xref: /linux/drivers/gpu/drm/radeon/si.c (revision ee6825c80e870fff1a370c718ec77022ade0889b)
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)
4038 {
4039 	u32 reset_mask;
4040 
4041 	reset_mask = si_gpu_check_soft_reset(rdev);
4042 
4043 	if (reset_mask)
4044 		r600_set_bios_scratch_engine_hung(rdev, true);
4045 
4046 	/* try soft reset */
4047 	si_gpu_soft_reset(rdev, reset_mask);
4048 
4049 	reset_mask = si_gpu_check_soft_reset(rdev);
4050 
4051 	/* try pci config reset */
4052 	if (reset_mask && radeon_hard_reset)
4053 		si_gpu_pci_config_reset(rdev);
4054 
4055 	reset_mask = si_gpu_check_soft_reset(rdev);
4056 
4057 	if (!reset_mask)
4058 		r600_set_bios_scratch_engine_hung(rdev, false);
4059 
4060 	return 0;
4061 }
4062 
4063 /**
4064  * si_gfx_is_lockup - Check if the GFX engine is locked up
4065  *
4066  * @rdev: radeon_device pointer
4067  * @ring: radeon_ring structure holding ring information
4068  *
4069  * Check if the GFX engine is locked up.
4070  * Returns true if the engine appears to be locked up, false if not.
4071  */
4072 bool si_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
4073 {
4074 	u32 reset_mask = si_gpu_check_soft_reset(rdev);
4075 
4076 	if (!(reset_mask & (RADEON_RESET_GFX |
4077 			    RADEON_RESET_COMPUTE |
4078 			    RADEON_RESET_CP))) {
4079 		radeon_ring_lockup_update(rdev, ring);
4080 		return false;
4081 	}
4082 	return radeon_ring_test_lockup(rdev, ring);
4083 }
4084 
4085 /* MC */
4086 static void si_mc_program(struct radeon_device *rdev)
4087 {
4088 	struct evergreen_mc_save save;
4089 	u32 tmp;
4090 	int i, j;
4091 
4092 	/* Initialize HDP */
4093 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
4094 		WREG32((0x2c14 + j), 0x00000000);
4095 		WREG32((0x2c18 + j), 0x00000000);
4096 		WREG32((0x2c1c + j), 0x00000000);
4097 		WREG32((0x2c20 + j), 0x00000000);
4098 		WREG32((0x2c24 + j), 0x00000000);
4099 	}
4100 	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
4101 
4102 	evergreen_mc_stop(rdev, &save);
4103 	if (radeon_mc_wait_for_idle(rdev)) {
4104 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
4105 	}
4106 	if (!ASIC_IS_NODCE(rdev))
4107 		/* Lockout access through VGA aperture*/
4108 		WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
4109 	/* Update configuration */
4110 	WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
4111 	       rdev->mc.vram_start >> 12);
4112 	WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
4113 	       rdev->mc.vram_end >> 12);
4114 	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR,
4115 	       rdev->vram_scratch.gpu_addr >> 12);
4116 	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
4117 	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
4118 	WREG32(MC_VM_FB_LOCATION, tmp);
4119 	/* XXX double check these! */
4120 	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
4121 	WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
4122 	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
4123 	WREG32(MC_VM_AGP_BASE, 0);
4124 	WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
4125 	WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
4126 	if (radeon_mc_wait_for_idle(rdev)) {
4127 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
4128 	}
4129 	evergreen_mc_resume(rdev, &save);
4130 	if (!ASIC_IS_NODCE(rdev)) {
4131 		/* we need to own VRAM, so turn off the VGA renderer here
4132 		 * to stop it overwriting our objects */
4133 		rv515_vga_render_disable(rdev);
4134 	}
4135 }
4136 
4137 void si_vram_gtt_location(struct radeon_device *rdev,
4138 			  struct radeon_mc *mc)
4139 {
4140 	if (mc->mc_vram_size > 0xFFC0000000ULL) {
4141 		/* leave room for at least 1024M GTT */
4142 		dev_warn(rdev->dev, "limiting VRAM\n");
4143 		mc->real_vram_size = 0xFFC0000000ULL;
4144 		mc->mc_vram_size = 0xFFC0000000ULL;
4145 	}
4146 	radeon_vram_location(rdev, &rdev->mc, 0);
4147 	rdev->mc.gtt_base_align = 0;
4148 	radeon_gtt_location(rdev, mc);
4149 }
4150 
4151 static int si_mc_init(struct radeon_device *rdev)
4152 {
4153 	u32 tmp;
4154 	int chansize, numchan;
4155 
4156 	/* Get VRAM informations */
4157 	rdev->mc.vram_is_ddr = true;
4158 	tmp = RREG32(MC_ARB_RAMCFG);
4159 	if (tmp & CHANSIZE_OVERRIDE) {
4160 		chansize = 16;
4161 	} else if (tmp & CHANSIZE_MASK) {
4162 		chansize = 64;
4163 	} else {
4164 		chansize = 32;
4165 	}
4166 	tmp = RREG32(MC_SHARED_CHMAP);
4167 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
4168 	case 0:
4169 	default:
4170 		numchan = 1;
4171 		break;
4172 	case 1:
4173 		numchan = 2;
4174 		break;
4175 	case 2:
4176 		numchan = 4;
4177 		break;
4178 	case 3:
4179 		numchan = 8;
4180 		break;
4181 	case 4:
4182 		numchan = 3;
4183 		break;
4184 	case 5:
4185 		numchan = 6;
4186 		break;
4187 	case 6:
4188 		numchan = 10;
4189 		break;
4190 	case 7:
4191 		numchan = 12;
4192 		break;
4193 	case 8:
4194 		numchan = 16;
4195 		break;
4196 	}
4197 	rdev->mc.vram_width = numchan * chansize;
4198 	/* Could aper size report 0 ? */
4199 	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
4200 	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
4201 	/* size in MB on si */
4202 	tmp = RREG32(CONFIG_MEMSIZE);
4203 	/* some boards may have garbage in the upper 16 bits */
4204 	if (tmp & 0xffff0000) {
4205 		DRM_INFO("Probable bad vram size: 0x%08x\n", tmp);
4206 		if (tmp & 0xffff)
4207 			tmp &= 0xffff;
4208 	}
4209 	rdev->mc.mc_vram_size = tmp * 1024ULL * 1024ULL;
4210 	rdev->mc.real_vram_size = rdev->mc.mc_vram_size;
4211 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
4212 	si_vram_gtt_location(rdev, &rdev->mc);
4213 	radeon_update_bandwidth_info(rdev);
4214 
4215 	return 0;
4216 }
4217 
4218 /*
4219  * GART
4220  */
4221 void si_pcie_gart_tlb_flush(struct radeon_device *rdev)
4222 {
4223 	/* flush hdp cache */
4224 	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
4225 
4226 	/* bits 0-15 are the VM contexts0-15 */
4227 	WREG32(VM_INVALIDATE_REQUEST, 1);
4228 }
4229 
4230 static int si_pcie_gart_enable(struct radeon_device *rdev)
4231 {
4232 	int r, i;
4233 
4234 	if (rdev->gart.robj == NULL) {
4235 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
4236 		return -EINVAL;
4237 	}
4238 	r = radeon_gart_table_vram_pin(rdev);
4239 	if (r)
4240 		return r;
4241 	/* Setup TLB control */
4242 	WREG32(MC_VM_MX_L1_TLB_CNTL,
4243 	       (0xA << 7) |
4244 	       ENABLE_L1_TLB |
4245 	       ENABLE_L1_FRAGMENT_PROCESSING |
4246 	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
4247 	       ENABLE_ADVANCED_DRIVER_MODEL |
4248 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
4249 	/* Setup L2 cache */
4250 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
4251 	       ENABLE_L2_FRAGMENT_PROCESSING |
4252 	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
4253 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
4254 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
4255 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
4256 	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
4257 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
4258 	       BANK_SELECT(4) |
4259 	       L2_CACHE_BIGK_FRAGMENT_SIZE(4));
4260 	/* setup context0 */
4261 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
4262 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
4263 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
4264 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
4265 			(u32)(rdev->dummy_page.addr >> 12));
4266 	WREG32(VM_CONTEXT0_CNTL2, 0);
4267 	WREG32(VM_CONTEXT0_CNTL, (ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
4268 				  RANGE_PROTECTION_FAULT_ENABLE_DEFAULT));
4269 
4270 	WREG32(0x15D4, 0);
4271 	WREG32(0x15D8, 0);
4272 	WREG32(0x15DC, 0);
4273 
4274 	/* empty context1-15 */
4275 	/* set vm size, must be a multiple of 4 */
4276 	WREG32(VM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
4277 	WREG32(VM_CONTEXT1_PAGE_TABLE_END_ADDR, rdev->vm_manager.max_pfn - 1);
4278 	/* Assign the pt base to something valid for now; the pts used for
4279 	 * the VMs are determined by the application and setup and assigned
4280 	 * on the fly in the vm part of radeon_gart.c
4281 	 */
4282 	for (i = 1; i < 16; i++) {
4283 		if (i < 8)
4284 			WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
4285 			       rdev->vm_manager.saved_table_addr[i]);
4286 		else
4287 			WREG32(VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((i - 8) << 2),
4288 			       rdev->vm_manager.saved_table_addr[i]);
4289 	}
4290 
4291 	/* enable context1-15 */
4292 	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
4293 	       (u32)(rdev->dummy_page.addr >> 12));
4294 	WREG32(VM_CONTEXT1_CNTL2, 4);
4295 	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
4296 				PAGE_TABLE_BLOCK_SIZE(radeon_vm_block_size - 9) |
4297 				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
4298 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
4299 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
4300 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
4301 				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
4302 				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
4303 				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
4304 				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
4305 				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
4306 				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
4307 				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
4308 				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
4309 
4310 	si_pcie_gart_tlb_flush(rdev);
4311 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
4312 		 (unsigned)(rdev->mc.gtt_size >> 20),
4313 		 (unsigned long long)rdev->gart.table_addr);
4314 	rdev->gart.ready = true;
4315 	return 0;
4316 }
4317 
4318 static void si_pcie_gart_disable(struct radeon_device *rdev)
4319 {
4320 	unsigned i;
4321 
4322 	for (i = 1; i < 16; ++i) {
4323 		uint32_t reg;
4324 		if (i < 8)
4325 			reg = VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2);
4326 		else
4327 			reg = VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((i - 8) << 2);
4328 		rdev->vm_manager.saved_table_addr[i] = RREG32(reg);
4329 	}
4330 
4331 	/* Disable all tables */
4332 	WREG32(VM_CONTEXT0_CNTL, 0);
4333 	WREG32(VM_CONTEXT1_CNTL, 0);
4334 	/* Setup TLB control */
4335 	WREG32(MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE_NOT_IN_SYS |
4336 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
4337 	/* Setup L2 cache */
4338 	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
4339 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
4340 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
4341 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
4342 	WREG32(VM_L2_CNTL2, 0);
4343 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
4344 	       L2_CACHE_BIGK_FRAGMENT_SIZE(0));
4345 	radeon_gart_table_vram_unpin(rdev);
4346 }
4347 
4348 static void si_pcie_gart_fini(struct radeon_device *rdev)
4349 {
4350 	si_pcie_gart_disable(rdev);
4351 	radeon_gart_table_vram_free(rdev);
4352 	radeon_gart_fini(rdev);
4353 }
4354 
4355 /* vm parser */
4356 static bool si_vm_reg_valid(u32 reg)
4357 {
4358 	/* context regs are fine */
4359 	if (reg >= 0x28000)
4360 		return true;
4361 
4362 	/* check config regs */
4363 	switch (reg) {
4364 	case GRBM_GFX_INDEX:
4365 	case CP_STRMOUT_CNTL:
4366 	case VGT_VTX_VECT_EJECT_REG:
4367 	case VGT_CACHE_INVALIDATION:
4368 	case VGT_ESGS_RING_SIZE:
4369 	case VGT_GSVS_RING_SIZE:
4370 	case VGT_GS_VERTEX_REUSE:
4371 	case VGT_PRIMITIVE_TYPE:
4372 	case VGT_INDEX_TYPE:
4373 	case VGT_NUM_INDICES:
4374 	case VGT_NUM_INSTANCES:
4375 	case VGT_TF_RING_SIZE:
4376 	case VGT_HS_OFFCHIP_PARAM:
4377 	case VGT_TF_MEMORY_BASE:
4378 	case PA_CL_ENHANCE:
4379 	case PA_SU_LINE_STIPPLE_VALUE:
4380 	case PA_SC_LINE_STIPPLE_STATE:
4381 	case PA_SC_ENHANCE:
4382 	case SQC_CACHES:
4383 	case SPI_STATIC_THREAD_MGMT_1:
4384 	case SPI_STATIC_THREAD_MGMT_2:
4385 	case SPI_STATIC_THREAD_MGMT_3:
4386 	case SPI_PS_MAX_WAVE_ID:
4387 	case SPI_CONFIG_CNTL:
4388 	case SPI_CONFIG_CNTL_1:
4389 	case TA_CNTL_AUX:
4390 		return true;
4391 	default:
4392 		DRM_ERROR("Invalid register 0x%x in CS\n", reg);
4393 		return false;
4394 	}
4395 }
4396 
4397 static int si_vm_packet3_ce_check(struct radeon_device *rdev,
4398 				  u32 *ib, struct radeon_cs_packet *pkt)
4399 {
4400 	switch (pkt->opcode) {
4401 	case PACKET3_NOP:
4402 	case PACKET3_SET_BASE:
4403 	case PACKET3_SET_CE_DE_COUNTERS:
4404 	case PACKET3_LOAD_CONST_RAM:
4405 	case PACKET3_WRITE_CONST_RAM:
4406 	case PACKET3_WRITE_CONST_RAM_OFFSET:
4407 	case PACKET3_DUMP_CONST_RAM:
4408 	case PACKET3_INCREMENT_CE_COUNTER:
4409 	case PACKET3_WAIT_ON_DE_COUNTER:
4410 	case PACKET3_CE_WRITE:
4411 		break;
4412 	default:
4413 		DRM_ERROR("Invalid CE packet3: 0x%x\n", pkt->opcode);
4414 		return -EINVAL;
4415 	}
4416 	return 0;
4417 }
4418 
4419 static int si_vm_packet3_cp_dma_check(u32 *ib, u32 idx)
4420 {
4421 	u32 start_reg, reg, i;
4422 	u32 command = ib[idx + 4];
4423 	u32 info = ib[idx + 1];
4424 	u32 idx_value = ib[idx];
4425 	if (command & PACKET3_CP_DMA_CMD_SAS) {
4426 		/* src address space is register */
4427 		if (((info & 0x60000000) >> 29) == 0) {
4428 			start_reg = idx_value << 2;
4429 			if (command & PACKET3_CP_DMA_CMD_SAIC) {
4430 				reg = start_reg;
4431 				if (!si_vm_reg_valid(reg)) {
4432 					DRM_ERROR("CP DMA Bad SRC register\n");
4433 					return -EINVAL;
4434 				}
4435 			} else {
4436 				for (i = 0; i < (command & 0x1fffff); i++) {
4437 					reg = start_reg + (4 * i);
4438 					if (!si_vm_reg_valid(reg)) {
4439 						DRM_ERROR("CP DMA Bad SRC register\n");
4440 						return -EINVAL;
4441 					}
4442 				}
4443 			}
4444 		}
4445 	}
4446 	if (command & PACKET3_CP_DMA_CMD_DAS) {
4447 		/* dst address space is register */
4448 		if (((info & 0x00300000) >> 20) == 0) {
4449 			start_reg = ib[idx + 2];
4450 			if (command & PACKET3_CP_DMA_CMD_DAIC) {
4451 				reg = start_reg;
4452 				if (!si_vm_reg_valid(reg)) {
4453 					DRM_ERROR("CP DMA Bad DST register\n");
4454 					return -EINVAL;
4455 				}
4456 			} else {
4457 				for (i = 0; i < (command & 0x1fffff); i++) {
4458 					reg = start_reg + (4 * i);
