xref: /linux/drivers/gpu/drm/radeon/si.c (revision 110e6f26af80dfd90b6e5c645b1aed7228aa580d)
1 /*
2  * Copyright 2011 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: Alex Deucher
23  */
24 #include <linux/firmware.h>
25 #include <linux/slab.h>
26 #include <linux/module.h>
27 #include <drm/drmP.h>
28 #include "radeon.h"
29 #include "radeon_asic.h"
30 #include "radeon_audio.h"
31 #include <drm/radeon_drm.h>
32 #include "sid.h"
33 #include "atom.h"
34 #include "si_blit_shaders.h"
35 #include "clearstate_si.h"
36 #include "radeon_ucode.h"
37 
38 
39 MODULE_FIRMWARE("radeon/TAHITI_pfp.bin");
40 MODULE_FIRMWARE("radeon/TAHITI_me.bin");
41 MODULE_FIRMWARE("radeon/TAHITI_ce.bin");
42 MODULE_FIRMWARE("radeon/TAHITI_mc.bin");
43 MODULE_FIRMWARE("radeon/TAHITI_mc2.bin");
44 MODULE_FIRMWARE("radeon/TAHITI_rlc.bin");
45 MODULE_FIRMWARE("radeon/TAHITI_smc.bin");
46 
47 MODULE_FIRMWARE("radeon/tahiti_pfp.bin");
48 MODULE_FIRMWARE("radeon/tahiti_me.bin");
49 MODULE_FIRMWARE("radeon/tahiti_ce.bin");
50 MODULE_FIRMWARE("radeon/tahiti_mc.bin");
51 MODULE_FIRMWARE("radeon/tahiti_rlc.bin");
52 MODULE_FIRMWARE("radeon/tahiti_smc.bin");
53 
54 MODULE_FIRMWARE("radeon/PITCAIRN_pfp.bin");
55 MODULE_FIRMWARE("radeon/PITCAIRN_me.bin");
56 MODULE_FIRMWARE("radeon/PITCAIRN_ce.bin");
57 MODULE_FIRMWARE("radeon/PITCAIRN_mc.bin");
58 MODULE_FIRMWARE("radeon/PITCAIRN_mc2.bin");
59 MODULE_FIRMWARE("radeon/PITCAIRN_rlc.bin");
60 MODULE_FIRMWARE("radeon/PITCAIRN_smc.bin");
61 
62 MODULE_FIRMWARE("radeon/pitcairn_pfp.bin");
63 MODULE_FIRMWARE("radeon/pitcairn_me.bin");
64 MODULE_FIRMWARE("radeon/pitcairn_ce.bin");
65 MODULE_FIRMWARE("radeon/pitcairn_mc.bin");
66 MODULE_FIRMWARE("radeon/pitcairn_rlc.bin");
67 MODULE_FIRMWARE("radeon/pitcairn_smc.bin");
68 
69 MODULE_FIRMWARE("radeon/VERDE_pfp.bin");
70 MODULE_FIRMWARE("radeon/VERDE_me.bin");
71 MODULE_FIRMWARE("radeon/VERDE_ce.bin");
72 MODULE_FIRMWARE("radeon/VERDE_mc.bin");
73 MODULE_FIRMWARE("radeon/VERDE_mc2.bin");
74 MODULE_FIRMWARE("radeon/VERDE_rlc.bin");
75 MODULE_FIRMWARE("radeon/VERDE_smc.bin");
76 
77 MODULE_FIRMWARE("radeon/verde_pfp.bin");
78 MODULE_FIRMWARE("radeon/verde_me.bin");
79 MODULE_FIRMWARE("radeon/verde_ce.bin");
80 MODULE_FIRMWARE("radeon/verde_mc.bin");
81 MODULE_FIRMWARE("radeon/verde_rlc.bin");
82 MODULE_FIRMWARE("radeon/verde_smc.bin");
83 
84 MODULE_FIRMWARE("radeon/OLAND_pfp.bin");
85 MODULE_FIRMWARE("radeon/OLAND_me.bin");
86 MODULE_FIRMWARE("radeon/OLAND_ce.bin");
87 MODULE_FIRMWARE("radeon/OLAND_mc.bin");
88 MODULE_FIRMWARE("radeon/OLAND_mc2.bin");
89 MODULE_FIRMWARE("radeon/OLAND_rlc.bin");
90 MODULE_FIRMWARE("radeon/OLAND_smc.bin");
91 
92 MODULE_FIRMWARE("radeon/oland_pfp.bin");
93 MODULE_FIRMWARE("radeon/oland_me.bin");
94 MODULE_FIRMWARE("radeon/oland_ce.bin");
95 MODULE_FIRMWARE("radeon/oland_mc.bin");
96 MODULE_FIRMWARE("radeon/oland_rlc.bin");
97 MODULE_FIRMWARE("radeon/oland_smc.bin");
98 
99 MODULE_FIRMWARE("radeon/HAINAN_pfp.bin");
100 MODULE_FIRMWARE("radeon/HAINAN_me.bin");
101 MODULE_FIRMWARE("radeon/HAINAN_ce.bin");
102 MODULE_FIRMWARE("radeon/HAINAN_mc.bin");
103 MODULE_FIRMWARE("radeon/HAINAN_mc2.bin");
104 MODULE_FIRMWARE("radeon/HAINAN_rlc.bin");
105 MODULE_FIRMWARE("radeon/HAINAN_smc.bin");
106 
107 MODULE_FIRMWARE("radeon/hainan_pfp.bin");
108 MODULE_FIRMWARE("radeon/hainan_me.bin");
109 MODULE_FIRMWARE("radeon/hainan_ce.bin");
110 MODULE_FIRMWARE("radeon/hainan_mc.bin");
111 MODULE_FIRMWARE("radeon/hainan_rlc.bin");
112 MODULE_FIRMWARE("radeon/hainan_smc.bin");
113 
114 static u32 si_get_cu_active_bitmap(struct radeon_device *rdev, u32 se, u32 sh);
115 static void si_pcie_gen3_enable(struct radeon_device *rdev);
116 static void si_program_aspm(struct radeon_device *rdev);
117 extern void sumo_rlc_fini(struct radeon_device *rdev);
118 extern int sumo_rlc_init(struct radeon_device *rdev);
119 extern int r600_ih_ring_alloc(struct radeon_device *rdev);
120 extern void r600_ih_ring_fini(struct radeon_device *rdev);
121 extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
122 extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);
123 extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);
124 extern u32 evergreen_get_number_of_dram_channels(struct radeon_device *rdev);
125 extern void evergreen_print_gpu_status_regs(struct radeon_device *rdev);
126 extern bool evergreen_is_display_hung(struct radeon_device *rdev);
127 static void si_enable_gui_idle_interrupt(struct radeon_device *rdev,
128 					 bool enable);
129 static void si_init_pg(struct radeon_device *rdev);
130 static void si_init_cg(struct radeon_device *rdev);
131 static void si_fini_pg(struct radeon_device *rdev);
132 static void si_fini_cg(struct radeon_device *rdev);
133 static void si_rlc_stop(struct radeon_device *rdev);
134 
135 static const u32 verde_rlc_save_restore_register_list[] =
136 {
137 	(0x8000 << 16) | (0x98f4 >> 2),
138 	0x00000000,
139 	(0x8040 << 16) | (0x98f4 >> 2),
140 	0x00000000,
141 	(0x8000 << 16) | (0xe80 >> 2),
142 	0x00000000,
143 	(0x8040 << 16) | (0xe80 >> 2),
144 	0x00000000,
145 	(0x8000 << 16) | (0x89bc >> 2),
146 	0x00000000,
147 	(0x8040 << 16) | (0x89bc >> 2),
148 	0x00000000,
149 	(0x8000 << 16) | (0x8c1c >> 2),
150 	0x00000000,
151 	(0x8040 << 16) | (0x8c1c >> 2),
152 	0x00000000,
153 	(0x9c00 << 16) | (0x98f0 >> 2),
154 	0x00000000,
155 	(0x9c00 << 16) | (0xe7c >> 2),
156 	0x00000000,
157 	(0x8000 << 16) | (0x9148 >> 2),
158 	0x00000000,
159 	(0x8040 << 16) | (0x9148 >> 2),
160 	0x00000000,
161 	(0x9c00 << 16) | (0x9150 >> 2),
162 	0x00000000,
163 	(0x9c00 << 16) | (0x897c >> 2),
164 	0x00000000,
165 	(0x9c00 << 16) | (0x8d8c >> 2),
166 	0x00000000,
167 	(0x9c00 << 16) | (0xac54 >> 2),
168 	0X00000000,
169 	0x3,
170 	(0x9c00 << 16) | (0x98f8 >> 2),
171 	0x00000000,
172 	(0x9c00 << 16) | (0x9910 >> 2),
173 	0x00000000,
174 	(0x9c00 << 16) | (0x9914 >> 2),
175 	0x00000000,
176 	(0x9c00 << 16) | (0x9918 >> 2),
177 	0x00000000,
178 	(0x9c00 << 16) | (0x991c >> 2),
179 	0x00000000,
180 	(0x9c00 << 16) | (0x9920 >> 2),
181 	0x00000000,
182 	(0x9c00 << 16) | (0x9924 >> 2),
183 	0x00000000,
184 	(0x9c00 << 16) | (0x9928 >> 2),
185 	0x00000000,
186 	(0x9c00 << 16) | (0x992c >> 2),
187 	0x00000000,
188 	(0x9c00 << 16) | (0x9930 >> 2),
189 	0x00000000,
190 	(0x9c00 << 16) | (0x9934 >> 2),
191 	0x00000000,
192 	(0x9c00 << 16) | (0x9938 >> 2),
193 	0x00000000,
194 	(0x9c00 << 16) | (0x993c >> 2),
195 	0x00000000,
196 	(0x9c00 << 16) | (0x9940 >> 2),
197 	0x00000000,
198 	(0x9c00 << 16) | (0x9944 >> 2),
199 	0x00000000,
200 	(0x9c00 << 16) | (0x9948 >> 2),
201 	0x00000000,
202 	(0x9c00 << 16) | (0x994c >> 2),
203 	0x00000000,
204 	(0x9c00 << 16) | (0x9950 >> 2),
205 	0x00000000,
206 	(0x9c00 << 16) | (0x9954 >> 2),
207 	0x00000000,
208 	(0x9c00 << 16) | (0x9958 >> 2),
209 	0x00000000,
210 	(0x9c00 << 16) | (0x995c >> 2),
211 	0x00000000,
212 	(0x9c00 << 16) | (0x9960 >> 2),
213 	0x00000000,
214 	(0x9c00 << 16) | (0x9964 >> 2),
215 	0x00000000,
216 	(0x9c00 << 16) | (0x9968 >> 2),
217 	0x00000000,
218 	(0x9c00 << 16) | (0x996c >> 2),
219 	0x00000000,
220 	(0x9c00 << 16) | (0x9970 >> 2),
221 	0x00000000,
222 	(0x9c00 << 16) | (0x9974 >> 2),
223 	0x00000000,
224 	(0x9c00 << 16) | (0x9978 >> 2),
225 	0x00000000,
226 	(0x9c00 << 16) | (0x997c >> 2),
227 	0x00000000,
228 	(0x9c00 << 16) | (0x9980 >> 2),
229 	0x00000000,
230 	(0x9c00 << 16) | (0x9984 >> 2),
231 	0x00000000,
232 	(0x9c00 << 16) | (0x9988 >> 2),
233 	0x00000000,
234 	(0x9c00 << 16) | (0x998c >> 2),
235 	0x00000000,
236 	(0x9c00 << 16) | (0x8c00 >> 2),
237 	0x00000000,
238 	(0x9c00 << 16) | (0x8c14 >> 2),
239 	0x00000000,
240 	(0x9c00 << 16) | (0x8c04 >> 2),
241 	0x00000000,
242 	(0x9c00 << 16) | (0x8c08 >> 2),
243 	0x00000000,
244 	(0x8000 << 16) | (0x9b7c >> 2),
245 	0x00000000,
246 	(0x8040 << 16) | (0x9b7c >> 2),
247 	0x00000000,
248 	(0x8000 << 16) | (0xe84 >> 2),
249 	0x00000000,
250 	(0x8040 << 16) | (0xe84 >> 2),
251 	0x00000000,
252 	(0x8000 << 16) | (0x89c0 >> 2),
253 	0x00000000,
254 	(0x8040 << 16) | (0x89c0 >> 2),
255 	0x00000000,
256 	(0x8000 << 16) | (0x914c >> 2),
257 	0x00000000,
258 	(0x8040 << 16) | (0x914c >> 2),
259 	0x00000000,
260 	(0x8000 << 16) | (0x8c20 >> 2),
261 	0x00000000,
262 	(0x8040 << 16) | (0x8c20 >> 2),
263 	0x00000000,
264 	(0x8000 << 16) | (0x9354 >> 2),
265 	0x00000000,
266 	(0x8040 << 16) | (0x9354 >> 2),
267 	0x00000000,
268 	(0x9c00 << 16) | (0x9060 >> 2),
269 	0x00000000,
270 	(0x9c00 << 16) | (0x9364 >> 2),
271 	0x00000000,
272 	(0x9c00 << 16) | (0x9100 >> 2),
273 	0x00000000,
274 	(0x9c00 << 16) | (0x913c >> 2),
275 	0x00000000,
276 	(0x8000 << 16) | (0x90e0 >> 2),
277 	0x00000000,
278 	(0x8000 << 16) | (0x90e4 >> 2),
279 	0x00000000,
280 	(0x8000 << 16) | (0x90e8 >> 2),
281 	0x00000000,
282 	(0x8040 << 16) | (0x90e0 >> 2),
283 	0x00000000,
284 	(0x8040 << 16) | (0x90e4 >> 2),
285 	0x00000000,
286 	(0x8040 << 16) | (0x90e8 >> 2),
287 	0x00000000,
288 	(0x9c00 << 16) | (0x8bcc >> 2),
289 	0x00000000,
290 	(0x9c00 << 16) | (0x8b24 >> 2),
291 	0x00000000,
292 	(0x9c00 << 16) | (0x88c4 >> 2),
293 	0x00000000,
294 	(0x9c00 << 16) | (0x8e50 >> 2),
295 	0x00000000,
296 	(0x9c00 << 16) | (0x8c0c >> 2),
297 	0x00000000,
298 	(0x9c00 << 16) | (0x8e58 >> 2),
299 	0x00000000,
300 	(0x9c00 << 16) | (0x8e5c >> 2),
301 	0x00000000,
302 	(0x9c00 << 16) | (0x9508 >> 2),
303 	0x00000000,
304 	(0x9c00 << 16) | (0x950c >> 2),
305 	0x00000000,
306 	(0x9c00 << 16) | (0x9494 >> 2),
307 	0x00000000,
308 	(0x9c00 << 16) | (0xac0c >> 2),
309 	0x00000000,
310 	(0x9c00 << 16) | (0xac10 >> 2),
311 	0x00000000,
312 	(0x9c00 << 16) | (0xac14 >> 2),
313 	0x00000000,
314 	(0x9c00 << 16) | (0xae00 >> 2),
315 	0x00000000,
316 	(0x9c00 << 16) | (0xac08 >> 2),
317 	0x00000000,
318 	(0x9c00 << 16) | (0x88d4 >> 2),
319 	0x00000000,
320 	(0x9c00 << 16) | (0x88c8 >> 2),
321 	0x00000000,
322 	(0x9c00 << 16) | (0x88cc >> 2),
323 	0x00000000,
324 	(0x9c00 << 16) | (0x89b0 >> 2),
325 	0x00000000,
326 	(0x9c00 << 16) | (0x8b10 >> 2),
327 	0x00000000,
328 	(0x9c00 << 16) | (0x8a14 >> 2),
329 	0x00000000,
330 	(0x9c00 << 16) | (0x9830 >> 2),
331 	0x00000000,
332 	(0x9c00 << 16) | (0x9834 >> 2),
333 	0x00000000,
334 	(0x9c00 << 16) | (0x9838 >> 2),
335 	0x00000000,
336 	(0x9c00 << 16) | (0x9a10 >> 2),
337 	0x00000000,
338 	(0x8000 << 16) | (0x9870 >> 2),
339 	0x00000000,
340 	(0x8000 << 16) | (0x9874 >> 2),
341 	0x00000000,
342 	(0x8001 << 16) | (0x9870 >> 2),
343 	0x00000000,
344 	(0x8001 << 16) | (0x9874 >> 2),
345 	0x00000000,
346 	(0x8040 << 16) | (0x9870 >> 2),
347 	0x00000000,
348 	(0x8040 << 16) | (0x9874 >> 2),
349 	0x00000000,
350 	(0x8041 << 16) | (0x9870 >> 2),
351 	0x00000000,
352 	(0x8041 << 16) | (0x9874 >> 2),
353 	0x00000000,
354 	0x00000000
355 };
356 
357 static const u32 tahiti_golden_rlc_registers[] =
358 {
359 	0xc424, 0xffffffff, 0x00601005,
360 	0xc47c, 0xffffffff, 0x10104040,
361 	0xc488, 0xffffffff, 0x0100000a,
362 	0xc314, 0xffffffff, 0x00000800,
363 	0xc30c, 0xffffffff, 0x800000f4,
364 	0xf4a8, 0xffffffff, 0x00000000
365 };
366 
367 static const u32 tahiti_golden_registers[] =
368 {
369 	0x9a10, 0x00010000, 0x00018208,
370 	0x9830, 0xffffffff, 0x00000000,
371 	0x9834, 0xf00fffff, 0x00000400,
372 	0x9838, 0x0002021c, 0x00020200,
373 	0xc78, 0x00000080, 0x00000000,
374 	0xd030, 0x000300c0, 0x00800040,
375 	0xd830, 0x000300c0, 0x00800040,
376 	0x5bb0, 0x000000f0, 0x00000070,
377 	0x5bc0, 0x00200000, 0x50100000,
378 	0x7030, 0x31000311, 0x00000011,
379 	0x277c, 0x00000003, 0x000007ff,
380 	0x240c, 0x000007ff, 0x00000000,
381 	0x8a14, 0xf000001f, 0x00000007,
382 	0x8b24, 0xffffffff, 0x00ffffff,
383 	0x8b10, 0x0000ff0f, 0x00000000,
384 	0x28a4c, 0x07ffffff, 0x4e000000,
385 	0x28350, 0x3f3f3fff, 0x2a00126a,
386 	0x30, 0x000000ff, 0x0040,
387 	0x34, 0x00000040, 0x00004040,
388 	0x9100, 0x07ffffff, 0x03000000,
389 	0x8e88, 0x01ff1f3f, 0x00000000,
390 	0x8e84, 0x01ff1f3f, 0x00000000,
391 	0x9060, 0x0000007f, 0x00000020,
392 	0x9508, 0x00010000, 0x00010000,
393 	0xac14, 0x00000200, 0x000002fb,
394 	0xac10, 0xffffffff, 0x0000543b,
395 	0xac0c, 0xffffffff, 0xa9210876,
396 	0x88d0, 0xffffffff, 0x000fff40,
397 	0x88d4, 0x0000001f, 0x00000010,
398 	0x1410, 0x20000000, 0x20fffed8,
399 	0x15c0, 0x000c0fc0, 0x000c0400
400 };
401 
402 static const u32 tahiti_golden_registers2[] =
403 {
404 	0xc64, 0x00000001, 0x00000001
405 };
406 
407 static const u32 pitcairn_golden_rlc_registers[] =
408 {
409 	0xc424, 0xffffffff, 0x00601004,
410 	0xc47c, 0xffffffff, 0x10102020,
411 	0xc488, 0xffffffff, 0x01000020,
412 	0xc314, 0xffffffff, 0x00000800,
413 	0xc30c, 0xffffffff, 0x800000a4
414 };
415 
416 static const u32 pitcairn_golden_registers[] =
417 {
418 	0x9a10, 0x00010000, 0x00018208,
419 	0x9830, 0xffffffff, 0x00000000,
420 	0x9834, 0xf00fffff, 0x00000400,
421 	0x9838, 0x0002021c, 0x00020200,
422 	0xc78, 0x00000080, 0x00000000,
423 	0xd030, 0x000300c0, 0x00800040,
424 	0xd830, 0x000300c0, 0x00800040,
425 	0x5bb0, 0x000000f0, 0x00000070,
426 	0x5bc0, 0x00200000, 0x50100000,
427 	0x7030, 0x31000311, 0x00000011,
428 	0x2ae4, 0x00073ffe, 0x000022a2,
429 	0x240c, 0x000007ff, 0x00000000,
430 	0x8a14, 0xf000001f, 0x00000007,
431 	0x8b24, 0xffffffff, 0x00ffffff,
432 	0x8b10, 0x0000ff0f, 0x00000000,
433 	0x28a4c, 0x07ffffff, 0x4e000000,
434 	0x28350, 0x3f3f3fff, 0x2a00126a,
435 	0x30, 0x000000ff, 0x0040,
436 	0x34, 0x00000040, 0x00004040,
437 	0x9100, 0x07ffffff, 0x03000000,
438 	0x9060, 0x0000007f, 0x00000020,
439 	0x9508, 0x00010000, 0x00010000,
440 	0xac14, 0x000003ff, 0x000000f7,
441 	0xac10, 0xffffffff, 0x00000000,
442 	0xac0c, 0xffffffff, 0x32761054,
443 	0x88d4, 0x0000001f, 0x00000010,
444 	0x15c0, 0x000c0fc0, 0x000c0400
445 };
446 
447 static const u32 verde_golden_rlc_registers[] =
448 {
449 	0xc424, 0xffffffff, 0x033f1005,
450 	0xc47c, 0xffffffff, 0x10808020,
451 	0xc488, 0xffffffff, 0x00800008,
452 	0xc314, 0xffffffff, 0x00001000,
453 	0xc30c, 0xffffffff, 0x80010014
454 };
455 
456 static const u32 verde_golden_registers[] =
457 {
458 	0x9a10, 0x00010000, 0x00018208,
459 	0x9830, 0xffffffff, 0x00000000,
460 	0x9834, 0xf00fffff, 0x00000400,
461 	0x9838, 0x0002021c, 0x00020200,
462 	0xc78, 0x00000080, 0x00000000,
463 	0xd030, 0x000300c0, 0x00800040,
464 	0xd030, 0x000300c0, 0x00800040,
465 	0xd830, 0x000300c0, 0x00800040,
466 	0xd830, 0x000300c0, 0x00800040,
467 	0x5bb0, 0x000000f0, 0x00000070,
468 	0x5bc0, 0x00200000, 0x50100000,
469 	0x7030, 0x31000311, 0x00000011,
470 	0x2ae4, 0x00073ffe, 0x000022a2,
471 	0x2ae4, 0x00073ffe, 0x000022a2,
472 	0x2ae4, 0x00073ffe, 0x000022a2,
473 	0x240c, 0x000007ff, 0x00000000,
474 	0x240c, 0x000007ff, 0x00000000,
475 	0x240c, 0x000007ff, 0x00000000,
476 	0x8a14, 0xf000001f, 0x00000007,
477 	0x8a14, 0xf000001f, 0x00000007,
478 	0x8a14, 0xf000001f, 0x00000007,
479 	0x8b24, 0xffffffff, 0x00ffffff,
480 	0x8b10, 0x0000ff0f, 0x00000000,
481 	0x28a4c, 0x07ffffff, 0x4e000000,
482 	0x28350, 0x3f3f3fff, 0x0000124a,
483 	0x28350, 0x3f3f3fff, 0x0000124a,
484 	0x28350, 0x3f3f3fff, 0x0000124a,
485 	0x30, 0x000000ff, 0x0040,
486 	0x34, 0x00000040, 0x00004040,
487 	0x9100, 0x07ffffff, 0x03000000,
488 	0x9100, 0x07ffffff, 0x03000000,
489 	0x8e88, 0x01ff1f3f, 0x00000000,
490 	0x8e88, 0x01ff1f3f, 0x00000000,
491 	0x8e88, 0x01ff1f3f, 0x00000000,
492 	0x8e84, 0x01ff1f3f, 0x00000000,
493 	0x8e84, 0x01ff1f3f, 0x00000000,
494 	0x8e84, 0x01ff1f3f, 0x00000000,
495 	0x9060, 0x0000007f, 0x00000020,
496 	0x9508, 0x00010000, 0x00010000,
497 	0xac14, 0x000003ff, 0x00000003,
498 	0xac14, 0x000003ff, 0x00000003,
499 	0xac14, 0x000003ff, 0x00000003,
500 	0xac10, 0xffffffff, 0x00000000,
501 	0xac10, 0xffffffff, 0x00000000,
502 	0xac10, 0xffffffff, 0x00000000,
503 	0xac0c, 0xffffffff, 0x00001032,
504 	0xac0c, 0xffffffff, 0x00001032,
505 	0xac0c, 0xffffffff, 0x00001032,
506 	0x88d4, 0x0000001f, 0x00000010,
507 	0x88d4, 0x0000001f, 0x00000010,
508 	0x88d4, 0x0000001f, 0x00000010,
509 	0x15c0, 0x000c0fc0, 0x000c0400
510 };
511 
512 static const u32 oland_golden_rlc_registers[] =
513 {
514 	0xc424, 0xffffffff, 0x00601005,
515 	0xc47c, 0xffffffff, 0x10104040,
516 	0xc488, 0xffffffff, 0x0100000a,
517 	0xc314, 0xffffffff, 0x00000800,
518 	0xc30c, 0xffffffff, 0x800000f4
519 };
520 
521 static const u32 oland_golden_registers[] =
522 {
523 	0x9a10, 0x00010000, 0x00018208,
524 	0x9830, 0xffffffff, 0x00000000,
525 	0x9834, 0xf00fffff, 0x00000400,
526 	0x9838, 0x0002021c, 0x00020200,
527 	0xc78, 0x00000080, 0x00000000,
528 	0xd030, 0x000300c0, 0x00800040,
529 	0xd830, 0x000300c0, 0x00800040,
530 	0x5bb0, 0x000000f0, 0x00000070,
531 	0x5bc0, 0x00200000, 0x50100000,
532 	0x7030, 0x31000311, 0x00000011,
533 	0x2ae4, 0x00073ffe, 0x000022a2,
534 	0x240c, 0x000007ff, 0x00000000,
535 	0x8a14, 0xf000001f, 0x00000007,
536 	0x8b24, 0xffffffff, 0x00ffffff,
537 	0x8b10, 0x0000ff0f, 0x00000000,
538 	0x28a4c, 0x07ffffff, 0x4e000000,
539 	0x28350, 0x3f3f3fff, 0x00000082,
540 	0x30, 0x000000ff, 0x0040,
541 	0x34, 0x00000040, 0x00004040,
542 	0x9100, 0x07ffffff, 0x03000000,
543 	0x9060, 0x0000007f, 0x00000020,
544 	0x9508, 0x00010000, 0x00010000,
545 	0xac14, 0x000003ff, 0x000000f3,
546 	0xac10, 0xffffffff, 0x00000000,
547 	0xac0c, 0xffffffff, 0x00003210,
548 	0x88d4, 0x0000001f, 0x00000010,
549 	0x15c0, 0x000c0fc0, 0x000c0400
550 };
551 
552 static const u32 hainan_golden_registers[] =
553 {
554 	0x9a10, 0x00010000, 0x00018208,
555 	0x9830, 0xffffffff, 0x00000000,
556 	0x9834, 0xf00fffff, 0x00000400,
557 	0x9838, 0x0002021c, 0x00020200,
558 	0xd0c0, 0xff000fff, 0x00000100,
559 	0xd030, 0x000300c0, 0x00800040,
560 	0xd8c0, 0xff000fff, 0x00000100,
561 	0xd830, 0x000300c0, 0x00800040,
562 	0x2ae4, 0x00073ffe, 0x000022a2,
563 	0x240c, 0x000007ff, 0x00000000,
564 	0x8a14, 0xf000001f, 0x00000007,
565 	0x8b24, 0xffffffff, 0x00ffffff,
566 	0x8b10, 0x0000ff0f, 0x00000000,
567 	0x28a4c, 0x07ffffff, 0x4e000000,
568 	0x28350, 0x3f3f3fff, 0x00000000,
569 	0x30, 0x000000ff, 0x0040,
570 	0x34, 0x00000040, 0x00004040,
571 	0x9100, 0x03e00000, 0x03600000,
572 	0x9060, 0x0000007f, 0x00000020,
573 	0x9508, 0x00010000, 0x00010000,
574 	0xac14, 0x000003ff, 0x000000f1,
575 	0xac10, 0xffffffff, 0x00000000,
576 	0xac0c, 0xffffffff, 0x00003210,
577 	0x88d4, 0x0000001f, 0x00000010,
578 	0x15c0, 0x000c0fc0, 0x000c0400
579 };
580 
581 static const u32 hainan_golden_registers2[] =
582 {
583 	0x98f8, 0xffffffff, 0x02010001
584 };
585 
586 static const u32 tahiti_mgcg_cgcg_init[] =
587 {
588 	0xc400, 0xffffffff, 0xfffffffc,
589 	0x802c, 0xffffffff, 0xe0000000,
590 	0x9a60, 0xffffffff, 0x00000100,
591 	0x92a4, 0xffffffff, 0x00000100,
592 	0xc164, 0xffffffff, 0x00000100,
593 	0x9774, 0xffffffff, 0x00000100,
594 	0x8984, 0xffffffff, 0x06000100,
595 	0x8a18, 0xffffffff, 0x00000100,
596 	0x92a0, 0xffffffff, 0x00000100,
597 	0xc380, 0xffffffff, 0x00000100,
598 	0x8b28, 0xffffffff, 0x00000100,
599 	0x9144, 0xffffffff, 0x00000100,
600 	0x8d88, 0xffffffff, 0x00000100,
601 	0x8d8c, 0xffffffff, 0x00000100,
602 	0x9030, 0xffffffff, 0x00000100,
603 	0x9034, 0xffffffff, 0x00000100,
604 	0x9038, 0xffffffff, 0x00000100,
605 	0x903c, 0xffffffff, 0x00000100,
606 	0xad80, 0xffffffff, 0x00000100,
607 	0xac54, 0xffffffff, 0x00000100,
608 	0x897c, 0xffffffff, 0x06000100,
609 	0x9868, 0xffffffff, 0x00000100,
610 	0x9510, 0xffffffff, 0x00000100,
611 	0xaf04, 0xffffffff, 0x00000100,
612 	0xae04, 0xffffffff, 0x00000100,
613 	0x949c, 0xffffffff, 0x00000100,
614 	0x802c, 0xffffffff, 0xe0000000,
615 	0x9160, 0xffffffff, 0x00010000,
616 	0x9164, 0xffffffff, 0x00030002,
617 	0x9168, 0xffffffff, 0x00040007,
618 	0x916c, 0xffffffff, 0x00060005,
619 	0x9170, 0xffffffff, 0x00090008,
620 	0x9174, 0xffffffff, 0x00020001,
621 	0x9178, 0xffffffff, 0x00040003,
622 	0x917c, 0xffffffff, 0x00000007,
623 	0x9180, 0xffffffff, 0x00060005,
624 	0x9184, 0xffffffff, 0x00090008,
625 	0x9188, 0xffffffff, 0x00030002,
626 	0x918c, 0xffffffff, 0x00050004,
627 	0x9190, 0xffffffff, 0x00000008,
628 	0x9194, 0xffffffff, 0x00070006,
629 	0x9198, 0xffffffff, 0x000a0009,
630 	0x919c, 0xffffffff, 0x00040003,
631 	0x91a0, 0xffffffff, 0x00060005,
632 	0x91a4, 0xffffffff, 0x00000009,
633 	0x91a8, 0xffffffff, 0x00080007,
634 	0x91ac, 0xffffffff, 0x000b000a,
635 	0x91b0, 0xffffffff, 0x00050004,
636 	0x91b4, 0xffffffff, 0x00070006,
637 	0x91b8, 0xffffffff, 0x0008000b,
638 	0x91bc, 0xffffffff, 0x000a0009,
639 	0x91c0, 0xffffffff, 0x000d000c,
640 	0x91c4, 0xffffffff, 0x00060005,
641 	0x91c8, 0xffffffff, 0x00080007,
642 	0x91cc, 0xffffffff, 0x0000000b,
643 	0x91d0, 0xffffffff, 0x000a0009,
644 	0x91d4, 0xffffffff, 0x000d000c,
645 	0x91d8, 0xffffffff, 0x00070006,
646 	0x91dc, 0xffffffff, 0x00090008,
647 	0x91e0, 0xffffffff, 0x0000000c,
648 	0x91e4, 0xffffffff, 0x000b000a,
649 	0x91e8, 0xffffffff, 0x000e000d,
650 	0x91ec, 0xffffffff, 0x00080007,
651 	0x91f0, 0xffffffff, 0x000a0009,
652 	0x91f4, 0xffffffff, 0x0000000d,
653 	0x91f8, 0xffffffff, 0x000c000b,
654 	0x91fc, 0xffffffff, 0x000f000e,
655 	0x9200, 0xffffffff, 0x00090008,
656 	0x9204, 0xffffffff, 0x000b000a,
657 	0x9208, 0xffffffff, 0x000c000f,
658 	0x920c, 0xffffffff, 0x000e000d,
659 	0x9210, 0xffffffff, 0x00110010,
660 	0x9214, 0xffffffff, 0x000a0009,
661 	0x9218, 0xffffffff, 0x000c000b,
662 	0x921c, 0xffffffff, 0x0000000f,
663 	0x9220, 0xffffffff, 0x000e000d,
664 	0x9224, 0xffffffff, 0x00110010,
665 	0x9228, 0xffffffff, 0x000b000a,
666 	0x922c, 0xffffffff, 0x000d000c,
667 	0x9230, 0xffffffff, 0x00000010,
668 	0x9234, 0xffffffff, 0x000f000e,
669 	0x9238, 0xffffffff, 0x00120011,
670 	0x923c, 0xffffffff, 0x000c000b,
671 	0x9240, 0xffffffff, 0x000e000d,
672 	0x9244, 0xffffffff, 0x00000011,
673 	0x9248, 0xffffffff, 0x0010000f,
674 	0x924c, 0xffffffff, 0x00130012,
675 	0x9250, 0xffffffff, 0x000d000c,
676 	0x9254, 0xffffffff, 0x000f000e,
677 	0x9258, 0xffffffff, 0x00100013,
678 	0x925c, 0xffffffff, 0x00120011,
679 	0x9260, 0xffffffff, 0x00150014,
680 	0x9264, 0xffffffff, 0x000e000d,
681 	0x9268, 0xffffffff, 0x0010000f,
682 	0x926c, 0xffffffff, 0x00000013,
683 	0x9270, 0xffffffff, 0x00120011,
684 	0x9274, 0xffffffff, 0x00150014,
685 	0x9278, 0xffffffff, 0x000f000e,
