xref: /linux/drivers/gpu/drm/radeon/evergreen.c (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
1 /*
2  * Copyright 2010 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 <drm/drmP.h>
27 #include "radeon.h"
28 #include "radeon_asic.h"
29 #include "radeon_audio.h"
30 #include <drm/radeon_drm.h>
31 #include "evergreend.h"
32 #include "atom.h"
33 #include "avivod.h"
34 #include "evergreen_reg.h"
35 #include "evergreen_blit_shaders.h"
36 #include "radeon_ucode.h"
37 
38 /*
39  * Indirect registers accessor
40  */
41 u32 eg_cg_rreg(struct radeon_device *rdev, u32 reg)
42 {
43 	unsigned long flags;
44 	u32 r;
45 
46 	spin_lock_irqsave(&rdev->cg_idx_lock, flags);
47 	WREG32(EVERGREEN_CG_IND_ADDR, ((reg) & 0xffff));
48 	r = RREG32(EVERGREEN_CG_IND_DATA);
49 	spin_unlock_irqrestore(&rdev->cg_idx_lock, flags);
50 	return r;
51 }
52 
53 void eg_cg_wreg(struct radeon_device *rdev, u32 reg, u32 v)
54 {
55 	unsigned long flags;
56 
57 	spin_lock_irqsave(&rdev->cg_idx_lock, flags);
58 	WREG32(EVERGREEN_CG_IND_ADDR, ((reg) & 0xffff));
59 	WREG32(EVERGREEN_CG_IND_DATA, (v));
60 	spin_unlock_irqrestore(&rdev->cg_idx_lock, flags);
61 }
62 
63 u32 eg_pif_phy0_rreg(struct radeon_device *rdev, u32 reg)
64 {
65 	unsigned long flags;
66 	u32 r;
67 
68 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
69 	WREG32(EVERGREEN_PIF_PHY0_INDEX, ((reg) & 0xffff));
70 	r = RREG32(EVERGREEN_PIF_PHY0_DATA);
71 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
72 	return r;
73 }
74 
75 void eg_pif_phy0_wreg(struct radeon_device *rdev, u32 reg, u32 v)
76 {
77 	unsigned long flags;
78 
79 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
80 	WREG32(EVERGREEN_PIF_PHY0_INDEX, ((reg) & 0xffff));
81 	WREG32(EVERGREEN_PIF_PHY0_DATA, (v));
82 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
83 }
84 
85 u32 eg_pif_phy1_rreg(struct radeon_device *rdev, u32 reg)
86 {
87 	unsigned long flags;
88 	u32 r;
89 
90 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
91 	WREG32(EVERGREEN_PIF_PHY1_INDEX, ((reg) & 0xffff));
92 	r = RREG32(EVERGREEN_PIF_PHY1_DATA);
93 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
94 	return r;
95 }
96 
97 void eg_pif_phy1_wreg(struct radeon_device *rdev, u32 reg, u32 v)
98 {
99 	unsigned long flags;
100 
101 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
102 	WREG32(EVERGREEN_PIF_PHY1_INDEX, ((reg) & 0xffff));
103 	WREG32(EVERGREEN_PIF_PHY1_DATA, (v));
104 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
105 }
106 
107 static const u32 crtc_offsets[6] =
108 {
109 	EVERGREEN_CRTC0_REGISTER_OFFSET,
110 	EVERGREEN_CRTC1_REGISTER_OFFSET,
111 	EVERGREEN_CRTC2_REGISTER_OFFSET,
112 	EVERGREEN_CRTC3_REGISTER_OFFSET,
113 	EVERGREEN_CRTC4_REGISTER_OFFSET,
114 	EVERGREEN_CRTC5_REGISTER_OFFSET
115 };
116 
117 #include "clearstate_evergreen.h"
118 
119 static const u32 sumo_rlc_save_restore_register_list[] =
120 {
121 	0x98fc,
122 	0x9830,
123 	0x9834,
124 	0x9838,
125 	0x9870,
126 	0x9874,
127 	0x8a14,
128 	0x8b24,
129 	0x8bcc,
130 	0x8b10,
131 	0x8d00,
132 	0x8d04,
133 	0x8c00,
134 	0x8c04,
135 	0x8c08,
136 	0x8c0c,
137 	0x8d8c,
138 	0x8c20,
139 	0x8c24,
140 	0x8c28,
141 	0x8c18,
142 	0x8c1c,
143 	0x8cf0,
144 	0x8e2c,
145 	0x8e38,
146 	0x8c30,
147 	0x9508,
148 	0x9688,
149 	0x9608,
150 	0x960c,
151 	0x9610,
152 	0x9614,
153 	0x88c4,
154 	0x88d4,
155 	0xa008,
156 	0x900c,
157 	0x9100,
158 	0x913c,
159 	0x98f8,
160 	0x98f4,
161 	0x9b7c,
162 	0x3f8c,
163 	0x8950,
164 	0x8954,
165 	0x8a18,
166 	0x8b28,
167 	0x9144,
168 	0x9148,
169 	0x914c,
170 	0x3f90,
171 	0x3f94,
172 	0x915c,
173 	0x9160,
174 	0x9178,
175 	0x917c,
176 	0x9180,
177 	0x918c,
178 	0x9190,
179 	0x9194,
180 	0x9198,
181 	0x919c,
182 	0x91a8,
183 	0x91ac,
184 	0x91b0,
185 	0x91b4,
186 	0x91b8,
187 	0x91c4,
188 	0x91c8,
189 	0x91cc,
190 	0x91d0,
191 	0x91d4,
192 	0x91e0,
193 	0x91e4,
194 	0x91ec,
195 	0x91f0,
196 	0x91f4,
197 	0x9200,
198 	0x9204,
199 	0x929c,
200 	0x9150,
201 	0x802c,
202 };
203 
204 static void evergreen_gpu_init(struct radeon_device *rdev);
205 void evergreen_fini(struct radeon_device *rdev);
206 void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
207 void evergreen_program_aspm(struct radeon_device *rdev);
208 extern void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
209 				     int ring, u32 cp_int_cntl);
210 extern void cayman_vm_decode_fault(struct radeon_device *rdev,
211 				   u32 status, u32 addr);
212 void cik_init_cp_pg_table(struct radeon_device *rdev);
213 
214 extern u32 si_get_csb_size(struct radeon_device *rdev);
215 extern void si_get_csb_buffer(struct radeon_device *rdev, volatile u32 *buffer);
216 extern u32 cik_get_csb_size(struct radeon_device *rdev);
217 extern void cik_get_csb_buffer(struct radeon_device *rdev, volatile u32 *buffer);
218 extern void rv770_set_clk_bypass_mode(struct radeon_device *rdev);
219 
220 static const u32 evergreen_golden_registers[] =
221 {
222 	0x3f90, 0xffff0000, 0xff000000,
223 	0x9148, 0xffff0000, 0xff000000,
224 	0x3f94, 0xffff0000, 0xff000000,
225 	0x914c, 0xffff0000, 0xff000000,
226 	0x9b7c, 0xffffffff, 0x00000000,
227 	0x8a14, 0xffffffff, 0x00000007,
228 	0x8b10, 0xffffffff, 0x00000000,
229 	0x960c, 0xffffffff, 0x54763210,
230 	0x88c4, 0xffffffff, 0x000000c2,
231 	0x88d4, 0xffffffff, 0x00000010,
232 	0x8974, 0xffffffff, 0x00000000,
233 	0xc78, 0x00000080, 0x00000080,
234 	0x5eb4, 0xffffffff, 0x00000002,
235 	0x5e78, 0xffffffff, 0x001000f0,
236 	0x6104, 0x01000300, 0x00000000,
237 	0x5bc0, 0x00300000, 0x00000000,
238 	0x7030, 0xffffffff, 0x00000011,
239 	0x7c30, 0xffffffff, 0x00000011,
240 	0x10830, 0xffffffff, 0x00000011,
241 	0x11430, 0xffffffff, 0x00000011,
242 	0x12030, 0xffffffff, 0x00000011,
243 	0x12c30, 0xffffffff, 0x00000011,
244 	0xd02c, 0xffffffff, 0x08421000,
245 	0x240c, 0xffffffff, 0x00000380,
246 	0x8b24, 0xffffffff, 0x00ff0fff,
247 	0x28a4c, 0x06000000, 0x06000000,
248 	0x10c, 0x00000001, 0x00000001,
249 	0x8d00, 0xffffffff, 0x100e4848,
250 	0x8d04, 0xffffffff, 0x00164745,
251 	0x8c00, 0xffffffff, 0xe4000003,
252 	0x8c04, 0xffffffff, 0x40600060,
253 	0x8c08, 0xffffffff, 0x001c001c,
254 	0x8cf0, 0xffffffff, 0x08e00620,
255 	0x8c20, 0xffffffff, 0x00800080,
256 	0x8c24, 0xffffffff, 0x00800080,
257 	0x8c18, 0xffffffff, 0x20202078,
258 	0x8c1c, 0xffffffff, 0x00001010,
259 	0x28350, 0xffffffff, 0x00000000,
260 	0xa008, 0xffffffff, 0x00010000,
261 	0x5c4, 0xffffffff, 0x00000001,
262 	0x9508, 0xffffffff, 0x00000002,
263 	0x913c, 0x0000000f, 0x0000000a
264 };
265 
266 static const u32 evergreen_golden_registers2[] =
267 {
268 	0x2f4c, 0xffffffff, 0x00000000,
269 	0x54f4, 0xffffffff, 0x00000000,
270 	0x54f0, 0xffffffff, 0x00000000,
271 	0x5498, 0xffffffff, 0x00000000,
272 	0x549c, 0xffffffff, 0x00000000,
273 	0x5494, 0xffffffff, 0x00000000,
274 	0x53cc, 0xffffffff, 0x00000000,
275 	0x53c8, 0xffffffff, 0x00000000,
276 	0x53c4, 0xffffffff, 0x00000000,
277 	0x53c0, 0xffffffff, 0x00000000,
278 	0x53bc, 0xffffffff, 0x00000000,
279 	0x53b8, 0xffffffff, 0x00000000,
280 	0x53b4, 0xffffffff, 0x00000000,
281 	0x53b0, 0xffffffff, 0x00000000
282 };
283 
284 static const u32 cypress_mgcg_init[] =
285 {
286 	0x802c, 0xffffffff, 0xc0000000,
287 	0x5448, 0xffffffff, 0x00000100,
288 	0x55e4, 0xffffffff, 0x00000100,
289 	0x160c, 0xffffffff, 0x00000100,
290 	0x5644, 0xffffffff, 0x00000100,
291 	0xc164, 0xffffffff, 0x00000100,
292 	0x8a18, 0xffffffff, 0x00000100,
293 	0x897c, 0xffffffff, 0x06000100,
294 	0x8b28, 0xffffffff, 0x00000100,
295 	0x9144, 0xffffffff, 0x00000100,
296 	0x9a60, 0xffffffff, 0x00000100,
297 	0x9868, 0xffffffff, 0x00000100,
298 	0x8d58, 0xffffffff, 0x00000100,
299 	0x9510, 0xffffffff, 0x00000100,
300 	0x949c, 0xffffffff, 0x00000100,
301 	0x9654, 0xffffffff, 0x00000100,
302 	0x9030, 0xffffffff, 0x00000100,
303 	0x9034, 0xffffffff, 0x00000100,
304 	0x9038, 0xffffffff, 0x00000100,
305 	0x903c, 0xffffffff, 0x00000100,
306 	0x9040, 0xffffffff, 0x00000100,
307 	0xa200, 0xffffffff, 0x00000100,
308 	0xa204, 0xffffffff, 0x00000100,
309 	0xa208, 0xffffffff, 0x00000100,
310 	0xa20c, 0xffffffff, 0x00000100,
311 	0x971c, 0xffffffff, 0x00000100,
312 	0x977c, 0xffffffff, 0x00000100,
313 	0x3f80, 0xffffffff, 0x00000100,
314 	0xa210, 0xffffffff, 0x00000100,
315 	0xa214, 0xffffffff, 0x00000100,
316 	0x4d8, 0xffffffff, 0x00000100,
317 	0x9784, 0xffffffff, 0x00000100,
318 	0x9698, 0xffffffff, 0x00000100,
319 	0x4d4, 0xffffffff, 0x00000200,
320 	0x30cc, 0xffffffff, 0x00000100,
321 	0xd0c0, 0xffffffff, 0xff000100,
322 	0x802c, 0xffffffff, 0x40000000,
323 	0x915c, 0xffffffff, 0x00010000,
324 	0x9160, 0xffffffff, 0x00030002,
325 	0x9178, 0xffffffff, 0x00070000,
326 	0x917c, 0xffffffff, 0x00030002,
327 	0x9180, 0xffffffff, 0x00050004,
328 	0x918c, 0xffffffff, 0x00010006,
329 	0x9190, 0xffffffff, 0x00090008,
330 	0x9194, 0xffffffff, 0x00070000,
331 	0x9198, 0xffffffff, 0x00030002,
332 	0x919c, 0xffffffff, 0x00050004,
333 	0x91a8, 0xffffffff, 0x00010006,
334 	0x91ac, 0xffffffff, 0x00090008,
335 	0x91b0, 0xffffffff, 0x00070000,
336 	0x91b4, 0xffffffff, 0x00030002,
337 	0x91b8, 0xffffffff, 0x00050004,
338 	0x91c4, 0xffffffff, 0x00010006,
339 	0x91c8, 0xffffffff, 0x00090008,
340 	0x91cc, 0xffffffff, 0x00070000,
341 	0x91d0, 0xffffffff, 0x00030002,
342 	0x91d4, 0xffffffff, 0x00050004,
343 	0x91e0, 0xffffffff, 0x00010006,
344 	0x91e4, 0xffffffff, 0x00090008,
345 	0x91e8, 0xffffffff, 0x00000000,
346 	0x91ec, 0xffffffff, 0x00070000,
347 	0x91f0, 0xffffffff, 0x00030002,
348 	0x91f4, 0xffffffff, 0x00050004,
349 	0x9200, 0xffffffff, 0x00010006,
350 	0x9204, 0xffffffff, 0x00090008,
351 	0x9208, 0xffffffff, 0x00070000,
352 	0x920c, 0xffffffff, 0x00030002,
353 	0x9210, 0xffffffff, 0x00050004,
354 	0x921c, 0xffffffff, 0x00010006,
355 	0x9220, 0xffffffff, 0x00090008,
356 	0x9224, 0xffffffff, 0x00070000,
357 	0x9228, 0xffffffff, 0x00030002,
358 	0x922c, 0xffffffff, 0x00050004,
359 	0x9238, 0xffffffff, 0x00010006,
360 	0x923c, 0xffffffff, 0x00090008,
361 	0x9240, 0xffffffff, 0x00070000,
362 	0x9244, 0xffffffff, 0x00030002,
363 	0x9248, 0xffffffff, 0x00050004,
364 	0x9254, 0xffffffff, 0x00010006,
365 	0x9258, 0xffffffff, 0x00090008,
366 	0x925c, 0xffffffff, 0x00070000,
367 	0x9260, 0xffffffff, 0x00030002,
368 	0x9264, 0xffffffff, 0x00050004,
369 	0x9270, 0xffffffff, 0x00010006,
370 	0x9274, 0xffffffff, 0x00090008,
371 	0x9278, 0xffffffff, 0x00070000,
372 	0x927c, 0xffffffff, 0x00030002,
373 	0x9280, 0xffffffff, 0x00050004,
374 	0x928c, 0xffffffff, 0x00010006,
375 	0x9290, 0xffffffff, 0x00090008,
376 	0x9294, 0xffffffff, 0x00000000,
377 	0x929c, 0xffffffff, 0x00000001,
378 	0x802c, 0xffffffff, 0x40010000,
379 	0x915c, 0xffffffff, 0x00010000,
380 	0x9160, 0xffffffff, 0x00030002,
381 	0x9178, 0xffffffff, 0x00070000,
382 	0x917c, 0xffffffff, 0x00030002,
383 	0x9180, 0xffffffff, 0x00050004,
384 	0x918c, 0xffffffff, 0x00010006,
385 	0x9190, 0xffffffff, 0x00090008,
386 	0x9194, 0xffffffff, 0x00070000,
387 	0x9198, 0xffffffff, 0x00030002,
388 	0x919c, 0xffffffff, 0x00050004,
389 	0x91a8, 0xffffffff, 0x00010006,
390 	0x91ac, 0xffffffff, 0x00090008,
391 	0x91b0, 0xffffffff, 0x00070000,
392 	0x91b4, 0xffffffff, 0x00030002,
393 	0x91b8, 0xffffffff, 0x00050004,
394 	0x91c4, 0xffffffff, 0x00010006,
395 	0x91c8, 0xffffffff, 0x00090008,
396 	0x91cc, 0xffffffff, 0x00070000,
397 	0x91d0, 0xffffffff, 0x00030002,
398 	0x91d4, 0xffffffff, 0x00050004,
399 	0x91e0, 0xffffffff, 0x00010006,
400 	0x91e4, 0xffffffff, 0x00090008,
401 	0x91e8, 0xffffffff, 0x00000000,
402 	0x91ec, 0xffffffff, 0x00070000,
403 	0x91f0, 0xffffffff, 0x00030002,
404 	0x91f4, 0xffffffff, 0x00050004,
405 	0x9200, 0xffffffff, 0x00010006,
406 	0x9204, 0xffffffff, 0x00090008,
407 	0x9208, 0xffffffff, 0x00070000,
408 	0x920c, 0xffffffff, 0x00030002,
409 	0x9210, 0xffffffff, 0x00050004,
410 	0x921c, 0xffffffff, 0x00010006,
411 	0x9220, 0xffffffff, 0x00090008,
412 	0x9224, 0xffffffff, 0x00070000,
413 	0x9228, 0xffffffff, 0x00030002,
414 	0x922c, 0xffffffff, 0x00050004,
415 	0x9238, 0xffffffff, 0x00010006,
416 	0x923c, 0xffffffff, 0x00090008,
417 	0x9240, 0xffffffff, 0x00070000,
418 	0x9244, 0xffffffff, 0x00030002,
419 	0x9248, 0xffffffff, 0x00050004,
420 	0x9254, 0xffffffff, 0x00010006,
421 	0x9258, 0xffffffff, 0x00090008,
422 	0x925c, 0xffffffff, 0x00070000,
423 	0x9260, 0xffffffff, 0x00030002,
424 	0x9264, 0xffffffff, 0x00050004,
425 	0x9270, 0xffffffff, 0x00010006,
426 	0x9274, 0xffffffff, 0x00090008,
427 	0x9278, 0xffffffff, 0x00070000,
428 	0x927c, 0xffffffff, 0x00030002,
429 	0x9280, 0xffffffff, 0x00050004,
430 	0x928c, 0xffffffff, 0x00010006,
431 	0x9290, 0xffffffff, 0x00090008,
432 	0x9294, 0xffffffff, 0x00000000,
433 	0x929c, 0xffffffff, 0x00000001,
434 	0x802c, 0xffffffff, 0xc0000000
435 };
436 
437 static const u32 redwood_mgcg_init[] =
438 {
439 	0x802c, 0xffffffff, 0xc0000000,
440 	0x5448, 0xffffffff, 0x00000100,
441 	0x55e4, 0xffffffff, 0x00000100,
442 	0x160c, 0xffffffff, 0x00000100,
443 	0x5644, 0xffffffff, 0x00000100,
444 	0xc164, 0xffffffff, 0x00000100,
445 	0x8a18, 0xffffffff, 0x00000100,
446 	0x897c, 0xffffffff, 0x06000100,
447 	0x8b28, 0xffffffff, 0x00000100,
448 	0x9144, 0xffffffff, 0x00000100,
449 	0x9a60, 0xffffffff, 0x00000100,
450 	0x9868, 0xffffffff, 0x00000100,
451 	0x8d58, 0xffffffff, 0x00000100,
452 	0x9510, 0xffffffff, 0x00000100,
453 	0x949c, 0xffffffff, 0x00000100,
454 	0x9654, 0xffffffff, 0x00000100,
455 	0x9030, 0xffffffff, 0x00000100,
456 	0x9034, 0xffffffff, 0x00000100,
457 	0x9038, 0xffffffff, 0x00000100,
458 	0x903c, 0xffffffff, 0x00000100,
459 	0x9040, 0xffffffff, 0x00000100,
460 	0xa200, 0xffffffff, 0x00000100,
461 	0xa204, 0xffffffff, 0x00000100,
462 	0xa208, 0xffffffff, 0x00000100,
463 	0xa20c, 0xffffffff, 0x00000100,
464 	0x971c, 0xffffffff, 0x00000100,
465 	0x977c, 0xffffffff, 0x00000100,
466 	0x3f80, 0xffffffff, 0x00000100,
467 	0xa210, 0xffffffff, 0x00000100,
468 	0xa214, 0xffffffff, 0x00000100,
469 	0x4d8, 0xffffffff, 0x00000100,
470 	0x9784, 0xffffffff, 0x00000100,
471 	0x9698, 0xffffffff, 0x00000100,
472 	0x4d4, 0xffffffff, 0x00000200,
473 	0x30cc, 0xffffffff, 0x00000100,
474 	0xd0c0, 0xffffffff, 0xff000100,
475 	0x802c, 0xffffffff, 0x40000000,
476 	0x915c, 0xffffffff, 0x00010000,
477 	0x9160, 0xffffffff, 0x00030002,
478 	0x9178, 0xffffffff, 0x00070000,
479 	0x917c, 0xffffffff, 0x00030002,
480 	0x9180, 0xffffffff, 0x00050004,
481 	0x918c, 0xffffffff, 0x00010006,
482 	0x9190, 0xffffffff, 0x00090008,
483 	0x9194, 0xffffffff, 0x00070000,
484 	0x9198, 0xffffffff, 0x00030002,
485 	0x919c, 0xffffffff, 0x00050004,
486 	0x91a8, 0xffffffff, 0x00010006,
487 	0x91ac, 0xffffffff, 0x00090008,
488 	0x91b0, 0xffffffff, 0x00070000,
489 	0x91b4, 0xffffffff, 0x00030002,
490 	0x91b8, 0xffffffff, 0x00050004,
491 	0x91c4, 0xffffffff, 0x00010006,
492 	0x91c8, 0xffffffff, 0x00090008,
493 	0x91cc, 0xffffffff, 0x00070000,
494 	0x91d0, 0xffffffff, 0x00030002,
495 	0x91d4, 0xffffffff, 0x00050004,
496 	0x91e0, 0xffffffff, 0x00010006,
497 	0x91e4, 0xffffffff, 0x00090008,
498 	0x91e8, 0xffffffff, 0x00000000,
499 	0x91ec, 0xffffffff, 0x00070000,
500 	0x91f0, 0xffffffff, 0x00030002,
501 	0x91f4, 0xffffffff, 0x00050004,
502 	0x9200, 0xffffffff, 0x00010006,
503 	0x9204, 0xffffffff, 0x00090008,
504 	0x9294, 0xffffffff, 0x00000000,
505 	0x929c, 0xffffffff, 0x00000001,
506 	0x802c, 0xffffffff, 0xc0000000
507 };
508 
509 static const u32 cedar_golden_registers[] =
510 {
511 	0x3f90, 0xffff0000, 0xff000000,
512 	0x9148, 0xffff0000, 0xff000000,
513 	0x3f94, 0xffff0000, 0xff000000,
514 	0x914c, 0xffff0000, 0xff000000,
515 	0x9b7c, 0xffffffff, 0x00000000,
516 	0x8a14, 0xffffffff, 0x00000007,
517 	0x8b10, 0xffffffff, 0x00000000,
518 	0x960c, 0xffffffff, 0x54763210,
519 	0x88c4, 0xffffffff, 0x000000c2,
520 	0x88d4, 0xffffffff, 0x00000000,
521 	0x8974, 0xffffffff, 0x00000000,
522 	0xc78, 0x00000080, 0x00000080,
523 	0x5eb4, 0xffffffff, 0x00000002,
524 	0x5e78, 0xffffffff, 0x001000f0,
525 	0x6104, 0x01000300, 0x00000000,
526 	0x5bc0, 0x00300000, 0x00000000,
527 	0x7030, 0xffffffff, 0x00000011,
528 	0x7c30, 0xffffffff, 0x00000011,
529 	0x10830, 0xffffffff, 0x00000011,
530 	0x11430, 0xffffffff, 0x00000011,
531 	0xd02c, 0xffffffff, 0x08421000,
532 	0x240c, 0xffffffff, 0x00000380,
533 	0x8b24, 0xffffffff, 0x00ff0fff,
534 	0x28a4c, 0x06000000, 0x06000000,
535 	0x10c, 0x00000001, 0x00000001,
536 	0x8d00, 0xffffffff, 0x100e4848,
537 	0x8d04, 0xffffffff, 0x00164745,
538 	0x8c00, 0xffffffff, 0xe4000003,
539 	0x8c04, 0xffffffff, 0x40600060,
540 	0x8c08, 0xffffffff, 0x001c001c,
541 	0x8cf0, 0xffffffff, 0x08e00410,
542 	0x8c20, 0xffffffff, 0x00800080,
543 	0x8c24, 0xffffffff, 0x00800080,
544 	0x8c18, 0xffffffff, 0x20202078,
545 	0x8c1c, 0xffffffff, 0x00001010,
546 	0x28350, 0xffffffff, 0x00000000,
547 	0xa008, 0xffffffff, 0x00010000,
548 	0x5c4, 0xffffffff, 0x00000001,
549 	0x9508, 0xffffffff, 0x00000002
550 };
551 
552 static const u32 cedar_mgcg_init[] =
553 {
554 	0x802c, 0xffffffff, 0xc0000000,
555 	0x5448, 0xffffffff, 0x00000100,
556 	0x55e4, 0xffffffff, 0x00000100,
557 	0x160c, 0xffffffff, 0x00000100,
558 	0x5644, 0xffffffff, 0x00000100,
559 	0xc164, 0xffffffff, 0x00000100,
560 	0x8a18, 0xffffffff, 0x00000100,
561 	0x897c, 0xffffffff, 0x06000100,
562 	0x8b28, 0xffffffff, 0x00000100,
563 	0x9144, 0xffffffff, 0x00000100,
564 	0x9a60, 0xffffffff, 0x00000100,
565 	0x9868, 0xffffffff, 0x00000100,
566 	0x8d58, 0xffffffff, 0x00000100,
567 	0x9510, 0xffffffff, 0x00000100,
568 	0x949c, 0xffffffff, 0x00000100,
569 	0x9654, 0xffffffff, 0x00000100,
570 	0x9030, 0xffffffff, 0x00000100,
571 	0x9034, 0xffffffff, 0x00000100,
572 	0x9038, 0xffffffff, 0x00000100,
573 	0x903c, 0xffffffff, 0x00000100,
574 	0x9040, 0xffffffff, 0x00000100,
575 	0xa200, 0xffffffff, 0x00000100,
576 	0xa204, 0xffffffff, 0x00000100,
577 	0xa208, 0xffffffff, 0x00000100,
578 	0xa20c, 0xffffffff, 0x00000100,
579 	0x971c, 0xffffffff, 0x00000100,
580 	0x977c, 0xffffffff, 0x00000100,
581 	0x3f80, 0xffffffff, 0x00000100,
582 	0xa210, 0xffffffff, 0x00000100,
583 	0xa214, 0xffffffff, 0x00000100,
584 	0x4d8, 0xffffffff, 0x00000100,
585 	0x9784, 0xffffffff, 0x00000100,
586 	0x9698, 0xffffffff, 0x00000100,
587 	0x4d4, 0xffffffff, 0x00000200,
588 	0x30cc, 0xffffffff, 0x00000100,
589 	0xd0c0, 0xffffffff, 0xff000100,
590 	0x802c, 0xffffffff, 0x40000000,
591 	0x915c, 0xffffffff, 0x00010000,
592 	0x9178, 0xffffffff, 0x00050000,
593 	0x917c, 0xffffffff, 0x00030002,
594 	0x918c, 0xffffffff, 0x00010004,
595 	0x9190, 0xffffffff, 0x00070006,
596 	0x9194, 0xffffffff, 0x00050000,
597 	0x9198, 0xffffffff, 0x00030002,
598 	0x91a8, 0xffffffff, 0x00010004,
599 	0x91ac, 0xffffffff, 0x00070006,
600 	0x91e8, 0xffffffff, 0x00000000,
601 	0x9294, 0xffffffff, 0x00000000,
602 	0x929c, 0xffffffff, 0x00000001,
603 	0x802c, 0xffffffff, 0xc0000000
604 };
605 
606 static const u32 juniper_mgcg_init[] =
607 {
608 	0x802c, 0xffffffff, 0xc0000000,
609 	0x5448, 0xffffffff, 0x00000100,
610 	0x55e4, 0xffffffff, 0x00000100,
611 	0x160c, 0xffffffff, 0x00000100,
612 	0x5644, 0xffffffff, 0x00000100,
613 	0xc164, 0xffffffff, 0x00000100,
614 	0x8a18, 0xffffffff, 0x00000100,
615 	0x897c, 0xffffffff, 0x06000100,
616 	0x8b28, 0xffffffff, 0x00000100,
617 	0x9144, 0xffffffff, 0x00000100,
618 	0x9a60, 0xffffffff, 0x00000100,
619 	0x9868, 0xffffffff, 0x00000100,
620 	0x8d58, 0xffffffff, 0x00000100,
621 	0x9510, 0xffffffff, 0x00000100,
622 	0x949c, 0xffffffff, 0x00000100,
623 	0x9654, 0xffffffff, 0x00000100,
624 	0x9030, 0xffffffff, 0x00000100,
625 	0x9034, 0xffffffff, 0x00000100,
626 	0x9038, 0xffffffff, 0x00000100,
627 	0x903c, 0xffffffff, 0x00000100,
628 	0x9040, 0xffffffff, 0x00000100,
629 	0xa200, 0xffffffff, 0x00000100,
630 	0xa204, 0xffffffff, 0x00000100,
631 	0xa208, 0xffffffff, 0x00000100,
632 	0xa20c, 0xffffffff, 0x00000100,
633 	0x971c, 0xffffffff, 0x00000100,
634 	0xd0c0, 0xffffffff, 0xff000100,
635 	0x802c, 0xffffffff, 0x40000000,
636 	0x915c, 0xffffffff, 0x00010000,
637 	0x9160, 0xffffffff, 0x00030002,
638 	0x9178, 0xffffffff, 0x00070000,
639 	0x917c, 0xffffffff, 0x00030002,
640 	0x9180, 0xffffffff, 0x00050004,
641 	0x918c, 0xffffffff, 0x00010006,
642 	0x9190, 0xffffffff, 0x00090008,
643 	0x9194, 0xffffffff, 0x00070000,
644 	0x9198, 0xffffffff, 0x00030002,
645 	0x919c, 0xffffffff, 0x00050004,
646 	0x91a8, 0xffffffff, 0x00010006,
647 	0x91ac, 0xffffffff, 0x00090008,
648 	0x91b0, 0xffffffff, 0x00070000,
649 	0x91b4, 0xffffffff, 0x00030002,
650 	0x91b8, 0xffffffff, 0x00050004,
651 	0x91c4, 0xffffffff, 0x00010006,
652 	0x91c8, 0xffffffff, 0x00090008,
653 	0x91cc, 0xffffffff, 0x00070000,
654 	0x91d0, 0xffffffff, 0x00030002,
655 	0x91d4, 0xffffffff, 0x00050004,
656 	0x91e0, 0xffffffff, 0x00010006,
657 	0x91e4, 0xffffffff, 0x00090008,
658 	0x91e8, 0xffffffff, 0x00000000,
659 	0x91ec, 0xffffffff, 0x00070000,
660 	0x91f0, 0xffffffff, 0x00030002,
661 	0x91f4, 0xffffffff, 0x00050004,
662 	0x9200, 0xffffffff, 0x00010006,
663 	0x9204, 0xffffffff, 0x00090008,
664 	0x9208, 0xffffffff, 0x00070000,
665 	0x920c, 0xffffffff, 0x00030002,
666 	0x9210, 0xffffffff, 0x00050004,
667 	0x921c, 0xffffffff, 0x00010006,
668 	0x9220, 0xffffffff, 0x00090008,
669 	0x9224, 0xffffffff, 0x00070000,
670 	0x9228, 0xffffffff, 0x00030002,
671 	0x922c, 0xffffffff, 0x00050004,
672 	0x9238, 0xffffffff, 0x00010006,
673 	0x923c, 0xffffffff, 0x00090008,
674 	0x9240, 0xffffffff, 0x00070000,
675 	0x9244, 0xffffffff, 0x00030002,
676 	0x9248, 0xffffffff, 0x00050004,
677 	0x9254, 0xffffffff, 0x00010006,
678 	0x9258, 0xffffffff, 0x00090008,
679 	0x925c, 0xffffffff, 0x00070000,
680 	0x9260, 0xffffffff, 0x00030002,
681 	0x9264, 0xffffffff, 0x00050004,
682 	0x9270, 0xffffffff, 0x00010006,
683 	0x9274, 0xffffffff, 0x00090008,
684 	0x9278, 0xffffffff, 0x00070000,
685 	0x927c, 0xffffffff, 0x00030002,
686 	0x9280, 0xffffffff, 0x00050004,
687 	0x928c, 0xffffffff, 0x00010006,
688 	0x9290, 0xffffffff, 0x00090008,
689 	0x9294, 0xffffffff, 0x00000000,
690 	0x929c, 0xffffffff, 0x00000001,
691 	0x802c, 0xffffffff, 0xc0000000,
692 	0x977c, 0xffffffff, 0x00000100,
693 	0x3f80, 0xffffffff, 0x00000100,
694 	0xa210, 0xffffffff, 0x00000100,
695 	0xa214, 0xffffffff, 0x00000100,
696 	0x4d8, 0xffffffff, 0x00000100,
697 	0x9784, 0xffffffff, 0x00000100,
698 	0x9698, 0xffffffff, 0x00000100,
699 	0x4d4, 0xffffffff, 0x00000200,
700 	0x30cc, 0xffffffff, 0x00000100,
701 	0x802c, 0xffffffff, 0xc0000000
702 };
703 
704 static const u32 supersumo_golden_registers[] =
705 {
706 	0x5eb4, 0xffffffff, 0x00000002,
707 	0x5c4, 0xffffffff, 0x00000001,
708 	0x7030, 0xffffffff, 0x00000011,
709 	0x7c30, 0xffffffff, 0x00000011,
710 	0x6104, 0x01000300, 0x00000000,
711 	0x5bc0, 0x00300000, 0x00000000,
712 	0x8c04, 0xffffffff, 0x40600060,
713 	0x8c08, 0xffffffff, 0x001c001c,
