xref: /openbmc/linux/drivers/gpu/drm/radeon/evergreen.c (revision 887069f4)
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 
25 #include <linux/firmware.h>
26 #include <linux/pci.h>
27 #include <linux/slab.h>
28 
29 #include <drm/drm_vblank.h>
30 #include <drm/radeon_drm.h>
31 #include <drm/drm_fourcc.h>
32 
33 #include "atom.h"
34 #include "avivod.h"
35 #include "cik.h"
36 #include "ni.h"
37 #include "rv770.h"
38 #include "evergreen.h"
39 #include "evergreen_blit_shaders.h"
40 #include "evergreen_reg.h"
41 #include "evergreend.h"
42 #include "radeon.h"
43 #include "radeon_asic.h"
44 #include "radeon_audio.h"
45 #include "radeon_ucode.h"
46 #include "si.h"
47 
48 #define DC_HPDx_CONTROL(x)        (DC_HPD1_CONTROL     + (x * 0xc))
49 #define DC_HPDx_INT_CONTROL(x)    (DC_HPD1_INT_CONTROL + (x * 0xc))
50 #define DC_HPDx_INT_STATUS_REG(x) (DC_HPD1_INT_STATUS  + (x * 0xc))
51 
52 /*
53  * Indirect registers accessor
54  */
55 u32 eg_cg_rreg(struct radeon_device *rdev, u32 reg)
56 {
57 	unsigned long flags;
58 	u32 r;
59 
60 	spin_lock_irqsave(&rdev->cg_idx_lock, flags);
61 	WREG32(EVERGREEN_CG_IND_ADDR, ((reg) & 0xffff));
62 	r = RREG32(EVERGREEN_CG_IND_DATA);
63 	spin_unlock_irqrestore(&rdev->cg_idx_lock, flags);
64 	return r;
65 }
66 
67 void eg_cg_wreg(struct radeon_device *rdev, u32 reg, u32 v)
68 {
69 	unsigned long flags;
70 
71 	spin_lock_irqsave(&rdev->cg_idx_lock, flags);
72 	WREG32(EVERGREEN_CG_IND_ADDR, ((reg) & 0xffff));
73 	WREG32(EVERGREEN_CG_IND_DATA, (v));
74 	spin_unlock_irqrestore(&rdev->cg_idx_lock, flags);
75 }
76 
77 u32 eg_pif_phy0_rreg(struct radeon_device *rdev, u32 reg)
78 {
79 	unsigned long flags;
80 	u32 r;
81 
82 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
83 	WREG32(EVERGREEN_PIF_PHY0_INDEX, ((reg) & 0xffff));
84 	r = RREG32(EVERGREEN_PIF_PHY0_DATA);
85 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
86 	return r;
87 }
88 
89 void eg_pif_phy0_wreg(struct radeon_device *rdev, u32 reg, u32 v)
90 {
91 	unsigned long flags;
92 
93 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
94 	WREG32(EVERGREEN_PIF_PHY0_INDEX, ((reg) & 0xffff));
95 	WREG32(EVERGREEN_PIF_PHY0_DATA, (v));
96 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
97 }
98 
99 u32 eg_pif_phy1_rreg(struct radeon_device *rdev, u32 reg)
100 {
101 	unsigned long flags;
102 	u32 r;
103 
104 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
105 	WREG32(EVERGREEN_PIF_PHY1_INDEX, ((reg) & 0xffff));
106 	r = RREG32(EVERGREEN_PIF_PHY1_DATA);
107 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
108 	return r;
109 }
110 
111 void eg_pif_phy1_wreg(struct radeon_device *rdev, u32 reg, u32 v)
112 {
113 	unsigned long flags;
114 
115 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
116 	WREG32(EVERGREEN_PIF_PHY1_INDEX, ((reg) & 0xffff));
117 	WREG32(EVERGREEN_PIF_PHY1_DATA, (v));
118 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
119 }
120 
121 static const u32 crtc_offsets[6] =
122 {
123 	EVERGREEN_CRTC0_REGISTER_OFFSET,
124 	EVERGREEN_CRTC1_REGISTER_OFFSET,
125 	EVERGREEN_CRTC2_REGISTER_OFFSET,
126 	EVERGREEN_CRTC3_REGISTER_OFFSET,
127 	EVERGREEN_CRTC4_REGISTER_OFFSET,
128 	EVERGREEN_CRTC5_REGISTER_OFFSET
129 };
130 
131 #include "clearstate_evergreen.h"
132 
133 static const u32 sumo_rlc_save_restore_register_list[] =
134 {
135 	0x98fc,
136 	0x9830,
137 	0x9834,
138 	0x9838,
139 	0x9870,
140 	0x9874,
141 	0x8a14,
142 	0x8b24,
143 	0x8bcc,
144 	0x8b10,
145 	0x8d00,
146 	0x8d04,
147 	0x8c00,
148 	0x8c04,
149 	0x8c08,
150 	0x8c0c,
151 	0x8d8c,
152 	0x8c20,
153 	0x8c24,
154 	0x8c28,
155 	0x8c18,
156 	0x8c1c,
157 	0x8cf0,
158 	0x8e2c,
159 	0x8e38,
160 	0x8c30,
161 	0x9508,
162 	0x9688,
163 	0x9608,
164 	0x960c,
165 	0x9610,
166 	0x9614,
167 	0x88c4,
168 	0x88d4,
169 	0xa008,
170 	0x900c,
171 	0x9100,
172 	0x913c,
173 	0x98f8,
174 	0x98f4,
175 	0x9b7c,
176 	0x3f8c,
177 	0x8950,
178 	0x8954,
179 	0x8a18,
180 	0x8b28,
181 	0x9144,
182 	0x9148,
183 	0x914c,
184 	0x3f90,
185 	0x3f94,
186 	0x915c,
187 	0x9160,
188 	0x9178,
189 	0x917c,
190 	0x9180,
191 	0x918c,
192 	0x9190,
193 	0x9194,
194 	0x9198,
195 	0x919c,
196 	0x91a8,
197 	0x91ac,
198 	0x91b0,
199 	0x91b4,
200 	0x91b8,
201 	0x91c4,
202 	0x91c8,
203 	0x91cc,
204 	0x91d0,
205 	0x91d4,
206 	0x91e0,
207 	0x91e4,
208 	0x91ec,
209 	0x91f0,
210 	0x91f4,
211 	0x9200,
212 	0x9204,
213 	0x929c,
214 	0x9150,
215 	0x802c,
216 };
217 
218 static void evergreen_gpu_init(struct radeon_device *rdev);
219 void evergreen_fini(struct radeon_device *rdev);
220 void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
221 void evergreen_program_aspm(struct radeon_device *rdev);
222 
223 static const u32 evergreen_golden_registers[] =
224 {
225 	0x3f90, 0xffff0000, 0xff000000,
226 	0x9148, 0xffff0000, 0xff000000,
227 	0x3f94, 0xffff0000, 0xff000000,
228 	0x914c, 0xffff0000, 0xff000000,
229 	0x9b7c, 0xffffffff, 0x00000000,
230 	0x8a14, 0xffffffff, 0x00000007,
231 	0x8b10, 0xffffffff, 0x00000000,
232 	0x960c, 0xffffffff, 0x54763210,
233 	0x88c4, 0xffffffff, 0x000000c2,
234 	0x88d4, 0xffffffff, 0x00000010,
235 	0x8974, 0xffffffff, 0x00000000,
236 	0xc78, 0x00000080, 0x00000080,
237 	0x5eb4, 0xffffffff, 0x00000002,
238 	0x5e78, 0xffffffff, 0x001000f0,
239 	0x6104, 0x01000300, 0x00000000,
240 	0x5bc0, 0x00300000, 0x00000000,
241 	0x7030, 0xffffffff, 0x00000011,
242 	0x7c30, 0xffffffff, 0x00000011,
243 	0x10830, 0xffffffff, 0x00000011,
244 	0x11430, 0xffffffff, 0x00000011,
245 	0x12030, 0xffffffff, 0x00000011,
246 	0x12c30, 0xffffffff, 0x00000011,
247 	0xd02c, 0xffffffff, 0x08421000,
248 	0x240c, 0xffffffff, 0x00000380,
249 	0x8b24, 0xffffffff, 0x00ff0fff,
250 	0x28a4c, 0x06000000, 0x06000000,
251 	0x10c, 0x00000001, 0x00000001,
252 	0x8d00, 0xffffffff, 0x100e4848,
253 	0x8d04, 0xffffffff, 0x00164745,
254 	0x8c00, 0xffffffff, 0xe4000003,
255 	0x8c04, 0xffffffff, 0x40600060,
256 	0x8c08, 0xffffffff, 0x001c001c,
257 	0x8cf0, 0xffffffff, 0x08e00620,
258 	0x8c20, 0xffffffff, 0x00800080,
259 	0x8c24, 0xffffffff, 0x00800080,
260 	0x8c18, 0xffffffff, 0x20202078,
261 	0x8c1c, 0xffffffff, 0x00001010,
262 	0x28350, 0xffffffff, 0x00000000,
263 	0xa008, 0xffffffff, 0x00010000,
264 	0x5c4, 0xffffffff, 0x00000001,
265 	0x9508, 0xffffffff, 0x00000002,
266 	0x913c, 0x0000000f, 0x0000000a
267 };
268 
269 static const u32 evergreen_golden_registers2[] =
270 {
271 	0x2f4c, 0xffffffff, 0x00000000,
272 	0x54f4, 0xffffffff, 0x00000000,
273 	0x54f0, 0xffffffff, 0x00000000,
274 	0x5498, 0xffffffff, 0x00000000,
275 	0x549c, 0xffffffff, 0x00000000,
276 	0x5494, 0xffffffff, 0x00000000,
277 	0x53cc, 0xffffffff, 0x00000000,
278 	0x53c8, 0xffffffff, 0x00000000,
279 	0x53c4, 0xffffffff, 0x00000000,
280 	0x53c0, 0xffffffff, 0x00000000,
281 	0x53bc, 0xffffffff, 0x00000000,
282 	0x53b8, 0xffffffff, 0x00000000,
283 	0x53b4, 0xffffffff, 0x00000000,
284 	0x53b0, 0xffffffff, 0x00000000
285 };
286 
287 static const u32 cypress_mgcg_init[] =
288 {
289 	0x802c, 0xffffffff, 0xc0000000,
290 	0x5448, 0xffffffff, 0x00000100,
291 	0x55e4, 0xffffffff, 0x00000100,
292 	0x160c, 0xffffffff, 0x00000100,
293 	0x5644, 0xffffffff, 0x00000100,
294 	0xc164, 0xffffffff, 0x00000100,
295 	0x8a18, 0xffffffff, 0x00000100,
296 	0x897c, 0xffffffff, 0x06000100,
297 	0x8b28, 0xffffffff, 0x00000100,
298 	0x9144, 0xffffffff, 0x00000100,
299 	0x9a60, 0xffffffff, 0x00000100,
300 	0x9868, 0xffffffff, 0x00000100,
301 	0x8d58, 0xffffffff, 0x00000100,
302 	0x9510, 0xffffffff, 0x00000100,
303 	0x949c, 0xffffffff, 0x00000100,
304 	0x9654, 0xffffffff, 0x00000100,
305 	0x9030, 0xffffffff, 0x00000100,
306 	0x9034, 0xffffffff, 0x00000100,
307 	0x9038, 0xffffffff, 0x00000100,
308 	0x903c, 0xffffffff, 0x00000100,
309 	0x9040, 0xffffffff, 0x00000100,
310 	0xa200, 0xffffffff, 0x00000100,
311 	0xa204, 0xffffffff, 0x00000100,
312 	0xa208, 0xffffffff, 0x00000100,
313 	0xa20c, 0xffffffff, 0x00000100,
314 	0x971c, 0xffffffff, 0x00000100,
315 	0x977c, 0xffffffff, 0x00000100,
316 	0x3f80, 0xffffffff, 0x00000100,
317 	0xa210, 0xffffffff, 0x00000100,
318 	0xa214, 0xffffffff, 0x00000100,
319 	0x4d8, 0xffffffff, 0x00000100,
320 	0x9784, 0xffffffff, 0x00000100,
321 	0x9698, 0xffffffff, 0x00000100,
322 	0x4d4, 0xffffffff, 0x00000200,
323 	0x30cc, 0xffffffff, 0x00000100,
324 	0xd0c0, 0xffffffff, 0xff000100,
325 	0x802c, 0xffffffff, 0x40000000,
326 	0x915c, 0xffffffff, 0x00010000,
327 	0x9160, 0xffffffff, 0x00030002,
328 	0x9178, 0xffffffff, 0x00070000,
329 	0x917c, 0xffffffff, 0x00030002,
330 	0x9180, 0xffffffff, 0x00050004,
331 	0x918c, 0xffffffff, 0x00010006,
332 	0x9190, 0xffffffff, 0x00090008,
333 	0x9194, 0xffffffff, 0x00070000,
334 	0x9198, 0xffffffff, 0x00030002,
335 	0x919c, 0xffffffff, 0x00050004,
336 	0x91a8, 0xffffffff, 0x00010006,
337 	0x91ac, 0xffffffff, 0x00090008,
338 	0x91b0, 0xffffffff, 0x00070000,
339 	0x91b4, 0xffffffff, 0x00030002,
340 	0x91b8, 0xffffffff, 0x00050004,
341 	0x91c4, 0xffffffff, 0x00010006,
342 	0x91c8, 0xffffffff, 0x00090008,
343 	0x91cc, 0xffffffff, 0x00070000,
344 	0x91d0, 0xffffffff, 0x00030002,
345 	0x91d4, 0xffffffff, 0x00050004,
346 	0x91e0, 0xffffffff, 0x00010006,
347 	0x91e4, 0xffffffff, 0x00090008,
348 	0x91e8, 0xffffffff, 0x00000000,
349 	0x91ec, 0xffffffff, 0x00070000,
350 	0x91f0, 0xffffffff, 0x00030002,
351 	0x91f4, 0xffffffff, 0x00050004,
352 	0x9200, 0xffffffff, 0x00010006,
353 	0x9204, 0xffffffff, 0x00090008,
354 	0x9208, 0xffffffff, 0x00070000,
355 	0x920c, 0xffffffff, 0x00030002,
356 	0x9210, 0xffffffff, 0x00050004,
357 	0x921c, 0xffffffff, 0x00010006,
358 	0x9220, 0xffffffff, 0x00090008,
359 	0x9224, 0xffffffff, 0x00070000,
360 	0x9228, 0xffffffff, 0x00030002,
361 	0x922c, 0xffffffff, 0x00050004,
362 	0x9238, 0xffffffff, 0x00010006,
363 	0x923c, 0xffffffff, 0x00090008,
364 	0x9240, 0xffffffff, 0x00070000,
365 	0x9244, 0xffffffff, 0x00030002,
366 	0x9248, 0xffffffff, 0x00050004,
367 	0x9254, 0xffffffff, 0x00010006,
368 	0x9258, 0xffffffff, 0x00090008,
369 	0x925c, 0xffffffff, 0x00070000,
370 	0x9260, 0xffffffff, 0x00030002,
371 	0x9264, 0xffffffff, 0x00050004,
372 	0x9270, 0xffffffff, 0x00010006,
373 	0x9274, 0xffffffff, 0x00090008,
374 	0x9278, 0xffffffff, 0x00070000,
375 	0x927c, 0xffffffff, 0x00030002,
376 	0x9280, 0xffffffff, 0x00050004,
377 	0x928c, 0xffffffff, 0x00010006,
378 	0x9290, 0xffffffff, 0x00090008,
379 	0x9294, 0xffffffff, 0x00000000,
380 	0x929c, 0xffffffff, 0x00000001,
381 	0x802c, 0xffffffff, 0x40010000,
382 	0x915c, 0xffffffff, 0x00010000,
383 	0x9160, 0xffffffff, 0x00030002,
384 	0x9178, 0xffffffff, 0x00070000,
385 	0x917c, 0xffffffff, 0x00030002,
386 	0x9180, 0xffffffff, 0x00050004,
387 	0x918c, 0xffffffff, 0x00010006,
388 	0x9190, 0xffffffff, 0x00090008,
389 	0x9194, 0xffffffff, 0x00070000,
390 	0x9198, 0xffffffff, 0x00030002,
391 	0x919c, 0xffffffff, 0x00050004,
392 	0x91a8, 0xffffffff, 0x00010006,
393 	0x91ac, 0xffffffff, 0x00090008,
394 	0x91b0, 0xffffffff, 0x00070000,
395 	0x91b4, 0xffffffff, 0x00030002,
396 	0x91b8, 0xffffffff, 0x00050004,
397 	0x91c4, 0xffffffff, 0x00010006,
398 	0x91c8, 0xffffffff, 0x00090008,
399 	0x91cc, 0xffffffff, 0x00070000,
400 	0x91d0, 0xffffffff, 0x00030002,
401 	0x91d4, 0xffffffff, 0x00050004,
402 	0x91e0, 0xffffffff, 0x00010006,
403 	0x91e4, 0xffffffff, 0x00090008,
404 	0x91e8, 0xffffffff, 0x00000000,
405 	0x91ec, 0xffffffff, 0x00070000,
406 	0x91f0, 0xffffffff, 0x00030002,
407 	0x91f4, 0xffffffff, 0x00050004,
408 	0x9200, 0xffffffff, 0x00010006,
409 	0x9204, 0xffffffff, 0x00090008,
410 	0x9208, 0xffffffff, 0x00070000,
411 	0x920c, 0xffffffff, 0x00030002,
412 	0x9210, 0xffffffff, 0x00050004,
413 	0x921c, 0xffffffff, 0x00010006,
414 	0x9220, 0xffffffff, 0x00090008,
415 	0x9224, 0xffffffff, 0x00070000,
416 	0x9228, 0xffffffff, 0x00030002,
417 	0x922c, 0xffffffff, 0x00050004,
418 	0x9238, 0xffffffff, 0x00010006,
419 	0x923c, 0xffffffff, 0x00090008,
420 	0x9240, 0xffffffff, 0x00070000,
421 	0x9244, 0xffffffff, 0x00030002,
422 	0x9248, 0xffffffff, 0x00050004,
423 	0x9254, 0xffffffff, 0x00010006,
424 	0x9258, 0xffffffff, 0x00090008,
425 	0x925c, 0xffffffff, 0x00070000,
426 	0x9260, 0xffffffff, 0x00030002,
427 	0x9264, 0xffffffff, 0x00050004,
428 	0x9270, 0xffffffff, 0x00010006,
429 	0x9274, 0xffffffff, 0x00090008,
430 	0x9278, 0xffffffff, 0x00070000,
431 	0x927c, 0xffffffff, 0x00030002,
432 	0x9280, 0xffffffff, 0x00050004,
433 	0x928c, 0xffffffff, 0x00010006,
434 	0x9290, 0xffffffff, 0x00090008,
435 	0x9294, 0xffffffff, 0x00000000,
436 	0x929c, 0xffffffff, 0x00000001,
437 	0x802c, 0xffffffff, 0xc0000000
438 };
439 
440 static const u32 redwood_mgcg_init[] =
441 {
442 	0x802c, 0xffffffff, 0xc0000000,
443 	0x5448, 0xffffffff, 0x00000100,
444 	0x55e4, 0xffffffff, 0x00000100,
445 	0x160c, 0xffffffff, 0x00000100,
446 	0x5644, 0xffffffff, 0x00000100,
447 	0xc164, 0xffffffff, 0x00000100,
448 	0x8a18, 0xffffffff, 0x00000100,
449 	0x897c, 0xffffffff, 0x06000100,
450 	0x8b28, 0xffffffff, 0x00000100,
451 	0x9144, 0xffffffff, 0x00000100,
452 	0x9a60, 0xffffffff, 0x00000100,
453 	0x9868, 0xffffffff, 0x00000100,
454 	0x8d58, 0xffffffff, 0x00000100,
455 	0x9510, 0xffffffff, 0x00000100,
456 	0x949c, 0xffffffff, 0x00000100,
457 	0x9654, 0xffffffff, 0x00000100,
458 	0x9030, 0xffffffff, 0x00000100,
459 	0x9034, 0xffffffff, 0x00000100,
460 	0x9038, 0xffffffff, 0x00000100,
461 	0x903c, 0xffffffff, 0x00000100,
462 	0x9040, 0xffffffff, 0x00000100,
463 	0xa200, 0xffffffff, 0x00000100,
464 	0xa204, 0xffffffff, 0x00000100,
465 	0xa208, 0xffffffff, 0x00000100,
466 	0xa20c, 0xffffffff, 0x00000100,
467 	0x971c, 0xffffffff, 0x00000100,
468 	0x977c, 0xffffffff, 0x00000100,
469 	0x3f80, 0xffffffff, 0x00000100,
470 	0xa210, 0xffffffff, 0x00000100,
471 	0xa214, 0xffffffff, 0x00000100,
472 	0x4d8, 0xffffffff, 0x00000100,
473 	0x9784, 0xffffffff, 0x00000100,
474 	0x9698, 0xffffffff, 0x00000100,
475 	0x4d4, 0xffffffff, 0x00000200,
476 	0x30cc, 0xffffffff, 0x00000100,
477 	0xd0c0, 0xffffffff, 0xff000100,
478 	0x802c, 0xffffffff, 0x40000000,
479 	0x915c, 0xffffffff, 0x00010000,
480 	0x9160, 0xffffffff, 0x00030002,
481 	0x9178, 0xffffffff, 0x00070000,
482 	0x917c, 0xffffffff, 0x00030002,
483 	0x9180, 0xffffffff, 0x00050004,
484 	0x918c, 0xffffffff, 0x00010006,
485 	0x9190, 0xffffffff, 0x00090008,
486 	0x9194, 0xffffffff, 0x00070000,
487 	0x9198, 0xffffffff, 0x00030002,
488 	0x919c, 0xffffffff, 0x00050004,
489 	0x91a8, 0xffffffff, 0x00010006,
490 	0x91ac, 0xffffffff, 0x00090008,
491 	0x91b0, 0xffffffff, 0x00070000,
492 	0x91b4, 0xffffffff, 0x00030002,