686 	0x927c, 0xffffffff, 0x00110010,
687 	0x9280, 0xffffffff, 0x00000014,
688 	0x9284, 0xffffffff, 0x00130012,
689 	0x9288, 0xffffffff, 0x00160015,
690 	0x928c, 0xffffffff, 0x0010000f,
691 	0x9290, 0xffffffff, 0x00120011,
692 	0x9294, 0xffffffff, 0x00000015,
693 	0x9298, 0xffffffff, 0x00140013,
694 	0x929c, 0xffffffff, 0x00170016,
695 	0x9150, 0xffffffff, 0x96940200,
696 	0x8708, 0xffffffff, 0x00900100,
697 	0xc478, 0xffffffff, 0x00000080,
698 	0xc404, 0xffffffff, 0x0020003f,
699 	0x30, 0xffffffff, 0x0000001c,
700 	0x34, 0x000f0000, 0x000f0000,
701 	0x160c, 0xffffffff, 0x00000100,
702 	0x1024, 0xffffffff, 0x00000100,
703 	0x102c, 0x00000101, 0x00000000,
704 	0x20a8, 0xffffffff, 0x00000104,
705 	0x264c, 0x000c0000, 0x000c0000,
706 	0x2648, 0x000c0000, 0x000c0000,
707 	0x55e4, 0xff000fff, 0x00000100,
708 	0x55e8, 0x00000001, 0x00000001,
709 	0x2f50, 0x00000001, 0x00000001,
710 	0x30cc, 0xc0000fff, 0x00000104,
711 	0xc1e4, 0x00000001, 0x00000001,
712 	0xd0c0, 0xfffffff0, 0x00000100,
713 	0xd8c0, 0xfffffff0, 0x00000100
714 };
715 
716 static const u32 pitcairn_mgcg_cgcg_init[] =
717 {
718 	0xc400, 0xffffffff, 0xfffffffc,
719 	0x802c, 0xffffffff, 0xe0000000,
720 	0x9a60, 0xffffffff, 0x00000100,
721 	0x92a4, 0xffffffff, 0x00000100,
722 	0xc164, 0xffffffff, 0x00000100,
723 	0x9774, 0xffffffff, 0x00000100,
724 	0x8984, 0xffffffff, 0x06000100,
725 	0x8a18, 0xffffffff, 0x00000100,
726 	0x92a0, 0xffffffff, 0x00000100,
727 	0xc380, 0xffffffff, 0x00000100,
728 	0x8b28, 0xffffffff, 0x00000100,
729 	0x9144, 0xffffffff, 0x00000100,
730 	0x8d88, 0xffffffff, 0x00000100,
731 	0x8d8c, 0xffffffff, 0x00000100,
732 	0x9030, 0xffffffff, 0x00000100,
733 	0x9034, 0xffffffff, 0x00000100,
734 	0x9038, 0xffffffff, 0x00000100,
735 	0x903c, 0xffffffff, 0x00000100,
736 	0xad80, 0xffffffff, 0x00000100,
737 	0xac54, 0xffffffff, 0x00000100,
738 	0x897c, 0xffffffff, 0x06000100,
739 	0x9868, 0xffffffff, 0x00000100,
740 	0x9510, 0xffffffff, 0x00000100,
741 	0xaf04, 0xffffffff, 0x00000100,
742 	0xae04, 0xffffffff, 0x00000100,
743 	0x949c, 0xffffffff, 0x00000100,
744 	0x802c, 0xffffffff, 0xe0000000,
745 	0x9160, 0xffffffff, 0x00010000,
746 	0x9164, 0xffffffff, 0x00030002,
747 	0x9168, 0xffffffff, 0x00040007,
748 	0x916c, 0xffffffff, 0x00060005,
749 	0x9170, 0xffffffff, 0x00090008,
750 	0x9174, 0xffffffff, 0x00020001,
751 	0x9178, 0xffffffff, 0x00040003,
752 	0x917c, 0xffffffff, 0x00000007,
753 	0x9180, 0xffffffff, 0x00060005,
754 	0x9184, 0xffffffff, 0x00090008,
755 	0x9188, 0xffffffff, 0x00030002,
756 	0x918c, 0xffffffff, 0x00050004,
757 	0x9190, 0xffffffff, 0x00000008,
758 	0x9194, 0xffffffff, 0x00070006,
759 	0x9198, 0xffffffff, 0x000a0009,
760 	0x919c, 0xffffffff, 0x00040003,
761 	0x91a0, 0xffffffff, 0x00060005,
762 	0x91a4, 0xffffffff, 0x00000009,
763 	0x91a8, 0xffffffff, 0x00080007,
764 	0x91ac, 0xffffffff, 0x000b000a,
765 	0x91b0, 0xffffffff, 0x00050004,
766 	0x91b4, 0xffffffff, 0x00070006,
767 	0x91b8, 0xffffffff, 0x0008000b,
768 	0x91bc, 0xffffffff, 0x000a0009,
769 	0x91c0, 0xffffffff, 0x000d000c,
770 	0x9200, 0xffffffff, 0x00090008,
771 	0x9204, 0xffffffff, 0x000b000a,
772 	0x9208, 0xffffffff, 0x000c000f,
773 	0x920c, 0xffffffff, 0x000e000d,
774 	0x9210, 0xffffffff, 0x00110010,
775 	0x9214, 0xffffffff, 0x000a0009,
776 	0x9218, 0xffffffff, 0x000c000b,
777 	0x921c, 0xffffffff, 0x0000000f,
778 	0x9220, 0xffffffff, 0x000e000d,
779 	0x9224, 0xffffffff, 0x00110010,
780 	0x9228, 0xffffffff, 0x000b000a,
781 	0x922c, 0xffffffff, 0x000d000c,
782 	0x9230, 0xffffffff, 0x00000010,
783 	0x9234, 0xffffffff, 0x000f000e,
784 	0x9238, 0xffffffff, 0x00120011,
785 	0x923c, 0xffffffff, 0x000c000b,
786 	0x9240, 0xffffffff, 0x000e000d,
787 	0x9244, 0xffffffff, 0x00000011,
788 	0x9248, 0xffffffff, 0x0010000f,
789 	0x924c, 0xffffffff, 0x00130012,
790 	0x9250, 0xffffffff, 0x000d000c,
791 	0x9254, 0xffffffff, 0x000f000e,
792 	0x9258, 0xffffffff, 0x00100013,
793 	0x925c, 0xffffffff, 0x00120011,
794 	0x9260, 0xffffffff, 0x00150014,
795 	0x9150, 0xffffffff, 0x96940200,
796 	0x8708, 0xffffffff, 0x00900100,
797 	0xc478, 0xffffffff, 0x00000080,
798 	0xc404, 0xffffffff, 0x0020003f,
799 	0x30, 0xffffffff, 0x0000001c,
800 	0x34, 0x000f0000, 0x000f0000,
801 	0x160c, 0xffffffff, 0x00000100,
802 	0x1024, 0xffffffff, 0x00000100,
803 	0x102c, 0x00000101, 0x00000000,
804 	0x20a8, 0xffffffff, 0x00000104,
805 	0x55e4, 0xff000fff, 0x00000100,
806 	0x55e8, 0x00000001, 0x00000001,
807 	0x2f50, 0x00000001, 0x00000001,
808 	0x30cc, 0xc0000fff, 0x00000104,
809 	0xc1e4, 0x00000001, 0x00000001,
810 	0xd0c0, 0xfffffff0, 0x00000100,
811 	0xd8c0, 0xfffffff0, 0x00000100
812 };
813 
814 static const u32 verde_mgcg_cgcg_init[] =
815 {
816 	0xc400, 0xffffffff, 0xfffffffc,
817 	0x802c, 0xffffffff, 0xe0000000,
818 	0x9a60, 0xffffffff, 0x00000100,
819 	0x92a4, 0xffffffff, 0x00000100,
820 	0xc164, 0xffffffff, 0x00000100,
821 	0x9774, 0xffffffff, 0x00000100,
822 	0x8984, 0xffffffff, 0x06000100,
823 	0x8a18, 0xffffffff, 0x00000100,
824 	0x92a0, 0xffffffff, 0x00000100,
825 	0xc380, 0xffffffff, 0x00000100,
826 	0x8b28, 0xffffffff, 0x00000100,
827 	0x9144, 0xffffffff, 0x00000100,
828 	0x8d88, 0xffffffff, 0x00000100,
829 	0x8d8c, 0xffffffff, 0x00000100,
830 	0x9030, 0xffffffff, 0x00000100,
831 	0x9034, 0xffffffff, 0x00000100,
832 	0x9038, 0xffffffff, 0x00000100,
833 	0x903c, 0xffffffff, 0x00000100,
834 	0xad80, 0xffffffff, 0x00000100,
835 	0xac54, 0xffffffff, 0x00000100,
836 	0x897c, 0xffffffff, 0x06000100,
837 	0x9868, 0xffffffff, 0x00000100,
838 	0x9510, 0xffffffff, 0x00000100,
839 	0xaf04, 0xffffffff, 0x00000100,
840 	0xae04, 0xffffffff, 0x00000100,
841 	0x949c, 0xffffffff, 0x00000100,
842 	0x802c, 0xffffffff, 0xe0000000,
843 	0x9160, 0xffffffff, 0x00010000,
844 	0x9164, 0xffffffff, 0x00030002,
845 	0x9168, 0xffffffff, 0x00040007,
846 	0x916c, 0xffffffff, 0x00060005,
847 	0x9170, 0xffffffff, 0x00090008,
848 	0x9174, 0xffffffff, 0x00020001,
849 	0x9178, 0xffffffff, 0x00040003,
850 	0x917c, 0xffffffff, 0x00000007,
851 	0x9180, 0xffffffff, 0x00060005,
852 	0x9184, 0xffffffff, 0x00090008,
853 	0x9188, 0xffffffff, 0x00030002,
854 	0x918c, 0xffffffff, 0x00050004,
855 	0x9190, 0xffffffff, 0x00000008,
856 	0x9194, 0xffffffff, 0x00070006,
857 	0x9198, 0xffffffff, 0x000a0009,
858 	0x919c, 0xffffffff, 0x00040003,
859 	0x91a0, 0xffffffff, 0x00060005,
860 	0x91a4, 0xffffffff, 0x00000009,
861 	0x91a8, 0xffffffff, 0x00080007,
862 	0x91ac, 0xffffffff, 0x000b000a,
863 	0x91b0, 0xffffffff, 0x00050004,
864 	0x91b4, 0xffffffff, 0x00070006,
865 	0x91b8, 0xffffffff, 0x0008000b,
866 	0x91bc, 0xffffffff, 0x000a0009,
867 	0x91c0, 0xffffffff, 0x000d000c,
868 	0x9200, 0xffffffff, 0x00090008,
869 	0x9204, 0xffffffff, 0x000b000a,
870 	0x9208, 0xffffffff, 0x000c000f,
871 	0x920c, 0xffffffff, 0x000e000d,
872 	0x9210, 0xffffffff, 0x00110010,
873 	0x9214, 0xffffffff, 0x000a0009,
874 	0x9218, 0xffffffff, 0x000c000b,
875 	0x921c, 0xffffffff, 0x0000000f,
876 	0x9220, 0xffffffff, 0x000e000d,
877 	0x9224, 0xffffffff, 0x00110010,
878 	0x9228, 0xffffffff, 0x000b000a,
879 	0x922c, 0xffffffff, 0x000d000c,
880 	0x9230, 0xffffffff, 0x00000010,
881 	0x9234, 0xffffffff, 0x000f000e,
882 	0x9238, 0xffffffff, 0x00120011,
883 	0x923c, 0xffffffff, 0x000c000b,
884 	0x9240, 0xffffffff, 0x000e000d,
885 	0x9244, 0xffffffff, 0x00000011,
886 	0x9248, 0xffffffff, 0x0010000f,
887 	0x924c, 0xffffffff, 0x00130012,
888 	0x9250, 0xffffffff, 0x000d000c,
889 	0x9254, 0xffffffff, 0x000f000e,
890 	0x9258, 0xffffffff, 0x00100013,
891 	0x925c, 0xffffffff, 0x00120011,
892 	0x9260, 0xffffffff, 0x00150014,
893 	0x9150, 0xffffffff, 0x96940200,
894 	0x8708, 0xffffffff, 0x00900100,
895 	0xc478, 0xffffffff, 0x00000080,
896 	0xc404, 0xffffffff, 0x0020003f,
897 	0x30, 0xffffffff, 0x0000001c,
898 	0x34, 0x000f0000, 0x000f0000,
899 	0x160c, 0xffffffff, 0x00000100,
900 	0x1024, 0xffffffff, 0x00000100,
901 	0x102c, 0x00000101, 0x00000000,
902 	0x20a8, 0xffffffff, 0x00000104,
903 	0x264c, 0x000c0000, 0x000c0000,
904 	0x2648, 0x000c0000, 0x000c0000,
905 	0x55e4, 0xff000fff, 0x00000100,
906 	0x55e8, 0x00000001, 0x00000001,
907 	0x2f50, 0x00000001, 0x00000001,
908 	0x30cc, 0xc0000fff, 0x00000104,
909 	0xc1e4, 0x00000001, 0x00000001,
910 	0xd0c0, 0xfffffff0, 0x00000100,
911 	0xd8c0, 0xfffffff0, 0x00000100
912 };
913 
914 static const u32 oland_mgcg_cgcg_init[] =
915 {
916 	0xc400, 0xffffffff, 0xfffffffc,
917 	0x802c, 0xffffffff, 0xe0000000,
918 	0x9a60, 0xffffffff, 0x00000100,
919 	0x92a4, 0xffffffff, 0x00000100,
920 	0xc164, 0xffffffff, 0x00000100,
921 	0x9774, 0xffffffff, 0x00000100,
922 	0x8984, 0xffffffff, 0x06000100,
923 	0x8a18, 0xffffffff, 0x00000100,
924 	0x92a0, 0xffffffff, 0x00000100,
925 	0xc380, 0xffffffff, 0x00000100,
926 	0x8b28, 0xffffffff, 0x00000100,
927 	0x9144, 0xffffffff, 0x00000100,
928 	0x8d88, 0xffffffff, 0x00000100,
929 	0x8d8c, 0xffffffff, 0x00000100,
930 	0x9030, 0xffffffff, 0x00000100,
931 	0x9034, 0xffffffff, 0x00000100,
932 	0x9038, 0xffffffff, 0x00000100,
933 	0x903c, 0xffffffff, 0x00000100,
934 	0xad80, 0xffffffff, 0x00000100,
935 	0xac54, 0xffffffff, 0x00000100,
936 	0x897c, 0xffffffff, 0x06000100,
937 	0x9868, 0xffffffff, 0x00000100,
938 	0x9510, 0xffffffff, 0x00000100,
939 	0xaf04, 0xffffffff, 0x00000100,
940 	0xae04, 0xffffffff, 0x00000100,
941 	0x949c, 0xffffffff, 0x00000100,
942 	0x802c, 0xffffffff, 0xe0000000,
943 	0x9160, 0xffffffff, 0x00010000,
944 	0x9164, 0xffffffff, 0x00030002,
945 	0x9168, 0xffffffff, 0x00040007,
946 	0x916c, 0xffffffff, 0x00060005,
947 	0x9170, 0xffffffff, 0x00090008,
948 	0x9174, 0xffffffff, 0x00020001,
949 	0x9178, 0xffffffff, 0x00040003,
950 	0x917c, 0xffffffff, 0x00000007,
951 	0x9180, 0xffffffff, 0x00060005,
952 	0x9184, 0xffffffff, 0x00090008,
953 	0x9188, 0xffffffff, 0x00030002,
954 	0x918c, 0xffffffff, 0x00050004,
955 	0x9190, 0xffffffff, 0x00000008,
956 	0x9194, 0xffffffff, 0x00070006,
957 	0x9198, 0xffffffff, 0x000a0009,
958 	0x919c, 0xffffffff, 0x00040003,
959 	0x91a0, 0xffffffff, 0x00060005,
960 	0x91a4, 0xffffffff, 0x00000009,
961 	0x91a8, 0xffffffff, 0x00080007,
962 	0x91ac, 0xffffffff, 0x000b000a,
963 	0x91b0, 0xffffffff, 0x00050004,
964 	0x91b4, 0xffffffff, 0x00070006,
965 	0x91b8, 0xffffffff, 0x0008000b,
966 	0x91bc, 0xffffffff, 0x000a0009,
967 	0x91c0, 0xffffffff, 0x000d000c,
968 	0x91c4, 0xffffffff, 0x00060005,
969 	0x91c8, 0xffffffff, 0x00080007,
970 	0x91cc, 0xffffffff, 0x0000000b,
971 	0x91d0, 0xffffffff, 0x000a0009,
972 	0x91d4, 0xffffffff, 0x000d000c,
973 	0x9150, 0xffffffff, 0x96940200,
974 	0x8708, 0xffffffff, 0x00900100,
975 	0xc478, 0xffffffff, 0x00000080,
976 	0xc404, 0xffffffff, 0x0020003f,
977 	0x30, 0xffffffff, 0x0000001c,
978 	0x34, 0x000f0000, 0x000f0000,
979 	0x160c, 0xffffffff, 0x00000100,
980 	0x1024, 0xffffffff, 0x00000100,
981 	0x102c, 0x00000101, 0x00000000,
982 	0x20a8, 0xffffffff, 0x00000104,
983 	0x264c, 0x000c0000, 0x000c0000,
984 	0x2648, 0x000c0000, 0x000c0000,
985 	0x55e4, 0xff000fff, 0x00000100,
986 	0x55e8, 0x00000001, 0x00000001,
987 	0x2f50, 0x00000001, 0x00000001,
988 	0x30cc, 0xc0000fff, 0x00000104,
989 	0xc1e4, 0x00000001, 0x00000001,
990 	0xd0c0, 0xfffffff0, 0x00000100,
991 	0xd8c0, 0xfffffff0, 0x00000100
992 };
993 
994 static const u32 hainan_mgcg_cgcg_init[] =
995 {
996 	0xc400, 0xffffffff, 0xfffffffc,
997 	0x802c, 0xffffffff, 0xe0000000,
998 	0x9a60, 0xffffffff, 0x00000100,
999 	0x92a4, 0xffffffff, 0x00000100,
1000 	0xc164, 0xffffffff, 0x00000100,
1001 	0x9774, 0xffffffff, 0x00000100,
1002 	0x8984, 0xffffffff, 0x06000100,
1003 	0x8a18, 0xffffffff, 0x00000100,
1004 	0x92a0, 0xffffffff, 0x00000100,
1005 	0xc380, 0xffffffff, 0x00000100,
1006 	0x8b28, 0xffffffff, 0x00000100,
1007 	0x9144, 0xffffffff, 0x00000100,
1008 	0x8d88, 0xffffffff, 0x00000100,
1009 	0x8d8c, 0xffffffff, 0x00000100,
1010 	0x9030, 0xffffffff, 0x00000100,
1011 	0x9034, 0xffffffff, 0x00000100,
1012 	0x9038, 0xffffffff, 0x00000100,
1013 	0x903c, 0xffffffff, 0x00000100,
1014 	0xad80, 0xffffffff, 0x00000100,
1015 	0xac54, 0xffffffff, 0x00000100,
1016 	0x897c, 0xffffffff, 0x06000100,
1017 	0x9868, 0xffffffff, 0x00000100,
1018 	0x9510, 0xffffffff, 0x00000100,
1019 	0xaf04, 0xffffffff, 0x00000100,
1020 	0xae04, 0xffffffff, 0x00000100,
1021 	0x949c, 0xffffffff, 0x00000100,
1022 	0x802c, 0xffffffff, 0xe0000000,
1023 	0x9160, 0xffffffff, 0x00010000,
1024 	0x9164, 0xffffffff, 0x00030002,
1025 	0x9168, 0xffffffff, 0x00040007,
1026 	0x916c, 0xffffffff, 0x00060005,
1027 	0x9170, 0xffffffff, 0x00090008,
1028 	0x9174, 0xffffffff, 0x00020001,
1029 	0x9178, 0xffffffff, 0x00040003,
1030 	0x917c, 0xffffffff, 0x00000007,
1031 	0x9180, 0xffffffff, 0x00060005,
1032 	0x9184, 0xffffffff, 0x00090008,
1033 	0x9188, 0xffffffff, 0x00030002,
1034 	0x918c, 0xffffffff, 0x00050004,
1035 	0x9190, 0xffffffff, 0x00000008,
1036 	0x9194, 0xffffffff, 0x00070006,
1037 	0x9198, 0xffffffff, 0x000a0009,
1038 	0x919c, 0xffffffff, 0x00040003,
1039 	0x91a0, 0xffffffff, 0x00060005,
1040 	0x91a4, 0xffffffff, 0x00000009,
1041 	0x91a8, 0xffffffff, 0x00080007,
1042 	0x91ac, 0xffffffff, 0x000b000a,
1043 	0x91b0, 0xffffffff, 0x00050004,
1044 	0x91b4, 0xffffffff, 0x00070006,
1045 	0x91b8, 0xffffffff, 0x0008000b,
1046 	0x91bc, 0xffffffff, 0x000a0009,
1047 	0x91c0, 0xffffffff, 0x000d000c,
1048 	0x91c4, 0xffffffff, 0x00060005,
1049 	0x91c8, 0xffffffff, 0x00080007,
1050 	0x91cc, 0xffffffff, 0x0000000b,
1051 	0x91d0, 0xffffffff, 0x000a0009,
1052 	0x91d4, 0xffffffff, 0x000d000c,
1053 	0x9150, 0xffffffff, 0x96940200,
1054 	0x8708, 0xffffffff, 0x00900100,
1055 	0xc478, 0xffffffff, 0x00000080,
1056 	0xc404, 0xffffffff, 0x0020003f,
1057 	0x30, 0xffffffff, 0x0000001c,
1058 	0x34, 0x000f0000, 0x000f0000,
1059 	0x160c, 0xffffffff, 0x00000100,
1060 	0x1024, 0xffffffff, 0x00000100,
1061 	0x20a8, 0xffffffff, 0x00000104,
1062 	0x264c, 0x000c0000, 0x000c0000,
1063 	0x2648, 0x000c0000, 0x000c0000,
1064 	0x2f50, 0x00000001, 0x00000001,
1065 	0x30cc, 0xc0000fff, 0x00000104,
1066 	0xc1e4, 0x00000001, 0x00000001,
1067 	0xd0c0, 0xfffffff0, 0x00000100,
1068 	0xd8c0, 0xfffffff0, 0x00000100
1069 };
1070 
1071 static u32 verde_pg_init[] =
1072 {
1073 	0x353c, 0xffffffff, 0x40000,
1074 	0x3538, 0xffffffff, 0x200010ff,
1075 	0x353c, 0xffffffff, 0x0,
1076 	0x353c, 0xffffffff, 0x0,
1077 	0x353c, 0xffffffff, 0x0,
1078 	0x353c, 0xffffffff, 0x0,
1079 	0x353c, 0xffffffff, 0x0,
1080 	0x353c, 0xffffffff, 0x7007,
1081 	0x3538, 0xffffffff, 0x300010ff,
1082 	0x353c, 0xffffffff, 0x0,
1083 	0x353c, 0xffffffff, 0x0,
1084 	0x353c, 0xffffffff, 0x0,
1085 	0x353c, 0xffffffff, 0x0,
1086 	0x353c, 0xffffffff, 0x0,
1087 	0x353c, 0xffffffff, 0x400000,
1088 	0x3538, 0xffffffff, 0x100010ff,
1089 	0x353c, 0xffffffff, 0x0,
1090 	0x353c, 0xffffffff, 0x0,
1091 	0x353c, 0xffffffff, 0x0,
1092 	0x353c, 0xffffffff, 0x0,
1093 	0x353c, 0xffffffff, 0x0,
1094 	0x353c, 0xffffffff, 0x120200,
1095 	0x3538, 0xffffffff, 0x500010ff,
1096 	0x353c, 0xffffffff, 0x0,
1097 	0x353c, 0xffffffff, 0x0,
1098 	0x353c, 0xffffffff, 0x0,
1099 	0x353c, 0xffffffff, 0x0,
1100 	0x353c, 0xffffffff, 0x0,
1101 	0x353c, 0xffffffff, 0x1e1e16,
1102 	0x3538, 0xffffffff, 0x600010ff,
1103 	0x353c, 0xffffffff, 0x0,
1104 	0x353c, 0xffffffff, 0x0,
1105 	0x353c, 0xffffffff, 0x0,
1106 	0x353c, 0xffffffff, 0x0,
1107 	0x353c, 0xffffffff, 0x0,
1108 	0x353c, 0xffffffff, 0x171f1e,
1109 	0x3538, 0xffffffff, 0x700010ff,
1110 	0x353c, 0xffffffff, 0x0,
1111 	0x353c, 0xffffffff, 0x0,
1112 	0x353c, 0xffffffff, 0x0,
1113 	0x353c, 0xffffffff, 0x0,
1114 	0x353c, 0xffffffff, 0x0,
1115 	0x353c, 0xffffffff, 0x0,
1116 	0x3538, 0xffffffff, 0x9ff,
1117 	0x3500, 0xffffffff, 0x0,
1118 	0x3504, 0xffffffff, 0x10000800,
1119 	0x3504, 0xffffffff, 0xf,
1120 	0x3504, 0xffffffff, 0xf,
1121 	0x3500, 0xffffffff, 0x4,
1122 	0x3504, 0xffffffff, 0x1000051e,
1123 	0x3504, 0xffffffff, 0xffff,
1124 	0x3504, 0xffffffff, 0xffff,
1125 	0x3500, 0xffffffff, 0x8,
1126 	0x3504, 0xffffffff, 0x80500,
1127 	0x3500, 0xffffffff, 0x12,
1128 	0x3504, 0xffffffff, 0x9050c,
1129 	0x3500, 0xffffffff, 0x1d,
1130 	0x3504, 0xffffffff, 0xb052c,
1131 	0x3500, 0xffffffff, 0x2a,
1132 	0x3504, 0xffffffff, 0x1053e,
1133 	0x3500, 0xffffffff, 0x2d,
1134 	0x3504, 0xffffffff, 0x10546,
1135 	0x3500, 0xffffffff, 0x30,
1136 	0x3504, 0xffffffff, 0xa054e,
1137 	0x3500, 0xffffffff, 0x3c,
1138 	0x3504, 0xffffffff, 0x1055f,
1139 	0x3500, 0xffffffff, 0x3f,
1140 	0x3504, 0xffffffff, 0x10567,
1141 	0x3500, 0xffffffff, 0x42,
1142 	0x3504, 0xffffffff, 0x1056f,
1143 	0x3500, 0xffffffff, 0x45,
1144 	0x3504, 0xffffffff, 0x10572,
1145 	0x3500, 0xffffffff, 0x48,
1146 	0x3504, 0xffffffff, 0x20575,
1147 	0x3500, 0xffffffff, 0x4c,
1148 	0x3504, 0xffffffff, 0x190801,
1149 	0x3500, 0xffffffff, 0x67,
1150 	0x3504, 0xffffffff, 0x1082a,
1151 	0x3500, 0xffffffff, 0x6a,
1152 	0x3504, 0xffffffff, 0x1b082d,
1153 	0x3500, 0xffffffff, 0x87,
1154 	0x3504, 0xffffffff, 0x310851,
1155 	0x3500, 0xffffffff, 0xba,
1156 	0x3504, 0xffffffff, 0x891,
1157 	0x3500, 0xffffffff, 0xbc,
1158 	0x3504, 0xffffffff, 0x893,
1159 	0x3500, 0xffffffff, 0xbe,
1160 	0x3504, 0xffffffff, 0x20895,
1161 	0x3500, 0xffffffff, 0xc2,
1162 	0x3504, 0xffffffff, 0x20899,
1163 	0x3500, 0xffffffff, 0xc6,
1164 	0x3504, 0xffffffff, 0x2089d,
1165 	0x3500, 0xffffffff, 0xca,
1166 	0x3504, 0xffffffff, 0x8a1,
1167 	0x3500, 0xffffffff, 0xcc,
1168 	0x3504, 0xffffffff, 0x8a3,
1169 	0x3500, 0xffffffff, 0xce,
1170 	0x3504, 0xffffffff, 0x308a5,
1171 	0x3500, 0xffffffff, 0xd3,
1172 	0x3504, 0xffffffff, 0x6d08cd,
1173 	0x3500, 0xffffffff, 0x142,
1174 	0x3504, 0xffffffff, 0x2000095a,
1175 	0x3504, 0xffffffff, 0x1,
1176 	0x3500, 0xffffffff, 0x144,
1177 	0x3504, 0xffffffff, 0x301f095b,
1178 	0x3500, 0xffffffff, 0x165,
1179 	0x3504, 0xffffffff, 0xc094d,
1180 	0x3500, 0xffffffff, 0x173,
1181 	0x3504, 0xffffffff, 0xf096d,
1182 	0x3500, 0xffffffff, 0x184,
1183 	0x3504, 0xffffffff, 0x15097f,
1184 	0x3500, 0xffffffff, 0x19b,
1185 	0x3504, 0xffffffff, 0xc0998,
1186 	0x3500, 0xffffffff, 0x1a9,
1187 	0x3504, 0xffffffff, 0x409a7,
1188 	0x3500, 0xffffffff, 0x1af,
1189 	0x3504, 0xffffffff, 0xcdc,
1190 	0x3500, 0xffffffff, 0x1b1,
1191 	0x3504, 0xffffffff, 0x800,
1192 	0x3508, 0xffffffff, 0x6c9b2000,
1193 	0x3510, 0xfc00, 0x2000,
1194 	0x3544, 0xffffffff, 0xfc0,
1195 	0x28d4, 0x00000100, 0x100
1196 };
1197 
1198 static void si_init_golden_registers(struct radeon_device *rdev)
1199 {
1200 	switch (rdev->family) {
1201 	case CHIP_TAHITI:
1202 		radeon_program_register_sequence(rdev,
1203 						 tahiti_golden_registers,
1204 						 (const u32)ARRAY_SIZE(tahiti_golden_registers));
1205 		radeon_program_register_sequence(rdev,
1206 						 tahiti_golden_rlc_registers,
1207 						 (const u32)ARRAY_SIZE(tahiti_golden_rlc_registers));
1208 		radeon_program_register_sequence(rdev,
1209 						 tahiti_mgcg_cgcg_init,
1210 						 (const u32)ARRAY_SIZE(tahiti_mgcg_cgcg_init));
1211 		radeon_program_register_sequence(rdev,
1212 						 tahiti_golden_registers2,
1213 						 (const u32)ARRAY_SIZE(tahiti_golden_registers2));
1214 		break;
1215 	case CHIP_PITCAIRN:
1216 		radeon_program_register_sequence(rdev,
1217 						 pitcairn_golden_registers,
1218 						 (const u32)ARRAY_SIZE(pitcairn_golden_registers));
1219 		radeon_program_register_sequence(rdev,
1220 						 pitcairn_golden_rlc_registers,
1221 						 (const u32)ARRAY_SIZE(pitcairn_golden_rlc_registers));
1222 		radeon_program_register_sequence(rdev,
1223 						 pitcairn_mgcg_cgcg_init,
1224 						 (const u32)ARRAY_SIZE(pitcairn_mgcg_cgcg_init));
1225 		break;
1226 	case CHIP_VERDE:
1227 		radeon_program_register_sequence(rdev,
1228 						 verde_golden_registers,
1229 						 (const u32)ARRAY_SIZE(verde_golden_registers));
1230 		radeon_program_register_sequence(rdev,
1231 						 verde_golden_rlc_registers,
1232 						 (const u32)ARRAY_SIZE(verde_golden_rlc_registers));
1233 		radeon_program_register_sequence(rdev,
1234 						 verde_mgcg_cgcg_init,
1235 						 (const u32)ARRAY_SIZE(verde_mgcg_cgcg_init));
1236 		radeon_program_register_sequence(rdev,
1237 						 verde_pg_init,
1238 						 (const u32)ARRAY_SIZE(verde_pg_init));
1239 		break;
1240 	case CHIP_OLAND:
1241 		radeon_program_register_sequence(rdev,
1242 						 oland_golden_registers,
1243 						 (const u32)ARRAY_SIZE(oland_golden_registers));
1244 		radeon_program_register_sequence(rdev,
1245 						 oland_golden_rlc_registers,
1246 						 (const u32)ARRAY_SIZE(oland_golden_rlc_registers));
1247 		radeon_program_register_sequence(rdev,
1248 						 oland_mgcg_cgcg_init,
1249 						 (const u32)ARRAY_SIZE(oland_mgcg_cgcg_init));
1250 		break;
1251 	case CHIP_HAINAN:
1252 		radeon_program_register_sequence(rdev,
1253 						 hainan_golden_registers,
1254 						 (const u32)ARRAY_SIZE(hainan_golden_registers));
1255 		radeon_program_register_sequence(rdev,
1256 						 hainan_golden_registers2,
1257 						 (const u32)ARRAY_SIZE(hainan_golden_registers2));
1258 		radeon_program_register_sequence(rdev,
1259 						 hainan_mgcg_cgcg_init,
1260 						 (const u32)ARRAY_SIZE(hainan_mgcg_cgcg_init));
1261 		break;
1262 	default:
1263 		break;
1264 	}
1265 }
1266 
1267 /**
1268  * si_get_allowed_info_register - fetch the register for the info ioctl
1269  *
1270  * @rdev: radeon_device pointer
1271  * @reg: register offset in bytes
1272  * @val: register value
1273  *
1274  * Returns 0 for success or -EINVAL for an invalid register
1275  *
1276  */
1277 int si_get_allowed_info_register(struct radeon_device *rdev,
1278 				 u32 reg, u32 *val)
1279 {
1280 	switch (reg) {
1281 	case GRBM_STATUS:
1282 	case GRBM_STATUS2:
1283 	case GRBM_STATUS_SE0:
1284 	case GRBM_STATUS_SE1:
1285 	case SRBM_STATUS:
1286 	case SRBM_STATUS2:
1287 	case (DMA_STATUS_REG + DMA0_REGISTER_OFFSET):
1288 	case (DMA_STATUS_REG + DMA1_REGISTER_OFFSET):
1289 	case UVD_STATUS:
1290 		*val = RREG32(reg);
1291 		return 0;
1292 	default:
1293 		return -EINVAL;
1294 	}
1295 }
1296 
1297 #define PCIE_BUS_CLK                10000
1298 #define TCLK                        (PCIE_BUS_CLK / 10)
1299 
1300 /**
1301  * si_get_xclk - get the xclk
1302  *
1303  * @rdev: radeon_device pointer
1304  *
1305  * Returns the reference clock used by the gfx engine
1306  * (SI).