4459 				if (!si_vm_reg_valid(reg)) {
4460 						DRM_ERROR("CP DMA Bad DST register\n");
4461 						return -EINVAL;
4462 					}
4463 				}
4464 			}
4465 		}
4466 	}
4467 	return 0;
4468 }
4469 
4470 static int si_vm_packet3_gfx_check(struct radeon_device *rdev,
4471 				   u32 *ib, struct radeon_cs_packet *pkt)
4472 {
4473 	int r;
4474 	u32 idx = pkt->idx + 1;
4475 	u32 idx_value = ib[idx];
4476 	u32 start_reg, end_reg, reg, i;
4477 
4478 	switch (pkt->opcode) {
4479 	case PACKET3_NOP:
4480 	case PACKET3_SET_BASE:
4481 	case PACKET3_CLEAR_STATE:
4482 	case PACKET3_INDEX_BUFFER_SIZE:
4483 	case PACKET3_DISPATCH_DIRECT:
4484 	case PACKET3_DISPATCH_INDIRECT:
4485 	case PACKET3_ALLOC_GDS:
4486 	case PACKET3_WRITE_GDS_RAM:
4487 	case PACKET3_ATOMIC_GDS:
4488 	case PACKET3_ATOMIC:
4489 	case PACKET3_OCCLUSION_QUERY:
4490 	case PACKET3_SET_PREDICATION:
4491 	case PACKET3_COND_EXEC:
4492 	case PACKET3_PRED_EXEC:
4493 	case PACKET3_DRAW_INDIRECT:
4494 	case PACKET3_DRAW_INDEX_INDIRECT:
4495 	case PACKET3_INDEX_BASE:
4496 	case PACKET3_DRAW_INDEX_2:
4497 	case PACKET3_CONTEXT_CONTROL:
4498 	case PACKET3_INDEX_TYPE:
4499 	case PACKET3_DRAW_INDIRECT_MULTI:
4500 	case PACKET3_DRAW_INDEX_AUTO:
4501 	case PACKET3_DRAW_INDEX_IMMD:
4502 	case PACKET3_NUM_INSTANCES:
4503 	case PACKET3_DRAW_INDEX_MULTI_AUTO:
4504 	case PACKET3_STRMOUT_BUFFER_UPDATE:
4505 	case PACKET3_DRAW_INDEX_OFFSET_2:
4506 	case PACKET3_DRAW_INDEX_MULTI_ELEMENT:
4507 	case PACKET3_DRAW_INDEX_INDIRECT_MULTI:
4508 	case PACKET3_MPEG_INDEX:
4509 	case PACKET3_WAIT_REG_MEM:
4510 	case PACKET3_MEM_WRITE:
4511 	case PACKET3_PFP_SYNC_ME:
4512 	case PACKET3_SURFACE_SYNC:
4513 	case PACKET3_EVENT_WRITE:
4514 	case PACKET3_EVENT_WRITE_EOP:
4515 	case PACKET3_EVENT_WRITE_EOS:
4516 	case PACKET3_SET_CONTEXT_REG:
4517 	case PACKET3_SET_CONTEXT_REG_INDIRECT:
4518 	case PACKET3_SET_SH_REG:
4519 	case PACKET3_SET_SH_REG_OFFSET:
4520 	case PACKET3_INCREMENT_DE_COUNTER:
4521 	case PACKET3_WAIT_ON_CE_COUNTER:
4522 	case PACKET3_WAIT_ON_AVAIL_BUFFER:
4523 	case PACKET3_ME_WRITE:
4524 		break;
4525 	case PACKET3_COPY_DATA:
4526 		if ((idx_value & 0xf00) == 0) {
4527 			reg = ib[idx + 3] * 4;
4528 			if (!si_vm_reg_valid(reg))
4529 				return -EINVAL;
4530 		}
4531 		break;
4532 	case PACKET3_WRITE_DATA:
4533 		if ((idx_value & 0xf00) == 0) {
4534 			start_reg = ib[idx + 1] * 4;
4535 			if (idx_value & 0x10000) {
4536 				if (!si_vm_reg_valid(start_reg))
4537 					return -EINVAL;
4538 			} else {
4539 				for (i = 0; i < (pkt->count - 2); i++) {
4540 					reg = start_reg + (4 * i);
4541 					if (!si_vm_reg_valid(reg))
4542 						return -EINVAL;
4543 				}
4544 			}
4545 		}
4546 		break;
4547 	case PACKET3_COND_WRITE:
4548 		if (idx_value & 0x100) {
4549 			reg = ib[idx + 5] * 4;
4550 			if (!si_vm_reg_valid(reg))
4551 				return -EINVAL;
4552 		}
4553 		break;
4554 	case PACKET3_COPY_DW:
4555 		if (idx_value & 0x2) {
4556 			reg = ib[idx + 3] * 4;
4557 			if (!si_vm_reg_valid(reg))
4558 				return -EINVAL;
4559 		}
4560 		break;
4561 	case PACKET3_SET_CONFIG_REG:
4562 		start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_START;
4563 		end_reg = 4 * pkt->count + start_reg - 4;
4564 		if ((start_reg < PACKET3_SET_CONFIG_REG_START) ||
4565 		    (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
4566 		    (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
4567 			DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
4568 			return -EINVAL;
4569 		}
4570 		for (i = 0; i < pkt->count; i++) {
4571 			reg = start_reg + (4 * i);
4572 			if (!si_vm_reg_valid(reg))
4573 				return -EINVAL;
4574 		}
4575 		break;
4576 	case PACKET3_CP_DMA:
4577 		r = si_vm_packet3_cp_dma_check(ib, idx);
4578 		if (r)
4579 			return r;
4580 		break;
4581 	default:
4582 		DRM_ERROR("Invalid GFX packet3: 0x%x\n", pkt->opcode);
4583 		return -EINVAL;
4584 	}
4585 	return 0;
4586 }
4587 
4588 static int si_vm_packet3_compute_check(struct radeon_device *rdev,
4589 				       u32 *ib, struct radeon_cs_packet *pkt)
4590 {
4591 	int r;
4592 	u32 idx = pkt->idx + 1;
4593 	u32 idx_value = ib[idx];
4594 	u32 start_reg, reg, i;
4595 
4596 	switch (pkt->opcode) {
4597 	case PACKET3_NOP:
4598 	case PACKET3_SET_BASE:
4599 	case PACKET3_CLEAR_STATE:
4600 	case PACKET3_DISPATCH_DIRECT:
4601 	case PACKET3_DISPATCH_INDIRECT:
4602 	case PACKET3_ALLOC_GDS:
4603 	case PACKET3_WRITE_GDS_RAM:
4604 	case PACKET3_ATOMIC_GDS:
4605 	case PACKET3_ATOMIC:
4606 	case PACKET3_OCCLUSION_QUERY:
4607 	case PACKET3_SET_PREDICATION:
4608 	case PACKET3_COND_EXEC:
4609 	case PACKET3_PRED_EXEC:
4610 	case PACKET3_CONTEXT_CONTROL:
4611 	case PACKET3_STRMOUT_BUFFER_UPDATE:
4612 	case PACKET3_WAIT_REG_MEM:
4613 	case PACKET3_MEM_WRITE:
4614 	case PACKET3_PFP_SYNC_ME:
4615 	case PACKET3_SURFACE_SYNC:
4616 	case PACKET3_EVENT_WRITE:
4617 	case PACKET3_EVENT_WRITE_EOP:
4618 	case PACKET3_EVENT_WRITE_EOS:
4619 	case PACKET3_SET_CONTEXT_REG:
4620 	case PACKET3_SET_CONTEXT_REG_INDIRECT:
4621 	case PACKET3_SET_SH_REG:
4622 	case PACKET3_SET_SH_REG_OFFSET:
4623 	case PACKET3_INCREMENT_DE_COUNTER:
4624 	case PACKET3_WAIT_ON_CE_COUNTER:
4625 	case PACKET3_WAIT_ON_AVAIL_BUFFER:
4626 	case PACKET3_ME_WRITE:
4627 		break;
4628 	case PACKET3_COPY_DATA:
4629 		if ((idx_value & 0xf00) == 0) {
4630 			reg = ib[idx + 3] * 4;
4631 			if (!si_vm_reg_valid(reg))
4632 				return -EINVAL;
4633 		}
4634 		break;
4635 	case PACKET3_WRITE_DATA:
4636 		if ((idx_value & 0xf00) == 0) {
4637 			start_reg = ib[idx + 1] * 4;
4638 			if (idx_value & 0x10000) {
4639 				if (!si_vm_reg_valid(start_reg))
4640 					return -EINVAL;
4641 			} else {
4642 				for (i = 0; i < (pkt->count - 2); i++) {
4643 					reg = start_reg + (4 * i);
4644 					if (!si_vm_reg_valid(reg))
4645 						return -EINVAL;
4646 				}
4647 			}
4648 		}
4649 		break;
4650 	case PACKET3_COND_WRITE:
4651 		if (idx_value & 0x100) {
4652 			reg = ib[idx + 5] * 4;
4653 			if (!si_vm_reg_valid(reg))
4654 				return -EINVAL;
4655 		}
4656 		break;
4657 	case PACKET3_COPY_DW:
4658 		if (idx_value & 0x2) {
4659 			reg = ib[idx + 3] * 4;
4660 			if (!si_vm_reg_valid(reg))
4661 				return -EINVAL;
4662 		}
4663 		break;
4664 	case PACKET3_CP_DMA:
4665 		r = si_vm_packet3_cp_dma_check(ib, idx);
4666 		if (r)
4667 			return r;
4668 		break;
4669 	default:
4670 		DRM_ERROR("Invalid Compute packet3: 0x%x\n", pkt->opcode);
4671 		return -EINVAL;
4672 	}
4673 	return 0;
4674 }
4675 
4676 int si_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib)
4677 {
4678 	int ret = 0;
4679 	u32 idx = 0, i;
4680 	struct radeon_cs_packet pkt;
4681 
4682 	do {
4683 		pkt.idx = idx;
4684 		pkt.type = RADEON_CP_PACKET_GET_TYPE(ib->ptr[idx]);
4685 		pkt.count = RADEON_CP_PACKET_GET_COUNT(ib->ptr[idx]);
4686 		pkt.one_reg_wr = 0;
4687 		switch (pkt.type) {
4688 		case RADEON_PACKET_TYPE0:
4689 			dev_err(rdev->dev, "Packet0 not allowed!\n");
4690 			ret = -EINVAL;
4691 			break;
4692 		case RADEON_PACKET_TYPE2:
4693 			idx += 1;
4694 			break;
4695 		case RADEON_PACKET_TYPE3:
4696 			pkt.opcode = RADEON_CP_PACKET3_GET_OPCODE(ib->ptr[idx]);
4697 			if (ib->is_const_ib)
4698 				ret = si_vm_packet3_ce_check(rdev, ib->ptr, &pkt);
4699 			else {
4700 				switch (ib->ring) {
4701 				case RADEON_RING_TYPE_GFX_INDEX:
4702 					ret = si_vm_packet3_gfx_check(rdev, ib->ptr, &pkt);
4703 					break;
4704 				case CAYMAN_RING_TYPE_CP1_INDEX:
4705 				case CAYMAN_RING_TYPE_CP2_INDEX:
4706 					ret = si_vm_packet3_compute_check(rdev, ib->ptr, &pkt);
4707 					break;
4708 				default:
4709 					dev_err(rdev->dev, "Non-PM4 ring %d !\n", ib->ring);
4710 					ret = -EINVAL;
4711 					break;
4712 				}
4713 			}
4714 			idx += pkt.count + 2;
4715 			break;
4716 		default:
4717 			dev_err(rdev->dev, "Unknown packet type %d !\n", pkt.type);
4718 			ret = -EINVAL;
4719 			break;
4720 		}
4721 		if (ret) {
4722 			for (i = 0; i < ib->length_dw; i++) {
4723 				if (i == idx)
4724 					printk("\t0x%08x <---\n", ib->ptr[i]);
4725 				else
4726 					printk("\t0x%08x\n", ib->ptr[i]);
4727 			}
4728 			break;
4729 		}
4730 	} while (idx < ib->length_dw);
4731 
4732 	return ret;
4733 }
4734 
4735 /*
4736  * vm
4737  */
4738 int si_vm_init(struct radeon_device *rdev)
4739 {
4740 	/* number of VMs */
4741 	rdev->vm_manager.nvm = 16;
4742 	/* base offset of vram pages */
4743 	rdev->vm_manager.vram_base_offset = 0;
4744 
4745 	return 0;
4746 }
4747 
4748 void si_vm_fini(struct radeon_device *rdev)
4749 {
4750 }
4751 
4752 /**
4753  * si_vm_decode_fault - print human readable fault info
4754  *
4755  * @rdev: radeon_device pointer
4756  * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
4757  * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
4758  *
4759  * Print human readable fault information (SI).
4760  */
4761 static void si_vm_decode_fault(struct radeon_device *rdev,
4762 			       u32 status, u32 addr)
4763 {
4764 	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
4765 	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
4766 	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
4767 	char *block;
4768 
4769 	if (rdev->family == CHIP_TAHITI) {
4770 		switch (mc_id) {
4771 		case 160:
4772 		case 144:
4773 		case 96:
4774 		case 80:
4775 		case 224:
4776 		case 208:
4777 		case 32:
4778 		case 16:
4779 			block = "CB";
4780 			break;
4781 		case 161:
4782 		case 145:
4783 		case 97:
4784 		case 81:
4785 		case 225:
4786 		case 209:
4787 		case 33:
4788 		case 17:
4789 			block = "CB_FMASK";
4790 			break;
4791 		case 162:
4792 		case 146:
4793 		case 98:
4794 		case 82:
4795 		case 226:
4796 		case 210:
4797 		case 34:
4798 		case 18:
4799 			block = "CB_CMASK";
4800 			break;
4801 		case 163:
4802 		case 147:
4803 		case 99:
4804 		case 83:
4805 		case 227:
4806 		case 211:
4807 		case 35:
4808 		case 19:
4809 			block = "CB_IMMED";
4810 			break;
4811 		case 164:
4812 		case 148:
4813 		case 100:
4814 		case 84:
4815 		case 228:
4816 		case 212:
4817 		case 36:
4818 		case 20:
4819 			block = "DB";
4820 			break;
4821 		case 165:
4822 		case 149:
4823 		case 101:
4824 		case 85:
4825 		case 229:
4826 		case 213:
4827 		case 37:
4828 		case 21:
4829 			block = "DB_HTILE";
4830 			break;
4831 		case 167:
4832 		case 151:
4833 		case 103:
4834 		case 87:
4835 		case 231:
4836 		case 215:
4837 		case 39:
4838 		case 23:
4839 			block = "DB_STEN";
4840 			break;
4841 		case 72:
4842 		case 68:
4843 		case 64:
4844 		case 8:
4845 		case 4:
4846 		case 0:
4847 		case 136:
4848 		case 132:
4849 		case 128:
4850 		case 200:
4851 		case 196:
4852 		case 192:
4853 			block = "TC";
4854 			break;
4855 		case 112:
4856 		case 48:
4857 			block = "CP";
4858 			break;
4859 		case 49:
4860 		case 177:
4861 		case 50:
4862 		case 178:
4863 			block = "SH";
4864 			break;
4865 		case 53:
4866 		case 190:
4867 			block = "VGT";
4868 			break;
4869 		case 117:
4870 			block = "IH";
4871 			break;
4872 		case 51:
4873 		case 115:
4874 			block = "RLC";
4875 			break;
4876 		case 119:
4877 		case 183:
4878 			block = "DMA0";
4879 			break;
4880 		case 61:
4881 			block = "DMA1";
4882 			break;
4883 		case 248:
4884 		case 120:
4885 			block = "HDP";
4886 			break;
4887 		default:
4888 			block = "unknown";
4889 			break;
4890 		}
4891 	} else {
4892 		switch (mc_id) {
4893 		case 32:
4894 		case 16:
4895 		case 96:
4896 		case 80:
4897 		case 160:
4898 		case 144:
4899 		case 224:
4900 		case 208:
4901 			block = "CB";
4902 			break;
4903 		case 33:
4904 		case 17:
4905 		case 97:
4906 		case 81:
4907 		case 161:
4908 		case 145:
4909 		case 225:
4910 		case 209:
4911 			block = "CB_FMASK";
4912 			break;
4913 		case 34:
4914 		case 18:
4915 		case 98:
4916 		case 82:
4917 		case 162:
4918 		case 146:
4919 		case 226:
4920 		case 210:
4921 			block = "CB_CMASK";
4922 			break;
4923 		case 35:
4924 		case 19:
4925 		case 99:
4926 		case 83:
4927 		case 163:
4928 		case 147:
4929 		case 227:
4930 		case 211:
4931 			block = "CB_IMMED";
4932 			break;
4933 		case 36:
4934 		case 20:
4935 		case 100:
4936 		case 84:
4937 		case 164:
4938 		case 148:
4939 		case 228:
4940 		case 212:
4941 			block = "DB";
4942 			break;
4943 		case 37:
4944 		case 21:
4945 		case 101:
4946 		case 85:
4947 		case 165:
4948 		case 149:
4949 		case 229:
4950 		case 213:
4951 			block = "DB_HTILE";
4952 			break;
4953 		case 39:
4954 		case 23:
4955 		case 103:
4956 		case 87:
4957 		case 167:
4958 		case 151:
4959 		case 231:
4960 		case 215:
4961 			block = "DB_STEN";
4962 			break;
4963 		case 72:
4964 		case 68:
4965 		case 8:
4966 		case 4:
4967 		case 136:
4968 		case 132:
4969 		case 200:
4970 		case 196:
4971 			block = "TC";
4972 			break;
4973 		case 112:
4974 		case 48:
4975 			block = "CP";
4976 			break;
4977 		case 49:
4978 		case 177:
4979 		case 50:
4980 		case 178:
4981 			block = "SH";
4982 			break;
4983 		case 53:
4984 			block = "VGT";
4985 			break;
4986 		case 117:
4987 			block = "IH";
4988 			break;
4989 		case 51:
4990 		case 115:
4991 			block = "RLC";
4992 			break;
4993 		case 119:
4994 		case 183:
4995 			block = "DMA0";
4996 			break;
4997 		case 61:
4998 			block = "DMA1";
4999 			break;
5000 		case 248:
5001 		case 120:
5002 			block = "HDP";
5003 			break;
5004 		default:
5005 			block = "unknown";
5006 			break;
5007 		}
5008 	}
5009 
5010 	printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
5011 	       protections, vmid, addr,
5012 	       (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
5013 	       block, mc_id);
5014 }
5015 
5016 void si_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring,
5017 		 unsigned vm_id, uint64_t pd_addr)
5018 {
5019 	/* write new base address */
5020 	radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
5021 	radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(1) |
5022 				 WRITE_DATA_DST_SEL(0)));
5023 
5024 	if (vm_id < 8) {
5025 		radeon_ring_write(ring,
5026 				  (VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm_id << 2)) >> 2);
5027 	} else {
5028 		radeon_ring_write(ring,
5029 				  (VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((vm_id - 8) << 2)) >> 2);
5030 	}
5031 	radeon_ring_write(ring, 0);
5032 	radeon_ring_write(ring, pd_addr >> 12);
5033 
5034 	/* flush hdp cache */