493 	0x91b8, 0xffffffff, 0x00050004,
494 	0x91c4, 0xffffffff, 0x00010006,
495 	0x91c8, 0xffffffff, 0x00090008,
496 	0x91cc, 0xffffffff, 0x00070000,
497 	0x91d0, 0xffffffff, 0x00030002,
498 	0x91d4, 0xffffffff, 0x00050004,
499 	0x91e0, 0xffffffff, 0x00010006,
500 	0x91e4, 0xffffffff, 0x00090008,
501 	0x91e8, 0xffffffff, 0x00000000,
502 	0x91ec, 0xffffffff, 0x00070000,
503 	0x91f0, 0xffffffff, 0x00030002,
504 	0x91f4, 0xffffffff, 0x00050004,
505 	0x9200, 0xffffffff, 0x00010006,
506 	0x9204, 0xffffffff, 0x00090008,
507 	0x9294, 0xffffffff, 0x00000000,
508 	0x929c, 0xffffffff, 0x00000001,
509 	0x802c, 0xffffffff, 0xc0000000
510 };
511 
512 static const u32 cedar_golden_registers[] =
513 {
514 	0x3f90, 0xffff0000, 0xff000000,
515 	0x9148, 0xffff0000, 0xff000000,
516 	0x3f94, 0xffff0000, 0xff000000,
517 	0x914c, 0xffff0000, 0xff000000,
518 	0x9b7c, 0xffffffff, 0x00000000,
519 	0x8a14, 0xffffffff, 0x00000007,
520 	0x8b10, 0xffffffff, 0x00000000,
521 	0x960c, 0xffffffff, 0x54763210,
522 	0x88c4, 0xffffffff, 0x000000c2,
523 	0x88d4, 0xffffffff, 0x00000000,
524 	0x8974, 0xffffffff, 0x00000000,
525 	0xc78, 0x00000080, 0x00000080,
526 	0x5eb4, 0xffffffff, 0x00000002,
527 	0x5e78, 0xffffffff, 0x001000f0,
528 	0x6104, 0x01000300, 0x00000000,
529 	0x5bc0, 0x00300000, 0x00000000,
530 	0x7030, 0xffffffff, 0x00000011,
531 	0x7c30, 0xffffffff, 0x00000011,
532 	0x10830, 0xffffffff, 0x00000011,
533 	0x11430, 0xffffffff, 0x00000011,
534 	0xd02c, 0xffffffff, 0x08421000,
535 	0x240c, 0xffffffff, 0x00000380,
536 	0x8b24, 0xffffffff, 0x00ff0fff,
537 	0x28a4c, 0x06000000, 0x06000000,
538 	0x10c, 0x00000001, 0x00000001,
539 	0x8d00, 0xffffffff, 0x100e4848,
540 	0x8d04, 0xffffffff, 0x00164745,
541 	0x8c00, 0xffffffff, 0xe4000003,
542 	0x8c04, 0xffffffff, 0x40600060,
543 	0x8c08, 0xffffffff, 0x001c001c,
544 	0x8cf0, 0xffffffff, 0x08e00410,
545 	0x8c20, 0xffffffff, 0x00800080,
546 	0x8c24, 0xffffffff, 0x00800080,
547 	0x8c18, 0xffffffff, 0x20202078,
548 	0x8c1c, 0xffffffff, 0x00001010,
549 	0x28350, 0xffffffff, 0x00000000,
550 	0xa008, 0xffffffff, 0x00010000,
551 	0x5c4, 0xffffffff, 0x00000001,
552 	0x9508, 0xffffffff, 0x00000002
553 };
554 
555 static const u32 cedar_mgcg_init[] =
556 {
557 	0x802c, 0xffffffff, 0xc0000000,
558 	0x5448, 0xffffffff, 0x00000100,
559 	0x55e4, 0xffffffff, 0x00000100,
560 	0x160c, 0xffffffff, 0x00000100,
561 	0x5644, 0xffffffff, 0x00000100,
562 	0xc164, 0xffffffff, 0x00000100,
563 	0x8a18, 0xffffffff, 0x00000100,
564 	0x897c, 0xffffffff, 0x06000100,
565 	0x8b28, 0xffffffff, 0x00000100,
566 	0x9144, 0xffffffff, 0x00000100,
567 	0x9a60, 0xffffffff, 0x00000100,
568 	0x9868, 0xffffffff, 0x00000100,
569 	0x8d58, 0xffffffff, 0x00000100,
570 	0x9510, 0xffffffff, 0x00000100,
571 	0x949c, 0xffffffff, 0x00000100,
572 	0x9654, 0xffffffff, 0x00000100,
573 	0x9030, 0xffffffff, 0x00000100,
574 	0x9034, 0xffffffff, 0x00000100,
575 	0x9038, 0xffffffff, 0x00000100,
576 	0x903c, 0xffffffff, 0x00000100,
577 	0x9040, 0xffffffff, 0x00000100,
578 	0xa200, 0xffffffff, 0x00000100,
579 	0xa204, 0xffffffff, 0x00000100,
580 	0xa208, 0xffffffff, 0x00000100,
581 	0xa20c, 0xffffffff, 0x00000100,
582 	0x971c, 0xffffffff, 0x00000100,
583 	0x977c, 0xffffffff, 0x00000100,
584 	0x3f80, 0xffffffff, 0x00000100,
585 	0xa210, 0xffffffff, 0x00000100,
586 	0xa214, 0xffffffff, 0x00000100,
587 	0x4d8, 0xffffffff, 0x00000100,
588 	0x9784, 0xffffffff, 0x00000100,
589 	0x9698, 0xffffffff, 0x00000100,
590 	0x4d4, 0xffffffff, 0x00000200,
591 	0x30cc, 0xffffffff, 0x00000100,
592 	0xd0c0, 0xffffffff, 0xff000100,
593 	0x802c, 0xffffffff, 0x40000000,
594 	0x915c, 0xffffffff, 0x00010000,
595 	0x9178, 0xffffffff, 0x00050000,
596 	0x917c, 0xffffffff, 0x00030002,
597 	0x918c, 0xffffffff, 0x00010004,
598 	0x9190, 0xffffffff, 0x00070006,
599 	0x9194, 0xffffffff, 0x00050000,
600 	0x9198, 0xffffffff, 0x00030002,
601 	0x91a8, 0xffffffff, 0x00010004,
602 	0x91ac, 0xffffffff, 0x00070006,
603 	0x91e8, 0xffffffff, 0x00000000,
604 	0x9294, 0xffffffff, 0x00000000,
605 	0x929c, 0xffffffff, 0x00000001,
606 	0x802c, 0xffffffff, 0xc0000000
607 };
608 
609 static const u32 juniper_mgcg_init[] =
610 {
611 	0x802c, 0xffffffff, 0xc0000000,
612 	0x5448, 0xffffffff, 0x00000100,
613 	0x55e4, 0xffffffff, 0x00000100,
614 	0x160c, 0xffffffff, 0x00000100,
615 	0x5644, 0xffffffff, 0x00000100,
616 	0xc164, 0xffffffff, 0x00000100,
617 	0x8a18, 0xffffffff, 0x00000100,
618 	0x897c, 0xffffffff, 0x06000100,
619 	0x8b28, 0xffffffff, 0x00000100,
620 	0x9144, 0xffffffff, 0x00000100,
621 	0x9a60, 0xffffffff, 0x00000100,
622 	0x9868, 0xffffffff, 0x00000100,
623 	0x8d58, 0xffffffff, 0x00000100,
624 	0x9510, 0xffffffff, 0x00000100,
625 	0x949c, 0xffffffff, 0x00000100,
626 	0x9654, 0xffffffff, 0x00000100,
627 	0x9030, 0xffffffff, 0x00000100,
628 	0x9034, 0xffffffff, 0x00000100,
629 	0x9038, 0xffffffff, 0x00000100,
630 	0x903c, 0xffffffff, 0x00000100,
631 	0x9040, 0xffffffff, 0x00000100,
632 	0xa200, 0xffffffff, 0x00000100,
633 	0xa204, 0xffffffff, 0x00000100,
634 	0xa208, 0xffffffff, 0x00000100,
635 	0xa20c, 0xffffffff, 0x00000100,
636 	0x971c, 0xffffffff, 0x00000100,
637 	0xd0c0, 0xffffffff, 0xff000100,
638 	0x802c, 0xffffffff, 0x40000000,
639 	0x915c, 0xffffffff, 0x00010000,
640 	0x9160, 0xffffffff, 0x00030002,
641 	0x9178, 0xffffffff, 0x00070000,
642 	0x917c, 0xffffffff, 0x00030002,
643 	0x9180, 0xffffffff, 0x00050004,
644 	0x918c, 0xffffffff, 0x00010006,
645 	0x9190, 0xffffffff, 0x00090008,
646 	0x9194, 0xffffffff, 0x00070000,
647 	0x9198, 0xffffffff, 0x00030002,
648 	0x919c, 0xffffffff, 0x00050004,
649 	0x91a8, 0xffffffff, 0x00010006,
650 	0x91ac, 0xffffffff, 0x00090008,
651 	0x91b0, 0xffffffff, 0x00070000,
652 	0x91b4, 0xffffffff, 0x00030002,
653 	0x91b8, 0xffffffff, 0x00050004,
654 	0x91c4, 0xffffffff, 0x00010006,
655 	0x91c8, 0xffffffff, 0x00090008,
656 	0x91cc, 0xffffffff, 0x00070000,
657 	0x91d0, 0xffffffff, 0x00030002,
658 	0x91d4, 0xffffffff, 0x00050004,
659 	0x91e0, 0xffffffff, 0x00010006,
660 	0x91e4, 0xffffffff, 0x00090008,
661 	0x91e8, 0xffffffff, 0x00000000,
662 	0x91ec, 0xffffffff, 0x00070000,
663 	0x91f0, 0xffffffff, 0x00030002,
664 	0x91f4, 0xffffffff, 0x00050004,
665 	0x9200, 0xffffffff, 0x00010006,
666 	0x9204, 0xffffffff, 0x00090008,
667 	0x9208, 0xffffffff, 0x00070000,
668 	0x920c, 0xffffffff, 0x00030002,
669 	0x9210, 0xffffffff, 0x00050004,
670 	0x921c, 0xffffffff, 0x00010006,
671 	0x9220, 0xffffffff, 0x00090008,
672 	0x9224, 0xffffffff, 0x00070000,
673 	0x9228, 0xffffffff, 0x00030002,
674 	0x922c, 0xffffffff, 0x00050004,
675 	0x9238, 0xffffffff, 0x00010006,
676 	0x923c, 0xffffffff, 0x00090008,
677 	0x9240, 0xffffffff, 0x00070000,
678 	0x9244, 0xffffffff, 0x00030002,
679 	0x9248, 0xffffffff, 0x00050004,
680 	0x9254, 0xffffffff, 0x00010006,
681 	0x9258, 0xffffffff, 0x00090008,
682 	0x925c, 0xffffffff, 0x00070000,
683 	0x9260, 0xffffffff, 0x00030002,
684 	0x9264, 0xffffffff, 0x00050004,
685 	0x9270, 0xffffffff, 0x00010006,
686 	0x9274, 0xffffffff, 0x00090008,
687 	0x9278, 0xffffffff, 0x00070000,
688 	0x927c, 0xffffffff, 0x00030002,
689 	0x9280, 0xffffffff, 0x00050004,
690 	0x928c, 0xffffffff, 0x00010006,
691 	0x9290, 0xffffffff, 0x00090008,
692 	0x9294, 0xffffffff, 0x00000000,
693 	0x929c, 0xffffffff, 0x00000001,
694 	0x802c, 0xffffffff, 0xc0000000,
695 	0x977c, 0xffffffff, 0x00000100,
696 	0x3f80, 0xffffffff, 0x00000100,
697 	0xa210, 0xffffffff, 0x00000100,
698 	0xa214, 0xffffffff, 0x00000100,
699 	0x4d8, 0xffffffff, 0x00000100,
700 	0x9784, 0xffffffff, 0x00000100,
701 	0x9698, 0xffffffff, 0x00000100,
702 	0x4d4, 0xffffffff, 0x00000200,
703 	0x30cc, 0xffffffff, 0x00000100,
704 	0x802c, 0xffffffff, 0xc0000000
705 };
706 
707 static const u32 supersumo_golden_registers[] =
708 {
709 	0x5eb4, 0xffffffff, 0x00000002,
710 	0x5c4, 0xffffffff, 0x00000001,
711 	0x7030, 0xffffffff, 0x00000011,
712 	0x7c30, 0xffffffff, 0x00000011,
713 	0x6104, 0x01000300, 0x00000000,
714 	0x5bc0, 0x00300000, 0x00000000,
715 	0x8c04, 0xffffffff, 0x40600060,
716 	0x8c08, 0xffffffff, 0x001c001c,
717 	0x8c20, 0xffffffff, 0x00800080,
718 	0x8c24, 0xffffffff, 0x00800080,
719 	0x8c18, 0xffffffff, 0x20202078,
720 	0x8c1c, 0xffffffff, 0x00001010,
721 	0x918c, 0xffffffff, 0x00010006,
722 	0x91a8, 0xffffffff, 0x00010006,
723 	0x91c4, 0xffffffff, 0x00010006,
724 	0x91e0, 0xffffffff, 0x00010006,
725 	0x9200, 0xffffffff, 0x00010006,
726 	0x9150, 0xffffffff, 0x6e944040,
727 	0x917c, 0xffffffff, 0x00030002,
728 	0x9180, 0xffffffff, 0x00050004,
729 	0x9198, 0xffffffff, 0x00030002,
730 	0x919c, 0xffffffff, 0x00050004,
731 	0x91b4, 0xffffffff, 0x00030002,
732 	0x91b8, 0xffffffff, 0x00050004,
733 	0x91d0, 0xffffffff, 0x00030002,
734 	0x91d4, 0xffffffff, 0x00050004,
735 	0x91f0, 0xffffffff, 0x00030002,
736 	0x91f4, 0xffffffff, 0x00050004,
737 	0x915c, 0xffffffff, 0x00010000,
738 	0x9160, 0xffffffff, 0x00030002,
739 	0x3f90, 0xffff0000, 0xff000000,
740 	0x9178, 0xffffffff, 0x00070000,
741 	0x9194, 0xffffffff, 0x00070000,
742 	0x91b0, 0xffffffff, 0x00070000,
743 	0x91cc, 0xffffffff, 0x00070000,
744 	0x91ec, 0xffffffff, 0x00070000,
745 	0x9148, 0xffff0000, 0xff000000,
746 	0x9190, 0xffffffff, 0x00090008,
747 	0x91ac, 0xffffffff, 0x00090008,
748 	0x91c8, 0xffffffff, 0x00090008,
749 	0x91e4, 0xffffffff, 0x00090008,
750 	0x9204, 0xffffffff, 0x00090008,
751 	0x3f94, 0xffff0000, 0xff000000,
752 	0x914c, 0xffff0000, 0xff000000,
753 	0x929c, 0xffffffff, 0x00000001,
754 	0x8a18, 0xffffffff, 0x00000100,
755 	0x8b28, 0xffffffff, 0x00000100,
756 	0x9144, 0xffffffff, 0x00000100,
757 	0x5644, 0xffffffff, 0x00000100,
758 	0x9b7c, 0xffffffff, 0x00000000,
759 	0x8030, 0xffffffff, 0x0000100a,
760 	0x8a14, 0xffffffff, 0x00000007,
761 	0x8b24, 0xffffffff, 0x00ff0fff,
762 	0x8b10, 0xffffffff, 0x00000000,
763 	0x28a4c, 0x06000000, 0x06000000,
764 	0x4d8, 0xffffffff, 0x00000100,
765 	0x913c, 0xffff000f, 0x0100000a,
766 	0x960c, 0xffffffff, 0x54763210,
767 	0x88c4, 0xffffffff, 0x000000c2,
768 	0x88d4, 0xffffffff, 0x00000010,
769 	0x8974, 0xffffffff, 0x00000000,
770 	0xc78, 0x00000080, 0x00000080,
771 	0x5e78, 0xffffffff, 0x001000f0,
772 	0xd02c, 0xffffffff, 0x08421000,
773 	0xa008, 0xffffffff, 0x00010000,
774 	0x8d00, 0xffffffff, 0x100e4848,
775 	0x8d04, 0xffffffff, 0x00164745,
776 	0x8c00, 0xffffffff, 0xe4000003,
777 	0x8cf0, 0x1fffffff, 0x08e00620,
778 	0x28350, 0xffffffff, 0x00000000,
779 	0x9508, 0xffffffff, 0x00000002
780 };
781 
782 static const u32 sumo_golden_registers[] =
783 {
784 	0x900c, 0x00ffffff, 0x0017071f,
785 	0x8c18, 0xffffffff, 0x10101060,
786 	0x8c1c, 0xffffffff, 0x00001010,
787 	0x8c30, 0x0000000f, 0x00000005,
788 	0x9688, 0x0000000f, 0x00000007
789 };
790 
791 static const u32 wrestler_golden_registers[] =
792 {
793 	0x5eb4, 0xffffffff, 0x00000002,
794 	0x5c4, 0xffffffff, 0x00000001,
795 	0x7030, 0xffffffff, 0x00000011,
796 	0x7c30, 0xffffffff, 0x00000011,
797 	0x6104, 0x01000300, 0x00000000,
798 	0x5bc0, 0x00300000, 0x00000000,
799 	0x918c, 0xffffffff, 0x00010006,
800 	0x91a8, 0xffffffff, 0x00010006,
801 	0x9150, 0xffffffff, 0x6e944040,
802 	0x917c, 0xffffffff, 0x00030002,
803 	0x9198, 0xffffffff, 0x00030002,
804 	0x915c, 0xffffffff, 0x00010000,
805 	0x3f90, 0xffff0000, 0xff000000,
806 	0x9178, 0xffffffff, 0x00070000,
807 	0x9194, 0xffffffff, 0x00070000,
808 	0x9148, 0xffff0000, 0xff000000,
809 	0x9190, 0xffffffff, 0x00090008,
810 	0x91ac, 0xffffffff, 0x00090008,
811 	0x3f94, 0xffff0000, 0xff000000,
812 	0x914c, 0xffff0000, 0xff000000,
813 	0x929c, 0xffffffff, 0x00000001,
814 	0x8a18, 0xffffffff, 0x00000100,
815 	0x8b28, 0xffffffff, 0x00000100,
816 	0x9144, 0xffffffff, 0x00000100,
817 	0x9b7c, 0xffffffff, 0x00000000,
818 	0x8030, 0xffffffff, 0x0000100a,
819 	0x8a14, 0xffffffff, 0x00000001,
820 	0x8b24, 0xffffffff, 0x00ff0fff,
821 	0x8b10, 0xffffffff, 0x00000000,
822 	0x28a4c, 0x06000000, 0x06000000,
823 	0x4d8, 0xffffffff, 0x00000100,
824 	0x913c, 0xffff000f, 0x0100000a,
825 	0x960c, 0xffffffff, 0x54763210,
826 	0x88c4, 0xffffffff, 0x000000c2,
827 	0x88d4, 0xffffffff, 0x00000010,
828 	0x8974, 0xffffffff, 0x00000000,
829 	0xc78, 0x00000080, 0x00000080,
830 	0x5e78, 0xffffffff, 0x001000f0,
831 	0xd02c, 0xffffffff, 0x08421000,
832 	0xa008, 0xffffffff, 0x00010000,
833 	0x8d00, 0xffffffff, 0x100e4848,
834 	0x8d04, 0xffffffff, 0x00164745,
835 	0x8c00, 0xffffffff, 0xe4000003,
836 	0x8cf0, 0x1fffffff, 0x08e00410,
837 	0x28350, 0xffffffff, 0x00000000,
838 	0x9508, 0xffffffff, 0x00000002,
839 	0x900c, 0xffffffff, 0x0017071f,
840 	0x8c18, 0xffffffff, 0x10101060,
841 	0x8c1c, 0xffffffff, 0x00001010
842 };
843 
844 static const u32 barts_golden_registers[] =
845 {
846 	0x5eb4, 0xffffffff, 0x00000002,
847 	0x5e78, 0x8f311ff1, 0x001000f0,
848 	0x3f90, 0xffff0000, 0xff000000,
849 	0x9148, 0xffff0000, 0xff000000,
850 	0x3f94, 0xffff0000, 0xff000000,
851 	0x914c, 0xffff0000, 0xff000000,
852 	0xc78, 0x00000080, 0x00000080,
853 	0xbd4, 0x70073777, 0x00010001,
854 	0xd02c, 0xbfffff1f, 0x08421000,
855 	0xd0b8, 0x03773777, 0x02011003,
856 	0x5bc0, 0x00200000, 0x50100000,
857 	0x98f8, 0x33773777, 0x02011003,
858 	0x98fc, 0xffffffff, 0x76543210,
859 	0x7030, 0x31000311, 0x00000011,
860 	0x2f48, 0x00000007, 0x02011003,
861 	0x6b28, 0x00000010, 0x00000012,
862 	0x7728, 0x00000010, 0x00000012,
863 	0x10328, 0x00000010, 0x00000012,
864 	0x10f28, 0x00000010, 0x00000012,
865 	0x11b28, 0x00000010, 0x00000012,
866 	0x12728, 0x00000010, 0x00000012,
867 	0x240c, 0x000007ff, 0x00000380,
868 	0x8a14, 0xf000001f, 0x00000007,
869 	0x8b24, 0x3fff3fff, 0x00ff0fff,
870 	0x8b10, 0x0000ff0f, 0x00000000,
871 	0x28a4c, 0x07ffffff, 0x06000000,
872 	0x10c, 0x00000001, 0x00010003,
873 	0xa02c, 0xffffffff, 0x0000009b,
874 	0x913c, 0x0000000f, 0x0100000a,
875 	0x8d00, 0xffff7f7f, 0x100e4848,
876 	0x8d04, 0x00ffffff, 0x00164745,
877 	0x8c00, 0xfffc0003, 0xe4000003,
878 	0x8c04, 0xf8ff00ff, 0x40600060,
879 	0x8c08, 0x00ff00ff, 0x001c001c,
880 	0x8cf0, 0x1fff1fff, 0x08e00620,
881 	0x8c20, 0x0fff0fff, 0x00800080,
882 	0x8c24, 0x0fff0fff, 0x00800080,
883 	0x8c18, 0xffffffff, 0x20202078,
884 	0x8c1c, 0x0000ffff, 0x00001010,
885 	0x28350, 0x00000f01, 0x00000000,
886 	0x9508, 0x3700001f, 0x00000002,
887 	0x960c, 0xffffffff, 0x54763210,
888 	0x88c4, 0x001f3ae3, 0x000000c2,
889 	0x88d4, 0x0000001f, 0x00000010,
890 	0x8974, 0xffffffff, 0x00000000
891 };
892 
893 static const u32 turks_golden_registers[] =
894 {
895 	0x5eb4, 0xffffffff, 0x00000002,
896 	0x5e78, 0x8f311ff1, 0x001000f0,
897 	0x8c8, 0x00003000, 0x00001070,
898 	0x8cc, 0x000fffff, 0x00040035,