1307  */
1308 u32 si_get_xclk(struct radeon_device *rdev)
1309 {
1310 	u32 reference_clock = rdev->clock.spll.reference_freq;
1311 	u32 tmp;
1312 
1313 	tmp = RREG32(CG_CLKPIN_CNTL_2);
1314 	if (tmp & MUX_TCLK_TO_XCLK)
1315 		return TCLK;
1316 
1317 	tmp = RREG32(CG_CLKPIN_CNTL);
1318 	if (tmp & XTALIN_DIVIDE)
1319 		return reference_clock / 4;
1320 
1321 	return reference_clock;
1322 }
1323 
1324 /* get temperature in millidegrees */
1325 int si_get_temp(struct radeon_device *rdev)
1326 {
1327 	u32 temp;
1328 	int actual_temp = 0;
1329 
1330 	temp = (RREG32(CG_MULT_THERMAL_STATUS) & CTF_TEMP_MASK) >>
1331 		CTF_TEMP_SHIFT;
1332 
1333 	if (temp & 0x200)
1334 		actual_temp = 255;
1335 	else
1336 		actual_temp = temp & 0x1ff;
1337 
1338 	actual_temp = (actual_temp * 1000);
1339 
1340 	return actual_temp;
1341 }
1342 
1343 #define TAHITI_IO_MC_REGS_SIZE 36
1344 
1345 static const u32 tahiti_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
1346 	{0x0000006f, 0x03044000},
1347 	{0x00000070, 0x0480c018},
1348 	{0x00000071, 0x00000040},
1349 	{0x00000072, 0x01000000},
1350 	{0x00000074, 0x000000ff},
1351 	{0x00000075, 0x00143400},
1352 	{0x00000076, 0x08ec0800},
1353 	{0x00000077, 0x040000cc},
1354 	{0x00000079, 0x00000000},
1355 	{0x0000007a, 0x21000409},
1356 	{0x0000007c, 0x00000000},
1357 	{0x0000007d, 0xe8000000},
1358 	{0x0000007e, 0x044408a8},
1359 	{0x0000007f, 0x00000003},
1360 	{0x00000080, 0x00000000},
1361 	{0x00000081, 0x01000000},
1362 	{0x00000082, 0x02000000},
1363 	{0x00000083, 0x00000000},
1364 	{0x00000084, 0xe3f3e4f4},
1365 	{0x00000085, 0x00052024},
1366 	{0x00000087, 0x00000000},
1367 	{0x00000088, 0x66036603},
1368 	{0x00000089, 0x01000000},
1369 	{0x0000008b, 0x1c0a0000},
1370 	{0x0000008c, 0xff010000},
1371 	{0x0000008e, 0xffffefff},
1372 	{0x0000008f, 0xfff3efff},
1373 	{0x00000090, 0xfff3efbf},
1374 	{0x00000094, 0x00101101},
1375 	{0x00000095, 0x00000fff},
1376 	{0x00000096, 0x00116fff},
1377 	{0x00000097, 0x60010000},
1378 	{0x00000098, 0x10010000},
1379 	{0x00000099, 0x00006000},
1380 	{0x0000009a, 0x00001000},
1381 	{0x0000009f, 0x00a77400}
1382 };
1383 
1384 static const u32 pitcairn_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
1385 	{0x0000006f, 0x03044000},
1386 	{0x00000070, 0x0480c018},
1387 	{0x00000071, 0x00000040},
1388 	{0x00000072, 0x01000000},
1389 	{0x00000074, 0x000000ff},
1390 	{0x00000075, 0x00143400},
1391 	{0x00000076, 0x08ec0800},
1392 	{0x00000077, 0x040000cc},
1393 	{0x00000079, 0x00000000},
1394 	{0x0000007a, 0x21000409},
1395 	{0x0000007c, 0x00000000},
1396 	{0x0000007d, 0xe8000000},
1397 	{0x0000007e, 0x044408a8},
1398 	{0x0000007f, 0x00000003},
1399 	{0x00000080, 0x00000000},
1400 	{0x00000081, 0x01000000},
1401 	{0x00000082, 0x02000000},
1402 	{0x00000083, 0x00000000},
1403 	{0x00000084, 0xe3f3e4f4},
1404 	{0x00000085, 0x00052024},
1405 	{0x00000087, 0x00000000},
1406 	{0x00000088, 0x66036603},
1407 	{0x00000089, 0x01000000},
1408 	{0x0000008b, 0x1c0a0000},
1409 	{0x0000008c, 0xff010000},
1410 	{0x0000008e, 0xffffefff},
1411 	{0x0000008f, 0xfff3efff},
1412 	{0x00000090, 0xfff3efbf},
1413 	{0x00000094, 0x00101101},
1414 	{0x00000095, 0x00000fff},
1415 	{0x00000096, 0x00116fff},
1416 	{0x00000097, 0x60010000},
1417 	{0x00000098, 0x10010000},
1418 	{0x00000099, 0x00006000},
1419 	{0x0000009a, 0x00001000},
1420 	{0x0000009f, 0x00a47400}
1421 };
1422 
1423 static const u32 verde_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
1424 	{0x0000006f, 0x03044000},
1425 	{0x00000070, 0x0480c018},
1426 	{0x00000071, 0x00000040},
1427 	{0x00000072, 0x01000000},
1428 	{0x00000074, 0x000000ff},
1429 	{0x00000075, 0x00143400},
1430 	{0x00000076, 0x08ec0800},
1431 	{0x00000077, 0x040000cc},
1432 	{0x00000079, 0x00000000},
1433 	{0x0000007a, 0x21000409},
1434 	{0x0000007c, 0x00000000},
1435 	{0x0000007d, 0xe8000000},
1436 	{0x0000007e, 0x044408a8},
1437 	{0x0000007f, 0x00000003},
1438 	{0x00000080, 0x00000000},
1439 	{0x00000081, 0x01000000},
1440 	{0x00000082, 0x02000000},
1441 	{0x00000083, 0x00000000},
1442 	{0x00000084, 0xe3f3e4f4},
1443 	{0x00000085, 0x00052024},
1444 	{0x00000087, 0x00000000},
1445 	{0x00000088, 0x66036603},
1446 	{0x00000089, 0x01000000},
1447 	{0x0000008b, 0x1c0a0000},
1448 	{0x0000008c, 0xff010000},
1449 	{0x0000008e, 0xffffefff},
1450 	{0x0000008f, 0xfff3efff},
1451 	{0x00000090, 0xfff3efbf},
1452 	{0x00000094, 0x00101101},
1453 	{0x00000095, 0x00000fff},
1454 	{0x00000096, 0x00116fff},
1455 	{0x00000097, 0x60010000},
1456 	{0x00000098, 0x10010000},
1457 	{0x00000099, 0x00006000},
1458 	{0x0000009a, 0x00001000},
1459 	{0x0000009f, 0x00a37400}
1460 };
1461 
1462 static const u32 oland_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
1463 	{0x0000006f, 0x03044000},
1464 	{0x00000070, 0x0480c018},
1465 	{0x00000071, 0x00000040},
1466 	{0x00000072, 0x01000000},
1467 	{0x00000074, 0x000000ff},
1468 	{0x00000075, 0x00143400},
1469 	{0x00000076, 0x08ec0800},
1470 	{0x00000077, 0x040000cc},
1471 	{0x00000079, 0x00000000},
1472 	{0x0000007a, 0x21000409},
1473 	{0x0000007c, 0x00000000},
1474 	{0x0000007d, 0xe8000000},
1475 	{0x0000007e, 0x044408a8},
1476 	{0x0000007f, 0x00000003},
1477 	{0x00000080, 0x00000000},
1478 	{0x00000081, 0x01000000},
1479 	{0x00000082, 0x02000000},
1480 	{0x00000083, 0x00000000},
1481 	{0x00000084, 0xe3f3e4f4},
1482 	{0x00000085, 0x00052024},
1483 	{0x00000087, 0x00000000},
1484 	{0x00000088, 0x66036603},
1485 	{0x00000089, 0x01000000},
1486 	{0x0000008b, 0x1c0a0000},
1487 	{0x0000008c, 0xff010000},
1488 	{0x0000008e, 0xffffefff},
1489 	{0x0000008f, 0xfff3efff},
1490 	{0x00000090, 0xfff3efbf},
1491 	{0x00000094, 0x00101101},
1492 	{0x00000095, 0x00000fff},
1493 	{0x00000096, 0x00116fff},
1494 	{0x00000097, 0x60010000},
1495 	{0x00000098, 0x10010000},
1496 	{0x00000099, 0x00006000},
1497 	{0x0000009a, 0x00001000},
1498 	{0x0000009f, 0x00a17730}
1499 };
1500 
1501 static const u32 hainan_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
1502 	{0x0000006f, 0x03044000},
1503 	{0x00000070, 0x0480c018},
1504 	{0x00000071, 0x00000040},
1505 	{0x00000072, 0x01000000},
1506 	{0x00000074, 0x000000ff},
1507 	{0x00000075, 0x00143400},
1508 	{0x00000076, 0x08ec0800},
1509 	{0x00000077, 0x040000cc},
1510 	{0x00000079, 0x00000000},
1511 	{0x0000007a, 0x21000409},
1512 	{0x0000007c, 0x00000000},
1513 	{0x0000007d, 0xe8000000},
1514 	{0x0000007e, 0x044408a8},
1515 	{0x0000007f, 0x00000003},
1516 	{0x00000080, 0x00000000},
1517 	{0x00000081, 0x01000000},
1518 	{0x00000082, 0x02000000},
1519 	{0x00000083, 0x00000000},
1520 	{0x00000084, 0xe3f3e4f4},
1521 	{0x00000085, 0x00052024},
1522 	{0x00000087, 0x00000000},
1523 	{0x00000088, 0x66036603},
1524 	{0x00000089, 0x01000000},
1525 	{0x0000008b, 0x1c0a0000},
1526 	{0x0000008c, 0xff010000},
1527 	{0x0000008e, 0xffffefff},
1528 	{0x0000008f, 0xfff3efff},
1529 	{0x00000090, 0xfff3efbf},
1530 	{0x00000094, 0x00101101},
1531 	{0x00000095, 0x00000fff},
1532 	{0x00000096, 0x00116fff},
1533 	{0x00000097, 0x60010000},
1534 	{0x00000098, 0x10010000},
1535 	{0x00000099, 0x00006000},
1536 	{0x0000009a, 0x00001000},
1537 	{0x0000009f, 0x00a07730}
1538 };
1539 
1540 /* ucode loading */
1541 int si_mc_load_microcode(struct radeon_device *rdev)
1542 {
1543 	const __be32 *fw_data = NULL;
1544 	const __le32 *new_fw_data = NULL;
1545 	u32 running, blackout = 0;
1546 	u32 *io_mc_regs = NULL;
1547 	const __le32 *new_io_mc_regs = NULL;
1548 	int i, regs_size, ucode_size;
1549 
1550 	if (!rdev->mc_fw)
1551 		return -EINVAL;
1552 
1553 	if (rdev->new_fw) {
1554 		const struct mc_firmware_header_v1_0 *hdr =
1555 			(const struct mc_firmware_header_v1_0 *)rdev->mc_fw->data;
1556 
1557 		radeon_ucode_print_mc_hdr(&hdr->header);
1558 		regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2);
1559 		new_io_mc_regs = (const __le32 *)
1560 			(rdev->mc_fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes));
1561 		ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
1562 		new_fw_data = (const __le32 *)
1563 			(rdev->mc_fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
1564 	} else {
1565 		ucode_size = rdev->mc_fw->size / 4;
1566 
1567 		switch (rdev->family) {
1568 		case CHIP_TAHITI:
1569 			io_mc_regs = (u32 *)&tahiti_io_mc_regs;
1570 			regs_size = TAHITI_IO_MC_REGS_SIZE;
1571 			break;
1572 		case CHIP_PITCAIRN:
1573 			io_mc_regs = (u32 *)&pitcairn_io_mc_regs;
1574 			regs_size = TAHITI_IO_MC_REGS_SIZE;
1575 			break;
1576 		case CHIP_VERDE:
1577 		default:
1578 			io_mc_regs = (u32 *)&verde_io_mc_regs;
1579 			regs_size = TAHITI_IO_MC_REGS_SIZE;
1580 			break;
1581 		case CHIP_OLAND:
1582 			io_mc_regs = (u32 *)&oland_io_mc_regs;
1583 			regs_size = TAHITI_IO_MC_REGS_SIZE;
1584 			break;
1585 		case CHIP_HAINAN:
1586 			io_mc_regs = (u32 *)&hainan_io_mc_regs;
1587 			regs_size = TAHITI_IO_MC_REGS_SIZE;
1588 			break;
1589 		}
1590 		fw_data = (const __be32 *)rdev->mc_fw->data;
1591 	}
1592 
1593 	running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
1594 
1595 	if (running == 0) {
1596 		if (running) {
1597 			blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
1598 			WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1);
1599 		}
1600 
1601 		/* reset the engine and set to writable */
1602 		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
1603 		WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
1604 
1605 		/* load mc io regs */
1606 		for (i = 0; i < regs_size; i++) {
1607 			if (rdev->new_fw) {
1608 				WREG32(MC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(new_io_mc_regs++));
1609 				WREG32(MC_SEQ_IO_DEBUG_DATA, le32_to_cpup(new_io_mc_regs++));
1610 			} else {
1611 				WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
1612 				WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
1613 			}
1614 		}
1615 		/* load the MC ucode */
1616 		for (i = 0; i < ucode_size; i++) {
1617 			if (rdev->new_fw)
1618 				WREG32(MC_SEQ_SUP_PGM, le32_to_cpup(new_fw_data++));
1619 			else
1620 				WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
1621 		}
1622 
1623 		/* put the engine back into the active state */
1624 		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
1625 		WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
1626 		WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
1627 
1628 		/* wait for training to complete */
1629 		for (i = 0; i < rdev->usec_timeout; i++) {
1630 			if (RREG32(MC_SEQ_TRAIN_WAKEUP_CNTL) & TRAIN_DONE_D0)
1631 				break;
1632 			udelay(1);
1633 		}
1634 		for (i = 0; i < rdev->usec_timeout; i++) {
1635 			if (RREG32(MC_SEQ_TRAIN_WAKEUP_CNTL) & TRAIN_DONE_D1)
1636 				break;
1637 			udelay(1);
1638 		}
1639 
1640 		if (running)
1641 			WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
1642 	}
1643 
1644 	return 0;
1645 }
1646 
1647 static int si_init_microcode(struct radeon_device *rdev)
1648 {
1649 	const char *chip_name;
1650 	const char *new_chip_name;
1651 	size_t pfp_req_size, me_req_size, ce_req_size, rlc_req_size, mc_req_size;
1652 	size_t smc_req_size, mc2_req_size;
1653 	char fw_name[30];
1654 	int err;
1655 	int new_fw = 0;
1656 
1657 	DRM_DEBUG("\n");
1658 
1659 	switch (rdev->family) {
1660 	case CHIP_TAHITI:
1661 		chip_name = "TAHITI";
1662 		new_chip_name = "tahiti";
1663 		pfp_req_size = SI_PFP_UCODE_SIZE * 4;
1664 		me_req_size = SI_PM4_UCODE_SIZE * 4;
1665 		ce_req_size = SI_CE_UCODE_SIZE * 4;
1666 		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
1667 		mc_req_size = SI_MC_UCODE_SIZE * 4;
1668 		mc2_req_size = TAHITI_MC_UCODE_SIZE * 4;
1669 		smc_req_size = ALIGN(TAHITI_SMC_UCODE_SIZE, 4);
1670 		break;
1671 	case CHIP_PITCAIRN:
1672 		chip_name = "PITCAIRN";
1673 		new_chip_name = "pitcairn";
1674 		pfp_req_size = SI_PFP_UCODE_SIZE * 4;
1675 		me_req_size = SI_PM4_UCODE_SIZE * 4;
1676 		ce_req_size = SI_CE_UCODE_SIZE * 4;
1677 		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
1678 		mc_req_size = SI_MC_UCODE_SIZE * 4;
1679 		mc2_req_size = PITCAIRN_MC_UCODE_SIZE * 4;
1680 		smc_req_size = ALIGN(PITCAIRN_SMC_UCODE_SIZE, 4);
1681 		break;
1682 	case CHIP_VERDE:
1683 		chip_name = "VERDE";
1684 		new_chip_name = "verde";
1685 		pfp_req_size = SI_PFP_UCODE_SIZE * 4;
1686 		me_req_size = SI_PM4_UCODE_SIZE * 4;
1687 		ce_req_size = SI_CE_UCODE_SIZE * 4;
1688 		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
1689 		mc_req_size = SI_MC_UCODE_SIZE * 4;
1690 		mc2_req_size = VERDE_MC_UCODE_SIZE * 4;
1691 		smc_req_size = ALIGN(VERDE_SMC_UCODE_SIZE, 4);
1692 		break;
1693 	case CHIP_OLAND:
1694 		chip_name = "OLAND";
1695 		new_chip_name = "oland";
1696 		pfp_req_size = SI_PFP_UCODE_SIZE * 4;
1697 		me_req_size = SI_PM4_UCODE_SIZE * 4;
1698 		ce_req_size = SI_CE_UCODE_SIZE * 4;
1699 		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
1700 		mc_req_size = mc2_req_size = OLAND_MC_UCODE_SIZE * 4;
1701 		smc_req_size = ALIGN(OLAND_SMC_UCODE_SIZE, 4);
1702 		break;
1703 	case CHIP_HAINAN:
1704 		chip_name = "HAINAN";
1705 		new_chip_name = "hainan";
1706 		pfp_req_size = SI_PFP_UCODE_SIZE * 4;
1707 		me_req_size = SI_PM4_UCODE_SIZE * 4;
1708 		ce_req_size = SI_CE_UCODE_SIZE * 4;
1709 		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
1710 		mc_req_size = mc2_req_size = OLAND_MC_UCODE_SIZE * 4;
1711 		smc_req_size = ALIGN(HAINAN_SMC_UCODE_SIZE, 4);
1712 		break;
1713 	default: BUG();
1714 	}
1715 
1716 	DRM_INFO("Loading %s Microcode\n", new_chip_name);
1717 
1718 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", new_chip_name);
1719 	err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
1720 	if (err) {
1721 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
1722 		err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
1723 		if (err)
1724 			goto out;
1725 		if (rdev->pfp_fw->size != pfp_req_size) {
1726 			printk(KERN_ERR
1727 			       "si_cp: Bogus length %zu in firmware \"%s\"\n",
1728 			       rdev->pfp_fw->size, fw_name);
1729 			err = -EINVAL;
1730 			goto out;
1731 		}
1732 	} else {
1733 		err = radeon_ucode_validate(rdev->pfp_fw);
1734 		if (err) {
1735 			printk(KERN_ERR
1736 			       "si_cp: validation failed for firmware \"%s\"\n",
1737 			       fw_name);
1738 			goto out;
1739 		} else {
1740 			new_fw++;
1741 		}
1742 	}
1743 
1744 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", new_chip_name);
1745 	err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
1746 	if (err) {
1747 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
1748 		err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
1749 		if (err)
1750 			goto out;
1751 		if (rdev->me_fw->size != me_req_size) {
1752 			printk(KERN_ERR
1753 			       "si_cp: Bogus length %zu in firmware \"%s\"\n",
1754 			       rdev->me_fw->size, fw_name);
1755 			err = -EINVAL;
1756 		}
1757 	} else {
1758 		err = radeon_ucode_validate(rdev->me_fw);
1759 		if (err) {
1760 			printk(KERN_ERR
1761 			       "si_cp: validation failed for firmware \"%s\"\n",
1762 			       fw_name);
1763 			goto out;
1764 		} else {
1765 			new_fw++;
1766 		}
1767 	}
1768 
1769 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_ce.bin", new_chip_name);
1770 	err = request_firmware(&rdev->ce_fw, fw_name, rdev->dev);
1771 	if (err) {
1772 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_ce.bin", chip_name);
1773 		err = request_firmware(&rdev->ce_fw, fw_name, rdev->dev);
1774 		if (err)
1775 			goto out;
1776 		if (rdev->ce_fw->size != ce_req_size) {
1777 			printk(KERN_ERR
1778 			       "si_cp: Bogus length %zu in firmware \"%s\"\n",
1779 			       rdev->ce_fw->size, fw_name);
1780 			err = -EINVAL;
1781 		}
1782 	} else {
1783 		err = radeon_ucode_validate(rdev->ce_fw);
1784 		if (err) {
1785 			printk(KERN_ERR
1786 			       "si_cp: validation failed for firmware \"%s\"\n",
1787 			       fw_name);
1788 			goto out;
1789 		} else {
1790 			new_fw++;
1791 		}
1792 	}
1793 
1794 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", new_chip_name);
1795 	err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
1796 	if (err) {
1797 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", chip_name);
1798 		err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
1799 		if (err)
1800 			goto out;
1801 		if (rdev->rlc_fw->size != rlc_req_size) {
1802 			printk(KERN_ERR
1803 			       "si_rlc: Bogus length %zu in firmware \"%s\"\n",
1804 			       rdev->rlc_fw->size, fw_name);
1805 			err = -EINVAL;
1806 		}
1807 	} else {
1808 		err = radeon_ucode_validate(rdev->rlc_fw);
1809 		if (err) {
1810 			printk(KERN_ERR
1811 			       "si_cp: validation failed for firmware \"%s\"\n",
1812 			       fw_name);
1813 			goto out;
1814 		} else {
1815 			new_fw++;
1816 		}
1817 	}
1818 
1819 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", new_chip_name);
1820 	err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
1821 	if (err) {
1822 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc2.bin", chip_name);
1823 		err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
1824 		if (err) {
1825 			snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
1826 			err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
1827 			if (err)
1828 				goto out;
1829 		}
1830 		if ((rdev->mc_fw->size != mc_req_size) &&
1831 		    (rdev->mc_fw->size != mc2_req_size)) {
1832 			printk(KERN_ERR
1833 			       "si_mc: Bogus length %zu in firmware \"%s\"\n",
1834 			       rdev->mc_fw->size, fw_name);
1835 			err = -EINVAL;
1836 		}
1837 		DRM_INFO("%s: %zu bytes\n", fw_name, rdev->mc_fw->size);
1838 	} else {
1839 		err = radeon_ucode_validate(rdev->mc_fw);
1840 		if (err) {
1841 			printk(KERN_ERR
1842 			       "si_cp: validation failed for firmware \"%s\"\n",
1843 			       fw_name);
1844 			goto out;
1845 		} else {
1846 			new_fw++;
1847 		}
1848 	}
1849 
1850 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", new_chip_name);
1851 	err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
1852 	if (err) {
1853 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
1854 		err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
1855 		if (err) {
1856 			printk(KERN_ERR
1857 			       "smc: error loading firmware \"%s\"\n",
1858 			       fw_name);
1859 			release_firmware(rdev->smc_fw);
1860 			rdev->smc_fw = NULL;
1861 			err = 0;
1862 		} else if (rdev->smc_fw->size != smc_req_size) {
1863 			printk(KERN_ERR
1864 			       "si_smc: Bogus length %zu in firmware \"%s\"\n",
1865 			       rdev->smc_fw->size, fw_name);
1866 			err = -EINVAL;
1867 		}
1868 	} else {
1869 		err = radeon_ucode_validate(rdev->smc_fw);
1870 		if (err) {
1871 			printk(KERN_ERR
1872 			       "si_cp: validation failed for firmware \"%s\"\n",
1873 			       fw_name);
1874 			goto out;
1875 		} else {
1876 			new_fw++;
1877 		}
1878 	}
1879 
1880 	if (new_fw == 0) {
1881 		rdev->new_fw = false;
1882 	} else if (new_fw < 6) {
1883 		printk(KERN_ERR "si_fw: mixing new and old firmware!\n");
1884 		err = -EINVAL;
1885 	} else {
1886 		rdev->new_fw = true;
1887 	}
1888 out:
1889 	if (err) {
1890 		if (err != -EINVAL)
1891 			printk(KERN_ERR
1892 			       "si_cp: Failed to load firmware \"%s\"\n",
1893 			       fw_name);
1894 		release_firmware(rdev->pfp_fw);
1895 		rdev->pfp_fw = NULL;
1896 		release_firmware(rdev->me_fw);
1897 		rdev->me_fw = NULL;
1898 		release_firmware(rdev->ce_fw);
1899 		rdev->ce_fw = NULL;
1900 		release_firmware(rdev->rlc_fw);
1901 		rdev->rlc_fw = NULL;
1902 		release_firmware(rdev->mc_fw);
1903 		rdev->mc_fw = NULL;
1904 		release_firmware(rdev->smc_fw);
1905 		rdev->smc_fw = NULL;
1906 	}
1907 	return err;
1908 }
1909 
1910 /* watermark setup */
1911 static u32 dce6_line_buffer_adjust(struct radeon_device *rdev,
1912 				   struct radeon_crtc *radeon_crtc,
1913 				   struct drm_display_mode *mode,
1914 				   struct drm_display_mode *other_mode)
1915 {
1916 	u32 tmp, buffer_alloc, i;
1917 	u32 pipe_offset = radeon_crtc->crtc_id * 0x20;
1918 	/*
1919 	 * Line Buffer Setup
1920 	 * There are 3 line buffers, each one shared by 2 display controllers.
1921 	 * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1922 	 * the display controllers.  The paritioning is done via one of four
1923 	 * preset allocations specified in bits 21:20:
1924 	 *  0 - half lb
1925 	 *  2 - whole lb, other crtc must be disabled
1926 	 */
1927 	/* this can get tricky if we have two large displays on a paired group
1928 	 * of crtcs.  Ideally for multiple large displays we'd assign them to
1929 	 * non-linked crtcs for maximum line buffer allocation.
1930 	 */
1931 	if (radeon_crtc->base.enabled && mode) {
1932 		if (other_mode) {
1933 			tmp = 0; /* 1/2 */
1934 			buffer_alloc = 1;
1935 		} else {
1936 			tmp = 2; /* whole */
1937 			buffer_alloc = 2;
1938 		}
1939 	} else {
1940 		tmp = 0;
1941 		buffer_alloc = 0;
1942 	}
1943 
1944 	WREG32(DC_LB_MEMORY_SPLIT + radeon_crtc->crtc_offset,
1945 	       DC_LB_MEMORY_CONFIG(tmp));
1946 
1947 	WREG32(PIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1948 	       DMIF_BUFFERS_ALLOCATED(buffer_alloc));
1949 	for (i = 0; i < rdev->usec_timeout; i++) {
1950 		if (RREG32(PIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1951 		    DMIF_BUFFERS_ALLOCATED_COMPLETED)
1952 			break;
1953 		udelay(1);
1954 	}
1955 
1956 	if (radeon_crtc->base.enabled && mode) {
1957 		switch (tmp) {
1958 		case 0:
1959 		default:
1960 			return 4096 * 2;
1961 		case 2:
1962 			return 8192 * 2;
1963 		}
1964 	}
1965 
1966 	/* controller not enabled, so no lb used */
1967 	return 0;
1968 }
1969 
1970 static u32 si_get_number_of_dram_channels(struct radeon_device *rdev)
1971 {
1972 	u32 tmp = RREG32(MC_SHARED_CHMAP);
1973 
1974 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1975 	case 0:
1976 	default:
1977 		return 1;
1978 	case 1:
1979 		return 2;
1980 	case 2:
1981 		return 4;
1982 	case 3:
1983 		return 8;
1984 	case 4:
1985 		return 3;
1986 	case 5:
1987 		return 6;
1988 	case 6:
1989 		return 10;
1990 	case 7:
1991 		return 12;
1992 	case 8:
1993 		return 16;
1994 	}
1995 }
1996 
1997 struct dce6_wm_params {
1998 	u32 dram_channels; /* number of dram channels */
1999 	u32 yclk;          /* bandwidth per dram data pin in kHz */
2000 	u32 sclk;          /* engine clock in kHz */
2001 	u32 disp_clk;      /* display clock in kHz */
2002 	u32 src_width;     /* viewport width */
2003 	u32 active_time;   /* active display time in ns */
2004 	u32 blank_time;    /* blank time in ns */
2005 	bool interlaced;    /* mode is interlaced */
2006 	fixed20_12 vsc;    /* vertical scale ratio */
2007 	u32 num_heads;     /* number of active crtcs */
2008 	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
2009 	u32 lb_size;       /* line buffer allocated to pipe */
2010 	u32 vtaps;         /* vertical scaler taps */
2011 };
2012 
2013 static u32 dce6_dram_bandwidth(struct dce6_wm_params *wm)
2014 {
2015 	/* Calculate raw DRAM Bandwidth */
2016 	fixed20_12 dram_efficiency; /* 0.7 */
2017 	fixed20_12 yclk, dram_channels, bandwidth;
2018 	fixed20_12 a;
2019 
2020 	a.full = dfixed_const(1000);
2021 	yclk.full = dfixed_const(wm->yclk);
2022 	yclk.full = dfixed_div(yclk, a);
2023 	dram_channels.full = dfixed_const(wm->dram_channels * 4);
2024 	a.full = dfixed_const(10);
2025 	dram_efficiency.full = dfixed_const(7);
2026 	dram_efficiency.full = dfixed_div(dram_efficiency, a);
2027 	bandwidth.full = dfixed_mul(dram_channels, yclk);
2028 	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
2029 
2030 	return dfixed_trunc(bandwidth);
2031 }
2032 
2033 static u32 dce6_dram_bandwidth_for_display(struct dce6_wm_params *wm)
2034 {
2035 	/* Calculate DRAM Bandwidth and the part allocated to display. */
2036 	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
2037 	fixed20_12 yclk, dram_channels, bandwidth;
2038 	fixed20_12 a;
2039 
2040 	a.full = dfixed_const(1000);
2041 	yclk.full = dfixed_const(wm->yclk);
2042 	yclk.full = dfixed_div(yclk, a);
2043 	dram_channels.full = dfixed_const(wm->dram_channels * 4);
2044 	a.full = dfixed_const(10);
2045 	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
2046 	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
2047 	bandwidth.full = dfixed_mul(dram_channels, yclk);
2048 	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
2049 
2050 	return dfixed_trunc(bandwidth);
2051 }
2052 
2053 static u32 dce6_data_return_bandwidth(struct dce6_wm_params *wm)
2054 {
2055 	/* Calculate the display Data return Bandwidth */
2056 	fixed20_12 return_efficiency; /* 0.8 */
2057 	fixed20_12 sclk, bandwidth;
2058 	fixed20_12 a;
2059 
2060 	a.full = dfixed_const(1000);
2061 	sclk.full = dfixed_const(wm->sclk);
2062 	sclk.full = dfixed_div(sclk, a);
2063 	a.full = dfixed_const(10);
2064 	return_efficiency.full = dfixed_const(8);
2065 	return_efficiency.full = dfixed_div(return_efficiency, a);
2066 	a.full = dfixed_const(32);
2067 	bandwidth.full = dfixed_mul(a, sclk);
2068 	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
2069 
2070 	return dfixed_trunc(bandwidth);
2071 }
2072 
2073 static u32 dce6_get_dmif_bytes_per_request(struct dce6_wm_params *wm)
2074 {
2075 	return 32;
2076 }
2077 
2078 static u32 dce6_dmif_request_bandwidth(struct dce6_wm_params *wm)
2079 {
2080 	/* Calculate the DMIF Request Bandwidth */
2081 	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
2082 	fixed20_12 disp_clk, sclk, bandwidth;
2083 	fixed20_12 a, b1, b2;
2084 	u32 min_bandwidth;
2085 
2086 	a.full = dfixed_const(1000);
2087 	disp_clk.full = dfixed_const(wm->disp_clk);
2088 	disp_clk.full = dfixed_div(disp_clk, a);
2089 	a.full = dfixed_const(dce6_get_dmif_bytes_per_request(wm) / 2);
2090 	b1.full = dfixed_mul(a, disp_clk);
2091 
2092 	a.full = dfixed_const(1000);
2093 	sclk.full = dfixed_const(wm->sclk);
2094 	sclk.full = dfixed_div(sclk, a);
2095 	a.full = dfixed_const(dce6_get_dmif_bytes_per_request(wm));
2096 	b2.full = dfixed_mul(a, sclk);
2097 
2098 	a.full = dfixed_const(10);
2099 	disp_clk_request_efficiency.full = dfixed_const(8);
2100 	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
2101 
2102 	min_bandwidth = min(dfixed_trunc(b1), dfixed_trunc(b2));
2103 
2104 	a.full = dfixed_const(min_bandwidth);
2105 	bandwidth.full = dfixed_mul(a, disp_clk_request_efficiency);
2106 
2107 	return dfixed_trunc(bandwidth);
2108 }
2109 
2110 static u32 dce6_available_bandwidth(struct dce6_wm_params *wm)
2111 {
2112 	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
2113 	u32 dram_bandwidth = dce6_dram_bandwidth(wm);
2114 	u32 data_return_bandwidth = dce6_data_return_bandwidth(wm);
2115 	u32 dmif_req_bandwidth = dce6_dmif_request_bandwidth(wm);
2116 
2117 	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
2118 }
2119 
2120 static u32 dce6_average_bandwidth(struct dce6_wm_params *wm)
2121 {
2122 	/* Calculate the display mode Average Bandwidth
2123 	 * DisplayMode should contain the source and destination dimensions,
2124 	 * timing, etc.
2125 	 */
2126 	fixed20_12 bpp;
2127 	fixed20_12 line_time;
2128 	fixed20_12 src_width;
2129 	fixed20_12 bandwidth;
2130 	fixed20_12 a;
2131 
2132 	a.full = dfixed_const(1000);
2133 	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
2134 	line_time.full = dfixed_div(line_time, a);
2135 	bpp.full = dfixed_const(wm->bytes_per_pixel);
2136 	src_width.full = dfixed_const(wm->src_width);
2137 	bandwidth.full = dfixed_mul(src_width, bpp);
2138 	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
2139 	bandwidth.full = dfixed_div(bandwidth, line_time);
2140 
2141 	return dfixed_trunc(bandwidth);
2142 }
2143 
2144 static u32 dce6_latency_watermark(struct dce6_wm_params *wm)
2145 {
2146 	/* First calcualte the latency in ns */
2147 	u32 mc_latency = 2000; /* 2000 ns. */
2148 	u32 available_bandwidth = dce6_available_bandwidth(wm);
2149 	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
2150 	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
2151 	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
2152 	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
2153 		(wm->num_heads * cursor_line_pair_return_time);
2154 	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
2155 	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
2156 	u32 tmp, dmif_size = 12288;
2157 	fixed20_12 a, b, c;
2158 
2159 	if (wm->num_heads == 0)
2160 		return 0;
2161 
2162 	a.full = dfixed_const(2);
2163 	b.full = dfixed_const(1);
2164 	if ((wm->vsc.full > a.full) ||
2165 	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
2166 	    (wm->vtaps >= 5) ||
2167 	    ((wm->vsc.full >= a.full) && wm->interlaced))
2168 		max_src_lines_per_dst_line = 4;
2169 	else
2170 		max_src_lines_per_dst_line = 2;
2171 
2172 	a.full = dfixed_const(available_bandwidth);
2173 	b.full = dfixed_const(wm->num_heads);
2174 	a.full = dfixed_div(a, b);
2175 
2176 	b.full = dfixed_const(mc_latency + 512);
2177 	c.full = dfixed_const(wm->disp_clk);
2178 	b.full = dfixed_div(b, c);
2179 
2180 	c.full = dfixed_const(dmif_size);
2181 	b.full = dfixed_div(c, b);
2182 
2183 	tmp = min(dfixed_trunc(a), dfixed_trunc(b));
2184 
2185 	b.full = dfixed_const(1000);
2186 	c.full = dfixed_const(wm->disp_clk);
2187 	b.full = dfixed_div(c, b);
2188 	c.full = dfixed_const(wm->bytes_per_pixel);
2189 	b.full = dfixed_mul(b, c);
2190 
2191 	lb_fill_bw = min(tmp, dfixed_trunc(b));
2192 
2193 	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
2194 	b.full = dfixed_const(1000);
2195 	c.full = dfixed_const(lb_fill_bw);
2196 	b.full = dfixed_div(c, b);
2197 	a.full = dfixed_div(a, b);
2198 	line_fill_time = dfixed_trunc(a);
2199 
2200 	if (line_fill_time < wm->active_time)
2201 		return latency;
2202 	else
2203 		return latency + (line_fill_time - wm->active_time);
2204 
2205 }
2206 
2207 static bool dce6_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm)
2208 {
2209 	if (dce6_average_bandwidth(wm) <=
2210 	    (dce6_dram_bandwidth_for_display(wm) / wm->num_heads))
2211 		return true;
2212 	else
2213 		return false;
2214 };
2215 
2216 static bool dce6_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm)
2217 {
2218 	if (dce6_average_bandwidth(wm) <=
2219 	    (dce6_available_bandwidth(wm) / wm->num_heads))
2220 		return true;
2221 	else
2222 		return false;
2223 };
2224 
2225 static bool dce6_check_latency_hiding(struct dce6_wm_params *wm)
2226 {
2227 	u32 lb_partitions = wm->lb_size / wm->src_width;
2228 	u32 line_time = wm->active_time + wm->blank_time;
2229 	u32 latency_tolerant_lines;
2230 	u32 latency_hiding;
2231 	fixed20_12 a;
2232 
2233 	a.full = dfixed_const(1);
2234 	if (wm->vsc.full > a.full)
2235 		latency_tolerant_lines = 1;
2236 	else {
2237 		if (lb_partitions <= (wm->vtaps + 1))
2238 			latency_tolerant_lines = 1;
2239 		else
2240 			latency_tolerant_lines = 2;
2241 	}
2242 
2243 	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
2244 
2245 	if (dce6_latency_watermark(wm) <= latency_hiding)
2246 		return true;
2247 	else
2248 		return false;
2249 }
2250 
2251 static void dce6_program_watermarks(struct radeon_device *rdev,
2252 					 struct radeon_crtc *radeon_crtc,
2253 					 u32 lb_size, u32 num_heads)
2254 {
2255 	struct drm_display_mode *mode = &radeon_crtc->base.mode;
2256 	struct dce6_wm_params wm_low, wm_high;
2257 	u32 dram_channels;
2258 	u32 pixel_period;
2259 	u32 line_time = 0;
2260 	u32 latency_watermark_a = 0, latency_watermark_b = 0;
2261 	u32 priority_a_mark = 0, priority_b_mark = 0;
2262 	u32 priority_a_cnt = PRIORITY_OFF;
2263 	u32 priority_b_cnt = PRIORITY_OFF;
2264 	u32 tmp, arb_control3;
2265 	fixed20_12 a, b, c;
2266 
2267 	if (radeon_crtc->base.enabled && num_heads && mode) {
2268 		pixel_period = 1000000 / (u32)mode->clock;
2269 		line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
2270 		priority_a_cnt = 0;
2271 		priority_b_cnt = 0;
2272 
2273 		if (rdev->family == CHIP_ARUBA)
2274 			dram_channels = evergreen_get_number_of_dram_channels(rdev);
2275 		else
2276 			dram_channels = si_get_number_of_dram_channels(rdev);
2277 
2278 		/* watermark for high clocks */
2279 		if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
2280 			wm_high.yclk =
2281 				radeon_dpm_get_mclk(rdev, false) * 10;
2282 			wm_high.sclk =
2283 				radeon_dpm_get_sclk(rdev, false) * 10;
2284 		} else {
2285 			wm_high.yclk = rdev->pm.current_mclk * 10;
2286 			wm_high.sclk = rdev->pm.current_sclk * 10;
2287 		}
2288 
2289 		wm_high.disp_clk = mode->clock;
2290 		wm_high.src_width = mode->crtc_hdisplay;
2291 		wm_high.active_time = mode->crtc_hdisplay * pixel_period;
2292 		wm_high.blank_time = line_time - wm_high.active_time;
2293 		wm_high.interlaced = false;
2294 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2295 			wm_high.interlaced = true;
2296 		wm_high.vsc = radeon_crtc->vsc;
2297 		wm_high.vtaps = 1;
2298 		if (radeon_crtc->rmx_type != RMX_OFF)
2299 			wm_high.vtaps = 2;
2300 		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
2301 		wm_high.lb_size = lb_size;
2302 		wm_high.dram_channels = dram_channels;
2303 		wm_high.num_heads = num_heads;
2304 
2305 		/* watermark for low clocks */
2306 		if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
2307 			wm_low.yclk =
2308 				radeon_dpm_get_mclk(rdev, true) * 10;
2309 			wm_low.sclk =
2310 				radeon_dpm_get_sclk(rdev, true) * 10;
2311 		} else {
2312 			wm_low.yclk = rdev->pm.current_mclk * 10;
2313 			wm_low.sclk = rdev->pm.current_sclk * 10;
2314 		}
2315 
2316 		wm_low.disp_clk = mode->clock;
2317 		wm_low.src_width = mode->crtc_hdisplay;
2318 		wm_low.active_time = mode->crtc_hdisplay * pixel_period;
2319 		wm_low.blank_time = line_time - wm_low.active_time;
2320 		wm_low.interlaced = false;
2321 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2322 			wm_low.interlaced = true;
2323 		wm_low.vsc = radeon_crtc->vsc;
2324 		wm_low.vtaps = 1;
2325 		if (radeon_crtc->rmx_type != RMX_OFF)
2326 			wm_low.vtaps = 2;
2327 		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
2328 		wm_low.lb_size = lb_size;
2329 		wm_low.dram_channels = dram_channels;
2330 		wm_low.num_heads = num_heads;
2331 
2332 		/* set for high clocks */
2333 		latency_watermark_a = min(dce6_latency_watermark(&wm_high), (u32)65535);
2334 		/* set for low clocks */
2335 		latency_watermark_b = min(dce6_latency_watermark(&wm_low), (u32)65535);
2336 
2337 		/* possibly force display priority to high */
2338 		/* should really do this at mode validation time... */
2339 		if (!dce6_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
2340 		    !dce6_average_bandwidth_vs_available_bandwidth(&wm_high) ||
2341 		    !dce6_check_latency_hiding(&wm_high) ||
2342 		    (rdev->disp_priority == 2)) {
2343 			DRM_DEBUG_KMS("force priority to high\n");
2344 			priority_a_cnt |= PRIORITY_ALWAYS_ON;
2345 			priority_b_cnt |= PRIORITY_ALWAYS_ON;
2346 		}
2347 		if (!dce6_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
2348 		    !dce6_average_bandwidth_vs_available_bandwidth(&wm_low) ||
2349 		    !dce6_check_latency_hiding(&wm_low) ||
2350 		    (rdev->disp_priority == 2)) {
2351 			DRM_DEBUG_KMS("force priority to high\n");
2352 			priority_a_cnt |= PRIORITY_ALWAYS_ON;
2353 			priority_b_cnt |= PRIORITY_ALWAYS_ON;
2354 		}
2355 
2356 		a.full = dfixed_const(1000);
2357 		b.full = dfixed_const(mode->clock);
2358 		b.full = dfixed_div(b, a);
2359 		c.full = dfixed_const(latency_watermark_a);
2360 		c.full = dfixed_mul(c, b);
2361 		c.full = dfixed_mul(c, radeon_crtc->hsc);
2362 		c.full = dfixed_div(c, a);
2363 		a.full = dfixed_const(16);
2364 		c.full = dfixed_div(c, a);
2365 		priority_a_mark = dfixed_trunc(c);
2366 		priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
2367 
2368 		a.full = dfixed_const(1000);
2369 		b.full = dfixed_const(mode->clock);
2370 		b.full = dfixed_div(b, a);
2371 		c.full = dfixed_const(latency_watermark_b);
2372 		c.full = dfixed_mul(c, b);
2373 		c.full = dfixed_mul(c, radeon_crtc->hsc);
2374 		c.full = dfixed_div(c, a);
2375 		a.full = dfixed_const(16);
2376 		c.full = dfixed_div(c, a);
2377 		priority_b_mark = dfixed_trunc(c);
2378 		priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
2379 
2380 		/* Save number of lines the linebuffer leads before the scanout */
2381 		radeon_crtc->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
2382 	}
2383 
2384 	/* select wm A */
2385 	arb_control3 = RREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset);
2386 	tmp = arb_control3;
2387 	tmp &= ~LATENCY_WATERMARK_MASK(3);
2388 	tmp |= LATENCY_WATERMARK_MASK(1);
2389 	WREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset, tmp);
2390 	WREG32(DPG_PIPE_LATENCY_CONTROL + radeon_crtc->crtc_offset,
2391 	       (LATENCY_LOW_WATERMARK(latency_watermark_a) |
2392 		LATENCY_HIGH_WATERMARK(line_time)));
2393 	/* select wm B */
2394 	tmp = RREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset);
2395 	tmp &= ~LATENCY_WATERMARK_MASK(3);
2396 	tmp |= LATENCY_WATERMARK_MASK(2);
2397 	WREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset, tmp);
2398 	WREG32(DPG_PIPE_LATENCY_CONTROL + radeon_crtc->crtc_offset,
2399 	       (LATENCY_LOW_WATERMARK(latency_watermark_b) |
2400 		LATENCY_HIGH_WATERMARK(line_time)));
2401 	/* restore original selection */
2402 	WREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset, arb_control3);
2403 
2404 	/* write the priority marks */
2405 	WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt);
2406 	WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt);
2407 
2408 	/* save values for DPM */
2409 	radeon_crtc->line_time = line_time;
2410 	radeon_crtc->wm_high = latency_watermark_a;
2411 	radeon_crtc->wm_low = latency_watermark_b;
2412 }
2413 
2414 void dce6_bandwidth_update(struct radeon_device *rdev)
2415 {
2416 	struct drm_display_mode *mode0 = NULL;
2417 	struct drm_display_mode *mode1 = NULL;
2418 	u32 num_heads = 0, lb_size;
2419 	int i;
2420 
2421 	if (!rdev->mode_info.mode_config_initialized)
2422 		return;
2423 
2424 	radeon_update_display_priority(rdev);
2425 
2426 	for (i = 0; i < rdev->num_crtc; i++) {
2427 		if (rdev->mode_info.crtcs[i]->base.enabled)
2428 			num_heads++;
2429 	}
2430 	for (i = 0; i < rdev->num_crtc; i += 2) {
2431 		mode0 = &rdev->mode_info.crtcs[i]->base.mode;
2432 		mode1 = &rdev->mode_info.crtcs[i+1]->base.mode;
2433 		lb_size = dce6_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i], mode0, mode1);
2434 		dce6_program_watermarks(rdev, rdev->mode_info.crtcs[i], lb_size, num_heads);
2435 		lb_size = dce6_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i+1], mode1, mode0);
2436 		dce6_program_watermarks(rdev, rdev->mode_info.crtcs[i+1], lb_size, num_heads);
2437 	}
2438 }
2439 
2440 /*
2441  * Core functions
2442  */
2443 static void si_tiling_mode_table_init(struct radeon_device *rdev)
2444 {
2445 	u32 *tile = rdev->config.si.tile_mode_array;
2446 	const u32 num_tile_mode_states =
2447 			ARRAY_SIZE(rdev->config.si.tile_mode_array);
2448 	u32 reg_offset, split_equal_to_row_size;
2449 
2450 	switch (rdev->config.si.mem_row_size_in_kb) {
2451 	case 1:
2452 		split_equal_to_row_size = ADDR_SURF_TILE_SPLIT_1KB;
2453 		break;
2454 	case 2:
2455 	default:
2456 		split_equal_to_row_size = ADDR_SURF_TILE_SPLIT_2KB;
2457 		break;
2458 	case 4:
2459 		split_equal_to_row_size = ADDR_SURF_TILE_SPLIT_4KB;
2460 		break;
2461 	}
2462 
2463 	for (reg_offset = 0; reg_offset < num_tile_mode_states; reg_offset++)
2464 		tile[reg_offset] = 0;
2465 
2466 	switch(rdev->family) {
2467 	case CHIP_TAHITI:
2468 	case CHIP_PITCAIRN:
2469 		/* non-AA compressed depth or any compressed stencil */
2470 		tile[0] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2471 			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2472 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2473 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2474 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2475 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2476 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2477 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2478 		/* 2xAA/4xAA compressed depth only */
2479 		tile[1] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2480 			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2481 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2482 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
2483 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2484 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2485 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2486 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2487 		/* 8xAA compressed depth only */
2488 		tile[2] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2489 			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2490 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2491 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2492 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2493 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2494 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2495 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2496 		/* 2xAA/4xAA compressed depth with stencil (for depth buffer) */