714 	0x8c20, 0xffffffff, 0x00800080,
715 	0x8c24, 0xffffffff, 0x00800080,
716 	0x8c18, 0xffffffff, 0x20202078,
717 	0x8c1c, 0xffffffff, 0x00001010,
718 	0x918c, 0xffffffff, 0x00010006,
719 	0x91a8, 0xffffffff, 0x00010006,
720 	0x91c4, 0xffffffff, 0x00010006,
721 	0x91e0, 0xffffffff, 0x00010006,
722 	0x9200, 0xffffffff, 0x00010006,
723 	0x9150, 0xffffffff, 0x6e944040,
724 	0x917c, 0xffffffff, 0x00030002,
725 	0x9180, 0xffffffff, 0x00050004,
726 	0x9198, 0xffffffff, 0x00030002,
727 	0x919c, 0xffffffff, 0x00050004,
728 	0x91b4, 0xffffffff, 0x00030002,
729 	0x91b8, 0xffffffff, 0x00050004,
730 	0x91d0, 0xffffffff, 0x00030002,
731 	0x91d4, 0xffffffff, 0x00050004,
732 	0x91f0, 0xffffffff, 0x00030002,
733 	0x91f4, 0xffffffff, 0x00050004,
734 	0x915c, 0xffffffff, 0x00010000,
735 	0x9160, 0xffffffff, 0x00030002,
736 	0x3f90, 0xffff0000, 0xff000000,
737 	0x9178, 0xffffffff, 0x00070000,
738 	0x9194, 0xffffffff, 0x00070000,
739 	0x91b0, 0xffffffff, 0x00070000,
740 	0x91cc, 0xffffffff, 0x00070000,
741 	0x91ec, 0xffffffff, 0x00070000,
742 	0x9148, 0xffff0000, 0xff000000,
743 	0x9190, 0xffffffff, 0x00090008,
744 	0x91ac, 0xffffffff, 0x00090008,
745 	0x91c8, 0xffffffff, 0x00090008,
746 	0x91e4, 0xffffffff, 0x00090008,
747 	0x9204, 0xffffffff, 0x00090008,
748 	0x3f94, 0xffff0000, 0xff000000,
749 	0x914c, 0xffff0000, 0xff000000,
750 	0x929c, 0xffffffff, 0x00000001,
751 	0x8a18, 0xffffffff, 0x00000100,
752 	0x8b28, 0xffffffff, 0x00000100,
753 	0x9144, 0xffffffff, 0x00000100,
754 	0x5644, 0xffffffff, 0x00000100,
755 	0x9b7c, 0xffffffff, 0x00000000,
756 	0x8030, 0xffffffff, 0x0000100a,
757 	0x8a14, 0xffffffff, 0x00000007,
758 	0x8b24, 0xffffffff, 0x00ff0fff,
759 	0x8b10, 0xffffffff, 0x00000000,
760 	0x28a4c, 0x06000000, 0x06000000,
761 	0x4d8, 0xffffffff, 0x00000100,
762 	0x913c, 0xffff000f, 0x0100000a,
763 	0x960c, 0xffffffff, 0x54763210,
764 	0x88c4, 0xffffffff, 0x000000c2,
765 	0x88d4, 0xffffffff, 0x00000010,
766 	0x8974, 0xffffffff, 0x00000000,
767 	0xc78, 0x00000080, 0x00000080,
768 	0x5e78, 0xffffffff, 0x001000f0,
769 	0xd02c, 0xffffffff, 0x08421000,
770 	0xa008, 0xffffffff, 0x00010000,
771 	0x8d00, 0xffffffff, 0x100e4848,
772 	0x8d04, 0xffffffff, 0x00164745,
773 	0x8c00, 0xffffffff, 0xe4000003,
774 	0x8cf0, 0x1fffffff, 0x08e00620,
775 	0x28350, 0xffffffff, 0x00000000,
776 	0x9508, 0xffffffff, 0x00000002
777 };
778 
779 static const u32 sumo_golden_registers[] =
780 {
781 	0x900c, 0x00ffffff, 0x0017071f,
782 	0x8c18, 0xffffffff, 0x10101060,
783 	0x8c1c, 0xffffffff, 0x00001010,
784 	0x8c30, 0x0000000f, 0x00000005,
785 	0x9688, 0x0000000f, 0x00000007
786 };
787 
788 static const u32 wrestler_golden_registers[] =
789 {
790 	0x5eb4, 0xffffffff, 0x00000002,
791 	0x5c4, 0xffffffff, 0x00000001,
792 	0x7030, 0xffffffff, 0x00000011,
793 	0x7c30, 0xffffffff, 0x00000011,
794 	0x6104, 0x01000300, 0x00000000,
795 	0x5bc0, 0x00300000, 0x00000000,
796 	0x918c, 0xffffffff, 0x00010006,
797 	0x91a8, 0xffffffff, 0x00010006,
798 	0x9150, 0xffffffff, 0x6e944040,
799 	0x917c, 0xffffffff, 0x00030002,
800 	0x9198, 0xffffffff, 0x00030002,
801 	0x915c, 0xffffffff, 0x00010000,
802 	0x3f90, 0xffff0000, 0xff000000,
803 	0x9178, 0xffffffff, 0x00070000,
804 	0x9194, 0xffffffff, 0x00070000,
805 	0x9148, 0xffff0000, 0xff000000,
806 	0x9190, 0xffffffff, 0x00090008,
807 	0x91ac, 0xffffffff, 0x00090008,
808 	0x3f94, 0xffff0000, 0xff000000,
809 	0x914c, 0xffff0000, 0xff000000,
810 	0x929c, 0xffffffff, 0x00000001,
811 	0x8a18, 0xffffffff, 0x00000100,
812 	0x8b28, 0xffffffff, 0x00000100,
813 	0x9144, 0xffffffff, 0x00000100,
814 	0x9b7c, 0xffffffff, 0x00000000,
815 	0x8030, 0xffffffff, 0x0000100a,
816 	0x8a14, 0xffffffff, 0x00000001,
817 	0x8b24, 0xffffffff, 0x00ff0fff,
818 	0x8b10, 0xffffffff, 0x00000000,
819 	0x28a4c, 0x06000000, 0x06000000,
820 	0x4d8, 0xffffffff, 0x00000100,
821 	0x913c, 0xffff000f, 0x0100000a,
822 	0x960c, 0xffffffff, 0x54763210,
823 	0x88c4, 0xffffffff, 0x000000c2,
824 	0x88d4, 0xffffffff, 0x00000010,
825 	0x8974, 0xffffffff, 0x00000000,
826 	0xc78, 0x00000080, 0x00000080,
827 	0x5e78, 0xffffffff, 0x001000f0,
828 	0xd02c, 0xffffffff, 0x08421000,
829 	0xa008, 0xffffffff, 0x00010000,
830 	0x8d00, 0xffffffff, 0x100e4848,
831 	0x8d04, 0xffffffff, 0x00164745,
832 	0x8c00, 0xffffffff, 0xe4000003,
833 	0x8cf0, 0x1fffffff, 0x08e00410,
834 	0x28350, 0xffffffff, 0x00000000,
835 	0x9508, 0xffffffff, 0x00000002,
836 	0x900c, 0xffffffff, 0x0017071f,
837 	0x8c18, 0xffffffff, 0x10101060,
838 	0x8c1c, 0xffffffff, 0x00001010
839 };
840 
841 static const u32 barts_golden_registers[] =
842 {
843 	0x5eb4, 0xffffffff, 0x00000002,
844 	0x5e78, 0x8f311ff1, 0x001000f0,
845 	0x3f90, 0xffff0000, 0xff000000,
846 	0x9148, 0xffff0000, 0xff000000,
847 	0x3f94, 0xffff0000, 0xff000000,
848 	0x914c, 0xffff0000, 0xff000000,
849 	0xc78, 0x00000080, 0x00000080,
850 	0xbd4, 0x70073777, 0x00010001,
851 	0xd02c, 0xbfffff1f, 0x08421000,
852 	0xd0b8, 0x03773777, 0x02011003,
853 	0x5bc0, 0x00200000, 0x50100000,
854 	0x98f8, 0x33773777, 0x02011003,
855 	0x98fc, 0xffffffff, 0x76543210,
856 	0x7030, 0x31000311, 0x00000011,
857 	0x2f48, 0x00000007, 0x02011003,
858 	0x6b28, 0x00000010, 0x00000012,
859 	0x7728, 0x00000010, 0x00000012,
860 	0x10328, 0x00000010, 0x00000012,
861 	0x10f28, 0x00000010, 0x00000012,
862 	0x11b28, 0x00000010, 0x00000012,
863 	0x12728, 0x00000010, 0x00000012,
864 	0x240c, 0x000007ff, 0x00000380,
865 	0x8a14, 0xf000001f, 0x00000007,
866 	0x8b24, 0x3fff3fff, 0x00ff0fff,
867 	0x8b10, 0x0000ff0f, 0x00000000,
868 	0x28a4c, 0x07ffffff, 0x06000000,
869 	0x10c, 0x00000001, 0x00010003,
870 	0xa02c, 0xffffffff, 0x0000009b,
871 	0x913c, 0x0000000f, 0x0100000a,
872 	0x8d00, 0xffff7f7f, 0x100e4848,
873 	0x8d04, 0x00ffffff, 0x00164745,
874 	0x8c00, 0xfffc0003, 0xe4000003,
875 	0x8c04, 0xf8ff00ff, 0x40600060,
876 	0x8c08, 0x00ff00ff, 0x001c001c,
877 	0x8cf0, 0x1fff1fff, 0x08e00620,
878 	0x8c20, 0x0fff0fff, 0x00800080,
879 	0x8c24, 0x0fff0fff, 0x00800080,
880 	0x8c18, 0xffffffff, 0x20202078,
881 	0x8c1c, 0x0000ffff, 0x00001010,
882 	0x28350, 0x00000f01, 0x00000000,
883 	0x9508, 0x3700001f, 0x00000002,
884 	0x960c, 0xffffffff, 0x54763210,
885 	0x88c4, 0x001f3ae3, 0x000000c2,
886 	0x88d4, 0x0000001f, 0x00000010,
887 	0x8974, 0xffffffff, 0x00000000
888 };
889 
890 static const u32 turks_golden_registers[] =
891 {
892 	0x5eb4, 0xffffffff, 0x00000002,
893 	0x5e78, 0x8f311ff1, 0x001000f0,
894 	0x8c8, 0x00003000, 0x00001070,
895 	0x8cc, 0x000fffff, 0x00040035,
896 	0x3f90, 0xffff0000, 0xfff00000,
897 	0x9148, 0xffff0000, 0xfff00000,
898 	0x3f94, 0xffff0000, 0xfff00000,
899 	0x914c, 0xffff0000, 0xfff00000,
900 	0xc78, 0x00000080, 0x00000080,
901 	0xbd4, 0x00073007, 0x00010002,
902 	0xd02c, 0xbfffff1f, 0x08421000,
903 	0xd0b8, 0x03773777, 0x02010002,
904 	0x5bc0, 0x00200000, 0x50100000,
905 	0x98f8, 0x33773777, 0x00010002,
906 	0x98fc, 0xffffffff, 0x33221100,
907 	0x7030, 0x31000311, 0x00000011,
908 	0x2f48, 0x33773777, 0x00010002,
909 	0x6b28, 0x00000010, 0x00000012,
910 	0x7728, 0x00000010, 0x00000012,
911 	0x10328, 0x00000010, 0x00000012,
912 	0x10f28, 0x00000010, 0x00000012,
913 	0x11b28, 0x00000010, 0x00000012,
914 	0x12728, 0x00000010, 0x00000012,
915 	0x240c, 0x000007ff, 0x00000380,
916 	0x8a14, 0xf000001f, 0x00000007,
917 	0x8b24, 0x3fff3fff, 0x00ff0fff,
918 	0x8b10, 0x0000ff0f, 0x00000000,
919 	0x28a4c, 0x07ffffff, 0x06000000,
920 	0x10c, 0x00000001, 0x00010003,
921 	0xa02c, 0xffffffff, 0x0000009b,
922 	0x913c, 0x0000000f, 0x0100000a,
923 	0x8d00, 0xffff7f7f, 0x100e4848,
924 	0x8d04, 0x00ffffff, 0x00164745,
925 	0x8c00, 0xfffc0003, 0xe4000003,
926 	0x8c04, 0xf8ff00ff, 0x40600060,
927 	0x8c08, 0x00ff00ff, 0x001c001c,
928 	0x8cf0, 0x1fff1fff, 0x08e00410,
929 	0x8c20, 0x0fff0fff, 0x00800080,
930 	0x8c24, 0x0fff0fff, 0x00800080,
931 	0x8c18, 0xffffffff, 0x20202078,
932 	0x8c1c, 0x0000ffff, 0x00001010,
933 	0x28350, 0x00000f01, 0x00000000,
934 	0x9508, 0x3700001f, 0x00000002,
935 	0x960c, 0xffffffff, 0x54763210,
936 	0x88c4, 0x001f3ae3, 0x000000c2,
937 	0x88d4, 0x0000001f, 0x00000010,
938 	0x8974, 0xffffffff, 0x00000000
939 };
940 
941 static const u32 caicos_golden_registers[] =
942 {
943 	0x5eb4, 0xffffffff, 0x00000002,
944 	0x5e78, 0x8f311ff1, 0x001000f0,
945 	0x8c8, 0x00003420, 0x00001450,
946 	0x8cc, 0x000fffff, 0x00040035,
947 	0x3f90, 0xffff0000, 0xfffc0000,
948 	0x9148, 0xffff0000, 0xfffc0000,
949 	0x3f94, 0xffff0000, 0xfffc0000,
950 	0x914c, 0xffff0000, 0xfffc0000,
951 	0xc78, 0x00000080, 0x00000080,
952 	0xbd4, 0x00073007, 0x00010001,
953 	0xd02c, 0xbfffff1f, 0x08421000,
954 	0xd0b8, 0x03773777, 0x02010001,
955 	0x5bc0, 0x00200000, 0x50100000,
956 	0x98f8, 0x33773777, 0x02010001,
957 	0x98fc, 0xffffffff, 0x33221100,
958 	0x7030, 0x31000311, 0x00000011,
959 	0x2f48, 0x33773777, 0x02010001,
960 	0x6b28, 0x00000010, 0x00000012,
961 	0x7728, 0x00000010, 0x00000012,
962 	0x10328, 0x00000010, 0x00000012,
963 	0x10f28, 0x00000010, 0x00000012,
964 	0x11b28, 0x00000010, 0x00000012,
965 	0x12728, 0x00000010, 0x00000012,
966 	0x240c, 0x000007ff, 0x00000380,
967 	0x8a14, 0xf000001f, 0x00000001,
968 	0x8b24, 0x3fff3fff, 0x00ff0fff,
969 	0x8b10, 0x0000ff0f, 0x00000000,
970 	0x28a4c, 0x07ffffff, 0x06000000,
971 	0x10c, 0x00000001, 0x00010003,
972 	0xa02c, 0xffffffff, 0x0000009b,
973 	0x913c, 0x0000000f, 0x0100000a,
974 	0x8d00, 0xffff7f7f, 0x100e4848,
975 	0x8d04, 0x00ffffff, 0x00164745,
976 	0x8c00, 0xfffc0003, 0xe4000003,
977 	0x8c04, 0xf8ff00ff, 0x40600060,
978 	0x8c08, 0x00ff00ff, 0x001c001c,
979 	0x8cf0, 0x1fff1fff, 0x08e00410,
980 	0x8c20, 0x0fff0fff, 0x00800080,
981 	0x8c24, 0x0fff0fff, 0x00800080,
982 	0x8c18, 0xffffffff, 0x20202078,
983 	0x8c1c, 0x0000ffff, 0x00001010,
984 	0x28350, 0x00000f01, 0x00000000,
985 	0x9508, 0x3700001f, 0x00000002,
986 	0x960c, 0xffffffff, 0x54763210,
987 	0x88c4, 0x001f3ae3, 0x000000c2,
988 	0x88d4, 0x0000001f, 0x00000010,
989 	0x8974, 0xffffffff, 0x00000000
990 };
991 
992 static void evergreen_init_golden_registers(struct radeon_device *rdev)
993 {
994 	switch (rdev->family) {
995 	case CHIP_CYPRESS:
996 	case CHIP_HEMLOCK:
997 		radeon_program_register_sequence(rdev,
998 						 evergreen_golden_registers,
999 						 (const u32)ARRAY_SIZE(evergreen_golden_registers));
1000 		radeon_program_register_sequence(rdev,
1001 						 evergreen_golden_registers2,
1002 						 (const u32)ARRAY_SIZE(evergreen_golden_registers2));
1003 		radeon_program_register_sequence(rdev,
1004 						 cypress_mgcg_init,
1005 						 (const u32)ARRAY_SIZE(cypress_mgcg_init));
1006 		break;
1007 	case CHIP_JUNIPER:
1008 		radeon_program_register_sequence(rdev,
1009 						 evergreen_golden_registers,
1010 						 (const u32)ARRAY_SIZE(evergreen_golden_registers));
1011 		radeon_program_register_sequence(rdev,
1012 						 evergreen_golden_registers2,
1013 						 (const u32)ARRAY_SIZE(evergreen_golden_registers2));
1014 		radeon_program_register_sequence(rdev,
1015 						 juniper_mgcg_init,
1016 						 (const u32)ARRAY_SIZE(juniper_mgcg_init));
1017 		break;
1018 	case CHIP_REDWOOD:
1019 		radeon_program_register_sequence(rdev,
1020 						 evergreen_golden_registers,
1021 						 (const u32)ARRAY_SIZE(evergreen_golden_registers));
1022 		radeon_program_register_sequence(rdev,
1023 						 evergreen_golden_registers2,
1024 						 (const u32)ARRAY_SIZE(evergreen_golden_registers2));
1025 		radeon_program_register_sequence(rdev,
1026 						 redwood_mgcg_init,
1027 						 (const u32)ARRAY_SIZE(redwood_mgcg_init));
1028 		break;
1029 	case CHIP_CEDAR:
1030 		radeon_program_register_sequence(rdev,
1031 						 cedar_golden_registers,
1032 						 (const u32)ARRAY_SIZE(cedar_golden_registers));
1033 		radeon_program_register_sequence(rdev,
1034 						 evergreen_golden_registers2,
1035 						 (const u32)ARRAY_SIZE(evergreen_golden_registers2));
1036 		radeon_program_register_sequence(rdev,
1037 						 cedar_mgcg_init,
1038 						 (const u32)ARRAY_SIZE(cedar_mgcg_init));
1039 		break;
1040 	case CHIP_PALM:
1041 		radeon_program_register_sequence(rdev,
1042 						 wrestler_golden_registers,
1043 						 (const u32)ARRAY_SIZE(wrestler_golden_registers));
1044 		break;
1045 	case CHIP_SUMO:
1046 		radeon_program_register_sequence(rdev,
1047 						 supersumo_golden_registers,
1048 						 (const u32)ARRAY_SIZE(supersumo_golden_registers));
1049 		break;
1050 	case CHIP_SUMO2:
1051 		radeon_program_register_sequence(rdev,
1052 						 supersumo_golden_registers,
1053 						 (const u32)ARRAY_SIZE(supersumo_golden_registers));
1054 		radeon_program_register_sequence(rdev,
1055 						 sumo_golden_registers,
1056 						 (const u32)ARRAY_SIZE(sumo_golden_registers));
1057 		break;
1058 	case CHIP_BARTS:
1059 		radeon_program_register_sequence(rdev,
1060 						 barts_golden_registers,
1061 						 (const u32)ARRAY_SIZE(barts_golden_registers));
1062 		break;
1063 	case CHIP_TURKS:
1064 		radeon_program_register_sequence(rdev,
1065 						 turks_golden_registers,
1066 						 (const u32)ARRAY_SIZE(turks_golden_registers));
1067 		break;
1068 	case CHIP_CAICOS:
1069 		radeon_program_register_sequence(rdev,
1070 						 caicos_golden_registers,
1071 						 (const u32)ARRAY_SIZE(caicos_golden_registers));
1072 		break;
1073 	default:
1074 		break;
1075 	}
1076 }
1077 
1078 /**
1079  * evergreen_get_allowed_info_register - fetch the register for the info ioctl
1080  *
1081  * @rdev: radeon_device pointer
1082  * @reg: register offset in bytes
1083  * @val: register value
1084  *
1085  * Returns 0 for success or -EINVAL for an invalid register
1086  *
1087  */
1088 int evergreen_get_allowed_info_register(struct radeon_device *rdev,
1089 					u32 reg, u32 *val)
1090 {
1091 	switch (reg) {
1092 	case GRBM_STATUS:
1093 	case GRBM_STATUS_SE0:
1094 	case GRBM_STATUS_SE1:
1095 	case SRBM_STATUS:
1096 	case SRBM_STATUS2:
1097 	case DMA_STATUS_REG:
1098 	case UVD_STATUS:
1099 		*val = RREG32(reg);
1100 		return 0;
1101 	default:
1102 		return -EINVAL;
1103 	}
1104 }
1105 
1106 void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw,
1107 			     unsigned *bankh, unsigned *mtaspect,
1108 			     unsigned *tile_split)
1109 {
1110 	*bankw = (tiling_flags >> RADEON_TILING_EG_BANKW_SHIFT) & RADEON_TILING_EG_BANKW_MASK;
1111 	*bankh = (tiling_flags >> RADEON_TILING_EG_BANKH_SHIFT) & RADEON_TILING_EG_BANKH_MASK;
1112 	*mtaspect = (tiling_flags >> RADEON_TILING_EG_MACRO_TILE_ASPECT_SHIFT) & RADEON_TILING_EG_MACRO_TILE_ASPECT_MASK;
1113 	*tile_split = (tiling_flags >> RADEON_TILING_EG_TILE_SPLIT_SHIFT) & RADEON_TILING_EG_TILE_SPLIT_MASK;
1114 	switch (*bankw) {
1115 	default:
1116 	case 1: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_1; break;
1117 	case 2: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_2; break;
1118 	case 4: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_4; break;
1119 	case 8: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_8; break;
1120 	}
1121 	switch (*bankh) {
1122 	default:
1123 	case 1: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_1; break;
1124 	case 2: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_2; break;
1125 	case 4: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_4; break;
1126 	case 8: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_8; break;
1127 	}
1128 	switch (*mtaspect) {
1129 	default:
1130 	case 1: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_1; break;
1131 	case 2: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_2; break;
1132 	case 4: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_4; break;
1133 	case 8: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_8; break;
1134 	}
1135 }
1136 
1137 static int sumo_set_uvd_clock(struct radeon_device *rdev, u32 clock,
1138 			      u32 cntl_reg, u32 status_reg)
1139 {
1140 	int r, i;
1141 	struct atom_clock_dividers dividers;
1142 
1143         r = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
1144 					   clock, false, &dividers);
1145 	if (r)
1146 		return r;
1147 
1148 	WREG32_P(cntl_reg, dividers.post_div, ~(DCLK_DIR_CNTL_EN|DCLK_DIVIDER_MASK));
1149 
1150 	for (i = 0; i < 100; i++) {
1151 		if (RREG32(status_reg) & DCLK_STATUS)
1152 			break;
1153 		mdelay(10);
1154 	}
1155 	if (i == 100)
1156 		return -ETIMEDOUT;
1157 
1158 	return 0;
1159 }
1160 
1161 int sumo_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
1162 {
1163 	int r = 0;
1164 	u32 cg_scratch = RREG32(CG_SCRATCH1);
1165 
1166 	r = sumo_set_uvd_clock(rdev, vclk, CG_VCLK_CNTL, CG_VCLK_STATUS);
1167 	if (r)
1168 		goto done;
1169 	cg_scratch &= 0xffff0000;
1170 	cg_scratch |= vclk / 100; /* Mhz */
1171 
1172 	r = sumo_set_uvd_clock(rdev, dclk, CG_DCLK_CNTL, CG_DCLK_STATUS);
1173 	if (r)
1174 		goto done;
1175 	cg_scratch &= 0x0000ffff;
1176 	cg_scratch |= (dclk / 100) << 16; /* Mhz */
1177 
1178 done:
1179 	WREG32(CG_SCRATCH1, cg_scratch);
1180 
1181 	return r;
1182 }
1183 
1184 int evergreen_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
1185 {
1186 	/* start off with something large */
1187 	unsigned fb_div = 0, vclk_div = 0, dclk_div = 0;
1188 	int r;
1189 
1190 	/* bypass vclk and dclk with bclk */
1191 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
1192 		VCLK_SRC_SEL(1) | DCLK_SRC_SEL(1),
1193 		~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
1194 
1195 	/* put PLL in bypass mode */
1196 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~UPLL_BYPASS_EN_MASK);
1197 
1198 	if (!vclk || !dclk) {
1199 		/* keep the Bypass mode, put PLL to sleep */
1200 		WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
1201 		return 0;
1202 	}
1203 
1204 	r = radeon_uvd_calc_upll_dividers(rdev, vclk, dclk, 125000, 250000,
1205 					  16384, 0x03FFFFFF, 0, 128, 5,
1206 					  &fb_div, &vclk_div, &dclk_div);
1207 	if (r)
1208 		return r;
1209 
1210 	/* set VCO_MODE to 1 */
1211 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_VCO_MODE_MASK, ~UPLL_VCO_MODE_MASK);
1212 
1213 	/* toggle UPLL_SLEEP to 1 then back to 0 */
1214 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
1215 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_SLEEP_MASK);
1216 
1217 	/* deassert UPLL_RESET */
1218 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
1219 
1220 	mdelay(1);
1221 
1222 	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
1223 	if (r)
1224 		return r;
1225 
1226 	/* assert UPLL_RESET again */
1227 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_RESET_MASK, ~UPLL_RESET_MASK);
1228 
1229 	/* disable spread spectrum. */
1230 	WREG32_P(CG_UPLL_SPREAD_SPECTRUM, 0, ~SSEN_MASK);
1231 
1232 	/* set feedback divider */
1233 	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(fb_div), ~UPLL_FB_DIV_MASK);
1234 
1235 	/* set ref divider to 0 */
1236 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_REF_DIV_MASK);
1237 
1238 	if (fb_div < 307200)
1239 		WREG32_P(CG_UPLL_FUNC_CNTL_4, 0, ~UPLL_SPARE_ISPARE9);
1240 	else
1241 		WREG32_P(CG_UPLL_FUNC_CNTL_4, UPLL_SPARE_ISPARE9, ~UPLL_SPARE_ISPARE9);
1242 
1243 	/* set PDIV_A and PDIV_B */
1244 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
1245 		UPLL_PDIV_A(vclk_div) | UPLL_PDIV_B(dclk_div),
1246 		~(UPLL_PDIV_A_MASK | UPLL_PDIV_B_MASK));
1247 
1248 	/* give the PLL some time to settle */
1249 	mdelay(15);
1250 
1251 	/* deassert PLL_RESET */
1252 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
1253 
1254 	mdelay(15);
1255 
1256 	/* switch from bypass mode to normal mode */
1257 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_BYPASS_EN_MASK);
1258 
1259 	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
1260 	if (r)
1261 		return r;
1262 
1263 	/* switch VCLK and DCLK selection */
1264 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
1265 		VCLK_SRC_SEL(2) | DCLK_SRC_SEL(2),
1266 		~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
1267 
1268 	mdelay(100);
1269 
1270 	return 0;
1271 }
1272 
1273 void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev)
1274 {
1275 	int readrq;
1276 	u16 v;
1277 
1278 	readrq = pcie_get_readrq(rdev->pdev);
1279 	v = ffs(readrq) - 8;
1280 	/* if bios or OS sets MAX_READ_REQUEST_SIZE to an invalid value, fix it
1281 	 * to avoid hangs or perfomance issues
1282 	 */
1283 	if ((v == 0) || (v == 6) || (v == 7))
1284 		pcie_set_readrq(rdev->pdev, 512);
1285 }
1286 
1287 void dce4_program_fmt(struct drm_encoder *encoder)
1288 {
1289 	struct drm_device *dev = encoder->dev;
1290 	struct radeon_device *rdev = dev->dev_private;
1291 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1292 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
1293 	struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
1294 	int bpc = 0;
1295 	u32 tmp = 0;
1296 	enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE;
1297 
1298 	if (connector) {
1299 		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1300 		bpc = radeon_get_monitor_bpc(connector);
1301 		dither = radeon_connector->dither;
1302 	}
1303 
1304 	/* LVDS/eDP FMT is set up by atom */
1305 	if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
1306 		return;
1307 
1308 	/* not needed for analog */
1309 	if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
1310 	    (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
1311 		return;
1312 
1313 	if (bpc == 0)
1314 		return;
1315 
1316 	switch (bpc) {
1317 	case 6:
1318 		if (dither == RADEON_FMT_DITHER_ENABLE)
1319 			/* XXX sort out optimal dither settings */
1320 			tmp |= (FMT_FRAME_RANDOM_ENABLE | FMT_HIGHPASS_RANDOM_ENABLE |
1321 				FMT_SPATIAL_DITHER_EN);
1322 		else
1323 			tmp |= FMT_TRUNCATE_EN;
1324 		break;
1325 	case 8:
1326 		if (dither == RADEON_FMT_DITHER_ENABLE)
1327 			/* XXX sort out optimal dither settings */
1328 			tmp |= (FMT_FRAME_RANDOM_ENABLE | FMT_HIGHPASS_RANDOM_ENABLE |
1329 				FMT_RGB_RANDOM_ENABLE |
1330 				FMT_SPATIAL_DITHER_EN | FMT_SPATIAL_DITHER_DEPTH);
1331 		else
1332 			tmp |= (FMT_TRUNCATE_EN | FMT_TRUNCATE_DEPTH);
1333 		break;
1334 	case 10:
1335 	default:
1336 		/* not needed */
1337 		break;
1338 	}
1339 
1340 	WREG32(FMT_BIT_DEPTH_CONTROL + radeon_crtc->crtc_offset, tmp);
1341 }
1342 
1343 static bool dce4_is_in_vblank(struct radeon_device *rdev, int crtc)
1344 {
1345 	if (RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK)
1346 		return true;
1347 	else
1348 		return false;
1349 }
1350 
1351 static bool dce4_is_counter_moving(struct radeon_device *rdev, int crtc)
1352 {
1353 	u32 pos1, pos2;
1354 
1355 	pos1 = RREG32(EVERGREEN_CRTC_STATUS_POSITION + crtc_offsets[crtc]);
1356 	pos2 = RREG32(EVERGREEN_CRTC_STATUS_POSITION + crtc_offsets[crtc]);
1357 
1358 	if (pos1 != pos2)
1359 		return true;
1360 	else
1361 		return false;
1362 }
1363 
1364 /**
1365  * dce4_wait_for_vblank - vblank wait asic callback.