899 	0x3f90, 0xffff0000, 0xfff00000,
900 	0x9148, 0xffff0000, 0xfff00000,
901 	0x3f94, 0xffff0000, 0xfff00000,
902 	0x914c, 0xffff0000, 0xfff00000,
903 	0xc78, 0x00000080, 0x00000080,
904 	0xbd4, 0x00073007, 0x00010002,
905 	0xd02c, 0xbfffff1f, 0x08421000,
906 	0xd0b8, 0x03773777, 0x02010002,
907 	0x5bc0, 0x00200000, 0x50100000,
908 	0x98f8, 0x33773777, 0x00010002,
909 	0x98fc, 0xffffffff, 0x33221100,
910 	0x7030, 0x31000311, 0x00000011,
911 	0x2f48, 0x33773777, 0x00010002,
912 	0x6b28, 0x00000010, 0x00000012,
913 	0x7728, 0x00000010, 0x00000012,
914 	0x10328, 0x00000010, 0x00000012,
915 	0x10f28, 0x00000010, 0x00000012,
916 	0x11b28, 0x00000010, 0x00000012,
917 	0x12728, 0x00000010, 0x00000012,
918 	0x240c, 0x000007ff, 0x00000380,
919 	0x8a14, 0xf000001f, 0x00000007,
920 	0x8b24, 0x3fff3fff, 0x00ff0fff,
921 	0x8b10, 0x0000ff0f, 0x00000000,
922 	0x28a4c, 0x07ffffff, 0x06000000,
923 	0x10c, 0x00000001, 0x00010003,
924 	0xa02c, 0xffffffff, 0x0000009b,
925 	0x913c, 0x0000000f, 0x0100000a,
926 	0x8d00, 0xffff7f7f, 0x100e4848,
927 	0x8d04, 0x00ffffff, 0x00164745,
928 	0x8c00, 0xfffc0003, 0xe4000003,
929 	0x8c04, 0xf8ff00ff, 0x40600060,
930 	0x8c08, 0x00ff00ff, 0x001c001c,
931 	0x8cf0, 0x1fff1fff, 0x08e00410,
932 	0x8c20, 0x0fff0fff, 0x00800080,
933 	0x8c24, 0x0fff0fff, 0x00800080,
934 	0x8c18, 0xffffffff, 0x20202078,
935 	0x8c1c, 0x0000ffff, 0x00001010,
936 	0x28350, 0x00000f01, 0x00000000,
937 	0x9508, 0x3700001f, 0x00000002,
938 	0x960c, 0xffffffff, 0x54763210,
939 	0x88c4, 0x001f3ae3, 0x000000c2,
940 	0x88d4, 0x0000001f, 0x00000010,
941 	0x8974, 0xffffffff, 0x00000000
942 };
943 
944 static const u32 caicos_golden_registers[] =
945 {
946 	0x5eb4, 0xffffffff, 0x00000002,
947 	0x5e78, 0x8f311ff1, 0x001000f0,
948 	0x8c8, 0x00003420, 0x00001450,
949 	0x8cc, 0x000fffff, 0x00040035,
950 	0x3f90, 0xffff0000, 0xfffc0000,
951 	0x9148, 0xffff0000, 0xfffc0000,
952 	0x3f94, 0xffff0000, 0xfffc0000,
953 	0x914c, 0xffff0000, 0xfffc0000,
954 	0xc78, 0x00000080, 0x00000080,
955 	0xbd4, 0x00073007, 0x00010001,
956 	0xd02c, 0xbfffff1f, 0x08421000,
957 	0xd0b8, 0x03773777, 0x02010001,
958 	0x5bc0, 0x00200000, 0x50100000,
959 	0x98f8, 0x33773777, 0x02010001,
960 	0x98fc, 0xffffffff, 0x33221100,
961 	0x7030, 0x31000311, 0x00000011,
962 	0x2f48, 0x33773777, 0x02010001,
963 	0x6b28, 0x00000010, 0x00000012,
964 	0x7728, 0x00000010, 0x00000012,
965 	0x10328, 0x00000010, 0x00000012,
966 	0x10f28, 0x00000010, 0x00000012,
967 	0x11b28, 0x00000010, 0x00000012,
968 	0x12728, 0x00000010, 0x00000012,
969 	0x240c, 0x000007ff, 0x00000380,
970 	0x8a14, 0xf000001f, 0x00000001,
971 	0x8b24, 0x3fff3fff, 0x00ff0fff,
972 	0x8b10, 0x0000ff0f, 0x00000000,
973 	0x28a4c, 0x07ffffff, 0x06000000,
974 	0x10c, 0x00000001, 0x00010003,
975 	0xa02c, 0xffffffff, 0x0000009b,
976 	0x913c, 0x0000000f, 0x0100000a,
977 	0x8d00, 0xffff7f7f, 0x100e4848,
978 	0x8d04, 0x00ffffff, 0x00164745,
979 	0x8c00, 0xfffc0003, 0xe4000003,
980 	0x8c04, 0xf8ff00ff, 0x40600060,
981 	0x8c08, 0x00ff00ff, 0x001c001c,
982 	0x8cf0, 0x1fff1fff, 0x08e00410,
983 	0x8c20, 0x0fff0fff, 0x00800080,
984 	0x8c24, 0x0fff0fff, 0x00800080,
985 	0x8c18, 0xffffffff, 0x20202078,
986 	0x8c1c, 0x0000ffff, 0x00001010,
987 	0x28350, 0x00000f01, 0x00000000,
988 	0x9508, 0x3700001f, 0x00000002,
989 	0x960c, 0xffffffff, 0x54763210,
990 	0x88c4, 0x001f3ae3, 0x000000c2,
991 	0x88d4, 0x0000001f, 0x00000010,
992 	0x8974, 0xffffffff, 0x00000000
993 };
994 
995 static void evergreen_init_golden_registers(struct radeon_device *rdev)
996 {
997 	switch (rdev->family) {
998 	case CHIP_CYPRESS:
999 	case CHIP_HEMLOCK:
1000 		radeon_program_register_sequence(rdev,
1001 						 evergreen_golden_registers,
1002 						 (const u32)ARRAY_SIZE(evergreen_golden_registers));
1003 		radeon_program_register_sequence(rdev,
1004 						 evergreen_golden_registers2,
1005 						 (const u32)ARRAY_SIZE(evergreen_golden_registers2));
1006 		radeon_program_register_sequence(rdev,
1007 						 cypress_mgcg_init,
1008 						 (const u32)ARRAY_SIZE(cypress_mgcg_init));
1009 		break;
1010 	case CHIP_JUNIPER:
1011 		radeon_program_register_sequence(rdev,
1012 						 evergreen_golden_registers,
1013 						 (const u32)ARRAY_SIZE(evergreen_golden_registers));
1014 		radeon_program_register_sequence(rdev,
1015 						 evergreen_golden_registers2,
1016 						 (const u32)ARRAY_SIZE(evergreen_golden_registers2));
1017 		radeon_program_register_sequence(rdev,
1018 						 juniper_mgcg_init,
1019 						 (const u32)ARRAY_SIZE(juniper_mgcg_init));
1020 		break;
1021 	case CHIP_REDWOOD:
1022 		radeon_program_register_sequence(rdev,
1023 						 evergreen_golden_registers,
1024 						 (const u32)ARRAY_SIZE(evergreen_golden_registers));
1025 		radeon_program_register_sequence(rdev,
1026 						 evergreen_golden_registers2,
1027 						 (const u32)ARRAY_SIZE(evergreen_golden_registers2));
1028 		radeon_program_register_sequence(rdev,
1029 						 redwood_mgcg_init,
1030 						 (const u32)ARRAY_SIZE(redwood_mgcg_init));
1031 		break;
1032 	case CHIP_CEDAR:
1033 		radeon_program_register_sequence(rdev,
1034 						 cedar_golden_registers,
1035 						 (const u32)ARRAY_SIZE(cedar_golden_registers));
1036 		radeon_program_register_sequence(rdev,
1037 						 evergreen_golden_registers2,
1038 						 (const u32)ARRAY_SIZE(evergreen_golden_registers2));
1039 		radeon_program_register_sequence(rdev,
1040 						 cedar_mgcg_init,
1041 						 (const u32)ARRAY_SIZE(cedar_mgcg_init));
1042 		break;
1043 	case CHIP_PALM:
1044 		radeon_program_register_sequence(rdev,
1045 						 wrestler_golden_registers,
1046 						 (const u32)ARRAY_SIZE(wrestler_golden_registers));
1047 		break;
1048 	case CHIP_SUMO:
1049 		radeon_program_register_sequence(rdev,
1050 						 supersumo_golden_registers,
1051 						 (const u32)ARRAY_SIZE(supersumo_golden_registers));
1052 		break;
1053 	case CHIP_SUMO2:
1054 		radeon_program_register_sequence(rdev,
1055 						 supersumo_golden_registers,
1056 						 (const u32)ARRAY_SIZE(supersumo_golden_registers));
1057 		radeon_program_register_sequence(rdev,
1058 						 sumo_golden_registers,
1059 						 (const u32)ARRAY_SIZE(sumo_golden_registers));
1060 		break;
1061 	case CHIP_BARTS:
1062 		radeon_program_register_sequence(rdev,
1063 						 barts_golden_registers,
1064 						 (const u32)ARRAY_SIZE(barts_golden_registers));
1065 		break;
1066 	case CHIP_TURKS:
1067 		radeon_program_register_sequence(rdev,
1068 						 turks_golden_registers,
1069 						 (const u32)ARRAY_SIZE(turks_golden_registers));
1070 		break;
1071 	case CHIP_CAICOS:
1072 		radeon_program_register_sequence(rdev,
1073 						 caicos_golden_registers,
1074 						 (const u32)ARRAY_SIZE(caicos_golden_registers));
1075 		break;
1076 	default:
1077 		break;
1078 	}
1079 }
1080 
1081 /**
1082  * evergreen_get_allowed_info_register - fetch the register for the info ioctl
1083  *
1084  * @rdev: radeon_device pointer
1085  * @reg: register offset in bytes
1086  * @val: register value
1087  *
1088  * Returns 0 for success or -EINVAL for an invalid register
1089  *
1090  */
1091 int evergreen_get_allowed_info_register(struct radeon_device *rdev,
1092 					u32 reg, u32 *val)
1093 {
1094 	switch (reg) {
1095 	case GRBM_STATUS:
1096 	case GRBM_STATUS_SE0:
1097 	case GRBM_STATUS_SE1:
1098 	case SRBM_STATUS:
1099 	case SRBM_STATUS2:
1100 	case DMA_STATUS_REG:
1101 	case UVD_STATUS:
1102 		*val = RREG32(reg);
1103 		return 0;
1104 	default:
1105 		return -EINVAL;
1106 	}
1107 }
1108 
1109 void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw,
1110 			     unsigned *bankh, unsigned *mtaspect,
1111 			     unsigned *tile_split)
1112 {
1113 	*bankw = (tiling_flags >> RADEON_TILING_EG_BANKW_SHIFT) & RADEON_TILING_EG_BANKW_MASK;
1114 	*bankh = (tiling_flags >> RADEON_TILING_EG_BANKH_SHIFT) & RADEON_TILING_EG_BANKH_MASK;
1115 	*mtaspect = (tiling_flags >> RADEON_TILING_EG_MACRO_TILE_ASPECT_SHIFT) & RADEON_TILING_EG_MACRO_TILE_ASPECT_MASK;
1116 	*tile_split = (tiling_flags >> RADEON_TILING_EG_TILE_SPLIT_SHIFT) & RADEON_TILING_EG_TILE_SPLIT_MASK;
1117 	switch (*bankw) {
1118 	default:
1119 	case 1: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_1; break;
1120 	case 2: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_2; break;
1121 	case 4: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_4; break;
1122 	case 8: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_8; break;
1123 	}
1124 	switch (*bankh) {
1125 	default:
1126 	case 1: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_1; break;
1127 	case 2: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_2; break;
1128 	case 4: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_4; break;
1129 	case 8: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_8; break;
1130 	}
1131 	switch (*mtaspect) {
1132 	default:
1133 	case 1: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_1; break;
1134 	case 2: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_2; break;
1135 	case 4: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_4; break;
1136 	case 8: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_8; break;
1137 	}
1138 }
1139 
1140 static int sumo_set_uvd_clock(struct radeon_device *rdev, u32 clock,
1141 			      u32 cntl_reg, u32 status_reg)
1142 {
1143 	int r, i;
1144 	struct atom_clock_dividers dividers;
1145 
1146 	r = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
1147 					   clock, false, &dividers);
1148 	if (r)
1149 		return r;
1150 
1151 	WREG32_P(cntl_reg, dividers.post_div, ~(DCLK_DIR_CNTL_EN|DCLK_DIVIDER_MASK));
1152 
1153 	for (i = 0; i < 100; i++) {
1154 		if (RREG32(status_reg) & DCLK_STATUS)
1155 			break;
1156 		mdelay(10);
1157 	}
1158 	if (i == 100)
1159 		return -ETIMEDOUT;
1160 
1161 	return 0;
1162 }
1163 
1164 int sumo_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
1165 {
1166 	int r = 0;
1167 	u32 cg_scratch = RREG32(CG_SCRATCH1);
1168 
1169 	r = sumo_set_uvd_clock(rdev, vclk, CG_VCLK_CNTL, CG_VCLK_STATUS);
1170 	if (r)
1171 		goto done;
1172 	cg_scratch &= 0xffff0000;
1173 	cg_scratch |= vclk / 100; /* Mhz */
1174 
1175 	r = sumo_set_uvd_clock(rdev, dclk, CG_DCLK_CNTL, CG_DCLK_STATUS);
1176 	if (r)
1177 		goto done;
1178 	cg_scratch &= 0x0000ffff;
1179 	cg_scratch |= (dclk / 100) << 16; /* Mhz */
1180 
1181 done:
1182 	WREG32(CG_SCRATCH1, cg_scratch);
1183 
1184 	return r;
1185 }
1186 
1187 int evergreen_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
1188 {
1189 	/* start off with something large */
1190 	unsigned fb_div = 0, vclk_div = 0, dclk_div = 0;
1191 	int r;
1192 
1193 	/* bypass vclk and dclk with bclk */
1194 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
1195 		VCLK_SRC_SEL(1) | DCLK_SRC_SEL(1),
1196 		~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
1197 
1198 	/* put PLL in bypass mode */
1199 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~UPLL_BYPASS_EN_MASK);
1200 
1201 	if (!vclk || !dclk) {
1202 		/* keep the Bypass mode, put PLL to sleep */
1203 		WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
1204 		return 0;
1205 	}
1206 
1207 	r = radeon_uvd_calc_upll_dividers(rdev, vclk, dclk, 125000, 250000,
1208 					  16384, 0x03FFFFFF, 0, 128, 5,
1209 					  &fb_div, &vclk_div, &dclk_div);
1210 	if (r)
1211 		return r;
1212 
1213 	/* set VCO_MODE to 1 */
1214 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_VCO_MODE_MASK, ~UPLL_VCO_MODE_MASK);
1215 
1216 	/* toggle UPLL_SLEEP to 1 then back to 0 */
1217 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
1218 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_SLEEP_MASK);
1219 
1220 	/* deassert UPLL_RESET */
1221 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
1222 
1223 	mdelay(1);
1224 
1225 	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
1226 	if (r)
1227 		return r;
1228 
1229 	/* assert UPLL_RESET again */
1230 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_RESET_MASK, ~UPLL_RESET_MASK);
1231 
1232 	/* disable spread spectrum. */
1233 	WREG32_P(CG_UPLL_SPREAD_SPECTRUM, 0, ~SSEN_MASK);
1234 
1235 	/* set feedback divider */
1236 	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(fb_div), ~UPLL_FB_DIV_MASK);
1237 
1238 	/* set ref divider to 0 */
1239 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_REF_DIV_MASK);
1240 
1241 	if (fb_div < 307200)
1242 		WREG32_P(CG_UPLL_FUNC_CNTL_4, 0, ~UPLL_SPARE_ISPARE9);
1243 	else
1244 		WREG32_P(CG_UPLL_FUNC_CNTL_4, UPLL_SPARE_ISPARE9, ~UPLL_SPARE_ISPARE9);
1245 
1246 	/* set PDIV_A and PDIV_B */
1247 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
1248 		UPLL_PDIV_A(vclk_div) | UPLL_PDIV_B(dclk_div),
1249 		~(UPLL_PDIV_A_MASK | UPLL_PDIV_B_MASK));
1250 
1251 	/* give the PLL some time to settle */
1252 	mdelay(15);
1253 
1254 	/* deassert PLL_RESET */
1255 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
1256 
1257 	mdelay(15);
1258 
1259 	/* switch from bypass mode to normal mode */
1260 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_BYPASS_EN_MASK);
1261 
1262 	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
1263 	if (r)
1264 		return r;
1265 
1266 	/* switch VCLK and DCLK selection */
1267 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
1268 		VCLK_SRC_SEL(2) | DCLK_SRC_SEL(2),
1269 		~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
1270 
1271 	mdelay(100);
1272 
1273 	return 0;
1274 }
1275 
1276 void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev)
1277 {
1278 	int readrq;
1279 	u16 v;
1280 
1281 	readrq = pcie_get_readrq(rdev->pdev);
1282 	v = ffs(readrq) - 8;
1283 	/* if bios or OS sets MAX_READ_REQUEST_SIZE to an invalid value, fix it
1284 	 * to avoid hangs or perfomance issues
1285 	 */
1286 	if ((v == 0) || (v == 6) || (v == 7))
1287 		pcie_set_readrq(rdev->pdev, 512);
1288 }
1289 
1290 void dce4_program_fmt(struct drm_encoder *encoder)
1291 {
1292 	struct drm_device *dev = encoder->dev;
1293 	struct radeon_device *rdev = dev->dev_private;
1294 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1295 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
1296 	struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
1297 	int bpc = 0;
1298 	u32 tmp = 0;
1299 	enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE;
1300 
1301 	if (connector) {
1302 		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1303 		bpc = radeon_get_monitor_bpc(connector);
1304 		dither = radeon_connector->dither;
1305 	}
1306 
1307 	/* LVDS/eDP FMT is set up by atom */