2497 		tile[3] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2498 			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2499 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2500 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
2501 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2502 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2503 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2504 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2505 		/* Maps w/ a dimension less than the 2D macro-tile dimensions (for mipmapped depth textures) */
2506 		tile[4] = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2507 			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2508 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2509 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2510 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2511 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2512 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2513 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2514 		/* Uncompressed 16bpp depth - and stencil buffer allocated with it */
2515 		tile[5] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2516 			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2517 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2518 			   TILE_SPLIT(split_equal_to_row_size) |
2519 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2520 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2521 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2522 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2523 		/* Uncompressed 32bpp depth - and stencil buffer allocated with it */
2524 		tile[6] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2525 			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2526 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2527 			   TILE_SPLIT(split_equal_to_row_size) |
2528 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2529 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2530 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2531 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2532 		/* Uncompressed 8bpp stencil without depth (drivers typically do not use) */
2533 		tile[7] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2534 			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2535 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2536 			   TILE_SPLIT(split_equal_to_row_size) |
2537 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2538 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2539 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2540 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2541 		/* 1D and 1D Array Surfaces */
2542 		tile[8] = (ARRAY_MODE(ARRAY_LINEAR_ALIGNED) |
2543 			   MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2544 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2545 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2546 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2547 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2548 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2549 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2550 		/* Displayable maps. */
2551 		tile[9] = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2552 			   MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2553 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2554 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2555 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2556 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2557 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2558 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2559 		/* Display 8bpp. */
2560 		tile[10] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2561 			   MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2562 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2563 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2564 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2565 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2566 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2567 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2568 		/* Display 16bpp. */
2569 		tile[11] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2570 			   MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2571 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2572 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2573 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2574 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2575 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2576 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2577 		/* Display 32bpp. */
2578 		tile[12] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2579 			   MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2580 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2581 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2582 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2583 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2584 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2585 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2586 		/* Thin. */
2587 		tile[13] = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2588 			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2589 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2590 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2591 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2592 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2593 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2594 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2595 		/* Thin 8 bpp. */
2596 		tile[14] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2597 			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2598 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2599 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2600 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2601 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2602 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2603 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2604 		/* Thin 16 bpp. */
2605 		tile[15] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2606 			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2607 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2608 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2609 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2610 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2611 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2612 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2613 		/* Thin 32 bpp. */
2614 		tile[16] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2615 			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2616 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2617 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2618 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2619 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2620 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2621 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2622 		/* Thin 64 bpp. */
2623 		tile[17] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2624 			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2625 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2626 			   TILE_SPLIT(split_equal_to_row_size) |
2627 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2628 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2629 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2630 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2631 		/* 8 bpp PRT. */
2632 		tile[21] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2633 			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2634 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2635 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2636 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2637 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_2) |
2638 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2639 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2640 		/* 16 bpp PRT */
2641 		tile[22] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2642 			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2643 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2644 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2645 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2646 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2647 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2648 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2649 		/* 32 bpp PRT */
2650 		tile[23] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2651 			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2652 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2653 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2654 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2655 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2656 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2657 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2658 		/* 64 bpp PRT */
2659 		tile[24] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2660 			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2661 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2662 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2663 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2664 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2665 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2666 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2667 		/* 128 bpp PRT */
2668 		tile[25] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2669 			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2670 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2671 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_1KB) |
2672 			   NUM_BANKS(ADDR_SURF_8_BANK) |
2673 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2674 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2675 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2676 
2677 		for (reg_offset = 0; reg_offset < num_tile_mode_states; reg_offset++)
2678 			WREG32(GB_TILE_MODE0 + (reg_offset * 4), tile[reg_offset]);
2679 		break;
2680 
2681 	case CHIP_VERDE:
2682 	case CHIP_OLAND:
2683 	case CHIP_HAINAN:
2684 		/* non-AA compressed depth or any compressed stencil */
2685 		tile[0] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2686 			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2687 			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2688 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2689 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2690 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2691 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2692 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2693 		/* 2xAA/4xAA compressed depth only */
2694 		tile[1] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2695 			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2696 			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2697 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
2698 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2699 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2700 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2701 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2702 		/* 8xAA compressed depth only */
2703 		tile[2] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2704 			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2705 			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2706 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2707 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2708 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2709 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2710 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2711 		/* 2xAA/4xAA compressed depth with stencil (for depth buffer) */
2712 		tile[3] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2713 			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2714 			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2715 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
2716 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2717 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2718 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2719 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2720 		/* Maps w/ a dimension less than the 2D macro-tile dimensions (for mipmapped depth textures) */
2721 		tile[4] = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2722 			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2723 			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2724 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2725 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2726 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2727 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2728 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2729 		/* Uncompressed 16bpp depth - and stencil buffer allocated with it */
2730 		tile[5] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2731 			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2732 			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2733 			   TILE_SPLIT(split_equal_to_row_size) |
2734 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2735 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2736 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2737 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2738 		/* Uncompressed 32bpp depth - and stencil buffer allocated with it */
2739 		tile[6] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2740 			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2741 			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2742 			   TILE_SPLIT(split_equal_to_row_size) |
2743 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2744 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2745 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2746 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2747 		/* Uncompressed 8bpp stencil without depth (drivers typically do not use) */
2748 		tile[7] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2749 			   MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2750 			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2751 			   TILE_SPLIT(split_equal_to_row_size) |
2752 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2753 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2754 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2755 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2756 		/* 1D and 1D Array Surfaces */
2757 		tile[8] = (ARRAY_MODE(ARRAY_LINEAR_ALIGNED) |
2758 			   MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2759 			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2760 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2761 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2762 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2763 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2764 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2765 		/* Displayable maps. */
2766 		tile[9] = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2767 			   MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2768 			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2769 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2770 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2771 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2772 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2773 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2774 		/* Display 8bpp. */
2775 		tile[10] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2776 			   MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2777 			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2778 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2779 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2780 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2781 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2782 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2783 		/* Display 16bpp. */
2784 		tile[11] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2785 			   MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2786 			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2787 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2788 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2789 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2790 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2791 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2792 		/* Display 32bpp. */
2793 		tile[12] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2794 			   MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2795 			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2796 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2797 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2798 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2799 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2800 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2801 		/* Thin. */
2802 		tile[13] = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2803 			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2804 			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2805 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2806 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2807 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2808 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2809 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2810 		/* Thin 8 bpp. */
2811 		tile[14] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2812 			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2813 			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2814 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2815 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2816 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2817 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2818 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2819 		/* Thin 16 bpp. */
2820 		tile[15] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2821 			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2822 			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2823 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2824 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2825 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2826 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2827 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2828 		/* Thin 32 bpp. */
2829 		tile[16] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2830 			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2831 			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2832 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2833 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2834 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2835 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2836 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2837 		/* Thin 64 bpp. */
2838 		tile[17] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2839 			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2840 			   PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2841 			   TILE_SPLIT(split_equal_to_row_size) |
2842 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2843 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2844 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2845 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2846 		/* 8 bpp PRT. */
2847 		tile[21] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2848 			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2849 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2850 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2851 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2852 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_2) |
2853 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2854 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2855 		/* 16 bpp PRT */
2856 		tile[22] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2857 			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2858 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2859 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2860 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2861 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2862 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2863 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2864 		/* 32 bpp PRT */
2865 		tile[23] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2866 			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2867 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2868 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2869 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2870 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2871 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2872 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2873 		/* 64 bpp PRT */
2874 		tile[24] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2875 			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2876 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2877 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2878 			   NUM_BANKS(ADDR_SURF_16_BANK) |
2879 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2880 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2881 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2882 		/* 128 bpp PRT */
2883 		tile[25] = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2884 			   MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2885 			   PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2886 			   TILE_SPLIT(ADDR_SURF_TILE_SPLIT_1KB) |
2887 			   NUM_BANKS(ADDR_SURF_8_BANK) |
2888 			   BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2889 			   BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2890 			   MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2891 
2892 		for (reg_offset = 0; reg_offset < num_tile_mode_states; reg_offset++)
2893 			WREG32(GB_TILE_MODE0 + (reg_offset * 4), tile[reg_offset]);
2894 		break;
2895 
2896 	default:
2897 		DRM_ERROR("unknown asic: 0x%x\n", rdev->family);
2898 	}
2899 }
2900 
2901 static void si_select_se_sh(struct radeon_device *rdev,
2902 			    u32 se_num, u32 sh_num)
2903 {
2904 	u32 data = INSTANCE_BROADCAST_WRITES;
2905 
2906 	if ((se_num == 0xffffffff) && (sh_num == 0xffffffff))
2907 		data |= SH_BROADCAST_WRITES | SE_BROADCAST_WRITES;
2908 	else if (se_num == 0xffffffff)
2909 		data |= SE_BROADCAST_WRITES | SH_INDEX(sh_num);
2910 	else if (sh_num == 0xffffffff)
2911 		data |= SH_BROADCAST_WRITES | SE_INDEX(se_num);
2912 	else
2913 		data |= SH_INDEX(sh_num) | SE_INDEX(se_num);
2914 	WREG32(GRBM_GFX_INDEX, data);
2915 }
2916 
2917 static u32 si_create_bitmask(u32 bit_width)
2918 {
2919 	u32 i, mask = 0;
2920 
2921 	for (i = 0; i < bit_width; i++) {
2922 		mask <<= 1;
2923 		mask |= 1;
2924 	}
2925 	return mask;
2926 }
2927 
2928 static u32 si_get_cu_enabled(struct radeon_device *rdev, u32 cu_per_sh)
2929 {
2930 	u32 data, mask;
2931 
2932 	data = RREG32(CC_GC_SHADER_ARRAY_CONFIG);
2933 	if (data & 1)
2934 		data &= INACTIVE_CUS_MASK;
2935 	else
2936 		data = 0;
2937 	data |= RREG32(GC_USER_SHADER_ARRAY_CONFIG);
2938 
2939 	data >>= INACTIVE_CUS_SHIFT;
2940 
2941 	mask = si_create_bitmask(cu_per_sh);
2942 
2943 	return ~data & mask;
2944 }
2945 
2946 static void si_setup_spi(struct radeon_device *rdev,
2947 			 u32 se_num, u32 sh_per_se,
2948 			 u32 cu_per_sh)
2949 {
2950 	int i, j, k;
2951 	u32 data, mask, active_cu;
2952 
2953 	for (i = 0; i < se_num; i++) {
2954 		for (j = 0; j < sh_per_se; j++) {
2955 			si_select_se_sh(rdev, i, j);
2956 			data = RREG32(SPI_STATIC_THREAD_MGMT_3);
2957 			active_cu = si_get_cu_enabled(rdev, cu_per_sh);
2958 
2959 			mask = 1;
2960 			for (k = 0; k < 16; k++) {
2961 				mask <<= k;
2962 				if (active_cu & mask) {
2963 					data &= ~mask;
2964 					WREG32(SPI_STATIC_THREAD_MGMT_3, data);
2965 					break;
2966 				}
2967 			}
2968 		}
2969 	}
2970 	si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
2971 }
2972 
2973 static u32 si_get_rb_disabled(struct radeon_device *rdev,
2974 			      u32 max_rb_num_per_se,
2975 			      u32 sh_per_se)
2976 {
2977 	u32 data, mask;
2978 
2979 	data = RREG32(CC_RB_BACKEND_DISABLE);
2980 	if (data & 1)
2981 		data &= BACKEND_DISABLE_MASK;
2982 	else
2983 		data = 0;
2984 	data |= RREG32(GC_USER_RB_BACKEND_DISABLE);
2985 
2986 	data >>= BACKEND_DISABLE_SHIFT;
2987 
2988 	mask = si_create_bitmask(max_rb_num_per_se / sh_per_se);
2989 
2990 	return data & mask;
2991 }
2992 
2993 static void si_setup_rb(struct radeon_device *rdev,
2994 			u32 se_num, u32 sh_per_se,
2995 			u32 max_rb_num_per_se)
2996 {
2997 	int i, j;
2998 	u32 data, mask;
2999 	u32 disabled_rbs = 0;
3000 	u32 enabled_rbs = 0;
3001 
3002 	for (i = 0; i < se_num; i++) {
3003 		for (j = 0; j < sh_per_se; j++) {
3004 			si_select_se_sh(rdev, i, j);
3005 			data = si_get_rb_disabled(rdev, max_rb_num_per_se, sh_per_se);
3006 			disabled_rbs |= data << ((i * sh_per_se + j) * TAHITI_RB_BITMAP_WIDTH_PER_SH);
3007 		}
3008 	}
3009 	si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
3010 
3011 	mask = 1;
3012 	for (i = 0; i < max_rb_num_per_se * se_num; i++) {
3013 		if (!(disabled_rbs & mask))
3014 			enabled_rbs |= mask;
3015 		mask <<= 1;
3016 	}
3017 
3018 	rdev->config.si.backend_enable_mask = enabled_rbs;
3019 
3020 	for (i = 0; i < se_num; i++) {
3021 		si_select_se_sh(rdev, i, 0xffffffff);
3022 		data = 0;
3023 		for (j = 0; j < sh_per_se; j++) {
3024 			switch (enabled_rbs & 3) {
3025 			case 1:
3026 				data |= (RASTER_CONFIG_RB_MAP_0 << (i * sh_per_se + j) * 2);
3027 				break;
3028 			case 2:
3029 				data |= (RASTER_CONFIG_RB_MAP_3 << (i * sh_per_se + j) * 2);
3030 				break;
3031 			case 3:
3032 			default:
3033 				data |= (RASTER_CONFIG_RB_MAP_2 << (i * sh_per_se + j) * 2);
3034 				break;
3035 			}
3036 			enabled_rbs >>= 2;
3037 		}
3038 		WREG32(PA_SC_RASTER_CONFIG, data);
3039 	}
3040 	si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
3041 }
3042 
3043 static void si_gpu_init(struct radeon_device *rdev)
3044 {
3045 	u32 gb_addr_config = 0;
3046 	u32 mc_shared_chmap, mc_arb_ramcfg;
3047 	u32 sx_debug_1;
3048 	u32 hdp_host_path_cntl;
3049 	u32 tmp;
3050 	int i, j;
3051 
3052 	switch (rdev->family) {
3053 	case CHIP_TAHITI:
3054 		rdev->config.si.max_shader_engines = 2;
3055 		rdev->config.si.max_tile_pipes = 12;
3056 		rdev->config.si.max_cu_per_sh = 8;
3057 		rdev->config.si.max_sh_per_se = 2;
3058 		rdev->config.si.max_backends_per_se = 4;
3059 		rdev->config.si.max_texture_channel_caches = 12;
3060 		rdev->config.si.max_gprs = 256;
3061 		rdev->config.si.max_gs_threads = 32;
3062 		rdev->config.si.max_hw_contexts = 8;
3063 
3064 		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
3065 		rdev->config.si.sc_prim_fifo_size_backend = 0x100;
3066 		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
3067 		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
3068 		gb_addr_config = TAHITI_GB_ADDR_CONFIG_GOLDEN;
3069 		break;
3070 	case CHIP_PITCAIRN:
3071 		rdev->config.si.max_shader_engines = 2;
3072 		rdev->config.si.max_tile_pipes = 8;
3073 		rdev->config.si.max_cu_per_sh = 5;
3074 		rdev->config.si.max_sh_per_se = 2;
3075 		rdev->config.si.max_backends_per_se = 4;
3076 		rdev->config.si.max_texture_channel_caches = 8;
3077 		rdev->config.si.max_gprs = 256;
3078 		rdev->config.si.max_gs_threads = 32;
3079 		rdev->config.si.max_hw_contexts = 8;
3080 
3081 		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
3082 		rdev->config.si.sc_prim_fifo_size_backend = 0x100;
3083 		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
3084 		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
3085 		gb_addr_config = TAHITI_GB_ADDR_CONFIG_GOLDEN;
3086 		break;
3087 	case CHIP_VERDE:
3088 	default:
3089 		rdev->config.si.max_shader_engines = 1;
3090 		rdev->config.si.max_tile_pipes = 4;
3091 		rdev->config.si.max_cu_per_sh = 5;
3092 		rdev->config.si.max_sh_per_se = 2;
3093 		rdev->config.si.max_backends_per_se = 4;
3094 		rdev->config.si.max_texture_channel_caches = 4;
3095 		rdev->config.si.max_gprs = 256;
3096 		rdev->config.si.max_gs_threads = 32;
3097 		rdev->config.si.max_hw_contexts = 8;
3098 
3099 		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
3100 		rdev->config.si.sc_prim_fifo_size_backend = 0x40;
3101 		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
3102 		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
3103 		gb_addr_config = VERDE_GB_ADDR_CONFIG_GOLDEN;
3104 		break;
3105 	case CHIP_OLAND:
3106 		rdev->config.si.max_shader_engines = 1;
3107 		rdev->config.si.max_tile_pipes = 4;
3108 		rdev->config.si.max_cu_per_sh = 6;
3109 		rdev->config.si.max_sh_per_se = 1;
3110 		rdev->config.si.max_backends_per_se = 2;
3111 		rdev->config.si.max_texture_channel_caches = 4;
3112 		rdev->config.si.max_gprs = 256;
3113 		rdev->config.si.max_gs_threads = 16;
3114 		rdev->config.si.max_hw_contexts = 8;
3115 
3116 		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
3117 		rdev->config.si.sc_prim_fifo_size_backend = 0x40;
3118 		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
3119 		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
3120 		gb_addr_config = VERDE_GB_ADDR_CONFIG_GOLDEN;
3121 		break;
3122 	case CHIP_HAINAN:
3123 		rdev->config.si.max_shader_engines = 1;
3124 		rdev->config.si.max_tile_pipes = 4;
3125 		rdev->config.si.max_cu_per_sh = 5;
3126 		rdev->config.si.max_sh_per_se = 1;
3127 		rdev->config.si.max_backends_per_se = 1;
3128 		rdev->config.si.max_texture_channel_caches = 2;
3129 		rdev->config.si.max_gprs = 256;
3130 		rdev->config.si.max_gs_threads = 16;
3131 		rdev->config.si.max_hw_contexts = 8;
3132 
3133 		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
3134 		rdev->config.si.sc_prim_fifo_size_backend = 0x40;
3135 		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
3136 		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
3137 		gb_addr_config = HAINAN_GB_ADDR_CONFIG_GOLDEN;
3138 		break;
3139 	}
3140 
3141 	/* Initialize HDP */
3142 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
3143 		WREG32((0x2c14 + j), 0x00000000);
3144 		WREG32((0x2c18 + j), 0x00000000);
3145 		WREG32((0x2c1c + j), 0x00000000);
3146 		WREG32((0x2c20 + j), 0x00000000);
3147 		WREG32((0x2c24 + j), 0x00000000);
3148 	}
3149 
3150 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
3151 	WREG32(SRBM_INT_CNTL, 1);
3152 	WREG32(SRBM_INT_ACK, 1);
3153 
3154 	evergreen_fix_pci_max_read_req_size(rdev);
3155 
3156 	WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
3157 
3158 	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
3159 	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
3160 
3161 	rdev->config.si.num_tile_pipes = rdev->config.si.max_tile_pipes;
3162 	rdev->config.si.mem_max_burst_length_bytes = 256;
3163 	tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
3164 	rdev->config.si.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
3165 	if (rdev->config.si.mem_row_size_in_kb > 4)
3166 		rdev->config.si.mem_row_size_in_kb = 4;
3167 	/* XXX use MC settings? */
3168 	rdev->config.si.shader_engine_tile_size = 32;
3169 	rdev->config.si.num_gpus = 1;
3170 	rdev->config.si.multi_gpu_tile_size = 64;
3171 
3172 	/* fix up row size */
3173 	gb_addr_config &= ~ROW_SIZE_MASK;
3174 	switch (rdev->config.si.mem_row_size_in_kb) {
3175 	case 1:
3176 	default:
3177 		gb_addr_config |= ROW_SIZE(0);
3178 		break;
3179 	case 2:
3180 		gb_addr_config |= ROW_SIZE(1);
3181 		break;
3182 	case 4:
3183 		gb_addr_config |= ROW_SIZE(2);
3184 		break;
3185 	}
3186 
3187 	/* setup tiling info dword.  gb_addr_config is not adequate since it does
3188 	 * not have bank info, so create a custom tiling dword.
3189 	 * bits 3:0   num_pipes
3190 	 * bits 7:4   num_banks
3191 	 * bits 11:8  group_size
3192 	 * bits 15:12 row_size
3193 	 */
3194 	rdev->config.si.tile_config = 0;
3195 	switch (rdev->config.si.num_tile_pipes) {
3196 	case 1:
3197 		rdev->config.si.tile_config |= (0 << 0);
3198 		break;
3199 	case 2:
3200 		rdev->config.si.tile_config |= (1 << 0);
3201 		break;
3202 	case 4:
3203 		rdev->config.si.tile_config |= (2 << 0);
3204 		break;
3205 	case 8:
3206 	default:
3207 		/* XXX what about 12? */
3208 		rdev->config.si.tile_config |= (3 << 0);
3209 		break;
3210 	}
3211 	switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
3212 	case 0: /* four banks */
3213 		rdev->config.si.tile_config |= 0 << 4;
3214 		break;
3215 	case 1: /* eight banks */
3216 		rdev->config.si.tile_config |= 1 << 4;
3217 		break;
3218 	case 2: /* sixteen banks */
3219 	default:
3220 		rdev->config.si.tile_config |= 2 << 4;
3221 		break;
3222 	}
3223 	rdev->config.si.tile_config |=
3224 		((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
3225 	rdev->config.si.tile_config |=
3226 		((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
3227 
3228 	WREG32(GB_ADDR_CONFIG, gb_addr_config);
3229 	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
3230 	WREG32(DMIF_ADDR_CALC, gb_addr_config);
3231 	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
3232 	WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
3233 	WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
3234 	if (rdev->has_uvd) {
3235 		WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
3236 		WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
3237 		WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
3238 	}
3239 
3240 	si_tiling_mode_table_init(rdev);
3241 
3242 	si_setup_rb(rdev, rdev->config.si.max_shader_engines,
3243 		    rdev->config.si.max_sh_per_se,
3244 		    rdev->config.si.max_backends_per_se);
3245 
3246 	si_setup_spi(rdev, rdev->config.si.max_shader_engines,
3247 		     rdev->config.si.max_sh_per_se,
3248 		     rdev->config.si.max_cu_per_sh);
3249 
3250 	rdev->config.si.active_cus = 0;
3251 	for (i = 0; i < rdev->config.si.max_shader_engines; i++) {
3252 		for (j = 0; j < rdev->config.si.max_sh_per_se; j++) {
3253 			rdev->config.si.active_cus +=
3254 				hweight32(si_get_cu_active_bitmap(rdev, i, j));
3255 		}
3256 	}
3257 
3258 	/* set HW defaults for 3D engine */
3259 	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
3260 				     ROQ_IB2_START(0x2b)));
3261 	WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
3262 
3263 	sx_debug_1 = RREG32(SX_DEBUG_1);
3264 	WREG32(SX_DEBUG_1, sx_debug_1);
3265 
3266 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
3267 
3268 	WREG32(PA_SC_FIFO_SIZE, (SC_FRONTEND_PRIM_FIFO_SIZE(rdev->config.si.sc_prim_fifo_size_frontend) |
3269 				 SC_BACKEND_PRIM_FIFO_SIZE(rdev->config.si.sc_prim_fifo_size_backend) |
3270 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.si.sc_hiz_tile_fifo_size) |
3271 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.si.sc_earlyz_tile_fifo_size)));
3272 
3273 	WREG32(VGT_NUM_INSTANCES, 1);
3274 
3275 	WREG32(CP_PERFMON_CNTL, 0);
3276 
3277 	WREG32(SQ_CONFIG, 0);
3278 
3279 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
3280 					  FORCE_EOV_MAX_REZ_CNT(255)));
3281 
3282 	WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
3283 	       AUTO_INVLD_EN(ES_AND_GS_AUTO));
3284 
3285 	WREG32(VGT_GS_VERTEX_REUSE, 16);
3286 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
3287 
3288 	WREG32(CB_PERFCOUNTER0_SELECT0, 0);
3289 	WREG32(CB_PERFCOUNTER0_SELECT1, 0);
3290 	WREG32(CB_PERFCOUNTER1_SELECT0, 0);
3291 	WREG32(CB_PERFCOUNTER1_SELECT1, 0);
3292 	WREG32(CB_PERFCOUNTER2_SELECT0, 0);
3293 	WREG32(CB_PERFCOUNTER2_SELECT1, 0);
3294 	WREG32(CB_PERFCOUNTER3_SELECT0, 0);
3295 	WREG32(CB_PERFCOUNTER3_SELECT1, 0);
3296 
3297 	tmp = RREG32(HDP_MISC_CNTL);
3298 	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
3299 	WREG32(HDP_MISC_CNTL, tmp);
3300 
3301 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
3302 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
3303 
3304 	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
3305 
3306 	udelay(50);
3307 }
3308 
3309 /*
3310  * GPU scratch registers helpers function.
3311  */
3312 static void si_scratch_init(struct radeon_device *rdev)
3313 {
3314 	int i;
3315 
3316 	rdev->scratch.num_reg = 7;
3317 	rdev->scratch.reg_base = SCRATCH_REG0;
3318 	for (i = 0; i < rdev->scratch.num_reg; i++) {
3319 		rdev->scratch.free[i] = true;
3320 		rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
3321 	}
3322 }
3323 
3324 void si_fence_ring_emit(struct radeon_device *rdev,
3325 			struct radeon_fence *fence)
3326 {
3327 	struct radeon_ring *ring = &rdev->ring[fence->ring];
3328 	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
3329 
3330 	/* flush read cache over gart */
3331 	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3332 	radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
3333 	radeon_ring_write(ring, 0);
3334 	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
3335 	radeon_ring_write(ring, PACKET3_TCL1_ACTION_ENA |
3336 			  PACKET3_TC_ACTION_ENA |
3337 			  PACKET3_SH_KCACHE_ACTION_ENA |
3338 			  PACKET3_SH_ICACHE_ACTION_ENA);
3339 	radeon_ring_write(ring, 0xFFFFFFFF);
3340 	radeon_ring_write(ring, 0);
3341 	radeon_ring_write(ring, 10); /* poll interval */
3342 	/* EVENT_WRITE_EOP - flush caches, send int */
3343 	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
3344 	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_TS_EVENT) | EVENT_INDEX(5));
3345 	radeon_ring_write(ring, lower_32_bits(addr));
3346 	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
3347 	radeon_ring_write(ring, fence->seq);
3348 	radeon_ring_write(ring, 0);
3349 }
3350 
3351 /*
3352  * IB stuff
3353  */
3354 void si_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3355 {
3356 	struct radeon_ring *ring = &rdev->ring[ib->ring];
3357 	unsigned vm_id = ib->vm ? ib->vm->ids[ib->ring].id : 0;
3358 	u32 header;
3359 
3360 	if (ib->is_const_ib) {
3361 		/* set switch buffer packet before const IB */
3362 		radeon_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
3363 		radeon_ring_write(ring, 0);
3364 
3365 		header = PACKET3(PACKET3_INDIRECT_BUFFER_CONST, 2);
3366 	} else {
3367 		u32 next_rptr;
3368 		if (ring->rptr_save_reg) {
3369 			next_rptr = ring->wptr + 3 + 4 + 8;
3370 			radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3371 			radeon_ring_write(ring, ((ring->rptr_save_reg -
3372 						  PACKET3_SET_CONFIG_REG_START) >> 2));
3373 			radeon_ring_write(ring, next_rptr);
3374 		} else if (rdev->wb.enabled) {
3375 			next_rptr = ring->wptr + 5 + 4 + 8;
3376 			radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
3377 			radeon_ring_write(ring, (1 << 8));
3378 			radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
3379 			radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr));
3380 			radeon_ring_write(ring, next_rptr);
3381 		}
3382 
3383 		header = PACKET3(PACKET3_INDIRECT_BUFFER, 2);
3384 	}
3385 
3386 	radeon_ring_write(ring, header);
3387 	radeon_ring_write(ring,
3388 #ifdef __BIG_ENDIAN
3389 			  (2 << 0) |
3390 #endif
3391 			  (ib->gpu_addr & 0xFFFFFFFC));
3392 	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFFFF);
3393 	radeon_ring_write(ring, ib->length_dw | (vm_id << 24));
3394 
3395 	if (!ib->is_const_ib) {
3396 		/* flush read cache over gart for this vmid */
3397 		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3398 		radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
3399 		radeon_ring_write(ring, vm_id);
3400 		radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
3401 		radeon_ring_write(ring, PACKET3_TCL1_ACTION_ENA |
3402 				  PACKET3_TC_ACTION_ENA |
3403 				  PACKET3_SH_KCACHE_ACTION_ENA |
3404 				  PACKET3_SH_ICACHE_ACTION_ENA);
3405 		radeon_ring_write(ring, 0xFFFFFFFF);
3406 		radeon_ring_write(ring, 0);
3407 		radeon_ring_write(ring, 10); /* poll interval */
3408 	}
3409 }
3410 
3411 /*
3412  * CP.