1366  *
1367  * @rdev: radeon_device pointer
1368  * @crtc: crtc to wait for vblank on
1369  *
1370  * Wait for vblank on the requested crtc (evergreen+).
1371  */
1372 void dce4_wait_for_vblank(struct radeon_device *rdev, int crtc)
1373 {
1374 	unsigned i = 0;
1375 
1376 	if (crtc >= rdev->num_crtc)
1377 		return;
1378 
1379 	if (!(RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[crtc]) & EVERGREEN_CRTC_MASTER_EN))
1380 		return;
1381 
1382 	/* depending on when we hit vblank, we may be close to active; if so,
1383 	 * wait for another frame.
1384 	 */
1385 	while (dce4_is_in_vblank(rdev, crtc)) {
1386 		if (i++ % 100 == 0) {
1387 			if (!dce4_is_counter_moving(rdev, crtc))
1388 				break;
1389 		}
1390 	}
1391 
1392 	while (!dce4_is_in_vblank(rdev, crtc)) {
1393 		if (i++ % 100 == 0) {
1394 			if (!dce4_is_counter_moving(rdev, crtc))
1395 				break;
1396 		}
1397 	}
1398 }
1399 
1400 /**
1401  * evergreen_page_flip - pageflip callback.
1402  *
1403  * @rdev: radeon_device pointer
1404  * @crtc_id: crtc to cleanup pageflip on
1405  * @crtc_base: new address of the crtc (GPU MC address)
1406  *
1407  * Does the actual pageflip (evergreen+).
1408  * During vblank we take the crtc lock and wait for the update_pending
1409  * bit to go high, when it does, we release the lock, and allow the
1410  * double buffered update to take place.
1411  * Returns the current update pending status.
1412  */
1413 void evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
1414 {
1415 	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
1416 	u32 tmp = RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset);
1417 	int i;
1418 
1419 	/* Lock the graphics update lock */
1420 	tmp |= EVERGREEN_GRPH_UPDATE_LOCK;
1421 	WREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
1422 
1423 	/* update the scanout addresses */
1424 	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
1425 	       upper_32_bits(crtc_base));
1426 	WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1427 	       (u32)crtc_base);
1428 
1429 	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
1430 	       upper_32_bits(crtc_base));
1431 	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1432 	       (u32)crtc_base);
1433 
1434 	/* Wait for update_pending to go high. */
1435 	for (i = 0; i < rdev->usec_timeout; i++) {
1436 		if (RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING)
1437 			break;
1438 		udelay(1);
1439 	}
1440 	DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
1441 
1442 	/* Unlock the lock, so double-buffering can take place inside vblank */
1443 	tmp &= ~EVERGREEN_GRPH_UPDATE_LOCK;
1444 	WREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
1445 }
1446 
1447 /**
1448  * evergreen_page_flip_pending - check if page flip is still pending
1449  *
1450  * @rdev: radeon_device pointer
1451  * @crtc_id: crtc to check
1452  *
1453  * Returns the current update pending status.
1454  */
1455 bool evergreen_page_flip_pending(struct radeon_device *rdev, int crtc_id)
1456 {
1457 	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
1458 
1459 	/* Return current update_pending status: */
1460 	return !!(RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) &
1461 		EVERGREEN_GRPH_SURFACE_UPDATE_PENDING);
1462 }
1463 
1464 /* get temperature in millidegrees */
1465 int evergreen_get_temp(struct radeon_device *rdev)
1466 {
1467 	u32 temp, toffset;
1468 	int actual_temp = 0;
1469 
1470 	if (rdev->family == CHIP_JUNIPER) {
1471 		toffset = (RREG32(CG_THERMAL_CTRL) & TOFFSET_MASK) >>
1472 			TOFFSET_SHIFT;
1473 		temp = (RREG32(CG_TS0_STATUS) & TS0_ADC_DOUT_MASK) >>
1474 			TS0_ADC_DOUT_SHIFT;
1475 
1476 		if (toffset & 0x100)
1477 			actual_temp = temp / 2 - (0x200 - toffset);
1478 		else
1479 			actual_temp = temp / 2 + toffset;
1480 
1481 		actual_temp = actual_temp * 1000;
1482 
1483 	} else {
1484 		temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
1485 			ASIC_T_SHIFT;
1486 
1487 		if (temp & 0x400)
1488 			actual_temp = -256;
1489 		else if (temp & 0x200)
1490 			actual_temp = 255;
1491 		else if (temp & 0x100) {
1492 			actual_temp = temp & 0x1ff;
1493 			actual_temp |= ~0x1ff;
1494 		} else
1495 			actual_temp = temp & 0xff;
1496 
1497 		actual_temp = (actual_temp * 1000) / 2;
1498 	}
1499 
1500 	return actual_temp;
1501 }
1502 
1503 int sumo_get_temp(struct radeon_device *rdev)
1504 {
1505 	u32 temp = RREG32(CG_THERMAL_STATUS) & 0xff;
1506 	int actual_temp = temp - 49;
1507 
1508 	return actual_temp * 1000;
1509 }
1510 
1511 /**
1512  * sumo_pm_init_profile - Initialize power profiles callback.
1513  *
1514  * @rdev: radeon_device pointer
1515  *
1516  * Initialize the power states used in profile mode
1517  * (sumo, trinity, SI).
1518  * Used for profile mode only.
1519  */
1520 void sumo_pm_init_profile(struct radeon_device *rdev)
1521 {
1522 	int idx;
1523 
1524 	/* default */
1525 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
1526 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
1527 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
1528 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
1529 
1530 	/* low,mid sh/mh */
1531 	if (rdev->flags & RADEON_IS_MOBILITY)
1532 		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
1533 	else
1534 		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
1535 
1536 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
1537 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
1538 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
1539 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
1540 
1541 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
1542 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
1543 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
1544 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
1545 
1546 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
1547 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
1548 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
1549 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
1550 
1551 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
1552 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
1553 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
1554 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
1555 
1556 	/* high sh/mh */
1557 	idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
1558 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
1559 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
1560 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
1561 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx =
1562 		rdev->pm.power_state[idx].num_clock_modes - 1;
1563 
1564 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
1565 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
1566 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
1567 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx =
1568 		rdev->pm.power_state[idx].num_clock_modes - 1;
1569 }
1570 
1571 /**
1572  * btc_pm_init_profile - Initialize power profiles callback.
1573  *
1574  * @rdev: radeon_device pointer
1575  *
1576  * Initialize the power states used in profile mode
1577  * (BTC, cayman).
1578  * Used for profile mode only.
1579  */
1580 void btc_pm_init_profile(struct radeon_device *rdev)
1581 {
1582 	int idx;
1583 
1584 	/* default */
1585 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
1586 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
1587 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
1588 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
1589 	/* starting with BTC, there is one state that is used for both
1590 	 * MH and SH.  Difference is that we always use the high clock index for
1591 	 * mclk.
1592 	 */
1593 	if (rdev->flags & RADEON_IS_MOBILITY)
1594 		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
1595 	else
1596 		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
1597 	/* low sh */
1598 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
1599 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
1600 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
1601 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
1602 	/* mid sh */
1603 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
1604 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
1605 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
1606 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
1607 	/* high sh */
1608 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
1609 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
1610 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
1611 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
1612 	/* low mh */
1613 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
1614 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
1615 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
1616 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
1617 	/* mid mh */
1618 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
1619 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
1620 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
1621 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
1622 	/* high mh */
1623 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
1624 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
1625 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
1626 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
1627 }
1628 
1629 /**
1630  * evergreen_pm_misc - set additional pm hw parameters callback.
1631  *
1632  * @rdev: radeon_device pointer
1633  *
1634  * Set non-clock parameters associated with a power state
1635  * (voltage, etc.) (evergreen+).
1636  */
1637 void evergreen_pm_misc(struct radeon_device *rdev)
1638 {
1639 	int req_ps_idx = rdev->pm.requested_power_state_index;
1640 	int req_cm_idx = rdev->pm.requested_clock_mode_index;
1641 	struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
1642 	struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
1643 
1644 	if (voltage->type == VOLTAGE_SW) {
1645 		/* 0xff0x are flags rather then an actual voltage */
1646 		if ((voltage->voltage & 0xff00) == 0xff00)
1647 			return;
1648 		if (voltage->voltage && (voltage->voltage != rdev->pm.current_vddc)) {
1649 			radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
1650 			rdev->pm.current_vddc = voltage->voltage;
1651 			DRM_DEBUG("Setting: vddc: %d\n", voltage->voltage);
1652 		}
1653 
1654 		/* starting with BTC, there is one state that is used for both
1655 		 * MH and SH.  Difference is that we always use the high clock index for
1656 		 * mclk and vddci.
1657 		 */
1658 		if ((rdev->pm.pm_method == PM_METHOD_PROFILE) &&
1659 		    (rdev->family >= CHIP_BARTS) &&
1660 		    rdev->pm.active_crtc_count &&
1661 		    ((rdev->pm.profile_index == PM_PROFILE_MID_MH_IDX) ||
1662 		     (rdev->pm.profile_index == PM_PROFILE_LOW_MH_IDX)))
1663 			voltage = &rdev->pm.power_state[req_ps_idx].
1664 				clock_info[rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx].voltage;
1665 
1666 		/* 0xff0x are flags rather then an actual voltage */
1667 		if ((voltage->vddci & 0xff00) == 0xff00)
1668 			return;
1669 		if (voltage->vddci && (voltage->vddci != rdev->pm.current_vddci)) {
1670 			radeon_atom_set_voltage(rdev, voltage->vddci, SET_VOLTAGE_TYPE_ASIC_VDDCI);
1671 			rdev->pm.current_vddci = voltage->vddci;
1672 			DRM_DEBUG("Setting: vddci: %d\n", voltage->vddci);
1673 		}
1674 	}
1675 }
1676 
1677 /**
1678  * evergreen_pm_prepare - pre-power state change callback.
1679  *
1680  * @rdev: radeon_device pointer
1681  *
1682  * Prepare for a power state change (evergreen+).
1683  */
1684 void evergreen_pm_prepare(struct radeon_device *rdev)
1685 {
1686 	struct drm_device *ddev = rdev->ddev;
1687 	struct drm_crtc *crtc;
1688 	struct radeon_crtc *radeon_crtc;
1689 	u32 tmp;
1690 
1691 	/* disable any active CRTCs */
1692 	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
1693 		radeon_crtc = to_radeon_crtc(crtc);
1694 		if (radeon_crtc->enabled) {
1695 			tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
1696 			tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
1697 			WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
1698 		}
1699 	}
1700 }
1701 
1702 /**
1703  * evergreen_pm_finish - post-power state change callback.
1704  *
1705  * @rdev: radeon_device pointer
1706  *
1707  * Clean up after a power state change (evergreen+).
1708  */
1709 void evergreen_pm_finish(struct radeon_device *rdev)
1710 {
1711 	struct drm_device *ddev = rdev->ddev;
1712 	struct drm_crtc *crtc;
1713 	struct radeon_crtc *radeon_crtc;
1714 	u32 tmp;
1715 
1716 	/* enable any active CRTCs */
1717 	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
1718 		radeon_crtc = to_radeon_crtc(crtc);
1719 		if (radeon_crtc->enabled) {
1720 			tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
1721 			tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
1722 			WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
1723 		}
1724 	}
1725 }
1726 
1727 /**
1728  * evergreen_hpd_sense - hpd sense callback.
1729  *
1730  * @rdev: radeon_device pointer
1731  * @hpd: hpd (hotplug detect) pin
1732  *
1733  * Checks if a digital monitor is connected (evergreen+).
1734  * Returns true if connected, false if not connected.
1735  */
1736 bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
1737 {
1738 	bool connected = false;
1739 
1740 	switch (hpd) {
1741 	case RADEON_HPD_1:
1742 		if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
1743 			connected = true;
1744 		break;
1745 	case RADEON_HPD_2:
1746 		if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
1747 			connected = true;
1748 		break;
1749 	case RADEON_HPD_3:
1750 		if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
1751 			connected = true;
1752 		break;
1753 	case RADEON_HPD_4:
1754 		if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
1755 			connected = true;
1756 		break;
1757 	case RADEON_HPD_5:
1758 		if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
1759 			connected = true;
1760 		break;
1761 	case RADEON_HPD_6:
1762 		if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
1763 			connected = true;
1764 		break;
1765 	default:
1766 		break;
1767 	}
1768 
1769 	return connected;
1770 }
1771 
1772 /**
1773  * evergreen_hpd_set_polarity - hpd set polarity callback.
1774  *
1775  * @rdev: radeon_device pointer
1776  * @hpd: hpd (hotplug detect) pin
1777  *
1778  * Set the polarity of the hpd pin (evergreen+).
1779  */
1780 void evergreen_hpd_set_polarity(struct radeon_device *rdev,
1781 				enum radeon_hpd_id hpd)
1782 {
1783 	u32 tmp;
1784 	bool connected = evergreen_hpd_sense(rdev, hpd);
1785 
1786 	switch (hpd) {
1787 	case RADEON_HPD_1:
1788 		tmp = RREG32(DC_HPD1_INT_CONTROL);
1789 		if (connected)
1790 			tmp &= ~DC_HPDx_INT_POLARITY;
1791 		else
1792 			tmp |= DC_HPDx_INT_POLARITY;
1793 		WREG32(DC_HPD1_INT_CONTROL, tmp);
1794 		break;
1795 	case RADEON_HPD_2:
1796 		tmp = RREG32(DC_HPD2_INT_CONTROL);
1797 		if (connected)
1798 			tmp &= ~DC_HPDx_INT_POLARITY;
1799 		else
1800 			tmp |= DC_HPDx_INT_POLARITY;
1801 		WREG32(DC_HPD2_INT_CONTROL, tmp);
1802 		break;
1803 	case RADEON_HPD_3:
1804 		tmp = RREG32(DC_HPD3_INT_CONTROL);
1805 		if (connected)
1806 			tmp &= ~DC_HPDx_INT_POLARITY;
1807 		else
1808 			tmp |= DC_HPDx_INT_POLARITY;
1809 		WREG32(DC_HPD3_INT_CONTROL, tmp);
1810 		break;
1811 	case RADEON_HPD_4:
1812 		tmp = RREG32(DC_HPD4_INT_CONTROL);
1813 		if (connected)
1814 			tmp &= ~DC_HPDx_INT_POLARITY;
1815 		else
1816 			tmp |= DC_HPDx_INT_POLARITY;
1817 		WREG32(DC_HPD4_INT_CONTROL, tmp);
1818 		break;
1819 	case RADEON_HPD_5:
1820 		tmp = RREG32(DC_HPD5_INT_CONTROL);
1821 		if (connected)
1822 			tmp &= ~DC_HPDx_INT_POLARITY;
1823 		else
1824 			tmp |= DC_HPDx_INT_POLARITY;
1825 		WREG32(DC_HPD5_INT_CONTROL, tmp);
1826 			break;
1827 	case RADEON_HPD_6:
1828 		tmp = RREG32(DC_HPD6_INT_CONTROL);
1829 		if (connected)
1830 			tmp &= ~DC_HPDx_INT_POLARITY;
1831 		else
1832 			tmp |= DC_HPDx_INT_POLARITY;
1833 		WREG32(DC_HPD6_INT_CONTROL, tmp);
1834 		break;
1835 	default:
1836 		break;
1837 	}
1838 }
1839 
1840 /**
1841  * evergreen_hpd_init - hpd setup callback.
1842  *
1843  * @rdev: radeon_device pointer
1844  *
1845  * Setup the hpd pins used by the card (evergreen+).
1846  * Enable the pin, set the polarity, and enable the hpd interrupts.
1847  */
1848 void evergreen_hpd_init(struct radeon_device *rdev)
1849 {
1850 	struct drm_device *dev = rdev->ddev;
1851 	struct drm_connector *connector;
1852 	unsigned enabled = 0;
1853 	u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) |
1854 		DC_HPDx_RX_INT_TIMER(0xfa) | DC_HPDx_EN;
1855 
1856 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1857 		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1858 
1859 		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
1860 		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
1861 			/* don't try to enable hpd on eDP or LVDS avoid breaking the
1862 			 * aux dp channel on imac and help (but not completely fix)
1863 			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
1864 			 * also avoid interrupt storms during dpms.
1865 			 */
1866 			continue;
1867 		}
1868 		switch (radeon_connector->hpd.hpd) {
1869 		case RADEON_HPD_1:
1870 			WREG32(DC_HPD1_CONTROL, tmp);
1871 			break;
1872 		case RADEON_HPD_2:
1873 			WREG32(DC_HPD2_CONTROL, tmp);
1874 			break;
1875 		case RADEON_HPD_3:
1876 			WREG32(DC_HPD3_CONTROL, tmp);
1877 			break;
1878 		case RADEON_HPD_4:
1879 			WREG32(DC_HPD4_CONTROL, tmp);
1880 			break;
1881 		case RADEON_HPD_5:
1882 			WREG32(DC_HPD5_CONTROL, tmp);
1883 			break;
1884 		case RADEON_HPD_6:
1885 			WREG32(DC_HPD6_CONTROL, tmp);
1886 			break;
1887 		default:
1888 			break;
1889 		}
1890 		radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
1891 		enabled |= 1 << radeon_connector->hpd.hpd;
1892 	}
1893 	radeon_irq_kms_enable_hpd(rdev, enabled);
1894 }
1895 
1896 /**
1897  * evergreen_hpd_fini - hpd tear down callback.
1898  *
1899  * @rdev: radeon_device pointer
1900  *
1901  * Tear down the hpd pins used by the card (evergreen+).
1902  * Disable the hpd interrupts.
1903  */
1904 void evergreen_hpd_fini(struct radeon_device *rdev)
1905 {
1906 	struct drm_device *dev = rdev->ddev;
1907 	struct drm_connector *connector;
1908 	unsigned disabled = 0;
1909 
1910 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1911 		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1912 		switch (radeon_connector->hpd.hpd) {
1913 		case RADEON_HPD_1:
1914 			WREG32(DC_HPD1_CONTROL, 0);
1915 			break;
1916 		case RADEON_HPD_2:
1917 			WREG32(DC_HPD2_CONTROL, 0);
1918 			break;
1919 		case RADEON_HPD_3:
1920 			WREG32(DC_HPD3_CONTROL, 0);
1921 			break;
1922 		case RADEON_HPD_4:
1923 			WREG32(DC_HPD4_CONTROL, 0);
1924 			break;
1925 		case RADEON_HPD_5:
1926 			WREG32(DC_HPD5_CONTROL, 0);
1927 			break;
1928 		case RADEON_HPD_6:
1929 			WREG32(DC_HPD6_CONTROL, 0);
1930 			break;
1931 		default:
1932 			break;
1933 		}
1934 		disabled |= 1 << radeon_connector->hpd.hpd;
1935 	}
1936 	radeon_irq_kms_disable_hpd(rdev, disabled);
1937 }
1938 
1939 /* watermark setup */
1940 
1941 static u32 evergreen_line_buffer_adjust(struct radeon_device *rdev,
1942 					struct radeon_crtc *radeon_crtc,
1943 					struct drm_display_mode *mode,
1944 					struct drm_display_mode *other_mode)
1945 {
1946 	u32 tmp, buffer_alloc, i;
1947 	u32 pipe_offset = radeon_crtc->crtc_id * 0x20;
1948 	/*
1949 	 * Line Buffer Setup
1950 	 * There are 3 line buffers, each one shared by 2 display controllers.
1951 	 * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1952 	 * the display controllers.  The paritioning is done via one of four
1953 	 * preset allocations specified in bits 2:0:
1954 	 * first display controller
1955 	 *  0 - first half of lb (3840 * 2)
1956 	 *  1 - first 3/4 of lb (5760 * 2)
1957 	 *  2 - whole lb (7680 * 2), other crtc must be disabled
1958 	 *  3 - first 1/4 of lb (1920 * 2)
1959 	 * second display controller
1960 	 *  4 - second half of lb (3840 * 2)
1961 	 *  5 - second 3/4 of lb (5760 * 2)
1962 	 *  6 - whole lb (7680 * 2), other crtc must be disabled
1963 	 *  7 - last 1/4 of lb (1920 * 2)
1964 	 */
1965 	/* this can get tricky if we have two large displays on a paired group
1966 	 * of crtcs.  Ideally for multiple large displays we'd assign them to
1967 	 * non-linked crtcs for maximum line buffer allocation.
1968 	 */
1969 	if (radeon_crtc->base.enabled && mode) {
1970 		if (other_mode) {
1971 			tmp = 0; /* 1/2 */
1972 			buffer_alloc = 1;
1973 		} else {
1974 			tmp = 2; /* whole */
1975 			buffer_alloc = 2;
1976 		}
1977 	} else {
1978 		tmp = 0;
1979 		buffer_alloc = 0;
1980 	}
1981 
1982 	/* second controller of the pair uses second half of the lb */
1983 	if (radeon_crtc->crtc_id % 2)
1984 		tmp += 4;
1985 	WREG32(DC_LB_MEMORY_SPLIT + radeon_crtc->crtc_offset, tmp);
1986 
1987 	if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
1988 		WREG32(PIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1989 		       DMIF_BUFFERS_ALLOCATED(buffer_alloc));
1990 		for (i = 0; i < rdev->usec_timeout; i++) {
1991 			if (RREG32(PIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1992 			    DMIF_BUFFERS_ALLOCATED_COMPLETED)
1993 				break;
1994 			udelay(1);
1995 		}
1996 	}
1997 
1998 	if (radeon_crtc->base.enabled && mode) {
1999 		switch (tmp) {
2000 		case 0:
2001 		case 4:
2002 		default:
2003 			if (ASIC_IS_DCE5(rdev))
2004 				return 4096 * 2;
2005 			else
2006 				return 3840 * 2;
2007 		case 1:
2008 		case 5:
2009 			if (ASIC_IS_DCE5(rdev))
2010 				return 6144 * 2;
2011 			else
2012 				return 5760 * 2;
2013 		case 2:
2014 		case 6:
2015 			if (ASIC_IS_DCE5(rdev))
2016 				return 8192 * 2;
2017 			else
2018 				return 7680 * 2;
2019 		case 3:
2020 		case 7:
2021 			if (ASIC_IS_DCE5(rdev))
2022 				return 2048 * 2;
2023 			else
2024 				return 1920 * 2;
2025 		}
2026 	}
2027 
2028 	/* controller not enabled, so no lb used */
2029 	return 0;
2030 }
2031 
2032 u32 evergreen_get_number_of_dram_channels(struct radeon_device *rdev)
2033 {
2034 	u32 tmp = RREG32(MC_SHARED_CHMAP);
2035 
2036 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
2037 	case 0:
2038 	default:
2039 		return 1;
2040 	case 1:
2041 		return 2;
2042 	case 2:
2043 		return 4;
2044 	case 3:
2045 		return 8;
2046 	}
2047 }
2048 
2049 struct evergreen_wm_params {
2050 	u32 dram_channels; /* number of dram channels */
2051 	u32 yclk;          /* bandwidth per dram data pin in kHz */
2052 	u32 sclk;          /* engine clock in kHz */
2053 	u32 disp_clk;      /* display clock in kHz */
2054 	u32 src_width;     /* viewport width */
2055 	u32 active_time;   /* active display time in ns */
2056 	u32 blank_time;    /* blank time in ns */
2057 	bool interlaced;    /* mode is interlaced */
2058 	fixed20_12 vsc;    /* vertical scale ratio */
2059 	u32 num_heads;     /* number of active crtcs */
2060 	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
2061 	u32 lb_size;       /* line buffer allocated to pipe */
2062 	u32 vtaps;         /* vertical scaler taps */
2063 };
2064 
2065 static u32 evergreen_dram_bandwidth(struct evergreen_wm_params *wm)
2066 {
2067 	/* Calculate DRAM Bandwidth and the part allocated to display. */
2068 	fixed20_12 dram_efficiency; /* 0.7 */
2069 	fixed20_12 yclk, dram_channels, bandwidth;
2070 	fixed20_12 a;
2071 
2072 	a.full = dfixed_const(1000);
2073 	yclk.full = dfixed_const(wm->yclk);
2074 	yclk.full = dfixed_div(yclk, a);
2075 	dram_channels.full = dfixed_const(wm->dram_channels * 4);
2076 	a.full = dfixed_const(10);
2077 	dram_efficiency.full = dfixed_const(7);
2078 	dram_efficiency.full = dfixed_div(dram_efficiency, a);
2079 	bandwidth.full = dfixed_mul(dram_channels, yclk);
2080 	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
2081 
2082 	return dfixed_trunc(bandwidth);
2083 }
2084 
2085 static u32 evergreen_dram_bandwidth_for_display(struct evergreen_wm_params *wm)
2086 {
2087 	/* Calculate DRAM Bandwidth and the part allocated to display. */
2088 	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
2089 	fixed20_12 yclk, dram_channels, bandwidth;
2090 	fixed20_12 a;
2091 
2092 	a.full = dfixed_const(1000);
2093 	yclk.full = dfixed_const(wm->yclk);
2094 	yclk.full = dfixed_div(yclk, a);
2095 	dram_channels.full = dfixed_const(wm->dram_channels * 4);
2096 	a.full = dfixed_const(10);
2097 	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
2098 	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
2099 	bandwidth.full = dfixed_mul(dram_channels, yclk);
2100 	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
2101 
2102 	return dfixed_trunc(bandwidth);
2103 }
2104 
2105 static u32 evergreen_data_return_bandwidth(struct evergreen_wm_params *wm)
2106 {
2107 	/* Calculate the display Data return Bandwidth */
2108 	fixed20_12 return_efficiency; /* 0.8 */
2109 	fixed20_12 sclk, bandwidth;
2110 	fixed20_12 a;
2111 
2112 	a.full = dfixed_const(1000);
2113 	sclk.full = dfixed_const(wm->sclk);
2114 	sclk.full = dfixed_div(sclk, a);
2115 	a.full = dfixed_const(10);
2116 	return_efficiency.full = dfixed_const(8);
2117 	return_efficiency.full = dfixed_div(return_efficiency, a);
2118 	a.full = dfixed_const(32);
2119 	bandwidth.full = dfixed_mul(a, sclk);
2120 	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
2121 
2122 	return dfixed_trunc(bandwidth);
2123 }
2124 
2125 static u32 evergreen_dmif_request_bandwidth(struct evergreen_wm_params *wm)
2126 {
2127 	/* Calculate the DMIF Request Bandwidth */
2128 	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
2129 	fixed20_12 disp_clk, bandwidth;
2130 	fixed20_12 a;
2131 
2132 	a.full = dfixed_const(1000);
2133 	disp_clk.full = dfixed_const(wm->disp_clk);
2134 	disp_clk.full = dfixed_div(disp_clk, a);
2135 	a.full = dfixed_const(10);
2136 	disp_clk_request_efficiency.full = dfixed_const(8);
2137 	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
2138 	a.full = dfixed_const(32);
2139 	bandwidth.full = dfixed_mul(a, disp_clk);
2140 	bandwidth.full = dfixed_mul(bandwidth, disp_clk_request_efficiency);
2141 
2142 	return dfixed_trunc(bandwidth);
2143 }
2144 
2145 static u32 evergreen_available_bandwidth(struct evergreen_wm_params *wm)
2146 {
2147 	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
2148 	u32 dram_bandwidth = evergreen_dram_bandwidth(wm);
2149 	u32 data_return_bandwidth = evergreen_data_return_bandwidth(wm);
2150 	u32 dmif_req_bandwidth = evergreen_dmif_request_bandwidth(wm);
2151 
2152 	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
2153 }
2154 
2155 static u32 evergreen_average_bandwidth(struct evergreen_wm_params *wm)
2156 {
2157 	/* Calculate the display mode Average Bandwidth
2158 	 * DisplayMode should contain the source and destination dimensions,
2159 	 * timing, etc.