1308 	if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
1309 		return;
1310 
1311 	/* not needed for analog */
1312 	if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
1313 	    (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
1314 		return;
1315 
1316 	if (bpc == 0)
1317 		return;
1318 
1319 	switch (bpc) {
1320 	case 6:
1321 		if (dither == RADEON_FMT_DITHER_ENABLE)
1322 			/* XXX sort out optimal dither settings */
1323 			tmp |= (FMT_FRAME_RANDOM_ENABLE | FMT_HIGHPASS_RANDOM_ENABLE |
1324 				FMT_SPATIAL_DITHER_EN);
1325 		else
1326 			tmp |= FMT_TRUNCATE_EN;
1327 		break;
1328 	case 8:
1329 		if (dither == RADEON_FMT_DITHER_ENABLE)
1330 			/* XXX sort out optimal dither settings */
1331 			tmp |= (FMT_FRAME_RANDOM_ENABLE | FMT_HIGHPASS_RANDOM_ENABLE |
1332 				FMT_RGB_RANDOM_ENABLE |
1333 				FMT_SPATIAL_DITHER_EN | FMT_SPATIAL_DITHER_DEPTH);
1334 		else
1335 			tmp |= (FMT_TRUNCATE_EN | FMT_TRUNCATE_DEPTH);
1336 		break;
1337 	case 10:
1338 	default:
1339 		/* not needed */
1340 		break;
1341 	}
1342 
1343 	WREG32(FMT_BIT_DEPTH_CONTROL + radeon_crtc->crtc_offset, tmp);
1344 }
1345 
1346 static bool dce4_is_in_vblank(struct radeon_device *rdev, int crtc)
1347 {
1348 	if (RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK)
1349 		return true;
1350 	else
1351 		return false;
1352 }
1353 
1354 static bool dce4_is_counter_moving(struct radeon_device *rdev, int crtc)
1355 {
1356 	u32 pos1, pos2;
1357 
1358 	pos1 = RREG32(EVERGREEN_CRTC_STATUS_POSITION + crtc_offsets[crtc]);
1359 	pos2 = RREG32(EVERGREEN_CRTC_STATUS_POSITION + crtc_offsets[crtc]);
1360 
1361 	if (pos1 != pos2)
1362 		return true;
1363 	else
1364 		return false;
1365 }
1366 
1367 /**
1368  * dce4_wait_for_vblank - vblank wait asic callback.
1369  *
1370  * @rdev: radeon_device pointer
1371  * @crtc: crtc to wait for vblank on
1372  *
1373  * Wait for vblank on the requested crtc (evergreen+).
1374  */
1375 void dce4_wait_for_vblank(struct radeon_device *rdev, int crtc)
1376 {
1377 	unsigned i = 0;
1378 
1379 	if (crtc >= rdev->num_crtc)
1380 		return;
1381 
1382 	if (!(RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[crtc]) & EVERGREEN_CRTC_MASTER_EN))
1383 		return;
1384 
1385 	/* depending on when we hit vblank, we may be close to active; if so,
1386 	 * wait for another frame.
1387 	 */
1388 	while (dce4_is_in_vblank(rdev, crtc)) {
1389 		if (i++ % 100 == 0) {
1390 			if (!dce4_is_counter_moving(rdev, crtc))
1391 				break;
1392 		}
1393 	}
1394 
1395 	while (!dce4_is_in_vblank(rdev, crtc)) {
1396 		if (i++ % 100 == 0) {
1397 			if (!dce4_is_counter_moving(rdev, crtc))
1398 				break;
1399 		}
1400 	}
1401 }
1402 
1403 /**
1404  * evergreen_page_flip - pageflip callback.
1405  *
1406  * @rdev: radeon_device pointer
1407  * @crtc_id: crtc to cleanup pageflip on
1408  * @crtc_base: new address of the crtc (GPU MC address)
1409  * @async: asynchronous flip
1410  *
1411  * Triggers the actual pageflip by updating the primary
1412  * surface base address (evergreen+).
1413  */
1414 void evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base,
1415 			 bool async)
1416 {
1417 	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
1418 	struct drm_framebuffer *fb = radeon_crtc->base.primary->fb;
1419 
1420 	/* flip at hsync for async, default is vsync */
1421 	WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset,
1422 	       async ? EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN : 0);
1423 	/* update pitch */
1424 	WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset,
1425 	       fb->pitches[0] / fb->format->cpp[0]);
1426 	/* update the scanout addresses */
1427 	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
1428 	       upper_32_bits(crtc_base));
1429 	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1430 	       (u32)crtc_base);
1431 	/* post the write */
1432 	RREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset);
1433 }
1434 
1435 /**
1436  * evergreen_page_flip_pending - check if page flip is still pending
1437  *
1438  * @rdev: radeon_device pointer
1439  * @crtc_id: crtc to check
1440  *
1441  * Returns the current update pending status.
1442  */
1443 bool evergreen_page_flip_pending(struct radeon_device *rdev, int crtc_id)
1444 {
1445 	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
1446 
1447 	/* Return current update_pending status: */
1448 	return !!(RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) &
1449 		EVERGREEN_GRPH_SURFACE_UPDATE_PENDING);
1450 }
1451 
1452 /* get temperature in millidegrees */
1453 int evergreen_get_temp(struct radeon_device *rdev)
1454 {
1455 	u32 temp, toffset;
1456 	int actual_temp = 0;
1457 
1458 	if (rdev->family == CHIP_JUNIPER) {
1459 		toffset = (RREG32(CG_THERMAL_CTRL) & TOFFSET_MASK) >>
1460 			TOFFSET_SHIFT;
1461 		temp = (RREG32(CG_TS0_STATUS) & TS0_ADC_DOUT_MASK) >>
1462 			TS0_ADC_DOUT_SHIFT;
1463 
1464 		if (toffset & 0x100)
1465 			actual_temp = temp / 2 - (0x200 - toffset);
1466 		else
1467 			actual_temp = temp / 2 + toffset;
1468 
1469 		actual_temp = actual_temp * 1000;
1470 
1471 	} else {
1472 		temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
1473 			ASIC_T_SHIFT;
1474 
1475 		if (temp & 0x400)
1476 			actual_temp = -256;
1477 		else if (temp & 0x200)
1478 			actual_temp = 255;
1479 		else if (temp & 0x100) {
1480 			actual_temp = temp & 0x1ff;
1481 			actual_temp |= ~0x1ff;
1482 		} else
1483 			actual_temp = temp & 0xff;
1484 
1485 		actual_temp = (actual_temp * 1000) / 2;
1486 	}
1487 
1488 	return actual_temp;
1489 }
1490 
1491 int sumo_get_temp(struct radeon_device *rdev)
1492 {
1493 	u32 temp = RREG32(CG_THERMAL_STATUS) & 0xff;
1494 	int actual_temp = temp - 49;
1495 
1496 	return actual_temp * 1000;
1497 }
1498 
1499 /**
1500  * sumo_pm_init_profile - Initialize power profiles callback.
1501  *
1502  * @rdev: radeon_device pointer
1503  *
1504  * Initialize the power states used in profile mode
1505  * (sumo, trinity, SI).
1506  * Used for profile mode only.
1507  */
1508 void sumo_pm_init_profile(struct radeon_device *rdev)
1509 {
1510 	int idx;
1511 
1512 	/* default */
1513 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
1514 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
1515 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
1516 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
1517 
1518 	/* low,mid sh/mh */
1519 	if (rdev->flags & RADEON_IS_MOBILITY)
1520 		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
1521 	else
1522 		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
1523 
1524 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
1525 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
1526 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
1527 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
1528 
1529 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
1530 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
1531 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
1532 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
1533 
1534 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
1535 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
1536 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
1537 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
1538 
1539 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
1540 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
1541 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
1542 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
1543 
1544 	/* high sh/mh */
1545 	idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
1546 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
1547 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
1548 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
1549 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx =
1550 		rdev->pm.power_state[idx].num_clock_modes - 1;
1551 
1552 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
1553 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
1554 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
1555 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx =
1556 		rdev->pm.power_state[idx].num_clock_modes - 1;
1557 }
1558 
1559 /**
1560  * btc_pm_init_profile - Initialize power profiles callback.
1561  *
1562  * @rdev: radeon_device pointer
1563  *
1564  * Initialize the power states used in profile mode
1565  * (BTC, cayman).
1566  * Used for profile mode only.
1567  */
1568 void btc_pm_init_profile(struct radeon_device *rdev)
1569 {
1570 	int idx;
1571 
1572 	/* default */
1573 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
1574 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
1575 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
1576 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
1577 	/* starting with BTC, there is one state that is used for both
1578 	 * MH and SH.  Difference is that we always use the high clock index for
1579 	 * mclk.
1580 	 */
1581 	if (rdev->flags & RADEON_IS_MOBILITY)
1582 		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
1583 	else
1584 		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
1585 	/* low sh */
1586 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
1587 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
1588 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
1589 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
1590 	/* mid sh */
1591 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
1592 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
1593 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
1594 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
1595 	/* high sh */
1596 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
1597 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
1598 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
1599 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
1600 	/* low mh */
1601 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
1602 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
1603 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
1604 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
1605 	/* mid mh */
1606 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
1607 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
1608 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
1609 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
1610 	/* high mh */
1611 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
1612 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
1613 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
1614 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
1615 }
1616 
1617 /**
1618  * evergreen_pm_misc - set additional pm hw parameters callback.
1619  *
1620  * @rdev: radeon_device pointer
1621  *
1622  * Set non-clock parameters associated with a power state
1623  * (voltage, etc.) (evergreen+).
1624  */
1625 void evergreen_pm_misc(struct radeon_device *rdev)
1626 {
1627 	int req_ps_idx = rdev->pm.requested_power_state_index;
1628 	int req_cm_idx = rdev->pm.requested_clock_mode_index;
1629 	struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
1630 	struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
1631 
1632 	if (voltage->type == VOLTAGE_SW) {
1633 		/* 0xff0x are flags rather then an actual voltage */
1634 		if ((voltage->voltage & 0xff00) == 0xff00)
1635 			return;
1636 		if (voltage->voltage && (voltage->voltage != rdev->pm.current_vddc)) {
1637 			radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
1638 			rdev->pm.current_vddc = voltage->voltage;
1639 			DRM_DEBUG("Setting: vddc: %d\n", voltage->voltage);
1640 		}
1641 
1642 		/* starting with BTC, there is one state that is used for both
1643 		 * MH and SH.  Difference is that we always use the high clock index for
1644 		 * mclk and vddci.
1645 		 */
1646 		if ((rdev->pm.pm_method == PM_METHOD_PROFILE) &&
1647 		    (rdev->family >= CHIP_BARTS) &&
1648 		    rdev->pm.active_crtc_count &&
1649 		    ((rdev->pm.profile_index == PM_PROFILE_MID_MH_IDX) ||
1650 		     (rdev->pm.profile_index == PM_PROFILE_LOW_MH_IDX)))
1651 			voltage = &rdev->pm.power_state[req_ps_idx].
1652 				clock_info[rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx].voltage;
1653 
1654 		/* 0xff0x are flags rather then an actual voltage */
1655 		if ((voltage->vddci & 0xff00) == 0xff00)
1656 			return;
1657 		if (voltage->vddci && (voltage->vddci != rdev->pm.current_vddci)) {
1658 			radeon_atom_set_voltage(rdev, voltage->vddci, SET_VOLTAGE_TYPE_ASIC_VDDCI);
1659 			rdev->pm.current_vddci = voltage->vddci;
1660 			DRM_DEBUG("Setting: vddci: %d\n", voltage->vddci);
1661 		}
1662 	}
1663 }
1664 
1665 /**
1666  * evergreen_pm_prepare - pre-power state change callback.
1667  *
1668  * @rdev: radeon_device pointer
1669  *
1670  * Prepare for a power state change (evergreen+).
1671  */
1672 void evergreen_pm_prepare(struct radeon_device *rdev)
1673 {
1674 	struct drm_device *ddev = rdev->ddev;
1675 	struct drm_crtc *crtc;
1676 	struct radeon_crtc *radeon_crtc;
1677 	u32 tmp;
1678 
1679 	/* disable any active CRTCs */
1680 	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
1681 		radeon_crtc = to_radeon_crtc(crtc);
1682 		if (radeon_crtc->enabled) {
1683 			tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
1684 			tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
1685 			WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
1686 		}
1687 	}
1688 }
1689 
1690 /**
1691  * evergreen_pm_finish - post-power state change callback.
1692  *
1693  * @rdev: radeon_device pointer
1694  *
1695  * Clean up after a power state change (evergreen+).
1696  */
1697 void evergreen_pm_finish(struct radeon_device *rdev)
1698 {
1699 	struct drm_device *ddev = rdev->ddev;
1700 	struct drm_crtc *crtc;
1701 	struct radeon_crtc *radeon_crtc;
1702 	u32 tmp;
1703 
1704 	/* enable any active CRTCs */
1705 	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
1706 		radeon_crtc = to_radeon_crtc(crtc);
1707 		if (radeon_crtc->enabled) {
1708 			tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
1709 			tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
1710 			WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
1711 		}
1712 	}
1713 }
1714 
1715 /**
1716  * evergreen_hpd_sense - hpd sense callback.