3413  */
3414 static void si_cp_enable(struct radeon_device *rdev, bool enable)
3415 {
3416 	if (enable)
3417 		WREG32(CP_ME_CNTL, 0);
3418 	else {
3419 		if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
3420 			radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
3421 		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT));
3422 		WREG32(SCRATCH_UMSK, 0);
3423 		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
3424 		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
3425 		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
3426 	}
3427 	udelay(50);
3428 }
3429 
3430 static int si_cp_load_microcode(struct radeon_device *rdev)
3431 {
3432 	int i;
3433 
3434 	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw)
3435 		return -EINVAL;
3436 
3437 	si_cp_enable(rdev, false);
3438 
3439 	if (rdev->new_fw) {
3440 		const struct gfx_firmware_header_v1_0 *pfp_hdr =
3441 			(const struct gfx_firmware_header_v1_0 *)rdev->pfp_fw->data;
3442 		const struct gfx_firmware_header_v1_0 *ce_hdr =
3443 			(const struct gfx_firmware_header_v1_0 *)rdev->ce_fw->data;
3444 		const struct gfx_firmware_header_v1_0 *me_hdr =
3445 			(const struct gfx_firmware_header_v1_0 *)rdev->me_fw->data;
3446 		const __le32 *fw_data;
3447 		u32 fw_size;
3448 
3449 		radeon_ucode_print_gfx_hdr(&pfp_hdr->header);
3450 		radeon_ucode_print_gfx_hdr(&ce_hdr->header);
3451 		radeon_ucode_print_gfx_hdr(&me_hdr->header);
3452 
3453 		/* PFP */
3454 		fw_data = (const __le32 *)
3455 			(rdev->pfp_fw->data + le32_to_cpu(pfp_hdr->header.ucode_array_offset_bytes));
3456 		fw_size = le32_to_cpu(pfp_hdr->header.ucode_size_bytes) / 4;
3457 		WREG32(CP_PFP_UCODE_ADDR, 0);
3458 		for (i = 0; i < fw_size; i++)
3459 			WREG32(CP_PFP_UCODE_DATA, le32_to_cpup(fw_data++));
3460 		WREG32(CP_PFP_UCODE_ADDR, 0);
3461 
3462 		/* CE */
3463 		fw_data = (const __le32 *)
3464 			(rdev->ce_fw->data + le32_to_cpu(ce_hdr->header.ucode_array_offset_bytes));
3465 		fw_size = le32_to_cpu(ce_hdr->header.ucode_size_bytes) / 4;
3466 		WREG32(CP_CE_UCODE_ADDR, 0);
3467 		for (i = 0; i < fw_size; i++)
3468 			WREG32(CP_CE_UCODE_DATA, le32_to_cpup(fw_data++));
3469 		WREG32(CP_CE_UCODE_ADDR, 0);
3470 
3471 		/* ME */
3472 		fw_data = (const __be32 *)
3473 			(rdev->me_fw->data + le32_to_cpu(me_hdr->header.ucode_array_offset_bytes));
3474 		fw_size = le32_to_cpu(me_hdr->header.ucode_size_bytes) / 4;
3475 		WREG32(CP_ME_RAM_WADDR, 0);
3476 		for (i = 0; i < fw_size; i++)
3477 			WREG32(CP_ME_RAM_DATA, le32_to_cpup(fw_data++));
3478 		WREG32(CP_ME_RAM_WADDR, 0);
3479 	} else {
3480 		const __be32 *fw_data;
3481 
3482 		/* PFP */
3483 		fw_data = (const __be32 *)rdev->pfp_fw->data;
3484 		WREG32(CP_PFP_UCODE_ADDR, 0);
3485 		for (i = 0; i < SI_PFP_UCODE_SIZE; i++)
3486 			WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
3487 		WREG32(CP_PFP_UCODE_ADDR, 0);
3488 
3489 		/* CE */
3490 		fw_data = (const __be32 *)rdev->ce_fw->data;
3491 		WREG32(CP_CE_UCODE_ADDR, 0);
3492 		for (i = 0; i < SI_CE_UCODE_SIZE; i++)
3493 			WREG32(CP_CE_UCODE_DATA, be32_to_cpup(fw_data++));
3494 		WREG32(CP_CE_UCODE_ADDR, 0);
3495 
3496 		/* ME */
3497 		fw_data = (const __be32 *)rdev->me_fw->data;
3498 		WREG32(CP_ME_RAM_WADDR, 0);
3499 		for (i = 0; i < SI_PM4_UCODE_SIZE; i++)
3500 			WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
3501 		WREG32(CP_ME_RAM_WADDR, 0);
3502 	}
3503 
3504 	WREG32(CP_PFP_UCODE_ADDR, 0);
3505 	WREG32(CP_CE_UCODE_ADDR, 0);
3506 	WREG32(CP_ME_RAM_WADDR, 0);
3507 	WREG32(CP_ME_RAM_RADDR, 0);
3508 	return 0;
3509 }
3510 
3511 static int si_cp_start(struct radeon_device *rdev)
3512 {
3513 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3514 	int r, i;
3515 
3516 	r = radeon_ring_lock(rdev, ring, 7 + 4);
3517 	if (r) {
3518 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3519 		return r;
3520 	}
3521 	/* init the CP */
3522 	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
3523 	radeon_ring_write(ring, 0x1);
3524 	radeon_ring_write(ring, 0x0);
3525 	radeon_ring_write(ring, rdev->config.si.max_hw_contexts - 1);
3526 	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
3527 	radeon_ring_write(ring, 0);
3528 	radeon_ring_write(ring, 0);
3529 
3530 	/* init the CE partitions */
3531 	radeon_ring_write(ring, PACKET3(PACKET3_SET_BASE, 2));
3532 	radeon_ring_write(ring, PACKET3_BASE_INDEX(CE_PARTITION_BASE));
3533 	radeon_ring_write(ring, 0xc000);
3534 	radeon_ring_write(ring, 0xe000);
3535 	radeon_ring_unlock_commit(rdev, ring, false);
3536 
3537 	si_cp_enable(rdev, true);
3538 
3539 	r = radeon_ring_lock(rdev, ring, si_default_size + 10);
3540 	if (r) {
3541 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3542 		return r;
3543 	}
3544 
3545 	/* setup clear context state */
3546 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
3547 	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
3548 
3549 	for (i = 0; i < si_default_size; i++)
3550 		radeon_ring_write(ring, si_default_state[i]);
3551 
3552 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
3553 	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
3554 
3555 	/* set clear context state */
3556 	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
3557 	radeon_ring_write(ring, 0);
3558 
3559 	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
3560 	radeon_ring_write(ring, 0x00000316);
3561 	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
3562 	radeon_ring_write(ring, 0x00000010); /* VGT_OUT_DEALLOC_CNTL */
3563 
3564 	radeon_ring_unlock_commit(rdev, ring, false);
3565 
3566 	for (i = RADEON_RING_TYPE_GFX_INDEX; i <= CAYMAN_RING_TYPE_CP2_INDEX; ++i) {
3567 		ring = &rdev->ring[i];
3568 		r = radeon_ring_lock(rdev, ring, 2);
3569 
3570 		/* clear the compute context state */
3571 		radeon_ring_write(ring, PACKET3_COMPUTE(PACKET3_CLEAR_STATE, 0));
3572 		radeon_ring_write(ring, 0);
3573 
3574 		radeon_ring_unlock_commit(rdev, ring, false);
3575 	}
3576 
3577 	return 0;
3578 }
3579 
3580 static void si_cp_fini(struct radeon_device *rdev)
3581 {
3582 	struct radeon_ring *ring;
3583 	si_cp_enable(rdev, false);
3584 
3585 	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3586 	radeon_ring_fini(rdev, ring);
3587 	radeon_scratch_free(rdev, ring->rptr_save_reg);
3588 
3589 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
3590 	radeon_ring_fini(rdev, ring);
3591 	radeon_scratch_free(rdev, ring->rptr_save_reg);
3592 
3593 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
3594 	radeon_ring_fini(rdev, ring);
3595 	radeon_scratch_free(rdev, ring->rptr_save_reg);
3596 }
3597 
3598 static int si_cp_resume(struct radeon_device *rdev)
3599 {
3600 	struct radeon_ring *ring;
3601 	u32 tmp;
3602 	u32 rb_bufsz;
3603 	int r;
3604 
3605 	si_enable_gui_idle_interrupt(rdev, false);
3606 
3607 	WREG32(CP_SEM_WAIT_TIMER, 0x0);
3608 	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
3609 
3610 	/* Set the write pointer delay */
3611 	WREG32(CP_RB_WPTR_DELAY, 0);
3612 
3613 	WREG32(CP_DEBUG, 0);
3614 	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
3615 
3616 	/* ring 0 - compute and gfx */
3617 	/* Set ring buffer size */
3618 	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3619 	rb_bufsz = order_base_2(ring->ring_size / 8);
3620 	tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
3621 #ifdef __BIG_ENDIAN
3622 	tmp |= BUF_SWAP_32BIT;
3623 #endif
3624 	WREG32(CP_RB0_CNTL, tmp);
3625 
3626 	/* Initialize the ring buffer's read and write pointers */
3627 	WREG32(CP_RB0_CNTL, tmp | RB_RPTR_WR_ENA);
3628 	ring->wptr = 0;
3629 	WREG32(CP_RB0_WPTR, ring->wptr);
3630 
3631 	/* set the wb address whether it's enabled or not */
3632 	WREG32(CP_RB0_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC);
3633 	WREG32(CP_RB0_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
3634 
3635 	if (rdev->wb.enabled)
3636 		WREG32(SCRATCH_UMSK, 0xff);
3637 	else {
3638 		tmp |= RB_NO_UPDATE;
3639 		WREG32(SCRATCH_UMSK, 0);
3640 	}
3641 
3642 	mdelay(1);
3643 	WREG32(CP_RB0_CNTL, tmp);
3644 
3645 	WREG32(CP_RB0_BASE, ring->gpu_addr >> 8);
3646 
3647 	/* ring1  - compute only */
3648 	/* Set ring buffer size */
3649 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
3650 	rb_bufsz = order_base_2(ring->ring_size / 8);
3651 	tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
3652 #ifdef __BIG_ENDIAN
3653 	tmp |= BUF_SWAP_32BIT;
3654 #endif
3655 	WREG32(CP_RB1_CNTL, tmp);
3656 
3657 	/* Initialize the ring buffer's read and write pointers */
3658 	WREG32(CP_RB1_CNTL, tmp | RB_RPTR_WR_ENA);
3659 	ring->wptr = 0;
3660 	WREG32(CP_RB1_WPTR, ring->wptr);
3661 
3662 	/* set the wb address whether it's enabled or not */
3663 	WREG32(CP_RB1_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFFFFFFFC);
3664 	WREG32(CP_RB1_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFF);
3665 
3666 	mdelay(1);
3667 	WREG32(CP_RB1_CNTL, tmp);
3668 
3669 	WREG32(CP_RB1_BASE, ring->gpu_addr >> 8);
3670 
3671 	/* ring2 - compute only */
3672 	/* Set ring buffer size */
3673 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
3674 	rb_bufsz = order_base_2(ring->ring_size / 8);
3675 	tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
3676 #ifdef __BIG_ENDIAN
3677 	tmp |= BUF_SWAP_32BIT;
3678 #endif
3679 	WREG32(CP_RB2_CNTL, tmp);
3680 
3681 	/* Initialize the ring buffer's read and write pointers */
3682 	WREG32(CP_RB2_CNTL, tmp | RB_RPTR_WR_ENA);
3683 	ring->wptr = 0;
3684 	WREG32(CP_RB2_WPTR, ring->wptr);
3685 
3686 	/* set the wb address whether it's enabled or not */
3687 	WREG32(CP_RB2_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFFFFFFFC);
3688 	WREG32(CP_RB2_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFF);
3689 
3690 	mdelay(1);
3691 	WREG32(CP_RB2_CNTL, tmp);
3692 
3693 	WREG32(CP_RB2_BASE, ring->gpu_addr >> 8);
3694 
3695 	/* start the rings */
3696 	si_cp_start(rdev);
3697 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
3698 	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = true;
3699 	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = true;
3700 	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
3701 	if (r) {
3702 		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
3703 		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
3704 		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
3705 		return r;
3706 	}
3707 	r = radeon_ring_test(rdev, CAYMAN_RING_TYPE_CP1_INDEX, &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX]);
3708 	if (r) {
3709 		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
3710 	}
3711 	r = radeon_ring_test(rdev, CAYMAN_RING_TYPE_CP2_INDEX, &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX]);
3712 	if (r) {
3713 		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
3714 	}
3715 
3716 	si_enable_gui_idle_interrupt(rdev, true);
3717 
3718 	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
3719 		radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
3720 
3721 	return 0;
3722 }
3723 
3724 u32 si_gpu_check_soft_reset(struct radeon_device *rdev)
3725 {
3726 	u32 reset_mask = 0;
3727 	u32 tmp;
3728 
3729 	/* GRBM_STATUS */
3730 	tmp = RREG32(GRBM_STATUS);
3731 	if (tmp & (PA_BUSY | SC_BUSY |
3732 		   BCI_BUSY | SX_BUSY |
3733 		   TA_BUSY | VGT_BUSY |
3734 		   DB_BUSY | CB_BUSY |
3735 		   GDS_BUSY | SPI_BUSY |
3736 		   IA_BUSY | IA_BUSY_NO_DMA))
3737 		reset_mask |= RADEON_RESET_GFX;
3738 
3739 	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
3740 		   CP_BUSY | CP_COHERENCY_BUSY))
3741 		reset_mask |= RADEON_RESET_CP;
3742 
3743 	if (tmp & GRBM_EE_BUSY)
3744 		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
3745 
3746 	/* GRBM_STATUS2 */
3747 	tmp = RREG32(GRBM_STATUS2);
3748 	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
3749 		reset_mask |= RADEON_RESET_RLC;
3750 
3751 	/* DMA_STATUS_REG 0 */
3752 	tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
3753 	if (!(tmp & DMA_IDLE))
3754 		reset_mask |= RADEON_RESET_DMA;
3755 
3756 	/* DMA_STATUS_REG 1 */
3757 	tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
3758 	if (!(tmp & DMA_IDLE))
3759 		reset_mask |= RADEON_RESET_DMA1;
3760 
3761 	/* SRBM_STATUS2 */
3762 	tmp = RREG32(SRBM_STATUS2);
3763 	if (tmp & DMA_BUSY)
3764 		reset_mask |= RADEON_RESET_DMA;
3765 
3766 	if (tmp & DMA1_BUSY)
3767 		reset_mask |= RADEON_RESET_DMA1;
3768 
3769 	/* SRBM_STATUS */
3770 	tmp = RREG32(SRBM_STATUS);
3771 
3772 	if (tmp & IH_BUSY)
3773 		reset_mask |= RADEON_RESET_IH;
3774 
3775 	if (tmp & SEM_BUSY)
3776 		reset_mask |= RADEON_RESET_SEM;
3777 
3778 	if (tmp & GRBM_RQ_PENDING)
3779 		reset_mask |= RADEON_RESET_GRBM;
3780 
3781 	if (tmp & VMC_BUSY)
3782 		reset_mask |= RADEON_RESET_VMC;
3783 
3784 	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
3785 		   MCC_BUSY | MCD_BUSY))
3786 		reset_mask |= RADEON_RESET_MC;
3787 
3788 	if (evergreen_is_display_hung(rdev))
3789 		reset_mask |= RADEON_RESET_DISPLAY;
3790 
3791 	/* VM_L2_STATUS */
3792 	tmp = RREG32(VM_L2_STATUS);
3793 	if (tmp & L2_BUSY)
3794 		reset_mask |= RADEON_RESET_VMC;
3795 
3796 	/* Skip MC reset as it's mostly likely not hung, just busy */
3797 	if (reset_mask & RADEON_RESET_MC) {
3798 		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
3799 		reset_mask &= ~RADEON_RESET_MC;
3800 	}
3801 
3802 	return reset_mask;
3803 }
3804 
3805 static void si_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
3806 {
3807 	struct evergreen_mc_save save;
3808 	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
3809 	u32 tmp;
3810 
3811 	if (reset_mask == 0)
3812 		return;
3813 
3814 	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
3815 
3816 	evergreen_print_gpu_status_regs(rdev);
3817 	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
3818 		 RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR));
3819 	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
3820 		 RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS));
3821 
3822 	/* disable PG/CG */
3823 	si_fini_pg(rdev);
3824 	si_fini_cg(rdev);
3825 
3826 	/* stop the rlc */
3827 	si_rlc_stop(rdev);
3828 
3829 	/* Disable CP parsing/prefetching */
3830 	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT);
3831 
3832 	if (reset_mask & RADEON_RESET_DMA) {
3833 		/* dma0 */
3834 		tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
3835 		tmp &= ~DMA_RB_ENABLE;
3836 		WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
3837 	}
3838 	if (reset_mask & RADEON_RESET_DMA1) {
3839 		/* dma1 */
3840 		tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
3841 		tmp &= ~DMA_RB_ENABLE;
3842 		WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
3843 	}
3844 
3845 	udelay(50);
3846 
3847 	evergreen_mc_stop(rdev, &save);
3848 	if (evergreen_mc_wait_for_idle(rdev)) {
3849 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
3850 	}
3851 
3852 	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE | RADEON_RESET_CP)) {
3853 		grbm_soft_reset = SOFT_RESET_CB |
3854 			SOFT_RESET_DB |
3855 			SOFT_RESET_GDS |
3856 			SOFT_RESET_PA |
3857 			SOFT_RESET_SC |
3858 			SOFT_RESET_BCI |
3859 			SOFT_RESET_SPI |
3860 			SOFT_RESET_SX |
3861 			SOFT_RESET_TC |
3862 			SOFT_RESET_TA |
3863 			SOFT_RESET_VGT |
3864 			SOFT_RESET_IA;
3865 	}
3866 
3867 	if (reset_mask & RADEON_RESET_CP) {
3868 		grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
3869 
3870 		srbm_soft_reset |= SOFT_RESET_GRBM;
3871 	}
3872 
3873 	if (reset_mask & RADEON_RESET_DMA)
3874 		srbm_soft_reset |= SOFT_RESET_DMA;
3875 
3876 	if (reset_mask & RADEON_RESET_DMA1)
3877 		srbm_soft_reset |= SOFT_RESET_DMA1;
3878 
3879 	if (reset_mask & RADEON_RESET_DISPLAY)
3880 		srbm_soft_reset |= SOFT_RESET_DC;
3881 
3882 	if (reset_mask & RADEON_RESET_RLC)
3883 		grbm_soft_reset |= SOFT_RESET_RLC;
3884 
3885 	if (reset_mask & RADEON_RESET_SEM)
3886 		srbm_soft_reset |= SOFT_RESET_SEM;
3887 
3888 	if (reset_mask & RADEON_RESET_IH)
3889 		srbm_soft_reset |= SOFT_RESET_IH;
3890 
3891 	if (reset_mask & RADEON_RESET_GRBM)
3892 		srbm_soft_reset |= SOFT_RESET_GRBM;
3893 
3894 	if (reset_mask & RADEON_RESET_VMC)
3895 		srbm_soft_reset |= SOFT_RESET_VMC;
3896 
3897 	if (reset_mask & RADEON_RESET_MC)
3898 		srbm_soft_reset |= SOFT_RESET_MC;
3899 
3900 	if (grbm_soft_reset) {
3901 		tmp = RREG32(GRBM_SOFT_RESET);
3902 		tmp |= grbm_soft_reset;
3903 		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
3904 		WREG32(GRBM_SOFT_RESET, tmp);
3905 		tmp = RREG32(GRBM_SOFT_RESET);
3906 
3907 		udelay(50);
3908 
3909 		tmp &= ~grbm_soft_reset;
3910 		WREG32(GRBM_SOFT_RESET, tmp);
3911 		tmp = RREG32(GRBM_SOFT_RESET);
3912 	}
3913 
3914 	if (srbm_soft_reset) {
3915 		tmp = RREG32(SRBM_SOFT_RESET);
3916 		tmp |= srbm_soft_reset;
3917 		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3918 		WREG32(SRBM_SOFT_RESET, tmp);
3919 		tmp = RREG32(SRBM_SOFT_RESET);
3920 
3921 		udelay(50);
3922 
3923 		tmp &= ~srbm_soft_reset;
3924 		WREG32(SRBM_SOFT_RESET, tmp);
3925 		tmp = RREG32(SRBM_SOFT_RESET);
3926 	}
3927 
3928 	/* Wait a little for things to settle down */
3929 	udelay(50);
3930 
3931 	evergreen_mc_resume(rdev, &save);
3932 	udelay(50);
3933 
3934 	evergreen_print_gpu_status_regs(rdev);
3935 }
3936 
3937 static void si_set_clk_bypass_mode(struct radeon_device *rdev)
3938 {
3939 	u32 tmp, i;
3940 
3941 	tmp = RREG32(CG_SPLL_FUNC_CNTL);
3942 	tmp |= SPLL_BYPASS_EN;
3943 	WREG32(CG_SPLL_FUNC_CNTL, tmp);
3944 
3945 	tmp = RREG32(CG_SPLL_FUNC_CNTL_2);
3946 	tmp |= SPLL_CTLREQ_CHG;
3947 	WREG32(CG_SPLL_FUNC_CNTL_2, tmp);
3948 
3949 	for (i = 0; i < rdev->usec_timeout; i++) {
3950 		if (RREG32(SPLL_STATUS) & SPLL_CHG_STATUS)
3951 			break;
3952 		udelay(1);
3953 	}
3954 
3955 	tmp = RREG32(CG_SPLL_FUNC_CNTL_2);
3956 	tmp &= ~(SPLL_CTLREQ_CHG | SCLK_MUX_UPDATE);
3957 	WREG32(CG_SPLL_FUNC_CNTL_2, tmp);
3958 
3959 	tmp = RREG32(MPLL_CNTL_MODE);
3960 	tmp &= ~MPLL_MCLK_SEL;
3961 	WREG32(MPLL_CNTL_MODE, tmp);
3962 }
3963 
3964 static void si_spll_powerdown(struct radeon_device *rdev)
3965 {
3966 	u32 tmp;
3967 
3968 	tmp = RREG32(SPLL_CNTL_MODE);
3969 	tmp |= SPLL_SW_DIR_CONTROL;
3970 	WREG32(SPLL_CNTL_MODE, tmp);
3971 
3972 	tmp = RREG32(CG_SPLL_FUNC_CNTL);
3973 	tmp |= SPLL_RESET;
3974 	WREG32(CG_SPLL_FUNC_CNTL, tmp);
3975 
3976 	tmp = RREG32(CG_SPLL_FUNC_CNTL);
3977 	tmp |= SPLL_SLEEP;
3978 	WREG32(CG_SPLL_FUNC_CNTL, tmp);
3979 
3980 	tmp = RREG32(SPLL_CNTL_MODE);
3981 	tmp &= ~SPLL_SW_DIR_CONTROL;
3982 	WREG32(SPLL_CNTL_MODE, tmp);
3983 }
3984 
3985 static void si_gpu_pci_config_reset(struct radeon_device *rdev)
3986 {
3987 	struct evergreen_mc_save save;
3988 	u32 tmp, i;
3989 
3990 	dev_info(rdev->dev, "GPU pci config reset\n");
3991 
3992 	/* disable dpm? */
3993 
3994 	/* disable cg/pg */
3995 	si_fini_pg(rdev);
3996 	si_fini_cg(rdev);
3997 
3998 	/* Disable CP parsing/prefetching */
3999 	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT);
4000 	/* dma0 */
4001 	tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
4002 	tmp &= ~DMA_RB_ENABLE;
4003 	WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
4004 	/* dma1 */
4005 	tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
4006 	tmp &= ~DMA_RB_ENABLE;
4007 	WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
4008 	/* XXX other engines? */
4009 
4010 	/* halt the rlc, disable cp internal ints */
4011 	si_rlc_stop(rdev);
4012 
4013 	udelay(50);
4014 
4015 	/* disable mem access */
4016 	evergreen_mc_stop(rdev, &save);
4017 	if (evergreen_mc_wait_for_idle(rdev)) {
4018 		dev_warn(rdev->dev, "Wait for MC idle timed out !\n");
4019 	}
4020 
4021 	/* set mclk/sclk to bypass */
4022 	si_set_clk_bypass_mode(rdev);
4023 	/* powerdown spll */
4024 	si_spll_powerdown(rdev);
4025 	/* disable BM */
4026 	pci_clear_master(rdev->pdev);
4027 	/* reset */
4028 	radeon_pci_config_reset(rdev);
4029 	/* wait for asic to come out of reset */
4030 	for (i = 0; i < rdev->usec_timeout; i++) {
4031 		if (RREG32(CONFIG_MEMSIZE) != 0xffffffff)
4032 			break;
4033 		udelay(1);
4034 	}
4035 }
4036 
4037 int si_asic_reset(struct radeon_device *rdev, bool hard)
4038 {
4039 	u32 reset_mask;
4040 
4041 	if (hard) {
4042 		si_gpu_pci_config_reset(rdev);
4043 		return 0;
4044 	}
4045 
4046 	reset_mask = si_gpu_check_soft_reset(rdev);
4047 
4048 	if (reset_mask)
4049 		r600_set_bios_scratch_engine_hung(rdev, true);
4050 
4051 	/* try soft reset */
4052 	si_gpu_soft_reset(rdev, reset_mask);
4053 
4054 	reset_mask = si_gpu_check_soft_reset(rdev);
4055 
4056 	/* try pci config reset */
4057 	if (reset_mask && radeon_hard_reset)
4058 		si_gpu_pci_config_reset(rdev);
4059 
4060 	reset_mask = si_gpu_check_soft_reset(rdev);
4061 
4062 	if (!reset_mask)
4063 		r600_set_bios_scratch_engine_hung(rdev, false);
4064 
4065 	return 0;
4066 }
4067 
4068 /**
4069  * si_gfx_is_lockup - Check if the GFX engine is locked up
4070  *
4071  * @rdev: radeon_device pointer
4072  * @ring: radeon_ring structure holding ring information
4073  *
4074  * Check if the GFX engine is locked up.
4075  * Returns true if the engine appears to be locked up, false if not.
4076  */
4077 bool si_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
4078 {
4079 	u32 reset_mask = si_gpu_check_soft_reset(rdev);
4080 
4081 	if (!(reset_mask & (RADEON_RESET_GFX |
4082 			    RADEON_RESET_COMPUTE |
4083 			    RADEON_RESET_CP))) {
4084 		radeon_ring_lockup_update(rdev, ring);
4085 		return false;
4086 	}
4087 	return radeon_ring_test_lockup(rdev, ring);
4088 }
4089 
4090 /* MC */
4091 static void si_mc_program(struct radeon_device *rdev)
4092 {
4093 	struct evergreen_mc_save save;
4094 	u32 tmp;
4095 	int i, j;
4096 
4097 	/* Initialize HDP */
4098 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
4099 		WREG32((0x2c14 + j), 0x00000000);
4100 		WREG32((0x2c18 + j), 0x00000000);
4101 		WREG32((0x2c1c + j), 0x00000000);
4102 		WREG32((0x2c20 + j), 0x00000000);
4103 		WREG32((0x2c24 + j), 0x00000000);
4104 	}
4105 	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
4106 
4107 	evergreen_mc_stop(rdev, &save);
4108 	if (radeon_mc_wait_for_idle(rdev)) {
4109 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
4110 	}
4111 	if (!ASIC_IS_NODCE(rdev))
4112 		/* Lockout access through VGA aperture*/
4113 		WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
4114 	/* Update configuration */
4115 	WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
4116 	       rdev->mc.vram_start >> 12);
4117 	WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
4118 	       rdev->mc.vram_end >> 12);
4119 	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR,
4120 	       rdev->vram_scratch.gpu_addr >> 12);
4121 	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
4122 	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
4123 	WREG32(MC_VM_FB_LOCATION, tmp);
4124 	/* XXX double check these! */
4125 	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
4126 	WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
4127 	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
4128 	WREG32(MC_VM_AGP_BASE, 0);
4129 	WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
4130 	WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
4131 	if (radeon_mc_wait_for_idle(rdev)) {
4132 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
4133 	}
4134 	evergreen_mc_resume(rdev, &save);
4135 	if (!ASIC_IS_NODCE(rdev)) {
4136 		/* we need to own VRAM, so turn off the VGA renderer here
4137 		 * to stop it overwriting our objects */
4138 		rv515_vga_render_disable(rdev);
4139 	}
4140 }
4141 
4142 void si_vram_gtt_location(struct radeon_device *rdev,
4143 			  struct radeon_mc *mc)
4144 {
4145 	if (mc->mc_vram_size > 0xFFC0000000ULL) {
4146 		/* leave room for at least 1024M GTT */
4147 		dev_warn(rdev->dev, "limiting VRAM\n");
4148 		mc->real_vram_size = 0xFFC0000000ULL;
4149 		mc->mc_vram_size = 0xFFC0000000ULL;
4150 	}
4151 	radeon_vram_location(rdev, &rdev->mc, 0);
4152 	rdev->mc.gtt_base_align = 0;
4153 	radeon_gtt_location(rdev, mc);
4154 }
4155 
4156 static int si_mc_init(struct radeon_device *rdev)
4157 {
4158 	u32 tmp;
4159 	int chansize, numchan;
4160 
4161 	/* Get VRAM informations */
4162 	rdev->mc.vram_is_ddr = true;
4163 	tmp = RREG32(MC_ARB_RAMCFG);
4164 	if (tmp & CHANSIZE_OVERRIDE) {
4165 		chansize = 16;
4166 	} else if (tmp & CHANSIZE_MASK) {
4167 		chansize = 64;
4168 	} else {
4169 		chansize = 32;
4170 	}
4171 	tmp = RREG32(MC_SHARED_CHMAP);
4172 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
4173 	case 0:
4174 	default:
4175 		numchan = 1;
4176 		break;
4177 	case 1:
4178 		numchan = 2;
4179 		break;
4180 	case 2:
4181 		numchan = 4;
4182 		break;
4183 	case 3:
4184 		numchan = 8;
4185 		break;
4186 	case 4:
4187 		numchan = 3;
4188 		break;
4189 	case 5:
4190 		numchan = 6;
4191 		break;
4192 	case 6:
4193 		numchan = 10;
4194 		break;
4195 	case 7:
4196 		numchan = 12;
4197 		break;
4198 	case 8:
4199 		numchan = 16;
4200 		break;
4201 	}
4202 	rdev->mc.vram_width = numchan * chansize;
4203 	/* Could aper size report 0 ? */
4204 	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
4205 	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
4206 	/* size in MB on si */
4207 	tmp = RREG32(CONFIG_MEMSIZE);
4208 	/* some boards may have garbage in the upper 16 bits */
4209 	if (tmp & 0xffff0000) {
4210 		DRM_INFO("Probable bad vram size: 0x%08x\n", tmp);
4211 		if (tmp & 0xffff)
4212 			tmp &= 0xffff;
4213 	}
4214 	rdev->mc.mc_vram_size = tmp * 1024ULL * 1024ULL;
4215 	rdev->mc.real_vram_size = rdev->mc.mc_vram_size;
4216 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
4217 	si_vram_gtt_location(rdev, &rdev->mc);
4218 	radeon_update_bandwidth_info(rdev);
4219 
4220 	return 0;
4221 }
4222 
4223 /*
4224  * GART
4225  */
4226 void si_pcie_gart_tlb_flush(struct radeon_device *rdev)
4227 {
4228 	/* flush hdp cache */
4229 	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
4230 
4231 	/* bits 0-15 are the VM contexts0-15 */
4232 	WREG32(VM_INVALIDATE_REQUEST, 1);
4233 }
4234 
4235 static int si_pcie_gart_enable(struct radeon_device *rdev)
4236 {
4237 	int r, i;
4238 
4239 	if (rdev->gart.robj == NULL) {
4240 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
4241 		return -EINVAL;
4242 	}
4243 	r = radeon_gart_table_vram_pin(rdev);
4244 	if (r)
4245 		return r;
4246 	/* Setup TLB control */
4247 	WREG32(MC_VM_MX_L1_TLB_CNTL,
4248 	       (0xA << 7) |
4249 	       ENABLE_L1_TLB |
4250 	       ENABLE_L1_FRAGMENT_PROCESSING |
4251 	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
4252 	       ENABLE_ADVANCED_DRIVER_MODEL |
4253 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
4254 	/* Setup L2 cache */
4255 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
4256 	       ENABLE_L2_FRAGMENT_PROCESSING |
4257 	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
4258 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
4259 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
4260 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
4261 	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
4262 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
4263 	       BANK_SELECT(4) |
4264 	       L2_CACHE_BIGK_FRAGMENT_SIZE(4));
4265 	/* setup context0 */
4266 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
4267 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
4268 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
4269 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
4270 			(u32)(rdev->dummy_page.addr >> 12));
4271 	WREG32(VM_CONTEXT0_CNTL2, 0);
4272 	WREG32(VM_CONTEXT0_CNTL, (ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
4273 				  RANGE_PROTECTION_FAULT_ENABLE_DEFAULT));
4274 
4275 	WREG32(0x15D4, 0);
4276 	WREG32(0x15D8, 0);
4277 	WREG32(0x15DC, 0);
4278 
4279 	/* empty context1-15 */
4280 	/* set vm size, must be a multiple of 4 */
4281 	WREG32(VM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
4282 	WREG32(VM_CONTEXT1_PAGE_TABLE_END_ADDR, rdev->vm_manager.max_pfn - 1);
4283 	/* Assign the pt base to something valid for now; the pts used for
4284 	 * the VMs are determined by the application and setup and assigned
4285 	 * on the fly in the vm part of radeon_gart.c
4286 	 */
4287 	for (i = 1; i < 16; i++) {
4288 		if (i < 8)
4289 			WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
4290 			       rdev->vm_manager.saved_table_addr[i]);
4291 		else
4292 			WREG32(VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((i - 8) << 2),
4293 			       rdev->vm_manager.saved_table_addr[i]);
4294 	}
4295 
4296 	/* enable context1-15 */
4297 	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
4298 	       (u32)(rdev->dummy_page.addr >> 12));
4299 	WREG32(VM_CONTEXT1_CNTL2, 4);
4300 	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
4301 				PAGE_TABLE_BLOCK_SIZE(radeon_vm_block_size - 9) |
4302 				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
4303 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
4304 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
4305 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
4306 				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
4307 				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
4308 				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
4309 				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
4310 				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
4311 				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
4312 				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
4313 				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
4314 
4315 	si_pcie_gart_tlb_flush(rdev);
4316 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
4317 		 (unsigned)(rdev->mc.gtt_size >> 20),
4318 		 (unsigned long long)rdev->gart.table_addr);
4319 	rdev->gart.ready = true;
4320 	return 0;
4321 }
4322 
4323 static void si_pcie_gart_disable(struct radeon_device *rdev)
4324 {
4325 	unsigned i;
4326 
4327 	for (i = 1; i < 16; ++i) {
4328 		uint32_t reg;
4329 		if (i < 8)
4330 			reg = VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2);
4331 		else
4332 			reg = VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((i - 8) << 2);
4333 		rdev->vm_manager.saved_table_addr[i] = RREG32(reg);
4334 	}
4335 
4336 	/* Disable all tables */
4337 	WREG32(VM_CONTEXT0_CNTL, 0);
4338 	WREG32(VM_CONTEXT1_CNTL, 0);
4339 	/* Setup TLB control */
4340 	WREG32(MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE_NOT_IN_SYS |
4341 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
4342 	/* Setup L2 cache */
4343 	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
4344 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
4345 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
4346 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
4347 	WREG32(VM_L2_CNTL2, 0);
4348 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
4349 	       L2_CACHE_BIGK_FRAGMENT_SIZE(0));
4350 	radeon_gart_table_vram_unpin(rdev);
4351 }
4352 
4353 static void si_pcie_gart_fini(struct radeon_device *rdev)
4354 {
4355 	si_pcie_gart_disable(rdev);
4356 	radeon_gart_table_vram_free(rdev);
4357 	radeon_gart_fini(rdev);
4358 }
4359 
4360 /* vm parser */
4361 static bool si_vm_reg_valid(u32 reg)
4362 {
4363 	/* context regs are fine */
4364 	if (reg >= 0x28000)
4365 		return true;
4366 
4367 	/* check config regs */
4368 	switch (reg) {
4369 	case GRBM_GFX_INDEX:
4370 	case CP_STRMOUT_CNTL:
4371 	case VGT_VTX_VECT_EJECT_REG:
4372 	case VGT_CACHE_INVALIDATION:
4373 	case VGT_ESGS_RING_SIZE:
4374 	case VGT_GSVS_RING_SIZE:
4375 	case VGT_GS_VERTEX_REUSE:
4376 	case VGT_PRIMITIVE_TYPE:
4377 	case VGT_INDEX_TYPE:
4378 	case VGT_NUM_INDICES:
4379 	case VGT_NUM_INSTANCES:
4380 	case VGT_TF_RING_SIZE:
4381 	case VGT_HS_OFFCHIP_PARAM:
4382 	case VGT_TF_MEMORY_BASE:
4383 	case PA_CL_ENHANCE:
4384 	case PA_SU_LINE_STIPPLE_VALUE:
4385 	case PA_SC_LINE_STIPPLE_STATE:
4386 	case PA_SC_ENHANCE:
4387 	case SQC_CACHES:
4388 	case SPI_STATIC_THREAD_MGMT_1:
4389 	case SPI_STATIC_THREAD_MGMT_2:
4390 	case SPI_STATIC_THREAD_MGMT_3:
4391 	case SPI_PS_MAX_WAVE_ID:
4392 	case SPI_CONFIG_CNTL:
4393 	case SPI_CONFIG_CNTL_1:
4394 	case TA_CNTL_AUX:
4395 		return true;
4396 	default:
4397 		DRM_ERROR("Invalid register 0x%x in CS\n", reg);
4398 		return false;
4399 	}
4400 }
4401 
4402 static int si_vm_packet3_ce_check(struct radeon_device *rdev,
4403 				  u32 *ib, struct radeon_cs_packet *pkt)
4404 {
4405 	switch (pkt->opcode) {
4406 	case PACKET3_NOP:
4407 	case PACKET3_SET_BASE:
4408 	case PACKET3_SET_CE_DE_COUNTERS:
4409 	case PACKET3_LOAD_CONST_RAM:
4410 	case PACKET3_WRITE_CONST_RAM:
4411 	case PACKET3_WRITE_CONST_RAM_OFFSET:
4412 	case PACKET3_DUMP_CONST_RAM:
4413 	case PACKET3_INCREMENT_CE_COUNTER:
4414 	case PACKET3_WAIT_ON_DE_COUNTER:
4415 	case PACKET3_CE_WRITE:
4416 		break;
4417 	default:
4418 		DRM_ERROR("Invalid CE packet3: 0x%x\n", pkt->opcode);
4419 		return -EINVAL;
4420 	}
4421 	return 0;
4422 }
4423 
4424 static int si_vm_packet3_cp_dma_check(u32 *ib, u32 idx)
4425 {
4426 	u32 start_reg, reg, i;
4427 	u32 command = ib[idx + 4];
4428 	u32 info = ib[idx + 1];
4429 	u32 idx_value = ib[idx];
4430 	if (command & PACKET3_CP_DMA_CMD_SAS) {
4431 		/* src address space is register */
4432 		if (((info & 0x60000000) >> 29) == 0) {
4433 			start_reg = idx_value << 2;
4434 			if (command & PACKET3_CP_DMA_CMD_SAIC) {
4435 				reg = start_reg;
4436 				if (!si_vm_reg_valid(reg)) {
4437 					DRM_ERROR("CP DMA Bad SRC register\n");
4438 					return -EINVAL;
4439 				}
4440 			} else {
4441 				for (i = 0; i < (command & 0x1fffff); i++) {
4442 					reg = start_reg + (4 * i);
4443 					if (!si_vm_reg_valid(reg)) {
4444 						DRM_ERROR("CP DMA Bad SRC register\n");
4445 						return -EINVAL;
4446 					}
4447 				}
4448 			}
4449 		}
4450 	}
4451 	if (command & PACKET3_CP_DMA_CMD_DAS) {
4452 		/* dst address space is register */
4453 		if (((info & 0x00300000) >> 20) == 0) {
4454 			start_reg = ib[idx + 2];
4455 			if (command & PACKET3_CP_DMA_CMD_DAIC) {
4456 				reg = start_reg;
4457 				if (!si_vm_reg_valid(reg)) {
4458 					DRM_ERROR("CP DMA Bad DST register\n");
4459 					return -EINVAL;
4460 				}
4461 			} else {
4462 				for (i = 0; i < (command & 0x1fffff); i++) {
4463 					reg = start_reg + (4 * i);
4464 				if (!si_vm_reg_valid(reg)) {
4465 						DRM_ERROR("CP DMA Bad DST register\n");
4466 						return -EINVAL;
4467 					}
4468 				}
4469 			}
4470 		}
4471 	}
4472 	return 0;
4473 }
4474 
4475 static int si_vm_packet3_gfx_check(struct radeon_device *rdev,
4476 				   u32 *ib, struct radeon_cs_packet *pkt)
4477 {
4478 	int r;
4479 	u32 idx = pkt->idx + 1;
4480 	u32 idx_value = ib[idx];
4481 	u32 start_reg, end_reg, reg, i;
4482 
4483 	switch (pkt->opcode) {
4484 	case PACKET3_NOP:
4485 	case PACKET3_SET_BASE:
4486 	case PACKET3_CLEAR_STATE:
4487 	case PACKET3_INDEX_BUFFER_SIZE:
4488 	case PACKET3_DISPATCH_DIRECT:
4489 	case PACKET3_DISPATCH_INDIRECT:
4490 	case PACKET3_ALLOC_GDS:
4491 	case PACKET3_WRITE_GDS_RAM:
4492 	case PACKET3_ATOMIC_GDS:
4493 	case PACKET3_ATOMIC:
4494 	case PACKET3_OCCLUSION_QUERY:
4495 	case PACKET3_SET_PREDICATION:
4496 	case PACKET3_COND_EXEC:
4497 	case PACKET3_PRED_EXEC:
4498 	case PACKET3_DRAW_INDIRECT:
4499 	case PACKET3_DRAW_INDEX_INDIRECT:
4500 	case PACKET3_INDEX_BASE:
4501 	case PACKET3_DRAW_INDEX_2:
4502 	case PACKET3_CONTEXT_CONTROL:
4503 	case PACKET3_INDEX_TYPE:
4504 	case PACKET3_DRAW_INDIRECT_MULTI:
4505 	case PACKET3_DRAW_INDEX_AUTO:
4506 	case PACKET3_DRAW_INDEX_IMMD:
4507 	case PACKET3_NUM_INSTANCES:
4508 	case PACKET3_DRAW_INDEX_MULTI_AUTO:
4509 	case PACKET3_STRMOUT_BUFFER_UPDATE:
4510 	case PACKET3_DRAW_INDEX_OFFSET_2:
4511 	case PACKET3_DRAW_INDEX_MULTI_ELEMENT:
4512 	case PACKET3_DRAW_INDEX_INDIRECT_MULTI:
4513 	case PACKET3_MPEG_INDEX:
4514 	case PACKET3_WAIT_REG_MEM:
4515 	case PACKET3_MEM_WRITE:
4516 	case PACKET3_PFP_SYNC_ME:
4517 	case PACKET3_SURFACE_SYNC:
4518 	case PACKET3_EVENT_WRITE:
4519 	case PACKET3_EVENT_WRITE_EOP:
4520 	case PACKET3_EVENT_WRITE_EOS:
4521 	case PACKET3_SET_CONTEXT_REG:
4522 	case PACKET3_SET_CONTEXT_REG_INDIRECT:
4523 	case PACKET3_SET_SH_REG:
4524 	case PACKET3_SET_SH_REG_OFFSET:
4525 	case PACKET3_INCREMENT_DE_COUNTER:
4526 	case PACKET3_WAIT_ON_CE_COUNTER:
4527 	case PACKET3_WAIT_ON_AVAIL_BUFFER:
4528 	case PACKET3_ME_WRITE:
4529 		break;
4530 	case PACKET3_COPY_DATA:
4531 		if ((idx_value & 0xf00) == 0) {
4532 			reg = ib[idx + 3] * 4;
4533 			if (!si_vm_reg_valid(reg))
4534 				return -EINVAL;
4535 		}
4536 		break;
4537 	case PACKET3_WRITE_DATA:
4538 		if ((idx_value & 0xf00) == 0) {
4539 			start_reg = ib[idx + 1] * 4;
4540 			if (idx_value & 0x10000) {
4541 				if (!si_vm_reg_valid(start_reg))
4542 					return -EINVAL;
4543 			} else {
4544 				for (i = 0; i < (pkt->count - 2); i++) {
4545 					reg = start_reg + (4 * i);
4546 					if (!si_vm_reg_valid(reg))
4547 						return -EINVAL;
4548 				}
4549 			}
4550 		}
4551 		break;
4552 	case PACKET3_COND_WRITE:
4553 		if (idx_value & 0x100) {
4554 			reg = ib[idx + 5] * 4;
4555 			if (!si_vm_reg_valid(reg))
4556 				return -EINVAL;
4557 		}
4558 		break;
4559 	case PACKET3_COPY_DW:
4560 		if (idx_value & 0x2) {
4561 			reg = ib[idx + 3] * 4;
4562 			if (!si_vm_reg_valid(reg))
4563 				return -EINVAL;
4564 		}
4565 		break;
4566 	case PACKET3_SET_CONFIG_REG:
4567 		start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_START;
4568 		end_reg = 4 * pkt->count + start_reg - 4;
4569 		if ((start_reg < PACKET3_SET_CONFIG_REG_START) ||
4570 		    (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
4571 		    (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
4572 			DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
4573 			return -EINVAL;
4574 		}
4575 		for (i = 0; i < pkt->count; i++) {
4576 			reg = start_reg + (4 * i);
4577 			if (!si_vm_reg_valid(reg))
4578 				return -EINVAL;
4579 		}
4580 		break;
4581 	case PACKET3_CP_DMA:
4582 		r = si_vm_packet3_cp_dma_check(ib, idx);
4583 		if (r)
4584 			return r;
4585 		break;
4586 	default:
4587 		DRM_ERROR("Invalid GFX packet3: 0x%x\n", pkt->opcode);
4588 		return -EINVAL;
4589 	}
4590 	return 0;
4591 }
4592 
4593 static int si_vm_packet3_compute_check(struct radeon_device *rdev,
4594 				       u32 *ib, struct radeon_cs_packet *pkt)
4595 {
4596 	int r;
4597 	u32 idx = pkt->idx + 1;
4598 	u32 idx_value = ib[idx];
4599 	u32 start_reg, reg, i;
4600 
4601 	switch (pkt->opcode) {
4602 	case PACKET3_NOP:
4603 	case PACKET3_SET_BASE:
4604 	case PACKET3_CLEAR_STATE:
4605 	case PACKET3_DISPATCH_DIRECT:
4606 	case PACKET3_DISPATCH_INDIRECT:
4607 	case PACKET3_ALLOC_GDS:
4608 	case PACKET3_WRITE_GDS_RAM:
4609 	case PACKET3_ATOMIC_GDS:
4610 	case PACKET3_ATOMIC:
4611 	case PACKET3_OCCLUSION_QUERY:
4612 	case PACKET3_SET_PREDICATION:
4613 	case PACKET3_COND_EXEC:
4614 	case PACKET3_PRED_EXEC:
4615 	case PACKET3_CONTEXT_CONTROL:
4616 	case PACKET3_STRMOUT_BUFFER_UPDATE:
4617 	case PACKET3_WAIT_REG_MEM:
4618 	case PACKET3_MEM_WRITE:
4619 	case PACKET3_PFP_SYNC_ME:
4620 	case PACKET3_SURFACE_SYNC:
4621 	case PACKET3_EVENT_WRITE:
4622 	case PACKET3_EVENT_WRITE_EOP:
4623 	case PACKET3_EVENT_WRITE_EOS:
4624 	case PACKET3_SET_CONTEXT_REG:
4625 	case PACKET3_SET_CONTEXT_REG_INDIRECT:
4626 	case PACKET3_SET_SH_REG:
4627 	case PACKET3_SET_SH_REG_OFFSET:
4628 	case PACKET3_INCREMENT_DE_COUNTER:
4629 	case PACKET3_WAIT_ON_CE_COUNTER:
4630 	case PACKET3_WAIT_ON_AVAIL_BUFFER:
4631 	case PACKET3_ME_WRITE:
4632 		break;
4633 	case PACKET3_COPY_DATA:
4634 		if ((idx_value & 0xf00) == 0) {
4635 			reg = ib[idx + 3] * 4;
4636 			if (!si_vm_reg_valid(reg))
4637 				return -EINVAL;
4638 		}
4639 		break;
4640 	case PACKET3_WRITE_DATA:
4641 		if ((idx_value & 0xf00) == 0) {
4642 			start_reg = ib[idx + 1] * 4;
4643 			if (idx_value & 0x10000) {
4644 				if (!si_vm_reg_valid(start_reg))
4645 					return -EINVAL;
4646 			} else {
4647 				for (i = 0; i < (pkt->count - 2); i++) {
4648 					reg = start_reg + (4 * i);
4649 					if (!si_vm_reg_valid(reg))
4650 						return -EINVAL;
4651 				}
4652 			}
4653 		}
4654 		break;
4655 	case PACKET3_COND_WRITE:
4656 		if (idx_value & 0x100) {
4657 			reg = ib[idx + 5] * 4;
4658 			if (!si_vm_reg_valid(reg))
4659 				return -EINVAL;
4660 		}
4661 		break;
4662 	case PACKET3_COPY_DW:
4663 		if (idx_value & 0x2) {
4664 			reg = ib[idx + 3] * 4;
4665 			if (!si_vm_reg_valid(reg))
4666 				return -EINVAL;
4667 		}
4668 		break;
4669 	case PACKET3_CP_DMA:
4670 		r = si_vm_packet3_cp_dma_check(ib, idx);
4671 		if (r)
4672 			return r;
4673 		break;
4674 	default:
4675 		DRM_ERROR("Invalid Compute packet3: 0x%x\n", pkt->opcode);
4676 		return -EINVAL;
4677 	}
4678 	return 0;
4679 }
4680 
4681 int si_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib)
4682 {
4683 	int ret = 0;
4684 	u32 idx = 0, i;
4685 	struct radeon_cs_packet pkt;
4686 
4687 	do {
4688 		pkt.idx = idx;
4689 		pkt.type = RADEON_CP_PACKET_GET_TYPE(ib->ptr[idx]);
4690 		pkt.count = RADEON_CP_PACKET_GET_COUNT(ib->ptr[idx]);
4691 		pkt.one_reg_wr = 0;
4692 		switch (pkt.type) {
4693 		case RADEON_PACKET_TYPE0:
4694 			dev_err(rdev->dev, "Packet0 not allowed!\n");
4695 			ret = -EINVAL;
4696 			break;
4697 		case RADEON_PACKET_TYPE2:
4698 			idx += 1;
4699 			break;
4700 		case RADEON_PACKET_TYPE3:
4701 			pkt.opcode = RADEON_CP_PACKET3_GET_OPCODE(ib->ptr[idx]);
4702 			if (ib->is_const_ib)
4703 				ret = si_vm_packet3_ce_check(rdev, ib->ptr, &pkt);
4704 			else {
4705 				switch (ib->ring) {
4706 				case RADEON_RING_TYPE_GFX_INDEX:
4707 					ret = si_vm_packet3_gfx_check(rdev, ib->ptr, &pkt);
4708 					break;
4709 				case CAYMAN_RING_TYPE_CP1_INDEX:
4710 				case CAYMAN_RING_TYPE_CP2_INDEX:
4711 					ret = si_vm_packet3_compute_check(rdev, ib->ptr, &pkt);
4712 					break;
4713 				default:
4714 					dev_err(rdev->dev, "Non-PM4 ring %d !\n", ib->ring);
4715 					ret = -EINVAL;
4716 					break;
4717 				}
4718 			}
4719 			idx += pkt.count + 2;
4720 			break;
4721 		default:
4722 			dev_err(rdev->dev, "Unknown packet type %d !\n", pkt.type);
4723 			ret = -EINVAL;
4724 			break;
4725 		}
4726 		if (ret) {
4727 			for (i = 0; i < ib->length_dw; i++) {
4728 				if (i == idx)
4729 					printk("\t0x%08x <---\n", ib->ptr[i]);
4730 				else
4731 					printk("\t0x%08x\n", ib->ptr[i]);
4732 			}
4733 			break;
4734 		}
4735 	} while (idx < ib->length_dw);
4736 
4737 	return ret;
4738 }
4739 
4740 /*
4741  * vm
4742  */
4743 int si_vm_init(struct radeon_device *rdev)
4744 {
4745 	/* number of VMs */
4746 	rdev->vm_manager.nvm = 16;
4747 	/* base offset of vram pages */
4748 	rdev->vm_manager.vram_base_offset = 0;
4749 
4750 	return 0;
4751 }
4752 
4753 void si_vm_fini(struct radeon_device *rdev)
4754 {
4755 }
4756 
4757 /**
4758  * si_vm_decode_fault - print human readable fault info
4759  *
4760  * @rdev: radeon_device pointer
4761  * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
4762  * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
4763  *
4764  * Print human readable fault information (SI).