5035 	radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
5036 	radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(1) |
5037 				 WRITE_DATA_DST_SEL(0)));
5038 	radeon_ring_write(ring, HDP_MEM_COHERENCY_FLUSH_CNTL >> 2);
5039 	radeon_ring_write(ring, 0);
5040 	radeon_ring_write(ring, 0x1);
5041 
5042 	/* bits 0-15 are the VM contexts0-15 */
5043 	radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
5044 	radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(1) |
5045 				 WRITE_DATA_DST_SEL(0)));
5046 	radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
5047 	radeon_ring_write(ring, 0);
5048 	radeon_ring_write(ring, 1 << vm_id);
5049 
5050 	/* wait for the invalidate to complete */
5051 	radeon_ring_write(ring, PACKET3(PACKET3_WAIT_REG_MEM, 5));
5052 	radeon_ring_write(ring, (WAIT_REG_MEM_FUNCTION(0) |  /* always */
5053 				 WAIT_REG_MEM_ENGINE(0))); /* me */
5054 	radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
5055 	radeon_ring_write(ring, 0);
5056 	radeon_ring_write(ring, 0); /* ref */
5057 	radeon_ring_write(ring, 0); /* mask */
5058 	radeon_ring_write(ring, 0x20); /* poll interval */
5059 
5060 	/* sync PFP to ME, otherwise we might get invalid PFP reads */
5061 	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
5062 	radeon_ring_write(ring, 0x0);
5063 }
5064 
5065 /*
5066  *  Power and clock gating
5067  */
5068 static void si_wait_for_rlc_serdes(struct radeon_device *rdev)
5069 {
5070 	int i;
5071 
5072 	for (i = 0; i < rdev->usec_timeout; i++) {
5073 		if (RREG32(RLC_SERDES_MASTER_BUSY_0) == 0)
5074 			break;
5075 		udelay(1);
5076 	}
5077 
5078 	for (i = 0; i < rdev->usec_timeout; i++) {
5079 		if (RREG32(RLC_SERDES_MASTER_BUSY_1) == 0)
5080 			break;
5081 		udelay(1);
5082 	}
5083 }
5084 
5085 static void si_enable_gui_idle_interrupt(struct radeon_device *rdev,
5086 					 bool enable)
5087 {
5088 	u32 tmp = RREG32(CP_INT_CNTL_RING0);
5089 	u32 mask;
5090 	int i;
5091 
5092 	if (enable)
5093 		tmp |= (CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
5094 	else
5095 		tmp &= ~(CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
5096 	WREG32(CP_INT_CNTL_RING0, tmp);
5097 
5098 	if (!enable) {
5099 		/* read a gfx register */
5100 		tmp = RREG32(DB_DEPTH_INFO);
5101 
5102 		mask = RLC_BUSY_STATUS | GFX_POWER_STATUS | GFX_CLOCK_STATUS | GFX_LS_STATUS;
5103 		for (i = 0; i < rdev->usec_timeout; i++) {
5104 			if ((RREG32(RLC_STAT) & mask) == (GFX_CLOCK_STATUS | GFX_POWER_STATUS))
5105 				break;
5106 			udelay(1);
5107 		}
5108 	}
5109 }
5110 
5111 static void si_set_uvd_dcm(struct radeon_device *rdev,
5112 			   bool sw_mode)
5113 {
5114 	u32 tmp, tmp2;
5115 
5116 	tmp = RREG32(UVD_CGC_CTRL);
5117 	tmp &= ~(CLK_OD_MASK | CG_DT_MASK);
5118 	tmp |= DCM | CG_DT(1) | CLK_OD(4);
5119 
5120 	if (sw_mode) {
5121 		tmp &= ~0x7ffff800;
5122 		tmp2 = DYN_OR_EN | DYN_RR_EN | G_DIV_ID(7);
5123 	} else {
5124 		tmp |= 0x7ffff800;
5125 		tmp2 = 0;
5126 	}
5127 
5128 	WREG32(UVD_CGC_CTRL, tmp);
5129 	WREG32_UVD_CTX(UVD_CGC_CTRL2, tmp2);
5130 }
5131 
5132 void si_init_uvd_internal_cg(struct radeon_device *rdev)
5133 {
5134 	bool hw_mode = true;
5135 
5136 	if (hw_mode) {
5137 		si_set_uvd_dcm(rdev, false);
5138 	} else {
5139 		u32 tmp = RREG32(UVD_CGC_CTRL);
5140 		tmp &= ~DCM;
5141 		WREG32(UVD_CGC_CTRL, tmp);
5142 	}
5143 }
5144 
5145 static u32 si_halt_rlc(struct radeon_device *rdev)
5146 {
5147 	u32 data, orig;
5148 
5149 	orig = data = RREG32(RLC_CNTL);
5150 
5151 	if (data & RLC_ENABLE) {
5152 		data &= ~RLC_ENABLE;
5153 		WREG32(RLC_CNTL, data);
5154 
5155 		si_wait_for_rlc_serdes(rdev);
5156 	}
5157 
5158 	return orig;
5159 }
5160 
5161 static void si_update_rlc(struct radeon_device *rdev, u32 rlc)
5162 {
5163 	u32 tmp;
5164 
5165 	tmp = RREG32(RLC_CNTL);
5166 	if (tmp != rlc)
5167 		WREG32(RLC_CNTL, rlc);
5168 }
5169 
5170 static void si_enable_dma_pg(struct radeon_device *rdev, bool enable)
5171 {
5172 	u32 data, orig;
5173 
5174 	orig = data = RREG32(DMA_PG);
5175 	if (enable && (rdev->pg_flags & RADEON_PG_SUPPORT_SDMA))
5176 		data |= PG_CNTL_ENABLE;
5177 	else
5178 		data &= ~PG_CNTL_ENABLE;
5179 	if (orig != data)
5180 		WREG32(DMA_PG, data);
5181 }
5182 
5183 static void si_init_dma_pg(struct radeon_device *rdev)
5184 {
5185 	u32 tmp;
5186 
5187 	WREG32(DMA_PGFSM_WRITE,  0x00002000);
5188 	WREG32(DMA_PGFSM_CONFIG, 0x100010ff);
5189 
5190 	for (tmp = 0; tmp < 5; tmp++)
5191 		WREG32(DMA_PGFSM_WRITE, 0);
5192 }
5193 
5194 static void si_enable_gfx_cgpg(struct radeon_device *rdev,
5195 			       bool enable)
5196 {
5197 	u32 tmp;
5198 
5199 	if (enable && (rdev->pg_flags & RADEON_PG_SUPPORT_GFX_PG)) {
5200 		tmp = RLC_PUD(0x10) | RLC_PDD(0x10) | RLC_TTPD(0x10) | RLC_MSD(0x10);
5201 		WREG32(RLC_TTOP_D, tmp);
5202 
5203 		tmp = RREG32(RLC_PG_CNTL);
5204 		tmp |= GFX_PG_ENABLE;
5205 		WREG32(RLC_PG_CNTL, tmp);
5206 
5207 		tmp = RREG32(RLC_AUTO_PG_CTRL);
5208 		tmp |= AUTO_PG_EN;
5209 		WREG32(RLC_AUTO_PG_CTRL, tmp);
5210 	} else {
5211 		tmp = RREG32(RLC_AUTO_PG_CTRL);
5212 		tmp &= ~AUTO_PG_EN;
5213 		WREG32(RLC_AUTO_PG_CTRL, tmp);
5214 
5215 		tmp = RREG32(DB_RENDER_CONTROL);
5216 	}
5217 }
5218 
5219 static void si_init_gfx_cgpg(struct radeon_device *rdev)
5220 {
5221 	u32 tmp;
5222 
5223 	WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
5224 
5225 	tmp = RREG32(RLC_PG_CNTL);
5226 	tmp |= GFX_PG_SRC;
5227 	WREG32(RLC_PG_CNTL, tmp);
5228 
5229 	WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
5230 
5231 	tmp = RREG32(RLC_AUTO_PG_CTRL);
5232 
5233 	tmp &= ~GRBM_REG_SGIT_MASK;
5234 	tmp |= GRBM_REG_SGIT(0x700);
5235 	tmp &= ~PG_AFTER_GRBM_REG_ST_MASK;
5236 	WREG32(RLC_AUTO_PG_CTRL, tmp);
5237 }
5238 
5239 static u32 si_get_cu_active_bitmap(struct radeon_device *rdev, u32 se, u32 sh)
5240 {
5241 	u32 mask = 0, tmp, tmp1;
5242 	int i;
5243 
5244 	si_select_se_sh(rdev, se, sh);
5245 	tmp = RREG32(CC_GC_SHADER_ARRAY_CONFIG);
5246 	tmp1 = RREG32(GC_USER_SHADER_ARRAY_CONFIG);
5247 	si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
5248 
5249 	tmp &= 0xffff0000;
5250 
5251 	tmp |= tmp1;
5252 	tmp >>= 16;
5253 
5254 	for (i = 0; i < rdev->config.si.max_cu_per_sh; i ++) {
5255 		mask <<= 1;
5256 		mask |= 1;
5257 	}
5258 
5259 	return (~tmp) & mask;
5260 }
5261 
5262 static void si_init_ao_cu_mask(struct radeon_device *rdev)
5263 {
5264 	u32 i, j, k, active_cu_number = 0;
5265 	u32 mask, counter, cu_bitmap;
5266 	u32 tmp = 0;
5267 
5268 	for (i = 0; i < rdev->config.si.max_shader_engines; i++) {
5269 		for (j = 0; j < rdev->config.si.max_sh_per_se; j++) {
5270 			mask = 1;
5271 			cu_bitmap = 0;
5272 			counter  = 0;
5273 			for (k = 0; k < rdev->config.si.max_cu_per_sh; k++) {
5274 				if (si_get_cu_active_bitmap(rdev, i, j) & mask) {
5275 					if (counter < 2)
5276 						cu_bitmap |= mask;
5277 					counter++;
5278 				}
5279 				mask <<= 1;
5280 			}
5281 
5282 			active_cu_number += counter;
5283 			tmp |= (cu_bitmap << (i * 16 + j * 8));
5284 		}
5285 	}
5286 
5287 	WREG32(RLC_PG_AO_CU_MASK, tmp);
5288 
5289 	tmp = RREG32(RLC_MAX_PG_CU);
5290 	tmp &= ~MAX_PU_CU_MASK;
5291 	tmp |= MAX_PU_CU(active_cu_number);
5292 	WREG32(RLC_MAX_PG_CU, tmp);
5293 }
5294 
5295 static void si_enable_cgcg(struct radeon_device *rdev,
5296 			   bool enable)
5297 {
5298 	u32 data, orig, tmp;
5299 
5300 	orig = data = RREG32(RLC_CGCG_CGLS_CTRL);
5301 
5302 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_GFX_CGCG)) {
5303 		si_enable_gui_idle_interrupt(rdev, true);
5304 
5305 		WREG32(RLC_GCPM_GENERAL_3, 0x00000080);
5306 
5307 		tmp = si_halt_rlc(rdev);
5308 
5309 		WREG32(RLC_SERDES_WR_MASTER_MASK_0, 0xffffffff);
5310 		WREG32(RLC_SERDES_WR_MASTER_MASK_1, 0xffffffff);
5311 		WREG32(RLC_SERDES_WR_CTRL, 0x00b000ff);
5312 
5313 		si_wait_for_rlc_serdes(rdev);
5314 
5315 		si_update_rlc(rdev, tmp);
5316 
5317 		WREG32(RLC_SERDES_WR_CTRL, 0x007000ff);
5318 
5319 		data |= CGCG_EN | CGLS_EN;
5320 	} else {
5321 		si_enable_gui_idle_interrupt(rdev, false);
5322 
5323 		RREG32(CB_CGTT_SCLK_CTRL);
5324 		RREG32(CB_CGTT_SCLK_CTRL);
5325 		RREG32(CB_CGTT_SCLK_CTRL);
5326 		RREG32(CB_CGTT_SCLK_CTRL);
5327 
5328 		data &= ~(CGCG_EN | CGLS_EN);
5329 	}
5330 
5331 	if (orig != data)
5332 		WREG32(RLC_CGCG_CGLS_CTRL, data);
5333 }
5334 
5335 static void si_enable_mgcg(struct radeon_device *rdev,
5336 			   bool enable)
5337 {
5338 	u32 data, orig, tmp = 0;
5339 
5340 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_GFX_MGCG)) {
5341 		orig = data = RREG32(CGTS_SM_CTRL_REG);
5342 		data = 0x96940200;
5343 		if (orig != data)
5344 			WREG32(CGTS_SM_CTRL_REG, data);
5345 
5346 		if (rdev->cg_flags & RADEON_CG_SUPPORT_GFX_CP_LS) {
5347 			orig = data = RREG32(CP_MEM_SLP_CNTL);
5348 			data |= CP_MEM_LS_EN;
5349 			if (orig != data)
5350 				WREG32(CP_MEM_SLP_CNTL, data);
5351 		}
5352 
5353 		orig = data = RREG32(RLC_CGTT_MGCG_OVERRIDE);
5354 		data &= 0xffffffc0;
5355 		if (orig != data)
5356 			WREG32(RLC_CGTT_MGCG_OVERRIDE, data);
5357 
5358 		tmp = si_halt_rlc(rdev);
5359 
5360 		WREG32(RLC_SERDES_WR_MASTER_MASK_0, 0xffffffff);
5361 		WREG32(RLC_SERDES_WR_MASTER_MASK_1, 0xffffffff);
5362 		WREG32(RLC_SERDES_WR_CTRL, 0x00d000ff);
5363 
5364 		si_update_rlc(rdev, tmp);
5365 	} else {
5366 		orig = data = RREG32(RLC_CGTT_MGCG_OVERRIDE);
5367 		data |= 0x00000003;
5368 		if (orig != data)
5369 			WREG32(RLC_CGTT_MGCG_OVERRIDE, data);
5370 
5371 		data = RREG32(CP_MEM_SLP_CNTL);
5372 		if (data & CP_MEM_LS_EN) {
5373 			data &= ~CP_MEM_LS_EN;
5374 			WREG32(CP_MEM_SLP_CNTL, data);
5375 		}
5376 		orig = data = RREG32(CGTS_SM_CTRL_REG);
5377 		data |= LS_OVERRIDE | OVERRIDE;
5378 		if (orig != data)
5379 			WREG32(CGTS_SM_CTRL_REG, data);
5380 
5381 		tmp = si_halt_rlc(rdev);
5382 
5383 		WREG32(RLC_SERDES_WR_MASTER_MASK_0, 0xffffffff);
5384 		WREG32(RLC_SERDES_WR_MASTER_MASK_1, 0xffffffff);
5385 		WREG32(RLC_SERDES_WR_CTRL, 0x00e000ff);
5386 
5387 		si_update_rlc(rdev, tmp);
5388 	}
5389 }
5390 
5391 static void si_enable_uvd_mgcg(struct radeon_device *rdev,
5392 			       bool enable)
5393 {
5394 	u32 orig, data, tmp;
5395 
5396 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_UVD_MGCG)) {
5397 		tmp = RREG32_UVD_CTX(UVD_CGC_MEM_CTRL);
5398 		tmp |= 0x3fff;
5399 		WREG32_UVD_CTX(UVD_CGC_MEM_CTRL, tmp);
5400 
5401 		orig = data = RREG32(UVD_CGC_CTRL);
5402 		data |= DCM;
5403 		if (orig != data)
5404 			WREG32(UVD_CGC_CTRL, data);
5405 
5406 		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_0, 0);
5407 		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_1, 0);
5408 	} else {
5409 		tmp = RREG32_UVD_CTX(UVD_CGC_MEM_CTRL);
5410 		tmp &= ~0x3fff;
5411 		WREG32_UVD_CTX(UVD_CGC_MEM_CTRL, tmp);
5412 
5413 		orig = data = RREG32(UVD_CGC_CTRL);
5414 		data &= ~DCM;
5415 		if (orig != data)
5416 			WREG32(UVD_CGC_CTRL, data);
5417 
5418 		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_0, 0xffffffff);
5419 		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_1, 0xffffffff);
5420 	}
5421 }
5422 
5423 static const u32 mc_cg_registers[] =
5424 {
5425 	MC_HUB_MISC_HUB_CG,
5426 	MC_HUB_MISC_SIP_CG,
5427 	MC_HUB_MISC_VM_CG,
5428 	MC_XPB_CLK_GAT,
5429 	ATC_MISC_CG,
5430 	MC_CITF_MISC_WR_CG,
5431 	MC_CITF_MISC_RD_CG,
5432 	MC_CITF_MISC_VM_CG,
5433 	VM_L2_CG,
5434 };
5435 
5436 static void si_enable_mc_ls(struct radeon_device *rdev,
5437 			    bool enable)
5438 {
5439 	int i;
5440 	u32 orig, data;
5441 
5442 	for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
5443 		orig = data = RREG32(mc_cg_registers[i]);
5444 		if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_MC_LS))
5445 			data |= MC_LS_ENABLE;
5446 		else
5447 			data &= ~MC_LS_ENABLE;
5448 		if (data != orig)
5449 			WREG32(mc_cg_registers[i], data);
5450 	}
5451 }
5452 
5453 static void si_enable_mc_mgcg(struct radeon_device *rdev,
5454 			       bool enable)
5455 {
5456 	int i;
5457 	u32 orig, data;
5458 
5459 	for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
5460 		orig = data = RREG32(mc_cg_registers[i]);
5461 		if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_MC_MGCG))
5462 			data |= MC_CG_ENABLE;
5463 		else
5464 			data &= ~MC_CG_ENABLE;
5465 		if (data != orig)
5466 			WREG32(mc_cg_registers[i], data);
5467 	}
5468 }
5469 
5470 static void si_enable_dma_mgcg(struct radeon_device *rdev,
5471 			       bool enable)
5472 {
5473 	u32 orig, data, offset;
5474 	int i;
5475 
5476 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_SDMA_MGCG)) {
5477 		for (i = 0; i < 2; i++) {
5478 			if (i == 0)
5479 				offset = DMA0_REGISTER_OFFSET;
5480 			else
5481 				offset = DMA1_REGISTER_OFFSET;
5482 			orig = data = RREG32(DMA_POWER_CNTL + offset);
5483 			data &= ~MEM_POWER_OVERRIDE;
5484 			if (data != orig)
5485 				WREG32(DMA_POWER_CNTL + offset, data);
5486 			WREG32(DMA_CLK_CTRL + offset, 0x00000100);
5487 		}
5488 	} else {
5489 		for (i = 0; i < 2; i++) {
5490 			if (i == 0)
5491 				offset = DMA0_REGISTER_OFFSET;
5492 			else
5493 				offset = DMA1_REGISTER_OFFSET;
5494 			orig = data = RREG32(DMA_POWER_CNTL + offset);
5495 			data |= MEM_POWER_OVERRIDE;
5496 			if (data != orig)
5497 				WREG32(DMA_POWER_CNTL + offset, data);
5498 
5499 			orig = data = RREG32(DMA_CLK_CTRL + offset);
5500 			data = 0xff000000;
5501 			if (data != orig)
5502 				WREG32(DMA_CLK_CTRL + offset, data);
5503 		}
5504 	}
5505 }
5506 
5507 static void si_enable_bif_mgls(struct radeon_device *rdev,
5508 			       bool enable)
5509 {
5510 	u32 orig, data;
5511 
5512 	orig = data = RREG32_PCIE(PCIE_CNTL2);
5513 
5514 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_BIF_LS))
5515 		data |= SLV_MEM_LS_EN | MST_MEM_LS_EN |
5516 			REPLAY_MEM_LS_EN | SLV_MEM_AGGRESSIVE_LS_EN;
5517 	else
5518 		data &= ~(SLV_MEM_LS_EN | MST_MEM_LS_EN |
5519 			  REPLAY_MEM_LS_EN | SLV_MEM_AGGRESSIVE_LS_EN);
5520 
5521 	if (orig != data)
5522 		WREG32_PCIE(PCIE_CNTL2, data);
5523 }
5524 
5525 static void si_enable_hdp_mgcg(struct radeon_device *rdev,
5526 			       bool enable)
5527 {
5528 	u32 orig, data;
5529 
5530 	orig = data = RREG32(HDP_HOST_PATH_CNTL);
5531 
5532 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_HDP_MGCG))
5533 		data &= ~CLOCK_GATING_DIS;
5534 	else
5535 		data |= CLOCK_GATING_DIS;
5536 
5537 	if (orig != data)