1717  *
1718  * @rdev: radeon_device pointer
1719  * @hpd: hpd (hotplug detect) pin
1720  *
1721  * Checks if a digital monitor is connected (evergreen+).
1722  * Returns true if connected, false if not connected.
1723  */
1724 bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
1725 {
1726 	if (hpd == RADEON_HPD_NONE)
1727 		return false;
1728 
1729 	return !!(RREG32(DC_HPDx_INT_STATUS_REG(hpd)) & DC_HPDx_SENSE);
1730 }
1731 
1732 /**
1733  * evergreen_hpd_set_polarity - hpd set polarity callback.
1734  *
1735  * @rdev: radeon_device pointer
1736  * @hpd: hpd (hotplug detect) pin
1737  *
1738  * Set the polarity of the hpd pin (evergreen+).
1739  */
1740 void evergreen_hpd_set_polarity(struct radeon_device *rdev,
1741 				enum radeon_hpd_id hpd)
1742 {
1743 	bool connected = evergreen_hpd_sense(rdev, hpd);
1744 
1745 	if (hpd == RADEON_HPD_NONE)
1746 		return;
1747 
1748 	if (connected)
1749 		WREG32_AND(DC_HPDx_INT_CONTROL(hpd), ~DC_HPDx_INT_POLARITY);
1750 	else
1751 		WREG32_OR(DC_HPDx_INT_CONTROL(hpd), DC_HPDx_INT_POLARITY);
1752 }
1753 
1754 /**
1755  * evergreen_hpd_init - hpd setup callback.
1756  *
1757  * @rdev: radeon_device pointer
1758  *
1759  * Setup the hpd pins used by the card (evergreen+).
1760  * Enable the pin, set the polarity, and enable the hpd interrupts.
1761  */
1762 void evergreen_hpd_init(struct radeon_device *rdev)
1763 {
1764 	struct drm_device *dev = rdev->ddev;
1765 	struct drm_connector *connector;
1766 	unsigned enabled = 0;
1767 	u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) |
1768 		DC_HPDx_RX_INT_TIMER(0xfa) | DC_HPDx_EN;
1769 
1770 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1771 		enum radeon_hpd_id hpd =
1772 			to_radeon_connector(connector)->hpd.hpd;
1773 
1774 		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
1775 		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
1776 			/* don't try to enable hpd on eDP or LVDS avoid breaking the
1777 			 * aux dp channel on imac and help (but not completely fix)
1778 			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
1779 			 * also avoid interrupt storms during dpms.
1780 			 */
1781 			continue;
1782 		}
1783 
1784 		if (hpd == RADEON_HPD_NONE)
1785 			continue;
1786 
1787 		WREG32(DC_HPDx_CONTROL(hpd), tmp);
1788 		enabled |= 1 << hpd;
1789 
1790 		radeon_hpd_set_polarity(rdev, hpd);
1791 	}
1792 	radeon_irq_kms_enable_hpd(rdev, enabled);
1793 }
1794 
1795 /**
1796  * evergreen_hpd_fini - hpd tear down callback.
1797  *
1798  * @rdev: radeon_device pointer
1799  *
1800  * Tear down the hpd pins used by the card (evergreen+).
1801  * Disable the hpd interrupts.
1802  */
1803 void evergreen_hpd_fini(struct radeon_device *rdev)
1804 {
1805 	struct drm_device *dev = rdev->ddev;
1806 	struct drm_connector *connector;
1807 	unsigned disabled = 0;
1808 
1809 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1810 		enum radeon_hpd_id hpd =
1811 			to_radeon_connector(connector)->hpd.hpd;
1812 
1813 		if (hpd == RADEON_HPD_NONE)
1814 			continue;
1815 
1816 		WREG32(DC_HPDx_CONTROL(hpd), 0);
1817 		disabled |= 1 << hpd;
1818 	}
1819 	radeon_irq_kms_disable_hpd(rdev, disabled);
1820 }
1821 
1822 /* watermark setup */
1823 
1824 static u32 evergreen_line_buffer_adjust(struct radeon_device *rdev,
1825 					struct radeon_crtc *radeon_crtc,
1826 					struct drm_display_mode *mode,
1827 					struct drm_display_mode *other_mode)
1828 {
1829 	u32 tmp, buffer_alloc, i;
1830 	u32 pipe_offset = radeon_crtc->crtc_id * 0x20;
1831 	/*
1832 	 * Line Buffer Setup
1833 	 * There are 3 line buffers, each one shared by 2 display controllers.
1834 	 * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1835 	 * the display controllers.  The paritioning is done via one of four
1836 	 * preset allocations specified in bits 2:0:
1837 	 * first display controller
1838 	 *  0 - first half of lb (3840 * 2)
1839 	 *  1 - first 3/4 of lb (5760 * 2)
1840 	 *  2 - whole lb (7680 * 2), other crtc must be disabled
1841 	 *  3 - first 1/4 of lb (1920 * 2)
1842 	 * second display controller
1843 	 *  4 - second half of lb (3840 * 2)
1844 	 *  5 - second 3/4 of lb (5760 * 2)
1845 	 *  6 - whole lb (7680 * 2), other crtc must be disabled
1846 	 *  7 - last 1/4 of lb (1920 * 2)
1847 	 */
1848 	/* this can get tricky if we have two large displays on a paired group
1849 	 * of crtcs.  Ideally for multiple large displays we'd assign them to
1850 	 * non-linked crtcs for maximum line buffer allocation.
1851 	 */
1852 	if (radeon_crtc->base.enabled && mode) {
1853 		if (other_mode) {
1854 			tmp = 0; /* 1/2 */
1855 			buffer_alloc = 1;
1856 		} else {
1857 			tmp = 2; /* whole */
1858 			buffer_alloc = 2;
1859 		}
1860 	} else {
1861 		tmp = 0;
1862 		buffer_alloc = 0;
1863 	}
1864 
1865 	/* second controller of the pair uses second half of the lb */
1866 	if (radeon_crtc->crtc_id % 2)
1867 		tmp += 4;
1868 	WREG32(DC_LB_MEMORY_SPLIT + radeon_crtc->crtc_offset, tmp);
1869 
1870 	if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
1871 		WREG32(PIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1872 		       DMIF_BUFFERS_ALLOCATED(buffer_alloc));
1873 		for (i = 0; i < rdev->usec_timeout; i++) {
1874 			if (RREG32(PIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1875 			    DMIF_BUFFERS_ALLOCATED_COMPLETED)
1876 				break;
1877 			udelay(1);
1878 		}
1879 	}
1880 
1881 	if (radeon_crtc->base.enabled && mode) {
1882 		switch (tmp) {
1883 		case 0:
1884 		case 4:
1885 		default:
1886 			if (ASIC_IS_DCE5(rdev))
1887 				return 4096 * 2;
1888 			else
1889 				return 3840 * 2;
1890 		case 1:
1891 		case 5:
1892 			if (ASIC_IS_DCE5(rdev))
1893 				return 6144 * 2;
1894 			else
1895 				return 5760 * 2;
1896 		case 2:
1897 		case 6:
1898 			if (ASIC_IS_DCE5(rdev))
1899 				return 8192 * 2;
1900 			else
1901 				return 7680 * 2;
1902 		case 3:
1903 		case 7:
1904 			if (ASIC_IS_DCE5(rdev))
1905 				return 2048 * 2;
1906 			else
1907 				return 1920 * 2;
1908 		}
1909 	}
1910 
1911 	/* controller not enabled, so no lb used */
1912 	return 0;
1913 }
1914 
1915 u32 evergreen_get_number_of_dram_channels(struct radeon_device *rdev)
1916 {
1917 	u32 tmp = RREG32(MC_SHARED_CHMAP);
1918 
1919 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1920 	case 0:
1921 	default:
1922 		return 1;
1923 	case 1:
1924 		return 2;
1925 	case 2:
1926 		return 4;
1927 	case 3:
1928 		return 8;
1929 	}
1930 }
1931 
1932 struct evergreen_wm_params {
1933 	u32 dram_channels; /* number of dram channels */
1934 	u32 yclk;          /* bandwidth per dram data pin in kHz */
1935 	u32 sclk;          /* engine clock in kHz */
1936 	u32 disp_clk;      /* display clock in kHz */
1937 	u32 src_width;     /* viewport width */
1938 	u32 active_time;   /* active display time in ns */
1939 	u32 blank_time;    /* blank time in ns */
1940 	bool interlaced;    /* mode is interlaced */
1941 	fixed20_12 vsc;    /* vertical scale ratio */
1942 	u32 num_heads;     /* number of active crtcs */
1943 	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
1944 	u32 lb_size;       /* line buffer allocated to pipe */
1945 	u32 vtaps;         /* vertical scaler taps */
1946 };
1947 
1948 static u32 evergreen_dram_bandwidth(struct evergreen_wm_params *wm)
1949 {
1950 	/* Calculate DRAM Bandwidth and the part allocated to display. */
1951 	fixed20_12 dram_efficiency; /* 0.7 */
1952 	fixed20_12 yclk, dram_channels, bandwidth;
1953 	fixed20_12 a;
1954 
1955 	a.full = dfixed_const(1000);
1956 	yclk.full = dfixed_const(wm->yclk);
1957 	yclk.full = dfixed_div(yclk, a);
1958 	dram_channels.full = dfixed_const(wm->dram_channels * 4);
1959 	a.full = dfixed_const(10);
1960 	dram_efficiency.full = dfixed_const(7);
1961 	dram_efficiency.full = dfixed_div(dram_efficiency, a);
1962 	bandwidth.full = dfixed_mul(dram_channels, yclk);
1963 	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
1964 
1965 	return dfixed_trunc(bandwidth);
1966 }
1967 
1968 static u32 evergreen_dram_bandwidth_for_display(struct evergreen_wm_params *wm)
1969 {
1970 	/* Calculate DRAM Bandwidth and the part allocated to display. */
1971 	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
1972 	fixed20_12 yclk, dram_channels, bandwidth;
1973 	fixed20_12 a;
1974 
1975 	a.full = dfixed_const(1000);
1976 	yclk.full = dfixed_const(wm->yclk);
1977 	yclk.full = dfixed_div(yclk, a);
1978 	dram_channels.full = dfixed_const(wm->dram_channels * 4);
1979 	a.full = dfixed_const(10);
1980 	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
1981 	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
1982 	bandwidth.full = dfixed_mul(dram_channels, yclk);
1983 	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
1984 
1985 	return dfixed_trunc(bandwidth);
1986 }
1987 
1988 static u32 evergreen_data_return_bandwidth(struct evergreen_wm_params *wm)
1989 {
1990 	/* Calculate the display Data return Bandwidth */
1991 	fixed20_12 return_efficiency; /* 0.8 */
1992 	fixed20_12 sclk, bandwidth;
1993 	fixed20_12 a;
1994 
1995 	a.full = dfixed_const(1000);
1996 	sclk.full = dfixed_const(wm->sclk);
1997 	sclk.full = dfixed_div(sclk, a);
1998 	a.full = dfixed_const(10);
1999 	return_efficiency.full = dfixed_const(8);
2000 	return_efficiency.full = dfixed_div(return_efficiency, a);
2001 	a.full = dfixed_const(32);
2002 	bandwidth.full = dfixed_mul(a, sclk);
2003 	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
2004 
2005 	return dfixed_trunc(bandwidth);
2006 }
2007 
2008 static u32 evergreen_dmif_request_bandwidth(struct evergreen_wm_params *wm)
2009 {
2010 	/* Calculate the DMIF Request Bandwidth */
2011 	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
2012 	fixed20_12 disp_clk, bandwidth;
2013 	fixed20_12 a;
2014 
2015 	a.full = dfixed_const(1000);
2016 	disp_clk.full = dfixed_const(wm->disp_clk);
2017 	disp_clk.full = dfixed_div(disp_clk, a);
2018 	a.full = dfixed_const(10);
2019 	disp_clk_request_efficiency.full = dfixed_const(8);
2020 	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
2021 	a.full = dfixed_const(32);
2022 	bandwidth.full = dfixed_mul(a, disp_clk);
2023 	bandwidth.full = dfixed_mul(bandwidth, disp_clk_request_efficiency);
2024 
2025 	return dfixed_trunc(bandwidth);
2026 }
2027 
2028 static u32 evergreen_available_bandwidth(struct evergreen_wm_params *wm)
2029 {
2030 	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
2031 	u32 dram_bandwidth = evergreen_dram_bandwidth(wm);
2032 	u32 data_return_bandwidth = evergreen_data_return_bandwidth(wm);
2033 	u32 dmif_req_bandwidth = evergreen_dmif_request_bandwidth(wm);
2034 
2035 	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
2036 }
2037 
2038 static u32 evergreen_average_bandwidth(struct evergreen_wm_params *wm)
2039 {
2040 	/* Calculate the display mode Average Bandwidth
2041 	 * DisplayMode should contain the source and destination dimensions,
2042 	 * timing, etc.
2043 	 */
2044 	fixed20_12 bpp;
2045 	fixed20_12 line_time;
2046 	fixed20_12 src_width;
2047 	fixed20_12 bandwidth;
2048 	fixed20_12 a;
2049 
2050 	a.full = dfixed_const(1000);
2051 	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
2052 	line_time.full = dfixed_div(line_time, a);
2053 	bpp.full = dfixed_const(wm->bytes_per_pixel);
2054 	src_width.full = dfixed_const(wm->src_width);
2055 	bandwidth.full = dfixed_mul(src_width, bpp);
2056 	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
2057 	bandwidth.full = dfixed_div(bandwidth, line_time);
2058 
2059 	return dfixed_trunc(bandwidth);
2060 }
2061 
2062 static u32 evergreen_latency_watermark(struct evergreen_wm_params *wm)
2063 {
2064 	/* First calcualte the latency in ns */
2065 	u32 mc_latency = 2000; /* 2000 ns. */
2066 	u32 available_bandwidth = evergreen_available_bandwidth(wm);
2067 	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
2068 	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
2069 	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
2070 	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
2071 		(wm->num_heads * cursor_line_pair_return_time);
2072 	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
2073 	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
2074 	fixed20_12 a, b, c;
2075 
2076 	if (wm->num_heads == 0)
2077 		return 0;
2078 
2079 	a.full = dfixed_const(2);
2080 	b.full = dfixed_const(1);
2081 	if ((wm->vsc.full > a.full) ||
2082 	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
2083 	    (wm->vtaps >= 5) ||
2084 	    ((wm->vsc.full >= a.full) && wm->interlaced))
2085 		max_src_lines_per_dst_line = 4;
2086 	else
2087 		max_src_lines_per_dst_line = 2;
2088 
2089 	a.full = dfixed_const(available_bandwidth);
2090 	b.full = dfixed_const(wm->num_heads);
2091 	a.full = dfixed_div(a, b);
2092 
2093 	lb_fill_bw = min(dfixed_trunc(a), wm->disp_clk * wm->bytes_per_pixel / 1000);
2094 
2095 	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
2096 	b.full = dfixed_const(1000);
2097 	c.full = dfixed_const(lb_fill_bw);
2098 	b.full = dfixed_div(c, b);
2099 	a.full = dfixed_div(a, b);
2100 	line_fill_time = dfixed_trunc(a);
2101 
2102 	if (line_fill_time < wm->active_time)
2103 		return latency;
2104 	else
2105 		return latency + (line_fill_time - wm->active_time);
2106 
2107 }
2108 
2109 static bool evergreen_average_bandwidth_vs_dram_bandwidth_for_display(struct evergreen_wm_params *wm)
2110 {
2111 	if (evergreen_average_bandwidth(wm) <=
2112 	    (evergreen_dram_bandwidth_for_display(wm) / wm->num_heads))
2113 		return true;
2114 	else
2115 		return false;
2116 };
2117 
2118 static bool evergreen_average_bandwidth_vs_available_bandwidth(struct evergreen_wm_params *wm)
2119 {
2120 	if (evergreen_average_bandwidth(wm) <=
2121 	    (evergreen_available_bandwidth(wm) / wm->num_heads))
2122 		return true;
2123 	else
2124 		return false;
2125 };
2126 
2127 static bool evergreen_check_latency_hiding(struct evergreen_wm_params *wm)
2128 {
2129 	u32 lb_partitions = wm->lb_size / wm->src_width;
2130 	u32 line_time = wm->active_time + wm->blank_time;
2131 	u32 latency_tolerant_lines;
2132 	u32 latency_hiding;
2133 	fixed20_12 a;
2134 
2135 	a.full = dfixed_const(1);
2136 	if (wm->vsc.full > a.full)
2137 		latency_tolerant_lines = 1;
2138 	else {
2139 		if (lb_partitions <= (wm->vtaps + 1))
2140 			latency_tolerant_lines = 1;
2141 		else
2142 			latency_tolerant_lines = 2;
2143 	}
2144 
2145 	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
2146 
2147 	if (evergreen_latency_watermark(wm) <= latency_hiding)
2148 		return true;
2149 	else
2150 		return false;
2151 }
2152 
2153 static void evergreen_program_watermarks(struct radeon_device *rdev,
2154 					 struct radeon_crtc *radeon_crtc,
2155 					 u32 lb_size, u32 num_heads)
2156 {
2157 	struct drm_display_mode *mode = &radeon_crtc->base.mode;
2158 	struct evergreen_wm_params wm_low, wm_high;
2159 	u32 dram_channels;
2160 	u32 active_time;
2161 	u32 line_time = 0;
2162 	u32 latency_watermark_a = 0, latency_watermark_b = 0;
2163 	u32 priority_a_mark = 0, priority_b_mark = 0;
2164 	u32 priority_a_cnt = PRIORITY_OFF;
2165 	u32 priority_b_cnt = PRIORITY_OFF;
2166 	u32 pipe_offset = radeon_crtc->crtc_id * 16;
2167 	u32 tmp, arb_control3;
2168 	fixed20_12 a, b, c;
2169 
2170 	if (radeon_crtc->base.enabled && num_heads && mode) {
2171 		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
2172 					    (u32)mode->clock);
2173 		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
2174 					  (u32)mode->clock);
2175 		line_time = min(line_time, (u32)65535);
2176 		priority_a_cnt = 0;
2177 		priority_b_cnt = 0;
2178 		dram_channels = evergreen_get_number_of_dram_channels(rdev);
2179 
2180 		/* watermark for high clocks */
2181 		if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
2182 			wm_high.yclk =
2183 				radeon_dpm_get_mclk(rdev, false) * 10;
2184 			wm_high.sclk =
2185 				radeon_dpm_get_sclk(rdev, false) * 10;
2186 		} else {
2187 			wm_high.yclk = rdev->pm.current_mclk * 10;
2188 			wm_high.sclk = rdev->pm.current_sclk * 10;
2189 		}
2190 
2191 		wm_high.disp_clk = mode->clock;
2192 		wm_high.src_width = mode->crtc_hdisplay;
2193 		wm_high.active_time = active_time;
2194 		wm_high.blank_time = line_time - wm_high.active_time;
2195 		wm_high.interlaced = false;
2196 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2197 			wm_high.interlaced = true;
2198 		wm_high.vsc = radeon_crtc->vsc;
2199 		wm_high.vtaps = 1;
2200 		if (radeon_crtc->rmx_type != RMX_OFF)
2201 			wm_high.vtaps = 2;
2202 		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
2203 		wm_high.lb_size = lb_size;
2204 		wm_high.dram_channels = dram_channels;
2205 		wm_high.num_heads = num_heads;
2206 
2207 		/* watermark for low clocks */
2208 		if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
2209 			wm_low.yclk =
2210 				radeon_dpm_get_mclk(rdev, true) * 10;
2211 			wm_low.sclk =
2212 				radeon_dpm_get_sclk(rdev, true) * 10;
2213 		} else {
2214 			wm_low.yclk = rdev->pm.current_mclk * 10;
2215 			wm_low.sclk = rdev->pm.current_sclk * 10;
2216 		}
2217 
2218 		wm_low.disp_clk = mode->clock;
2219 		wm_low.src_width = mode->crtc_hdisplay;
2220 		wm_low.active_time = active_time;
2221 		wm_low.blank_time = line_time - wm_low.active_time;
2222 		wm_low.interlaced = false;
2223 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2224 			wm_low.interlaced = true;
2225 		wm_low.vsc = radeon_crtc->vsc;
2226 		wm_low.vtaps = 1;
2227 		if (radeon_crtc->rmx_type != RMX_OFF)
2228 			wm_low.vtaps = 2;
2229 		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
2230 		wm_low.lb_size = lb_size;
2231 		wm_low.dram_channels = dram_channels;
2232 		wm_low.num_heads = num_heads;
2233 
2234 		/* set for high clocks */
2235 		latency_watermark_a = min(evergreen_latency_watermark(&wm_high), (u32)65535);
2236 		/* set for low clocks */
2237 		latency_watermark_b = min(evergreen_latency_watermark(&wm_low), (u32)65535);
2238 
2239 		/* possibly force display priority to high */
2240 		/* should really do this at mode validation time... */
2241 		if (!evergreen_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
2242 		    !evergreen_average_bandwidth_vs_available_bandwidth(&wm_high) ||
2243 		    !evergreen_check_latency_hiding(&wm_high) ||
2244 		    (rdev->disp_priority == 2)) {
2245 			DRM_DEBUG_KMS("force priority a to high\n");
2246 			priority_a_cnt |= PRIORITY_ALWAYS_ON;
2247 		}
2248 		if (!evergreen_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
2249 		    !evergreen_average_bandwidth_vs_available_bandwidth(&wm_low) ||
2250 		    !evergreen_check_latency_hiding(&wm_low) ||
2251 		    (rdev->disp_priority == 2)) {
2252 			DRM_DEBUG_KMS("force priority b to high\n");
2253 			priority_b_cnt |= PRIORITY_ALWAYS_ON;
2254 		}
2255 
2256 		a.full = dfixed_const(1000);
2257 		b.full = dfixed_const(mode->clock);
2258 		b.full = dfixed_div(b, a);
2259 		c.full = dfixed_const(latency_watermark_a);
2260 		c.full = dfixed_mul(c, b);
2261 		c.full = dfixed_mul(c, radeon_crtc->hsc);
2262 		c.full = dfixed_div(c, a);
2263 		a.full = dfixed_const(16);
2264 		c.full = dfixed_div(c, a);
2265 		priority_a_mark = dfixed_trunc(c);
2266 		priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
2267 
2268 		a.full = dfixed_const(1000);
2269 		b.full = dfixed_const(mode->clock);
2270 		b.full = dfixed_div(b, a);
2271 		c.full = dfixed_const(latency_watermark_b);
2272 		c.full = dfixed_mul(c, b);
2273 		c.full = dfixed_mul(c, radeon_crtc->hsc);
2274 		c.full = dfixed_div(c, a);
2275 		a.full = dfixed_const(16);
2276 		c.full = dfixed_div(c, a);
2277 		priority_b_mark = dfixed_trunc(c);
2278 		priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
2279 
2280 		/* Save number of lines the linebuffer leads before the scanout */
2281 		radeon_crtc->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
2282 	}
2283 
2284 	/* select wm A */
2285 	arb_control3 = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset);
2286 	tmp = arb_control3;
2287 	tmp &= ~LATENCY_WATERMARK_MASK(3);
2288 	tmp |= LATENCY_WATERMARK_MASK(1);
2289 	WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp);
2290 	WREG32(PIPE0_LATENCY_CONTROL + pipe_offset,
2291 	       (LATENCY_LOW_WATERMARK(latency_watermark_a) |
2292 		LATENCY_HIGH_WATERMARK(line_time)));
2293 	/* select wm B */
2294 	tmp = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset);
2295 	tmp &= ~LATENCY_WATERMARK_MASK(3);
2296 	tmp |= LATENCY_WATERMARK_MASK(2);
2297 	WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp);
2298 	WREG32(PIPE0_LATENCY_CONTROL + pipe_offset,
2299 	       (LATENCY_LOW_WATERMARK(latency_watermark_b) |
2300 		LATENCY_HIGH_WATERMARK(line_time)));
2301 	/* restore original selection */
2302 	WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, arb_control3);
2303 
2304 	/* write the priority marks */
2305 	WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt);
2306 	WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt);
2307 
2308 	/* save values for DPM */
2309 	radeon_crtc->line_time = line_time;
2310 	radeon_crtc->wm_high = latency_watermark_a;
2311 	radeon_crtc->wm_low = latency_watermark_b;
2312 }
2313 
2314 /**
2315  * evergreen_bandwidth_update - update display watermarks callback.