4765  */
4766 static void si_vm_decode_fault(struct radeon_device *rdev,
4767 			       u32 status, u32 addr)
4768 {
4769 	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
4770 	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
4771 	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
4772 	char *block;
4773 
4774 	if (rdev->family == CHIP_TAHITI) {
4775 		switch (mc_id) {
4776 		case 160:
4777 		case 144:
4778 		case 96:
4779 		case 80:
4780 		case 224:
4781 		case 208:
4782 		case 32:
4783 		case 16:
4784 			block = "CB";
4785 			break;
4786 		case 161:
4787 		case 145:
4788 		case 97:
4789 		case 81:
4790 		case 225:
4791 		case 209:
4792 		case 33:
4793 		case 17:
4794 			block = "CB_FMASK";
4795 			break;
4796 		case 162:
4797 		case 146:
4798 		case 98:
4799 		case 82:
4800 		case 226:
4801 		case 210:
4802 		case 34:
4803 		case 18:
4804 			block = "CB_CMASK";
4805 			break;
4806 		case 163:
4807 		case 147:
4808 		case 99:
4809 		case 83:
4810 		case 227:
4811 		case 211:
4812 		case 35:
4813 		case 19:
4814 			block = "CB_IMMED";
4815 			break;
4816 		case 164:
4817 		case 148:
4818 		case 100:
4819 		case 84:
4820 		case 228:
4821 		case 212:
4822 		case 36:
4823 		case 20:
4824 			block = "DB";
4825 			break;
4826 		case 165:
4827 		case 149:
4828 		case 101:
4829 		case 85:
4830 		case 229:
4831 		case 213:
4832 		case 37:
4833 		case 21:
4834 			block = "DB_HTILE";
4835 			break;
4836 		case 167:
4837 		case 151:
4838 		case 103:
4839 		case 87:
4840 		case 231:
4841 		case 215:
4842 		case 39:
4843 		case 23:
4844 			block = "DB_STEN";
4845 			break;
4846 		case 72:
4847 		case 68:
4848 		case 64:
4849 		case 8:
4850 		case 4:
4851 		case 0:
4852 		case 136:
4853 		case 132:
4854 		case 128:
4855 		case 200:
4856 		case 196:
4857 		case 192:
4858 			block = "TC";
4859 			break;
4860 		case 112:
4861 		case 48:
4862 			block = "CP";
4863 			break;
4864 		case 49:
4865 		case 177:
4866 		case 50:
4867 		case 178:
4868 			block = "SH";
4869 			break;
4870 		case 53:
4871 		case 190:
4872 			block = "VGT";
4873 			break;
4874 		case 117:
4875 			block = "IH";
4876 			break;
4877 		case 51:
4878 		case 115:
4879 			block = "RLC";
4880 			break;
4881 		case 119:
4882 		case 183:
4883 			block = "DMA0";
4884 			break;
4885 		case 61:
4886 			block = "DMA1";
4887 			break;
4888 		case 248:
4889 		case 120:
4890 			block = "HDP";
4891 			break;
4892 		default:
4893 			block = "unknown";
4894 			break;
4895 		}
4896 	} else {
4897 		switch (mc_id) {
4898 		case 32:
4899 		case 16:
4900 		case 96:
4901 		case 80:
4902 		case 160:
4903 		case 144:
4904 		case 224:
4905 		case 208:
4906 			block = "CB";
4907 			break;
4908 		case 33:
4909 		case 17:
4910 		case 97:
4911 		case 81:
4912 		case 161:
4913 		case 145:
4914 		case 225:
4915 		case 209:
4916 			block = "CB_FMASK";
4917 			break;
4918 		case 34:
4919 		case 18:
4920 		case 98:
4921 		case 82:
4922 		case 162:
4923 		case 146:
4924 		case 226:
4925 		case 210:
4926 			block = "CB_CMASK";
4927 			break;
4928 		case 35:
4929 		case 19:
4930 		case 99:
4931 		case 83:
4932 		case 163:
4933 		case 147:
4934 		case 227:
4935 		case 211:
4936 			block = "CB_IMMED";
4937 			break;
4938 		case 36:
4939 		case 20:
4940 		case 100:
4941 		case 84:
4942 		case 164:
4943 		case 148:
4944 		case 228:
4945 		case 212:
4946 			block = "DB";
4947 			break;
4948 		case 37:
4949 		case 21:
4950 		case 101:
4951 		case 85:
4952 		case 165:
4953 		case 149:
4954 		case 229:
4955 		case 213:
4956 			block = "DB_HTILE";
4957 			break;
4958 		case 39:
4959 		case 23:
4960 		case 103:
4961 		case 87:
4962 		case 167:
4963 		case 151:
4964 		case 231:
4965 		case 215:
4966 			block = "DB_STEN";
4967 			break;
4968 		case 72:
4969 		case 68:
4970 		case 8:
4971 		case 4:
4972 		case 136:
4973 		case 132:
4974 		case 200:
4975 		case 196:
4976 			block = "TC";
4977 			break;
4978 		case 112:
4979 		case 48:
4980 			block = "CP";
4981 			break;
4982 		case 49:
4983 		case 177:
4984 		case 50:
4985 		case 178:
4986 			block = "SH";
4987 			break;
4988 		case 53:
4989 			block = "VGT";
4990 			break;
4991 		case 117:
4992 			block = "IH";
4993 			break;
4994 		case 51:
4995 		case 115:
4996 			block = "RLC";
4997 			break;
4998 		case 119:
4999 		case 183:
5000 			block = "DMA0";
5001 			break;
5002 		case 61:
5003 			block = "DMA1";
5004 			break;
5005 		case 248:
5006 		case 120:
5007 			block = "HDP";
5008 			break;
5009 		default:
5010 			block = "unknown";
5011 			break;
5012 		}
5013 	}
5014 
5015 	printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
5016 	       protections, vmid, addr,
5017 	       (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
5018 	       block, mc_id);
5019 }
5020 
5021 void si_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring,
5022 		 unsigned vm_id, uint64_t pd_addr)
5023 {
5024 	/* write new base address */
5025 	radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
5026 	radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(1) |
5027 				 WRITE_DATA_DST_SEL(0)));
5028 
5029 	if (vm_id < 8) {
5030 		radeon_ring_write(ring,
5031 				  (VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm_id << 2)) >> 2);
5032 	} else {
5033 		radeon_ring_write(ring,
5034 				  (VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((vm_id - 8) << 2)) >> 2);
5035 	}
5036 	radeon_ring_write(ring, 0);
5037 	radeon_ring_write(ring, pd_addr >> 12);
5038 
5039 	/* flush hdp cache */
5040 	radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
5041 	radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(1) |
5042 				 WRITE_DATA_DST_SEL(0)));
5043 	radeon_ring_write(ring, HDP_MEM_COHERENCY_FLUSH_CNTL >> 2);
5044 	radeon_ring_write(ring, 0);
5045 	radeon_ring_write(ring, 0x1);
5046 
5047 	/* bits 0-15 are the VM contexts0-15 */
5048 	radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
5049 	radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(1) |
5050 				 WRITE_DATA_DST_SEL(0)));
5051 	radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
5052 	radeon_ring_write(ring, 0);
5053 	radeon_ring_write(ring, 1 << vm_id);
5054 
5055 	/* wait for the invalidate to complete */
5056 	radeon_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
5057 	radeon_ring_write(ring, (WAIT_REG_MEM_FUNCTION(0) |  /* always */
5058 				 WAIT_REG_MEM_ENGINE(0))); /* me */
5059 	radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
5060 	radeon_ring_write(ring, 0);
5061 	radeon_ring_write(ring, 0); /* ref */
5062 	radeon_ring_write(ring, 0); /* mask */
5063 	radeon_ring_write(ring, 0x20); /* poll interval */
5064 
5065 	/* sync PFP to ME, otherwise we might get invalid PFP reads */
5066 	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
5067 	radeon_ring_write(ring, 0x0);
5068 }
5069 
5070 /*
5071  *  Power and clock gating
5072  */
5073 static void si_wait_for_rlc_serdes(struct radeon_device *rdev)
5074 {
5075 	int i;
5076 
5077 	for (i = 0; i < rdev->usec_timeout; i++) {
5078 		if (RREG32(RLC_SERDES_MASTER_BUSY_0) == 0)
5079 			break;
5080 		udelay(1);
5081 	}
5082 
5083 	for (i = 0; i < rdev->usec_timeout; i++) {
5084 		if (RREG32(RLC_SERDES_MASTER_BUSY_1) == 0)
5085 			break;
5086 		udelay(1);
5087 	}
5088 }
5089 
5090 static void si_enable_gui_idle_interrupt(struct radeon_device *rdev,
5091 					 bool enable)
5092 {
5093 	u32 tmp = RREG32(CP_INT_CNTL_RING0);
5094 	u32 mask;
5095 	int i;
5096 
5097 	if (enable)
5098 		tmp |= (CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
5099 	else
5100 		tmp &= ~(CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
5101 	WREG32(CP_INT_CNTL_RING0, tmp);
5102 
5103 	if (!enable) {
5104 		/* read a gfx register */
5105 		tmp = RREG32(DB_DEPTH_INFO);
5106 
5107 		mask = RLC_BUSY_STATUS | GFX_POWER_STATUS | GFX_CLOCK_STATUS | GFX_LS_STATUS;
5108 		for (i = 0; i < rdev->usec_timeout; i++) {
5109 			if ((RREG32(RLC_STAT) & mask) == (GFX_CLOCK_STATUS | GFX_POWER_STATUS))
5110 				break;
5111 			udelay(1);
5112 		}
5113 	}
5114 }
5115 
5116 static void si_set_uvd_dcm(struct radeon_device *rdev,
5117 			   bool sw_mode)
5118 {
5119 	u32 tmp, tmp2;
5120 
5121 	tmp = RREG32(UVD_CGC_CTRL);
5122 	tmp &= ~(CLK_OD_MASK | CG_DT_MASK);
5123 	tmp |= DCM | CG_DT(1) | CLK_OD(4);
5124 
5125 	if (sw_mode) {
5126 		tmp &= ~0x7ffff800;
5127 		tmp2 = DYN_OR_EN | DYN_RR_EN | G_DIV_ID(7);
5128 	} else {
5129 		tmp |= 0x7ffff800;
5130 		tmp2 = 0;
5131 	}
5132 
5133 	WREG32(UVD_CGC_CTRL, tmp);
5134 	WREG32_UVD_CTX(UVD_CGC_CTRL2, tmp2);
5135 }
5136 
5137 void si_init_uvd_internal_cg(struct radeon_device *rdev)
5138 {
5139 	bool hw_mode = true;
5140 
5141 	if (hw_mode) {
5142 		si_set_uvd_dcm(rdev, false);
5143 	} else {
5144 		u32 tmp = RREG32(UVD_CGC_CTRL);
5145 		tmp &= ~DCM;
5146 		WREG32(UVD_CGC_CTRL, tmp);
5147 	}
5148 }
5149 
5150 static u32 si_halt_rlc(struct radeon_device *rdev)
5151 {
5152 	u32 data, orig;
5153 
5154 	orig = data = RREG32(RLC_CNTL);
5155 
5156 	if (data & RLC_ENABLE) {
5157 		data &= ~RLC_ENABLE;
5158 		WREG32(RLC_CNTL, data);
5159 
5160 		si_wait_for_rlc_serdes(rdev);
5161 	}
5162 
5163 	return orig;
5164 }
5165 
5166 static void si_update_rlc(struct radeon_device *rdev, u32 rlc)
5167 {
5168 	u32 tmp;
5169 
5170 	tmp = RREG32(RLC_CNTL);
5171 	if (tmp != rlc)
5172 		WREG32(RLC_CNTL, rlc);
5173 }
5174 
5175 static void si_enable_dma_pg(struct radeon_device *rdev, bool enable)
5176 {
5177 	u32 data, orig;
5178 
5179 	orig = data = RREG32(DMA_PG);
5180 	if (enable && (rdev->pg_flags & RADEON_PG_SUPPORT_SDMA))
5181 		data |= PG_CNTL_ENABLE;
5182 	else
5183 		data &= ~PG_CNTL_ENABLE;
5184 	if (orig != data)
5185 		WREG32(DMA_PG, data);
5186 }
5187 
5188 static void si_init_dma_pg(struct radeon_device *rdev)
5189 {
5190 	u32 tmp;
5191 
5192 	WREG32(DMA_PGFSM_WRITE,  0x00002000);
5193 	WREG32(DMA_PGFSM_CONFIG, 0x100010ff);
5194 
5195 	for (tmp = 0; tmp < 5; tmp++)
5196 		WREG32(DMA_PGFSM_WRITE, 0);
5197 }
5198 
5199 static void si_enable_gfx_cgpg(struct radeon_device *rdev,
5200 			       bool enable)
5201 {
5202 	u32 tmp;
5203 
5204 	if (enable && (rdev->pg_flags & RADEON_PG_SUPPORT_GFX_PG)) {
5205 		tmp = RLC_PUD(0x10) | RLC_PDD(0x10) | RLC_TTPD(0x10) | RLC_MSD(0x10);
5206 		WREG32(RLC_TTOP_D, tmp);
5207 
5208 		tmp = RREG32(RLC_PG_CNTL);
5209 		tmp |= GFX_PG_ENABLE;
5210 		WREG32(RLC_PG_CNTL, tmp);
5211 
5212 		tmp = RREG32(RLC_AUTO_PG_CTRL);
5213 		tmp |= AUTO_PG_EN;
5214 		WREG32(RLC_AUTO_PG_CTRL, tmp);
5215 	} else {
5216 		tmp = RREG32(RLC_AUTO_PG_CTRL);
5217 		tmp &= ~AUTO_PG_EN;
5218 		WREG32(RLC_AUTO_PG_CTRL, tmp);
5219 
5220 		tmp = RREG32(DB_RENDER_CONTROL);
5221 	}
5222 }
5223 
5224 static void si_init_gfx_cgpg(struct radeon_device *rdev)
5225 {
5226 	u32 tmp;
5227 
5228 	WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
5229 
5230 	tmp = RREG32(RLC_PG_CNTL);
5231 	tmp |= GFX_PG_SRC;
5232 	WREG32(RLC_PG_CNTL, tmp);
5233 
5234 	WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
5235 
5236 	tmp = RREG32(RLC_AUTO_PG_CTRL);
5237 
5238 	tmp &= ~GRBM_REG_SGIT_MASK;
5239 	tmp |= GRBM_REG_SGIT(0x700);
5240 	tmp &= ~PG_AFTER_GRBM_REG_ST_MASK;
5241 	WREG32(RLC_AUTO_PG_CTRL, tmp);
5242 }
5243 
5244 static u32 si_get_cu_active_bitmap(struct radeon_device *rdev, u32 se, u32 sh)
5245 {
5246 	u32 mask = 0, tmp, tmp1;
5247 	int i;
5248 
5249 	si_select_se_sh(rdev, se, sh);
5250 	tmp = RREG32(CC_GC_SHADER_ARRAY_CONFIG);
5251 	tmp1 = RREG32(GC_USER_SHADER_ARRAY_CONFIG);
5252 	si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
5253 
5254 	tmp &= 0xffff0000;
5255 
5256 	tmp |= tmp1;
5257 	tmp >>= 16;
5258 
5259 	for (i = 0; i < rdev->config.si.max_cu_per_sh; i ++) {
5260 		mask <<= 1;
5261 		mask |= 1;
5262 	}
5263 
5264 	return (~tmp) & mask;
5265 }
5266 
5267 static void si_init_ao_cu_mask(struct radeon_device *rdev)
5268 {
5269 	u32 i, j, k, active_cu_number = 0;
5270 	u32 mask, counter, cu_bitmap;
5271 	u32 tmp = 0;
5272 
5273 	for (i = 0; i < rdev->config.si.max_shader_engines; i++) {
5274 		for (j = 0; j < rdev->config.si.max_sh_per_se; j++) {
5275 			mask = 1;
5276 			cu_bitmap = 0;
5277 			counter  = 0;
5278 			for (k = 0; k < rdev->config.si.max_cu_per_sh; k++) {
5279 				if (si_get_cu_active_bitmap(rdev, i, j) & mask) {
5280 					if (counter < 2)
5281 						cu_bitmap |= mask;
5282 					counter++;
5283 				}
5284 				mask <<= 1;
5285 			}
5286 
5287 			active_cu_number += counter;
5288 			tmp |= (cu_bitmap << (i * 16 + j * 8));
5289 		}
5290 	}
5291 
5292 	WREG32(RLC_PG_AO_CU_MASK, tmp);
5293 
5294 	tmp = RREG32(RLC_MAX_PG_CU);
5295 	tmp &= ~MAX_PU_CU_MASK;
5296 	tmp |= MAX_PU_CU(active_cu_number);
5297 	WREG32(RLC_MAX_PG_CU, tmp);
5298 }
5299 
5300 static void si_enable_cgcg(struct radeon_device *rdev,
5301 			   bool enable)
5302 {
5303 	u32 data, orig, tmp;
5304 
5305 	orig = data = RREG32(RLC_CGCG_CGLS_CTRL);
5306 
5307 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_GFX_CGCG)) {
5308 		si_enable_gui_idle_interrupt(rdev, true);
5309 
5310 		WREG32(RLC_GCPM_GENERAL_3, 0x00000080);
5311 
5312 		tmp = si_halt_rlc(rdev);
5313 
5314 		WREG32(RLC_SERDES_WR_MASTER_MASK_0, 0xffffffff);
5315 		WREG32(RLC_SERDES_WR_MASTER_MASK_1, 0xffffffff);
5316 		WREG32(RLC_SERDES_WR_CTRL, 0x00b000ff);
5317 
5318 		si_wait_for_rlc_serdes(rdev);
5319 
5320 		si_update_rlc(rdev, tmp);
5321 
5322 		WREG32(RLC_SERDES_WR_CTRL, 0x007000ff);
5323 
5324 		data |= CGCG_EN | CGLS_EN;
5325 	} else {
5326 		si_enable_gui_idle_interrupt(rdev, false);
5327 
5328 		RREG32(CB_CGTT_SCLK_CTRL);
5329 		RREG32(CB_CGTT_SCLK_CTRL);
5330 		RREG32(CB_CGTT_SCLK_CTRL);
5331 		RREG32(CB_CGTT_SCLK_CTRL);
5332 
5333 		data &= ~(CGCG_EN | CGLS_EN);
5334 	}
5335 
5336 	if (orig != data)
5337 		WREG32(RLC_CGCG_CGLS_CTRL, data);
5338 }
5339 
5340 static void si_enable_mgcg(struct radeon_device *rdev,
5341 			   bool enable)
5342 {
5343 	u32 data, orig, tmp = 0;
5344 
5345 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_GFX_MGCG)) {
5346 		orig = data = RREG32(CGTS_SM_CTRL_REG);
5347 		data = 0x96940200;
5348 		if (orig != data)
5349 			WREG32(CGTS_SM_CTRL_REG, data);
5350 
5351 		if (rdev->cg_flags & RADEON_CG_SUPPORT_GFX_CP_LS) {
5352 			orig = data = RREG32(CP_MEM_SLP_CNTL);
5353 			data |= CP_MEM_LS_EN;
5354 			if (orig != data)
5355 				WREG32(CP_MEM_SLP_CNTL, data);
5356 		}
5357 
5358 		orig = data = RREG32(RLC_CGTT_MGCG_OVERRIDE);
5359 		data &= 0xffffffc0;
5360 		if (orig != data)
5361 			WREG32(RLC_CGTT_MGCG_OVERRIDE, data);
5362 
5363 		tmp = si_halt_rlc(rdev);
5364 
5365 		WREG32(RLC_SERDES_WR_MASTER_MASK_0, 0xffffffff);
5366 		WREG32(RLC_SERDES_WR_MASTER_MASK_1, 0xffffffff);
5367 		WREG32(RLC_SERDES_WR_CTRL, 0x00d000ff);
5368 
5369 		si_update_rlc(rdev, tmp);
5370 	} else {
5371 		orig = data = RREG32(RLC_CGTT_MGCG_OVERRIDE);
5372 		data |= 0x00000003;
5373 		if (orig != data)
5374 			WREG32(RLC_CGTT_MGCG_OVERRIDE, data);
5375 
5376 		data = RREG32(CP_MEM_SLP_CNTL);
5377 		if (data & CP_MEM_LS_EN) {
5378 			data &= ~CP_MEM_LS_EN;
5379 			WREG32(CP_MEM_SLP_CNTL, data);
5380 		}
5381 		orig = data = RREG32(CGTS_SM_CTRL_REG);
5382 		data |= LS_OVERRIDE | OVERRIDE;
5383 		if (orig != data)
5384 			WREG32(CGTS_SM_CTRL_REG, data);
5385 
5386 		tmp = si_halt_rlc(rdev);
5387 
5388 		WREG32(RLC_SERDES_WR_MASTER_MASK_0, 0xffffffff);
5389 		WREG32(RLC_SERDES_WR_MASTER_MASK_1, 0xffffffff);
5390 		WREG32(RLC_SERDES_WR_CTRL, 0x00e000ff);
5391 
5392 		si_update_rlc(rdev, tmp);
5393 	}
5394 }
5395 
5396 static void si_enable_uvd_mgcg(struct radeon_device *rdev,
5397 			       bool enable)
5398 {
5399 	u32 orig, data, tmp;
5400 
5401 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_UVD_MGCG)) {
5402 		tmp = RREG32_UVD_CTX(UVD_CGC_MEM_CTRL);
5403 		tmp |= 0x3fff;
5404 		WREG32_UVD_CTX(UVD_CGC_MEM_CTRL, tmp);
5405 
5406 		orig = data = RREG32(UVD_CGC_CTRL);
5407 		data |= DCM;
5408 		if (orig != data)
5409 			WREG32(UVD_CGC_CTRL, data);
5410 
5411 		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_0, 0);
5412 		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_1, 0);
5413 	} else {
5414 		tmp = RREG32_UVD_CTX(UVD_CGC_MEM_CTRL);
5415 		tmp &= ~0x3fff;
5416 		WREG32_UVD_CTX(UVD_CGC_MEM_CTRL, tmp);
5417 
5418 		orig = data = RREG32(UVD_CGC_CTRL);
5419 		data &= ~DCM;
5420 		if (orig != data)
5421 			WREG32(UVD_CGC_CTRL, data);
5422 
5423 		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_0, 0xffffffff);
5424 		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_1, 0xffffffff);
5425 	}
5426 }
5427 
5428 static const u32 mc_cg_registers[] =
5429 {
5430 	MC_HUB_MISC_HUB_CG,
5431 	MC_HUB_MISC_SIP_CG,
5432 	MC_HUB_MISC_VM_CG,
5433 	MC_XPB_CLK_GAT,
5434 	ATC_MISC_CG,
5435 	MC_CITF_MISC_WR_CG,
5436 	MC_CITF_MISC_RD_CG,
5437 	MC_CITF_MISC_VM_CG,
5438 	VM_L2_CG,
5439 };
5440 
5441 static void si_enable_mc_ls(struct radeon_device *rdev,
5442 			    bool enable)
5443 {
5444 	int i;
5445 	u32 orig, data;
5446 
5447 	for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
5448 		orig = data = RREG32(mc_cg_registers[i]);
5449 		if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_MC_LS))
5450 			data |= MC_LS_ENABLE;
5451 		else
5452 			data &= ~MC_LS_ENABLE;
5453 		if (data != orig)
5454 			WREG32(mc_cg_registers[i], data);
5455 	}
5456 }
5457 
5458 static void si_enable_mc_mgcg(struct radeon_device *rdev,
5459 			       bool enable)
5460 {
5461 	int i;
5462 	u32 orig, data;
5463 
5464 	for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
5465 		orig = data = RREG32(mc_cg_registers[i]);
5466 		if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_MC_MGCG))
5467 			data |= MC_CG_ENABLE;
5468 		else
5469 			data &= ~MC_CG_ENABLE;
5470 		if (data != orig)
5471 			WREG32(mc_cg_registers[i], data);
5472 	}
5473 }
5474 
5475 static void si_enable_dma_mgcg(struct radeon_device *rdev,
5476 			       bool enable)
5477 {
5478 	u32 orig, data, offset;
5479 	int i;
5480 
5481 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_SDMA_MGCG)) {
5482 		for (i = 0; i < 2; i++) {
5483 			if (i == 0)
5484 				offset = DMA0_REGISTER_OFFSET;
5485 			else
5486 				offset = DMA1_REGISTER_OFFSET;
5487 			orig = data = RREG32(DMA_POWER_CNTL + offset);
5488 			data &= ~MEM_POWER_OVERRIDE;
5489 			if (data != orig)
5490 				WREG32(DMA_POWER_CNTL + offset, data);
5491 			WREG32(DMA_CLK_CTRL + offset, 0x00000100);
5492 		}
5493 	} else {
5494 		for (i = 0; i < 2; i++) {
5495 			if (i == 0)
5496 				offset = DMA0_REGISTER_OFFSET;
5497 			else
5498 				offset = DMA1_REGISTER_OFFSET;
5499 			orig = data = RREG32(DMA_POWER_CNTL + offset);
5500 			data |= MEM_POWER_OVERRIDE;
5501 			if (data != orig)
5502 				WREG32(DMA_POWER_CNTL + offset, data);
5503 
5504 			orig = data = RREG32(DMA_CLK_CTRL + offset);
5505 			data = 0xff000000;
5506 			if (data != orig)
5507 				WREG32(DMA_CLK_CTRL + offset, data);
5508 		}
5509 	}
5510 }
5511 
5512 static void si_enable_bif_mgls(struct radeon_device *rdev,
5513 			       bool enable)
5514 {
5515 	u32 orig, data;
5516 
5517 	orig = data = RREG32_PCIE(PCIE_CNTL2);
5518 
5519 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_BIF_LS))
5520 		data |= SLV_MEM_LS_EN | MST_MEM_LS_EN |
5521 			REPLAY_MEM_LS_EN | SLV_MEM_AGGRESSIVE_LS_EN;
5522 	else
5523 		data &= ~(SLV_MEM_LS_EN | MST_MEM_LS_EN |
5524 			  REPLAY_MEM_LS_EN | SLV_MEM_AGGRESSIVE_LS_EN);
5525 
5526 	if (orig != data)
5527 		WREG32_PCIE(PCIE_CNTL2, data);
5528 }
5529 
5530 static void si_enable_hdp_mgcg(struct radeon_device *rdev,
5531 			       bool enable)
5532 {
5533 	u32 orig, data;
5534 
5535 	orig = data = RREG32(HDP_HOST_PATH_CNTL);
5536 
5537 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_HDP_MGCG))
5538 		data &= ~CLOCK_GATING_DIS;
5539 	else
5540 		data |= CLOCK_GATING_DIS;
5541 
5542 	if (orig != data)
5543 		WREG32(HDP_HOST_PATH_CNTL, data);
5544 }
5545 
5546 static void si_enable_hdp_ls(struct radeon_device *rdev,
5547 			     bool enable)
5548 {
5549 	u32 orig, data;
5550 
5551 	orig = data = RREG32(HDP_MEM_POWER_LS);
5552 
5553 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_HDP_LS))
5554 		data |= HDP_LS_ENABLE;
5555 	else
5556 		data &= ~HDP_LS_ENABLE;
5557 
5558 	if (orig != data)
5559 		WREG32(HDP_MEM_POWER_LS, data);
5560 }
5561 
5562 static void si_update_cg(struct radeon_device *rdev,
5563 			 u32 block, bool enable)
5564 {
5565 	if (block & RADEON_CG_BLOCK_GFX) {
5566 		si_enable_gui_idle_interrupt(rdev, false);
5567 		/* order matters! */
5568 		if (enable) {
5569 			si_enable_mgcg(rdev, true);
5570 			si_enable_cgcg(rdev, true);
5571 		} else {
5572 			si_enable_cgcg(rdev, false);
5573 			si_enable_mgcg(rdev, false);
5574 		}
5575 		si_enable_gui_idle_interrupt(rdev, true);
5576 	}
5577 
5578 	if (block & RADEON_CG_BLOCK_MC) {
5579 		si_enable_mc_mgcg(rdev, enable);
5580 		si_enable_mc_ls(rdev, enable);
5581 	}
5582 
5583 	if (block & RADEON_CG_BLOCK_SDMA) {
5584 		si_enable_dma_mgcg(rdev, enable);
5585 	}
5586 
5587 	if (block & RADEON_CG_BLOCK_BIF) {
5588 		si_enable_bif_mgls(rdev, enable);
5589 	}
5590 
5591 	if (block & RADEON_CG_BLOCK_UVD) {
5592 		if (rdev->has_uvd) {
5593 			si_enable_uvd_mgcg(rdev, enable);
5594 		}
5595 	}
5596 
5597 	if (block & RADEON_CG_BLOCK_HDP) {
5598 		si_enable_hdp_mgcg(rdev, enable);
5599 		si_enable_hdp_ls(rdev, enable);
5600 	}
5601 }
5602 
5603 static void si_init_cg(struct radeon_device *rdev)
5604 {
5605 	si_update_cg(rdev, (RADEON_CG_BLOCK_GFX |
5606 			    RADEON_CG_BLOCK_MC |
5607 			    RADEON_CG_BLOCK_SDMA |
5608 			    RADEON_CG_BLOCK_BIF |
5609 			    RADEON_CG_BLOCK_HDP), true);
5610 	if (rdev->has_uvd) {
5611 		si_update_cg(rdev, RADEON_CG_BLOCK_UVD, true);
5612 		si_init_uvd_internal_cg(rdev);
5613 	}
5614 }
5615 
5616 static void si_fini_cg(struct radeon_device *rdev)
5617 {
5618 	if (rdev->has_uvd) {
5619 		si_update_cg(rdev, RADEON_CG_BLOCK_UVD, false);
5620 	}
5621 	si_update_cg(rdev, (RADEON_CG_BLOCK_GFX |
5622 			    RADEON_CG_BLOCK_MC |
5623 			    RADEON_CG_BLOCK_SDMA |
5624 			    RADEON_CG_BLOCK_BIF |
5625 			    RADEON_CG_BLOCK_HDP), false);
5626 }
5627 
5628 u32 si_get_csb_size(struct radeon_device *rdev)
5629 {
5630 	u32 count = 0;
5631 	const struct cs_section_def *sect = NULL;
5632 	const struct cs_extent_def *ext = NULL;
5633 
5634 	if (rdev->rlc.cs_data == NULL)
5635 		return 0;
5636 
5637 	/* begin clear state */
5638 	count += 2;
5639 	/* context control state */
5640 	count += 3;
5641 
5642 	for (sect = rdev->rlc.cs_data; sect->section != NULL; ++sect) {
5643 		for (ext = sect->section; ext->extent != NULL; ++ext) {
5644 			if (sect->id == SECT_CONTEXT)
5645 				count += 2 + ext->reg_count;
5646 			else
5647 				return 0;
5648 		}
5649 	}
5650 	/* pa_sc_raster_config */
5651 	count += 3;
5652 	/* end clear state */
5653 	count += 2;
5654 	/* clear state */
5655 	count += 2;
5656 
5657 	return count;
5658 }
5659 
5660 void si_get_csb_buffer(struct radeon_device *rdev, volatile u32 *buffer)
5661 {
5662 	u32 count = 0, i;
5663 	const struct cs_section_def *sect = NULL;
5664 	const struct cs_extent_def *ext = NULL;
5665 
5666 	if (rdev->rlc.cs_data == NULL)
5667 		return;
5668 	if (buffer == NULL)
5669 		return;
5670 
5671 	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_PREAMBLE_CNTL, 0));
5672 	buffer[count++] = cpu_to_le32(PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
5673 
5674 	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_CONTEXT_CONTROL, 1));
5675 	buffer[count++] = cpu_to_le32(0x80000000);
5676 	buffer[count++] = cpu_to_le32(0x80000000);
5677 
5678 	for (sect = rdev->rlc.cs_data; sect->section != NULL; ++sect) {
5679 		for (ext = sect->section; ext->extent != NULL; ++ext) {
5680 			if (sect->id == SECT_CONTEXT) {
5681 				buffer[count++] =
5682 					cpu_to_le32(PACKET3(PACKET3_SET_CONTEXT_REG, ext->reg_count));
5683 				buffer[count++] = cpu_to_le32(ext->reg_index - 0xa000);
5684 				for (i = 0; i < ext->reg_count; i++)
5685 					buffer[count++] = cpu_to_le32(ext->extent[i]);
5686 			} else {
5687 				return;
5688 			}
5689 		}
5690 	}
5691 
5692 	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_SET_CONTEXT_REG, 1));
5693 	buffer[count++] = cpu_to_le32(PA_SC_RASTER_CONFIG - PACKET3_SET_CONTEXT_REG_START);
5694 	switch (rdev->family) {
5695 	case CHIP_TAHITI:
5696 	case CHIP_PITCAIRN:
5697 		buffer[count++] = cpu_to_le32(0x2a00126a);
5698 		break;
5699 	case CHIP_VERDE:
5700 		buffer[count++] = cpu_to_le32(0x0000124a);
5701 		break;
5702 	case CHIP_OLAND:
5703 		buffer[count++] = cpu_to_le32(0x00000082);
5704 		break;
5705 	case CHIP_HAINAN:
5706 		buffer[count++] = cpu_to_le32(0x00000000);
5707 		break;
5708 	default:
5709 		buffer[count++] = cpu_to_le32(0x00000000);
5710 		break;
5711 	}
5712 
5713 	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_PREAMBLE_CNTL, 0));
5714 	buffer[count++] = cpu_to_le32(PACKET3_PREAMBLE_END_CLEAR_STATE);
5715 
5716 	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_CLEAR_STATE, 0));
5717 	buffer[count++] = cpu_to_le32(0);
5718 }
5719 
5720 static void si_init_pg(struct radeon_device *rdev)
5721 {
5722 	if (rdev->pg_flags) {
5723 		if (rdev->pg_flags & RADEON_PG_SUPPORT_SDMA) {
5724 			si_init_dma_pg(rdev);
5725 		}
5726 		si_init_ao_cu_mask(rdev);
5727 		if (rdev->pg_flags & RADEON_PG_SUPPORT_GFX_PG) {
5728 			si_init_gfx_cgpg(rdev);
5729 		} else {
5730 			WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
5731 			WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
5732 		}
5733 		si_enable_dma_pg(rdev, true);
5734 		si_enable_gfx_cgpg(rdev, true);
5735 	} else {
5736 		WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
5737 		WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
5738 	}
5739 }
5740 
5741 static void si_fini_pg(struct radeon_device *rdev)
5742 {
5743 	if (rdev->pg_flags) {
5744 		si_enable_dma_pg(rdev, false);
5745 		si_enable_gfx_cgpg(rdev, false);
5746 	}
5747 }
5748 
5749 /*
5750  * RLC
5751  */
5752 void si_rlc_reset(struct radeon_device *rdev)
5753 {
5754 	u32 tmp = RREG32(GRBM_SOFT_RESET);
5755 
5756 	tmp |= SOFT_RESET_RLC;
5757 	WREG32(GRBM_SOFT_RESET, tmp);
5758 	udelay(50);
5759 	tmp &= ~SOFT_RESET_RLC;
5760 	WREG32(GRBM_SOFT_RESET, tmp);
5761 	udelay(50);
5762 }
5763 
5764 static void si_rlc_stop(struct radeon_device *rdev)
5765 {
5766 	WREG32(RLC_CNTL, 0);
5767 
5768 	si_enable_gui_idle_interrupt(rdev, false);
5769 
5770 	si_wait_for_rlc_serdes(rdev);
5771 }
5772 
5773 static void si_rlc_start(struct radeon_device *rdev)
5774 {
5775 	WREG32(RLC_CNTL, RLC_ENABLE);
5776 
5777 	si_enable_gui_idle_interrupt(rdev, true);
5778 
5779 	udelay(50);
5780 }
5781 
5782 static bool si_lbpw_supported(struct radeon_device *rdev)
5783 {
5784 	u32 tmp;
5785 
5786 	/* Enable LBPW only for DDR3 */
5787 	tmp = RREG32(MC_SEQ_MISC0);
5788 	if ((tmp & 0xF0000000) == 0xB0000000)
5789 		return true;
5790 	return false;
5791 }
5792 
5793 static void si_enable_lbpw(struct radeon_device *rdev, bool enable)
5794 {
5795 	u32 tmp;
5796 
5797 	tmp = RREG32(RLC_LB_CNTL);
5798 	if (enable)
5799 		tmp |= LOAD_BALANCE_ENABLE;
5800 	else
5801 		tmp &= ~LOAD_BALANCE_ENABLE;
5802 	WREG32(RLC_LB_CNTL, tmp);
5803 
5804 	if (!enable) {
5805 		si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
5806 		WREG32(SPI_LB_CU_MASK, 0x00ff);
5807 	}
5808 }
5809 
5810 static int si_rlc_resume(struct radeon_device *rdev)
5811 {
5812 	u32 i;
5813 
5814 	if (!rdev->rlc_fw)
5815 		return -EINVAL;
5816 
5817 	si_rlc_stop(rdev);
5818 
5819 	si_rlc_reset(rdev);
5820 
5821 	si_init_pg(rdev);
5822 
5823 	si_init_cg(rdev);
5824 
5825 	WREG32(RLC_RL_BASE, 0);
5826 	WREG32(RLC_RL_SIZE, 0);
5827 	WREG32(RLC_LB_CNTL, 0);
5828 	WREG32(RLC_LB_CNTR_MAX, 0xffffffff);
5829 	WREG32(RLC_LB_CNTR_INIT, 0);
5830 	WREG32(RLC_LB_INIT_CU_MASK, 0xffffffff);
5831 
5832 	WREG32(RLC_MC_CNTL, 0);
5833 	WREG32(RLC_UCODE_CNTL, 0);
5834 
5835 	if (rdev->new_fw) {
5836 		const struct rlc_firmware_header_v1_0 *hdr =
5837 			(const struct rlc_firmware_header_v1_0 *)rdev->rlc_fw->data;
5838 		u32 fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
5839 		const __le32 *fw_data = (const __le32 *)
5840 			(rdev->rlc_fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
5841 
5842 		radeon_ucode_print_rlc_hdr(&hdr->header);
5843 
5844 		for (i = 0; i < fw_size; i++) {
5845 			WREG32(RLC_UCODE_ADDR, i);
5846 			WREG32(RLC_UCODE_DATA, le32_to_cpup(fw_data++));
5847 		}
5848 	} else {
5849 		const __be32 *fw_data =
5850 			(const __be32 *)rdev->rlc_fw->data;
5851 		for (i = 0; i < SI_RLC_UCODE_SIZE; i++) {
5852 			WREG32(RLC_UCODE_ADDR, i);
5853 			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
5854 		}
5855 	}
5856 	WREG32(RLC_UCODE_ADDR, 0);
5857 
5858 	si_enable_lbpw(rdev, si_lbpw_supported(rdev));
5859 
5860 	si_rlc_start(rdev);
5861 
5862 	return 0;
5863 }
5864 
5865 static void si_enable_interrupts(struct radeon_device *rdev)
5866 {
5867 	u32 ih_cntl = RREG32(IH_CNTL);
5868 	u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
5869 
5870 	ih_cntl |= ENABLE_INTR;
5871 	ih_rb_cntl |= IH_RB_ENABLE;
5872 	WREG32(IH_CNTL, ih_cntl);
5873 	WREG32(IH_RB_CNTL, ih_rb_cntl);
5874 	rdev->ih.enabled = true;
5875 }
5876 
5877 static void si_disable_interrupts(struct radeon_device *rdev)
5878 {
5879 	u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
5880 	u32 ih_cntl = RREG32(IH_CNTL);
5881 
5882 	ih_rb_cntl &= ~IH_RB_ENABLE;
5883 	ih_cntl &= ~ENABLE_INTR;
5884 	WREG32(IH_RB_CNTL, ih_rb_cntl);
5885 	WREG32(IH_CNTL, ih_cntl);
5886 	/* set rptr, wptr to 0 */
5887 	WREG32(IH_RB_RPTR, 0);
5888 	WREG32(IH_RB_WPTR, 0);
5889 	rdev->ih.enabled = false;
5890 	rdev->ih.rptr = 0;
5891 }
5892 
5893 static void si_disable_interrupt_state(struct radeon_device *rdev)
5894 {
5895 	u32 tmp;
5896 
5897 	tmp = RREG32(CP_INT_CNTL_RING0) &
5898 		(CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
5899 	WREG32(CP_INT_CNTL_RING0, tmp);
5900 	WREG32(CP_INT_CNTL_RING1, 0);
5901 	WREG32(CP_INT_CNTL_RING2, 0);
5902 	tmp = RREG32(DMA_CNTL + DMA0_REGISTER_OFFSET) & ~TRAP_ENABLE;
5903 	WREG32(DMA_CNTL + DMA0_REGISTER_OFFSET, tmp);
5904 	tmp = RREG32(DMA_CNTL + DMA1_REGISTER_OFFSET) & ~TRAP_ENABLE;
5905 	WREG32(DMA_CNTL + DMA1_REGISTER_OFFSET, tmp);
5906 	WREG32(GRBM_INT_CNTL, 0);
5907 	WREG32(SRBM_INT_CNTL, 0);
5908 	if (rdev->num_crtc >= 2) {
5909 		WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
5910 		WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
5911 	}
5912 	if (rdev->num_crtc >= 4) {
5913 		WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
5914 		WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
5915 	}
5916 	if (rdev->num_crtc >= 6) {
5917 		WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
5918 		WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
5919 	}
5920 
5921 	if (rdev->num_crtc >= 2) {
5922 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
5923 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
5924 	}
5925 	if (rdev->num_crtc >= 4) {
5926 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
5927 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
5928 	}
5929 	if (rdev->num_crtc >= 6) {
5930 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
5931 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
5932 	}
5933 
5934 	if (!ASIC_IS_NODCE(rdev)) {
5935 		WREG32(DAC_AUTODETECT_INT_CONTROL, 0);
5936 
5937 		tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5938 		WREG32(DC_HPD1_INT_CONTROL, tmp);
5939 		tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5940 		WREG32(DC_HPD2_INT_CONTROL, tmp);
5941 		tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5942 		WREG32(DC_HPD3_INT_CONTROL, tmp);
5943 		tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5944 		WREG32(DC_HPD4_INT_CONTROL, tmp);
5945 		tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5946 		WREG32(DC_HPD5_INT_CONTROL, tmp);
5947 		tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5948 		WREG32(DC_HPD6_INT_CONTROL, tmp);
5949 	}
5950 }
5951 
5952 static int si_irq_init(struct radeon_device *rdev)
5953 {
5954 	int ret = 0;
5955 	int rb_bufsz;
5956 	u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
5957 
5958 	/* allocate ring */
5959 	ret = r600_ih_ring_alloc(rdev);
5960 	if (ret)
5961 		return ret;
5962 
5963 	/* disable irqs */
5964 	si_disable_interrupts(rdev);
5965 
5966 	/* init rlc */
5967 	ret = si_rlc_resume(rdev);
5968 	if (ret) {
5969 		r600_ih_ring_fini(rdev);
5970 		return ret;
5971 	}
5972 
5973 	/* setup interrupt control */
5974 	/* set dummy read address to ring address */
5975 	WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8);
5976 	interrupt_cntl = RREG32(INTERRUPT_CNTL);
5977 	/* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi
5978 	 * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN
5979 	 */
5980 	interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE;
5981 	/* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */
5982 	interrupt_cntl &= ~IH_REQ_NONSNOOP_EN;
5983 	WREG32(INTERRUPT_CNTL, interrupt_cntl);
5984 
5985 	WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8);
5986 	rb_bufsz = order_base_2(rdev->ih.ring_size / 4);
5987 