5538 		WREG32(HDP_HOST_PATH_CNTL, data);
5539 }
5540 
5541 static void si_enable_hdp_ls(struct radeon_device *rdev,
5542 			     bool enable)
5543 {
5544 	u32 orig, data;
5545 
5546 	orig = data = RREG32(HDP_MEM_POWER_LS);
5547 
5548 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_HDP_LS))
5549 		data |= HDP_LS_ENABLE;
5550 	else
5551 		data &= ~HDP_LS_ENABLE;
5552 
5553 	if (orig != data)
5554 		WREG32(HDP_MEM_POWER_LS, data);
5555 }
5556 
5557 static void si_update_cg(struct radeon_device *rdev,
5558 			 u32 block, bool enable)
5559 {
5560 	if (block & RADEON_CG_BLOCK_GFX) {
5561 		si_enable_gui_idle_interrupt(rdev, false);
5562 		/* order matters! */
5563 		if (enable) {
5564 			si_enable_mgcg(rdev, true);
5565 			si_enable_cgcg(rdev, true);
5566 		} else {
5567 			si_enable_cgcg(rdev, false);
5568 			si_enable_mgcg(rdev, false);
5569 		}
5570 		si_enable_gui_idle_interrupt(rdev, true);
5571 	}
5572 
5573 	if (block & RADEON_CG_BLOCK_MC) {
5574 		si_enable_mc_mgcg(rdev, enable);
5575 		si_enable_mc_ls(rdev, enable);
5576 	}
5577 
5578 	if (block & RADEON_CG_BLOCK_SDMA) {
5579 		si_enable_dma_mgcg(rdev, enable);
5580 	}
5581 
5582 	if (block & RADEON_CG_BLOCK_BIF) {
5583 		si_enable_bif_mgls(rdev, enable);
5584 	}
5585 
5586 	if (block & RADEON_CG_BLOCK_UVD) {
5587 		if (rdev->has_uvd) {
5588 			si_enable_uvd_mgcg(rdev, enable);
5589 		}
5590 	}
5591 
5592 	if (block & RADEON_CG_BLOCK_HDP) {
5593 		si_enable_hdp_mgcg(rdev, enable);
5594 		si_enable_hdp_ls(rdev, enable);
5595 	}
5596 }
5597 
5598 static void si_init_cg(struct radeon_device *rdev)
5599 {
5600 	si_update_cg(rdev, (RADEON_CG_BLOCK_GFX |
5601 			    RADEON_CG_BLOCK_MC |
5602 			    RADEON_CG_BLOCK_SDMA |
5603 			    RADEON_CG_BLOCK_BIF |
5604 			    RADEON_CG_BLOCK_HDP), true);
5605 	if (rdev->has_uvd) {
5606 		si_update_cg(rdev, RADEON_CG_BLOCK_UVD, true);
5607 		si_init_uvd_internal_cg(rdev);
5608 	}
5609 }
5610 
5611 static void si_fini_cg(struct radeon_device *rdev)
5612 {
5613 	if (rdev->has_uvd) {
5614 		si_update_cg(rdev, RADEON_CG_BLOCK_UVD, false);
5615 	}
5616 	si_update_cg(rdev, (RADEON_CG_BLOCK_GFX |
5617 			    RADEON_CG_BLOCK_MC |
5618 			    RADEON_CG_BLOCK_SDMA |
5619 			    RADEON_CG_BLOCK_BIF |
5620 			    RADEON_CG_BLOCK_HDP), false);
5621 }
5622 
5623 u32 si_get_csb_size(struct radeon_device *rdev)
5624 {
5625 	u32 count = 0;
5626 	const struct cs_section_def *sect = NULL;
5627 	const struct cs_extent_def *ext = NULL;
5628 
5629 	if (rdev->rlc.cs_data == NULL)
5630 		return 0;
5631 
5632 	/* begin clear state */
5633 	count += 2;
5634 	/* context control state */
5635 	count += 3;
5636 
5637 	for (sect = rdev->rlc.cs_data; sect->section != NULL; ++sect) {
5638 		for (ext = sect->section; ext->extent != NULL; ++ext) {
5639 			if (sect->id == SECT_CONTEXT)
5640 				count += 2 + ext->reg_count;
5641 			else
5642 				return 0;
5643 		}
5644 	}
5645 	/* pa_sc_raster_config */
5646 	count += 3;
5647 	/* end clear state */
5648 	count += 2;
5649 	/* clear state */
5650 	count += 2;
5651 
5652 	return count;
5653 }
5654 
5655 void si_get_csb_buffer(struct radeon_device *rdev, volatile u32 *buffer)
5656 {
5657 	u32 count = 0, i;
5658 	const struct cs_section_def *sect = NULL;
5659 	const struct cs_extent_def *ext = NULL;
5660 
5661 	if (rdev->rlc.cs_data == NULL)
5662 		return;
5663 	if (buffer == NULL)
5664 		return;
5665 
5666 	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_PREAMBLE_CNTL, 0));
5667 	buffer[count++] = cpu_to_le32(PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
5668 
5669 	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_CONTEXT_CONTROL, 1));
5670 	buffer[count++] = cpu_to_le32(0x80000000);
5671 	buffer[count++] = cpu_to_le32(0x80000000);
5672 
5673 	for (sect = rdev->rlc.cs_data; sect->section != NULL; ++sect) {
5674 		for (ext = sect->section; ext->extent != NULL; ++ext) {
5675 			if (sect->id == SECT_CONTEXT) {
5676 				buffer[count++] =
5677 					cpu_to_le32(PACKET3(PACKET3_SET_CONTEXT_REG, ext->reg_count));
5678 				buffer[count++] = cpu_to_le32(ext->reg_index - 0xa000);
5679 				for (i = 0; i < ext->reg_count; i++)
5680 					buffer[count++] = cpu_to_le32(ext->extent[i]);
5681 			} else {
5682 				return;
5683 			}
5684 		}
5685 	}
5686 
5687 	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_SET_CONTEXT_REG, 1));
5688 	buffer[count++] = cpu_to_le32(PA_SC_RASTER_CONFIG - PACKET3_SET_CONTEXT_REG_START);
5689 	switch (rdev->family) {
5690 	case CHIP_TAHITI:
5691 	case CHIP_PITCAIRN:
5692 		buffer[count++] = cpu_to_le32(0x2a00126a);
5693 		break;
5694 	case CHIP_VERDE:
5695 		buffer[count++] = cpu_to_le32(0x0000124a);
5696 		break;
5697 	case CHIP_OLAND:
5698 		buffer[count++] = cpu_to_le32(0x00000082);
5699 		break;
5700 	case CHIP_HAINAN:
5701 		buffer[count++] = cpu_to_le32(0x00000000);
5702 		break;
5703 	default:
5704 		buffer[count++] = cpu_to_le32(0x00000000);
5705 		break;
5706 	}
5707 
5708 	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_PREAMBLE_CNTL, 0));
5709 	buffer[count++] = cpu_to_le32(PACKET3_PREAMBLE_END_CLEAR_STATE);
5710 
5711 	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_CLEAR_STATE, 0));
5712 	buffer[count++] = cpu_to_le32(0);
5713 }
5714 
5715 static void si_init_pg(struct radeon_device *rdev)
5716 {
5717 	if (rdev->pg_flags) {
5718 		if (rdev->pg_flags & RADEON_PG_SUPPORT_SDMA) {
5719 			si_init_dma_pg(rdev);
5720 		}
5721 		si_init_ao_cu_mask(rdev);
5722 		if (rdev->pg_flags & RADEON_PG_SUPPORT_GFX_PG) {
5723 			si_init_gfx_cgpg(rdev);
5724 		} else {
5725 			WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
5726 			WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
5727 		}
5728 		si_enable_dma_pg(rdev, true);
5729 		si_enable_gfx_cgpg(rdev, true);
5730 	} else {
5731 		WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
5732 		WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
5733 	}
5734 }
5735 
5736 static void si_fini_pg(struct radeon_device *rdev)
5737 {
5738 	if (rdev->pg_flags) {
5739 		si_enable_dma_pg(rdev, false);
5740 		si_enable_gfx_cgpg(rdev, false);
5741 	}
5742 }
5743 
5744 /*
5745  * RLC
5746  */
5747 void si_rlc_reset(struct radeon_device *rdev)
5748 {
5749 	u32 tmp = RREG32(GRBM_SOFT_RESET);
5750 
5751 	tmp |= SOFT_RESET_RLC;
5752 	WREG32(GRBM_SOFT_RESET, tmp);
5753 	udelay(50);
5754 	tmp &= ~SOFT_RESET_RLC;
5755 	WREG32(GRBM_SOFT_RESET, tmp);
5756 	udelay(50);
5757 }
5758 
5759 static void si_rlc_stop(struct radeon_device *rdev)
5760 {
5761 	WREG32(RLC_CNTL, 0);
5762 
5763 	si_enable_gui_idle_interrupt(rdev, false);
5764 
5765 	si_wait_for_rlc_serdes(rdev);
5766 }
5767 
5768 static void si_rlc_start(struct radeon_device *rdev)
5769 {
5770 	WREG32(RLC_CNTL, RLC_ENABLE);
5771 
5772 	si_enable_gui_idle_interrupt(rdev, true);
5773 
5774 	udelay(50);
5775 }
5776 
5777 static bool si_lbpw_supported(struct radeon_device *rdev)
5778 {
5779 	u32 tmp;
5780 
5781 	/* Enable LBPW only for DDR3 */
5782 	tmp = RREG32(MC_SEQ_MISC0);
5783 	if ((tmp & 0xF0000000) == 0xB0000000)
5784 		return true;
5785 	return false;
5786 }
5787 
5788 static void si_enable_lbpw(struct radeon_device *rdev, bool enable)
5789 {
5790 	u32 tmp;
5791 
5792 	tmp = RREG32(RLC_LB_CNTL);
5793 	if (enable)
5794 		tmp |= LOAD_BALANCE_ENABLE;
5795 	else
5796 		tmp &= ~LOAD_BALANCE_ENABLE;
5797 	WREG32(RLC_LB_CNTL, tmp);
5798 
5799 	if (!enable) {
5800 		si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
5801 		WREG32(SPI_LB_CU_MASK, 0x00ff);
5802 	}
5803 }
5804 
5805 static int si_rlc_resume(struct radeon_device *rdev)
5806 {
5807 	u32 i;
5808 
5809 	if (!rdev->rlc_fw)
5810 		return -EINVAL;
5811 
5812 	si_rlc_stop(rdev);
5813 
5814 	si_rlc_reset(rdev);
5815 
5816 	si_init_pg(rdev);
5817 
5818 	si_init_cg(rdev);
5819 
5820 	WREG32(RLC_RL_BASE, 0);
5821 	WREG32(RLC_RL_SIZE, 0);
5822 	WREG32(RLC_LB_CNTL, 0);
5823 	WREG32(RLC_LB_CNTR_MAX, 0xffffffff);
5824 	WREG32(RLC_LB_CNTR_INIT, 0);
5825 	WREG32(RLC_LB_INIT_CU_MASK, 0xffffffff);
5826 
5827 	WREG32(RLC_MC_CNTL, 0);
5828 	WREG32(RLC_UCODE_CNTL, 0);
5829 
5830 	if (rdev->new_fw) {
5831 		const struct rlc_firmware_header_v1_0 *hdr =
5832 			(const struct rlc_firmware_header_v1_0 *)rdev->rlc_fw->data;
5833 		u32 fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
5834 		const __le32 *fw_data = (const __le32 *)
5835 			(rdev->rlc_fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
5836 
5837 		radeon_ucode_print_rlc_hdr(&hdr->header);
5838 
5839 		for (i = 0; i < fw_size; i++) {
5840 			WREG32(RLC_UCODE_ADDR, i);
5841 			WREG32(RLC_UCODE_DATA, le32_to_cpup(fw_data++));
5842 		}
5843 	} else {
5844 		const __be32 *fw_data =
5845 			(const __be32 *)rdev->rlc_fw->data;
5846 		for (i = 0; i < SI_RLC_UCODE_SIZE; i++) {
5847 			WREG32(RLC_UCODE_ADDR, i);
5848 			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
5849 		}
5850 	}
5851 	WREG32(RLC_UCODE_ADDR, 0);
5852 
5853 	si_enable_lbpw(rdev, si_lbpw_supported(rdev));
5854 
5855 	si_rlc_start(rdev);
5856 
5857 	return 0;
5858 }
5859 
5860 static void si_enable_interrupts(struct radeon_device *rdev)
5861 {
5862 	u32 ih_cntl = RREG32(IH_CNTL);
5863 	u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
5864 
5865 	ih_cntl |= ENABLE_INTR;
5866 	ih_rb_cntl |= IH_RB_ENABLE;
5867 	WREG32(IH_CNTL, ih_cntl);
5868 	WREG32(IH_RB_CNTL, ih_rb_cntl);
5869 	rdev->ih.enabled = true;
5870 }
5871 
5872 static void si_disable_interrupts(struct radeon_device *rdev)
5873 {
5874 	u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
5875 	u32 ih_cntl = RREG32(IH_CNTL);
5876 
5877 	ih_rb_cntl &= ~IH_RB_ENABLE;
5878 	ih_cntl &= ~ENABLE_INTR;
5879 	WREG32(IH_RB_CNTL, ih_rb_cntl);
5880 	WREG32(IH_CNTL, ih_cntl);
5881 	/* set rptr, wptr to 0 */
5882 	WREG32(IH_RB_RPTR, 0);
5883 	WREG32(IH_RB_WPTR, 0);
5884 	rdev->ih.enabled = false;
5885 	rdev->ih.rptr = 0;
5886 }
5887 
5888 static void si_disable_interrupt_state(struct radeon_device *rdev)
5889 {
5890 	u32 tmp;
5891 
5892 	tmp = RREG32(CP_INT_CNTL_RING0) &
5893 		(CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
5894 	WREG32(CP_INT_CNTL_RING0, tmp);
5895 	WREG32(CP_INT_CNTL_RING1, 0);
5896 	WREG32(CP_INT_CNTL_RING2, 0);
5897 	tmp = RREG32(DMA_CNTL + DMA0_REGISTER_OFFSET) & ~TRAP_ENABLE;
5898 	WREG32(DMA_CNTL + DMA0_REGISTER_OFFSET, tmp);
5899 	tmp = RREG32(DMA_CNTL + DMA1_REGISTER_OFFSET) & ~TRAP_ENABLE;
5900 	WREG32(DMA_CNTL + DMA1_REGISTER_OFFSET, tmp);
5901 	WREG32(GRBM_INT_CNTL, 0);
5902 	WREG32(SRBM_INT_CNTL, 0);
5903 	if (rdev->num_crtc >= 2) {
5904 		WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
5905 		WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
5906 	}
5907 	if (rdev->num_crtc >= 4) {
5908 		WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
5909 		WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
5910 	}
5911 	if (rdev->num_crtc >= 6) {
5912 		WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
5913 		WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
5914 	}
5915 
5916 	if (rdev->num_crtc >= 2) {
5917 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
5918 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
5919 	}
5920 	if (rdev->num_crtc >= 4) {
5921 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
5922 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
5923 	}
5924 	if (rdev->num_crtc >= 6) {
5925 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
5926 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
5927 	}
5928 
5929 	if (!ASIC_IS_NODCE(rdev)) {
5930 		WREG32(DAC_AUTODETECT_INT_CONTROL, 0);
5931 
5932 		tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5933 		WREG32(DC_HPD1_INT_CONTROL, tmp);
5934 		tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5935 		WREG32(DC_HPD2_INT_CONTROL, tmp);
5936 		tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5937 		WREG32(DC_HPD3_INT_CONTROL, tmp);
5938 		tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5939 		WREG32(DC_HPD4_INT_CONTROL, tmp);
5940 		tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5941 		WREG32(DC_HPD5_INT_CONTROL, tmp);
5942 		tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5943 		WREG32(DC_HPD6_INT_CONTROL, tmp);
5944 	}
5945 }
5946 
5947 static int si_irq_init(struct radeon_device *rdev)
5948 {
5949 	int ret = 0;
5950 	int rb_bufsz;
5951 	u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
5952 
5953 	/* allocate ring */
5954 	ret = r600_ih_ring_alloc(rdev);
5955 	if (ret)
5956 		return ret;
5957 
5958 	/* disable irqs */
5959 	si_disable_interrupts(rdev);
5960 
5961 	/* init rlc */
5962 	ret = si_rlc_resume(rdev);
5963 	if (ret) {
5964 		r600_ih_ring_fini(rdev);
5965 		return ret;
5966 	}
5967 
5968 	/* setup interrupt control */
5969 	/* set dummy read address to ring address */
5970 	WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8);
5971 	interrupt_cntl = RREG32(INTERRUPT_CNTL);
5972 	/* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi
5973 	 * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN
5974 	 */
5975 	interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE;
5976 	/* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */
5977 	interrupt_cntl &= ~IH_REQ_NONSNOOP_EN;
5978 	WREG32(INTERRUPT_CNTL, interrupt_cntl);
5979 
5980 	WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8);
5981 	rb_bufsz = order_base_2(rdev->ih.ring_size / 4);
5982 
5983 	ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE |
5984 		      IH_WPTR_OVERFLOW_CLEAR |
5985 		      (rb_bufsz << 1));
5986 
5987 	if (rdev->wb.enabled)
5988 		ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;
5989 
5990 	/* set the writeback address whether it's enabled or not */
5991 	WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC);
5992 	WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF);
5993 
5994 	WREG32(IH_RB_CNTL, ih_rb_cntl);
5995 
5996 	/* set rptr, wptr to 0 */
5997 	WREG32(IH_RB_RPTR, 0);
5998 	WREG32(IH_RB_WPTR, 0);
5999 
6000 	/* Default settings for IH_CNTL (disabled at first) */
6001 	ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10) | MC_VMID(0);
6002 	/* RPTR_REARM only works if msi's are enabled */
6003 	if (rdev->msi_enabled)
6004 		ih_cntl |= RPTR_REARM;
6005 	WREG32(IH_CNTL, ih_cntl);
6006 
6007 	/* force the active interrupt state to all disabled */
6008 	si_disable_interrupt_state(rdev);