2316  *
2317  * @rdev: radeon_device pointer
2318  *
2319  * Update the display watermarks based on the requested mode(s)
2320  * (evergreen+).
2321  */
2322 void evergreen_bandwidth_update(struct radeon_device *rdev)
2323 {
2324 	struct drm_display_mode *mode0 = NULL;
2325 	struct drm_display_mode *mode1 = NULL;
2326 	u32 num_heads = 0, lb_size;
2327 	int i;
2328 
2329 	if (!rdev->mode_info.mode_config_initialized)
2330 		return;
2331 
2332 	radeon_update_display_priority(rdev);
2333 
2334 	for (i = 0; i < rdev->num_crtc; i++) {
2335 		if (rdev->mode_info.crtcs[i]->base.enabled)
2336 			num_heads++;
2337 	}
2338 	for (i = 0; i < rdev->num_crtc; i += 2) {
2339 		mode0 = &rdev->mode_info.crtcs[i]->base.mode;
2340 		mode1 = &rdev->mode_info.crtcs[i+1]->base.mode;
2341 		lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i], mode0, mode1);
2342 		evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i], lb_size, num_heads);
2343 		lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i+1], mode1, mode0);
2344 		evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i+1], lb_size, num_heads);
2345 	}
2346 }
2347 
2348 /**
2349  * evergreen_mc_wait_for_idle - wait for MC idle callback.
2350  *
2351  * @rdev: radeon_device pointer
2352  *
2353  * Wait for the MC (memory controller) to be idle.
2354  * (evergreen+).
2355  * Returns 0 if the MC is idle, -1 if not.
2356  */
2357 int evergreen_mc_wait_for_idle(struct radeon_device *rdev)
2358 {
2359 	unsigned i;
2360 	u32 tmp;
2361 
2362 	for (i = 0; i < rdev->usec_timeout; i++) {
2363 		/* read MC_STATUS */
2364 		tmp = RREG32(SRBM_STATUS) & 0x1F00;
2365 		if (!tmp)
2366 			return 0;
2367 		udelay(1);
2368 	}
2369 	return -1;
2370 }
2371 
2372 /*
2373  * GART
2374  */
2375 void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev)
2376 {
2377 	unsigned i;
2378 	u32 tmp;
2379 
2380 	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
2381 
2382 	WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
2383 	for (i = 0; i < rdev->usec_timeout; i++) {
2384 		/* read MC_STATUS */
2385 		tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
2386 		tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
2387 		if (tmp == 2) {
2388 			pr_warn("[drm] r600 flush TLB failed\n");
2389 			return;
2390 		}
2391 		if (tmp) {
2392 			return;
2393 		}
2394 		udelay(1);
2395 	}
2396 }
2397 
2398 static int evergreen_pcie_gart_enable(struct radeon_device *rdev)
2399 {
2400 	u32 tmp;
2401 	int r;
2402 
2403 	if (rdev->gart.robj == NULL) {
2404 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
2405 		return -EINVAL;
2406 	}
2407 	r = radeon_gart_table_vram_pin(rdev);
2408 	if (r)
2409 		return r;
2410 	/* Setup L2 cache */
2411 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
2412 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
2413 				EFFECTIVE_L2_QUEUE_SIZE(7));
2414 	WREG32(VM_L2_CNTL2, 0);
2415 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
2416 	/* Setup TLB control */
2417 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
2418 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
2419 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
2420 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
2421 	if (rdev->flags & RADEON_IS_IGP) {
2422 		WREG32(FUS_MC_VM_MD_L1_TLB0_CNTL, tmp);
2423 		WREG32(FUS_MC_VM_MD_L1_TLB1_CNTL, tmp);
2424 		WREG32(FUS_MC_VM_MD_L1_TLB2_CNTL, tmp);
2425 	} else {
2426 		WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
2427 		WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
2428 		WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
2429 		if ((rdev->family == CHIP_JUNIPER) ||
2430 		    (rdev->family == CHIP_CYPRESS) ||
2431 		    (rdev->family == CHIP_HEMLOCK) ||
2432 		    (rdev->family == CHIP_BARTS))
2433 			WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp);
2434 	}
2435 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
2436 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
2437 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
2438 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
2439 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
2440 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
2441 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
2442 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
2443 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
2444 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
2445 			(u32)(rdev->dummy_page.addr >> 12));
2446 	WREG32(VM_CONTEXT1_CNTL, 0);
2447 
2448 	evergreen_pcie_gart_tlb_flush(rdev);
2449 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
2450 		 (unsigned)(rdev->mc.gtt_size >> 20),
2451 		 (unsigned long long)rdev->gart.table_addr);
2452 	rdev->gart.ready = true;
2453 	return 0;
2454 }
2455 
2456 static void evergreen_pcie_gart_disable(struct radeon_device *rdev)
2457 {
2458 	u32 tmp;
2459 
2460 	/* Disable all tables */
2461 	WREG32(VM_CONTEXT0_CNTL, 0);
2462 	WREG32(VM_CONTEXT1_CNTL, 0);
2463 
2464 	/* Setup L2 cache */
2465 	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
2466 				EFFECTIVE_L2_QUEUE_SIZE(7));
2467 	WREG32(VM_L2_CNTL2, 0);
2468 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
2469 	/* Setup TLB control */
2470 	tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
2471 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
2472 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
2473 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
2474 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
2475 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
2476 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
2477 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
2478 	radeon_gart_table_vram_unpin(rdev);
2479 }
2480 
2481 static void evergreen_pcie_gart_fini(struct radeon_device *rdev)
2482 {
2483 	evergreen_pcie_gart_disable(rdev);
2484 	radeon_gart_table_vram_free(rdev);
2485 	radeon_gart_fini(rdev);
2486 }
2487 
2488 
2489 static void evergreen_agp_enable(struct radeon_device *rdev)
2490 {
2491 	u32 tmp;
2492 
2493 	/* Setup L2 cache */
2494 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
2495 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
2496 				EFFECTIVE_L2_QUEUE_SIZE(7));
2497 	WREG32(VM_L2_CNTL2, 0);
2498 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
2499 	/* Setup TLB control */
2500 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
2501 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
2502 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
2503 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
2504 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
2505 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
2506 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
2507 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
2508 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
2509 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
2510 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
2511 	WREG32(VM_CONTEXT0_CNTL, 0);
2512 	WREG32(VM_CONTEXT1_CNTL, 0);
2513 }
2514 
2515 static const unsigned ni_dig_offsets[] =
2516 {
2517 	NI_DIG0_REGISTER_OFFSET,
2518 	NI_DIG1_REGISTER_OFFSET,
2519 	NI_DIG2_REGISTER_OFFSET,
2520 	NI_DIG3_REGISTER_OFFSET,
2521 	NI_DIG4_REGISTER_OFFSET,
2522 	NI_DIG5_REGISTER_OFFSET
2523 };
2524 
2525 static const unsigned ni_tx_offsets[] =
2526 {
2527 	NI_DCIO_UNIPHY0_UNIPHY_TX_CONTROL1,
2528 	NI_DCIO_UNIPHY1_UNIPHY_TX_CONTROL1,
2529 	NI_DCIO_UNIPHY2_UNIPHY_TX_CONTROL1,
2530 	NI_DCIO_UNIPHY3_UNIPHY_TX_CONTROL1,
2531 	NI_DCIO_UNIPHY4_UNIPHY_TX_CONTROL1,
2532 	NI_DCIO_UNIPHY5_UNIPHY_TX_CONTROL1
2533 };
2534 
2535 static const unsigned evergreen_dp_offsets[] =
2536 {
2537 	EVERGREEN_DP0_REGISTER_OFFSET,
2538 	EVERGREEN_DP1_REGISTER_OFFSET,
2539 	EVERGREEN_DP2_REGISTER_OFFSET,
2540 	EVERGREEN_DP3_REGISTER_OFFSET,
2541 	EVERGREEN_DP4_REGISTER_OFFSET,
2542 	EVERGREEN_DP5_REGISTER_OFFSET
2543 };
2544 
2545 static const unsigned evergreen_disp_int_status[] =
2546 {
2547 	DISP_INTERRUPT_STATUS,
2548 	DISP_INTERRUPT_STATUS_CONTINUE,
2549 	DISP_INTERRUPT_STATUS_CONTINUE2,
2550 	DISP_INTERRUPT_STATUS_CONTINUE3,
2551 	DISP_INTERRUPT_STATUS_CONTINUE4,
2552 	DISP_INTERRUPT_STATUS_CONTINUE5
2553 };
2554 
2555 /*
2556  * Assumption is that EVERGREEN_CRTC_MASTER_EN enable for requested crtc
2557  * We go from crtc to connector and it is not relible  since it
2558  * should be an opposite direction .If crtc is enable then
2559  * find the dig_fe which selects this crtc and insure that it enable.
2560  * if such dig_fe is found then find dig_be which selects found dig_be and
2561  * insure that it enable and in DP_SST mode.
2562  * if UNIPHY_PLL_CONTROL1.enable then we should disconnect timing
2563  * from dp symbols clocks .