2160 	 */
2161 	fixed20_12 bpp;
2162 	fixed20_12 line_time;
2163 	fixed20_12 src_width;
2164 	fixed20_12 bandwidth;
2165 	fixed20_12 a;
2166 
2167 	a.full = dfixed_const(1000);
2168 	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
2169 	line_time.full = dfixed_div(line_time, a);
2170 	bpp.full = dfixed_const(wm->bytes_per_pixel);
2171 	src_width.full = dfixed_const(wm->src_width);
2172 	bandwidth.full = dfixed_mul(src_width, bpp);
2173 	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
2174 	bandwidth.full = dfixed_div(bandwidth, line_time);
2175 
2176 	return dfixed_trunc(bandwidth);
2177 }
2178 
2179 static u32 evergreen_latency_watermark(struct evergreen_wm_params *wm)
2180 {
2181 	/* First calcualte the latency in ns */
2182 	u32 mc_latency = 2000; /* 2000 ns. */
2183 	u32 available_bandwidth = evergreen_available_bandwidth(wm);
2184 	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
2185 	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
2186 	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
2187 	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
2188 		(wm->num_heads * cursor_line_pair_return_time);
2189 	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
2190 	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
2191 	fixed20_12 a, b, c;
2192 
2193 	if (wm->num_heads == 0)
2194 		return 0;
2195 
2196 	a.full = dfixed_const(2);
2197 	b.full = dfixed_const(1);
2198 	if ((wm->vsc.full > a.full) ||
2199 	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
2200 	    (wm->vtaps >= 5) ||
2201 	    ((wm->vsc.full >= a.full) && wm->interlaced))
2202 		max_src_lines_per_dst_line = 4;
2203 	else
2204 		max_src_lines_per_dst_line = 2;
2205 
2206 	a.full = dfixed_const(available_bandwidth);
2207 	b.full = dfixed_const(wm->num_heads);
2208 	a.full = dfixed_div(a, b);
2209 
2210 	b.full = dfixed_const(1000);
2211 	c.full = dfixed_const(wm->disp_clk);
2212 	b.full = dfixed_div(c, b);
2213 	c.full = dfixed_const(wm->bytes_per_pixel);
2214 	b.full = dfixed_mul(b, c);
2215 
2216 	lb_fill_bw = min(dfixed_trunc(a), dfixed_trunc(b));
2217 
2218 	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
2219 	b.full = dfixed_const(1000);
2220 	c.full = dfixed_const(lb_fill_bw);
2221 	b.full = dfixed_div(c, b);
2222 	a.full = dfixed_div(a, b);
2223 	line_fill_time = dfixed_trunc(a);
2224 
2225 	if (line_fill_time < wm->active_time)
2226 		return latency;
2227 	else
2228 		return latency + (line_fill_time - wm->active_time);
2229 
2230 }
2231 
2232 static bool evergreen_average_bandwidth_vs_dram_bandwidth_for_display(struct evergreen_wm_params *wm)
2233 {
2234 	if (evergreen_average_bandwidth(wm) <=
2235 	    (evergreen_dram_bandwidth_for_display(wm) / wm->num_heads))
2236 		return true;
2237 	else
2238 		return false;
2239 };
2240 
2241 static bool evergreen_average_bandwidth_vs_available_bandwidth(struct evergreen_wm_params *wm)
2242 {
2243 	if (evergreen_average_bandwidth(wm) <=
2244 	    (evergreen_available_bandwidth(wm) / wm->num_heads))
2245 		return true;
2246 	else
2247 		return false;
2248 };
2249 
2250 static bool evergreen_check_latency_hiding(struct evergreen_wm_params *wm)
2251 {
2252 	u32 lb_partitions = wm->lb_size / wm->src_width;
2253 	u32 line_time = wm->active_time + wm->blank_time;
2254 	u32 latency_tolerant_lines;
2255 	u32 latency_hiding;
2256 	fixed20_12 a;
2257 
2258 	a.full = dfixed_const(1);
2259 	if (wm->vsc.full > a.full)
2260 		latency_tolerant_lines = 1;
2261 	else {
2262 		if (lb_partitions <= (wm->vtaps + 1))
2263 			latency_tolerant_lines = 1;
2264 		else
2265 			latency_tolerant_lines = 2;
2266 	}
2267 
2268 	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
2269 
2270 	if (evergreen_latency_watermark(wm) <= latency_hiding)
2271 		return true;
2272 	else
2273 		return false;
2274 }
2275 
2276 static void evergreen_program_watermarks(struct radeon_device *rdev,
2277 					 struct radeon_crtc *radeon_crtc,
2278 					 u32 lb_size, u32 num_heads)
2279 {
2280 	struct drm_display_mode *mode = &radeon_crtc->base.mode;
2281 	struct evergreen_wm_params wm_low, wm_high;
2282 	u32 dram_channels;
2283 	u32 pixel_period;
2284 	u32 line_time = 0;
2285 	u32 latency_watermark_a = 0, latency_watermark_b = 0;
2286 	u32 priority_a_mark = 0, priority_b_mark = 0;
2287 	u32 priority_a_cnt = PRIORITY_OFF;
2288 	u32 priority_b_cnt = PRIORITY_OFF;
2289 	u32 pipe_offset = radeon_crtc->crtc_id * 16;
2290 	u32 tmp, arb_control3;
2291 	fixed20_12 a, b, c;
2292 
2293 	if (radeon_crtc->base.enabled && num_heads && mode) {
2294 		pixel_period = 1000000 / (u32)mode->clock;
2295 		line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
2296 		priority_a_cnt = 0;
2297 		priority_b_cnt = 0;
2298 		dram_channels = evergreen_get_number_of_dram_channels(rdev);
2299 
2300 		/* watermark for high clocks */
2301 		if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
2302 			wm_high.yclk =
2303 				radeon_dpm_get_mclk(rdev, false) * 10;
2304 			wm_high.sclk =
2305 				radeon_dpm_get_sclk(rdev, false) * 10;
2306 		} else {
2307 			wm_high.yclk = rdev->pm.current_mclk * 10;
2308 			wm_high.sclk = rdev->pm.current_sclk * 10;
2309 		}
2310 
2311 		wm_high.disp_clk = mode->clock;
2312 		wm_high.src_width = mode->crtc_hdisplay;
2313 		wm_high.active_time = mode->crtc_hdisplay * pixel_period;
2314 		wm_high.blank_time = line_time - wm_high.active_time;
2315 		wm_high.interlaced = false;
2316 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2317 			wm_high.interlaced = true;
2318 		wm_high.vsc = radeon_crtc->vsc;
2319 		wm_high.vtaps = 1;
2320 		if (radeon_crtc->rmx_type != RMX_OFF)
2321 			wm_high.vtaps = 2;
2322 		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
2323 		wm_high.lb_size = lb_size;
2324 		wm_high.dram_channels = dram_channels;
2325 		wm_high.num_heads = num_heads;
2326 
2327 		/* watermark for low clocks */
2328 		if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
2329 			wm_low.yclk =
2330 				radeon_dpm_get_mclk(rdev, true) * 10;
2331 			wm_low.sclk =
2332 				radeon_dpm_get_sclk(rdev, true) * 10;
2333 		} else {
2334 			wm_low.yclk = rdev->pm.current_mclk * 10;
2335 			wm_low.sclk = rdev->pm.current_sclk * 10;
2336 		}
2337 
2338 		wm_low.disp_clk = mode->clock;
2339 		wm_low.src_width = mode->crtc_hdisplay;
2340 		wm_low.active_time = mode->crtc_hdisplay * pixel_period;
2341 		wm_low.blank_time = line_time - wm_low.active_time;
2342 		wm_low.interlaced = false;
2343 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2344 			wm_low.interlaced = true;
2345 		wm_low.vsc = radeon_crtc->vsc;
2346 		wm_low.vtaps = 1;
2347 		if (radeon_crtc->rmx_type != RMX_OFF)
2348 			wm_low.vtaps = 2;
2349 		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
2350 		wm_low.lb_size = lb_size;
2351 		wm_low.dram_channels = dram_channels;
2352 		wm_low.num_heads = num_heads;
2353 
2354 		/* set for high clocks */
2355 		latency_watermark_a = min(evergreen_latency_watermark(&wm_high), (u32)65535);
2356 		/* set for low clocks */
2357 		latency_watermark_b = min(evergreen_latency_watermark(&wm_low), (u32)65535);
2358 
2359 		/* possibly force display priority to high */
2360 		/* should really do this at mode validation time... */
2361 		if (!evergreen_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
2362 		    !evergreen_average_bandwidth_vs_available_bandwidth(&wm_high) ||
2363 		    !evergreen_check_latency_hiding(&wm_high) ||
2364 		    (rdev->disp_priority == 2)) {
2365 			DRM_DEBUG_KMS("force priority a to high\n");
2366 			priority_a_cnt |= PRIORITY_ALWAYS_ON;
2367 		}
2368 		if (!evergreen_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
2369 		    !evergreen_average_bandwidth_vs_available_bandwidth(&wm_low) ||
2370 		    !evergreen_check_latency_hiding(&wm_low) ||
2371 		    (rdev->disp_priority == 2)) {
2372 			DRM_DEBUG_KMS("force priority b to high\n");
2373 			priority_b_cnt |= PRIORITY_ALWAYS_ON;
2374 		}
2375 
2376 		a.full = dfixed_const(1000);
2377 		b.full = dfixed_const(mode->clock);
2378 		b.full = dfixed_div(b, a);
2379 		c.full = dfixed_const(latency_watermark_a);
2380 		c.full = dfixed_mul(c, b);
2381 		c.full = dfixed_mul(c, radeon_crtc->hsc);
2382 		c.full = dfixed_div(c, a);
2383 		a.full = dfixed_const(16);
2384 		c.full = dfixed_div(c, a);
2385 		priority_a_mark = dfixed_trunc(c);
2386 		priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
2387 
2388 		a.full = dfixed_const(1000);
2389 		b.full = dfixed_const(mode->clock);
2390 		b.full = dfixed_div(b, a);
2391 		c.full = dfixed_const(latency_watermark_b);
2392 		c.full = dfixed_mul(c, b);
2393 		c.full = dfixed_mul(c, radeon_crtc->hsc);
2394 		c.full = dfixed_div(c, a);
2395 		a.full = dfixed_const(16);
2396 		c.full = dfixed_div(c, a);
2397 		priority_b_mark = dfixed_trunc(c);
2398 		priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
2399 	}
2400 
2401 	/* select wm A */
2402 	arb_control3 = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset);
2403 	tmp = arb_control3;
2404 	tmp &= ~LATENCY_WATERMARK_MASK(3);
2405 	tmp |= LATENCY_WATERMARK_MASK(1);
2406 	WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp);
2407 	WREG32(PIPE0_LATENCY_CONTROL + pipe_offset,
2408 	       (LATENCY_LOW_WATERMARK(latency_watermark_a) |
2409 		LATENCY_HIGH_WATERMARK(line_time)));
2410 	/* select wm B */
2411 	tmp = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset);
2412 	tmp &= ~LATENCY_WATERMARK_MASK(3);
2413 	tmp |= LATENCY_WATERMARK_MASK(2);
2414 	WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp);
2415 	WREG32(PIPE0_LATENCY_CONTROL + pipe_offset,
2416 	       (LATENCY_LOW_WATERMARK(latency_watermark_b) |
2417 		LATENCY_HIGH_WATERMARK(line_time)));
2418 	/* restore original selection */
2419 	WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, arb_control3);
2420 
2421 	/* write the priority marks */
2422 	WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt);
2423 	WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt);
2424 
2425 	/* save values for DPM */
2426 	radeon_crtc->line_time = line_time;
2427 	radeon_crtc->wm_high = latency_watermark_a;
2428 	radeon_crtc->wm_low = latency_watermark_b;
2429 }
2430 
2431 /**
2432  * evergreen_bandwidth_update - update display watermarks callback.
2433  *
2434  * @rdev: radeon_device pointer
2435  *
2436  * Update the display watermarks based on the requested mode(s)
2437  * (evergreen+).
2438  */
2439 void evergreen_bandwidth_update(struct radeon_device *rdev)
2440 {
2441 	struct drm_display_mode *mode0 = NULL;
2442 	struct drm_display_mode *mode1 = NULL;
2443 	u32 num_heads = 0, lb_size;
2444 	int i;
2445 
2446 	if (!rdev->mode_info.mode_config_initialized)
2447 		return;
2448 
2449 	radeon_update_display_priority(rdev);
2450 
2451 	for (i = 0; i < rdev->num_crtc; i++) {
2452 		if (rdev->mode_info.crtcs[i]->base.enabled)
2453 			num_heads++;
2454 	}
2455 	for (i = 0; i < rdev->num_crtc; i += 2) {
2456 		mode0 = &rdev->mode_info.crtcs[i]->base.mode;
2457 		mode1 = &rdev->mode_info.crtcs[i+1]->base.mode;
2458 		lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i], mode0, mode1);
2459 		evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i], lb_size, num_heads);
2460 		lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i+1], mode1, mode0);
2461 		evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i+1], lb_size, num_heads);
2462 	}
2463 }
2464 
2465 /**
2466  * evergreen_mc_wait_for_idle - wait for MC idle callback.
2467  *
2468  * @rdev: radeon_device pointer
2469  *
2470  * Wait for the MC (memory controller) to be idle.
2471  * (evergreen+).
2472  * Returns 0 if the MC is idle, -1 if not.
2473  */
2474 int evergreen_mc_wait_for_idle(struct radeon_device *rdev)
2475 {
2476 	unsigned i;
2477 	u32 tmp;
2478 
2479 	for (i = 0; i < rdev->usec_timeout; i++) {
2480 		/* read MC_STATUS */
2481 		tmp = RREG32(SRBM_STATUS) & 0x1F00;
2482 		if (!tmp)
2483 			return 0;
2484 		udelay(1);
2485 	}
2486 	return -1;
2487 }
2488 
2489 /*
2490  * GART
2491  */
2492 void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev)
2493 {
2494 	unsigned i;
2495 	u32 tmp;
2496 
2497 	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
2498 
2499 	WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
2500 	for (i = 0; i < rdev->usec_timeout; i++) {
2501 		/* read MC_STATUS */
2502 		tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
2503 		tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
2504 		if (tmp == 2) {
2505 			printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
2506 			return;
2507 		}
2508 		if (tmp) {
2509 			return;
2510 		}
2511 		udelay(1);
2512 	}
2513 }
2514 
2515 static int evergreen_pcie_gart_enable(struct radeon_device *rdev)
2516 {
2517 	u32 tmp;
2518 	int r;
2519 
2520 	if (rdev->gart.robj == NULL) {
2521 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
2522 		return -EINVAL;
2523 	}
2524 	r = radeon_gart_table_vram_pin(rdev);
2525 	if (r)
2526 		return r;
2527 	/* Setup L2 cache */
2528 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
2529 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
2530 				EFFECTIVE_L2_QUEUE_SIZE(7));
2531 	WREG32(VM_L2_CNTL2, 0);
2532 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
2533 	/* Setup TLB control */
2534 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
2535 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
2536 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
2537 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
2538 	if (rdev->flags & RADEON_IS_IGP) {
2539 		WREG32(FUS_MC_VM_MD_L1_TLB0_CNTL, tmp);
2540 		WREG32(FUS_MC_VM_MD_L1_TLB1_CNTL, tmp);
2541 		WREG32(FUS_MC_VM_MD_L1_TLB2_CNTL, tmp);
2542 	} else {
2543 		WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
2544 		WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
2545 		WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
2546 		if ((rdev->family == CHIP_JUNIPER) ||
2547 		    (rdev->family == CHIP_CYPRESS) ||
2548 		    (rdev->family == CHIP_HEMLOCK) ||
2549 		    (rdev->family == CHIP_BARTS))
2550 			WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp);
2551 	}
2552 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
2553 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
2554 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
2555 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
2556 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
2557 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
2558 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
2559 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
2560 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
2561 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
2562 			(u32)(rdev->dummy_page.addr >> 12));
2563 	WREG32(VM_CONTEXT1_CNTL, 0);
2564 
2565 	evergreen_pcie_gart_tlb_flush(rdev);
2566 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
2567 		 (unsigned)(rdev->mc.gtt_size >> 20),
2568 		 (unsigned long long)rdev->gart.table_addr);
2569 	rdev->gart.ready = true;
2570 	return 0;
2571 }
2572 
2573 static void evergreen_pcie_gart_disable(struct radeon_device *rdev)
2574 {
2575 	u32 tmp;
2576 
2577 	/* Disable all tables */
2578 	WREG32(VM_CONTEXT0_CNTL, 0);
2579 	WREG32(VM_CONTEXT1_CNTL, 0);
2580 
2581 	/* Setup L2 cache */
2582 	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
2583 				EFFECTIVE_L2_QUEUE_SIZE(7));
2584 	WREG32(VM_L2_CNTL2, 0);
2585 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
2586 	/* Setup TLB control */
2587 	tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
2588 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
2589 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
2590 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
2591 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
2592 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
2593 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
2594 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
2595 	radeon_gart_table_vram_unpin(rdev);
2596 }
2597 
2598 static void evergreen_pcie_gart_fini(struct radeon_device *rdev)
2599 {
2600 	evergreen_pcie_gart_disable(rdev);
2601 	radeon_gart_table_vram_free(rdev);
2602 	radeon_gart_fini(rdev);
2603 }
2604 
2605 
2606 static void evergreen_agp_enable(struct radeon_device *rdev)
2607 {
2608 	u32 tmp;
2609 
2610 	/* Setup L2 cache */
2611 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
2612 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
2613 				EFFECTIVE_L2_QUEUE_SIZE(7));
2614 	WREG32(VM_L2_CNTL2, 0);
2615 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
2616 	/* Setup TLB control */
2617 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
2618 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
2619 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
2620 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
2621 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
2622 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
2623 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
2624 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
2625 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
2626 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
2627 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
2628 	WREG32(VM_CONTEXT0_CNTL, 0);
2629 	WREG32(VM_CONTEXT1_CNTL, 0);
2630 }
2631 
2632 void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
2633 {
2634 	u32 crtc_enabled, tmp, frame_count, blackout;
2635 	int i, j;
2636 
2637 	if (!ASIC_IS_NODCE(rdev)) {
2638 		save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
2639 		save->vga_hdp_control = RREG32(VGA_HDP_CONTROL);
2640 
2641 		/* disable VGA render */
2642 		WREG32(VGA_RENDER_CONTROL, 0);
2643 	}
2644 	/* blank the display controllers */
2645 	for (i = 0; i < rdev->num_crtc; i++) {
2646 		crtc_enabled = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]) & EVERGREEN_CRTC_MASTER_EN;
2647 		if (crtc_enabled) {
2648 			save->crtc_enabled[i] = true;
2649 			if (ASIC_IS_DCE6(rdev)) {
2650 				tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
2651 				if (!(tmp & EVERGREEN_CRTC_BLANK_DATA_EN)) {
2652 					radeon_wait_for_vblank(rdev, i);
2653 					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2654 					tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
2655 					WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
2656 					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2657 				}
2658 			} else {
2659 				tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
2660 				if (!(tmp & EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE)) {
2661 					radeon_wait_for_vblank(rdev, i);
2662 					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2663 					tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
2664 					WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
2665 					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2666 				}
2667 			}
2668 			/* wait for the next frame */
2669 			frame_count = radeon_get_vblank_counter(rdev, i);
2670 			for (j = 0; j < rdev->usec_timeout; j++) {
2671 				if (radeon_get_vblank_counter(rdev, i) != frame_count)
2672 					break;
2673 				udelay(1);
2674 			}
2675 
2676 			/* XXX this is a hack to avoid strange behavior with EFI on certain systems */
2677 			WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2678 			tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
2679 			tmp &= ~EVERGREEN_CRTC_MASTER_EN;
2680 			WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
2681 			WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2682 			save->crtc_enabled[i] = false;
2683 			/* ***** */
2684 		} else {
2685 			save->crtc_enabled[i] = false;
2686 		}
2687 	}
2688 
2689 	radeon_mc_wait_for_idle(rdev);
2690 
2691 	blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
2692 	if ((blackout & BLACKOUT_MODE_MASK) != 1) {
2693 		/* Block CPU access */
2694 		WREG32(BIF_FB_EN, 0);
2695 		/* blackout the MC */
2696 		blackout &= ~BLACKOUT_MODE_MASK;
2697 		WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1);
2698 	}
2699 	/* wait for the MC to settle */
2700 	udelay(100);
2701 
2702 	/* lock double buffered regs */
2703 	for (i = 0; i < rdev->num_crtc; i++) {
2704 		if (save->crtc_enabled[i]) {
2705 			tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]);
2706 			if (!(tmp & EVERGREEN_GRPH_UPDATE_LOCK)) {
2707 				tmp |= EVERGREEN_GRPH_UPDATE_LOCK;
2708 				WREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i], tmp);
2709 			}
2710 			tmp = RREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i]);
2711 			if (!(tmp & 1)) {
2712 				tmp |= 1;
2713 				WREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
2714 			}
2715 		}
2716 	}
2717 }
2718 
2719 void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
2720 {
2721 	u32 tmp, frame_count;
2722 	int i, j;
2723 
2724 	/* update crtc base addresses */
2725 	for (i = 0; i < rdev->num_crtc; i++) {
2726 		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
2727 		       upper_32_bits(rdev->mc.vram_start));
2728 		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
2729 		       upper_32_bits(rdev->mc.vram_start));
2730 		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
2731 		       (u32)rdev->mc.vram_start);
2732 		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
2733 		       (u32)rdev->mc.vram_start);
2734 	}
2735 
2736 	if (!ASIC_IS_NODCE(rdev)) {
2737 		WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
2738 		WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
2739 	}
2740 
2741 	/* unlock regs and wait for update */
2742 	for (i = 0; i < rdev->num_crtc; i++) {
2743 		if (save->crtc_enabled[i]) {
2744 			tmp = RREG32(EVERGREEN_MASTER_UPDATE_MODE + crtc_offsets[i]);
2745 			if ((tmp & 0x7) != 3) {
2746 				tmp &= ~0x7;
2747 				tmp |= 0x3;
2748 				WREG32(EVERGREEN_MASTER_UPDATE_MODE + crtc_offsets[i], tmp);
2749 			}
2750 			tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]);
2751 			if (tmp & EVERGREEN_GRPH_UPDATE_LOCK) {
2752 				tmp &= ~EVERGREEN_GRPH_UPDATE_LOCK;
2753 				WREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i], tmp);
2754 			}
2755 			tmp = RREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i]);
2756 			if (tmp & 1) {
2757 				tmp &= ~1;
2758 				WREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
2759 			}
2760 			for (j = 0; j < rdev->usec_timeout; j++) {
2761 				tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]);
2762 				if ((tmp & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING) == 0)
2763 					break;
2764 				udelay(1);
2765 			}
2766 		}
2767 	}
2768 
2769 	/* unblackout the MC */
2770 	tmp = RREG32(MC_SHARED_BLACKOUT_CNTL);
2771 	tmp &= ~BLACKOUT_MODE_MASK;
2772 	WREG32(MC_SHARED_BLACKOUT_CNTL, tmp);
2773 	/* allow CPU access */
2774 	WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
2775 
2776 	for (i = 0; i < rdev->num_crtc; i++) {
2777 		if (save->crtc_enabled[i]) {
2778 			if (ASIC_IS_DCE6(rdev)) {
2779 				tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
2780 				tmp &= ~EVERGREEN_CRTC_BLANK_DATA_EN;
2781 				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2782 				WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
2783 				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2784 			} else {
2785 				tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
2786 				tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
2787 				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2788 				WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
2789 				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2790 			}
2791 			/* wait for the next frame */
2792 			frame_count = radeon_get_vblank_counter(rdev, i);
2793 			for (j = 0; j < rdev->usec_timeout; j++) {
2794 				if (radeon_get_vblank_counter(rdev, i) != frame_count)
2795 					break;
2796 				udelay(1);
2797 			}
2798 		}
2799 	}
2800 	if (!ASIC_IS_NODCE(rdev)) {
2801 		/* Unlock vga access */
2802 		WREG32(VGA_HDP_CONTROL, save->vga_hdp_control);
2803 		mdelay(1);
2804 		WREG32(VGA_RENDER_CONTROL, save->vga_render_control);
2805 	}
2806 }
2807 
2808 void evergreen_mc_program(struct radeon_device *rdev)
2809 {
2810 	struct evergreen_mc_save save;
2811 	u32 tmp;
2812 	int i, j;
2813 
2814 	/* Initialize HDP */
2815 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
2816 		WREG32((0x2c14 + j), 0x00000000);
2817 		WREG32((0x2c18 + j), 0x00000000);
2818 		WREG32((0x2c1c + j), 0x00000000);
2819 		WREG32((0x2c20 + j), 0x00000000);
2820 		WREG32((0x2c24 + j), 0x00000000);
2821 	}
2822 	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
2823 
2824 	evergreen_mc_stop(rdev, &save);
2825 	if (evergreen_mc_wait_for_idle(rdev)) {
2826 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
2827 	}
2828 	/* Lockout access through VGA aperture*/
2829 	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
2830 	/* Update configuration */
2831 	if (rdev->flags & RADEON_IS_AGP) {
2832 		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
2833 			/* VRAM before AGP */
2834 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
2835 				rdev->mc.vram_start >> 12);
2836 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
2837 				rdev->mc.gtt_end >> 12);
2838 		} else {
2839 			/* VRAM after AGP */
2840 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
2841 				rdev->mc.gtt_start >> 12);
2842 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
2843 				rdev->mc.vram_end >> 12);
2844 		}
2845 	} else {
2846 		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
2847 			rdev->mc.vram_start >> 12);
2848 		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
2849 			rdev->mc.vram_end >> 12);
2850 	}
2851 	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
2852 	/* llano/ontario only */
2853 	if ((rdev->family == CHIP_PALM) ||
2854 	    (rdev->family == CHIP_SUMO) ||
2855 	    (rdev->family == CHIP_SUMO2)) {
2856 		tmp = RREG32(MC_FUS_VM_FB_OFFSET) & 0x000FFFFF;
2857 		tmp |= ((rdev->mc.vram_end >> 20) & 0xF) << 24;
2858 		tmp |= ((rdev->mc.vram_start >> 20) & 0xF) << 20;
2859 		WREG32(MC_FUS_VM_FB_OFFSET, tmp);
2860 	}
2861 	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
2862 	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
2863 	WREG32(MC_VM_FB_LOCATION, tmp);
2864 	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
2865 	WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
2866 	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
2867 	if (rdev->flags & RADEON_IS_AGP) {
2868 		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
2869 		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
2870 		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
2871 	} else {
2872 		WREG32(MC_VM_AGP_BASE, 0);
2873 		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
2874 		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
2875 	}
2876 	if (evergreen_mc_wait_for_idle(rdev)) {
2877 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
2878 	}
2879 	evergreen_mc_resume(rdev, &save);
2880 	/* we need to own VRAM, so turn off the VGA renderer here
2881 	 * to stop it overwriting our objects */
2882 	rv515_vga_render_disable(rdev);
2883 }
2884 
2885 /*
2886  * CP.