6009 
6010 	pci_set_master(rdev->pdev);
6011 
6012 	/* enable irqs */
6013 	si_enable_interrupts(rdev);
6014 
6015 	return ret;
6016 }
6017 
6018 int si_irq_set(struct radeon_device *rdev)
6019 {
6020 	u32 cp_int_cntl;
6021 	u32 cp_int_cntl1 = 0, cp_int_cntl2 = 0;
6022 	u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
6023 	u32 hpd1 = 0, hpd2 = 0, hpd3 = 0, hpd4 = 0, hpd5 = 0, hpd6 = 0;
6024 	u32 grbm_int_cntl = 0;
6025 	u32 dma_cntl, dma_cntl1;
6026 	u32 thermal_int = 0;
6027 
6028 	if (!rdev->irq.installed) {
6029 		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
6030 		return -EINVAL;
6031 	}
6032 	/* don't enable anything if the ih is disabled */
6033 	if (!rdev->ih.enabled) {
6034 		si_disable_interrupts(rdev);
6035 		/* force the active interrupt state to all disabled */
6036 		si_disable_interrupt_state(rdev);
6037 		return 0;
6038 	}
6039 
6040 	cp_int_cntl = RREG32(CP_INT_CNTL_RING0) &
6041 		(CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
6042 
6043 	if (!ASIC_IS_NODCE(rdev)) {
6044 		hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~(DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN);
6045 		hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~(DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN);
6046 		hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~(DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN);
6047 		hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~(DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN);
6048 		hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~(DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN);
6049 		hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~(DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN);
6050 	}
6051 
6052 	dma_cntl = RREG32(DMA_CNTL + DMA0_REGISTER_OFFSET) & ~TRAP_ENABLE;
6053 	dma_cntl1 = RREG32(DMA_CNTL + DMA1_REGISTER_OFFSET) & ~TRAP_ENABLE;
6054 
6055 	thermal_int = RREG32(CG_THERMAL_INT) &
6056 		~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
6057 
6058 	/* enable CP interrupts on all rings */
6059 	if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
6060 		DRM_DEBUG("si_irq_set: sw int gfx\n");
6061 		cp_int_cntl |= TIME_STAMP_INT_ENABLE;
6062 	}
6063 	if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP1_INDEX])) {
6064 		DRM_DEBUG("si_irq_set: sw int cp1\n");
6065 		cp_int_cntl1 |= TIME_STAMP_INT_ENABLE;
6066 	}
6067 	if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP2_INDEX])) {
6068 		DRM_DEBUG("si_irq_set: sw int cp2\n");
6069 		cp_int_cntl2 |= TIME_STAMP_INT_ENABLE;
6070 	}
6071 	if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
6072 		DRM_DEBUG("si_irq_set: sw int dma\n");
6073 		dma_cntl |= TRAP_ENABLE;
6074 	}
6075 
6076 	if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_DMA1_INDEX])) {
6077 		DRM_DEBUG("si_irq_set: sw int dma1\n");
6078 		dma_cntl1 |= TRAP_ENABLE;
6079 	}
6080 	if (rdev->irq.crtc_vblank_int[0] ||
6081 	    atomic_read(&rdev->irq.pflip[0])) {
6082 		DRM_DEBUG("si_irq_set: vblank 0\n");
6083 		crtc1 |= VBLANK_INT_MASK;
6084 	}
6085 	if (rdev->irq.crtc_vblank_int[1] ||
6086 	    atomic_read(&rdev->irq.pflip[1])) {
6087 		DRM_DEBUG("si_irq_set: vblank 1\n");
6088 		crtc2 |= VBLANK_INT_MASK;
6089 	}
6090 	if (rdev->irq.crtc_vblank_int[2] ||
6091 	    atomic_read(&rdev->irq.pflip[2])) {
6092 		DRM_DEBUG("si_irq_set: vblank 2\n");
6093 		crtc3 |= VBLANK_INT_MASK;
6094 	}
6095 	if (rdev->irq.crtc_vblank_int[3] ||
6096 	    atomic_read(&rdev->irq.pflip[3])) {
6097 		DRM_DEBUG("si_irq_set: vblank 3\n");
6098 		crtc4 |= VBLANK_INT_MASK;
6099 	}
6100 	if (rdev->irq.crtc_vblank_int[4] ||
6101 	    atomic_read(&rdev->irq.pflip[4])) {
6102 		DRM_DEBUG("si_irq_set: vblank 4\n");
6103 		crtc5 |= VBLANK_INT_MASK;
6104 	}
6105 	if (rdev->irq.crtc_vblank_int[5] ||
6106 	    atomic_read(&rdev->irq.pflip[5])) {
6107 		DRM_DEBUG("si_irq_set: vblank 5\n");
6108 		crtc6 |= VBLANK_INT_MASK;
6109 	}
6110 	if (rdev->irq.hpd[0]) {
6111 		DRM_DEBUG("si_irq_set: hpd 1\n");
6112 		hpd1 |= DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN;
6113 	}
6114 	if (rdev->irq.hpd[1]) {
6115 		DRM_DEBUG("si_irq_set: hpd 2\n");
6116 		hpd2 |= DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN;
6117 	}
6118 	if (rdev->irq.hpd[2]) {
6119 		DRM_DEBUG("si_irq_set: hpd 3\n");
6120 		hpd3 |= DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN;
6121 	}
6122 	if (rdev->irq.hpd[3]) {
6123 		DRM_DEBUG("si_irq_set: hpd 4\n");
6124 		hpd4 |= DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN;
6125 	}
6126 	if (rdev->irq.hpd[4]) {
6127 		DRM_DEBUG("si_irq_set: hpd 5\n");
6128 		hpd5 |= DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN;
6129 	}
6130 	if (rdev->irq.hpd[5]) {
6131 		DRM_DEBUG("si_irq_set: hpd 6\n");
6132 		hpd6 |= DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN;
6133 	}
6134 
6135 	WREG32(CP_INT_CNTL_RING0, cp_int_cntl);
6136 	WREG32(CP_INT_CNTL_RING1, cp_int_cntl1);
6137 	WREG32(CP_INT_CNTL_RING2, cp_int_cntl2);
6138 
6139 	WREG32(DMA_CNTL + DMA0_REGISTER_OFFSET, dma_cntl);
6140 	WREG32(DMA_CNTL + DMA1_REGISTER_OFFSET, dma_cntl1);
6141 
6142 	WREG32(GRBM_INT_CNTL, grbm_int_cntl);
6143 
6144 	if (rdev->irq.dpm_thermal) {
6145 		DRM_DEBUG("dpm thermal\n");
6146 		thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW;
6147 	}
6148 
6149 	if (rdev->num_crtc >= 2) {
6150 		WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
6151 		WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
6152 	}
6153 	if (rdev->num_crtc >= 4) {
6154 		WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3);
6155 		WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4);
6156 	}
6157 	if (rdev->num_crtc >= 6) {
6158 		WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5);
6159 		WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6);
6160 	}
6161 
6162 	if (rdev->num_crtc >= 2) {
6163 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET,
6164 		       GRPH_PFLIP_INT_MASK);
6165 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET,
6166 		       GRPH_PFLIP_INT_MASK);
6167 	}
6168 	if (rdev->num_crtc >= 4) {
6169 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET,
6170 		       GRPH_PFLIP_INT_MASK);
6171 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET,
6172 		       GRPH_PFLIP_INT_MASK);
6173 	}
6174 	if (rdev->num_crtc >= 6) {
6175 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET,
6176 		       GRPH_PFLIP_INT_MASK);
6177 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET,
6178 		       GRPH_PFLIP_INT_MASK);
6179 	}
6180 
6181 	if (!ASIC_IS_NODCE(rdev)) {
6182 		WREG32(DC_HPD1_INT_CONTROL, hpd1);
6183 		WREG32(DC_HPD2_INT_CONTROL, hpd2);
6184 		WREG32(DC_HPD3_INT_CONTROL, hpd3);
6185 		WREG32(DC_HPD4_INT_CONTROL, hpd4);
6186 		WREG32(DC_HPD5_INT_CONTROL, hpd5);
6187 		WREG32(DC_HPD6_INT_CONTROL, hpd6);
6188 	}
6189 
6190 	WREG32(CG_THERMAL_INT, thermal_int);
6191 
6192 	/* posting read */
6193 	RREG32(SRBM_STATUS);
6194 
6195 	return 0;
6196 }
6197 
6198 static inline void si_irq_ack(struct radeon_device *rdev)
6199 {
6200 	u32 tmp;
6201 
6202 	if (ASIC_IS_NODCE(rdev))
6203 		return;
6204 
6205 	rdev->irq.stat_regs.evergreen.disp_int = RREG32(DISP_INTERRUPT_STATUS);
6206 	rdev->irq.stat_regs.evergreen.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
6207 	rdev->irq.stat_regs.evergreen.disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2);
6208 	rdev->irq.stat_regs.evergreen.disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3);
6209 	rdev->irq.stat_regs.evergreen.disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4);
6210 	rdev->irq.stat_regs.evergreen.disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5);
6211 	rdev->irq.stat_regs.evergreen.d1grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET);
6212 	rdev->irq.stat_regs.evergreen.d2grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET);
6213 	if (rdev->num_crtc >= 4) {
6214 		rdev->irq.stat_regs.evergreen.d3grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET);
6215 		rdev->irq.stat_regs.evergreen.d4grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET);
6216 	}
6217 	if (rdev->num_crtc >= 6) {
6218 		rdev->irq.stat_regs.evergreen.d5grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET);
6219 		rdev->irq.stat_regs.evergreen.d6grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET);
6220 	}
6221 
6222 	if (rdev->irq.stat_regs.evergreen.d1grph_int & GRPH_PFLIP_INT_OCCURRED)
6223 		WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6224 	if (rdev->irq.stat_regs.evergreen.d2grph_int & GRPH_PFLIP_INT_OCCURRED)
6225 		WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6226 	if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT)
6227 		WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK);
6228 	if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT)
6229 		WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK);
6230 	if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT)
6231 		WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK);
6232 	if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT)
6233 		WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK);
6234 
6235 	if (rdev->num_crtc >= 4) {
6236 		if (rdev->irq.stat_regs.evergreen.d3grph_int & GRPH_PFLIP_INT_OCCURRED)
6237 			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6238 		if (rdev->irq.stat_regs.evergreen.d4grph_int & GRPH_PFLIP_INT_OCCURRED)
6239 			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6240 		if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)
6241 			WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK);
6242 		if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT)
6243 			WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK);
6244 		if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)
6245 			WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK);
6246 		if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT)
6247 			WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK);
6248 	}
6249 
6250 	if (rdev->num_crtc >= 6) {
6251 		if (rdev->irq.stat_regs.evergreen.d5grph_int & GRPH_PFLIP_INT_OCCURRED)
6252 			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6253 		if (rdev->irq.stat_regs.evergreen.d6grph_int & GRPH_PFLIP_INT_OCCURRED)
6254 			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6255 		if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)
6256 			WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK);
6257 		if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT)
6258 			WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK);
6259 		if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)
6260 			WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK);
6261 		if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT)
6262 			WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK);
6263 	}
6264 
6265 	if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
6266 		tmp = RREG32(DC_HPD1_INT_CONTROL);
6267 		tmp |= DC_HPDx_INT_ACK;
6268 		WREG32(DC_HPD1_INT_CONTROL, tmp);
6269 	}
6270 	if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
6271 		tmp = RREG32(DC_HPD2_INT_CONTROL);
6272 		tmp |= DC_HPDx_INT_ACK;
6273 		WREG32(DC_HPD2_INT_CONTROL, tmp);
6274 	}
6275 	if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
6276 		tmp = RREG32(DC_HPD3_INT_CONTROL);
6277 		tmp |= DC_HPDx_INT_ACK;
6278 		WREG32(DC_HPD3_INT_CONTROL, tmp);
6279 	}
6280 	if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
6281 		tmp = RREG32(DC_HPD4_INT_CONTROL);
6282 		tmp |= DC_HPDx_INT_ACK;
6283 		WREG32(DC_HPD4_INT_CONTROL, tmp);
6284 	}
6285 	if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
6286 		tmp = RREG32(DC_HPD5_INT_CONTROL);
6287 		tmp |= DC_HPDx_INT_ACK;
6288 		WREG32(DC_HPD5_INT_CONTROL, tmp);
6289 	}
6290 	if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
6291 		tmp = RREG32(DC_HPD5_INT_CONTROL);
6292 		tmp |= DC_HPDx_INT_ACK;
6293 		WREG32(DC_HPD6_INT_CONTROL, tmp);
6294 	}
6295 
6296 	if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_RX_INTERRUPT) {
6297 		tmp = RREG32(DC_HPD1_INT_CONTROL);
6298 		tmp |= DC_HPDx_RX_INT_ACK;
6299 		WREG32(DC_HPD1_INT_CONTROL, tmp);
6300 	}
6301 	if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_RX_INTERRUPT) {
6302 		tmp = RREG32(DC_HPD2_INT_CONTROL);
6303 		tmp |= DC_HPDx_RX_INT_ACK;
6304 		WREG32(DC_HPD2_INT_CONTROL, tmp);
6305 	}
6306 	if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_RX_INTERRUPT) {
6307 		tmp = RREG32(DC_HPD3_INT_CONTROL);
6308 		tmp |= DC_HPDx_RX_INT_ACK;
6309 		WREG32(DC_HPD3_INT_CONTROL, tmp);
6310 	}
6311 	if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_RX_INTERRUPT) {
6312 		tmp = RREG32(DC_HPD4_INT_CONTROL);
6313 		tmp |= DC_HPDx_RX_INT_ACK;
6314 		WREG32(DC_HPD4_INT_CONTROL, tmp);
6315 	}
6316 	if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_RX_INTERRUPT) {
6317 		tmp = RREG32(DC_HPD5_INT_CONTROL);
6318 		tmp |= DC_HPDx_RX_INT_ACK;
6319 		WREG32(DC_HPD5_INT_CONTROL, tmp);
6320 	}
6321 	if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_RX_INTERRUPT) {
6322 		tmp = RREG32(DC_HPD5_INT_CONTROL);
6323 		tmp |= DC_HPDx_RX_INT_ACK;
6324 		WREG32(DC_HPD6_INT_CONTROL, tmp);
6325 	}
6326 }
6327 
6328 static void si_irq_disable(struct radeon_device *rdev)
6329 {
6330 	si_disable_interrupts(rdev);
6331 	/* Wait and acknowledge irq */
6332 	mdelay(1);
6333 	si_irq_ack(rdev);
6334 	si_disable_interrupt_state(rdev);
6335 }
6336 
6337 static void si_irq_suspend(struct radeon_device *rdev)
6338 {
6339 	si_irq_disable(rdev);
6340 	si_rlc_stop(rdev);
6341 }
6342 
6343 static void si_irq_fini(struct radeon_device *rdev)
6344 {
6345 	si_irq_suspend(rdev);
6346 	r600_ih_ring_fini(rdev);
6347 }
6348 
6349 static inline u32 si_get_ih_wptr(struct radeon_device *rdev)
6350 {
6351 	u32 wptr, tmp;
6352 
6353 	if (rdev->wb.enabled)
6354 		wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
6355 	else
6356 		wptr = RREG32(IH_RB_WPTR);
6357 
6358 	if (wptr & RB_OVERFLOW) {
6359 		wptr &= ~RB_OVERFLOW;
6360 		/* When a ring buffer overflow happen start parsing interrupt
6361 		 * from the last not overwritten vector (wptr + 16). Hopefully
6362 		 * this should allow us to catchup.