2564  */
2565 static bool evergreen_is_dp_sst_stream_enabled(struct radeon_device *rdev,
2566 					       unsigned crtc_id, unsigned *ret_dig_fe)
2567 {
2568 	unsigned i;
2569 	unsigned dig_fe;
2570 	unsigned dig_be;
2571 	unsigned dig_en_be;
2572 	unsigned uniphy_pll;
2573 	unsigned digs_fe_selected;
2574 	unsigned dig_be_mode;
2575 	unsigned dig_fe_mask;
2576 	bool is_enabled = false;
2577 	bool found_crtc = false;
2578 
2579 	/* loop through all running dig_fe to find selected crtc */
2580 	for (i = 0; i < ARRAY_SIZE(ni_dig_offsets); i++) {
2581 		dig_fe = RREG32(NI_DIG_FE_CNTL + ni_dig_offsets[i]);
2582 		if (dig_fe & NI_DIG_FE_CNTL_SYMCLK_FE_ON &&
2583 		    crtc_id == NI_DIG_FE_CNTL_SOURCE_SELECT(dig_fe)) {
2584 			/* found running pipe */
2585 			found_crtc = true;
2586 			dig_fe_mask = 1 << i;
2587 			dig_fe = i;
2588 			break;
2589 		}
2590 	}
2591 
2592 	if (found_crtc) {
2593 		/* loop through all running dig_be to find selected dig_fe */
2594 		for (i = 0; i < ARRAY_SIZE(ni_dig_offsets); i++) {
2595 			dig_be = RREG32(NI_DIG_BE_CNTL + ni_dig_offsets[i]);
2596 			/* if dig_fe_selected by dig_be? */
2597 			digs_fe_selected = NI_DIG_BE_CNTL_FE_SOURCE_SELECT(dig_be);
2598 			dig_be_mode = NI_DIG_FE_CNTL_MODE(dig_be);
2599 			if (dig_fe_mask &  digs_fe_selected &&
2600 			    /* if dig_be in sst mode? */
2601 			    dig_be_mode == NI_DIG_BE_DPSST) {
2602 				dig_en_be = RREG32(NI_DIG_BE_EN_CNTL +
2603 						   ni_dig_offsets[i]);
2604 				uniphy_pll = RREG32(NI_DCIO_UNIPHY0_PLL_CONTROL1 +
2605 						    ni_tx_offsets[i]);
2606 				/* dig_be enable and tx is running */
2607 				if (dig_en_be & NI_DIG_BE_EN_CNTL_ENABLE &&
2608 				    dig_en_be & NI_DIG_BE_EN_CNTL_SYMBCLK_ON &&
2609 				    uniphy_pll & NI_DCIO_UNIPHY0_PLL_CONTROL1_ENABLE) {
2610 					is_enabled = true;
2611 					*ret_dig_fe = dig_fe;
2612 					break;
2613 				}
2614 			}
2615 		}
2616 	}
2617 
2618 	return is_enabled;
2619 }
2620 
2621 /*
2622  * Blank dig when in dp sst mode
2623  * Dig ignores crtc timing
2624  */
2625 static void evergreen_blank_dp_output(struct radeon_device *rdev,
2626 				      unsigned dig_fe)
2627 {
2628 	unsigned stream_ctrl;
2629 	unsigned fifo_ctrl;
2630 	unsigned counter = 0;
2631 
2632 	if (dig_fe >= ARRAY_SIZE(evergreen_dp_offsets)) {
2633 		DRM_ERROR("invalid dig_fe %d\n", dig_fe);
2634 		return;
2635 	}
2636 
2637 	stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
2638 			     evergreen_dp_offsets[dig_fe]);
2639 	if (!(stream_ctrl & EVERGREEN_DP_VID_STREAM_CNTL_ENABLE)) {
2640 		DRM_ERROR("dig %d , should be enable\n", dig_fe);
2641 		return;
2642 	}
2643 
2644 	stream_ctrl &=~EVERGREEN_DP_VID_STREAM_CNTL_ENABLE;
2645 	WREG32(EVERGREEN_DP_VID_STREAM_CNTL +
2646 	       evergreen_dp_offsets[dig_fe], stream_ctrl);
2647 
2648 	stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
2649 			     evergreen_dp_offsets[dig_fe]);
2650 	while (counter < 32 && stream_ctrl & EVERGREEN_DP_VID_STREAM_STATUS) {
2651 		msleep(1);
2652 		counter++;
2653 		stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
2654 				     evergreen_dp_offsets[dig_fe]);
2655 	}
2656 	if (counter >= 32 )
2657 		DRM_ERROR("counter exceeds %d\n", counter);
2658 
2659 	fifo_ctrl = RREG32(EVERGREEN_DP_STEER_FIFO + evergreen_dp_offsets[dig_fe]);
2660 	fifo_ctrl |= EVERGREEN_DP_STEER_FIFO_RESET;
2661 	WREG32(EVERGREEN_DP_STEER_FIFO + evergreen_dp_offsets[dig_fe], fifo_ctrl);
2662 
2663 }
2664 
2665 void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
2666 {
2667 	u32 crtc_enabled, tmp, frame_count, blackout;
2668 	int i, j;
2669 	unsigned dig_fe;
2670 
2671 	if (!ASIC_IS_NODCE(rdev)) {
2672 		save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
2673 		save->vga_hdp_control = RREG32(VGA_HDP_CONTROL);
2674 
2675 		/* disable VGA render */
2676 		WREG32(VGA_RENDER_CONTROL, 0);
2677 	}
2678 	/* blank the display controllers */
2679 	for (i = 0; i < rdev->num_crtc; i++) {
2680 		crtc_enabled = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]) & EVERGREEN_CRTC_MASTER_EN;
2681 		if (crtc_enabled) {
2682 			save->crtc_enabled[i] = true;
2683 			if (ASIC_IS_DCE6(rdev)) {
2684 				tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
2685 				if (!(tmp & EVERGREEN_CRTC_BLANK_DATA_EN)) {
2686 					radeon_wait_for_vblank(rdev, i);
2687 					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2688 					tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
2689 					WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
2690 					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2691 				}
2692 			} else {
2693 				tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
2694 				if (!(tmp & EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE)) {
2695 					radeon_wait_for_vblank(rdev, i);
2696 					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2697 					tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
2698 					WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
2699 					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2700 				}
2701 			}
2702 			/* wait for the next frame */
2703 			frame_count = radeon_get_vblank_counter(rdev, i);
2704 			for (j = 0; j < rdev->usec_timeout; j++) {
2705 				if (radeon_get_vblank_counter(rdev, i) != frame_count)
2706 					break;
2707 				udelay(1);
2708 			}
2709 			/*we should disable dig if it drives dp sst*/
2710 			/*but we are in radeon_device_init and the topology is unknown*/
2711 			/*and it is available after radeon_modeset_init*/
2712 			/*the following method radeon_atom_encoder_dpms_dig*/
2713 			/*does the job if we initialize it properly*/
2714 			/*for now we do it this manually*/
2715 			/**/
2716 			if (ASIC_IS_DCE5(rdev) &&
2717 			    evergreen_is_dp_sst_stream_enabled(rdev, i ,&dig_fe))
2718 				evergreen_blank_dp_output(rdev, dig_fe);
2719 			/*we could remove 6 lines below*/
2720 			/* XXX this is a hack to avoid strange behavior with EFI on certain systems */
2721 			WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2722 			tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
2723 			tmp &= ~EVERGREEN_CRTC_MASTER_EN;
2724 			WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
2725 			WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2726 			save->crtc_enabled[i] = false;
2727 			/* ***** */
2728 		} else {
2729 			save->crtc_enabled[i] = false;
2730 		}
2731 	}
2732 
2733 	radeon_mc_wait_for_idle(rdev);
2734 
2735 	blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
2736 	if ((blackout & BLACKOUT_MODE_MASK) != 1) {
2737 		/* Block CPU access */
2738 		WREG32(BIF_FB_EN, 0);
2739 		/* blackout the MC */
2740 		blackout &= ~BLACKOUT_MODE_MASK;
2741 		WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1);
2742 	}
2743 	/* wait for the MC to settle */
2744 	udelay(100);
2745 
2746 	/* lock double buffered regs */
2747 	for (i = 0; i < rdev->num_crtc; i++) {
2748 		if (save->crtc_enabled[i]) {
2749 			tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]);
2750 			if (!(tmp & EVERGREEN_GRPH_UPDATE_LOCK)) {
2751 				tmp |= EVERGREEN_GRPH_UPDATE_LOCK;
2752 				WREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i], tmp);
2753 			}
2754 			tmp = RREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i]);
2755 			if (!(tmp & 1)) {
2756 				tmp |= 1;
2757 				WREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
2758 			}
2759 		}
2760 	}
2761 }
2762 
2763 void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
2764 {
2765 	u32 tmp, frame_count;
2766 	int i, j;
2767 
2768 	/* update crtc base addresses */
2769 	for (i = 0; i < rdev->num_crtc; i++) {
2770 		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
2771 		       upper_32_bits(rdev->mc.vram_start));
2772 		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
2773 		       upper_32_bits(rdev->mc.vram_start));
2774 		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
2775 		       (u32)rdev->mc.vram_start);
2776 		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
2777 		       (u32)rdev->mc.vram_start);
2778 	}
2779 
2780 	if (!ASIC_IS_NODCE(rdev)) {
2781 		WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
2782 		WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
2783 	}
2784 
2785 	/* unlock regs and wait for update */
2786 	for (i = 0; i < rdev->num_crtc; i++) {
2787 		if (save->crtc_enabled[i]) {
2788 			tmp = RREG32(EVERGREEN_MASTER_UPDATE_MODE + crtc_offsets[i]);
2789 			if ((tmp & 0x7) != 0) {
2790 				tmp &= ~0x7;
2791 				WREG32(EVERGREEN_MASTER_UPDATE_MODE + crtc_offsets[i], tmp);
2792 			}
2793 			tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]);
2794 			if (tmp & EVERGREEN_GRPH_UPDATE_LOCK) {
2795 				tmp &= ~EVERGREEN_GRPH_UPDATE_LOCK;
2796 				WREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i], tmp);
2797 			}
2798 			tmp = RREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i]);
2799 			if (tmp & 1) {
2800 				tmp &= ~1;
2801 				WREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
2802 			}
2803 			for (j = 0; j < rdev->usec_timeout; j++) {
2804 				tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]);
2805 				if ((tmp & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING) == 0)
2806 					break;
2807 				udelay(1);
2808 			}
2809 		}
2810 	}
2811 
2812 	/* unblackout the MC */
2813 	tmp = RREG32(MC_SHARED_BLACKOUT_CNTL);
2814 	tmp &= ~BLACKOUT_MODE_MASK;
2815 	WREG32(MC_SHARED_BLACKOUT_CNTL, tmp);
2816 	/* allow CPU access */
2817 	WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
2818 
2819 	for (i = 0; i < rdev->num_crtc; i++) {
2820 		if (save->crtc_enabled[i]) {
2821 			if (ASIC_IS_DCE6(rdev)) {
2822 				tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
2823 				tmp &= ~EVERGREEN_CRTC_BLANK_DATA_EN;
2824 				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2825 				WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
2826 				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2827 			} else {
2828 				tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
2829 				tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
2830 				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2831 				WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
2832 				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2833 			}
2834 			/* wait for the next frame */
2835 			frame_count = radeon_get_vblank_counter(rdev, i);
2836 			for (j = 0; j < rdev->usec_timeout; j++) {
2837 				if (radeon_get_vblank_counter(rdev, i) != frame_count)
2838 					break;
2839 				udelay(1);
2840 			}
2841 		}
2842 	}
2843 	if (!ASIC_IS_NODCE(rdev)) {
2844 		/* Unlock vga access */
2845 		WREG32(VGA_HDP_CONTROL, save->vga_hdp_control);
2846 		mdelay(1);
2847 		WREG32(VGA_RENDER_CONTROL, save->vga_render_control);
2848 	}
2849 }
2850 
2851 void evergreen_mc_program(struct radeon_device *rdev)
2852 {
2853 	struct evergreen_mc_save save;
2854 	u32 tmp;
2855 	int i, j;
2856 
2857 	/* Initialize HDP */
2858 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
2859 		WREG32((0x2c14 + j), 0x00000000);
2860 		WREG32((0x2c18 + j), 0x00000000);
2861 		WREG32((0x2c1c + j), 0x00000000);
2862 		WREG32((0x2c20 + j), 0x00000000);
2863 		WREG32((0x2c24 + j), 0x00000000);
2864 	}
2865 	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
2866 
2867 	evergreen_mc_stop(rdev, &save);
2868 	if (evergreen_mc_wait_for_idle(rdev)) {
2869 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
2870 	}
2871 	/* Lockout access through VGA aperture*/
2872 	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
2873 	/* Update configuration */
2874 	if (rdev->flags & RADEON_IS_AGP) {
2875 		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
2876 			/* VRAM before AGP */
2877 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
2878 				rdev->mc.vram_start >> 12);
2879 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
2880 				rdev->mc.gtt_end >> 12);
2881 		} else {
2882 			/* VRAM after AGP */
2883 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
2884 				rdev->mc.gtt_start >> 12);
2885 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
2886 				rdev->mc.vram_end >> 12);
2887 		}
2888 	} else {
2889 		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
2890 			rdev->mc.vram_start >> 12);
2891 		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
2892 			rdev->mc.vram_end >> 12);
2893 	}
2894 	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
2895 	/* llano/ontario only */
2896 	if ((rdev->family == CHIP_PALM) ||
2897 	    (rdev->family == CHIP_SUMO) ||
2898 	    (rdev->family == CHIP_SUMO2)) {
2899 		tmp = RREG32(MC_FUS_VM_FB_OFFSET) & 0x000FFFFF;
2900 		tmp |= ((rdev->mc.vram_end >> 20) & 0xF) << 24;
2901 		tmp |= ((rdev->mc.vram_start >> 20) & 0xF) << 20;
2902 		WREG32(MC_FUS_VM_FB_OFFSET, tmp);
2903 	}
2904 	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
2905 	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
2906 	WREG32(MC_VM_FB_LOCATION, tmp);
2907 	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
2908 	WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
2909 	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
2910 	if (rdev->flags & RADEON_IS_AGP) {
2911 		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
2912 		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
2913 		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
2914 	} else {
2915 		WREG32(MC_VM_AGP_BASE, 0);
2916 		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
2917 		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
2918 	}
2919 	if (evergreen_mc_wait_for_idle(rdev)) {
2920 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
2921 	}
2922 	evergreen_mc_resume(rdev, &save);
2923 	/* we need to own VRAM, so turn off the VGA renderer here
2924 	 * to stop it overwriting our objects */
2925 	rv515_vga_render_disable(rdev);
2926 }
2927 
2928 /*
2929  * CP.
2930  */
2931 void evergreen_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
2932 {
2933 	struct radeon_ring *ring = &rdev->ring[ib->ring];
2934 	u32 next_rptr;
2935 
2936 	/* set to DX10/11 mode */
2937 	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
2938 	radeon_ring_write(ring, 1);
2939 
2940 	if (ring->rptr_save_reg) {
2941 		next_rptr = ring->wptr + 3 + 4;
2942 		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2943 		radeon_ring_write(ring, ((ring->rptr_save_reg -
2944 					  PACKET3_SET_CONFIG_REG_START) >> 2));
2945 		radeon_ring_write(ring, next_rptr);
2946 	} else if (rdev->wb.enabled) {
2947 		next_rptr = ring->wptr + 5 + 4;
2948 		radeon_ring_write(ring, PACKET3(PACKET3_MEM_WRITE, 3));
2949 		radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
2950 		radeon_ring_write(ring, (upper_32_bits(ring->next_rptr_gpu_addr) & 0xff) | (1 << 18));
2951 		radeon_ring_write(ring, next_rptr);
2952 		radeon_ring_write(ring, 0);
2953 	}
2954 
2955 	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
2956 	radeon_ring_write(ring,
2957 #ifdef __BIG_ENDIAN
2958 			  (2 << 0) |
2959 #endif
2960 			  (ib->gpu_addr & 0xFFFFFFFC));
2961 	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
2962 	radeon_ring_write(ring, ib->length_dw);
2963 }
2964 
2965 
2966 static int evergreen_cp_load_microcode(struct radeon_device *rdev)
2967 {
2968 	const __be32 *fw_data;
2969 	int i;
2970 
2971 	if (!rdev->me_fw || !rdev->pfp_fw)
2972 		return -EINVAL;
2973 
2974 	r700_cp_stop(rdev);
2975 	WREG32(CP_RB_CNTL,
2976 #ifdef __BIG_ENDIAN
2977 	       BUF_SWAP_32BIT |
2978 #endif
2979 	       RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
2980 
2981 	fw_data = (const __be32 *)rdev->pfp_fw->data;
2982 	WREG32(CP_PFP_UCODE_ADDR, 0);
2983 	for (i = 0; i < EVERGREEN_PFP_UCODE_SIZE; i++)
2984 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
2985 	WREG32(CP_PFP_UCODE_ADDR, 0);
2986 
2987 	fw_data = (const __be32 *)rdev->me_fw->data;
2988 	WREG32(CP_ME_RAM_WADDR, 0);
2989 	for (i = 0; i < EVERGREEN_PM4_UCODE_SIZE; i++)
2990 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
2991 
2992 	WREG32(CP_PFP_UCODE_ADDR, 0);
2993 	WREG32(CP_ME_RAM_WADDR, 0);
2994 	WREG32(CP_ME_RAM_RADDR, 0);
2995 	return 0;
2996 }
2997 
2998 static int evergreen_cp_start(struct radeon_device *rdev)
2999 {
3000 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3001 	int r, i;
3002 	uint32_t cp_me;
3003 
3004 	r = radeon_ring_lock(rdev, ring, 7);
3005 	if (r) {
3006 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3007 		return r;
3008 	}
3009 	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
3010 	radeon_ring_write(ring, 0x1);
3011 	radeon_ring_write(ring, 0x0);
3012 	radeon_ring_write(ring, rdev->config.evergreen.max_hw_contexts - 1);
3013 	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
3014 	radeon_ring_write(ring, 0);
3015 	radeon_ring_write(ring, 0);
3016 	radeon_ring_unlock_commit(rdev, ring, false);
3017 
3018 	cp_me = 0xff;
3019 	WREG32(CP_ME_CNTL, cp_me);
3020 
3021 	r = radeon_ring_lock(rdev, ring, evergreen_default_size + 19);
3022 	if (r) {
3023 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3024 		return r;
3025 	}
3026 
3027 	/* setup clear context state */
3028 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
3029 	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
3030 
3031 	for (i = 0; i < evergreen_default_size; i++)
3032 		radeon_ring_write(ring, evergreen_default_state[i]);
3033 
3034 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
3035 	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
3036 
3037 	/* set clear context state */
3038 	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
3039 	radeon_ring_write(ring, 0);
3040 
3041 	/* SQ_VTX_BASE_VTX_LOC */
3042 	radeon_ring_write(ring, 0xc0026f00);
3043 	radeon_ring_write(ring, 0x00000000);
3044 	radeon_ring_write(ring, 0x00000000);
3045 	radeon_ring_write(ring, 0x00000000);
3046 
3047 	/* Clear consts */
3048 	radeon_ring_write(ring, 0xc0036f00);
3049 	radeon_ring_write(ring, 0x00000bc4);
3050 	radeon_ring_write(ring, 0xffffffff);
3051 	radeon_ring_write(ring, 0xffffffff);
3052 	radeon_ring_write(ring, 0xffffffff);
3053 
3054 	radeon_ring_write(ring, 0xc0026900);
3055 	radeon_ring_write(ring, 0x00000316);
3056 	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
3057 	radeon_ring_write(ring, 0x00000010); /*  */
3058 
3059 	radeon_ring_unlock_commit(rdev, ring, false);
3060 
3061 	return 0;
3062 }
3063 
3064 static int evergreen_cp_resume(struct radeon_device *rdev)
3065 {
3066 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3067 	u32 tmp;
3068 	u32 rb_bufsz;
3069 	int r;
3070 
3071 	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
3072 	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
3073 				 SOFT_RESET_PA |
3074 				 SOFT_RESET_SH |
3075 				 SOFT_RESET_VGT |
3076 				 SOFT_RESET_SPI |
3077 				 SOFT_RESET_SX));
3078 	RREG32(GRBM_SOFT_RESET);
3079 	mdelay(15);
3080 	WREG32(GRBM_SOFT_RESET, 0);
3081 	RREG32(GRBM_SOFT_RESET);
3082 
3083 	/* Set ring buffer size */
3084 	rb_bufsz = order_base_2(ring->ring_size / 8);
3085 	tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
3086 #ifdef __BIG_ENDIAN
3087 	tmp |= BUF_SWAP_32BIT;
3088 #endif
3089 	WREG32(CP_RB_CNTL, tmp);
3090 	WREG32(CP_SEM_WAIT_TIMER, 0x0);
3091 	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
3092 
3093 	/* Set the write pointer delay */
3094 	WREG32(CP_RB_WPTR_DELAY, 0);
3095 
3096 	/* Initialize the ring buffer's read and write pointers */
3097 	WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
3098 	WREG32(CP_RB_RPTR_WR, 0);
3099 	ring->wptr = 0;
3100 	WREG32(CP_RB_WPTR, ring->wptr);
3101 