2887  */
2888 void evergreen_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
2889 {
2890 	struct radeon_ring *ring = &rdev->ring[ib->ring];
2891 	u32 next_rptr;
2892 
2893 	/* set to DX10/11 mode */
2894 	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
2895 	radeon_ring_write(ring, 1);
2896 
2897 	if (ring->rptr_save_reg) {
2898 		next_rptr = ring->wptr + 3 + 4;
2899 		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2900 		radeon_ring_write(ring, ((ring->rptr_save_reg -
2901 					  PACKET3_SET_CONFIG_REG_START) >> 2));
2902 		radeon_ring_write(ring, next_rptr);
2903 	} else if (rdev->wb.enabled) {
2904 		next_rptr = ring->wptr + 5 + 4;
2905 		radeon_ring_write(ring, PACKET3(PACKET3_MEM_WRITE, 3));
2906 		radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
2907 		radeon_ring_write(ring, (upper_32_bits(ring->next_rptr_gpu_addr) & 0xff) | (1 << 18));
2908 		radeon_ring_write(ring, next_rptr);
2909 		radeon_ring_write(ring, 0);
2910 	}
2911 
2912 	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
2913 	radeon_ring_write(ring,
2914 #ifdef __BIG_ENDIAN
2915 			  (2 << 0) |
2916 #endif
2917 			  (ib->gpu_addr & 0xFFFFFFFC));
2918 	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
2919 	radeon_ring_write(ring, ib->length_dw);
2920 }
2921 
2922 
2923 static int evergreen_cp_load_microcode(struct radeon_device *rdev)
2924 {
2925 	const __be32 *fw_data;
2926 	int i;
2927 
2928 	if (!rdev->me_fw || !rdev->pfp_fw)
2929 		return -EINVAL;
2930 
2931 	r700_cp_stop(rdev);
2932 	WREG32(CP_RB_CNTL,
2933 #ifdef __BIG_ENDIAN
2934 	       BUF_SWAP_32BIT |
2935 #endif
2936 	       RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
2937 
2938 	fw_data = (const __be32 *)rdev->pfp_fw->data;
2939 	WREG32(CP_PFP_UCODE_ADDR, 0);
2940 	for (i = 0; i < EVERGREEN_PFP_UCODE_SIZE; i++)
2941 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
2942 	WREG32(CP_PFP_UCODE_ADDR, 0);
2943 
2944 	fw_data = (const __be32 *)rdev->me_fw->data;
2945 	WREG32(CP_ME_RAM_WADDR, 0);
2946 	for (i = 0; i < EVERGREEN_PM4_UCODE_SIZE; i++)
2947 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
2948 
2949 	WREG32(CP_PFP_UCODE_ADDR, 0);
2950 	WREG32(CP_ME_RAM_WADDR, 0);
2951 	WREG32(CP_ME_RAM_RADDR, 0);
2952 	return 0;
2953 }
2954 
2955 static int evergreen_cp_start(struct radeon_device *rdev)
2956 {
2957 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2958 	int r, i;
2959 	uint32_t cp_me;
2960 
2961 	r = radeon_ring_lock(rdev, ring, 7);
2962 	if (r) {
2963 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
2964 		return r;
2965 	}
2966 	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
2967 	radeon_ring_write(ring, 0x1);
2968 	radeon_ring_write(ring, 0x0);
2969 	radeon_ring_write(ring, rdev->config.evergreen.max_hw_contexts - 1);
2970 	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
2971 	radeon_ring_write(ring, 0);
2972 	radeon_ring_write(ring, 0);
2973 	radeon_ring_unlock_commit(rdev, ring, false);
2974 
2975 	cp_me = 0xff;
2976 	WREG32(CP_ME_CNTL, cp_me);
2977 
2978 	r = radeon_ring_lock(rdev, ring, evergreen_default_size + 19);
2979 	if (r) {
2980 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
2981 		return r;
2982 	}
2983 
2984 	/* setup clear context state */
2985 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
2986 	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
2987 
2988 	for (i = 0; i < evergreen_default_size; i++)
2989 		radeon_ring_write(ring, evergreen_default_state[i]);
2990 
2991 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
2992 	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
2993 
2994 	/* set clear context state */
2995 	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
2996 	radeon_ring_write(ring, 0);
2997 
2998 	/* SQ_VTX_BASE_VTX_LOC */
2999 	radeon_ring_write(ring, 0xc0026f00);
3000 	radeon_ring_write(ring, 0x00000000);
3001 	radeon_ring_write(ring, 0x00000000);
3002 	radeon_ring_write(ring, 0x00000000);
3003 
3004 	/* Clear consts */
3005 	radeon_ring_write(ring, 0xc0036f00);
3006 	radeon_ring_write(ring, 0x00000bc4);
3007 	radeon_ring_write(ring, 0xffffffff);
3008 	radeon_ring_write(ring, 0xffffffff);
3009 	radeon_ring_write(ring, 0xffffffff);
3010 
3011 	radeon_ring_write(ring, 0xc0026900);
3012 	radeon_ring_write(ring, 0x00000316);
3013 	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
3014 	radeon_ring_write(ring, 0x00000010); /*  */
3015 
3016 	radeon_ring_unlock_commit(rdev, ring, false);
3017 
3018 	return 0;
3019 }
3020 
3021 static int evergreen_cp_resume(struct radeon_device *rdev)
3022 {
3023 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3024 	u32 tmp;
3025 	u32 rb_bufsz;
3026 	int r;
3027 
3028 	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
3029 	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
3030 				 SOFT_RESET_PA |
3031 				 SOFT_RESET_SH |
3032 				 SOFT_RESET_VGT |
3033 				 SOFT_RESET_SPI |
3034 				 SOFT_RESET_SX));
3035 	RREG32(GRBM_SOFT_RESET);
3036 	mdelay(15);
3037 	WREG32(GRBM_SOFT_RESET, 0);
3038 	RREG32(GRBM_SOFT_RESET);
3039 
3040 	/* Set ring buffer size */
3041 	rb_bufsz = order_base_2(ring->ring_size / 8);
3042 	tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
3043 #ifdef __BIG_ENDIAN
3044 	tmp |= BUF_SWAP_32BIT;
3045 #endif
3046 	WREG32(CP_RB_CNTL, tmp);
3047 	WREG32(CP_SEM_WAIT_TIMER, 0x0);
3048 	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
3049 
3050 	/* Set the write pointer delay */
3051 	WREG32(CP_RB_WPTR_DELAY, 0);
3052 
3053 	/* Initialize the ring buffer's read and write pointers */
3054 	WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
3055 	WREG32(CP_RB_RPTR_WR, 0);
3056 	ring->wptr = 0;
3057 	WREG32(CP_RB_WPTR, ring->wptr);
3058 
3059 	/* set the wb address whether it's enabled or not */
3060 	WREG32(CP_RB_RPTR_ADDR,
3061 	       ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
3062 	WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
3063 	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
3064 
3065 	if (rdev->wb.enabled)
3066 		WREG32(SCRATCH_UMSK, 0xff);
3067 	else {
3068 		tmp |= RB_NO_UPDATE;
3069 		WREG32(SCRATCH_UMSK, 0);
3070 	}
3071 
3072 	mdelay(1);
3073 	WREG32(CP_RB_CNTL, tmp);
3074 
3075 	WREG32(CP_RB_BASE, ring->gpu_addr >> 8);
3076 	WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
3077 
3078 	evergreen_cp_start(rdev);
3079 	ring->ready = true;
3080 	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
3081 	if (r) {
3082 		ring->ready = false;
3083 		return r;
3084 	}
3085 	return 0;
3086 }
3087 
3088 /*
3089  * Core functions
3090  */
3091 static void evergreen_gpu_init(struct radeon_device *rdev)
3092 {
3093 	u32 gb_addr_config;
3094 	u32 mc_shared_chmap, mc_arb_ramcfg;
3095 	u32 sx_debug_1;
3096 	u32 smx_dc_ctl0;
3097 	u32 sq_config;
3098 	u32 sq_lds_resource_mgmt;
3099 	u32 sq_gpr_resource_mgmt_1;
3100 	u32 sq_gpr_resource_mgmt_2;
3101 	u32 sq_gpr_resource_mgmt_3;
3102 	u32 sq_thread_resource_mgmt;
3103 	u32 sq_thread_resource_mgmt_2;
3104 	u32 sq_stack_resource_mgmt_1;
3105 	u32 sq_stack_resource_mgmt_2;
3106 	u32 sq_stack_resource_mgmt_3;
3107 	u32 vgt_cache_invalidation;
3108 	u32 hdp_host_path_cntl, tmp;
3109 	u32 disabled_rb_mask;
3110 	int i, j, ps_thread_count;
3111 
3112 	switch (rdev->family) {
3113 	case CHIP_CYPRESS:
3114 	case CHIP_HEMLOCK:
3115 		rdev->config.evergreen.num_ses = 2;
3116 		rdev->config.evergreen.max_pipes = 4;
3117 		rdev->config.evergreen.max_tile_pipes = 8;
3118 		rdev->config.evergreen.max_simds = 10;
3119 		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
3120 		rdev->config.evergreen.max_gprs = 256;
3121 		rdev->config.evergreen.max_threads = 248;
3122 		rdev->config.evergreen.max_gs_threads = 32;
3123 		rdev->config.evergreen.max_stack_entries = 512;
3124 		rdev->config.evergreen.sx_num_of_sets = 4;
3125 		rdev->config.evergreen.sx_max_export_size = 256;
3126 		rdev->config.evergreen.sx_max_export_pos_size = 64;
3127 		rdev->config.evergreen.sx_max_export_smx_size = 192;
3128 		rdev->config.evergreen.max_hw_contexts = 8;
3129 		rdev->config.evergreen.sq_num_cf_insts = 2;
3130 
3131 		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3132 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3133 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3134 		gb_addr_config = CYPRESS_GB_ADDR_CONFIG_GOLDEN;
3135 		break;
3136 	case CHIP_JUNIPER:
3137 		rdev->config.evergreen.num_ses = 1;
3138 		rdev->config.evergreen.max_pipes = 4;
3139 		rdev->config.evergreen.max_tile_pipes = 4;
3140 		rdev->config.evergreen.max_simds = 10;
3141 		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
3142 		rdev->config.evergreen.max_gprs = 256;
3143 		rdev->config.evergreen.max_threads = 248;
3144 		rdev->config.evergreen.max_gs_threads = 32;
3145 		rdev->config.evergreen.max_stack_entries = 512;
3146 		rdev->config.evergreen.sx_num_of_sets = 4;
3147 		rdev->config.evergreen.sx_max_export_size = 256;
3148 		rdev->config.evergreen.sx_max_export_pos_size = 64;
3149 		rdev->config.evergreen.sx_max_export_smx_size = 192;
3150 		rdev->config.evergreen.max_hw_contexts = 8;
3151 		rdev->config.evergreen.sq_num_cf_insts = 2;
3152 
3153 		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3154 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3155 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3156 		gb_addr_config = JUNIPER_GB_ADDR_CONFIG_GOLDEN;
3157 		break;
3158 	case CHIP_REDWOOD:
3159 		rdev->config.evergreen.num_ses = 1;
3160 		rdev->config.evergreen.max_pipes = 4;
3161 		rdev->config.evergreen.max_tile_pipes = 4;
3162 		rdev->config.evergreen.max_simds = 5;
3163 		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
3164 		rdev->config.evergreen.max_gprs = 256;
3165 		rdev->config.evergreen.max_threads = 248;
3166 		rdev->config.evergreen.max_gs_threads = 32;
3167 		rdev->config.evergreen.max_stack_entries = 256;
3168 		rdev->config.evergreen.sx_num_of_sets = 4;
3169 		rdev->config.evergreen.sx_max_export_size = 256;
3170 		rdev->config.evergreen.sx_max_export_pos_size = 64;
3171 		rdev->config.evergreen.sx_max_export_smx_size = 192;
3172 		rdev->config.evergreen.max_hw_contexts = 8;
3173 		rdev->config.evergreen.sq_num_cf_insts = 2;
3174 
3175 		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3176 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3177 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3178 		gb_addr_config = REDWOOD_GB_ADDR_CONFIG_GOLDEN;
3179 		break;
3180 	case CHIP_CEDAR:
3181 	default:
3182 		rdev->config.evergreen.num_ses = 1;
3183 		rdev->config.evergreen.max_pipes = 2;
3184 		rdev->config.evergreen.max_tile_pipes = 2;
3185 		rdev->config.evergreen.max_simds = 2;
3186 		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
3187 		rdev->config.evergreen.max_gprs = 256;
3188 		rdev->config.evergreen.max_threads = 192;
3189 		rdev->config.evergreen.max_gs_threads = 16;
3190 		rdev->config.evergreen.max_stack_entries = 256;
3191 		rdev->config.evergreen.sx_num_of_sets = 4;
3192 		rdev->config.evergreen.sx_max_export_size = 128;
3193 		rdev->config.evergreen.sx_max_export_pos_size = 32;
3194 		rdev->config.evergreen.sx_max_export_smx_size = 96;
3195 		rdev->config.evergreen.max_hw_contexts = 4;
3196 		rdev->config.evergreen.sq_num_cf_insts = 1;
3197 
3198 		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3199 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3200 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3201 		gb_addr_config = CEDAR_GB_ADDR_CONFIG_GOLDEN;
3202 		break;
3203 	case CHIP_PALM:
3204 		rdev->config.evergreen.num_ses = 1;
3205 		rdev->config.evergreen.max_pipes = 2;
3206 		rdev->config.evergreen.max_tile_pipes = 2;
3207 		rdev->config.evergreen.max_simds = 2;
3208 		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
3209 		rdev->config.evergreen.max_gprs = 256;
3210 		rdev->config.evergreen.max_threads = 192;
3211 		rdev->config.evergreen.max_gs_threads = 16;
3212 		rdev->config.evergreen.max_stack_entries = 256;
3213 		rdev->config.evergreen.sx_num_of_sets = 4;
3214 		rdev->config.evergreen.sx_max_export_size = 128;
3215 		rdev->config.evergreen.sx_max_export_pos_size = 32;
3216 		rdev->config.evergreen.sx_max_export_smx_size = 96;
3217 		rdev->config.evergreen.max_hw_contexts = 4;
3218 		rdev->config.evergreen.sq_num_cf_insts = 1;
3219 
3220 		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3221 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3222 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3223 		gb_addr_config = CEDAR_GB_ADDR_CONFIG_GOLDEN;
3224 		break;
3225 	case CHIP_SUMO:
3226 		rdev->config.evergreen.num_ses = 1;
3227 		rdev->config.evergreen.max_pipes = 4;
3228 		rdev->config.evergreen.max_tile_pipes = 4;
3229 		if (rdev->pdev->device == 0x9648)
3230 			rdev->config.evergreen.max_simds = 3;
3231 		else if ((rdev->pdev->device == 0x9647) ||
3232 			 (rdev->pdev->device == 0x964a))
3233 			rdev->config.evergreen.max_simds = 4;
3234 		else
3235 			rdev->config.evergreen.max_simds = 5;
3236 		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
3237 		rdev->config.evergreen.max_gprs = 256;
3238 		rdev->config.evergreen.max_threads = 248;
3239 		rdev->config.evergreen.max_gs_threads = 32;
3240 		rdev->config.evergreen.max_stack_entries = 256;
3241 		rdev->config.evergreen.sx_num_of_sets = 4;
3242 		rdev->config.evergreen.sx_max_export_size = 256;
3243 		rdev->config.evergreen.sx_max_export_pos_size = 64;
3244 		rdev->config.evergreen.sx_max_export_smx_size = 192;
3245 		rdev->config.evergreen.max_hw_contexts = 8;
3246 		rdev->config.evergreen.sq_num_cf_insts = 2;
3247 
3248 		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3249 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3250 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3251 		gb_addr_config = SUMO_GB_ADDR_CONFIG_GOLDEN;
3252 		break;
3253 	case CHIP_SUMO2:
3254 		rdev->config.evergreen.num_ses = 1;
3255 		rdev->config.evergreen.max_pipes = 4;
3256 		rdev->config.evergreen.max_tile_pipes = 4;
3257 		rdev->config.evergreen.max_simds = 2;
3258 		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
3259 		rdev->config.evergreen.max_gprs = 256;
3260 		rdev->config.evergreen.max_threads = 248;
3261 		rdev->config.evergreen.max_gs_threads = 32;
3262 		rdev->config.evergreen.max_stack_entries = 512;
3263 		rdev->config.evergreen.sx_num_of_sets = 4;
3264 		rdev->config.evergreen.sx_max_export_size = 256;
3265 		rdev->config.evergreen.sx_max_export_pos_size = 64;
3266 		rdev->config.evergreen.sx_max_export_smx_size = 192;
3267 		rdev->config.evergreen.max_hw_contexts = 4;
3268 		rdev->config.evergreen.sq_num_cf_insts = 2;
3269 
3270 		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3271 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3272 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3273 		gb_addr_config = SUMO2_GB_ADDR_CONFIG_GOLDEN;
3274 		break;
3275 	case CHIP_BARTS:
3276 		rdev->config.evergreen.num_ses = 2;
3277 		rdev->config.evergreen.max_pipes = 4;
3278 		rdev->config.evergreen.max_tile_pipes = 8;
3279 		rdev->config.evergreen.max_simds = 7;
3280 		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
3281 		rdev->config.evergreen.max_gprs = 256;
3282 		rdev->config.evergreen.max_threads = 248;
3283 		rdev->config.evergreen.max_gs_threads = 32;
3284 		rdev->config.evergreen.max_stack_entries = 512;
3285 		rdev->config.evergreen.sx_num_of_sets = 4;
3286 		rdev->config.evergreen.sx_max_export_size = 256;
3287 		rdev->config.evergreen.sx_max_export_pos_size = 64;
3288 		rdev->config.evergreen.sx_max_export_smx_size = 192;
3289 		rdev->config.evergreen.max_hw_contexts = 8;
3290 		rdev->config.evergreen.sq_num_cf_insts = 2;
3291 
3292 		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3293 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3294 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3295 		gb_addr_config = BARTS_GB_ADDR_CONFIG_GOLDEN;
3296 		break;
3297 	case CHIP_TURKS:
3298 		rdev->config.evergreen.num_ses = 1;
3299 		rdev->config.evergreen.max_pipes = 4;
3300 		rdev->config.evergreen.max_tile_pipes = 4;
3301 		rdev->config.evergreen.max_simds = 6;
3302 		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
3303 		rdev->config.evergreen.max_gprs = 256;
3304 		rdev->config.evergreen.max_threads = 248;
3305 		rdev->config.evergreen.max_gs_threads = 32;
3306 		rdev->config.evergreen.max_stack_entries = 256;
3307 		rdev->config.evergreen.sx_num_of_sets = 4;
3308 		rdev->config.evergreen.sx_max_export_size = 256;
3309 		rdev->config.evergreen.sx_max_export_pos_size = 64;
3310 		rdev->config.evergreen.sx_max_export_smx_size = 192;
3311 		rdev->config.evergreen.max_hw_contexts = 8;
3312 		rdev->config.evergreen.sq_num_cf_insts = 2;
3313 
3314 		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3315 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3316 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3317 		gb_addr_config = TURKS_GB_ADDR_CONFIG_GOLDEN;
3318 		break;
3319 	case CHIP_CAICOS:
3320 		rdev->config.evergreen.num_ses = 1;
3321 		rdev->config.evergreen.max_pipes = 2;
3322 		rdev->config.evergreen.max_tile_pipes = 2;
3323 		rdev->config.evergreen.max_simds = 2;
3324 		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
3325 		rdev->config.evergreen.max_gprs = 256;
3326 		rdev->config.evergreen.max_threads = 192;
3327 		rdev->config.evergreen.max_gs_threads = 16;
3328 		rdev->config.evergreen.max_stack_entries = 256;
3329 		rdev->config.evergreen.sx_num_of_sets = 4;
3330 		rdev->config.evergreen.sx_max_export_size = 128;
3331 		rdev->config.evergreen.sx_max_export_pos_size = 32;
3332 		rdev->config.evergreen.sx_max_export_smx_size = 96;
3333 		rdev->config.evergreen.max_hw_contexts = 4;
3334 		rdev->config.evergreen.sq_num_cf_insts = 1;
3335 
3336 		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3337 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3338 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3339 		gb_addr_config = CAICOS_GB_ADDR_CONFIG_GOLDEN;
3340 		break;
3341 	}
3342 
3343 	/* Initialize HDP */
3344 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
3345 		WREG32((0x2c14 + j), 0x00000000);
3346 		WREG32((0x2c18 + j), 0x00000000);
3347 		WREG32((0x2c1c + j), 0x00000000);
3348 		WREG32((0x2c20 + j), 0x00000000);
3349 		WREG32((0x2c24 + j), 0x00000000);
3350 	}
3351 
3352 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
3353 	WREG32(SRBM_INT_CNTL, 0x1);
3354 	WREG32(SRBM_INT_ACK, 0x1);
3355 
3356 	evergreen_fix_pci_max_read_req_size(rdev);
3357 
3358 	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
3359 	if ((rdev->family == CHIP_PALM) ||
3360 	    (rdev->family == CHIP_SUMO) ||
3361 	    (rdev->family == CHIP_SUMO2))
3362 		mc_arb_ramcfg = RREG32(FUS_MC_ARB_RAMCFG);
3363 	else
3364 		mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
3365 
3366 	/* setup tiling info dword.  gb_addr_config is not adequate since it does
3367 	 * not have bank info, so create a custom tiling dword.
3368 	 * bits 3:0   num_pipes
3369 	 * bits 7:4   num_banks
3370 	 * bits 11:8  group_size
3371 	 * bits 15:12 row_size
3372 	 */
3373 	rdev->config.evergreen.tile_config = 0;
3374 	switch (rdev->config.evergreen.max_tile_pipes) {
3375 	case 1:
3376 	default:
3377 		rdev->config.evergreen.tile_config |= (0 << 0);
3378 		break;
3379 	case 2:
3380 		rdev->config.evergreen.tile_config |= (1 << 0);
3381 		break;
3382 	case 4:
3383 		rdev->config.evergreen.tile_config |= (2 << 0);
3384 		break;
3385 	case 8:
3386 		rdev->config.evergreen.tile_config |= (3 << 0);
3387 		break;
3388 	}
3389 	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
3390 	if (rdev->flags & RADEON_IS_IGP)
3391 		rdev->config.evergreen.tile_config |= 1 << 4;
3392 	else {
3393 		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
3394 		case 0: /* four banks */
3395 			rdev->config.evergreen.tile_config |= 0 << 4;
3396 			break;
3397 		case 1: /* eight banks */
3398 			rdev->config.evergreen.tile_config |= 1 << 4;
3399 			break;
3400 		case 2: /* sixteen banks */
3401 		default:
3402 			rdev->config.evergreen.tile_config |= 2 << 4;
3403 			break;
3404 		}
3405 	}
3406 	rdev->config.evergreen.tile_config |= 0 << 8;
3407 	rdev->config.evergreen.tile_config |=
3408 		((gb_addr_config & 0x30000000) >> 28) << 12;
3409 
3410 	if ((rdev->family >= CHIP_CEDAR) && (rdev->family <= CHIP_HEMLOCK)) {
3411 		u32 efuse_straps_4;
3412 		u32 efuse_straps_3;
3413 
3414 		efuse_straps_4 = RREG32_RCU(0x204);
3415 		efuse_straps_3 = RREG32_RCU(0x203);
3416 		tmp = (((efuse_straps_4 & 0xf) << 4) |
3417 		      ((efuse_straps_3 & 0xf0000000) >> 28));
3418 	} else {
3419 		tmp = 0;
3420 		for (i = (rdev->config.evergreen.num_ses - 1); i >= 0; i--) {
3421 			u32 rb_disable_bitmap;
3422 
3423 			WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
3424 			WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
3425 			rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
3426 			tmp <<= 4;
3427 			tmp |= rb_disable_bitmap;
3428 		}
3429 	}
3430 	/* enabled rb are just the one not disabled :) */
3431 	disabled_rb_mask = tmp;
3432 	tmp = 0;
3433 	for (i = 0; i < rdev->config.evergreen.max_backends; i++)
3434 		tmp |= (1 << i);
3435 	/* if all the backends are disabled, fix it up here */
3436 	if ((disabled_rb_mask & tmp) == tmp) {
3437 		for (i = 0; i < rdev->config.evergreen.max_backends; i++)
3438 			disabled_rb_mask &= ~(1 << i);
3439 	}
3440 
3441 	for (i = 0; i < rdev->config.evergreen.num_ses; i++) {
3442 		u32 simd_disable_bitmap;
3443 
3444 		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
3445 		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
3446 		simd_disable_bitmap = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16;
3447 		simd_disable_bitmap |= 0xffffffff << rdev->config.evergreen.max_simds;
3448 		tmp <<= 16;
3449 		tmp |= simd_disable_bitmap;
3450 	}
3451 	rdev->config.evergreen.active_simds = hweight32(~tmp);
3452 
3453 	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
3454 	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
3455 
3456 	WREG32(GB_ADDR_CONFIG, gb_addr_config);
3457 	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
3458 	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
3459 	WREG32(DMA_TILING_CONFIG, gb_addr_config);
3460 	WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
3461 	WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
3462 	WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
3463 
3464 	if ((rdev->config.evergreen.max_backends == 1) &&
3465 	    (rdev->flags & RADEON_IS_IGP)) {
3466 		if ((disabled_rb_mask & 3) == 1) {
3467 			/* RB0 disabled, RB1 enabled */
3468 			tmp = 0x11111111;
3469 		} else {
3470 			/* RB1 disabled, RB0 enabled */
3471 			tmp = 0x00000000;
3472 		}
3473 	} else {
3474 		tmp = gb_addr_config & NUM_PIPES_MASK;
3475 		tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends,
3476 						EVERGREEN_MAX_BACKENDS, disabled_rb_mask);
3477 	}
3478 	WREG32(GB_BACKEND_MAP, tmp);
3479 
3480 	WREG32(CGTS_SYS_TCC_DISABLE, 0);
3481 	WREG32(CGTS_TCC_DISABLE, 0);
3482 	WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
3483 	WREG32(CGTS_USER_TCC_DISABLE, 0);
3484 
3485 	/* set HW defaults for 3D engine */
3486 	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
3487 				     ROQ_IB2_START(0x2b)));
3488 
3489 	WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
3490 
3491 	WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
3492 			     SYNC_GRADIENT |
3493 			     SYNC_WALKER |
3494 			     SYNC_ALIGNER));
3495 
3496 	sx_debug_1 = RREG32(SX_DEBUG_1);
3497 	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
3498 	WREG32(SX_DEBUG_1, sx_debug_1);
3499 
3500 
3501 	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
3502 	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
3503 	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets);
3504 	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
3505 
3506 	if (rdev->family <= CHIP_SUMO2)
3507 		WREG32(SMX_SAR_CTL0, 0x00010000);
3508 
3509 	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) |
3510 					POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) |
3511 					SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1)));
3512 
3513 	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) |
3514 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) |
3515 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size)));
3516 
3517 	WREG32(VGT_NUM_INSTANCES, 1);
3518 	WREG32(SPI_CONFIG_CNTL, 0);
3519 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
3520 	WREG32(CP_PERFMON_CNTL, 0);
3521 
3522 	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) |
3523 				  FETCH_FIFO_HIWATER(0x4) |
3524 				  DONE_FIFO_HIWATER(0xe0) |
3525 				  ALU_UPDATE_FIFO_HIWATER(0x8)));
3526 
3527 	sq_config = RREG32(SQ_CONFIG);
3528 	sq_config &= ~(PS_PRIO(3) |
3529 		       VS_PRIO(3) |
3530 		       GS_PRIO(3) |
3531 		       ES_PRIO(3));
3532 	sq_config |= (VC_ENABLE |