6363 		 */
6364 		dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
6365 			 wptr, rdev->ih.rptr, (wptr + 16) & rdev->ih.ptr_mask);
6366 		rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
6367 		tmp = RREG32(IH_RB_CNTL);
6368 		tmp |= IH_WPTR_OVERFLOW_CLEAR;
6369 		WREG32(IH_RB_CNTL, tmp);
6370 	}
6371 	return (wptr & rdev->ih.ptr_mask);
6372 }
6373 
6374 /*        SI IV Ring
6375  * Each IV ring entry is 128 bits:
6376  * [7:0]    - interrupt source id
6377  * [31:8]   - reserved
6378  * [59:32]  - interrupt source data
6379  * [63:60]  - reserved
6380  * [71:64]  - RINGID
6381  * [79:72]  - VMID
6382  * [127:80] - reserved
6383  */
6384 int si_irq_process(struct radeon_device *rdev)
6385 {
6386 	u32 wptr;
6387 	u32 rptr;
6388 	u32 src_id, src_data, ring_id;
6389 	u32 ring_index;
6390 	bool queue_hotplug = false;
6391 	bool queue_dp = false;
6392 	bool queue_thermal = false;
6393 	u32 status, addr;
6394 
6395 	if (!rdev->ih.enabled || rdev->shutdown)
6396 		return IRQ_NONE;
6397 
6398 	wptr = si_get_ih_wptr(rdev);
6399 
6400 restart_ih:
6401 	/* is somebody else already processing irqs? */
6402 	if (atomic_xchg(&rdev->ih.lock, 1))
6403 		return IRQ_NONE;
6404 
6405 	rptr = rdev->ih.rptr;
6406 	DRM_DEBUG("si_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
6407 
6408 	/* Order reading of wptr vs. reading of IH ring data */
6409 	rmb();
6410 
6411 	/* display interrupts */
6412 	si_irq_ack(rdev);
6413 
6414 	while (rptr != wptr) {
6415 		/* wptr/rptr are in bytes! */
6416 		ring_index = rptr / 4;
6417 		src_id =  le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
6418 		src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
6419 		ring_id = le32_to_cpu(rdev->ih.ring[ring_index + 2]) & 0xff;
6420 
6421 		switch (src_id) {
6422 		case 1: /* D1 vblank/vline */
6423 			switch (src_data) {
6424 			case 0: /* D1 vblank */
6425 				if (!(rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT))
6426 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6427 
6428 				if (rdev->irq.crtc_vblank_int[0]) {
6429 					drm_handle_vblank(rdev->ddev, 0);
6430 					rdev->pm.vblank_sync = true;
6431 					wake_up(&rdev->irq.vblank_queue);
6432 				}
6433 				if (atomic_read(&rdev->irq.pflip[0]))
6434 					radeon_crtc_handle_vblank(rdev, 0);
6435 				rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
6436 				DRM_DEBUG("IH: D1 vblank\n");
6437 
6438 				break;
6439 			case 1: /* D1 vline */
6440 				if (!(rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT))
6441 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6442 
6443 				rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VLINE_INTERRUPT;
6444 				DRM_DEBUG("IH: D1 vline\n");
6445 
6446 				break;
6447 			default:
6448 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6449 				break;
6450 			}
6451 			break;
6452 		case 2: /* D2 vblank/vline */
6453 			switch (src_data) {
6454 			case 0: /* D2 vblank */
6455 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT))
6456 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6457 
6458 				if (rdev->irq.crtc_vblank_int[1]) {
6459 					drm_handle_vblank(rdev->ddev, 1);
6460 					rdev->pm.vblank_sync = true;
6461 					wake_up(&rdev->irq.vblank_queue);
6462 				}
6463 				if (atomic_read(&rdev->irq.pflip[1]))
6464 					radeon_crtc_handle_vblank(rdev, 1);
6465 				rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
6466 				DRM_DEBUG("IH: D2 vblank\n");
6467 
6468 				break;
6469 			case 1: /* D2 vline */
6470 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT))
6471 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6472 
6473 				rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT;
6474 				DRM_DEBUG("IH: D2 vline\n");
6475 
6476 				break;
6477 			default:
6478 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6479 				break;
6480 			}
6481 			break;
6482 		case 3: /* D3 vblank/vline */
6483 			switch (src_data) {
6484 			case 0: /* D3 vblank */
6485 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT))
6486 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6487 
6488 				if (rdev->irq.crtc_vblank_int[2]) {
6489 					drm_handle_vblank(rdev->ddev, 2);
6490 					rdev->pm.vblank_sync = true;
6491 					wake_up(&rdev->irq.vblank_queue);
6492 				}
6493 				if (atomic_read(&rdev->irq.pflip[2]))
6494 					radeon_crtc_handle_vblank(rdev, 2);
6495 				rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
6496 				DRM_DEBUG("IH: D3 vblank\n");
6497 
6498 				break;
6499 			case 1: /* D3 vline */
6500 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT))
6501 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6502 
6503 				rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT;
6504 				DRM_DEBUG("IH: D3 vline\n");
6505 
6506 				break;
6507 			default:
6508 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6509 				break;
6510 			}
6511 			break;
6512 		case 4: /* D4 vblank/vline */
6513 			switch (src_data) {
6514 			case 0: /* D4 vblank */
6515 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT))
6516 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6517 
6518 				if (rdev->irq.crtc_vblank_int[3]) {
6519 					drm_handle_vblank(rdev->ddev, 3);
6520 					rdev->pm.vblank_sync = true;
6521 					wake_up(&rdev->irq.vblank_queue);
6522 				}
6523 				if (atomic_read(&rdev->irq.pflip[3]))
6524 					radeon_crtc_handle_vblank(rdev, 3);
6525 				rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
6526 				DRM_DEBUG("IH: D4 vblank\n");
6527 
6528 				break;
6529 			case 1: /* D4 vline */
6530 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT))
6531 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6532 
6533 				rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT;
6534 				DRM_DEBUG("IH: D4 vline\n");
6535 
6536 				break;
6537 			default:
6538 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6539 				break;
6540 			}
6541 			break;
6542 		case 5: /* D5 vblank/vline */
6543 			switch (src_data) {
6544 			case 0: /* D5 vblank */
6545 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT))
6546 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6547 
6548 				if (rdev->irq.crtc_vblank_int[4]) {
6549 					drm_handle_vblank(rdev->ddev, 4);
6550 					rdev->pm.vblank_sync = true;
6551 					wake_up(&rdev->irq.vblank_queue);
6552 				}
6553 				if (atomic_read(&rdev->irq.pflip[4]))
6554 					radeon_crtc_handle_vblank(rdev, 4);
6555 				rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
6556 				DRM_DEBUG("IH: D5 vblank\n");
6557 
6558 				break;
6559 			case 1: /* D5 vline */
6560 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT))
6561 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6562 
6563 				rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT;
6564 				DRM_DEBUG("IH: D5 vline\n");
6565 
6566 				break;
6567 			default:
6568 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6569 				break;
6570 			}
6571 			break;
6572 		case 6: /* D6 vblank/vline */
6573 			switch (src_data) {
6574 			case 0: /* D6 vblank */
6575 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT))
6576 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6577 
6578 				if (rdev->irq.crtc_vblank_int[5]) {
6579 					drm_handle_vblank(rdev->ddev, 5);
6580 					rdev->pm.vblank_sync = true;
6581 					wake_up(&rdev->irq.vblank_queue);
6582 				}
6583 				if (atomic_read(&rdev->irq.pflip[5]))
6584 					radeon_crtc_handle_vblank(rdev, 5);
6585 				rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
6586 				DRM_DEBUG("IH: D6 vblank\n");
6587 
6588 				break;
6589 			case 1: /* D6 vline */
6590 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT))
6591 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6592 
6593 				rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT;
6594 				DRM_DEBUG("IH: D6 vline\n");
6595 
6596 				break;
6597 			default:
6598 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6599 				break;
6600 			}
6601 			break;
6602 		case 8: /* D1 page flip */
6603 		case 10: /* D2 page flip */
6604 		case 12: /* D3 page flip */
6605 		case 14: /* D4 page flip */
6606 		case 16: /* D5 page flip */
6607 		case 18: /* D6 page flip */
6608 			DRM_DEBUG("IH: D%d flip\n", ((src_id - 8) >> 1) + 1);
6609 			if (radeon_use_pflipirq > 0)
6610 				radeon_crtc_handle_flip(rdev, (src_id - 8) >> 1);
6611 			break;
6612 		case 42: /* HPD hotplug */
6613 			switch (src_data) {
6614 			case 0:
6615 				if (!(rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT))
6616 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6617 
6618 				rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_INTERRUPT;
6619 				queue_hotplug = true;
6620 				DRM_DEBUG("IH: HPD1\n");
6621 
6622 				break;
6623 			case 1:
6624 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT))
6625 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6626 
6627 				rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_INTERRUPT;
6628 				queue_hotplug = true;
6629 				DRM_DEBUG("IH: HPD2\n");
6630 
6631 				break;
6632 			case 2:
6633 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT))
6634 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6635 
6636 				rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_INTERRUPT;
6637 				queue_hotplug = true;
6638 				DRM_DEBUG("IH: HPD3\n");
6639 
6640 				break;
6641 			case 3:
6642 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT))
6643 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6644 
6645 				rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_INTERRUPT;
6646 				queue_hotplug = true;
6647 				DRM_DEBUG("IH: HPD4\n");
6648 
6649 				break;
6650 			case 4:
6651 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT))
6652 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6653 
6654 				rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_INTERRUPT;
6655 				queue_hotplug = true;
6656 				DRM_DEBUG("IH: HPD5\n");
6657 
6658 				break;
6659 			case 5:
6660 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT))
6661 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6662 
6663 				rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_INTERRUPT;
6664 				queue_hotplug = true;
6665 				DRM_DEBUG("IH: HPD6\n");
6666 
6667 				break;
6668 			case 6:
6669 				if (!(rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_RX_INTERRUPT))
6670 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6671 
6672 				rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_RX_INTERRUPT;
6673 				queue_dp = true;
6674 				DRM_DEBUG("IH: HPD_RX 1\n");
6675 
6676 				break;
6677 			case 7:
6678 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_RX_INTERRUPT))
6679 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6680 
6681 				rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_RX_INTERRUPT;
6682 				queue_dp = true;
6683 				DRM_DEBUG("IH: HPD_RX 2\n");
6684 
6685 				break;
6686 			case 8:
6687 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_RX_INTERRUPT))
6688 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6689 
6690 				rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_RX_INTERRUPT;
6691 				queue_dp = true;
6692 				DRM_DEBUG("IH: HPD_RX 3\n");
6693 
6694 				break;
6695 			case 9:
6696 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_RX_INTERRUPT))
6697 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6698 
6699 				rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_RX_INTERRUPT;
6700 				queue_dp = true;
6701 				DRM_DEBUG("IH: HPD_RX 4\n");
6702 
6703 				break;
6704 			case 10:
6705 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_RX_INTERRUPT))
6706 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6707 
6708 				rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_RX_INTERRUPT;
6709 				queue_dp = true;
6710 				DRM_DEBUG("IH: HPD_RX 5\n");
6711 
6712 				break;
6713 			case 11:
6714 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_RX_INTERRUPT))
6715 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
6716 
6717 				rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_RX_INTERRUPT;
6718 				queue_dp = true;
6719 				DRM_DEBUG("IH: HPD_RX 6\n");
6720 
6721 				break;
6722 			default:
6723 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6724 				break;
6725 			}
6726 			break;
6727 		case 96:
6728 			DRM_ERROR("SRBM_READ_ERROR: 0x%x\n", RREG32(SRBM_READ_ERROR));
6729 			WREG32(SRBM_INT_ACK, 0x1);
6730 			break;
6731 		case 124: /* UVD */
6732 			DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
6733 			radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
6734 			break;
6735 		case 146:
6736 		case 147:
6737 			addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR);
6738 			status = RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS);
6739 			/* reset addr and status */
6740 			WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
6741 			if (addr == 0x0 && status == 0x0)
6742 				break;
6743 			dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data);
6744 			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
6745 				addr);
6746 			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
6747 				status);
6748 			si_vm_decode_fault(rdev, status, addr);
6749 			break;
6750 		case 176: /* RINGID0 CP_INT */
6751 			radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
6752 			break;
6753 		case 177: /* RINGID1 CP_INT */
6754 			radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
6755 			break;
6756 		case 178: /* RINGID2 CP_INT */
6757 			radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
6758 			break;
6759 		case 181: /* CP EOP event */
6760 			DRM_DEBUG("IH: CP EOP\n");
6761 			switch (ring_id) {
6762 			case 0:
6763 				radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
6764 				break;
6765 			case 1:
6766 				radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
6767 				break;
6768 			case 2:
6769 				radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
6770 				break;
6771 			}
6772 			break;
6773 		case 224: /* DMA trap event */
6774 			DRM_DEBUG("IH: DMA trap\n");
6775 			radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
6776 			break;
6777 		case 230: /* thermal low to high */
6778 			DRM_DEBUG("IH: thermal low to high\n");
6779 			rdev->pm.dpm.thermal.high_to_low = false;
6780 			queue_thermal = true;
6781 			break;
6782 		case 231: /* thermal high to low */
6783 			DRM_DEBUG("IH: thermal high to low\n");
6784 			rdev->pm.dpm.thermal.high_to_low = true;
6785 			queue_thermal = true;
6786 			break;
6787 		case 233: /* GUI IDLE */
6788 			DRM_DEBUG("IH: GUI idle\n");
6789 			break;
6790 		case 244: /* DMA trap event */
6791 			DRM_DEBUG("IH: DMA1 trap\n");
6792 			radeon_fence_process(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
6793 			break;
6794 		default:
6795 			DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6796 			break;
6797 		}
6798 
6799 		/* wptr/rptr are in bytes! */
6800 		rptr += 16;
6801 		rptr &= rdev->ih.ptr_mask;
6802 		WREG32(IH_RB_RPTR, rptr);
6803 	}
6804 	if (queue_dp)
6805 		schedule_work(&rdev->dp_work);
6806 	if (queue_hotplug)
6807 		schedule_delayed_work(&rdev->hotplug_work, 0);
6808 	if (queue_thermal && rdev->pm.dpm_enabled)
6809 		schedule_work(&rdev->pm.dpm.thermal.work);
6810 	rdev->ih.rptr = rptr;
6811 	atomic_set(&rdev->ih.lock, 0);
6812 
6813 	/* make sure wptr hasn't changed while processing */
6814 	wptr = si_get_ih_wptr(rdev);
6815 	if (wptr != rptr)
6816 		goto restart_ih;
6817 
6818 	return IRQ_HANDLED;
6819 }
6820 
6821 /*
6822  * startup/shutdown callbacks
6823  */
6824 static int si_startup(struct radeon_device *rdev)
6825 {
6826 	struct radeon_ring *ring;
6827 	int r;
6828 
6829 	/* enable pcie gen2/3 link */
6830 	si_pcie_gen3_enable(rdev);
6831 	/* enable aspm */
6832 	si_program_aspm(rdev);
6833 
6834 	/* scratch needs to be initialized before MC */
6835 	r = r600_vram_scratch_init(rdev);
6836 	if (r)
6837 		return r;
6838 
6839 	si_mc_program(rdev);
6840 
6841 	if (!rdev->pm.dpm_enabled) {
6842 		r = si_mc_load_microcode(rdev);
6843 		if (r) {
6844 			DRM_ERROR("Failed to load MC firmware!\n");
6845 			return r;
6846 		}
6847 	}
6848 
6849 	r = si_pcie_gart_enable(rdev);
6850 	if (r)
6851 		return r;
6852 	si_gpu_init(rdev);
6853 
6854 	/* allocate rlc buffers */
6855 	if (rdev->family == CHIP_VERDE) {
6856 		rdev->rlc.reg_list = verde_rlc_save_restore_register_list;
6857 		rdev->rlc.reg_list_size =
6858 			(u32)ARRAY_SIZE(verde_rlc_save_restore_register_list);
6859 	}
6860 	rdev->rlc.cs_data = si_cs_data;
6861 	r = sumo_rlc_init(rdev);
6862 	if (r) {
6863 		DRM_ERROR("Failed to init rlc BOs!\n");
6864 		return r;
6865 	}
6866 
6867 	/* allocate wb buffer */
6868 	r = radeon_wb_init(rdev);
6869 	if (r)
6870 		return r;
6871 
6872 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
6873 	if (r) {
6874 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
6875 		return r;
6876 	}
6877 
6878 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
6879 	if (r) {
6880 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
6881 		return r;
6882 	}
6883 
6884 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
6885 	if (r) {
6886 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
6887 		return r;
6888 	}
6889 
6890 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
6891 	if (r) {
6892 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
6893 		return r;
6894 	}
6895 
6896 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
6897 	if (r) {
6898 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
6899 		return r;
6900 	}
6901 
6902 	if (rdev->has_uvd) {
6903 		r = uvd_v2_2_resume(rdev);
6904 		if (!r) {
6905 			r = radeon_fence_driver_start_ring(rdev,
6906 							   R600_RING_TYPE_UVD_INDEX);
6907 			if (r)
6908 				dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
6909 		}
6910 		if (r)
6911 			rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
6912 	}
6913 
6914 	r = radeon_vce_resume(rdev);
6915 	if (!r) {
6916 		r = vce_v1_0_resume(rdev);
6917 		if (!r)
6918 			r = radeon_fence_driver_start_ring(rdev,
6919 							   TN_RING_TYPE_VCE1_INDEX);
6920 		if (!r)
6921 			r = radeon_fence_driver_start_ring(rdev,
6922 							   TN_RING_TYPE_VCE2_INDEX);
6923 	}
6924 	if (r) {
6925 		dev_err(rdev->dev, "VCE init error (%d).\n", r);
6926 		rdev->ring[TN_RING_TYPE_VCE1_INDEX].ring_size = 0;
6927 		rdev->ring[TN_RING_TYPE_VCE2_INDEX].ring_size = 0;
6928 	}
6929 
6930 	/* Enable IRQ */
6931 	if (!rdev->irq.installed) {
6932 		r = radeon_irq_kms_init(rdev);
6933 		if (r)
6934 			return r;
6935 	}
6936 
6937 	r = si_irq_init(rdev);
6938 	if (r) {
6939 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
6940 		radeon_irq_kms_fini(rdev);
6941 		return r;
6942 	}
6943 	si_irq_set(rdev);
6944 
6945 	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
6946 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
6947 			     RADEON_CP_PACKET2);
6948 	if (r)
6949 		return r;
6950 
6951 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
6952 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP1_RPTR_OFFSET,
6953 			     RADEON_CP_PACKET2);
6954 	if (r)
6955 		return r;
6956 
6957 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
6958 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP2_RPTR_OFFSET,
6959 			     RADEON_CP_PACKET2);
6960 	if (r)
6961 		return r;
6962 
6963 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
6964 	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
6965 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0));
6966 	if (r)
6967 		return r;
6968 
6969 	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
6970 	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
6971 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0));
6972 	if (r)
6973 		return r;
6974 
6975 	r = si_cp_load_microcode(rdev);
6976 	if (r)
6977 		return r;
6978 	r = si_cp_resume(rdev);
6979 	if (r)
6980 		return r;
6981 
6982 	r = cayman_dma_resume(rdev);
6983 	if (r)
6984 		return r;
6985 
6986 	if (rdev->has_uvd) {
6987 		ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
6988 		if (ring->ring_size) {
6989 			r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
6990 					     RADEON_CP_PACKET2);
6991 			if (!r)
6992 				r = uvd_v1_0_init(rdev);
6993 			if (r)
6994 				DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
6995 		}
6996 	}
6997 
6998 	r = -ENOENT;
6999 
7000 	ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
7001 	if (ring->ring_size)
7002 		r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
7003 				     VCE_CMD_NO_OP);
7004 
7005 	ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
7006 	if (ring->ring_size)
7007 		r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
7008 				     VCE_CMD_NO_OP);
7009 
7010 	if (!r)
7011 		r = vce_v1_0_init(rdev);
7012 	else if (r != -ENOENT)
7013 		DRM_ERROR("radeon: failed initializing VCE (%d).\n", r);
7014 
7015 	r = radeon_ib_pool_init(rdev);
7016 	if (r) {
7017 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
7018 		return r;
7019 	}
7020 
7021 	r = radeon_vm_manager_init(rdev);
7022 	if (r) {
7023 		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
7024 		return r;
7025 	}
7026 
7027 	r = radeon_audio_init(rdev);
7028 	if (r)
7029 		return r;
7030 
7031 	return 0;
7032 }
7033 
7034 int si_resume(struct radeon_device *rdev)
7035 {
7036 	int r;
7037 
7038 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
7039 	 * posting will perform necessary task to bring back GPU into good
7040 	 * shape.