5988 	ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE |
5989 		      IH_WPTR_OVERFLOW_CLEAR |
5990 		      (rb_bufsz << 1));
5991 
5992 	if (rdev->wb.enabled)
5993 		ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;
5994 
5995 	/* set the writeback address whether it's enabled or not */
5996 	WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC);
5997 	WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF);
5998 
5999 	WREG32(IH_RB_CNTL, ih_rb_cntl);
6000 
6001 	/* set rptr, wptr to 0 */
6002 	WREG32(IH_RB_RPTR, 0);
6003 	WREG32(IH_RB_WPTR, 0);
6004 
6005 	/* Default settings for IH_CNTL (disabled at first) */
6006 	ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10) | MC_VMID(0);
6007 	/* RPTR_REARM only works if msi's are enabled */
6008 	if (rdev->msi_enabled)
6009 		ih_cntl |= RPTR_REARM;
6010 	WREG32(IH_CNTL, ih_cntl);
6011 
6012 	/* force the active interrupt state to all disabled */
6013 	si_disable_interrupt_state(rdev);
6014 
6015 	pci_set_master(rdev->pdev);
6016 
6017 	/* enable irqs */
6018 	si_enable_interrupts(rdev);
6019 
6020 	return ret;
6021 }
6022 
6023 int si_irq_set(struct radeon_device *rdev)
6024 {
6025 	u32 cp_int_cntl;
6026 	u32 cp_int_cntl1 = 0, cp_int_cntl2 = 0;
6027 	u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
6028 	u32 hpd1 = 0, hpd2 = 0, hpd3 = 0, hpd4 = 0, hpd5 = 0, hpd6 = 0;
6029 	u32 grbm_int_cntl = 0;
6030 	u32 dma_cntl, dma_cntl1;
6031 	u32 thermal_int = 0;
6032 
6033 	if (!rdev->irq.installed) {
6034 		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
6035 		return -EINVAL;
6036 	}
6037 	/* don't enable anything if the ih is disabled */
6038 	if (!rdev->ih.enabled) {
6039 		si_disable_interrupts(rdev);
6040 		/* force the active interrupt state to all disabled */
6041 		si_disable_interrupt_state(rdev);
6042 		return 0;
6043 	}
6044 
6045 	cp_int_cntl = RREG32(CP_INT_CNTL_RING0) &
6046 		(CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
6047 
6048 	if (!ASIC_IS_NODCE(rdev)) {
6049 		hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~(DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN);
6050 		hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~(DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN);
6051 		hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~(DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN);
6052 		hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~(DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN);
6053 		hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~(DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN);
6054 		hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~(DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN);
6055 	}
6056 
6057 	dma_cntl = RREG32(DMA_CNTL + DMA0_REGISTER_OFFSET) & ~TRAP_ENABLE;
6058 	dma_cntl1 = RREG32(DMA_CNTL + DMA1_REGISTER_OFFSET) & ~TRAP_ENABLE;
6059 
6060 	thermal_int = RREG32(CG_THERMAL_INT) &
6061 		~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
6062 
6063 	/* enable CP interrupts on all rings */
6064 	if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
6065 		DRM_DEBUG("si_irq_set: sw int gfx\n");
6066 		cp_int_cntl |= TIME_STAMP_INT_ENABLE;
6067 	}
6068 	if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP1_INDEX])) {
6069 		DRM_DEBUG("si_irq_set: sw int cp1\n");
6070 		cp_int_cntl1 |= TIME_STAMP_INT_ENABLE;
6071 	}
6072 	if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP2_INDEX])) {
6073 		DRM_DEBUG("si_irq_set: sw int cp2\n");
6074 		cp_int_cntl2 |= TIME_STAMP_INT_ENABLE;
6075 	}
6076 	if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
6077 		DRM_DEBUG("si_irq_set: sw int dma\n");
6078 		dma_cntl |= TRAP_ENABLE;
6079 	}
6080 
6081 	if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_DMA1_INDEX])) {
6082 		DRM_DEBUG("si_irq_set: sw int dma1\n");
6083 		dma_cntl1 |= TRAP_ENABLE;
6084 	}
6085 	if (rdev->irq.crtc_vblank_int[0] ||
6086 	    atomic_read(&rdev->irq.pflip[0])) {
6087 		DRM_DEBUG("si_irq_set: vblank 0\n");
6088 		crtc1 |= VBLANK_INT_MASK;
6089 	}
6090 	if (rdev->irq.crtc_vblank_int[1] ||
6091 	    atomic_read(&rdev->irq.pflip[1])) {
6092 		DRM_DEBUG("si_irq_set: vblank 1\n");
6093 		crtc2 |= VBLANK_INT_MASK;
6094 	}
6095 	if (rdev->irq.crtc_vblank_int[2] ||
6096 	    atomic_read(&rdev->irq.pflip[2])) {
6097 		DRM_DEBUG("si_irq_set: vblank 2\n");
6098 		crtc3 |= VBLANK_INT_MASK;
6099 	}
6100 	if (rdev->irq.crtc_vblank_int[3] ||
6101 	    atomic_read(&rdev->irq.pflip[3])) {
6102 		DRM_DEBUG("si_irq_set: vblank 3\n");
6103 		crtc4 |= VBLANK_INT_MASK;
6104 	}
6105 	if (rdev->irq.crtc_vblank_int[4] ||
6106 	    atomic_read(&rdev->irq.pflip[4])) {
6107 		DRM_DEBUG("si_irq_set: vblank 4\n");
6108 		crtc5 |= VBLANK_INT_MASK;
6109 	}
6110 	if (rdev->irq.crtc_vblank_int[5] ||
6111 	    atomic_read(&rdev->irq.pflip[5])) {
6112 		DRM_DEBUG("si_irq_set: vblank 5\n");
6113 		crtc6 |= VBLANK_INT_MASK;
6114 	}
6115 	if (rdev->irq.hpd[0]) {
6116 		DRM_DEBUG("si_irq_set: hpd 1\n");
6117 		hpd1 |= DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN;
6118 	}
6119 	if (rdev->irq.hpd[1]) {
6120 		DRM_DEBUG("si_irq_set: hpd 2\n");
6121 		hpd2 |= DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN;
6122 	}
6123 	if (rdev->irq.hpd[2]) {
6124 		DRM_DEBUG("si_irq_set: hpd 3\n");
6125 		hpd3 |= DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN;
6126 	}
6127 	if (rdev->irq.hpd[3]) {
6128 		DRM_DEBUG("si_irq_set: hpd 4\n");
6129 		hpd4 |= DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN;
6130 	}
6131 	if (rdev->irq.hpd[4]) {
6132 		DRM_DEBUG("si_irq_set: hpd 5\n");
6133 		hpd5 |= DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN;
6134 	}
6135 	if (rdev->irq.hpd[5]) {
6136 		DRM_DEBUG("si_irq_set: hpd 6\n");
6137 		hpd6 |= DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN;
6138 	}
6139 
6140 	WREG32(CP_INT_CNTL_RING0, cp_int_cntl);
6141 	WREG32(CP_INT_CNTL_RING1, cp_int_cntl1);
6142 	WREG32(CP_INT_CNTL_RING2, cp_int_cntl2);
6143 
6144 	WREG32(DMA_CNTL + DMA0_REGISTER_OFFSET, dma_cntl);
6145 	WREG32(DMA_CNTL + DMA1_REGISTER_OFFSET, dma_cntl1);
6146 
6147 	WREG32(GRBM_INT_CNTL, grbm_int_cntl);
6148 
6149 	if (rdev->irq.dpm_thermal) {
6150 		DRM_DEBUG("dpm thermal\n");
6151 		thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW;
6152 	}
6153 
6154 	if (rdev->num_crtc >= 2) {
6155 		WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
6156 		WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
6157 	}
6158 	if (rdev->num_crtc >= 4) {
6159 		WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3);
6160 		WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4);
6161 	}
6162 	if (rdev->num_crtc >= 6) {
6163 		WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5);
6164 		WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6);
6165 	}
6166 
6167 	if (rdev->num_crtc >= 2) {
6168 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET,
6169 		       GRPH_PFLIP_INT_MASK);
6170 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET,
6171 		       GRPH_PFLIP_INT_MASK);
6172 	}
6173 	if (rdev->num_crtc >= 4) {
6174 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET,
6175 		       GRPH_PFLIP_INT_MASK);
6176 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET,
6177 		       GRPH_PFLIP_INT_MASK);
6178 	}
6179 	if (rdev->num_crtc >= 6) {
6180 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET,
6181 		       GRPH_PFLIP_INT_MASK);
6182 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET,
6183 		       GRPH_PFLIP_INT_MASK);
6184 	}
6185 
6186 	if (!ASIC_IS_NODCE(rdev)) {
6187 		WREG32(DC_HPD1_INT_CONTROL, hpd1);
6188 		WREG32(DC_HPD2_INT_CONTROL, hpd2);
6189 		WREG32(DC_HPD3_INT_CONTROL, hpd3);
6190 		WREG32(DC_HPD4_INT_CONTROL, hpd4);
6191 		WREG32(DC_HPD5_INT_CONTROL, hpd5);
6192 		WREG32(DC_HPD6_INT_CONTROL, hpd6);
6193 	}
6194 
6195 	WREG32(CG_THERMAL_INT, thermal_int);
6196 
6197 	/* posting read */
6198 	RREG32(SRBM_STATUS);
6199 
6200 	return 0;
6201 }
6202 
6203 static inline void si_irq_ack(struct radeon_device *rdev)
6204 {
6205 	u32 tmp;
6206 
6207 	if (ASIC_IS_NODCE(rdev))
6208 		return;
6209 
6210 	rdev->irq.stat_regs.evergreen.disp_int = RREG32(DISP_INTERRUPT_STATUS);
6211 	rdev->irq.stat_regs.evergreen.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
6212 	rdev->irq.stat_regs.evergreen.disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2);
6213 	rdev->irq.stat_regs.evergreen.disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3);
6214 	rdev->irq.stat_regs.evergreen.disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4);
6215 	rdev->irq.stat_regs.evergreen.disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5);
6216 	rdev->irq.stat_regs.evergreen.d1grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET);
6217 	rdev->irq.stat_regs.evergreen.d2grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET);
6218 	if (rdev->num_crtc >= 4) {
6219 		rdev->irq.stat_regs.evergreen.d3grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET);
6220 		rdev->irq.stat_regs.evergreen.d4grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET);
6221 	}
6222 	if (rdev->num_crtc >= 6) {
6223 		rdev->irq.stat_regs.evergreen.d5grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET);
6224 		rdev->irq.stat_regs.evergreen.d6grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET);
6225 	}
6226 
6227 	if (rdev->irq.stat_regs.evergreen.d1grph_int & GRPH_PFLIP_INT_OCCURRED)
6228 		WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6229 	if (rdev->irq.stat_regs.evergreen.d2grph_int & GRPH_PFLIP_INT_OCCURRED)
6230 		WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6231 	if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT)
6232 		WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK);
6233 	if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT)
6234 		WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK);
6235 	if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT)
6236 		WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK);
6237 	if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT)
6238 		WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK);
6239 
6240 	if (rdev->num_crtc >= 4) {
6241 		if (rdev->irq.stat_regs.evergreen.d3grph_int & GRPH_PFLIP_INT_OCCURRED)
6242 			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6243 		if (rdev->irq.stat_regs.evergreen.d4grph_int & GRPH_PFLIP_INT_OCCURRED)
6244 			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6245 		if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)
6246 			WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK);
6247 		if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT)
6248 			WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK);
6249 		if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)
6250 			WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK);
6251 		if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT)
6252 			WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK);
6253 	}
6254 
6255 	if (rdev->num_crtc >= 6) {
6256 		if (rdev->irq.stat_regs.evergreen.d5grph_int & GRPH_PFLIP_INT_OCCURRED)
6257 			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6258 		if (rdev->irq.stat_regs.evergreen.d6grph_int & GRPH_PFLIP_INT_OCCURRED)
6259 			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6260 		if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)
6261 			WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK);
6262 		if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT)
6263 			WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK);
6264 		if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)
6265 			WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK);
6266 		if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT)
6267 			WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK);
6268 	}
6269 
6270 	if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
6271 		tmp = RREG32(DC_HPD1_INT_CONTROL);
6272 		tmp |= DC_HPDx_INT_ACK;
6273 		WREG32(DC_HPD1_INT_CONTROL, tmp);
6274 	}
6275 	if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
6276 		tmp = RREG32(DC_HPD2_INT_CONTROL);
6277 		tmp |= DC_HPDx_INT_ACK;
6278 		WREG32(DC_HPD2_INT_CONTROL, tmp);
6279 	}
6280 	if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
6281 		tmp = RREG32(DC_HPD3_INT_CONTROL);
6282 		tmp |= DC_HPDx_INT_ACK;
6283 		WREG32(DC_HPD3_INT_CONTROL, tmp);
6284 	}
6285 	if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
6286 		tmp = RREG32(DC_HPD4_INT_CONTROL);
6287 		tmp |= DC_HPDx_INT_ACK;
6288 		WREG32(DC_HPD4_INT_CONTROL, tmp);
6289 	}
6290 	if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
6291 		tmp = RREG32(DC_HPD5_INT_CONTROL);
6292 		tmp |= DC_HPDx_INT_ACK;
6293 		WREG32(DC_HPD5_INT_CONTROL, tmp);
6294 	}
6295 	if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
6296 		tmp = RREG32(DC_HPD5_INT_CONTROL);
6297 		tmp |= DC_HPDx_INT_ACK;
6298 		WREG32(DC_HPD6_INT_CONTROL, tmp);
6299 	}
6300 
6301 	if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_RX_INTERRUPT) {
6302 		tmp = RREG32(DC_HPD1_INT_CONTROL);
6303 		tmp |= DC_HPDx_RX_INT_ACK;
6304 		WREG32(DC_HPD1_INT_CONTROL, tmp);
6305 	}
6306 	if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_RX_INTERRUPT) {
6307 		tmp = RREG32(DC_HPD2_INT_CONTROL);
6308 		tmp |= DC_HPDx_RX_INT_ACK;
6309 		WREG32(DC_HPD2_INT_CONTROL, tmp);
6310 	}
6311 	if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_RX_INTERRUPT) {
6312 		tmp = RREG32(DC_HPD3_INT_CONTROL);
6313 		tmp |= DC_HPDx_RX_INT_ACK;
6314 		WREG32(DC_HPD3_INT_CONTROL, tmp);
6315 	}
6316 	if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_RX_INTERRUPT) {
6317 		tmp = RREG32(DC_HPD4_INT_CONTROL);
6318 		tmp |= DC_HPDx_RX_INT_ACK;
6319 		WREG32(DC_HPD4_INT_CONTROL, tmp);
6320 	}
6321 	if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_RX_INTERRUPT) {
6322 		tmp = RREG32(DC_HPD5_INT_CONTROL);
6323 		tmp |= DC_HPDx_RX_INT_ACK;
6324 		WREG32(DC_HPD5_INT_CONTROL, tmp);
6325 	}
6326 	if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_RX_INTERRUPT) {
6327 		tmp = RREG32(DC_HPD5_INT_CONTROL);
6328 		tmp |= DC_HPDx_RX_INT_ACK;
6329 		WREG32(DC_HPD6_INT_CONTROL, tmp);
6330 	}
6331 }
6332 
6333 static void si_irq_disable(struct radeon_device *rdev)
6334 {
6335 	si_disable_interrupts(rdev);
6336 	/* Wait and acknowledge irq */
6337 	mdelay(1);
6338 	si_irq_ack(rdev);
6339 	si_disable_interrupt_state(rdev);
6340 }
6341 
6342 static void si_irq_suspend(struct radeon_device *rdev)
6343 {
6344 	si_irq_disable(rdev);
6345 	si_rlc_stop(rdev);
6346 }
6347 
6348 static void si_irq_fini(struct radeon_device *rdev)
6349 {
6350 	si_irq_suspend(rdev);
6351 	r600_ih_ring_fini(rdev);
6352 }
6353 
6354 static inline u32 si_get_ih_wptr(struct radeon_device *rdev)
6355 {
6356 	u32 wptr, tmp;
6357 
6358 	if (rdev->wb.enabled)
6359 		wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
6360 	else
6361 		wptr = RREG32(IH_RB_WPTR);
6362 
6363 	if (wptr & RB_OVERFLOW) {
6364 		wptr &= ~RB_OVERFLOW;
6365 		/* When a ring buffer overflow happen start parsing interrupt
6366 		 * from the last not overwritten vector (wptr + 16). Hopefully
6367 		 * this should allow us to catchup.
6368 		 */
6369 		dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
6370 			 wptr, rdev->ih.rptr, (wptr + 16) & rdev->ih.ptr_mask);
6371 		rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
6372 		tmp = RREG32(IH_RB_CNTL);
6373 		tmp |= IH_WPTR_OVERFLOW_CLEAR;
6374 		WREG32(IH_RB_CNTL, tmp);
6375 	}
6376 	return (wptr & rdev->ih.ptr_mask);
6377 }
6378 
6379 /*        SI IV Ring
6380  * Each IV ring entry is 128 bits:
6381  * [7:0]    - interrupt source id
6382  * [31:8]   - reserved
6383  * [59:32]  - interrupt source data
6384  * [63:60]  - reserved
6385  * [71:64]  - RINGID
6386  * [79:72]  - VMID
6387  * [127:80] - reserved
6388  */
6389 int si_irq_process(struct radeon_device *rdev)
6390 {
6391 	u32 wptr;
6392 	u32 rptr;
6393 	u32 src_id, src_data, ring_id;
6394 	u32 ring_index;
6395 	bool queue_hotplug = false;
6396 	bool queue_dp = false;
6397 	bool queue_thermal = false;
6398 	u32 status, addr;
6399 
6400 	if (!rdev->ih.enabled || rdev->shutdown)
6401 		return IRQ_NONE;
6402 
6403 	wptr = si_get_ih_wptr(rdev);
6404 
6405 restart_ih:
6406 	/* is somebody else already processing irqs? */
6407 	if (atomic_xchg(&rdev->ih.lock, 1))
6408 		return IRQ_NONE;
6409 
6410 	rptr = rdev->ih.rptr;
6411 	DRM_DEBUG("si_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
6412 
6413 	/* Order reading of wptr vs. reading of IH ring data */
6414 	rmb();
6415 
6416 	/* display interrupts */
6417 	si_irq_ack(rdev);
6418 
6419 	while (rptr != wptr) {
6420 		/* wptr/rptr are in bytes! */
6421 		ring_index = rptr / 4;
6422 		src_id =  le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
6423 		src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
6424 		ring_id = le32_to_cpu(rdev->ih.ring[ring_index + 2]) & 0xff;
6425 
6426 		switch (src_id) {
6427 		case 1: /* D1 vblank/vline */
6428 			switch (src_data) {
6429 			case 0: /* D1 vblank */
6430 				if (!(rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT))
6431 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6432 
6433 				if (rdev->irq.crtc_vblank_int[0]) {
6434 					drm_handle_vblank(rdev->ddev, 0);
6435 					rdev->pm.vblank_sync = true;
6436 					wake_up(&rdev->irq.vblank_queue);
6437 				}
6438 				if (atomic_read(&rdev->irq.pflip[0]))
6439 					radeon_crtc_handle_vblank(rdev, 0);
6440 				rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
6441 				DRM_DEBUG("IH: D1 vblank\n");
6442 
6443 				break;
6444 			case 1: /* D1 vline */
6445 				if (!(rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT))
6446 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6447 
6448 				rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VLINE_INTERRUPT;
6449 				DRM_DEBUG("IH: D1 vline\n");
6450 
6451 				break;
6452 			default:
6453 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6454 				break;
6455 			}
6456 			break;
6457 		case 2: /* D2 vblank/vline */
6458 			switch (src_data) {
6459 			case 0: /* D2 vblank */
6460 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT))
6461 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6462 
6463 				if (rdev->irq.crtc_vblank_int[1]) {
6464 					drm_handle_vblank(rdev->ddev, 1);
6465 					rdev->pm.vblank_sync = true;
6466 					wake_up(&rdev->irq.vblank_queue);
6467 				}
6468 				if (atomic_read(&rdev->irq.pflip[1]))
6469 					radeon_crtc_handle_vblank(rdev, 1);
6470 				rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
6471 				DRM_DEBUG("IH: D2 vblank\n");
6472 
6473 				break;
6474 			case 1: /* D2 vline */
6475 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT))
6476 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6477 
6478 				rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT;
6479 				DRM_DEBUG("IH: D2 vline\n");
6480 
6481 				break;
6482 			default:
6483 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6484 				break;
6485 			}
6486 			break;
6487 		case 3: /* D3 vblank/vline */
6488 			switch (src_data) {
6489 			case 0: /* D3 vblank */
6490 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT))
6491 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6492 
6493 				if (rdev->irq.crtc_vblank_int[2]) {
6494 					drm_handle_vblank(rdev->ddev, 2);
6495 					rdev->pm.vblank_sync = true;
6496 					wake_up(&rdev->irq.vblank_queue);
6497 				}
6498 				if (atomic_read(&rdev->irq.pflip[2]))
6499 					radeon_crtc_handle_vblank(rdev, 2);
6500 				rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
6501 				DRM_DEBUG("IH: D3 vblank\n");
6502 
6503 				break;
6504 			case 1: /* D3 vline */
6505 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT))
6506 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6507 
6508 				rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT;
6509 				DRM_DEBUG("IH: D3 vline\n");
6510 
6511 				break;
6512 			default:
6513 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6514 				break;
6515 			}
6516 			break;
6517 		case 4: /* D4 vblank/vline */
6518 			switch (src_data) {
6519 			case 0: /* D4 vblank */
6520 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT))
6521 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6522 
6523 				if (rdev->irq.crtc_vblank_int[3]) {
6524 					drm_handle_vblank(rdev->ddev, 3);
6525 					rdev->pm.vblank_sync = true;
6526 					wake_up(&rdev->irq.vblank_queue);
6527 				}
6528 				if (atomic_read(&rdev->irq.pflip[3]))
6529 					radeon_crtc_handle_vblank(rdev, 3);
6530 				rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
6531 				DRM_DEBUG("IH: D4 vblank\n");
6532 
6533 				break;
6534 			case 1: /* D4 vline */
6535 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT))
6536 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6537 
6538 				rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT;
6539 				DRM_DEBUG("IH: D4 vline\n");
6540 
6541 				break;
6542 			default:
6543 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6544 				break;
6545 			}
6546 			break;
6547 		case 5: /* D5 vblank/vline */
6548 			switch (src_data) {
6549 			case 0: /* D5 vblank */
6550 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT))
6551 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6552 
6553 				if (rdev->irq.crtc_vblank_int[4]) {
6554 					drm_handle_vblank(rdev->ddev, 4);
6555 					rdev->pm.vblank_sync = true;
6556 					wake_up(&rdev->irq.vblank_queue);
6557 				}
6558 				if (atomic_read(&rdev->irq.pflip[4]))
6559 					radeon_crtc_handle_vblank(rdev, 4);
6560 				rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
6561 				DRM_DEBUG("IH: D5 vblank\n");
6562 
6563 				break;
6564 			case 1: /* D5 vline */
6565 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT))
6566 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6567 
6568 				rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT;
6569 				DRM_DEBUG("IH: D5 vline\n");
6570 
6571 				break;
6572 			default:
6573 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6574 				break;
6575 			}
6576 			break;
6577 		case 6: /* D6 vblank/vline */
6578 			switch (src_data) {
6579 			case 0: /* D6 vblank */
6580 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT))
6581 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6582 
6583 				if (rdev->irq.crtc_vblank_int[5]) {
6584 					drm_handle_vblank(rdev->ddev, 5);
6585 					rdev->pm.vblank_sync = true;
6586 					wake_up(&rdev->irq.vblank_queue);
6587 				}
6588 				if (atomic_read(&rdev->irq.pflip[5]))
6589 					radeon_crtc_handle_vblank(rdev, 5);
6590 				rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
6591 				DRM_DEBUG("IH: D6 vblank\n");
6592 
6593 				break;
6594 			case 1: /* D6 vline */
6595 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT))
6596 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6597 
6598 				rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT;
6599 				DRM_DEBUG("IH: D6 vline\n");
6600 
6601 				break;
6602 			default:
6603 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6604 				break;
6605 			}
6606 			break;
6607 		case 8: /* D1 page flip */
6608 		case 10: /* D2 page flip */
6609 		case 12: /* D3 page flip */
6610 		case 14: /* D4 page flip */
6611 		case 16: /* D5 page flip */
6612 		case 18: /* D6 page flip */
6613 			DRM_DEBUG("IH: D%d flip\n", ((src_id - 8) >> 1) + 1);
6614 			if (radeon_use_pflipirq > 0)
6615 				radeon_crtc_handle_flip(rdev, (src_id - 8) >> 1);
6616 			break;
6617 		case 42: /* HPD hotplug */
6618 			switch (src_data) {
6619 			case 0:
6620 				if (!(rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT))
6621 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6622 
6623 				rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_INTERRUPT;
6624 				queue_hotplug = true;
6625 				DRM_DEBUG("IH: HPD1\n");
6626 
6627 				break;
6628 			case 1:
6629 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT))
6630 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6631 
6632 				rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_INTERRUPT;
6633 				queue_hotplug = true;
6634 				DRM_DEBUG("IH: HPD2\n");
6635 
6636 				break;
6637 			case 2:
6638 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT))
6639 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6640 
6641 				rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_INTERRUPT;
6642 				queue_hotplug = true;
6643 				DRM_DEBUG("IH: HPD3\n");
6644 
6645 				break;
6646 			case 3:
6647 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT))
6648 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6649 
6650 				rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_INTERRUPT;
6651 				queue_hotplug = true;
6652 				DRM_DEBUG("IH: HPD4\n");
6653 
6654 				break;
6655 			case 4:
6656 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT))
6657 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6658 
6659 				rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_INTERRUPT;
6660 				queue_hotplug = true;
6661 				DRM_DEBUG("IH: HPD5\n");
6662 
6663 				break;
6664 			case 5:
6665 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT))
6666 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6667 
6668 				rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_INTERRUPT;
6669 				queue_hotplug = true;
6670 				DRM_DEBUG("IH: HPD6\n");
6671 
6672 				break;
6673 			case 6:
6674 				if (!(rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_RX_INTERRUPT))
6675 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6676 
6677 				rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_RX_INTERRUPT;
6678 				queue_dp = true;
6679 				DRM_DEBUG("IH: HPD_RX 1\n");
6680 
6681 				break;
6682 			case 7:
6683 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_RX_INTERRUPT))
6684 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6685 
6686 				rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_RX_INTERRUPT;
6687 				queue_dp = true;
6688 				DRM_DEBUG("IH: HPD_RX 2\n");
6689 
6690 				break;
6691 			case 8:
6692 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_RX_INTERRUPT))
6693 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6694 
6695 				rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_RX_INTERRUPT;
6696 				queue_dp = true;
6697 				DRM_DEBUG("IH: HPD_RX 3\n");
6698 
6699 				break;
6700 			case 9:
6701 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_RX_INTERRUPT))
6702 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6703 
6704 				rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_RX_INTERRUPT;
6705 				queue_dp = true;
6706 				DRM_DEBUG("IH: HPD_RX 4\n");
6707 
6708 				break;
6709 			case 10:
6710 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_RX_INTERRUPT))
6711 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6712 
6713 				rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_RX_INTERRUPT;
6714 				queue_dp = true;
6715 				DRM_DEBUG("IH: HPD_RX 5\n");
6716 
6717 				break;
6718 			case 11:
6719 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_RX_INTERRUPT))
6720 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6721 
6722 				rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_RX_INTERRUPT;
6723 				queue_dp = true;
6724 				DRM_DEBUG("IH: HPD_RX 6\n");
6725 
6726 				break;
6727 			default:
6728 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6729 				break;
6730 			}
6731 			break;
6732 		case 96:
6733 			DRM_ERROR("SRBM_READ_ERROR: 0x%x\n", RREG32(SRBM_READ_ERROR));
6734 			WREG32(SRBM_INT_ACK, 0x1);
6735 			break;
6736 		case 124: /* UVD */
6737 			DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
6738 			radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
6739 			break;
6740 		case 146:
6741 		case 147:
6742 			addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR);
6743 			status = RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS);
6744 			/* reset addr and status */
6745 			WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
6746 			if (addr == 0x0 && status == 0x0)
6747 				break;
6748 			dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data);
6749 			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
6750 				addr);
6751 			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
6752 				status);
6753 			si_vm_decode_fault(rdev, status, addr);
6754 			break;
6755 		case 176: /* RINGID0 CP_INT */
6756 			radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
6757 			break;
6758 		case 177: /* RINGID1 CP_INT */
6759 			radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
6760 			break;
6761 		case 178: /* RINGID2 CP_INT */
6762 			radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
6763 			break;
6764 		case 181: /* CP EOP event */
6765 			DRM_DEBUG("IH: CP EOP\n");
6766 			switch (ring_id) {
6767 			case 0:
6768 				radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
6769 				break;
6770 			case 1:
6771 				radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
6772 				break;
6773 			case 2:
6774 				radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
6775 				break;
6776 			}
6777 			break;
6778 		case 224: /* DMA trap event */
6779 			DRM_DEBUG("IH: DMA trap\n");
6780 			radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
6781 			break;
6782 		case 230: /* thermal low to high */
6783 			DRM_DEBUG("IH: thermal low to high\n");
6784 			rdev->pm.dpm.thermal.high_to_low = false;
6785 			queue_thermal = true;
6786 			break;
6787 		case 231: /* thermal high to low */
6788 			DRM_DEBUG("IH: thermal high to low\n");
6789 			rdev->pm.dpm.thermal.high_to_low = true;
6790 			queue_thermal = true;
6791 			break;
6792 		case 233: /* GUI IDLE */
6793 			DRM_DEBUG("IH: GUI idle\n");
6794 			break;
6795 		case 244: /* DMA trap event */
6796 			DRM_DEBUG("IH: DMA1 trap\n");
6797 			radeon_fence_process(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
6798 			break;
6799 		default:
6800 			DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6801 			break;
6802 		}
6803 
6804 		/* wptr/rptr are in bytes! */
6805 		rptr += 16;
6806 		rptr &= rdev->ih.ptr_mask;
6807 		WREG32(IH_RB_RPTR, rptr);
6808 	}
6809 	if (queue_dp)
6810 		schedule_work(&rdev->dp_work);
6811 	if (queue_hotplug)
6812 		schedule_delayed_work(&rdev->hotplug_work, 0);
6813 	if (queue_thermal && rdev->pm.dpm_enabled)
6814 		schedule_work(&rdev->pm.dpm.thermal.work);
6815 	rdev->ih.rptr = rptr;
6816 	atomic_set(&rdev->ih.lock, 0);
6817 
6818 	/* make sure wptr hasn't changed while processing */
6819 	wptr = si_get_ih_wptr(rdev);
6820 	if (wptr != rptr)
6821 		goto restart_ih;
6822 
6823 	return IRQ_HANDLED;
6824 }
6825 
6826 /*
6827  * startup/shutdown callbacks
6828  */
6829 static void si_uvd_init(struct radeon_device *rdev)
6830 {
6831 	int r;
6832 
6833 	if (!rdev->has_uvd)
6834 		return;
6835 
6836 	r = radeon_uvd_init(rdev);
6837 	if (r) {
6838 		dev_err(rdev->dev, "failed UVD (%d) init.\n", r);
6839 		/*
6840 		 * At this point rdev->uvd.vcpu_bo is NULL which trickles down
6841 		 * to early fails uvd_v2_2_resume() and thus nothing happens
6842 		 * there. So it is pointless to try to go through that code
6843 		 * hence why we disable uvd here.
6844 		 */
6845 		rdev->has_uvd = 0;
6846 		return;
6847 	}
6848 	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
6849 	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
6850 }
6851 
6852 static void si_uvd_start(struct radeon_device *rdev)
6853 {
6854 	int r;
6855 
6856 	if (!rdev->has_uvd)
6857 		return;
6858 
6859 	r = uvd_v2_2_resume(rdev);
6860 	if (r) {
6861 		dev_err(rdev->dev, "failed UVD resume (%d).\n", r);
6862 		goto error;
6863 	}
6864 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
6865 	if (r) {
6866 		dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
6867 		goto error;
6868 	}
6869 	return;
6870 
6871 error:
6872 	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
6873 }
6874 
6875 static void si_uvd_resume(struct radeon_device *rdev)
6876 {
6877 	struct radeon_ring *ring;
6878 	int r;
6879 
6880 	if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size)
6881 		return;
6882 
6883 	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
6884 	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, RADEON_CP_PACKET2);
6885 	if (r) {
6886 		dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r);
6887 		return;
6888 	}
6889 	r = uvd_v1_0_init(rdev);
6890 	if (r) {
6891 		dev_err(rdev->dev, "failed initializing UVD (%d).\n", r);
6892 		return;
6893 	}
6894 }
6895 
6896 static void si_vce_init(struct radeon_device *rdev)
6897 {
6898 	int r;
6899 
6900 	if (!rdev->has_vce)
6901 		return;
6902 
6903 	r = radeon_vce_init(rdev);
6904 	if (r) {
6905 		dev_err(rdev->dev, "failed VCE (%d) init.\n", r);
6906 		/*
6907 		 * At this point rdev->vce.vcpu_bo is NULL which trickles down
6908 		 * to early fails si_vce_start() and thus nothing happens
6909 		 * there. So it is pointless to try to go through that code
6910 		 * hence why we disable vce here.