3533 		      EXPORT_SRC_C |
3534 		      PS_PRIO(0) |
3535 		      VS_PRIO(1) |
3536 		      GS_PRIO(2) |
3537 		      ES_PRIO(3));
3538 
3539 	switch (rdev->family) {
3540 	case CHIP_CEDAR:
3541 	case CHIP_PALM:
3542 	case CHIP_SUMO:
3543 	case CHIP_SUMO2:
3544 	case CHIP_CAICOS:
3545 		/* no vertex cache */
3546 		sq_config &= ~VC_ENABLE;
3547 		break;
3548 	default:
3549 		break;
3550 	}
3551 
3552 	sq_lds_resource_mgmt = RREG32(SQ_LDS_RESOURCE_MGMT);
3553 
3554 	sq_gpr_resource_mgmt_1 = NUM_PS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2))* 12 / 32);
3555 	sq_gpr_resource_mgmt_1 |= NUM_VS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 6 / 32);
3556 	sq_gpr_resource_mgmt_1 |= NUM_CLAUSE_TEMP_GPRS(4);
3557 	sq_gpr_resource_mgmt_2 = NUM_GS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
3558 	sq_gpr_resource_mgmt_2 |= NUM_ES_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
3559 	sq_gpr_resource_mgmt_3 = NUM_HS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
3560 	sq_gpr_resource_mgmt_3 |= NUM_LS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
3561 
3562 	switch (rdev->family) {
3563 	case CHIP_CEDAR:
3564 	case CHIP_PALM:
3565 	case CHIP_SUMO:
3566 	case CHIP_SUMO2:
3567 		ps_thread_count = 96;
3568 		break;
3569 	default:
3570 		ps_thread_count = 128;
3571 		break;
3572 	}
3573 
3574 	sq_thread_resource_mgmt = NUM_PS_THREADS(ps_thread_count);
3575 	sq_thread_resource_mgmt |= NUM_VS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3576 	sq_thread_resource_mgmt |= NUM_GS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3577 	sq_thread_resource_mgmt |= NUM_ES_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3578 	sq_thread_resource_mgmt_2 = NUM_HS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3579 	sq_thread_resource_mgmt_2 |= NUM_LS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3580 
3581 	sq_stack_resource_mgmt_1 = NUM_PS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3582 	sq_stack_resource_mgmt_1 |= NUM_VS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3583 	sq_stack_resource_mgmt_2 = NUM_GS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3584 	sq_stack_resource_mgmt_2 |= NUM_ES_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3585 	sq_stack_resource_mgmt_3 = NUM_HS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3586 	sq_stack_resource_mgmt_3 |= NUM_LS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3587 
3588 	WREG32(SQ_CONFIG, sq_config);
3589 	WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
3590 	WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
3591 	WREG32(SQ_GPR_RESOURCE_MGMT_3, sq_gpr_resource_mgmt_3);
3592 	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
3593 	WREG32(SQ_THREAD_RESOURCE_MGMT_2, sq_thread_resource_mgmt_2);
3594 	WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
3595 	WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
3596 	WREG32(SQ_STACK_RESOURCE_MGMT_3, sq_stack_resource_mgmt_3);
3597 	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0);
3598 	WREG32(SQ_LDS_RESOURCE_MGMT, sq_lds_resource_mgmt);
3599 
3600 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
3601 					  FORCE_EOV_MAX_REZ_CNT(255)));
3602 
3603 	switch (rdev->family) {
3604 	case CHIP_CEDAR:
3605 	case CHIP_PALM:
3606 	case CHIP_SUMO:
3607 	case CHIP_SUMO2:
3608 	case CHIP_CAICOS:
3609 		vgt_cache_invalidation = CACHE_INVALIDATION(TC_ONLY);
3610 		break;
3611 	default:
3612 		vgt_cache_invalidation = CACHE_INVALIDATION(VC_AND_TC);
3613 		break;
3614 	}
3615 	vgt_cache_invalidation |= AUTO_INVLD_EN(ES_AND_GS_AUTO);
3616 	WREG32(VGT_CACHE_INVALIDATION, vgt_cache_invalidation);
3617 
3618 	WREG32(VGT_GS_VERTEX_REUSE, 16);
3619 	WREG32(PA_SU_LINE_STIPPLE_VALUE, 0);
3620 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
3621 
3622 	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, 14);
3623 	WREG32(VGT_OUT_DEALLOC_CNTL, 16);
3624 
3625 	WREG32(CB_PERF_CTR0_SEL_0, 0);
3626 	WREG32(CB_PERF_CTR0_SEL_1, 0);
3627 	WREG32(CB_PERF_CTR1_SEL_0, 0);
3628 	WREG32(CB_PERF_CTR1_SEL_1, 0);
3629 	WREG32(CB_PERF_CTR2_SEL_0, 0);
3630 	WREG32(CB_PERF_CTR2_SEL_1, 0);
3631 	WREG32(CB_PERF_CTR3_SEL_0, 0);
3632 	WREG32(CB_PERF_CTR3_SEL_1, 0);
3633 
3634 	/* clear render buffer base addresses */
3635 	WREG32(CB_COLOR0_BASE, 0);
3636 	WREG32(CB_COLOR1_BASE, 0);
3637 	WREG32(CB_COLOR2_BASE, 0);
3638 	WREG32(CB_COLOR3_BASE, 0);
3639 	WREG32(CB_COLOR4_BASE, 0);
3640 	WREG32(CB_COLOR5_BASE, 0);
3641 	WREG32(CB_COLOR6_BASE, 0);
3642 	WREG32(CB_COLOR7_BASE, 0);
3643 	WREG32(CB_COLOR8_BASE, 0);
3644 	WREG32(CB_COLOR9_BASE, 0);
3645 	WREG32(CB_COLOR10_BASE, 0);
3646 	WREG32(CB_COLOR11_BASE, 0);
3647 
3648 	/* set the shader const cache sizes to 0 */
3649 	for (i = SQ_ALU_CONST_BUFFER_SIZE_PS_0; i < 0x28200; i += 4)
3650 		WREG32(i, 0);
3651 	for (i = SQ_ALU_CONST_BUFFER_SIZE_HS_0; i < 0x29000; i += 4)
3652 		WREG32(i, 0);
3653 
3654 	tmp = RREG32(HDP_MISC_CNTL);
3655 	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
3656 	WREG32(HDP_MISC_CNTL, tmp);
3657 
3658 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
3659 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
3660 
3661 	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
3662 
3663 	udelay(50);
3664 
3665 }
3666 
3667 int evergreen_mc_init(struct radeon_device *rdev)
3668 {
3669 	u32 tmp;
3670 	int chansize, numchan;
3671 
3672 	/* Get VRAM informations */
3673 	rdev->mc.vram_is_ddr = true;
3674 	if ((rdev->family == CHIP_PALM) ||
3675 	    (rdev->family == CHIP_SUMO) ||
3676 	    (rdev->family == CHIP_SUMO2))
3677 		tmp = RREG32(FUS_MC_ARB_RAMCFG);
3678 	else
3679 		tmp = RREG32(MC_ARB_RAMCFG);
3680 	if (tmp & CHANSIZE_OVERRIDE) {
3681 		chansize = 16;
3682 	} else if (tmp & CHANSIZE_MASK) {
3683 		chansize = 64;
3684 	} else {
3685 		chansize = 32;
3686 	}
3687 	tmp = RREG32(MC_SHARED_CHMAP);
3688 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
3689 	case 0:
3690 	default:
3691 		numchan = 1;
3692 		break;
3693 	case 1:
3694 		numchan = 2;
3695 		break;
3696 	case 2:
3697 		numchan = 4;
3698 		break;
3699 	case 3:
3700 		numchan = 8;
3701 		break;
3702 	}
3703 	rdev->mc.vram_width = numchan * chansize;
3704 	/* Could aper size report 0 ? */
3705 	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
3706 	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
3707 	/* Setup GPU memory space */
3708 	if ((rdev->family == CHIP_PALM) ||
3709 	    (rdev->family == CHIP_SUMO) ||
3710 	    (rdev->family == CHIP_SUMO2)) {
3711 		/* size in bytes on fusion */
3712 		rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
3713 		rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
3714 	} else {
3715 		/* size in MB on evergreen/cayman/tn */
3716 		rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL;
3717 		rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL;
3718 	}
3719 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
3720 	r700_vram_gtt_location(rdev, &rdev->mc);
3721 	radeon_update_bandwidth_info(rdev);
3722 
3723 	return 0;
3724 }
3725 
3726 void evergreen_print_gpu_status_regs(struct radeon_device *rdev)
3727 {
3728 	dev_info(rdev->dev, "  GRBM_STATUS               = 0x%08X\n",
3729 		RREG32(GRBM_STATUS));
3730 	dev_info(rdev->dev, "  GRBM_STATUS_SE0           = 0x%08X\n",
3731 		RREG32(GRBM_STATUS_SE0));
3732 	dev_info(rdev->dev, "  GRBM_STATUS_SE1           = 0x%08X\n",
3733 		RREG32(GRBM_STATUS_SE1));
3734 	dev_info(rdev->dev, "  SRBM_STATUS               = 0x%08X\n",
3735 		RREG32(SRBM_STATUS));
3736 	dev_info(rdev->dev, "  SRBM_STATUS2              = 0x%08X\n",
3737 		RREG32(SRBM_STATUS2));
3738 	dev_info(rdev->dev, "  R_008674_CP_STALLED_STAT1 = 0x%08X\n",
3739 		RREG32(CP_STALLED_STAT1));
3740 	dev_info(rdev->dev, "  R_008678_CP_STALLED_STAT2 = 0x%08X\n",
3741 		RREG32(CP_STALLED_STAT2));
3742 	dev_info(rdev->dev, "  R_00867C_CP_BUSY_STAT     = 0x%08X\n",
3743 		RREG32(CP_BUSY_STAT));
3744 	dev_info(rdev->dev, "  R_008680_CP_STAT          = 0x%08X\n",
3745 		RREG32(CP_STAT));
3746 	dev_info(rdev->dev, "  R_00D034_DMA_STATUS_REG   = 0x%08X\n",
3747 		RREG32(DMA_STATUS_REG));
3748 	if (rdev->family >= CHIP_CAYMAN) {
3749 		dev_info(rdev->dev, "  R_00D834_DMA_STATUS_REG   = 0x%08X\n",
3750 			 RREG32(DMA_STATUS_REG + 0x800));
3751 	}
3752 }
3753 
3754 bool evergreen_is_display_hung(struct radeon_device *rdev)
3755 {
3756 	u32 crtc_hung = 0;
3757 	u32 crtc_status[6];
3758 	u32 i, j, tmp;
3759 
3760 	for (i = 0; i < rdev->num_crtc; i++) {
3761 		if (RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]) & EVERGREEN_CRTC_MASTER_EN) {
3762 			crtc_status[i] = RREG32(EVERGREEN_CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
3763 			crtc_hung |= (1 << i);
3764 		}
3765 	}
3766 
3767 	for (j = 0; j < 10; j++) {
3768 		for (i = 0; i < rdev->num_crtc; i++) {
3769 			if (crtc_hung & (1 << i)) {
3770 				tmp = RREG32(EVERGREEN_CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
3771 				if (tmp != crtc_status[i])
3772 					crtc_hung &= ~(1 << i);
3773 			}
3774 		}
3775 		if (crtc_hung == 0)
3776 			return false;
3777 		udelay(100);
3778 	}
3779 
3780 	return true;
3781 }
3782 
3783 u32 evergreen_gpu_check_soft_reset(struct radeon_device *rdev)
3784 {
3785 	u32 reset_mask = 0;
3786 	u32 tmp;
3787 
3788 	/* GRBM_STATUS */
3789 	tmp = RREG32(GRBM_STATUS);
3790 	if (tmp & (PA_BUSY | SC_BUSY |
3791 		   SH_BUSY | SX_BUSY |
3792 		   TA_BUSY | VGT_BUSY |
3793 		   DB_BUSY | CB_BUSY |
3794 		   SPI_BUSY | VGT_BUSY_NO_DMA))
3795 		reset_mask |= RADEON_RESET_GFX;
3796 
3797 	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
3798 		   CP_BUSY | CP_COHERENCY_BUSY))
3799 		reset_mask |= RADEON_RESET_CP;
3800 
3801 	if (tmp & GRBM_EE_BUSY)
3802 		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
3803 
3804 	/* DMA_STATUS_REG */
3805 	tmp = RREG32(DMA_STATUS_REG);
3806 	if (!(tmp & DMA_IDLE))
3807 		reset_mask |= RADEON_RESET_DMA;
3808 
3809 	/* SRBM_STATUS2 */
3810 	tmp = RREG32(SRBM_STATUS2);
3811 	if (tmp & DMA_BUSY)
3812 		reset_mask |= RADEON_RESET_DMA;
3813 
3814 	/* SRBM_STATUS */
3815 	tmp = RREG32(SRBM_STATUS);
3816 	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
3817 		reset_mask |= RADEON_RESET_RLC;
3818 
3819 	if (tmp & IH_BUSY)
3820 		reset_mask |= RADEON_RESET_IH;
3821 
3822 	if (tmp & SEM_BUSY)
3823 		reset_mask |= RADEON_RESET_SEM;
3824 
3825 	if (tmp & GRBM_RQ_PENDING)
3826 		reset_mask |= RADEON_RESET_GRBM;
3827 
3828 	if (tmp & VMC_BUSY)
3829 		reset_mask |= RADEON_RESET_VMC;
3830 
3831 	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
3832 		   MCC_BUSY | MCD_BUSY))
3833 		reset_mask |= RADEON_RESET_MC;
3834 
3835 	if (evergreen_is_display_hung(rdev))
3836 		reset_mask |= RADEON_RESET_DISPLAY;
3837 
3838 	/* VM_L2_STATUS */
3839 	tmp = RREG32(VM_L2_STATUS);
3840 	if (tmp & L2_BUSY)
3841 		reset_mask |= RADEON_RESET_VMC;
3842 
3843 	/* Skip MC reset as it's mostly likely not hung, just busy */
3844 	if (reset_mask & RADEON_RESET_MC) {
3845 		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
3846 		reset_mask &= ~RADEON_RESET_MC;
3847 	}
3848 
3849 	return reset_mask;
3850 }
3851 
3852 static void evergreen_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
3853 {
3854 	struct evergreen_mc_save save;
3855 	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
3856 	u32 tmp;
3857 
3858 	if (reset_mask == 0)
3859 		return;
3860 
3861 	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
3862 
3863 	evergreen_print_gpu_status_regs(rdev);
3864 
3865 	/* Disable CP parsing/prefetching */
3866 	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
3867 
3868 	if (reset_mask & RADEON_RESET_DMA) {
3869 		/* Disable DMA */
3870 		tmp = RREG32(DMA_RB_CNTL);
3871 		tmp &= ~DMA_RB_ENABLE;
3872 		WREG32(DMA_RB_CNTL, tmp);
3873 	}
3874 
3875 	udelay(50);
3876 
3877 	evergreen_mc_stop(rdev, &save);
3878 	if (evergreen_mc_wait_for_idle(rdev)) {
3879 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
3880 	}
3881 
3882 	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
3883 		grbm_soft_reset |= SOFT_RESET_DB |
3884 			SOFT_RESET_CB |
3885 			SOFT_RESET_PA |
3886 			SOFT_RESET_SC |
3887 			SOFT_RESET_SPI |
3888 			SOFT_RESET_SX |
3889 			SOFT_RESET_SH |
3890 			SOFT_RESET_TC |
3891 			SOFT_RESET_TA |
3892 			SOFT_RESET_VC |
3893 			SOFT_RESET_VGT;
3894 	}
3895 
3896 	if (reset_mask & RADEON_RESET_CP) {
3897 		grbm_soft_reset |= SOFT_RESET_CP |
3898 			SOFT_RESET_VGT;
3899 
3900 		srbm_soft_reset |= SOFT_RESET_GRBM;
3901 	}
3902 
3903 	if (reset_mask & RADEON_RESET_DMA)
3904 		srbm_soft_reset |= SOFT_RESET_DMA;
3905 
3906 	if (reset_mask & RADEON_RESET_DISPLAY)
3907 		srbm_soft_reset |= SOFT_RESET_DC;
3908 
3909 	if (reset_mask & RADEON_RESET_RLC)
3910 		srbm_soft_reset |= SOFT_RESET_RLC;
3911 
3912 	if (reset_mask & RADEON_RESET_SEM)
3913 		srbm_soft_reset |= SOFT_RESET_SEM;
3914 
3915 	if (reset_mask & RADEON_RESET_IH)
3916 		srbm_soft_reset |= SOFT_RESET_IH;
3917 
3918 	if (reset_mask & RADEON_RESET_GRBM)
3919 		srbm_soft_reset |= SOFT_RESET_GRBM;
3920 
3921 	if (reset_mask & RADEON_RESET_VMC)
3922 		srbm_soft_reset |= SOFT_RESET_VMC;
3923 
3924 	if (!(rdev->flags & RADEON_IS_IGP)) {
3925 		if (reset_mask & RADEON_RESET_MC)
3926 			srbm_soft_reset |= SOFT_RESET_MC;
3927 	}
3928 
3929 	if (grbm_soft_reset) {
3930 		tmp = RREG32(GRBM_SOFT_RESET);
3931 		tmp |= grbm_soft_reset;
3932 		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
3933 		WREG32(GRBM_SOFT_RESET, tmp);
3934 		tmp = RREG32(GRBM_SOFT_RESET);
3935 
3936 		udelay(50);
3937 
3938 		tmp &= ~grbm_soft_reset;
3939 		WREG32(GRBM_SOFT_RESET, tmp);
3940 		tmp = RREG32(GRBM_SOFT_RESET);
3941 	}
3942 
3943 	if (srbm_soft_reset) {
3944 		tmp = RREG32(SRBM_SOFT_RESET);
3945 		tmp |= srbm_soft_reset;
3946 		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3947 		WREG32(SRBM_SOFT_RESET, tmp);
3948 		tmp = RREG32(SRBM_SOFT_RESET);
3949 
3950 		udelay(50);
3951 
3952 		tmp &= ~srbm_soft_reset;
3953 		WREG32(SRBM_SOFT_RESET, tmp);
3954 		tmp = RREG32(SRBM_SOFT_RESET);
3955 	}
3956 
3957 	/* Wait a little for things to settle down */
3958 	udelay(50);
3959 
3960 	evergreen_mc_resume(rdev, &save);
3961 	udelay(50);
3962 
3963 	evergreen_print_gpu_status_regs(rdev);
3964 }
3965 
3966 void evergreen_gpu_pci_config_reset(struct radeon_device *rdev)
3967 {
3968 	struct evergreen_mc_save save;
3969 	u32 tmp, i;
3970 
3971 	dev_info(rdev->dev, "GPU pci config reset\n");
3972 
3973 	/* disable dpm? */
3974 
3975 	/* Disable CP parsing/prefetching */
3976 	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
3977 	udelay(50);
3978 	/* Disable DMA */
3979 	tmp = RREG32(DMA_RB_CNTL);
3980 	tmp &= ~DMA_RB_ENABLE;
3981 	WREG32(DMA_RB_CNTL, tmp);
3982 	/* XXX other engines? */
3983 
3984 	/* halt the rlc */
3985 	r600_rlc_stop(rdev);
3986 
3987 	udelay(50);
3988 
3989 	/* set mclk/sclk to bypass */
3990 	rv770_set_clk_bypass_mode(rdev);
3991 	/* disable BM */
3992 	pci_clear_master(rdev->pdev);
3993 	/* disable mem access */
3994 	evergreen_mc_stop(rdev, &save);
3995 	if (evergreen_mc_wait_for_idle(rdev)) {
3996 		dev_warn(rdev->dev, "Wait for MC idle timed out !\n");
3997 	}
3998 	/* reset */
3999 	radeon_pci_config_reset(rdev);
4000 	/* wait for asic to come out of reset */
4001 	for (i = 0; i < rdev->usec_timeout; i++) {
4002 		if (RREG32(CONFIG_MEMSIZE) != 0xffffffff)
4003 			break;
4004 		udelay(1);
4005 	}
4006 }
4007 
4008 int evergreen_asic_reset(struct radeon_device *rdev)
4009 {
4010 	u32 reset_mask;
4011 
4012 	reset_mask = evergreen_gpu_check_soft_reset(rdev);
4013 
4014 	if (reset_mask)
4015 		r600_set_bios_scratch_engine_hung(rdev, true);
4016 
4017 	/* try soft reset */
4018 	evergreen_gpu_soft_reset(rdev, reset_mask);
4019 
4020 	reset_mask = evergreen_gpu_check_soft_reset(rdev);
4021 
4022 	/* try pci config reset */
4023 	if (reset_mask && radeon_hard_reset)
4024 		evergreen_gpu_pci_config_reset(rdev);
4025 
4026 	reset_mask = evergreen_gpu_check_soft_reset(rdev);
4027 
4028 	if (!reset_mask)
4029 		r600_set_bios_scratch_engine_hung(rdev, false);
4030 
4031 	return 0;
4032 }
4033 
4034 /**
4035  * evergreen_gfx_is_lockup - Check if the GFX engine is locked up
4036  *
4037  * @rdev: radeon_device pointer
4038  * @ring: radeon_ring structure holding ring information
4039  *
4040  * Check if the GFX engine is locked up.
4041  * Returns true if the engine appears to be locked up, false if not.
4042  */
4043 bool evergreen_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
4044 {
4045 	u32 reset_mask = evergreen_gpu_check_soft_reset(rdev);
4046 
4047 	if (!(reset_mask & (RADEON_RESET_GFX |
4048 			    RADEON_RESET_COMPUTE |
4049 			    RADEON_RESET_CP))) {
4050 		radeon_ring_lockup_update(rdev, ring);
4051 		return false;
4052 	}
4053 	return radeon_ring_test_lockup(rdev, ring);
4054 }
4055 
4056 /*
4057  * RLC
4058  */
4059 #define RLC_SAVE_RESTORE_LIST_END_MARKER    0x00000000
4060 #define RLC_CLEAR_STATE_END_MARKER          0x00000001
4061 
4062 void sumo_rlc_fini(struct radeon_device *rdev)
4063 {
4064 	int r;
4065 
4066 	/* save restore block */
4067 	if (rdev->rlc.save_restore_obj) {
4068 		r = radeon_bo_reserve(rdev->rlc.save_restore_obj, false);
4069 		if (unlikely(r != 0))
4070 			dev_warn(rdev->dev, "(%d) reserve RLC sr bo failed\n", r);
4071 		radeon_bo_unpin(rdev->rlc.save_restore_obj);
4072 		radeon_bo_unreserve(rdev->rlc.save_restore_obj);
4073 
4074 		radeon_bo_unref(&rdev->rlc.save_restore_obj);
4075 		rdev->rlc.save_restore_obj = NULL;
4076 	}
4077 
4078 	/* clear state block */
4079 	if (rdev->rlc.clear_state_obj) {
4080 		r = radeon_bo_reserve(rdev->rlc.clear_state_obj, false);
4081 		if (unlikely(r != 0))
4082 			dev_warn(rdev->dev, "(%d) reserve RLC c bo failed\n", r);
4083 		radeon_bo_unpin(rdev->rlc.clear_state_obj);
4084 		radeon_bo_unreserve(rdev->rlc.clear_state_obj);
4085 
4086 		radeon_bo_unref(&rdev->rlc.clear_state_obj);
4087 		rdev->rlc.clear_state_obj = NULL;
4088 	}
4089 
4090 	/* clear state block */
4091 	if (rdev->rlc.cp_table_obj) {
4092 		r = radeon_bo_reserve(rdev->rlc.cp_table_obj, false);
4093 		if (unlikely(r != 0))
4094 			dev_warn(rdev->dev, "(%d) reserve RLC cp table bo failed\n", r);
4095 		radeon_bo_unpin(rdev->rlc.cp_table_obj);
4096 		radeon_bo_unreserve(rdev->rlc.cp_table_obj);
4097 
4098 		radeon_bo_unref(&rdev->rlc.cp_table_obj);
4099 		rdev->rlc.cp_table_obj = NULL;
4100 	}
4101 }
4102 
4103 #define CP_ME_TABLE_SIZE    96
4104 
4105 int sumo_rlc_init(struct radeon_device *rdev)
4106 {
4107 	const u32 *src_ptr;
4108 	volatile u32 *dst_ptr;
4109 	u32 dws, data, i, j, k, reg_num;
4110 	u32 reg_list_num, reg_list_hdr_blk_index, reg_list_blk_index = 0;
4111 	u64 reg_list_mc_addr;
4112 	const struct cs_section_def *cs_data;
4113 	int r;
4114 
4115 	src_ptr = rdev->rlc.reg_list;
4116 	dws = rdev->rlc.reg_list_size;
4117 	if (rdev->family >= CHIP_BONAIRE) {
4118 		dws += (5 * 16) + 48 + 48 + 64;
4119 	}
4120 	cs_data = rdev->rlc.cs_data;
4121 
4122 	if (src_ptr) {
4123 		/* save restore block */
4124 		if (rdev->rlc.save_restore_obj == NULL) {
4125 			r = radeon_bo_create(rdev, dws * 4, PAGE_SIZE, true,
4126 					     RADEON_GEM_DOMAIN_VRAM, 0, NULL,
4127 					     NULL, &rdev->rlc.save_restore_obj);
4128 			if (r) {
4129 				dev_warn(rdev->dev, "(%d) create RLC sr bo failed\n", r);
4130 				return r;
4131 			}
4132 		}
4133 
4134 		r = radeon_bo_reserve(rdev->rlc.save_restore_obj, false);
4135 		if (unlikely(r != 0)) {
4136 			sumo_rlc_fini(rdev);
4137 			return r;
4138 		}
4139 		r = radeon_bo_pin(rdev->rlc.save_restore_obj, RADEON_GEM_DOMAIN_VRAM,
4140 				  &rdev->rlc.save_restore_gpu_addr);
4141 		if (r) {
4142 			radeon_bo_unreserve(rdev->rlc.save_restore_obj);
4143 			dev_warn(rdev->dev, "(%d) pin RLC sr bo failed\n", r);
4144 			sumo_rlc_fini(rdev);
4145 			return r;
4146 		}
4147 
4148 		r = radeon_bo_kmap(rdev->rlc.save_restore_obj, (void **)&rdev->rlc.sr_ptr);
4149 		if (r) {
4150 			dev_warn(rdev->dev, "(%d) map RLC sr bo failed\n", r);
4151 			sumo_rlc_fini(rdev);
4152 			return r;
4153 		}
4154 		/* write the sr buffer */
4155 		dst_ptr = rdev->rlc.sr_ptr;
4156 		if (rdev->family >= CHIP_TAHITI) {
4157 			/* SI */
4158 			for (i = 0; i < rdev->rlc.reg_list_size; i++)
4159 				dst_ptr[i] = cpu_to_le32(src_ptr[i]);
4160 		} else {
4161 			/* ON/LN/TN */
4162 			/* format:
4163 			 * dw0: (reg2 << 16) | reg1
4164 			 * dw1: reg1 save space
4165 			 * dw2: reg2 save space
4166 			 */
4167 			for (i = 0; i < dws; i++) {
4168 				data = src_ptr[i] >> 2;
4169 				i++;
4170 				if (i < dws)
4171 					data |= (src_ptr[i] >> 2) << 16;
4172 				j = (((i - 1) * 3) / 2);
4173 				dst_ptr[j] = cpu_to_le32(data);
4174 			}
4175 			j = ((i * 3) / 2);
4176 			dst_ptr[j] = cpu_to_le32(RLC_SAVE_RESTORE_LIST_END_MARKER);
4177 		}
4178 		radeon_bo_kunmap(rdev->rlc.save_restore_obj);
4179 		radeon_bo_unreserve(rdev->rlc.save_restore_obj);
4180 	}
4181 
4182 	if (cs_data) {
4183 		/* clear state block */
4184 		if (rdev->family >= CHIP_BONAIRE) {
4185 			rdev->rlc.clear_state_size = dws = cik_get_csb_size(rdev);
4186 		} else if (rdev->family >= CHIP_TAHITI) {
4187 			rdev->rlc.clear_state_size = si_get_csb_size(rdev);
4188 			dws = rdev->rlc.clear_state_size + (256 / 4);
4189 		} else {
4190 			reg_list_num = 0;
4191 			dws = 0;
4192 			for (i = 0; cs_data[i].section != NULL; i++) {
4193 				for (j = 0; cs_data[i].section[j].extent != NULL; j++) {
4194 					reg_list_num++;
4195 					dws += cs_data[i].section[j].reg_count;
4196 				}
4197 			}
4198 			reg_list_blk_index = (3 * reg_list_num + 2);
4199 			dws += reg_list_blk_index;
4200 			rdev->rlc.clear_state_size = dws;
4201 		}
4202 
4203 		if (rdev->rlc.clear_state_obj == NULL) {
4204 			r = radeon_bo_create(rdev, dws * 4, PAGE_SIZE, true,
4205 					     RADEON_GEM_DOMAIN_VRAM, 0, NULL,
4206 					     NULL, &rdev->rlc.clear_state_obj);
4207 			if (r) {
4208 				dev_warn(rdev->dev, "(%d) create RLC c bo failed\n", r);
4209 				sumo_rlc_fini(rdev);
4210 				return r;
4211 			}
4212 		}
4213 		r = radeon_bo_reserve(rdev->rlc.clear_state_obj, false);
4214 		if (unlikely(r != 0)) {
4215 			sumo_rlc_fini(rdev);
4216 			return r;
4217 		}
4218 		r = radeon_bo_pin(rdev->rlc.clear_state_obj, RADEON_GEM_DOMAIN_VRAM,
4219 				  &rdev->rlc.clear_state_gpu_addr);
4220 		if (r) {
4221 			radeon_bo_unreserve(rdev->rlc.clear_state_obj);
4222 			dev_warn(rdev->dev, "(%d) pin RLC c bo failed\n", r);
4223 			sumo_rlc_fini(rdev);
4224 			return r;
4225 		}
4226 
4227 		r = radeon_bo_kmap(rdev->rlc.clear_state_obj, (void **)&rdev->rlc.cs_ptr);
4228 		if (r) {
4229 			dev_warn(rdev->dev, "(%d) map RLC c bo failed\n", r);
4230 			sumo_rlc_fini(rdev);
4231 			return r;
4232 		}
4233 		/* set up the cs buffer */
4234 		dst_ptr = rdev->rlc.cs_ptr;
4235 		if (rdev->family >= CHIP_BONAIRE) {
4236 			cik_get_csb_buffer(rdev, dst_ptr);
4237 		} else if (rdev->family >= CHIP_TAHITI) {
4238 			reg_list_mc_addr = rdev->rlc.clear_state_gpu_addr + 256;
4239 			dst_ptr[0] = cpu_to_le32(upper_32_bits(reg_list_mc_addr));
4240 			dst_ptr[1] = cpu_to_le32(lower_32_bits(reg_list_mc_addr));
4241 			dst_ptr[2] = cpu_to_le32(rdev->rlc.clear_state_size);
4242 			si_get_csb_buffer(rdev, &dst_ptr[(256/4)]);
4243 		} else {
4244 			reg_list_hdr_blk_index = 0;
4245 			reg_list_mc_addr = rdev->rlc.clear_state_gpu_addr + (reg_list_blk_index * 4);
4246 			data = upper_32_bits(reg_list_mc_addr);
4247 			dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(data);
4248 			reg_list_hdr_blk_index++;
4249 			for (i = 0; cs_data[i].section != NULL; i++) {
4250 				for (j = 0; cs_data[i].section[j].extent != NULL; j++) {
4251 					reg_num = cs_data[i].section[j].reg_count;
4252 					data = reg_list_mc_addr & 0xffffffff;
4253 					dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(data);
4254 					reg_list_hdr_blk_index++;
4255 
4256 					data = (cs_data[i].section[j].reg_index * 4) & 0xffffffff;
4257 					dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(data);
4258 					reg_list_hdr_blk_index++;
4259 
4260 					data = 0x08000000 | (reg_num * 4);
4261 					dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(data);
4262 					reg_list_hdr_blk_index++;
4263 
4264 					for (k = 0; k < reg_num; k++) {
4265 						data = cs_data[i].section[j].extent[k];
4266 						dst_ptr[reg_list_blk_index + k] = cpu_to_le32(data);
4267 					}
4268 					reg_list_mc_addr += reg_num * 4;
4269 					reg_list_blk_index += reg_num;
4270 				}
4271 			}
4272 			dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(RLC_CLEAR_STATE_END_MARKER);
4273 		}
4274 		radeon_bo_kunmap(rdev->rlc.clear_state_obj);
4275 		radeon_bo_unreserve(rdev->rlc.clear_state_obj);
4276 	}
4277 
4278 	if (rdev->rlc.cp_table_size) {
4279 		if (rdev->rlc.cp_table_obj == NULL) {
4280 			r = radeon_bo_create(rdev, rdev->rlc.cp_table_size,
4281 					     PAGE_SIZE, true,
4282 					     RADEON_GEM_DOMAIN_VRAM, 0, NULL,
4283 					     NULL, &rdev->rlc.cp_table_obj);
4284 			if (r) {