7041 	 */
7042 	/* post card */
7043 	atom_asic_init(rdev->mode_info.atom_context);
7044 
7045 	/* init golden registers */
7046 	si_init_golden_registers(rdev);
7047 
7048 	if (rdev->pm.pm_method == PM_METHOD_DPM)
7049 		radeon_pm_resume(rdev);
7050 
7051 	rdev->accel_working = true;
7052 	r = si_startup(rdev);
7053 	if (r) {
7054 		DRM_ERROR("si startup failed on resume\n");
7055 		rdev->accel_working = false;
7056 		return r;
7057 	}
7058 
7059 	return r;
7060 
7061 }
7062 
7063 int si_suspend(struct radeon_device *rdev)
7064 {
7065 	radeon_pm_suspend(rdev);
7066 	radeon_audio_fini(rdev);
7067 	radeon_vm_manager_fini(rdev);
7068 	si_cp_enable(rdev, false);
7069 	cayman_dma_stop(rdev);
7070 	if (rdev->has_uvd) {
7071 		uvd_v1_0_fini(rdev);
7072 		radeon_uvd_suspend(rdev);
7073 		radeon_vce_suspend(rdev);
7074 	}
7075 	si_fini_pg(rdev);
7076 	si_fini_cg(rdev);
7077 	si_irq_suspend(rdev);
7078 	radeon_wb_disable(rdev);
7079 	si_pcie_gart_disable(rdev);
7080 	return 0;
7081 }
7082 
7083 /* Plan is to move initialization in that function and use
7084  * helper function so that radeon_device_init pretty much
7085  * do nothing more than calling asic specific function. This
7086  * should also allow to remove a bunch of callback function
7087  * like vram_info.
7088  */
7089 int si_init(struct radeon_device *rdev)
7090 {
7091 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
7092 	int r;
7093 
7094 	/* Read BIOS */
7095 	if (!radeon_get_bios(rdev)) {
7096 		if (ASIC_IS_AVIVO(rdev))
7097 			return -EINVAL;
7098 	}
7099 	/* Must be an ATOMBIOS */
7100 	if (!rdev->is_atom_bios) {
7101 		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
7102 		return -EINVAL;
7103 	}
7104 	r = radeon_atombios_init(rdev);
7105 	if (r)
7106 		return r;
7107 
7108 	/* Post card if necessary */
7109 	if (!radeon_card_posted(rdev)) {
7110 		if (!rdev->bios) {
7111 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
7112 			return -EINVAL;
7113 		}
7114 		DRM_INFO("GPU not posted. posting now...\n");
7115 		atom_asic_init(rdev->mode_info.atom_context);
7116 	}
7117 	/* init golden registers */
7118 	si_init_golden_registers(rdev);
7119 	/* Initialize scratch registers */
7120 	si_scratch_init(rdev);
7121 	/* Initialize surface registers */
7122 	radeon_surface_init(rdev);
7123 	/* Initialize clocks */
7124 	radeon_get_clock_info(rdev->ddev);
7125 
7126 	/* Fence driver */
7127 	r = radeon_fence_driver_init(rdev);
7128 	if (r)
7129 		return r;
7130 
7131 	/* initialize memory controller */
7132 	r = si_mc_init(rdev);
7133 	if (r)
7134 		return r;
7135 	/* Memory manager */
7136 	r = radeon_bo_init(rdev);
7137 	if (r)
7138 		return r;
7139 
7140 	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw ||
7141 	    !rdev->rlc_fw || !rdev->mc_fw) {
7142 		r = si_init_microcode(rdev);
7143 		if (r) {
7144 			DRM_ERROR("Failed to load firmware!\n");
7145 			return r;
7146 		}
7147 	}
7148 
7149 	/* Initialize power management */
7150 	radeon_pm_init(rdev);
7151 
7152 	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
7153 	ring->ring_obj = NULL;
7154 	r600_ring_init(rdev, ring, 1024 * 1024);
7155 
7156 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
7157 	ring->ring_obj = NULL;
7158 	r600_ring_init(rdev, ring, 1024 * 1024);
7159 
7160 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
7161 	ring->ring_obj = NULL;
7162 	r600_ring_init(rdev, ring, 1024 * 1024);
7163 
7164 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
7165 	ring->ring_obj = NULL;
7166 	r600_ring_init(rdev, ring, 64 * 1024);
7167 
7168 	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
7169 	ring->ring_obj = NULL;
7170 	r600_ring_init(rdev, ring, 64 * 1024);
7171 
7172 	if (rdev->has_uvd) {
7173 		r = radeon_uvd_init(rdev);
7174 		if (!r) {
7175 			ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
7176 			ring->ring_obj = NULL;
7177 			r600_ring_init(rdev, ring, 4096);
7178 		}
7179 	}
7180 
7181 	r = radeon_vce_init(rdev);
7182 	if (!r) {
7183 		ring = &rdev->ring[TN_RING_TYPE_VCE1_INDEX];
7184 		ring->ring_obj = NULL;
7185 		r600_ring_init(rdev, ring, 4096);
7186 
7187 		ring = &rdev->ring[TN_RING_TYPE_VCE2_INDEX];
7188 		ring->ring_obj = NULL;
7189 		r600_ring_init(rdev, ring, 4096);
7190 	}
7191 
7192 	rdev->ih.ring_obj = NULL;
7193 	r600_ih_ring_init(rdev, 64 * 1024);
7194 
7195 	r = r600_pcie_gart_init(rdev);
7196 	if (r)
7197 		return r;
7198 
7199 	rdev->accel_working = true;
7200 	r = si_startup(rdev);
7201 	if (r) {
7202 		dev_err(rdev->dev, "disabling GPU acceleration\n");
7203 		si_cp_fini(rdev);
7204 		cayman_dma_fini(rdev);
7205 		si_irq_fini(rdev);
7206 		sumo_rlc_fini(rdev);
7207 		radeon_wb_fini(rdev);
7208 		radeon_ib_pool_fini(rdev);
7209 		radeon_vm_manager_fini(rdev);
7210 		radeon_irq_kms_fini(rdev);
7211 		si_pcie_gart_fini(rdev);
7212 		rdev->accel_working = false;
7213 	}
7214 
7215 	/* Don't start up if the MC ucode is missing.
7216 	 * The default clocks and voltages before the MC ucode
7217 	 * is loaded are not suffient for advanced operations.
7218 	 */
7219 	if (!rdev->mc_fw) {
7220 		DRM_ERROR("radeon: MC ucode required for NI+.\n");
7221 		return -EINVAL;
7222 	}
7223 
7224 	return 0;
7225 }
7226 
7227 void si_fini(struct radeon_device *rdev)
7228 {
7229 	radeon_pm_fini(rdev);
7230 	si_cp_fini(rdev);
7231 	cayman_dma_fini(rdev);
7232 	si_fini_pg(rdev);
7233 	si_fini_cg(rdev);
7234 	si_irq_fini(rdev);
7235 	sumo_rlc_fini(rdev);
7236 	radeon_wb_fini(rdev);
7237 	radeon_vm_manager_fini(rdev);
7238 	radeon_ib_pool_fini(rdev);
7239 	radeon_irq_kms_fini(rdev);
7240 	if (rdev->has_uvd) {
7241 		uvd_v1_0_fini(rdev);
7242 		radeon_uvd_fini(rdev);
7243 		radeon_vce_fini(rdev);
7244 	}
7245 	si_pcie_gart_fini(rdev);
7246 	r600_vram_scratch_fini(rdev);
7247 	radeon_gem_fini(rdev);
7248 	radeon_fence_driver_fini(rdev);
7249 	radeon_bo_fini(rdev);
7250 	radeon_atombios_fini(rdev);
7251 	kfree(rdev->bios);
7252 	rdev->bios = NULL;
7253 }
7254 
7255 /**
7256  * si_get_gpu_clock_counter - return GPU clock counter snapshot
7257  *
7258  * @rdev: radeon_device pointer
7259  *
7260  * Fetches a GPU clock counter snapshot (SI).
7261  * Returns the 64 bit clock counter snapshot.
7262  */
7263 uint64_t si_get_gpu_clock_counter(struct radeon_device *rdev)
7264 {
7265 	uint64_t clock;
7266 
7267 	mutex_lock(&rdev->gpu_clock_mutex);
7268 	WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1);
7269 	clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) |
7270 		((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL);
7271 	mutex_unlock(&rdev->gpu_clock_mutex);
7272 	return clock;
7273 }
7274 
7275 int si_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
7276 {
7277 	unsigned fb_div = 0, vclk_div = 0, dclk_div = 0;
7278 	int r;
7279 
7280 	/* bypass vclk and dclk with bclk */
7281 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
7282 		VCLK_SRC_SEL(1) | DCLK_SRC_SEL(1),
7283 		~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
7284 
7285 	/* put PLL in bypass mode */
7286 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~UPLL_BYPASS_EN_MASK);
7287 
7288 	if (!vclk || !dclk) {
7289 		/* keep the Bypass mode */
7290 		return 0;
7291 	}
7292 
7293 	r = radeon_uvd_calc_upll_dividers(rdev, vclk, dclk, 125000, 250000,
7294 					  16384, 0x03FFFFFF, 0, 128, 5,
7295 					  &fb_div, &vclk_div, &dclk_div);
7296 	if (r)
7297 		return r;
7298 
7299 	/* set RESET_ANTI_MUX to 0 */
7300 	WREG32_P(CG_UPLL_FUNC_CNTL_5, 0, ~RESET_ANTI_MUX_MASK);
7301 
7302 	/* set VCO_MODE to 1 */
7303 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_VCO_MODE_MASK, ~UPLL_VCO_MODE_MASK);
7304 
7305 	/* disable sleep mode */
7306 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_SLEEP_MASK);
7307 
7308 	/* deassert UPLL_RESET */
7309 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
7310 
7311 	mdelay(1);
7312 
7313 	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
7314 	if (r)
7315 		return r;
7316 
7317 	/* assert UPLL_RESET again */
7318 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_RESET_MASK, ~UPLL_RESET_MASK);
7319 
7320 	/* disable spread spectrum. */
7321 	WREG32_P(CG_UPLL_SPREAD_SPECTRUM, 0, ~SSEN_MASK);
7322 
7323 	/* set feedback divider */
7324 	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(fb_div), ~UPLL_FB_DIV_MASK);
7325 
7326 	/* set ref divider to 0 */
7327 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_REF_DIV_MASK);
7328 
7329 	if (fb_div < 307200)
7330 		WREG32_P(CG_UPLL_FUNC_CNTL_4, 0, ~UPLL_SPARE_ISPARE9);
7331 	else
7332 		WREG32_P(CG_UPLL_FUNC_CNTL_4, UPLL_SPARE_ISPARE9, ~UPLL_SPARE_ISPARE9);
7333 
7334 	/* set PDIV_A and PDIV_B */
7335 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
7336 		UPLL_PDIV_A(vclk_div) | UPLL_PDIV_B(dclk_div),
7337 		~(UPLL_PDIV_A_MASK | UPLL_PDIV_B_MASK));
7338 
7339 	/* give the PLL some time to settle */
7340 	mdelay(15);
7341 
7342 	/* deassert PLL_RESET */
7343 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
7344 
7345 	mdelay(15);
7346 
7347 	/* switch from bypass mode to normal mode */
7348 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_BYPASS_EN_MASK);
7349 
7350 	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
7351 	if (r)
7352 		return r;
7353 
7354 	/* switch VCLK and DCLK selection */
7355 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
7356 		VCLK_SRC_SEL(2) | DCLK_SRC_SEL(2),
7357 		~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
7358 
7359 	mdelay(100);
7360 
7361 	return 0;
7362 }
7363 
7364 static void si_pcie_gen3_enable(struct radeon_device *rdev)
7365 {
7366 	struct pci_dev *root = rdev->pdev->bus->self;
7367 	int bridge_pos, gpu_pos;
7368 	u32 speed_cntl, mask, current_data_rate;
7369 	int ret, i;
7370 	u16 tmp16;
7371 
7372 	if (pci_is_root_bus(rdev->pdev->bus))
7373 		return;
7374 
7375 	if (radeon_pcie_gen2 == 0)
7376 		return;
7377 
7378 	if (rdev->flags & RADEON_IS_IGP)
7379 		return;
7380 
7381 	if (!(rdev->flags & RADEON_IS_PCIE))
7382 		return;
7383 
7384 	ret = drm_pcie_get_speed_cap_mask(rdev->ddev, &mask);
7385 	if (ret != 0)
7386 		return;
7387 
7388 	if (!(mask & (DRM_PCIE_SPEED_50 | DRM_PCIE_SPEED_80)))
7389 		return;
7390 
7391 	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
7392 	current_data_rate = (speed_cntl & LC_CURRENT_DATA_RATE_MASK) >>
7393 		LC_CURRENT_DATA_RATE_SHIFT;
7394 	if (mask & DRM_PCIE_SPEED_80) {
7395 		if (current_data_rate == 2) {
7396 			DRM_INFO("PCIE gen 3 link speeds already enabled\n");
7397 			return;
7398 		}
7399 		DRM_INFO("enabling PCIE gen 3 link speeds, disable with radeon.pcie_gen2=0\n");
7400 	} else if (mask & DRM_PCIE_SPEED_50) {
7401 		if (current_data_rate == 1) {
7402 			DRM_INFO("PCIE gen 2 link speeds already enabled\n");
7403 			return;
7404 		}
7405 		DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
7406 	}
7407 
7408 	bridge_pos = pci_pcie_cap(root);
7409 	if (!bridge_pos)
7410 		return;
7411 
7412 	gpu_pos = pci_pcie_cap(rdev->pdev);
7413 	if (!gpu_pos)
7414 		return;
7415 
7416 	if (mask & DRM_PCIE_SPEED_80) {
7417 		/* re-try equalization if gen3 is not already enabled */
7418 		if (current_data_rate != 2) {
7419 			u16 bridge_cfg, gpu_cfg;
7420 			u16 bridge_cfg2, gpu_cfg2;
7421 			u32 max_lw, current_lw, tmp;
7422 
7423 			pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &bridge_cfg);
7424 			pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, &gpu_cfg);
7425 
7426 			tmp16 = bridge_cfg | PCI_EXP_LNKCTL_HAWD;
7427 			pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL, tmp16);
7428 
7429 			tmp16 = gpu_cfg | PCI_EXP_LNKCTL_HAWD;
7430 			pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, tmp16);
7431 
7432 			tmp = RREG32_PCIE(PCIE_LC_STATUS1);
7433 			max_lw = (tmp & LC_DETECTED_LINK_WIDTH_MASK) >> LC_DETECTED_LINK_WIDTH_SHIFT;
7434 			current_lw = (tmp & LC_OPERATING_LINK_WIDTH_MASK) >> LC_OPERATING_LINK_WIDTH_SHIFT;
7435 
7436 			if (current_lw < max_lw) {
7437 				tmp = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
7438 				if (tmp & LC_RENEGOTIATION_SUPPORT) {
7439 					tmp &= ~(LC_LINK_WIDTH_MASK | LC_UPCONFIGURE_DIS);
7440 					tmp |= (max_lw << LC_LINK_WIDTH_SHIFT);
7441 					tmp |= LC_UPCONFIGURE_SUPPORT | LC_RENEGOTIATE_EN | LC_RECONFIG_NOW;
7442 					WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, tmp);
7443 				}
7444 			}
7445 
7446 			for (i = 0; i < 10; i++) {
7447 				/* check status */
7448 				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_DEVSTA, &tmp16);
7449 				if (tmp16 & PCI_EXP_DEVSTA_TRPND)
7450 					break;
7451 
7452 				pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &bridge_cfg);
7453 				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, &gpu_cfg);
7454 
7455 				pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, &bridge_cfg2);
7456 				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &gpu_cfg2);
7457 
7458 				tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL4);
7459 				tmp |= LC_SET_QUIESCE;
7460 				WREG32_PCIE_PORT(PCIE_LC_CNTL4, tmp);
7461 
7462 				tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL4);
7463 				tmp |= LC_REDO_EQ;
7464 				WREG32_PCIE_PORT(PCIE_LC_CNTL4, tmp);
7465 
7466 				mdelay(100);
7467 
7468 				/* linkctl */
7469 				pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &tmp16);
7470 				tmp16 &= ~PCI_EXP_LNKCTL_HAWD;
7471 				tmp16 |= (bridge_cfg & PCI_EXP_LNKCTL_HAWD);
7472 				pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL, tmp16);
7473 
7474 				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, &tmp16);
7475 				tmp16 &= ~PCI_EXP_LNKCTL_HAWD;
7476 				tmp16 |= (gpu_cfg & PCI_EXP_LNKCTL_HAWD);
7477 				pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, tmp16);