6911 		 */
6912 		rdev->has_vce = 0;
6913 		return;
6914 	}
6915 	rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_obj = NULL;
6916 	r600_ring_init(rdev, &rdev->ring[TN_RING_TYPE_VCE1_INDEX], 4096);
6917 	rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_obj = NULL;
6918 	r600_ring_init(rdev, &rdev->ring[TN_RING_TYPE_VCE2_INDEX], 4096);
6919 }
6920 
6921 static void si_vce_start(struct radeon_device *rdev)
6922 {
6923 	int r;
6924 
6925 	if (!rdev->has_vce)
6926 		return;
6927 
6928 	r = radeon_vce_resume(rdev);
6929 	if (r) {
6930 		dev_err(rdev->dev, "failed VCE resume (%d).\n", r);
6931 		goto error;
6932 	}
6933 	r = vce_v1_0_resume(rdev);
6934 	if (r) {
6935 		dev_err(rdev->dev, "failed VCE resume (%d).\n", r);
6936 		goto error;
6937 	}
6938 	r = radeon_fence_driver_start_ring(rdev, TN_RING_TYPE_VCE1_INDEX);
6939 	if (r) {
6940 		dev_err(rdev->dev, "failed initializing VCE1 fences (%d).\n", r);
6941 		goto error;
6942 	}
6943 	r = radeon_fence_driver_start_ring(rdev, TN_RING_TYPE_VCE2_INDEX);
6944 	if (r) {
6945 		dev_err(rdev->dev, "failed initializing VCE2 fences (%d).\n", r);
6946 		goto error;
6947 	}
6948 	return;
6949 
6950 error:
6951 	rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size = 0;
6952 	rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_size = 0;
6953 }
6954 
6955 static void si_vce_resume(struct radeon_device *rdev)
6956 {
6957 	struct radeon_ring *ring;
6958 	int r;
6959 
6960 	if (!rdev->has_vce || !rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size)
6961 		return;
6962 
6963 	ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
6964 	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, VCE_CMD_NO_OP);
6965 	if (r) {
6966 		dev_err(rdev->dev, "failed initializing VCE1 ring (%d).\n", r);
6967 		return;
6968 	}
6969 	ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
6970 	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, VCE_CMD_NO_OP);
6971 	if (r) {
6972 		dev_err(rdev->dev, "failed initializing VCE1 ring (%d).\n", r);
6973 		return;
6974 	}
6975 	r = vce_v1_0_init(rdev);
6976 	if (r) {
6977 		dev_err(rdev->dev, "failed initializing VCE (%d).\n", r);
6978 		return;
6979 	}
6980 }
6981 
6982 static int si_startup(struct radeon_device *rdev)
6983 {
6984 	struct radeon_ring *ring;
6985 	int r;
6986 
6987 	/* enable pcie gen2/3 link */
6988 	si_pcie_gen3_enable(rdev);
6989 	/* enable aspm */
6990 	si_program_aspm(rdev);
6991 
6992 	/* scratch needs to be initialized before MC */
6993 	r = r600_vram_scratch_init(rdev);
6994 	if (r)
6995 		return r;
6996 
6997 	si_mc_program(rdev);
6998 
6999 	if (!rdev->pm.dpm_enabled) {
7000 		r = si_mc_load_microcode(rdev);
7001 		if (r) {
7002 			DRM_ERROR("Failed to load MC firmware!\n");
7003 			return r;
7004 		}
7005 	}
7006 
7007 	r = si_pcie_gart_enable(rdev);
7008 	if (r)
7009 		return r;
7010 	si_gpu_init(rdev);
7011 
7012 	/* allocate rlc buffers */
7013 	if (rdev->family == CHIP_VERDE) {
7014 		rdev->rlc.reg_list = verde_rlc_save_restore_register_list;
7015 		rdev->rlc.reg_list_size =
7016 			(u32)ARRAY_SIZE(verde_rlc_save_restore_register_list);
7017 	}
7018 	rdev->rlc.cs_data = si_cs_data;
7019 	r = sumo_rlc_init(rdev);
7020 	if (r) {
7021 		DRM_ERROR("Failed to init rlc BOs!\n");
7022 		return r;
7023 	}
7024 
7025 	/* allocate wb buffer */
7026 	r = radeon_wb_init(rdev);
7027 	if (r)
7028 		return r;
7029 
7030 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
7031 	if (r) {
7032 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
7033 		return r;
7034 	}
7035 
7036 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
7037 	if (r) {
7038 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
7039 		return r;
7040 	}
7041 
7042 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
7043 	if (r) {
7044 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
7045 		return r;
7046 	}
7047 
7048 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
7049 	if (r) {
7050 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
7051 		return r;
7052 	}
7053 
7054 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
7055 	if (r) {
7056 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
7057 		return r;
7058 	}
7059 
7060 	si_uvd_start(rdev);
7061 	si_vce_start(rdev);
7062 
7063 	/* Enable IRQ */
7064 	if (!rdev->irq.installed) {
7065 		r = radeon_irq_kms_init(rdev);
7066 		if (r)
7067 			return r;
7068 	}
7069 
7070 	r = si_irq_init(rdev);
7071 	if (r) {
7072 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
7073 		radeon_irq_kms_fini(rdev);
7074 		return r;
7075 	}
7076 	si_irq_set(rdev);
7077 
7078 	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
7079 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
7080 			     RADEON_CP_PACKET2);
7081 	if (r)
7082 		return r;
7083 
7084 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
7085 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP1_RPTR_OFFSET,
7086 			     RADEON_CP_PACKET2);
7087 	if (r)
7088 		return r;
7089 
7090 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
7091 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP2_RPTR_OFFSET,
7092 			     RADEON_CP_PACKET2);
7093 	if (r)
7094 		return r;
7095 
7096 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
7097 	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
7098 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0));
7099 	if (r)
7100 		return r;
7101 
7102 	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
7103 	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
7104 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0));
7105 	if (r)
7106 		return r;
7107 
7108 	r = si_cp_load_microcode(rdev);
7109 	if (r)
7110 		return r;
7111 	r = si_cp_resume(rdev);
7112 	if (r)
7113 		return r;
7114 
7115 	r = cayman_dma_resume(rdev);
7116 	if (r)
7117 		return r;
7118 
7119 	si_uvd_resume(rdev);
7120 	si_vce_resume(rdev);
7121 
7122 	r = radeon_ib_pool_init(rdev);
7123 	if (r) {
7124 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
7125 		return r;
7126 	}
7127 
7128 	r = radeon_vm_manager_init(rdev);
7129 	if (r) {
7130 		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
7131 		return r;
7132 	}
7133 
7134 	r = radeon_audio_init(rdev);
7135 	if (r)
7136 		return r;
7137 
7138 	return 0;
7139 }
7140 
7141 int si_resume(struct radeon_device *rdev)
7142 {
7143 	int r;
7144 
7145 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
7146 	 * posting will perform necessary task to bring back GPU into good
7147 	 * shape.
7148 	 */
7149 	/* post card */
7150 	atom_asic_init(rdev->mode_info.atom_context);
7151 
7152 	/* init golden registers */
7153 	si_init_golden_registers(rdev);
7154 
7155 	if (rdev->pm.pm_method == PM_METHOD_DPM)
7156 		radeon_pm_resume(rdev);
7157 
7158 	rdev->accel_working = true;
7159 	r = si_startup(rdev);
7160 	if (r) {
7161 		DRM_ERROR("si startup failed on resume\n");
7162 		rdev->accel_working = false;
7163 		return r;
7164 	}
7165 
7166 	return r;
7167 
7168 }
7169 
7170 int si_suspend(struct radeon_device *rdev)
7171 {
7172 	radeon_pm_suspend(rdev);
7173 	radeon_audio_fini(rdev);
7174 	radeon_vm_manager_fini(rdev);
7175 	si_cp_enable(rdev, false);
7176 	cayman_dma_stop(rdev);
7177 	if (rdev->has_uvd) {
7178 		uvd_v1_0_fini(rdev);
7179 		radeon_uvd_suspend(rdev);
7180 	}
7181 	if (rdev->has_vce)
7182 		radeon_vce_suspend(rdev);
7183 	si_fini_pg(rdev);
7184 	si_fini_cg(rdev);
7185 	si_irq_suspend(rdev);
7186 	radeon_wb_disable(rdev);
7187 	si_pcie_gart_disable(rdev);
7188 	return 0;
7189 }
7190 
7191 /* Plan is to move initialization in that function and use
7192  * helper function so that radeon_device_init pretty much
7193  * do nothing more than calling asic specific function. This
7194  * should also allow to remove a bunch of callback function
7195  * like vram_info.
7196  */
7197 int si_init(struct radeon_device *rdev)
7198 {
7199 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
7200 	int r;
7201 
7202 	/* Read BIOS */
7203 	if (!radeon_get_bios(rdev)) {
7204 		if (ASIC_IS_AVIVO(rdev))
7205 			return -EINVAL;
7206 	}
7207 	/* Must be an ATOMBIOS */
7208 	if (!rdev->is_atom_bios) {
7209 		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
7210 		return -EINVAL;
7211 	}
7212 	r = radeon_atombios_init(rdev);
7213 	if (r)
7214 		return r;
7215 
7216 	/* Post card if necessary */
7217 	if (!radeon_card_posted(rdev)) {
7218 		if (!rdev->bios) {
7219 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
7220 			return -EINVAL;
7221 		}
7222 		DRM_INFO("GPU not posted. posting now...\n");
7223 		atom_asic_init(rdev->mode_info.atom_context);
7224 	}
7225 	/* init golden registers */
7226 	si_init_golden_registers(rdev);
7227 	/* Initialize scratch registers */
7228 	si_scratch_init(rdev);
7229 	/* Initialize surface registers */
7230 	radeon_surface_init(rdev);
7231 	/* Initialize clocks */
7232 	radeon_get_clock_info(rdev->ddev);
7233 
7234 	/* Fence driver */
7235 	r = radeon_fence_driver_init(rdev);
7236 	if (r)
7237 		return r;
7238 
7239 	/* initialize memory controller */
7240 	r = si_mc_init(rdev);
7241 	if (r)
7242 		return r;
7243 	/* Memory manager */
7244 	r = radeon_bo_init(rdev);
7245 	if (r)
7246 		return r;
7247 
7248 	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw ||
7249 	    !rdev->rlc_fw || !rdev->mc_fw) {
7250 		r = si_init_microcode(rdev);
7251 		if (r) {
7252 			DRM_ERROR("Failed to load firmware!\n");
7253 			return r;
7254 		}
7255 	}
7256 
7257 	/* Initialize power management */
7258 	radeon_pm_init(rdev);
7259 
7260 	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
7261 	ring->ring_obj = NULL;
7262 	r600_ring_init(rdev, ring, 1024 * 1024);
7263 
7264 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
7265 	ring->ring_obj = NULL;
7266 	r600_ring_init(rdev, ring, 1024 * 1024);
7267 
7268 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
7269 	ring->ring_obj = NULL;
7270 	r600_ring_init(rdev, ring, 1024 * 1024);
7271 
7272 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
7273 	ring->ring_obj = NULL;
7274 	r600_ring_init(rdev, ring, 64 * 1024);
7275 
7276 	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
7277 	ring->ring_obj = NULL;
7278 	r600_ring_init(rdev, ring, 64 * 1024);
7279 
7280 	si_uvd_init(rdev);
7281 	si_vce_init(rdev);
7282 
7283 	rdev->ih.ring_obj = NULL;
7284 	r600_ih_ring_init(rdev, 64 * 1024);
7285 
7286 	r = r600_pcie_gart_init(rdev);
7287 	if (r)
7288 		return r;
7289 
7290 	rdev->accel_working = true;
7291 	r = si_startup(rdev);
7292 	if (r) {
7293 		dev_err(rdev->dev, "disabling GPU acceleration\n");
7294 		si_cp_fini(rdev);
7295 		cayman_dma_fini(rdev);
7296 		si_irq_fini(rdev);
7297 		sumo_rlc_fini(rdev);
7298 		radeon_wb_fini(rdev);
7299 		radeon_ib_pool_fini(rdev);
7300 		radeon_vm_manager_fini(rdev);
7301 		radeon_irq_kms_fini(rdev);
7302 		si_pcie_gart_fini(rdev);
7303 		rdev->accel_working = false;
7304 	}
7305 
7306 	/* Don't start up if the MC ucode is missing.
7307 	 * The default clocks and voltages before the MC ucode
7308 	 * is loaded are not suffient for advanced operations.
7309 	 */
7310 	if (!rdev->mc_fw) {
7311 		DRM_ERROR("radeon: MC ucode required for NI+.\n");
7312 		return -EINVAL;
7313 	}
7314 
7315 	return 0;
7316 }
7317 
7318 void si_fini(struct radeon_device *rdev)
7319 {
7320 	radeon_pm_fini(rdev);
7321 	si_cp_fini(rdev);
7322 	cayman_dma_fini(rdev);
7323 	si_fini_pg(rdev);
7324 	si_fini_cg(rdev);
7325 	si_irq_fini(rdev);
7326 	sumo_rlc_fini(rdev);
7327 	radeon_wb_fini(rdev);
7328 	radeon_vm_manager_fini(rdev);
7329 	radeon_ib_pool_fini(rdev);
7330 	radeon_irq_kms_fini(rdev);
7331 	if (rdev->has_uvd) {
7332 		uvd_v1_0_fini(rdev);
7333 		radeon_uvd_fini(rdev);
7334 	}
7335 	if (rdev->has_vce)
7336 		radeon_vce_fini(rdev);
7337 	si_pcie_gart_fini(rdev);
7338 	r600_vram_scratch_fini(rdev);
7339 	radeon_gem_fini(rdev);
7340 	radeon_fence_driver_fini(rdev);
7341 	radeon_bo_fini(rdev);
7342 	radeon_atombios_fini(rdev);
7343 	kfree(rdev->bios);
7344 	rdev->bios = NULL;
7345 }
7346 
7347 /**
7348  * si_get_gpu_clock_counter - return GPU clock counter snapshot
7349  *
7350  * @rdev: radeon_device pointer
7351  *
7352  * Fetches a GPU clock counter snapshot (SI).
7353  * Returns the 64 bit clock counter snapshot.
7354  */
7355 uint64_t si_get_gpu_clock_counter(struct radeon_device *rdev)
7356 {
7357 	uint64_t clock;
7358 
7359 	mutex_lock(&rdev->gpu_clock_mutex);
7360 	WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1);
7361 	clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) |
7362 		((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL);
7363 	mutex_unlock(&rdev->gpu_clock_mutex);
7364 	return clock;
7365 }
7366 
7367 int si_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
7368 {
7369 	unsigned fb_div = 0, vclk_div = 0, dclk_div = 0;
7370 	int r;
7371 
7372 	/* bypass vclk and dclk with bclk */
7373 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
7374 		VCLK_SRC_SEL(1) | DCLK_SRC_SEL(1),
7375 		~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
7376 
7377 	/* put PLL in bypass mode */
7378 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~UPLL_BYPASS_EN_MASK);
7379 
7380 	if (!vclk || !dclk) {
7381 		/* keep the Bypass mode */
7382 		return 0;
7383 	}
7384 
7385 	r = radeon_uvd_calc_upll_dividers(rdev, vclk, dclk, 125000, 250000,
7386 					  16384, 0x03FFFFFF, 0, 128, 5,
7387 					  &fb_div, &vclk_div, &dclk_div);
7388 	if (r)
7389 		return r;
7390 
7391 	/* set RESET_ANTI_MUX to 0 */
7392 	WREG32_P(CG_UPLL_FUNC_CNTL_5, 0, ~RESET_ANTI_MUX_MASK);
7393 
7394 	/* set VCO_MODE to 1 */
7395 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_VCO_MODE_MASK, ~UPLL_VCO_MODE_MASK);
7396 
7397 	/* disable sleep mode */
7398 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_SLEEP_MASK);
7399 
7400 	/* deassert UPLL_RESET */
7401 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
7402 
7403 	mdelay(1);
7404 
7405 	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
7406 	if (r)
7407 		return r;
7408 
7409 	/* assert UPLL_RESET again */
7410 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_RESET_MASK, ~UPLL_RESET_MASK);
7411 
7412 	/* disable spread spectrum. */
7413 	WREG32_P(CG_UPLL_SPREAD_SPECTRUM, 0, ~SSEN_MASK);
7414 
7415 	/* set feedback divider */
7416 	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(fb_div), ~UPLL_FB_DIV_MASK);
7417 
7418 	/* set ref divider to 0 */
7419 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_REF_DIV_MASK);
7420 
7421 	if (fb_div < 307200)
7422 		WREG32_P(CG_UPLL_FUNC_CNTL_4, 0, ~UPLL_SPARE_ISPARE9);
7423 	else
7424 		WREG32_P(CG_UPLL_FUNC_CNTL_4, UPLL_SPARE_ISPARE9, ~UPLL_SPARE_ISPARE9);
7425 
7426 	/* set PDIV_A and PDIV_B */
7427 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
7428 		UPLL_PDIV_A(vclk_div) | UPLL_PDIV_B(dclk_div),
7429 		~(UPLL_PDIV_A_MASK | UPLL_PDIV_B_MASK));
7430 
7431 	/* give the PLL some time to settle */
7432 	mdelay(15);
7433 
7434 	/* deassert PLL_RESET */
7435 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
7436 
7437 	mdelay(15);
7438 
7439 	/* switch from bypass mode to normal mode */
7440 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_BYPASS_EN_MASK);
7441 
7442 	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
7443 	if (r)
7444 		return r;
7445 
7446 	/* switch VCLK and DCLK selection */
7447 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
7448 		VCLK_SRC_SEL(2) | DCLK_SRC_SEL(2),
7449 		~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
7450 
7451 	mdelay(100);
7452 
7453 	return 0;
7454 }
7455 
7456 static void si_pcie_gen3_enable(struct radeon_device *rdev)
7457 {
7458 	struct pci_dev *root = rdev->pdev->bus->self;
7459 	int bridge_pos, gpu_pos;
7460 	u32 speed_cntl, mask, current_data_rate;
7461 	int ret, i;
7462 	u16 tmp16;
7463 
7464 	if (pci_is_root_bus(rdev->pdev->bus))
7465 		return;
7466 
7467 	if (radeon_pcie_gen2 == 0)
7468 		return;
7469 
7470 	if (rdev->flags & RADEON_IS_IGP)
7471 		return;
7472 
7473 	if (!(rdev->flags & RADEON_IS_PCIE))
7474 		return;
7475 
7476 	ret = drm_pcie_get_speed_cap_mask(rdev->ddev, &mask);
7477 	if (ret != 0)
7478 		return;
7479 
7480 	if (!(mask & (DRM_PCIE_SPEED_50 | DRM_PCIE_SPEED_80)))
7481 		return;
7482 
7483 	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
7484 	current_data_rate = (speed_cntl & LC_CURRENT_DATA_RATE_MASK) >>
7485 		LC_CURRENT_DATA_RATE_SHIFT;
7486 	if (mask & DRM_PCIE_SPEED_80) {
7487 		if (current_data_rate == 2) {
7488 			DRM_INFO("PCIE gen 3 link speeds already enabled\n");
7489 			return;
7490 		}
7491 		DRM_INFO("enabling PCIE gen 3 link speeds, disable with radeon.pcie_gen2=0\n");
7492 	} else if (mask & DRM_PCIE_SPEED_50) {
7493 		if (current_data_rate == 1) {
7494 			DRM_INFO("PCIE gen 2 link speeds already enabled\n");
7495 			return;
7496 		}
7497 		DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
7498 	}
7499 
7500 	bridge_pos = pci_pcie_cap(root);
7501 	if (!bridge_pos)
7502 		return;
7503 
7504 	gpu_pos = pci_pcie_cap(rdev->pdev);
7505 	if (!gpu_pos)
7506 		return;
7507 
7508 	if (mask & DRM_PCIE_SPEED_80) {
7509 		/* re-try equalization if gen3 is not already enabled */
7510 		if (current_data_rate != 2) {
7511 			u16 bridge_cfg, gpu_cfg;
7512 			u16 bridge_cfg2, gpu_cfg2;
7513 			u32 max_lw, current_lw, tmp;
7514 
7515 			pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &bridge_cfg);
7516 			pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, &gpu_cfg);
7517 
7518 			tmp16 = bridge_cfg | PCI_EXP_LNKCTL_HAWD;
7519 			pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL, tmp16);
7520 
7521 			tmp16 = gpu_cfg | PCI_EXP_LNKCTL_HAWD;
7522 			pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, tmp16);
7523 
7524 			tmp = RREG32_PCIE(PCIE_LC_STATUS1);
7525 			max_lw = (tmp & LC_DETECTED_LINK_WIDTH_MASK) >> LC_DETECTED_LINK_WIDTH_SHIFT;
7526 			current_lw = (tmp & LC_OPERATING_LINK_WIDTH_MASK) >> LC_OPERATING_LINK_WIDTH_SHIFT;
7527 
7528 			if (current_lw < max_lw) {
7529 				tmp = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
7530 				if (tmp & LC_RENEGOTIATION_SUPPORT) {
7531 					tmp &= ~(LC_LINK_WIDTH_MASK | LC_UPCONFIGURE_DIS);
7532 					tmp |= (max_lw << LC_LINK_WIDTH_SHIFT);
7533 					tmp |= LC_UPCONFIGURE_SUPPORT | LC_RENEGOTIATE_EN | LC_RECONFIG_NOW;
7534 					WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, tmp);
7535 				}
7536 			}
7537 
7538 			for (i = 0; i < 10; i++) {
7539 				/* check status */
7540 				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_DEVSTA, &tmp16);
7541 				if (tmp16 & PCI_EXP_DEVSTA_TRPND)
7542 					break;
7543 
7544 				pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &bridge_cfg);
7545 				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, &gpu_cfg);
7546 
7547 				pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, &bridge_cfg2);
7548 				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &gpu_cfg2);
7549 
7550 				tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL4);
7551 				tmp |= LC_SET_QUIESCE;
7552 				WREG32_PCIE_PORT(PCIE_LC_CNTL4, tmp);
7553 
7554 				tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL4);
7555 				tmp |= LC_REDO_EQ;
7556 				WREG32_PCIE_PORT(PCIE_LC_CNTL4, tmp);
7557 
7558 				mdelay(100);
7559 
7560 				/* linkctl */
7561 				pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &tmp16);
7562 				tmp16 &= ~PCI_EXP_LNKCTL_HAWD;
7563 				tmp16 |= (bridge_cfg & PCI_EXP_LNKCTL_HAWD);
7564 				pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL, tmp16);
7565 
7566 				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, &tmp16);
7567 				tmp16 &= ~PCI_EXP_LNKCTL_HAWD;
7568 				tmp16 |= (gpu_cfg & PCI_EXP_LNKCTL_HAWD);
7569 				pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, tmp16);
7570 
7571 				/* linkctl2 */
7572 				pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, &tmp16);
7573 				tmp16 &= ~((1 << 4) | (7 << 9));
7574 				tmp16 |= (bridge_cfg2 & ((1 << 4) | (7 << 9)));
7575 				pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, tmp16);
7576 
7577 				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &tmp16);
7578 				tmp16 &= ~((1 << 4) | (7 << 9));
7579 				tmp16 |= (gpu_cfg2 & ((1 << 4) | (7 << 9)));
7580 				pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, tmp16);
7581 
7582 				tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL4);
7583 				tmp &= ~LC_SET_QUIESCE;
7584 				WREG32_PCIE_PORT(PCIE_LC_CNTL4, tmp);
7585 			}
7586 		}
7587 	}
7588 
7589 	/* set the link speed */
7590 	speed_cntl |= LC_FORCE_EN_SW_SPEED_CHANGE | LC_FORCE_DIS_HW_SPEED_CHANGE;
7591 	speed_cntl &= ~LC_FORCE_DIS_SW_SPEED_CHANGE;
7592 	WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
7593 
7594 	pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &tmp16);
7595 	tmp16 &= ~0xf;
7596 	if (mask & DRM_PCIE_SPEED_80)
7597 		tmp16 |= 3; /* gen3 */
7598 	else if (mask & DRM_PCIE_SPEED_50)
7599 		tmp16 |= 2; /* gen2 */
7600 	else
7601 		tmp16 |= 1; /* gen1 */
7602 	pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, tmp16);
7603 
7604 	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
7605 	speed_cntl |= LC_INITIATE_LINK_SPEED_CHANGE;
7606 	WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
7607 
7608 	for (i = 0; i < rdev->usec_timeout; i++) {
7609 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
7610 		if ((speed_cntl & LC_INITIATE_LINK_SPEED_CHANGE) == 0)
7611 			break;
7612 		udelay(1);
7613 	}
7614 }
7615 
7616 static void si_program_aspm(struct radeon_device *rdev)
7617 {
7618 	u32 data, orig;
7619 	bool disable_l0s = false, disable_l1 = false, disable_plloff_in_l1 = false;
7620 	bool disable_clkreq = false;
7621 
7622 	if (radeon_aspm == 0)
7623 		return;
7624 
7625 	if (!(rdev->flags & RADEON_IS_PCIE))
7626 		return;
7627 
7628 	orig = data = RREG32_PCIE_PORT(PCIE_LC_N_FTS_CNTL);
7629 	data &= ~LC_XMIT_N_FTS_MASK;
7630 	data |= LC_XMIT_N_FTS(0x24) | LC_XMIT_N_FTS_OVERRIDE_EN;
7631 	if (orig != data)
7632 		WREG32_PCIE_PORT(PCIE_LC_N_FTS_CNTL, data);
7633 
7634 	orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL3);
7635 	data |= LC_GO_TO_RECOVERY;
7636 	if (orig != data)
7637 		WREG32_PCIE_PORT(PCIE_LC_CNTL3, data);
7638 
7639 	orig = data = RREG32_PCIE(PCIE_P_CNTL);
7640 	data |= P_IGNORE_EDB_ERR;
7641 	if (orig != data)
7642 		WREG32_PCIE(PCIE_P_CNTL, data);
7643 
7644 	orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL);
7645 	data &= ~(LC_L0S_INACTIVITY_MASK | LC_L1_INACTIVITY_MASK);
7646 	data |= LC_PMI_TO_L1_DIS;
7647 	if (!disable_l0s)
7648 		data |= LC_L0S_INACTIVITY(7);
7649 
7650 	if (!disable_l1) {
7651 		data |= LC_L1_INACTIVITY(7);
7652 		data &= ~LC_PMI_TO_L1_DIS;
7653 		if (orig != data)
7654 			WREG32_PCIE_PORT(PCIE_LC_CNTL, data);
7655 
7656 		if (!disable_plloff_in_l1) {
7657 			bool clk_req_support;
7658 
7659 			orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0);
7660 			data &= ~(PLL_POWER_STATE_IN_OFF_0_MASK | PLL_POWER_STATE_IN_TXS2_0_MASK);
7661 			data |= PLL_POWER_STATE_IN_OFF_0(7) | PLL_POWER_STATE_IN_TXS2_0(7);
7662 			if (orig != data)
7663 				WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0, data);
7664 
7665 			orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1);
7666 			data &= ~(PLL_POWER_STATE_IN_OFF_1_MASK | PLL_POWER_STATE_IN_TXS2_1_MASK);
7667 			data |= PLL_POWER_STATE_IN_OFF_1(7) | PLL_POWER_STATE_IN_TXS2_1(7);
7668 			if (orig != data)
7669 				WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1, data);
7670 
7671 			orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0);
7672 			data &= ~(PLL_POWER_STATE_IN_OFF_0_MASK | PLL_POWER_STATE_IN_TXS2_0_MASK);
7673 			data |= PLL_POWER_STATE_IN_OFF_0(7) | PLL_POWER_STATE_IN_TXS2_0(7);
7674 			if (orig != data)
7675 				WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0, data);
7676 
7677 			orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1);
7678 			data &= ~(PLL_POWER_STATE_IN_OFF_1_MASK | PLL_POWER_STATE_IN_TXS2_1_MASK);
7679 			data |= PLL_POWER_STATE_IN_OFF_1(7) | PLL_POWER_STATE_IN_TXS2_1(7);
7680 			if (orig != data)
7681 				WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1, data);
7682 
7683 			if ((rdev->family != CHIP_OLAND) && (rdev->family != CHIP_HAINAN)) {
7684 				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0);
7685 				data &= ~PLL_RAMP_UP_TIME_0_MASK;
7686 				if (orig != data)
7687 					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0, data);
7688 
7689 				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1);
7690 				data &= ~PLL_RAMP_UP_TIME_1_MASK;
7691 				if (orig != data)
7692 					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1, data);
7693 
7694 				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_2);
7695 				data &= ~PLL_RAMP_UP_TIME_2_MASK;
7696 				if (orig != data)
7697 					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_2, data);
7698 
7699 				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_3);
7700 				data &= ~PLL_RAMP_UP_TIME_3_MASK;
7701 				if (orig != data)
7702 					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_3, data);
7703 
7704 				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0);
7705 				data &= ~PLL_RAMP_UP_TIME_0_MASK;
7706 				if (orig != data)
7707 					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0, data);
7708 
7709 				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1);
7710 				data &= ~PLL_RAMP_UP_TIME_1_MASK;
7711 				if (orig != data)
7712 					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1, data);
7713 
7714 				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_2);
7715 				data &= ~PLL_RAMP_UP_TIME_2_MASK;
7716 				if (orig != data)
7717 					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_2, data);
7718 
7719 				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_3);
7720 				data &= ~PLL_RAMP_UP_TIME_3_MASK;
7721 				if (orig != data)
7722 					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_3, data);
7723 			}
7724 			orig = data = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
7725 			data &= ~LC_DYN_LANES_PWR_STATE_MASK;
7726 			data |= LC_DYN_LANES_PWR_STATE(3);
7727 			if (orig != data)
7728 				WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, data);
7729 
7730 			orig = data = RREG32_PIF_PHY0(PB0_PIF_CNTL);
7731 			data &= ~LS2_EXIT_TIME_MASK;
7732 			if ((rdev->family == CHIP_OLAND) || (rdev->family == CHIP_HAINAN))
7733 				data |= LS2_EXIT_TIME(5);
7734 			if (orig != data)
7735 				WREG32_PIF_PHY0(PB0_PIF_CNTL, data);
7736 
7737 			orig = data = RREG32_PIF_PHY1(PB1_PIF_CNTL);
7738 			data &= ~LS2_EXIT_TIME_MASK;
7739 			if ((rdev->family == CHIP_OLAND) || (rdev->family == CHIP_HAINAN))
7740 				data |= LS2_EXIT_TIME(5);
7741 			if (orig != data)
7742 				WREG32_PIF_PHY1(PB1_PIF_CNTL, data);
7743 
7744 			if (!disable_clkreq &&
7745 			    !pci_is_root_bus(rdev->pdev->bus)) {
7746 				struct pci_dev *root = rdev->pdev->bus->self;
7747 				u32 lnkcap;
7748 
7749 				clk_req_support = false;
7750 				pcie_capability_read_dword(root, PCI_EXP_LNKCAP, &lnkcap);
7751 				if (lnkcap & PCI_EXP_LNKCAP_CLKPM)
7752 					clk_req_support = true;
7753 			} else {
7754 				clk_req_support = false;
7755 			}
7756 
7757 			if (clk_req_support) {
7758 				orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL2);
7759 				data |= LC_ALLOW_PDWN_IN_L1 | LC_ALLOW_PDWN_IN_L23;
7760 				if (orig != data)
7761 					WREG32_PCIE_PORT(PCIE_LC_CNTL2, data);
7762 
7763 				orig = data = RREG32(THM_CLK_CNTL);
7764 				data &= ~(CMON_CLK_SEL_MASK | TMON_CLK_SEL_MASK);
7765 				data |= CMON_CLK_SEL(1) | TMON_CLK_SEL(1);
7766 				if (orig != data)
7767 					WREG32(THM_CLK_CNTL, data);
7768 
7769 				orig = data = RREG32(MISC_CLK_CNTL);
7770 				data &= ~(DEEP_SLEEP_CLK_SEL_MASK | ZCLK_SEL_MASK);
7771 				data |= DEEP_SLEEP_CLK_SEL(1) | ZCLK_SEL(1);
7772 				if (orig != data)
7773 					WREG32(MISC_CLK_CNTL, data);
7774 
7775 				orig = data = RREG32(CG_CLKPIN_CNTL);
7776 				data &= ~BCLK_AS_XCLK;
7777 				if (orig != data)
7778 					WREG32(CG_CLKPIN_CNTL, data);
7779 
7780 				orig = data = RREG32(CG_CLKPIN_CNTL_2);
7781 				data &= ~FORCE_BIF_REFCLK_EN;
7782 				if (orig != data)
7783 					WREG32(CG_CLKPIN_CNTL_2, data);
7784 
7785 				orig = data = RREG32(MPLL_BYPASSCLK_SEL);
7786 				data &= ~MPLL_CLKOUT_SEL_MASK;
7787 				data |= MPLL_CLKOUT_SEL(4);
7788 				if (orig != data)
7789 					WREG32(MPLL_BYPASSCLK_SEL, data);
7790 
7791 				orig = data = RREG32(SPLL_CNTL_MODE);
7792 				data &= ~SPLL_REFCLK_SEL_MASK;
7793 				if (orig != data)
7794 					WREG32(SPLL_CNTL_MODE, data);
7795 			}
7796 		}
7797 	} else {
7798 		if (orig != data)
7799 			WREG32_PCIE_PORT(PCIE_LC_CNTL, data);
7800 	}
7801 
7802 	orig = data = RREG32_PCIE(PCIE_CNTL2);
7803 	data |= SLV_MEM_LS_EN | MST_MEM_LS_EN | REPLAY_MEM_LS_EN;
7804 	if (orig != data)
7805 		WREG32_PCIE(PCIE_CNTL2, data);
7806 
7807 	if (!disable_l0s) {
7808 		data = RREG32_PCIE_PORT(PCIE_LC_N_FTS_CNTL);
7809 		if((data & LC_N_FTS_MASK) == LC_N_FTS_MASK) {
7810 			data = RREG32_PCIE(PCIE_LC_STATUS1);
7811 			if ((data & LC_REVERSE_XMIT) && (data & LC_REVERSE_RCVR)) {
7812 				orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL);
7813 				data &= ~LC_L0S_INACTIVITY_MASK;
7814 				if (orig != data)
7815 					WREG32_PCIE_PORT(PCIE_LC_CNTL, data);
7816 			}
7817 		}
7818 	}
7819 }
7820 
7821 int si_vce_send_vcepll_ctlreq(struct radeon_device *rdev)
7822 {
7823 	unsigned i;
7824 
7825 	/* make sure VCEPLL_CTLREQ is deasserted */
7826 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, 0, ~UPLL_CTLREQ_MASK);
7827 
7828 	mdelay(10);
7829 
7830 	/* assert UPLL_CTLREQ */
7831 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, UPLL_CTLREQ_MASK, ~UPLL_CTLREQ_MASK);
7832 
7833 	/* wait for CTLACK and CTLACK2 to get asserted */
7834 	for (i = 0; i < 100; ++i) {
7835 		uint32_t mask = UPLL_CTLACK_MASK | UPLL_CTLACK2_MASK;
7836 		if ((RREG32_SMC(CG_VCEPLL_FUNC_CNTL) & mask) == mask)
7837 			break;
7838 		mdelay(10);
7839 	}
7840 
7841 	/* deassert UPLL_CTLREQ */
7842 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, 0, ~UPLL_CTLREQ_MASK);
7843 
7844 	if (i == 100) {
7845 		DRM_ERROR("Timeout setting UVD clocks!\n");
7846 		return -ETIMEDOUT;
7847 	}
7848 
7849 	return 0;
7850 }
7851 
7852 int si_set_vce_clocks(struct radeon_device *rdev, u32 evclk, u32 ecclk)
7853 {
7854 	unsigned fb_div = 0, evclk_div = 0, ecclk_div = 0;
7855 	int r;
7856 
7857 	/* bypass evclk and ecclk with bclk */
7858 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL_2,
7859 		     EVCLK_SRC_SEL(1) | ECCLK_SRC_SEL(1),
7860 		     ~(EVCLK_SRC_SEL_MASK | ECCLK_SRC_SEL_MASK));
7861 
7862 	/* put PLL in bypass mode */
7863 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, VCEPLL_BYPASS_EN_MASK,
7864 		     ~VCEPLL_BYPASS_EN_MASK);
7865 
7866 	if (!evclk || !ecclk) {
7867 		/* keep the Bypass mode, put PLL to sleep */
7868 		WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, VCEPLL_SLEEP_MASK,
7869 			     ~VCEPLL_SLEEP_MASK);
7870 		return 0;
7871 	}
7872 
7873 	r = radeon_uvd_calc_upll_dividers(rdev, evclk, ecclk, 125000, 250000,
7874 					  16384, 0x03FFFFFF, 0, 128, 5,
7875 					  &fb_div, &evclk_div, &ecclk_div);
7876 	if (r)
7877 		return r;
7878 
7879 	/* set RESET_ANTI_MUX to 0 */
7880 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL_5, 0, ~RESET_ANTI_MUX_MASK);
7881 
7882 	/* set VCO_MODE to 1 */
7883 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, VCEPLL_VCO_MODE_MASK,
7884 		     ~VCEPLL_VCO_MODE_MASK);
7885 
7886 	/* toggle VCEPLL_SLEEP to 1 then back to 0 */
7887 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, VCEPLL_SLEEP_MASK,
7888 		     ~VCEPLL_SLEEP_MASK);
7889 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, 0, ~VCEPLL_SLEEP_MASK);
7890 
7891 	/* deassert VCEPLL_RESET */
7892 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, 0, ~VCEPLL_RESET_MASK);
7893 
7894 	mdelay(1);
7895 
7896 	r = si_vce_send_vcepll_ctlreq(rdev);
7897 	if (r)
7898 		return r;
7899 
7900 	/* assert VCEPLL_RESET again */
7901 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, VCEPLL_RESET_MASK, ~VCEPLL_RESET_MASK);
7902 
7903 	/* disable spread spectrum. */
7904 	WREG32_SMC_P(CG_VCEPLL_SPREAD_SPECTRUM, 0, ~SSEN_MASK);
7905 
7906 	/* set feedback divider */
7907 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL_3, VCEPLL_FB_DIV(fb_div), ~VCEPLL_FB_DIV_MASK);
7908 
7909 	/* set ref divider to 0 */
7910 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, 0, ~VCEPLL_REF_DIV_MASK);
7911 
7912 	/* set PDIV_A and PDIV_B */
7913 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL_2,
7914 		     VCEPLL_PDIV_A(evclk_div) | VCEPLL_PDIV_B(ecclk_div),
7915 		     ~(VCEPLL_PDIV_A_MASK | VCEPLL_PDIV_B_MASK));
7916 
7917 	/* give the PLL some time to settle */
7918 	mdelay(15);
7919 
7920 	/* deassert PLL_RESET */
7921 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, 0, ~VCEPLL_RESET_MASK);
7922 
7923 	mdelay(15);
7924 
7925 	/* switch from bypass mode to normal mode */
7926 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, 0, ~VCEPLL_BYPASS_EN_MASK);
7927 
7928 	r = si_vce_send_vcepll_ctlreq(rdev);
7929 	if (r)
7930 		return r;
7931 
7932 	/* switch VCLK and DCLK selection */
7933 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL_2,
7934 		     EVCLK_SRC_SEL(16) | ECCLK_SRC_SEL(16),
7935 		     ~(EVCLK_SRC_SEL_MASK | ECCLK_SRC_SEL_MASK));
7936 
7937 	mdelay(100);
7938 
7939 	return 0;
7940 }
7941