4285 				dev_warn(rdev->dev, "(%d) create RLC cp table bo failed\n", r);
4286 				sumo_rlc_fini(rdev);
4287 				return r;
4288 			}
4289 		}
4290 
4291 		r = radeon_bo_reserve(rdev->rlc.cp_table_obj, false);
4292 		if (unlikely(r != 0)) {
4293 			dev_warn(rdev->dev, "(%d) reserve RLC cp table bo failed\n", r);
4294 			sumo_rlc_fini(rdev);
4295 			return r;
4296 		}
4297 		r = radeon_bo_pin(rdev->rlc.cp_table_obj, RADEON_GEM_DOMAIN_VRAM,
4298 				  &rdev->rlc.cp_table_gpu_addr);
4299 		if (r) {
4300 			radeon_bo_unreserve(rdev->rlc.cp_table_obj);
4301 			dev_warn(rdev->dev, "(%d) pin RLC cp_table bo failed\n", r);
4302 			sumo_rlc_fini(rdev);
4303 			return r;
4304 		}
4305 		r = radeon_bo_kmap(rdev->rlc.cp_table_obj, (void **)&rdev->rlc.cp_table_ptr);
4306 		if (r) {
4307 			dev_warn(rdev->dev, "(%d) map RLC cp table bo failed\n", r);
4308 			sumo_rlc_fini(rdev);
4309 			return r;
4310 		}
4311 
4312 		cik_init_cp_pg_table(rdev);
4313 
4314 		radeon_bo_kunmap(rdev->rlc.cp_table_obj);
4315 		radeon_bo_unreserve(rdev->rlc.cp_table_obj);
4316 
4317 	}
4318 
4319 	return 0;
4320 }
4321 
4322 static void evergreen_rlc_start(struct radeon_device *rdev)
4323 {
4324 	u32 mask = RLC_ENABLE;
4325 
4326 	if (rdev->flags & RADEON_IS_IGP) {
4327 		mask |= GFX_POWER_GATING_ENABLE | GFX_POWER_GATING_SRC;
4328 	}
4329 
4330 	WREG32(RLC_CNTL, mask);
4331 }
4332 
4333 int evergreen_rlc_resume(struct radeon_device *rdev)
4334 {
4335 	u32 i;
4336 	const __be32 *fw_data;
4337 
4338 	if (!rdev->rlc_fw)
4339 		return -EINVAL;
4340 
4341 	r600_rlc_stop(rdev);
4342 
4343 	WREG32(RLC_HB_CNTL, 0);
4344 
4345 	if (rdev->flags & RADEON_IS_IGP) {
4346 		if (rdev->family == CHIP_ARUBA) {
4347 			u32 always_on_bitmap =
4348 				3 | (3 << (16 * rdev->config.cayman.max_shader_engines));
4349 			/* find out the number of active simds */
4350 			u32 tmp = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16;
4351 			tmp |= 0xffffffff << rdev->config.cayman.max_simds_per_se;
4352 			tmp = hweight32(~tmp);
4353 			if (tmp == rdev->config.cayman.max_simds_per_se) {
4354 				WREG32(TN_RLC_LB_ALWAYS_ACTIVE_SIMD_MASK, always_on_bitmap);
4355 				WREG32(TN_RLC_LB_PARAMS, 0x00601004);
4356 				WREG32(TN_RLC_LB_INIT_SIMD_MASK, 0xffffffff);
4357 				WREG32(TN_RLC_LB_CNTR_INIT, 0x00000000);
4358 				WREG32(TN_RLC_LB_CNTR_MAX, 0x00002000);
4359 			}
4360 		} else {
4361 			WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
4362 			WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
4363 		}
4364 		WREG32(TN_RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
4365 		WREG32(TN_RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
4366 	} else {
4367 		WREG32(RLC_HB_BASE, 0);
4368 		WREG32(RLC_HB_RPTR, 0);
4369 		WREG32(RLC_HB_WPTR, 0);
4370 		WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
4371 		WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
4372 	}
4373 	WREG32(RLC_MC_CNTL, 0);
4374 	WREG32(RLC_UCODE_CNTL, 0);
4375 
4376 	fw_data = (const __be32 *)rdev->rlc_fw->data;
4377 	if (rdev->family >= CHIP_ARUBA) {
4378 		for (i = 0; i < ARUBA_RLC_UCODE_SIZE; i++) {
4379 			WREG32(RLC_UCODE_ADDR, i);
4380 			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
4381 		}
4382 	} else if (rdev->family >= CHIP_CAYMAN) {
4383 		for (i = 0; i < CAYMAN_RLC_UCODE_SIZE; i++) {
4384 			WREG32(RLC_UCODE_ADDR, i);
4385 			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
4386 		}
4387 	} else {
4388 		for (i = 0; i < EVERGREEN_RLC_UCODE_SIZE; i++) {
4389 			WREG32(RLC_UCODE_ADDR, i);
4390 			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
4391 		}
4392 	}
4393 	WREG32(RLC_UCODE_ADDR, 0);
4394 
4395 	evergreen_rlc_start(rdev);
4396 
4397 	return 0;
4398 }
4399 
4400 /* Interrupts */
4401 
4402 u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc)
4403 {
4404 	if (crtc >= rdev->num_crtc)
4405 		return 0;
4406 	else
4407 		return RREG32(CRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
4408 }
4409 
4410 void evergreen_disable_interrupt_state(struct radeon_device *rdev)
4411 {
4412 	u32 tmp;
4413 
4414 	if (rdev->family >= CHIP_CAYMAN) {
4415 		cayman_cp_int_cntl_setup(rdev, 0,
4416 					 CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
4417 		cayman_cp_int_cntl_setup(rdev, 1, 0);
4418 		cayman_cp_int_cntl_setup(rdev, 2, 0);
4419 		tmp = RREG32(CAYMAN_DMA1_CNTL) & ~TRAP_ENABLE;
4420 		WREG32(CAYMAN_DMA1_CNTL, tmp);
4421 	} else
4422 		WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
4423 	tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
4424 	WREG32(DMA_CNTL, tmp);
4425 	WREG32(GRBM_INT_CNTL, 0);
4426 	WREG32(SRBM_INT_CNTL, 0);
4427 	WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
4428 	WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
4429 	if (rdev->num_crtc >= 4) {
4430 		WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
4431 		WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
4432 	}
4433 	if (rdev->num_crtc >= 6) {
4434 		WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
4435 		WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
4436 	}
4437 
4438 	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
4439 	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
4440 	if (rdev->num_crtc >= 4) {
4441 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
4442 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
4443 	}
4444 	if (rdev->num_crtc >= 6) {
4445 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
4446 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
4447 	}
4448 
4449 	/* only one DAC on DCE5 */
4450 	if (!ASIC_IS_DCE5(rdev))
4451 		WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
4452 	WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
4453 
4454 	tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
4455 	WREG32(DC_HPD1_INT_CONTROL, tmp);
4456 	tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
4457 	WREG32(DC_HPD2_INT_CONTROL, tmp);
4458 	tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
4459 	WREG32(DC_HPD3_INT_CONTROL, tmp);
4460 	tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
4461 	WREG32(DC_HPD4_INT_CONTROL, tmp);
4462 	tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
4463 	WREG32(DC_HPD5_INT_CONTROL, tmp);
4464 	tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
4465 	WREG32(DC_HPD6_INT_CONTROL, tmp);
4466 
4467 }
4468 
4469 int evergreen_irq_set(struct radeon_device *rdev)
4470 {
4471 	u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
4472 	u32 cp_int_cntl1 = 0, cp_int_cntl2 = 0;
4473 	u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
4474 	u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6;
4475 	u32 grbm_int_cntl = 0;
4476 	u32 afmt1 = 0, afmt2 = 0, afmt3 = 0, afmt4 = 0, afmt5 = 0, afmt6 = 0;
4477 	u32 dma_cntl, dma_cntl1 = 0;
4478 	u32 thermal_int = 0;
4479 
4480 	if (!rdev->irq.installed) {
4481 		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
4482 		return -EINVAL;
4483 	}
4484 	/* don't enable anything if the ih is disabled */
4485 	if (!rdev->ih.enabled) {
4486 		r600_disable_interrupts(rdev);
4487 		/* force the active interrupt state to all disabled */
4488 		evergreen_disable_interrupt_state(rdev);
4489 		return 0;
4490 	}
4491 
4492 	hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~(DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN);
4493 	hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~(DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN);
4494 	hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~(DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN);
4495 	hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~(DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN);
4496 	hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~(DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN);
4497 	hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~(DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN);
4498 	if (rdev->family == CHIP_ARUBA)
4499 		thermal_int = RREG32(TN_CG_THERMAL_INT_CTRL) &
4500 			~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
4501 	else
4502 		thermal_int = RREG32(CG_THERMAL_INT) &
4503 			~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
4504 
4505 	afmt1 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
4506 	afmt2 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
4507 	afmt3 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
4508 	afmt4 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
4509 	afmt5 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
4510 	afmt6 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
4511 
4512 	dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
4513 
4514 	if (rdev->family >= CHIP_CAYMAN) {
4515 		/* enable CP interrupts on all rings */
4516 		if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
4517 			DRM_DEBUG("evergreen_irq_set: sw int gfx\n");
4518 			cp_int_cntl |= TIME_STAMP_INT_ENABLE;
4519 		}
4520 		if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP1_INDEX])) {
4521 			DRM_DEBUG("evergreen_irq_set: sw int cp1\n");
4522 			cp_int_cntl1 |= TIME_STAMP_INT_ENABLE;
4523 		}
4524 		if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP2_INDEX])) {
4525 			DRM_DEBUG("evergreen_irq_set: sw int cp2\n");
4526 			cp_int_cntl2 |= TIME_STAMP_INT_ENABLE;
4527 		}
4528 	} else {
4529 		if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
4530 			DRM_DEBUG("evergreen_irq_set: sw int gfx\n");
4531 			cp_int_cntl |= RB_INT_ENABLE;
4532 			cp_int_cntl |= TIME_STAMP_INT_ENABLE;
4533 		}
4534 	}
4535 
4536 	if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
4537 		DRM_DEBUG("r600_irq_set: sw int dma\n");
4538 		dma_cntl |= TRAP_ENABLE;
4539 	}
4540 
4541 	if (rdev->family >= CHIP_CAYMAN) {
4542 		dma_cntl1 = RREG32(CAYMAN_DMA1_CNTL) & ~TRAP_ENABLE;
4543 		if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_DMA1_INDEX])) {
4544 			DRM_DEBUG("r600_irq_set: sw int dma1\n");
4545 			dma_cntl1 |= TRAP_ENABLE;
4546 		}
4547 	}
4548 
4549 	if (rdev->irq.dpm_thermal) {
4550 		DRM_DEBUG("dpm thermal\n");
4551 		thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW;
4552 	}
4553 
4554 	if (rdev->irq.crtc_vblank_int[0] ||
4555 	    atomic_read(&rdev->irq.pflip[0])) {
4556 		DRM_DEBUG("evergreen_irq_set: vblank 0\n");
4557 		crtc1 |= VBLANK_INT_MASK;
4558 	}
4559 	if (rdev->irq.crtc_vblank_int[1] ||
4560 	    atomic_read(&rdev->irq.pflip[1])) {
4561 		DRM_DEBUG("evergreen_irq_set: vblank 1\n");
4562 		crtc2 |= VBLANK_INT_MASK;
4563 	}
4564 	if (rdev->irq.crtc_vblank_int[2] ||
4565 	    atomic_read(&rdev->irq.pflip[2])) {
4566 		DRM_DEBUG("evergreen_irq_set: vblank 2\n");
4567 		crtc3 |= VBLANK_INT_MASK;
4568 	}
4569 	if (rdev->irq.crtc_vblank_int[3] ||
4570 	    atomic_read(&rdev->irq.pflip[3])) {
4571 		DRM_DEBUG("evergreen_irq_set: vblank 3\n");
4572 		crtc4 |= VBLANK_INT_MASK;
4573 	}
4574 	if (rdev->irq.crtc_vblank_int[4] ||
4575 	    atomic_read(&rdev->irq.pflip[4])) {
4576 		DRM_DEBUG("evergreen_irq_set: vblank 4\n");
4577 		crtc5 |= VBLANK_INT_MASK;
4578 	}
4579 	if (rdev->irq.crtc_vblank_int[5] ||
4580 	    atomic_read(&rdev->irq.pflip[5])) {
4581 		DRM_DEBUG("evergreen_irq_set: vblank 5\n");
4582 		crtc6 |= VBLANK_INT_MASK;
4583 	}
4584 	if (rdev->irq.hpd[0]) {
4585 		DRM_DEBUG("evergreen_irq_set: hpd 1\n");
4586 		hpd1 |= DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN;
4587 	}
4588 	if (rdev->irq.hpd[1]) {
4589 		DRM_DEBUG("evergreen_irq_set: hpd 2\n");
4590 		hpd2 |= DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN;
4591 	}
4592 	if (rdev->irq.hpd[2]) {
4593 		DRM_DEBUG("evergreen_irq_set: hpd 3\n");
4594 		hpd3 |= DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN;
4595 	}
4596 	if (rdev->irq.hpd[3]) {
4597 		DRM_DEBUG("evergreen_irq_set: hpd 4\n");
4598 		hpd4 |= DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN;
4599 	}
4600 	if (rdev->irq.hpd[4]) {
4601 		DRM_DEBUG("evergreen_irq_set: hpd 5\n");
4602 		hpd5 |= DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN;
4603 	}
4604 	if (rdev->irq.hpd[5]) {
4605 		DRM_DEBUG("evergreen_irq_set: hpd 6\n");
4606 		hpd6 |= DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN;
4607 	}
4608 	if (rdev->irq.afmt[0]) {
4609 		DRM_DEBUG("evergreen_irq_set: hdmi 0\n");
4610 		afmt1 |= AFMT_AZ_FORMAT_WTRIG_MASK;
4611 	}
4612 	if (rdev->irq.afmt[1]) {
4613 		DRM_DEBUG("evergreen_irq_set: hdmi 1\n");
4614 		afmt2 |= AFMT_AZ_FORMAT_WTRIG_MASK;
4615 	}
4616 	if (rdev->irq.afmt[2]) {
4617 		DRM_DEBUG("evergreen_irq_set: hdmi 2\n");
4618 		afmt3 |= AFMT_AZ_FORMAT_WTRIG_MASK;
4619 	}
4620 	if (rdev->irq.afmt[3]) {
4621 		DRM_DEBUG("evergreen_irq_set: hdmi 3\n");
4622 		afmt4 |= AFMT_AZ_FORMAT_WTRIG_MASK;
4623 	}
4624 	if (rdev->irq.afmt[4]) {
4625 		DRM_DEBUG("evergreen_irq_set: hdmi 4\n");
4626 		afmt5 |= AFMT_AZ_FORMAT_WTRIG_MASK;
4627 	}
4628 	if (rdev->irq.afmt[5]) {
4629 		DRM_DEBUG("evergreen_irq_set: hdmi 5\n");
4630 		afmt6 |= AFMT_AZ_FORMAT_WTRIG_MASK;
4631 	}
4632 
4633 	if (rdev->family >= CHIP_CAYMAN) {
4634 		cayman_cp_int_cntl_setup(rdev, 0, cp_int_cntl);
4635 		cayman_cp_int_cntl_setup(rdev, 1, cp_int_cntl1);
4636 		cayman_cp_int_cntl_setup(rdev, 2, cp_int_cntl2);
4637 	} else
4638 		WREG32(CP_INT_CNTL, cp_int_cntl);
4639 
4640 	WREG32(DMA_CNTL, dma_cntl);
4641 
4642 	if (rdev->family >= CHIP_CAYMAN)
4643 		WREG32(CAYMAN_DMA1_CNTL, dma_cntl1);
4644 
4645 	WREG32(GRBM_INT_CNTL, grbm_int_cntl);
4646 
4647 	WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
4648 	WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
4649 	if (rdev->num_crtc >= 4) {
4650 		WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3);
4651 		WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4);
4652 	}
4653 	if (rdev->num_crtc >= 6) {
4654 		WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5);
4655 		WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6);
4656 	}
4657 
4658 	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET,
4659 	       GRPH_PFLIP_INT_MASK);
4660 	WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET,
4661 	       GRPH_PFLIP_INT_MASK);
4662 	if (rdev->num_crtc >= 4) {
4663 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET,
4664 		       GRPH_PFLIP_INT_MASK);
4665 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET,
4666 		       GRPH_PFLIP_INT_MASK);
4667 	}
4668 	if (rdev->num_crtc >= 6) {
4669 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET,
4670 		       GRPH_PFLIP_INT_MASK);
4671 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET,
4672 		       GRPH_PFLIP_INT_MASK);
4673 	}
4674 
4675 	WREG32(DC_HPD1_INT_CONTROL, hpd1);
4676 	WREG32(DC_HPD2_INT_CONTROL, hpd2);
4677 	WREG32(DC_HPD3_INT_CONTROL, hpd3);
4678 	WREG32(DC_HPD4_INT_CONTROL, hpd4);
4679 	WREG32(DC_HPD5_INT_CONTROL, hpd5);
4680 	WREG32(DC_HPD6_INT_CONTROL, hpd6);
4681 	if (rdev->family == CHIP_ARUBA)
4682 		WREG32(TN_CG_THERMAL_INT_CTRL, thermal_int);
4683 	else
4684 		WREG32(CG_THERMAL_INT, thermal_int);
4685 
4686 	WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, afmt1);
4687 	WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, afmt2);
4688 	WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, afmt3);
4689 	WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, afmt4);
4690 	WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, afmt5);
4691 	WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, afmt6);
4692 
4693 	/* posting read */
4694 	RREG32(SRBM_STATUS);
4695 
4696 	return 0;
4697 }
4698 
4699 static void evergreen_irq_ack(struct radeon_device *rdev)
4700 {
4701 	u32 tmp;
4702 
4703 	rdev->irq.stat_regs.evergreen.disp_int = RREG32(DISP_INTERRUPT_STATUS);
4704 	rdev->irq.stat_regs.evergreen.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
4705 	rdev->irq.stat_regs.evergreen.disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2);
4706 	rdev->irq.stat_regs.evergreen.disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3);
4707 	rdev->irq.stat_regs.evergreen.disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4);
4708 	rdev->irq.stat_regs.evergreen.disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5);
4709 	rdev->irq.stat_regs.evergreen.d1grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET);
4710 	rdev->irq.stat_regs.evergreen.d2grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET);
4711 	if (rdev->num_crtc >= 4) {
4712 		rdev->irq.stat_regs.evergreen.d3grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET);
4713 		rdev->irq.stat_regs.evergreen.d4grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET);
4714 	}
4715 	if (rdev->num_crtc >= 6) {
4716 		rdev->irq.stat_regs.evergreen.d5grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET);
4717 		rdev->irq.stat_regs.evergreen.d6grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET);
4718 	}
4719 
4720 	rdev->irq.stat_regs.evergreen.afmt_status1 = RREG32(AFMT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET);
4721 	rdev->irq.stat_regs.evergreen.afmt_status2 = RREG32(AFMT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET);
4722 	rdev->irq.stat_regs.evergreen.afmt_status3 = RREG32(AFMT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET);
4723 	rdev->irq.stat_regs.evergreen.afmt_status4 = RREG32(AFMT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET);
4724 	rdev->irq.stat_regs.evergreen.afmt_status5 = RREG32(AFMT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET);
4725 	rdev->irq.stat_regs.evergreen.afmt_status6 = RREG32(AFMT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET);
4726 
4727 	if (rdev->irq.stat_regs.evergreen.d1grph_int & GRPH_PFLIP_INT_OCCURRED)
4728 		WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
4729 	if (rdev->irq.stat_regs.evergreen.d2grph_int & GRPH_PFLIP_INT_OCCURRED)
4730 		WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
4731 	if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT)
4732 		WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK);
4733 	if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT)
4734 		WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK);
4735 	if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT)
4736 		WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK);
4737 	if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT)
4738 		WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK);
4739 
4740 	if (rdev->num_crtc >= 4) {
4741 		if (rdev->irq.stat_regs.evergreen.d3grph_int & GRPH_PFLIP_INT_OCCURRED)
4742 			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
4743 		if (rdev->irq.stat_regs.evergreen.d4grph_int & GRPH_PFLIP_INT_OCCURRED)
4744 			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
4745 		if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)
4746 			WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK);
4747 		if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT)
4748 			WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK);
4749 		if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)
4750 			WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK);
4751 		if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT)
4752 			WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK);
4753 	}
4754 
4755 	if (rdev->num_crtc >= 6) {
4756 		if (rdev->irq.stat_regs.evergreen.d5grph_int & GRPH_PFLIP_INT_OCCURRED)
4757 			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
4758 		if (rdev->irq.stat_regs.evergreen.d6grph_int & GRPH_PFLIP_INT_OCCURRED)
4759 			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
4760 		if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)
4761 			WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK);
4762 		if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT)
4763 			WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK);
4764 		if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)
4765 			WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK);
4766 		if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT)
4767 			WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK);
4768 	}
4769 
4770 	if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
4771 		tmp = RREG32(DC_HPD1_INT_CONTROL);
4772 		tmp |= DC_HPDx_INT_ACK;
4773 		WREG32(DC_HPD1_INT_CONTROL, tmp);
4774 	}
4775 	if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
4776 		tmp = RREG32(DC_HPD2_INT_CONTROL);
4777 		tmp |= DC_HPDx_INT_ACK;
4778 		WREG32(DC_HPD2_INT_CONTROL, tmp);
4779 	}
4780 	if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
4781 		tmp = RREG32(DC_HPD3_INT_CONTROL);
4782 		tmp |= DC_HPDx_INT_ACK;
4783 		WREG32(DC_HPD3_INT_CONTROL, tmp);
4784 	}
4785 	if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
4786 		tmp = RREG32(DC_HPD4_INT_CONTROL);
4787 		tmp |= DC_HPDx_INT_ACK;
4788 		WREG32(DC_HPD4_INT_CONTROL, tmp);
4789 	}
4790 	if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
4791 		tmp = RREG32(DC_HPD5_INT_CONTROL);
4792 		tmp |= DC_HPDx_INT_ACK;
4793 		WREG32(DC_HPD5_INT_CONTROL, tmp);
4794 	}
4795 	if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
4796 		tmp = RREG32(DC_HPD5_INT_CONTROL);
4797 		tmp |= DC_HPDx_INT_ACK;
4798 		WREG32(DC_HPD6_INT_CONTROL, tmp);
4799 	}
4800 
4801 	if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_RX_INTERRUPT) {
4802 		tmp = RREG32(DC_HPD1_INT_CONTROL);
4803 		tmp |= DC_HPDx_RX_INT_ACK;
4804 		WREG32(DC_HPD1_INT_CONTROL, tmp);
4805 	}
4806 	if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_RX_INTERRUPT) {
4807 		tmp = RREG32(DC_HPD2_INT_CONTROL);
4808 		tmp |= DC_HPDx_RX_INT_ACK;
4809 		WREG32(DC_HPD2_INT_CONTROL, tmp);
4810 	}
4811 	if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_RX_INTERRUPT) {
4812 		tmp = RREG32(DC_HPD3_INT_CONTROL);
4813 		tmp |= DC_HPDx_RX_INT_ACK;
4814 		WREG32(DC_HPD3_INT_CONTROL, tmp);
4815 	}
4816 	if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_RX_INTERRUPT) {
4817 		tmp = RREG32(DC_HPD4_INT_CONTROL);
4818 		tmp |= DC_HPDx_RX_INT_ACK;
4819 		WREG32(DC_HPD4_INT_CONTROL, tmp);
4820 	}
4821 	if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_RX_INTERRUPT) {
4822 		tmp = RREG32(DC_HPD5_INT_CONTROL);
4823 		tmp |= DC_HPDx_RX_INT_ACK;
4824 		WREG32(DC_HPD5_INT_CONTROL, tmp);
4825 	}
4826 	if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_RX_INTERRUPT) {
4827 		tmp = RREG32(DC_HPD5_INT_CONTROL);
4828 		tmp |= DC_HPDx_RX_INT_ACK;
4829 		WREG32(DC_HPD6_INT_CONTROL, tmp);
4830 	}
4831 
4832 	if (rdev->irq.stat_regs.evergreen.afmt_status1 & AFMT_AZ_FORMAT_WTRIG) {
4833 		tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET);
4834 		tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
4835 		WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, tmp);
4836 	}
4837 	if (rdev->irq.stat_regs.evergreen.afmt_status2 & AFMT_AZ_FORMAT_WTRIG) {
4838 		tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET);
4839 		tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
4840 		WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, tmp);
4841 	}
4842 	if (rdev->irq.stat_regs.evergreen.afmt_status3 & AFMT_AZ_FORMAT_WTRIG) {
4843 		tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET);
4844 		tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
4845 		WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, tmp);
4846 	}
4847 	if (rdev->irq.stat_regs.evergreen.afmt_status4 & AFMT_AZ_FORMAT_WTRIG) {
4848 		tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET);
4849 		tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
4850 		WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, tmp);
4851 	}
4852 	if (rdev->irq.stat_regs.evergreen.afmt_status5 & AFMT_AZ_FORMAT_WTRIG) {
4853 		tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET);
4854 		tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
4855 		WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, tmp);
4856 	}
4857 	if (rdev->irq.stat_regs.evergreen.afmt_status6 & AFMT_AZ_FORMAT_WTRIG) {
4858 		tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
4859 		tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
4860 		WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, tmp);
4861 	}
4862 }
4863 
4864 static void evergreen_irq_disable(struct radeon_device *rdev)
4865 {
4866 	r600_disable_interrupts(rdev);
4867 	/* Wait and acknowledge irq */
4868 	mdelay(1);
4869 	evergreen_irq_ack(rdev);
4870 	evergreen_disable_interrupt_state(rdev);
4871 }
4872 
4873 void evergreen_irq_suspend(struct radeon_device *rdev)
4874 {
4875 	evergreen_irq_disable(rdev);
4876 	r600_rlc_stop(rdev);
4877 }
4878 
4879 static u32 evergreen_get_ih_wptr(struct radeon_device *rdev)
4880 {
4881 	u32 wptr, tmp;
4882 
4883 	if (rdev->wb.enabled)
4884 		wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
4885 	else
4886 		wptr = RREG32(IH_RB_WPTR);
4887 
4888 	if (wptr & RB_OVERFLOW) {
4889 		wptr &= ~RB_OVERFLOW;
4890 		/* When a ring buffer overflow happen start parsing interrupt
4891 		 * from the last not overwritten vector (wptr + 16). Hopefully
4892 		 * this should allow us to catchup.