7478 
7479 				/* linkctl2 */
7480 				pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, &tmp16);
7481 				tmp16 &= ~((1 << 4) | (7 << 9));
7482 				tmp16 |= (bridge_cfg2 & ((1 << 4) | (7 << 9)));
7483 				pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, tmp16);
7484 
7485 				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &tmp16);
7486 				tmp16 &= ~((1 << 4) | (7 << 9));
7487 				tmp16 |= (gpu_cfg2 & ((1 << 4) | (7 << 9)));
7488 				pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, tmp16);
7489 
7490 				tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL4);
7491 				tmp &= ~LC_SET_QUIESCE;
7492 				WREG32_PCIE_PORT(PCIE_LC_CNTL4, tmp);
7493 			}
7494 		}
7495 	}
7496 
7497 	/* set the link speed */
7498 	speed_cntl |= LC_FORCE_EN_SW_SPEED_CHANGE | LC_FORCE_DIS_HW_SPEED_CHANGE;
7499 	speed_cntl &= ~LC_FORCE_DIS_SW_SPEED_CHANGE;
7500 	WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
7501 
7502 	pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &tmp16);
7503 	tmp16 &= ~0xf;
7504 	if (mask & DRM_PCIE_SPEED_80)
7505 		tmp16 |= 3; /* gen3 */
7506 	else if (mask & DRM_PCIE_SPEED_50)
7507 		tmp16 |= 2; /* gen2 */
7508 	else
7509 		tmp16 |= 1; /* gen1 */
7510 	pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, tmp16);
7511 
7512 	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
7513 	speed_cntl |= LC_INITIATE_LINK_SPEED_CHANGE;
7514 	WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
7515 
7516 	for (i = 0; i < rdev->usec_timeout; i++) {
7517 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
7518 		if ((speed_cntl & LC_INITIATE_LINK_SPEED_CHANGE) == 0)
7519 			break;
7520 		udelay(1);
7521 	}
7522 }
7523 
7524 static void si_program_aspm(struct radeon_device *rdev)
7525 {
7526 	u32 data, orig;
7527 	bool disable_l0s = false, disable_l1 = false, disable_plloff_in_l1 = false;
7528 	bool disable_clkreq = false;
7529 
7530 	if (radeon_aspm == 0)
7531 		return;
7532 
7533 	if (!(rdev->flags & RADEON_IS_PCIE))
7534 		return;
7535 
7536 	orig = data = RREG32_PCIE_PORT(PCIE_LC_N_FTS_CNTL);
7537 	data &= ~LC_XMIT_N_FTS_MASK;
7538 	data |= LC_XMIT_N_FTS(0x24) | LC_XMIT_N_FTS_OVERRIDE_EN;
7539 	if (orig != data)
7540 		WREG32_PCIE_PORT(PCIE_LC_N_FTS_CNTL, data);
7541 
7542 	orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL3);
7543 	data |= LC_GO_TO_RECOVERY;
7544 	if (orig != data)
7545 		WREG32_PCIE_PORT(PCIE_LC_CNTL3, data);
7546 
7547 	orig = data = RREG32_PCIE(PCIE_P_CNTL);
7548 	data |= P_IGNORE_EDB_ERR;
7549 	if (orig != data)
7550 		WREG32_PCIE(PCIE_P_CNTL, data);
7551 
7552 	orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL);
7553 	data &= ~(LC_L0S_INACTIVITY_MASK | LC_L1_INACTIVITY_MASK);
7554 	data |= LC_PMI_TO_L1_DIS;
7555 	if (!disable_l0s)
7556 		data |= LC_L0S_INACTIVITY(7);
7557 
7558 	if (!disable_l1) {
7559 		data |= LC_L1_INACTIVITY(7);
7560 		data &= ~LC_PMI_TO_L1_DIS;
7561 		if (orig != data)
7562 			WREG32_PCIE_PORT(PCIE_LC_CNTL, data);
7563 
7564 		if (!disable_plloff_in_l1) {
7565 			bool clk_req_support;
7566 
7567 			orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0);
7568 			data &= ~(PLL_POWER_STATE_IN_OFF_0_MASK | PLL_POWER_STATE_IN_TXS2_0_MASK);
7569 			data |= PLL_POWER_STATE_IN_OFF_0(7) | PLL_POWER_STATE_IN_TXS2_0(7);
7570 			if (orig != data)
7571 				WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0, data);
7572 
7573 			orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1);
7574 			data &= ~(PLL_POWER_STATE_IN_OFF_1_MASK | PLL_POWER_STATE_IN_TXS2_1_MASK);
7575 			data |= PLL_POWER_STATE_IN_OFF_1(7) | PLL_POWER_STATE_IN_TXS2_1(7);
7576 			if (orig != data)
7577 				WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1, data);
7578 
7579 			orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0);
7580 			data &= ~(PLL_POWER_STATE_IN_OFF_0_MASK | PLL_POWER_STATE_IN_TXS2_0_MASK);
7581 			data |= PLL_POWER_STATE_IN_OFF_0(7) | PLL_POWER_STATE_IN_TXS2_0(7);
7582 			if (orig != data)
7583 				WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0, data);
7584 
7585 			orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1);
7586 			data &= ~(PLL_POWER_STATE_IN_OFF_1_MASK | PLL_POWER_STATE_IN_TXS2_1_MASK);
7587 			data |= PLL_POWER_STATE_IN_OFF_1(7) | PLL_POWER_STATE_IN_TXS2_1(7);
7588 			if (orig != data)
7589 				WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1, data);
7590 
7591 			if ((rdev->family != CHIP_OLAND) && (rdev->family != CHIP_HAINAN)) {
7592 				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0);
7593 				data &= ~PLL_RAMP_UP_TIME_0_MASK;
7594 				if (orig != data)
7595 					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0, data);
7596 
7597 				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1);
7598 				data &= ~PLL_RAMP_UP_TIME_1_MASK;
7599 				if (orig != data)
7600 					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1, data);
7601 
7602 				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_2);
7603 				data &= ~PLL_RAMP_UP_TIME_2_MASK;
7604 				if (orig != data)
7605 					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_2, data);
7606 
7607 				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_3);
7608 				data &= ~PLL_RAMP_UP_TIME_3_MASK;
7609 				if (orig != data)
7610 					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_3, data);
7611 
7612 				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0);
7613 				data &= ~PLL_RAMP_UP_TIME_0_MASK;
7614 				if (orig != data)
7615 					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0, data);
7616 
7617 				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1);
7618 				data &= ~PLL_RAMP_UP_TIME_1_MASK;
7619 				if (orig != data)
7620 					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1, data);
7621 
7622 				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_2);
7623 				data &= ~PLL_RAMP_UP_TIME_2_MASK;
7624 				if (orig != data)
7625 					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_2, data);
7626 
7627 				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_3);
7628 				data &= ~PLL_RAMP_UP_TIME_3_MASK;
7629 				if (orig != data)
7630 					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_3, data);
7631 			}
7632 			orig = data = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
7633 			data &= ~LC_DYN_LANES_PWR_STATE_MASK;
7634 			data |= LC_DYN_LANES_PWR_STATE(3);
7635 			if (orig != data)
7636 				WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, data);
7637 
7638 			orig = data = RREG32_PIF_PHY0(PB0_PIF_CNTL);
7639 			data &= ~LS2_EXIT_TIME_MASK;
7640 			if ((rdev->family == CHIP_OLAND) || (rdev->family == CHIP_HAINAN))
7641 				data |= LS2_EXIT_TIME(5);
7642 			if (orig != data)
7643 				WREG32_PIF_PHY0(PB0_PIF_CNTL, data);
7644 
7645 			orig = data = RREG32_PIF_PHY1(PB1_PIF_CNTL);
7646 			data &= ~LS2_EXIT_TIME_MASK;
7647 			if ((rdev->family == CHIP_OLAND) || (rdev->family == CHIP_HAINAN))
7648 				data |= LS2_EXIT_TIME(5);
7649 			if (orig != data)
7650 				WREG32_PIF_PHY1(PB1_PIF_CNTL, data);
7651 
7652 			if (!disable_clkreq &&
7653 			    !pci_is_root_bus(rdev->pdev->bus)) {
7654 				struct pci_dev *root = rdev->pdev->bus->self;
7655 				u32 lnkcap;
7656 
7657 				clk_req_support = false;
7658 				pcie_capability_read_dword(root, PCI_EXP_LNKCAP, &lnkcap);
7659 				if (lnkcap & PCI_EXP_LNKCAP_CLKPM)
7660 					clk_req_support = true;
7661 			} else {
7662 				clk_req_support = false;
7663 			}
7664 
7665 			if (clk_req_support) {
7666 				orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL2);
7667 				data |= LC_ALLOW_PDWN_IN_L1 | LC_ALLOW_PDWN_IN_L23;
7668 				if (orig != data)
7669 					WREG32_PCIE_PORT(PCIE_LC_CNTL2, data);
7670 
7671 				orig = data = RREG32(THM_CLK_CNTL);
7672 				data &= ~(CMON_CLK_SEL_MASK | TMON_CLK_SEL_MASK);
7673 				data |= CMON_CLK_SEL(1) | TMON_CLK_SEL(1);
7674 				if (orig != data)
7675 					WREG32(THM_CLK_CNTL, data);
7676 
7677 				orig = data = RREG32(MISC_CLK_CNTL);
7678 				data &= ~(DEEP_SLEEP_CLK_SEL_MASK | ZCLK_SEL_MASK);
7679 				data |= DEEP_SLEEP_CLK_SEL(1) | ZCLK_SEL(1);
7680 				if (orig != data)
7681 					WREG32(MISC_CLK_CNTL, data);
7682 
7683 				orig = data = RREG32(CG_CLKPIN_CNTL);
7684 				data &= ~BCLK_AS_XCLK;
7685 				if (orig != data)
7686 					WREG32(CG_CLKPIN_CNTL, data);
7687 
7688 				orig = data = RREG32(CG_CLKPIN_CNTL_2);
7689 				data &= ~FORCE_BIF_REFCLK_EN;
7690 				if (orig != data)
7691 					WREG32(CG_CLKPIN_CNTL_2, data);
7692 
7693 				orig = data = RREG32(MPLL_BYPASSCLK_SEL);
7694 				data &= ~MPLL_CLKOUT_SEL_MASK;
7695 				data |= MPLL_CLKOUT_SEL(4);
7696 				if (orig != data)
7697 					WREG32(MPLL_BYPASSCLK_SEL, data);
7698 
7699 				orig = data = RREG32(SPLL_CNTL_MODE);
7700 				data &= ~SPLL_REFCLK_SEL_MASK;
7701 				if (orig != data)
7702 					WREG32(SPLL_CNTL_MODE, data);
7703 			}
7704 		}
7705 	} else {
7706 		if (orig != data)
7707 			WREG32_PCIE_PORT(PCIE_LC_CNTL, data);
7708 	}
7709 
7710 	orig = data = RREG32_PCIE(PCIE_CNTL2);
7711 	data |= SLV_MEM_LS_EN | MST_MEM_LS_EN | REPLAY_MEM_LS_EN;
7712 	if (orig != data)
7713 		WREG32_PCIE(PCIE_CNTL2, data);
7714 
7715 	if (!disable_l0s) {
7716 		data = RREG32_PCIE_PORT(PCIE_LC_N_FTS_CNTL);
7717 		if((data & LC_N_FTS_MASK) == LC_N_FTS_MASK) {
7718 			data = RREG32_PCIE(PCIE_LC_STATUS1);
7719 			if ((data & LC_REVERSE_XMIT) && (data & LC_REVERSE_RCVR)) {
7720 				orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL);
7721 				data &= ~LC_L0S_INACTIVITY_MASK;
7722 				if (orig != data)
7723 					WREG32_PCIE_PORT(PCIE_LC_CNTL, data);
7724 			}
7725 		}
7726 	}
7727 }
7728 
7729 int si_vce_send_vcepll_ctlreq(struct radeon_device *rdev)
7730 {
7731 	unsigned i;
7732 
7733 	/* make sure VCEPLL_CTLREQ is deasserted */
7734 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, 0, ~UPLL_CTLREQ_MASK);
7735 
7736 	mdelay(10);
7737 
7738 	/* assert UPLL_CTLREQ */
7739 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, UPLL_CTLREQ_MASK, ~UPLL_CTLREQ_MASK);
7740 
7741 	/* wait for CTLACK and CTLACK2 to get asserted */
7742 	for (i = 0; i < 100; ++i) {
7743 		uint32_t mask = UPLL_CTLACK_MASK | UPLL_CTLACK2_MASK;
7744 		if ((RREG32_SMC(CG_VCEPLL_FUNC_CNTL) & mask) == mask)
7745 			break;
7746 		mdelay(10);
7747 	}
7748 
7749 	/* deassert UPLL_CTLREQ */
7750 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, 0, ~UPLL_CTLREQ_MASK);
7751 
7752 	if (i == 100) {
7753 		DRM_ERROR("Timeout setting UVD clocks!\n");
7754 		return -ETIMEDOUT;
7755 	}
7756 
7757 	return 0;
7758 }
7759 
7760 int si_set_vce_clocks(struct radeon_device *rdev, u32 evclk, u32 ecclk)
7761 {
7762 	unsigned fb_div = 0, evclk_div = 0, ecclk_div = 0;
7763 	int r;
7764 
7765 	/* bypass evclk and ecclk with bclk */
7766 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL_2,
7767 		     EVCLK_SRC_SEL(1) | ECCLK_SRC_SEL(1),
7768 		     ~(EVCLK_SRC_SEL_MASK | ECCLK_SRC_SEL_MASK));
7769 
7770 	/* put PLL in bypass mode */
7771 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, VCEPLL_BYPASS_EN_MASK,
7772 		     ~VCEPLL_BYPASS_EN_MASK);
7773 
7774 	if (!evclk || !ecclk) {
7775 		/* keep the Bypass mode, put PLL to sleep */
7776 		WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, VCEPLL_SLEEP_MASK,
7777 			     ~VCEPLL_SLEEP_MASK);
7778 		return 0;
7779 	}
7780 
7781 	r = radeon_uvd_calc_upll_dividers(rdev, evclk, ecclk, 125000, 250000,
7782 					  16384, 0x03FFFFFF, 0, 128, 5,
7783 					  &fb_div, &evclk_div, &ecclk_div);
7784 	if (r)
7785 		return r;
7786 
7787 	/* set RESET_ANTI_MUX to 0 */
7788 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL_5, 0, ~RESET_ANTI_MUX_MASK);
7789 
7790 	/* set VCO_MODE to 1 */
7791 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, VCEPLL_VCO_MODE_MASK,
7792 		     ~VCEPLL_VCO_MODE_MASK);
7793 
7794 	/* toggle VCEPLL_SLEEP to 1 then back to 0 */
7795 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, VCEPLL_SLEEP_MASK,
7796 		     ~VCEPLL_SLEEP_MASK);
7797 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, 0, ~VCEPLL_SLEEP_MASK);
7798 
7799 	/* deassert VCEPLL_RESET */
7800 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, 0, ~VCEPLL_RESET_MASK);
7801 
7802 	mdelay(1);
7803 
7804 	r = si_vce_send_vcepll_ctlreq(rdev);
7805 	if (r)
7806 		return r;
7807 
7808 	/* assert VCEPLL_RESET again */
7809 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, VCEPLL_RESET_MASK, ~VCEPLL_RESET_MASK);
7810 
7811 	/* disable spread spectrum. */
7812 	WREG32_SMC_P(CG_VCEPLL_SPREAD_SPECTRUM, 0, ~SSEN_MASK);
7813 
7814 	/* set feedback divider */
7815 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL_3, VCEPLL_FB_DIV(fb_div), ~VCEPLL_FB_DIV_MASK);
7816 
7817 	/* set ref divider to 0 */
7818 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, 0, ~VCEPLL_REF_DIV_MASK);
7819 
7820 	/* set PDIV_A and PDIV_B */
7821 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL_2,
7822 		     VCEPLL_PDIV_A(evclk_div) | VCEPLL_PDIV_B(ecclk_div),
7823 		     ~(VCEPLL_PDIV_A_MASK | VCEPLL_PDIV_B_MASK));
7824 
7825 	/* give the PLL some time to settle */
7826 	mdelay(15);
7827 
7828 	/* deassert PLL_RESET */
7829 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, 0, ~VCEPLL_RESET_MASK);
7830 
7831 	mdelay(15);
7832 
7833 	/* switch from bypass mode to normal mode */
7834 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL, 0, ~VCEPLL_BYPASS_EN_MASK);
7835 
7836 	r = si_vce_send_vcepll_ctlreq(rdev);
7837 	if (r)
7838 		return r;
7839 
7840 	/* switch VCLK and DCLK selection */
7841 	WREG32_SMC_P(CG_VCEPLL_FUNC_CNTL_2,
7842 		     EVCLK_SRC_SEL(16) | ECCLK_SRC_SEL(16),
7843 		     ~(EVCLK_SRC_SEL_MASK | ECCLK_SRC_SEL_MASK));
7844 
7845 	mdelay(100);
7846 
7847 	return 0;
7848 }
7849