4893 		 */
4894 		dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
4895 			 wptr, rdev->ih.rptr, (wptr + 16) & rdev->ih.ptr_mask);
4896 		rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
4897 		tmp = RREG32(IH_RB_CNTL);
4898 		tmp |= IH_WPTR_OVERFLOW_CLEAR;
4899 		WREG32(IH_RB_CNTL, tmp);
4900 	}
4901 	return (wptr & rdev->ih.ptr_mask);
4902 }
4903 
4904 int evergreen_irq_process(struct radeon_device *rdev)
4905 {
4906 	u32 wptr;
4907 	u32 rptr;
4908 	u32 src_id, src_data;
4909 	u32 ring_index;
4910 	bool queue_hotplug = false;
4911 	bool queue_hdmi = false;
4912 	bool queue_dp = false;
4913 	bool queue_thermal = false;
4914 	u32 status, addr;
4915 
4916 	if (!rdev->ih.enabled || rdev->shutdown)
4917 		return IRQ_NONE;
4918 
4919 	wptr = evergreen_get_ih_wptr(rdev);
4920 
4921 restart_ih:
4922 	/* is somebody else already processing irqs? */
4923 	if (atomic_xchg(&rdev->ih.lock, 1))
4924 		return IRQ_NONE;
4925 
4926 	rptr = rdev->ih.rptr;
4927 	DRM_DEBUG("evergreen_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
4928 
4929 	/* Order reading of wptr vs. reading of IH ring data */
4930 	rmb();
4931 
4932 	/* display interrupts */
4933 	evergreen_irq_ack(rdev);
4934 
4935 	while (rptr != wptr) {
4936 		/* wptr/rptr are in bytes! */
4937 		ring_index = rptr / 4;
4938 		src_id =  le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
4939 		src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
4940 
4941 		switch (src_id) {
4942 		case 1: /* D1 vblank/vline */
4943 			switch (src_data) {
4944 			case 0: /* D1 vblank */
4945 				if (!(rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT))
4946 					DRM_DEBUG("IH: D1 vblank - IH event w/o asserted irq bit?\n");
4947 
4948 				if (rdev->irq.crtc_vblank_int[0]) {
4949 					drm_handle_vblank(rdev->ddev, 0);
4950 					rdev->pm.vblank_sync = true;
4951 					wake_up(&rdev->irq.vblank_queue);
4952 				}
4953 				if (atomic_read(&rdev->irq.pflip[0]))
4954 					radeon_crtc_handle_vblank(rdev, 0);
4955 				rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
4956 				DRM_DEBUG("IH: D1 vblank\n");
4957 
4958 				break;
4959 			case 1: /* D1 vline */
4960 				if (!(rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT))
4961 					DRM_DEBUG("IH: D1 vline - IH event w/o asserted irq bit?\n");
4962 
4963 				rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VLINE_INTERRUPT;
4964 				DRM_DEBUG("IH: D1 vline\n");
4965 
4966 				break;
4967 			default:
4968 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4969 				break;
4970 			}
4971 			break;
4972 		case 2: /* D2 vblank/vline */
4973 			switch (src_data) {
4974 			case 0: /* D2 vblank */
4975 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT))
4976 					DRM_DEBUG("IH: D2 vblank - IH event w/o asserted irq bit?\n");
4977 
4978 				if (rdev->irq.crtc_vblank_int[1]) {
4979 					drm_handle_vblank(rdev->ddev, 1);
4980 					rdev->pm.vblank_sync = true;
4981 					wake_up(&rdev->irq.vblank_queue);
4982 				}
4983 				if (atomic_read(&rdev->irq.pflip[1]))
4984 					radeon_crtc_handle_vblank(rdev, 1);
4985 				rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
4986 				DRM_DEBUG("IH: D2 vblank\n");
4987 
4988 				break;
4989 			case 1: /* D2 vline */
4990 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT))
4991 					DRM_DEBUG("IH: D2 vline - IH event w/o asserted irq bit?\n");
4992 
4993 				rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT;
4994 				DRM_DEBUG("IH: D2 vline\n");
4995 
4996 				break;
4997 			default:
4998 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4999 				break;
5000 			}
5001 			break;
5002 		case 3: /* D3 vblank/vline */
5003 			switch (src_data) {
5004 			case 0: /* D3 vblank */
5005 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT))
5006 					DRM_DEBUG("IH: D3 vblank - IH event w/o asserted irq bit?\n");
5007 
5008 				if (rdev->irq.crtc_vblank_int[2]) {
5009 					drm_handle_vblank(rdev->ddev, 2);
5010 					rdev->pm.vblank_sync = true;
5011 					wake_up(&rdev->irq.vblank_queue);
5012 				}
5013 				if (atomic_read(&rdev->irq.pflip[2]))
5014 					radeon_crtc_handle_vblank(rdev, 2);
5015 				rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
5016 				DRM_DEBUG("IH: D3 vblank\n");
5017 
5018 				break;
5019 			case 1: /* D3 vline */
5020 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT))
5021 					DRM_DEBUG("IH: D3 vline - IH event w/o asserted irq bit?\n");
5022 
5023 				rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT;
5024 				DRM_DEBUG("IH: D3 vline\n");
5025 
5026 				break;
5027 			default:
5028 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
5029 				break;
5030 			}
5031 			break;
5032 		case 4: /* D4 vblank/vline */
5033 			switch (src_data) {
5034 			case 0: /* D4 vblank */
5035 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT))
5036 					DRM_DEBUG("IH: D4 vblank - IH event w/o asserted irq bit?\n");
5037 
5038 				if (rdev->irq.crtc_vblank_int[3]) {
5039 					drm_handle_vblank(rdev->ddev, 3);
5040 					rdev->pm.vblank_sync = true;
5041 					wake_up(&rdev->irq.vblank_queue);
5042 				}
5043 				if (atomic_read(&rdev->irq.pflip[3]))
5044 					radeon_crtc_handle_vblank(rdev, 3);
5045 				rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
5046 				DRM_DEBUG("IH: D4 vblank\n");
5047 
5048 				break;
5049 			case 1: /* D4 vline */
5050 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT))
5051 					DRM_DEBUG("IH: D4 vline - IH event w/o asserted irq bit?\n");
5052 
5053 				rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT;
5054 				DRM_DEBUG("IH: D4 vline\n");
5055 
5056 				break;
5057 			default:
5058 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
5059 				break;
5060 			}
5061 			break;
5062 		case 5: /* D5 vblank/vline */
5063 			switch (src_data) {
5064 			case 0: /* D5 vblank */
5065 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT))
5066 					DRM_DEBUG("IH: D5 vblank - IH event w/o asserted irq bit?\n");
5067 
5068 				if (rdev->irq.crtc_vblank_int[4]) {
5069 					drm_handle_vblank(rdev->ddev, 4);
5070 					rdev->pm.vblank_sync = true;
5071 					wake_up(&rdev->irq.vblank_queue);
5072 				}
5073 				if (atomic_read(&rdev->irq.pflip[4]))
5074 					radeon_crtc_handle_vblank(rdev, 4);
5075 				rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
5076 				DRM_DEBUG("IH: D5 vblank\n");
5077 
5078 				break;
5079 			case 1: /* D5 vline */
5080 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT))
5081 					DRM_DEBUG("IH: D5 vline - IH event w/o asserted irq bit?\n");
5082 
5083 				rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT;
5084 				DRM_DEBUG("IH: D5 vline\n");
5085 
5086 				break;
5087 			default:
5088 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
5089 				break;
5090 			}
5091 			break;
5092 		case 6: /* D6 vblank/vline */
5093 			switch (src_data) {
5094 			case 0: /* D6 vblank */
5095 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT))
5096 					DRM_DEBUG("IH: D6 vblank - IH event w/o asserted irq bit?\n");
5097 
5098 				if (rdev->irq.crtc_vblank_int[5]) {
5099 					drm_handle_vblank(rdev->ddev, 5);
5100 					rdev->pm.vblank_sync = true;
5101 					wake_up(&rdev->irq.vblank_queue);
5102 				}
5103 				if (atomic_read(&rdev->irq.pflip[5]))
5104 					radeon_crtc_handle_vblank(rdev, 5);
5105 				rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
5106 				DRM_DEBUG("IH: D6 vblank\n");
5107 
5108 				break;
5109 			case 1: /* D6 vline */
5110 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT))
5111 					DRM_DEBUG("IH: D6 vline - IH event w/o asserted irq bit?\n");
5112 
5113 				rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT;
5114 				DRM_DEBUG("IH: D6 vline\n");
5115 
5116 				break;
5117 			default:
5118 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
5119 				break;
5120 			}
5121 			break;
5122 		case 8: /* D1 page flip */
5123 		case 10: /* D2 page flip */
5124 		case 12: /* D3 page flip */
5125 		case 14: /* D4 page flip */
5126 		case 16: /* D5 page flip */
5127 		case 18: /* D6 page flip */
5128 			DRM_DEBUG("IH: D%d flip\n", ((src_id - 8) >> 1) + 1);
5129 			if (radeon_use_pflipirq > 0)
5130 				radeon_crtc_handle_flip(rdev, (src_id - 8) >> 1);
5131 			break;
5132 		case 42: /* HPD hotplug */
5133 			switch (src_data) {
5134 			case 0:
5135 				if (!(rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT))
5136 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
5137 
5138 				rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_INTERRUPT;
5139 				queue_hotplug = true;
5140 				DRM_DEBUG("IH: HPD1\n");
5141 				break;
5142 			case 1:
5143 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT))
5144 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
5145 
5146 				rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_INTERRUPT;
5147 				queue_hotplug = true;
5148 				DRM_DEBUG("IH: HPD2\n");
5149 				break;
5150 			case 2:
5151 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT))
5152 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
5153 
5154 				rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_INTERRUPT;
5155 				queue_hotplug = true;
5156 				DRM_DEBUG("IH: HPD3\n");
5157 				break;
5158 			case 3:
5159 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT))
5160 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
5161 
5162 				rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_INTERRUPT;
5163 				queue_hotplug = true;
5164 				DRM_DEBUG("IH: HPD4\n");
5165 				break;
5166 			case 4:
5167 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT))
5168 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
5169 
5170 				rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_INTERRUPT;
5171 				queue_hotplug = true;
5172 				DRM_DEBUG("IH: HPD5\n");
5173 				break;
5174 			case 5:
5175 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT))
5176 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
5177 
5178 				rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_INTERRUPT;
5179 				queue_hotplug = true;
5180 				DRM_DEBUG("IH: HPD6\n");
5181 				break;
5182 			case 6:
5183 				if (!(rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_RX_INTERRUPT))
5184 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
5185 
5186 				rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_RX_INTERRUPT;
5187 				queue_dp = true;
5188 				DRM_DEBUG("IH: HPD_RX 1\n");
5189 				break;
5190 			case 7:
5191 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_RX_INTERRUPT))
5192 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
5193 
5194 				rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_RX_INTERRUPT;
5195 				queue_dp = true;
5196 				DRM_DEBUG("IH: HPD_RX 2\n");
5197 				break;
5198 			case 8:
5199 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_RX_INTERRUPT))
5200 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
5201 
5202 				rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_RX_INTERRUPT;
5203 				queue_dp = true;
5204 				DRM_DEBUG("IH: HPD_RX 3\n");
5205 				break;
5206 			case 9:
5207 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_RX_INTERRUPT))
5208 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
5209 
5210 				rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_RX_INTERRUPT;
5211 				queue_dp = true;
5212 				DRM_DEBUG("IH: HPD_RX 4\n");
5213 				break;
5214 			case 10:
5215 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_RX_INTERRUPT))
5216 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
5217 
5218 				rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_RX_INTERRUPT;
5219 				queue_dp = true;
5220 				DRM_DEBUG("IH: HPD_RX 5\n");
5221 				break;
5222 			case 11:
5223 				if (!(rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_RX_INTERRUPT))
5224 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
5225 
5226 				rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_RX_INTERRUPT;
5227 				queue_dp = true;
5228 				DRM_DEBUG("IH: HPD_RX 6\n");
5229 				break;
5230 			default:
5231 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
5232 				break;
5233 			}
5234 			break;
5235 		case 44: /* hdmi */
5236 			switch (src_data) {
5237 			case 0:
5238 				if (!(rdev->irq.stat_regs.evergreen.afmt_status1 & AFMT_AZ_FORMAT_WTRIG))
5239 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
5240 
5241 				rdev->irq.stat_regs.evergreen.afmt_status1 &= ~AFMT_AZ_FORMAT_WTRIG;
5242 				queue_hdmi = true;
5243 				DRM_DEBUG("IH: HDMI0\n");
5244 				break;
5245 			case 1:
5246 				if (!(rdev->irq.stat_regs.evergreen.afmt_status2 & AFMT_AZ_FORMAT_WTRIG))
5247 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
5248 
5249 				rdev->irq.stat_regs.evergreen.afmt_status2 &= ~AFMT_AZ_FORMAT_WTRIG;
5250 				queue_hdmi = true;
5251 				DRM_DEBUG("IH: HDMI1\n");
5252 				break;
5253 			case 2:
5254 				if (!(rdev->irq.stat_regs.evergreen.afmt_status3 & AFMT_AZ_FORMAT_WTRIG))
5255 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
5256 
5257 				rdev->irq.stat_regs.evergreen.afmt_status3 &= ~AFMT_AZ_FORMAT_WTRIG;
5258 				queue_hdmi = true;
5259 				DRM_DEBUG("IH: HDMI2\n");
5260 				break;
5261 			case 3:
5262 				if (!(rdev->irq.stat_regs.evergreen.afmt_status4 & AFMT_AZ_FORMAT_WTRIG))
5263 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
5264 
5265 				rdev->irq.stat_regs.evergreen.afmt_status4 &= ~AFMT_AZ_FORMAT_WTRIG;
5266 				queue_hdmi = true;
5267 				DRM_DEBUG("IH: HDMI3\n");
5268 				break;
5269 			case 4:
5270 				if (!(rdev->irq.stat_regs.evergreen.afmt_status5 & AFMT_AZ_FORMAT_WTRIG))
5271 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
5272 
5273 				rdev->irq.stat_regs.evergreen.afmt_status5 &= ~AFMT_AZ_FORMAT_WTRIG;
5274 				queue_hdmi = true;
5275 				DRM_DEBUG("IH: HDMI4\n");
5276 				break;
5277 			case 5:
5278 				if (!(rdev->irq.stat_regs.evergreen.afmt_status6 & AFMT_AZ_FORMAT_WTRIG))
5279 					DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
5280 
5281 				rdev->irq.stat_regs.evergreen.afmt_status6 &= ~AFMT_AZ_FORMAT_WTRIG;
5282 				queue_hdmi = true;
5283 				DRM_DEBUG("IH: HDMI5\n");
5284 				break;
5285 			default:
5286 				DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data);
5287 				break;
5288 			}
5289 		case 96:
5290 			DRM_ERROR("SRBM_READ_ERROR: 0x%x\n", RREG32(SRBM_READ_ERROR));
5291 			WREG32(SRBM_INT_ACK, 0x1);
5292 			break;
5293 		case 124: /* UVD */
5294 			DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
5295 			radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
5296 			break;
5297 		case 146:
5298 		case 147:
5299 			addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR);
5300 			status = RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS);
5301 			/* reset addr and status */
5302 			WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
5303 			if (addr == 0x0 && status == 0x0)
5304 				break;
5305 			dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data);
5306 			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
5307 				addr);
5308 			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
5309 				status);
5310 			cayman_vm_decode_fault(rdev, status, addr);
5311 			break;
5312 		case 176: /* CP_INT in ring buffer */
5313 		case 177: /* CP_INT in IB1 */
5314 		case 178: /* CP_INT in IB2 */
5315 			DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
5316 			radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
5317 			break;
5318 		case 181: /* CP EOP event */
5319 			DRM_DEBUG("IH: CP EOP\n");
5320 			if (rdev->family >= CHIP_CAYMAN) {
5321 				switch (src_data) {
5322 				case 0:
5323 					radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
5324 					break;
5325 				case 1:
5326 					radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
5327 					break;
5328 				case 2:
5329 					radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
5330 					break;
5331 				}
5332 			} else
5333 				radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
5334 			break;
5335 		case 224: /* DMA trap event */
5336 			DRM_DEBUG("IH: DMA trap\n");
5337 			radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
5338 			break;
5339 		case 230: /* thermal low to high */
5340 			DRM_DEBUG("IH: thermal low to high\n");
5341 			rdev->pm.dpm.thermal.high_to_low = false;
5342 			queue_thermal = true;
5343 			break;
5344 		case 231: /* thermal high to low */
5345 			DRM_DEBUG("IH: thermal high to low\n");
5346 			rdev->pm.dpm.thermal.high_to_low = true;
5347 			queue_thermal = true;
5348 			break;
5349 		case 233: /* GUI IDLE */
5350 			DRM_DEBUG("IH: GUI idle\n");
5351 			break;
5352 		case 244: /* DMA trap event */
5353 			if (rdev->family >= CHIP_CAYMAN) {
5354 				DRM_DEBUG("IH: DMA1 trap\n");
5355 				radeon_fence_process(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
5356 			}
5357 			break;
5358 		default:
5359 			DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
5360 			break;
5361 		}
5362 
5363 		/* wptr/rptr are in bytes! */
5364 		rptr += 16;
5365 		rptr &= rdev->ih.ptr_mask;
5366 		WREG32(IH_RB_RPTR, rptr);
5367 	}
5368 	if (queue_dp)
5369 		schedule_work(&rdev->dp_work);
5370 	if (queue_hotplug)
5371 		schedule_work(&rdev->hotplug_work);
5372 	if (queue_hdmi)
5373 		schedule_work(&rdev->audio_work);
5374 	if (queue_thermal && rdev->pm.dpm_enabled)
5375 		schedule_work(&rdev->pm.dpm.thermal.work);
5376 	rdev->ih.rptr = rptr;
5377 	atomic_set(&rdev->ih.lock, 0);
5378 
5379 	/* make sure wptr hasn't changed while processing */
5380 	wptr = evergreen_get_ih_wptr(rdev);
5381 	if (wptr != rptr)
5382 		goto restart_ih;
5383 
5384 	return IRQ_HANDLED;
5385 }
5386 
5387 static int evergreen_startup(struct radeon_device *rdev)
5388 {
5389 	struct radeon_ring *ring;
5390 	int r;
5391 
5392 	/* enable pcie gen2 link */
5393 	evergreen_pcie_gen2_enable(rdev);
5394 	/* enable aspm */
5395 	evergreen_program_aspm(rdev);
5396 
5397 	/* scratch needs to be initialized before MC */
5398 	r = r600_vram_scratch_init(rdev);
5399 	if (r)
5400 		return r;
5401 
5402 	evergreen_mc_program(rdev);
5403 
5404 	if (ASIC_IS_DCE5(rdev) && !rdev->pm.dpm_enabled) {
5405 		r = ni_mc_load_microcode(rdev);
5406 		if (r) {
5407 			DRM_ERROR("Failed to load MC firmware!\n");
5408 			return r;
5409 		}
5410 	}
5411 
5412 	if (rdev->flags & RADEON_IS_AGP) {
5413 		evergreen_agp_enable(rdev);
5414 	} else {
5415 		r = evergreen_pcie_gart_enable(rdev);
5416 		if (r)
5417 			return r;
5418 	}
5419 	evergreen_gpu_init(rdev);
5420 
5421 	/* allocate rlc buffers */
5422 	if (rdev->flags & RADEON_IS_IGP) {
5423 		rdev->rlc.reg_list = sumo_rlc_save_restore_register_list;
5424 		rdev->rlc.reg_list_size =
5425 			(u32)ARRAY_SIZE(sumo_rlc_save_restore_register_list);
5426 		rdev->rlc.cs_data = evergreen_cs_data;
5427 		r = sumo_rlc_init(rdev);
5428 		if (r) {
5429 			DRM_ERROR("Failed to init rlc BOs!\n");
5430 			return r;
5431 		}
5432 	}
5433 
5434 	/* allocate wb buffer */
5435 	r = radeon_wb_init(rdev);
5436 	if (r)
5437 		return r;
5438 
5439 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
5440 	if (r) {
5441 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
5442 		return r;
5443 	}
5444 
5445 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
5446 	if (r) {
5447 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
5448 		return r;
5449 	}
5450 
5451 	r = uvd_v2_2_resume(rdev);
5452 	if (!r) {
5453 		r = radeon_fence_driver_start_ring(rdev,
5454 						   R600_RING_TYPE_UVD_INDEX);
5455 		if (r)
5456 			dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
5457 	}
5458 
5459 	if (r)
5460 		rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
5461 
5462 	/* Enable IRQ */
5463 	if (!rdev->irq.installed) {
5464 		r = radeon_irq_kms_init(rdev);
5465 		if (r)
5466 			return r;
5467 	}
5468 
5469 	r = r600_irq_init(rdev);
5470 	if (r) {
5471 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
5472 		radeon_irq_kms_fini(rdev);
5473 		return r;
5474 	}
5475 	evergreen_irq_set(rdev);
5476 
5477 	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
5478 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
5479 			     RADEON_CP_PACKET2);
5480 	if (r)
5481 		return r;
5482 
5483 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
5484 	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
5485 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0));
5486 	if (r)
5487 		return r;
5488 
5489 	r = evergreen_cp_load_microcode(rdev);
5490 	if (r)
5491 		return r;
5492 	r = evergreen_cp_resume(rdev);
5493 	if (r)
5494 		return r;
5495 	r = r600_dma_resume(rdev);
5496 	if (r)
5497 		return r;
5498 
5499 	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
5500 	if (ring->ring_size) {
5501 		r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
5502 				     RADEON_CP_PACKET2);
5503 		if (!r)
5504 			r = uvd_v1_0_init(rdev);
5505 
5506 		if (r)
5507 			DRM_ERROR("radeon: error initializing UVD (%d).\n", r);
5508 	}
5509 
5510 	r = radeon_ib_pool_init(rdev);
5511 	if (r) {
5512 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
5513 		return r;
5514 	}
5515 
5516 	r = radeon_audio_init(rdev);
5517 	if (r) {
5518 		DRM_ERROR("radeon: audio init failed\n");
5519 		return r;
5520 	}
5521 
5522 	return 0;
5523 }
5524 
5525 int evergreen_resume(struct radeon_device *rdev)
5526 {
5527 	int r;
5528 
5529 	/* reset the asic, the gfx blocks are often in a bad state
5530 	 * after the driver is unloaded or after a resume
5531 	 */
5532 	if (radeon_asic_reset(rdev))
5533 		dev_warn(rdev->dev, "GPU reset failed !\n");
5534 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
5535 	 * posting will perform necessary task to bring back GPU into good
5536 	 * shape.
5537 	 */
5538 	/* post card */
5539 	atom_asic_init(rdev->mode_info.atom_context);
5540 
5541 	/* init golden registers */
5542 	evergreen_init_golden_registers(rdev);
5543 
5544 	if (rdev->pm.pm_method == PM_METHOD_DPM)
5545 		radeon_pm_resume(rdev);
5546 
5547 	rdev->accel_working = true;
5548 	r = evergreen_startup(rdev);
5549 	if (r) {
5550 		DRM_ERROR("evergreen startup failed on resume\n");
5551 		rdev->accel_working = false;
5552 		return r;
5553 	}
5554 
5555 	return r;
5556 
5557 }
5558 
5559 int evergreen_suspend(struct radeon_device *rdev)
5560 {
5561 	radeon_pm_suspend(rdev);
5562 	radeon_audio_fini(rdev);
5563 	uvd_v1_0_fini(rdev);
5564 	radeon_uvd_suspend(rdev);
5565 	r700_cp_stop(rdev);
5566 	r600_dma_stop(rdev);
5567 	evergreen_irq_suspend(rdev);
5568 	radeon_wb_disable(rdev);
5569 	evergreen_pcie_gart_disable(rdev);
5570 
5571 	return 0;
5572 }
5573 
5574 /* Plan is to move initialization in that function and use
5575  * helper function so that radeon_device_init pretty much
5576  * do nothing more than calling asic specific function. This
5577  * should also allow to remove a bunch of callback function
5578  * like vram_info.
5579  */
5580 int evergreen_init(struct radeon_device *rdev)
5581 {
5582 	int r;
5583 
5584 	/* Read BIOS */
5585 	if (!radeon_get_bios(rdev)) {
5586 		if (ASIC_IS_AVIVO(rdev))
5587 			return -EINVAL;
5588 	}
5589 	/* Must be an ATOMBIOS */
5590 	if (!rdev->is_atom_bios) {
5591 		dev_err(rdev->dev, "Expecting atombios for evergreen GPU\n");
5592 		return -EINVAL;
5593 	}
5594 	r = radeon_atombios_init(rdev);
5595 	if (r)
5596 		return r;
5597 	/* reset the asic, the gfx blocks are often in a bad state
5598 	 * after the driver is unloaded or after a resume
5599 	 */
5600 	if (radeon_asic_reset(rdev))
5601 		dev_warn(rdev->dev, "GPU reset failed !\n");
5602 	/* Post card if necessary */
5603 	if (!radeon_card_posted(rdev)) {
5604 		if (!rdev->bios) {
5605 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
5606 			return -EINVAL;
5607 		}
5608 		DRM_INFO("GPU not posted. posting now...\n");
5609 		atom_asic_init(rdev->mode_info.atom_context);
5610 	}
5611 	/* init golden registers */
5612 	evergreen_init_golden_registers(rdev);
5613 	/* Initialize scratch registers */
5614 	r600_scratch_init(rdev);
5615 	/* Initialize surface registers */
5616 	radeon_surface_init(rdev);
5617 	/* Initialize clocks */
5618 	radeon_get_clock_info(rdev->ddev);
5619 	/* Fence driver */
5620 	r = radeon_fence_driver_init(rdev);
5621 	if (r)
5622 		return r;
5623 	/* initialize AGP */
5624 	if (rdev->flags & RADEON_IS_AGP) {
5625 		r = radeon_agp_init(rdev);
5626 		if (r)
5627 			radeon_agp_disable(rdev);
5628 	}
5629 	/* initialize memory controller */
5630 	r = evergreen_mc_init(rdev);
5631 	if (r)
5632 		return r;
5633 	/* Memory manager */
5634 	r = radeon_bo_init(rdev);
5635 	if (r)
5636 		return r;
5637 
5638 	if (ASIC_IS_DCE5(rdev)) {
5639 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
5640 			r = ni_init_microcode(rdev);
5641 			if (r) {
5642 				DRM_ERROR("Failed to load firmware!\n");
5643 				return r;
5644 			}
5645 		}
5646 	} else {
5647 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
5648 			r = r600_init_microcode(rdev);
5649 			if (r) {
5650 				DRM_ERROR("Failed to load firmware!\n");
5651 				return r;
5652 			}
5653 		}
5654 	}
5655 
5656 	/* Initialize power management */
5657 	radeon_pm_init(rdev);
5658 
5659 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
5660 	r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
5661 
5662 	rdev->ring[R600_RING_TYPE_DMA_INDEX].ring_obj = NULL;
5663 	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX], 64 * 1024);
5664 
5665 	r = radeon_uvd_init(rdev);
5666 	if (!r) {
5667 		rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
5668 		r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX],
5669 			       4096);
5670 	}
5671 
5672 	rdev->ih.ring_obj = NULL;
5673 	r600_ih_ring_init(rdev, 64 * 1024);
5674 
5675 	r = r600_pcie_gart_init(rdev);
5676 	if (r)
5677 		return r;
5678 
5679 	rdev->accel_working = true;
5680 	r = evergreen_startup(rdev);
5681 	if (r) {
5682 		dev_err(rdev->dev, "disabling GPU acceleration\n");
5683 		r700_cp_fini(rdev);
5684 		r600_dma_fini(rdev);
5685 		r600_irq_fini(rdev);
5686 		if (rdev->flags & RADEON_IS_IGP)
5687 			sumo_rlc_fini(rdev);
5688 		radeon_wb_fini(rdev);
5689 		radeon_ib_pool_fini(rdev);
5690 		radeon_irq_kms_fini(rdev);
5691 		evergreen_pcie_gart_fini(rdev);
5692 		rdev->accel_working = false;
5693 	}
5694 
5695 	/* Don't start up if the MC ucode is missing on BTC parts.
5696 	 * The default clocks and voltages before the MC ucode
5697 	 * is loaded are not suffient for advanced operations.
5698 	 */
5699 	if (ASIC_IS_DCE5(rdev)) {
5700 		if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
5701 			DRM_ERROR("radeon: MC ucode required for NI+.\n");
5702 			return -EINVAL;
5703 		}
5704 	}
5705 
5706 	return 0;
5707 }
5708 
5709 void evergreen_fini(struct radeon_device *rdev)
5710 {
5711 	radeon_pm_fini(rdev);
5712 	radeon_audio_fini(rdev);
5713 	r700_cp_fini(rdev);
5714 	r600_dma_fini(rdev);
5715 	r600_irq_fini(rdev);
5716 	if (rdev->flags & RADEON_IS_IGP)
5717 		sumo_rlc_fini(rdev);
5718 	radeon_wb_fini(rdev);
5719 	radeon_ib_pool_fini(rdev);
5720 	radeon_irq_kms_fini(rdev);
5721 	uvd_v1_0_fini(rdev);
5722 	radeon_uvd_fini(rdev);
5723 	evergreen_pcie_gart_fini(rdev);
5724 	r600_vram_scratch_fini(rdev);
5725 	radeon_gem_fini(rdev);
5726 	radeon_fence_driver_fini(rdev);
5727 	radeon_agp_fini(rdev);
5728 	radeon_bo_fini(rdev);
5729 	radeon_atombios_fini(rdev);
5730 	kfree(rdev->bios);
5731 	rdev->bios = NULL;
5732 }
5733 
5734 void evergreen_pcie_gen2_enable(struct radeon_device *rdev)
5735 {
5736 	u32 link_width_cntl, speed_cntl;
5737 
5738 	if (radeon_pcie_gen2 == 0)
5739 		return;
5740 
5741 	if (rdev->flags & RADEON_IS_IGP)
5742 		return;
5743 
5744 	if (!(rdev->flags & RADEON_IS_PCIE))
5745 		return;
5746 
5747 	/* x2 cards have a special sequence */
5748 	if (ASIC_IS_X2(rdev))
5749 		return;
5750 
5751 	if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) &&
5752 		(rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT))
5753 		return;
5754 
5755 	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5756 	if (speed_cntl & LC_CURRENT_DATA_RATE) {
5757 		DRM_INFO("PCIE gen 2 link speeds already enabled\n");
5758 		return;
5759 	}
5760 
5761 	DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
5762 
5763 	if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) ||
5764 	    (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
5765 
5766 		link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
5767 		link_width_cntl &= ~LC_UPCONFIGURE_DIS;
5768 		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
5769 
5770 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5771 		speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
5772 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
5773 
5774 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5775 		speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
5776 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
5777 
5778 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5779 		speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
5780 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
5781 
5782 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5783 		speed_cntl |= LC_GEN2_EN_STRAP;
5784 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
5785 
5786 	} else {
5787 		link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
5788 		/* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
5789 		if (1)
5790 			link_width_cntl |= LC_UPCONFIGURE_DIS;
5791 		else
5792 			link_width_cntl &= ~LC_UPCONFIGURE_DIS;
5793 		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
5794 	}
5795 }
5796 
5797 void evergreen_program_aspm(struct radeon_device *rdev)
5798 {
5799 	u32 data, orig;
5800 	u32 pcie_lc_cntl, pcie_lc_cntl_old;
5801 	bool disable_l0s, disable_l1 = false, disable_plloff_in_l1 = false;
5802 	/* fusion_platform = true
5803 	 * if the system is a fusion system
5804 	 * (APU or DGPU in a fusion system).
5805 	 * todo: check if the system is a fusion platform.
5806 	 */
5807 	bool fusion_platform = false;
5808 
5809 	if (radeon_aspm == 0)
5810 		return;
5811 
5812 	if (!(rdev->flags & RADEON_IS_PCIE))
5813 		return;
5814 
5815 	switch (rdev->family) {
5816 	case CHIP_CYPRESS:
5817 	case CHIP_HEMLOCK:
5818 	case CHIP_JUNIPER:
5819 	case CHIP_REDWOOD:
5820 	case CHIP_CEDAR:
5821 	case CHIP_SUMO:
5822 	case CHIP_SUMO2:
5823 	case CHIP_PALM:
5824 	case CHIP_ARUBA:
5825 		disable_l0s = true;
5826 		break;
5827 	default:
5828 		disable_l0s = false;
5829 		break;
5830 	}
5831 
5832 	if (rdev->flags & RADEON_IS_IGP)
5833 		fusion_platform = true; /* XXX also dGPUs in a fusion system */
5834 
5835 	data = orig = RREG32_PIF_PHY0(PB0_PIF_PAIRING);
5836 	if (fusion_platform)
5837 		data &= ~MULTI_PIF;
5838 	else
5839 		data |= MULTI_PIF;
5840 	if (data != orig)
5841 		WREG32_PIF_PHY0(PB0_PIF_PAIRING, data);
5842 
5843 	data = orig = RREG32_PIF_PHY1(PB1_PIF_PAIRING);
5844 	if (fusion_platform)
5845 		data &= ~MULTI_PIF;
5846 	else
5847 		data |= MULTI_PIF;
5848 	if (data != orig)
5849 		WREG32_PIF_PHY1(PB1_PIF_PAIRING, data);
5850 
5851 	pcie_lc_cntl = pcie_lc_cntl_old = RREG32_PCIE_PORT(PCIE_LC_CNTL);
5852 	pcie_lc_cntl &= ~(LC_L0S_INACTIVITY_MASK | LC_L1_INACTIVITY_MASK);
5853 	if (!disable_l0s) {
5854 		if (rdev->family >= CHIP_BARTS)
5855 			pcie_lc_cntl |= LC_L0S_INACTIVITY(7);
5856 		else
5857 			pcie_lc_cntl |= LC_L0S_INACTIVITY(3);
5858 	}
5859 
5860 	if (!disable_l1) {
5861 		if (rdev->family >= CHIP_BARTS)
5862 			pcie_lc_cntl |= LC_L1_INACTIVITY(7);
5863 		else
5864 			pcie_lc_cntl |= LC_L1_INACTIVITY(8);
5865 
5866 		if (!disable_plloff_in_l1) {
5867 			data = orig = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0);
5868 			data &= ~(PLL_POWER_STATE_IN_OFF_0_MASK | PLL_POWER_STATE_IN_TXS2_0_MASK);
5869 			data |= PLL_POWER_STATE_IN_OFF_0(7) | PLL_POWER_STATE_IN_TXS2_0(7);
5870 			if (data != orig)
5871 				WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0, data);
5872 
5873 			data = orig = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1);
5874 			data &= ~(PLL_POWER_STATE_IN_OFF_1_MASK | PLL_POWER_STATE_IN_TXS2_1_MASK);
5875 			data |= PLL_POWER_STATE_IN_OFF_1(7) | PLL_POWER_STATE_IN_TXS2_1(7);
5876 			if (data != orig)
5877 				WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1, data);
5878 
5879 			data = orig = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0);
5880 			data &= ~(PLL_POWER_STATE_IN_OFF_0_MASK | PLL_POWER_STATE_IN_TXS2_0_MASK);
5881 			data |= PLL_POWER_STATE_IN_OFF_0(7) | PLL_POWER_STATE_IN_TXS2_0(7);
5882 			if (data != orig)
5883 				WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0, data);
5884 
5885 			data = orig = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1);
5886 			data &= ~(PLL_POWER_STATE_IN_OFF_1_MASK | PLL_POWER_STATE_IN_TXS2_1_MASK);
5887 			data |= PLL_POWER_STATE_IN_OFF_1(7) | PLL_POWER_STATE_IN_TXS2_1(7);
5888 			if (data != orig)
5889 				WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1, data);
5890 
5891 			if (rdev->family >= CHIP_BARTS) {
5892 				data = orig = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0);
5893 				data &= ~PLL_RAMP_UP_TIME_0_MASK;
5894 				data |= PLL_RAMP_UP_TIME_0(4);
5895 				if (data != orig)
5896 					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0, data);
5897 
5898 				data = orig = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1);
5899 				data &= ~PLL_RAMP_UP_TIME_1_MASK;
5900 				data |= PLL_RAMP_UP_TIME_1(4);
5901 				if (data != orig)
5902 					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1, data);
5903 
5904 				data = orig = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0);
5905 				data &= ~PLL_RAMP_UP_TIME_0_MASK;
5906 				data |= PLL_RAMP_UP_TIME_0(4);
5907 				if (data != orig)
5908 					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0, data);
5909 
5910 				data = orig = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1);
5911 				data &= ~PLL_RAMP_UP_TIME_1_MASK;
5912 				data |= PLL_RAMP_UP_TIME_1(4);
5913 				if (data != orig)
5914 					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1, data);
5915 			}
5916 
5917 			data = orig = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
5918 			data &= ~LC_DYN_LANES_PWR_STATE_MASK;
5919 			data |= LC_DYN_LANES_PWR_STATE(3);
5920 			if (data != orig)
5921 				WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, data);
5922 
5923 			if (rdev->family >= CHIP_BARTS) {
5924 				data = orig = RREG32_PIF_PHY0(PB0_PIF_CNTL);
5925 				data &= ~LS2_EXIT_TIME_MASK;
5926 				data |= LS2_EXIT_TIME(1);
5927 				if (data != orig)
5928 					WREG32_PIF_PHY0(PB0_PIF_CNTL, data);
5929 
5930 				data = orig = RREG32_PIF_PHY1(PB1_PIF_CNTL);
5931 				data &= ~LS2_EXIT_TIME_MASK;
5932 				data |= LS2_EXIT_TIME(1);
5933 				if (data != orig)
5934 					WREG32_PIF_PHY1(PB1_PIF_CNTL, data);
5935 			}
5936 		}
5937 	}
5938 
5939 	/* evergreen parts only */
5940 	if (rdev->family < CHIP_BARTS)
5941 		pcie_lc_cntl |= LC_PMI_TO_L1_DIS;
5942 
5943 	if (pcie_lc_cntl != pcie_lc_cntl_old)
5944 		WREG32_PCIE_PORT(PCIE_LC_CNTL, pcie_lc_cntl);
5945 }
5946