3102 	/* set the wb address whether it's enabled or not */
3103 	WREG32(CP_RB_RPTR_ADDR,
3104 	       ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
3105 	WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
3106 	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
3107 
3108 	if (rdev->wb.enabled)
3109 		WREG32(SCRATCH_UMSK, 0xff);
3110 	else {
3111 		tmp |= RB_NO_UPDATE;
3112 		WREG32(SCRATCH_UMSK, 0);
3113 	}
3114 
3115 	mdelay(1);
3116 	WREG32(CP_RB_CNTL, tmp);
3117 
3118 	WREG32(CP_RB_BASE, ring->gpu_addr >> 8);
3119 	WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
3120 
3121 	evergreen_cp_start(rdev);
3122 	ring->ready = true;
3123 	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
3124 	if (r) {
3125 		ring->ready = false;
3126 		return r;
3127 	}
3128 	return 0;
3129 }
3130 
3131 /*
3132  * Core functions
3133  */
3134 static void evergreen_gpu_init(struct radeon_device *rdev)
3135 {
3136 	u32 gb_addr_config;
3137 	u32 mc_arb_ramcfg;
3138 	u32 sx_debug_1;
3139 	u32 smx_dc_ctl0;
3140 	u32 sq_config;
3141 	u32 sq_lds_resource_mgmt;
3142 	u32 sq_gpr_resource_mgmt_1;
3143 	u32 sq_gpr_resource_mgmt_2;
3144 	u32 sq_gpr_resource_mgmt_3;
3145 	u32 sq_thread_resource_mgmt;
3146 	u32 sq_thread_resource_mgmt_2;
3147 	u32 sq_stack_resource_mgmt_1;
3148 	u32 sq_stack_resource_mgmt_2;
3149 	u32 sq_stack_resource_mgmt_3;
3150 	u32 vgt_cache_invalidation;
3151 	u32 hdp_host_path_cntl, tmp;
3152 	u32 disabled_rb_mask;
3153 	int i, j, ps_thread_count;
3154 
3155 	switch (rdev->family) {
3156 	case CHIP_CYPRESS:
3157 	case CHIP_HEMLOCK:
3158 		rdev->config.evergreen.num_ses = 2;
3159 		rdev->config.evergreen.max_pipes = 4;
3160 		rdev->config.evergreen.max_tile_pipes = 8;
3161 		rdev->config.evergreen.max_simds = 10;
3162 		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
3163 		rdev->config.evergreen.max_gprs = 256;
3164 		rdev->config.evergreen.max_threads = 248;
3165 		rdev->config.evergreen.max_gs_threads = 32;
3166 		rdev->config.evergreen.max_stack_entries = 512;
3167 		rdev->config.evergreen.sx_num_of_sets = 4;
3168 		rdev->config.evergreen.sx_max_export_size = 256;
3169 		rdev->config.evergreen.sx_max_export_pos_size = 64;
3170 		rdev->config.evergreen.sx_max_export_smx_size = 192;
3171 		rdev->config.evergreen.max_hw_contexts = 8;
3172 		rdev->config.evergreen.sq_num_cf_insts = 2;
3173 
3174 		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3175 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3176 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3177 		gb_addr_config = CYPRESS_GB_ADDR_CONFIG_GOLDEN;
3178 		break;
3179 	case CHIP_JUNIPER:
3180 		rdev->config.evergreen.num_ses = 1;
3181 		rdev->config.evergreen.max_pipes = 4;
3182 		rdev->config.evergreen.max_tile_pipes = 4;
3183 		rdev->config.evergreen.max_simds = 10;
3184 		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
3185 		rdev->config.evergreen.max_gprs = 256;
3186 		rdev->config.evergreen.max_threads = 248;
3187 		rdev->config.evergreen.max_gs_threads = 32;
3188 		rdev->config.evergreen.max_stack_entries = 512;
3189 		rdev->config.evergreen.sx_num_of_sets = 4;
3190 		rdev->config.evergreen.sx_max_export_size = 256;
3191 		rdev->config.evergreen.sx_max_export_pos_size = 64;
3192 		rdev->config.evergreen.sx_max_export_smx_size = 192;
3193 		rdev->config.evergreen.max_hw_contexts = 8;
3194 		rdev->config.evergreen.sq_num_cf_insts = 2;
3195 
3196 		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3197 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3198 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3199 		gb_addr_config = JUNIPER_GB_ADDR_CONFIG_GOLDEN;
3200 		break;
3201 	case CHIP_REDWOOD:
3202 		rdev->config.evergreen.num_ses = 1;
3203 		rdev->config.evergreen.max_pipes = 4;
3204 		rdev->config.evergreen.max_tile_pipes = 4;
3205 		rdev->config.evergreen.max_simds = 5;
3206 		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
3207 		rdev->config.evergreen.max_gprs = 256;
3208 		rdev->config.evergreen.max_threads = 248;
3209 		rdev->config.evergreen.max_gs_threads = 32;
3210 		rdev->config.evergreen.max_stack_entries = 256;
3211 		rdev->config.evergreen.sx_num_of_sets = 4;
3212 		rdev->config.evergreen.sx_max_export_size = 256;
3213 		rdev->config.evergreen.sx_max_export_pos_size = 64;
3214 		rdev->config.evergreen.sx_max_export_smx_size = 192;
3215 		rdev->config.evergreen.max_hw_contexts = 8;
3216 		rdev->config.evergreen.sq_num_cf_insts = 2;
3217 
3218 		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3219 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3220 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3221 		gb_addr_config = REDWOOD_GB_ADDR_CONFIG_GOLDEN;
3222 		break;
3223 	case CHIP_CEDAR:
3224 	default:
3225 		rdev->config.evergreen.num_ses = 1;
3226 		rdev->config.evergreen.max_pipes = 2;
3227 		rdev->config.evergreen.max_tile_pipes = 2;
3228 		rdev->config.evergreen.max_simds = 2;
3229 		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
3230 		rdev->config.evergreen.max_gprs = 256;
3231 		rdev->config.evergreen.max_threads = 192;
3232 		rdev->config.evergreen.max_gs_threads = 16;
3233 		rdev->config.evergreen.max_stack_entries = 256;
3234 		rdev->config.evergreen.sx_num_of_sets = 4;
3235 		rdev->config.evergreen.sx_max_export_size = 128;
3236 		rdev->config.evergreen.sx_max_export_pos_size = 32;
3237 		rdev->config.evergreen.sx_max_export_smx_size = 96;
3238 		rdev->config.evergreen.max_hw_contexts = 4;
3239 		rdev->config.evergreen.sq_num_cf_insts = 1;
3240 
3241 		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3242 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3243 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3244 		gb_addr_config = CEDAR_GB_ADDR_CONFIG_GOLDEN;
3245 		break;
3246 	case CHIP_PALM:
3247 		rdev->config.evergreen.num_ses = 1;
3248 		rdev->config.evergreen.max_pipes = 2;
3249 		rdev->config.evergreen.max_tile_pipes = 2;
3250 		rdev->config.evergreen.max_simds = 2;
3251 		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
3252 		rdev->config.evergreen.max_gprs = 256;
3253 		rdev->config.evergreen.max_threads = 192;
3254 		rdev->config.evergreen.max_gs_threads = 16;
3255 		rdev->config.evergreen.max_stack_entries = 256;
3256 		rdev->config.evergreen.sx_num_of_sets = 4;
3257 		rdev->config.evergreen.sx_max_export_size = 128;
3258 		rdev->config.evergreen.sx_max_export_pos_size = 32;
3259 		rdev->config.evergreen.sx_max_export_smx_size = 96;
3260 		rdev->config.evergreen.max_hw_contexts = 4;
3261 		rdev->config.evergreen.sq_num_cf_insts = 1;
3262 
3263 		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3264 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3265 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3266 		gb_addr_config = CEDAR_GB_ADDR_CONFIG_GOLDEN;
3267 		break;
3268 	case CHIP_SUMO:
3269 		rdev->config.evergreen.num_ses = 1;
3270 		rdev->config.evergreen.max_pipes = 4;
3271 		rdev->config.evergreen.max_tile_pipes = 4;
3272 		if (rdev->pdev->device == 0x9648)
3273 			rdev->config.evergreen.max_simds = 3;
3274 		else if ((rdev->pdev->device == 0x9647) ||
3275 			 (rdev->pdev->device == 0x964a))
3276 			rdev->config.evergreen.max_simds = 4;
3277 		else
3278 			rdev->config.evergreen.max_simds = 5;
3279 		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
3280 		rdev->config.evergreen.max_gprs = 256;
3281 		rdev->config.evergreen.max_threads = 248;
3282 		rdev->config.evergreen.max_gs_threads = 32;
3283 		rdev->config.evergreen.max_stack_entries = 256;
3284 		rdev->config.evergreen.sx_num_of_sets = 4;
3285 		rdev->config.evergreen.sx_max_export_size = 256;
3286 		rdev->config.evergreen.sx_max_export_pos_size = 64;
3287 		rdev->config.evergreen.sx_max_export_smx_size = 192;
3288 		rdev->config.evergreen.max_hw_contexts = 8;
3289 		rdev->config.evergreen.sq_num_cf_insts = 2;
3290 
3291 		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3292 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3293 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3294 		gb_addr_config = SUMO_GB_ADDR_CONFIG_GOLDEN;
3295 		break;
3296 	case CHIP_SUMO2:
3297 		rdev->config.evergreen.num_ses = 1;
3298 		rdev->config.evergreen.max_pipes = 4;
3299 		rdev->config.evergreen.max_tile_pipes = 4;
3300 		rdev->config.evergreen.max_simds = 2;
3301 		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
3302 		rdev->config.evergreen.max_gprs = 256;
3303 		rdev->config.evergreen.max_threads = 248;
3304 		rdev->config.evergreen.max_gs_threads = 32;
3305 		rdev->config.evergreen.max_stack_entries = 512;
3306 		rdev->config.evergreen.sx_num_of_sets = 4;
3307 		rdev->config.evergreen.sx_max_export_size = 256;
3308 		rdev->config.evergreen.sx_max_export_pos_size = 64;
3309 		rdev->config.evergreen.sx_max_export_smx_size = 192;
3310 		rdev->config.evergreen.max_hw_contexts = 4;
3311 		rdev->config.evergreen.sq_num_cf_insts = 2;
3312 
3313 		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3314 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3315 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3316 		gb_addr_config = SUMO2_GB_ADDR_CONFIG_GOLDEN;
3317 		break;
3318 	case CHIP_BARTS:
3319 		rdev->config.evergreen.num_ses = 2;
3320 		rdev->config.evergreen.max_pipes = 4;
3321 		rdev->config.evergreen.max_tile_pipes = 8;
3322 		rdev->config.evergreen.max_simds = 7;
3323 		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
3324 		rdev->config.evergreen.max_gprs = 256;
3325 		rdev->config.evergreen.max_threads = 248;
3326 		rdev->config.evergreen.max_gs_threads = 32;
3327 		rdev->config.evergreen.max_stack_entries = 512;
3328 		rdev->config.evergreen.sx_num_of_sets = 4;
3329 		rdev->config.evergreen.sx_max_export_size = 256;
3330 		rdev->config.evergreen.sx_max_export_pos_size = 64;
3331 		rdev->config.evergreen.sx_max_export_smx_size = 192;
3332 		rdev->config.evergreen.max_hw_contexts = 8;
3333 		rdev->config.evergreen.sq_num_cf_insts = 2;
3334 
3335 		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3336 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3337 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3338 		gb_addr_config = BARTS_GB_ADDR_CONFIG_GOLDEN;
3339 		break;
3340 	case CHIP_TURKS:
3341 		rdev->config.evergreen.num_ses = 1;
3342 		rdev->config.evergreen.max_pipes = 4;
3343 		rdev->config.evergreen.max_tile_pipes = 4;
3344 		rdev->config.evergreen.max_simds = 6;
3345 		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
3346 		rdev->config.evergreen.max_gprs = 256;
3347 		rdev->config.evergreen.max_threads = 248;
3348 		rdev->config.evergreen.max_gs_threads = 32;
3349 		rdev->config.evergreen.max_stack_entries = 256;
3350 		rdev->config.evergreen.sx_num_of_sets = 4;
3351 		rdev->config.evergreen.sx_max_export_size = 256;
3352 		rdev->config.evergreen.sx_max_export_pos_size = 64;
3353 		rdev->config.evergreen.sx_max_export_smx_size = 192;
3354 		rdev->config.evergreen.max_hw_contexts = 8;
3355 		rdev->config.evergreen.sq_num_cf_insts = 2;
3356 
3357 		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3358 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3359 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3360 		gb_addr_config = TURKS_GB_ADDR_CONFIG_GOLDEN;
3361 		break;
3362 	case CHIP_CAICOS:
3363 		rdev->config.evergreen.num_ses = 1;
3364 		rdev->config.evergreen.max_pipes = 2;
3365 		rdev->config.evergreen.max_tile_pipes = 2;
3366 		rdev->config.evergreen.max_simds = 2;
3367 		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
3368 		rdev->config.evergreen.max_gprs = 256;
3369 		rdev->config.evergreen.max_threads = 192;
3370 		rdev->config.evergreen.max_gs_threads = 16;
3371 		rdev->config.evergreen.max_stack_entries = 256;
3372 		rdev->config.evergreen.sx_num_of_sets = 4;
3373 		rdev->config.evergreen.sx_max_export_size = 128;
3374 		rdev->config.evergreen.sx_max_export_pos_size = 32;
3375 		rdev->config.evergreen.sx_max_export_smx_size = 96;
3376 		rdev->config.evergreen.max_hw_contexts = 4;
3377 		rdev->config.evergreen.sq_num_cf_insts = 1;
3378 
3379 		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3380 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3381 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3382 		gb_addr_config = CAICOS_GB_ADDR_CONFIG_GOLDEN;
3383 		break;
3384 	}
3385 
3386 	/* Initialize HDP */
3387 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
3388 		WREG32((0x2c14 + j), 0x00000000);
3389 		WREG32((0x2c18 + j), 0x00000000);
3390 		WREG32((0x2c1c + j), 0x00000000);
3391 		WREG32((0x2c20 + j), 0x00000000);
3392 		WREG32((0x2c24 + j), 0x00000000);
3393 	}
3394 
3395 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
3396 	WREG32(SRBM_INT_CNTL, 0x1);
3397 	WREG32(SRBM_INT_ACK, 0x1);
3398 
3399 	evergreen_fix_pci_max_read_req_size(rdev);
3400 
3401 	RREG32(MC_SHARED_CHMAP);
3402 	if ((rdev->family == CHIP_PALM) ||
3403 	    (rdev->family == CHIP_SUMO) ||
3404 	    (rdev->family == CHIP_SUMO2))
3405 		mc_arb_ramcfg = RREG32(FUS_MC_ARB_RAMCFG);
3406 	else
3407 		mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
3408 
3409 	/* setup tiling info dword.  gb_addr_config is not adequate since it does
3410 	 * not have bank info, so create a custom tiling dword.
3411 	 * bits 3:0   num_pipes
3412 	 * bits 7:4   num_banks
3413 	 * bits 11:8  group_size
3414 	 * bits 15:12 row_size
3415 	 */
3416 	rdev->config.evergreen.tile_config = 0;
3417 	switch (rdev->config.evergreen.max_tile_pipes) {
3418 	case 1:
3419 	default:
3420 		rdev->config.evergreen.tile_config |= (0 << 0);
3421 		break;
3422 	case 2:
3423 		rdev->config.evergreen.tile_config |= (1 << 0);
3424 		break;
3425 	case 4:
3426 		rdev->config.evergreen.tile_config |= (2 << 0);
3427 		break;
3428 	case 8:
3429 		rdev->config.evergreen.tile_config |= (3 << 0);
3430 		break;
3431 	}
3432 	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
3433 	if (rdev->flags & RADEON_IS_IGP)
3434 		rdev->config.evergreen.tile_config |= 1 << 4;
3435 	else {
3436 		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
3437 		case 0: /* four banks */
3438 			rdev->config.evergreen.tile_config |= 0 << 4;
3439 			break;
3440 		case 1: /* eight banks */
3441 			rdev->config.evergreen.tile_config |= 1 << 4;
3442 			break;
3443 		case 2: /* sixteen banks */
3444 		default:
3445 			rdev->config.evergreen.tile_config |= 2 << 4;
3446 			break;
3447 		}
3448 	}
3449 	rdev->config.evergreen.tile_config |= 0 << 8;
3450 	rdev->config.evergreen.tile_config |=
3451 		((gb_addr_config & 0x30000000) >> 28) << 12;
3452 
3453 	if ((rdev->family >= CHIP_CEDAR) && (rdev->family <= CHIP_HEMLOCK)) {
3454 		u32 efuse_straps_4;
3455 		u32 efuse_straps_3;
3456 
3457 		efuse_straps_4 = RREG32_RCU(0x204);
3458 		efuse_straps_3 = RREG32_RCU(0x203);
3459 		tmp = (((efuse_straps_4 & 0xf) << 4) |
3460 		      ((efuse_straps_3 & 0xf0000000) >> 28));
3461 	} else {
3462 		tmp = 0;
3463 		for (i = (rdev->config.evergreen.num_ses - 1); i >= 0; i--) {
3464 			u32 rb_disable_bitmap;
3465 
3466 			WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
3467 			WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
3468 			rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
3469 			tmp <<= 4;
3470 			tmp |= rb_disable_bitmap;
3471 		}
3472 	}
3473 	/* enabled rb are just the one not disabled :) */
3474 	disabled_rb_mask = tmp;
3475 	tmp = 0;
3476 	for (i = 0; i < rdev->config.evergreen.max_backends; i++)
3477 		tmp |= (1 << i);
3478 	/* if all the backends are disabled, fix it up here */
3479 	if ((disabled_rb_mask & tmp) == tmp) {
3480 		for (i = 0; i < rdev->config.evergreen.max_backends; i++)
3481 			disabled_rb_mask &= ~(1 << i);
3482 	}
3483 
3484 	for (i = 0; i < rdev->config.evergreen.num_ses; i++) {
3485 		u32 simd_disable_bitmap;
3486 
3487 		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
3488 		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
3489 		simd_disable_bitmap = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16;
3490 		simd_disable_bitmap |= 0xffffffff << rdev->config.evergreen.max_simds;
3491 		tmp <<= 16;
3492 		tmp |= simd_disable_bitmap;
3493 	}
3494 	rdev->config.evergreen.active_simds = hweight32(~tmp);
3495 
3496 	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
3497 	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
3498 
3499 	WREG32(GB_ADDR_CONFIG, gb_addr_config);
3500 	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
3501 	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
3502 	WREG32(DMA_TILING_CONFIG, gb_addr_config);
3503 	WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
3504 	WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
3505 	WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
3506 
3507 	if ((rdev->config.evergreen.max_backends == 1) &&
3508 	    (rdev->flags & RADEON_IS_IGP)) {
3509 		if ((disabled_rb_mask & 3) == 1) {
3510 			/* RB0 disabled, RB1 enabled */
3511 			tmp = 0x11111111;
3512 		} else {
3513 			/* RB1 disabled, RB0 enabled */
3514 			tmp = 0x00000000;
3515 		}
3516 	} else {
3517 		tmp = gb_addr_config & NUM_PIPES_MASK;
3518 		tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends,
3519 						EVERGREEN_MAX_BACKENDS, disabled_rb_mask);
3520 	}
3521 	rdev->config.evergreen.backend_map = tmp;
3522 	WREG32(GB_BACKEND_MAP, tmp);
3523 
3524 	WREG32(CGTS_SYS_TCC_DISABLE, 0);
3525 	WREG32(CGTS_TCC_DISABLE, 0);
3526 	WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
3527 	WREG32(CGTS_USER_TCC_DISABLE, 0);
3528 
3529 	/* set HW defaults for 3D engine */
3530 	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
3531 				     ROQ_IB2_START(0x2b)));
3532 
3533 	WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
3534 
3535 	WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
3536 			     SYNC_GRADIENT |
3537 			     SYNC_WALKER |
3538 			     SYNC_ALIGNER));
3539 
3540 	sx_debug_1 = RREG32(SX_DEBUG_1);
3541 	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
3542 	WREG32(SX_DEBUG_1, sx_debug_1);
3543 
3544 
3545 	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
3546 	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
3547 	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets);
3548 	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
3549 
3550 	if (rdev->family <= CHIP_SUMO2)
3551 		WREG32(SMX_SAR_CTL0, 0x00010000);
3552 
3553 	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) |
3554 					POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) |
3555 					SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1)));
3556 
3557 	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) |
3558 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) |
3559 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size)));
3560 
3561 	WREG32(VGT_NUM_INSTANCES, 1);
3562 	WREG32(SPI_CONFIG_CNTL, 0);
3563 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
3564 	WREG32(CP_PERFMON_CNTL, 0);
3565 
3566 	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) |
3567 				  FETCH_FIFO_HIWATER(0x4) |
3568 				  DONE_FIFO_HIWATER(0xe0) |
3569 				  ALU_UPDATE_FIFO_HIWATER(0x8)));
3570 
3571 	sq_config = RREG32(SQ_CONFIG);
3572 	sq_config &= ~(PS_PRIO(3) |
3573 		       VS_PRIO(3) |
3574 		       GS_PRIO(3) |
3575 		       ES_PRIO(3));
3576 	sq_config |= (VC_ENABLE |
3577 		      EXPORT_SRC_C |
3578 		      PS_PRIO(0) |
3579 		      VS_PRIO(1) |
3580 		      GS_PRIO(2) |
3581 		      ES_PRIO(3));
3582 
3583 	switch (rdev->family) {
3584 	case CHIP_CEDAR:
3585 	case CHIP_PALM:
3586 	case CHIP_SUMO:
3587 	case CHIP_SUMO2:
3588 	case CHIP_CAICOS:
3589 		/* no vertex cache */
3590 		sq_config &= ~VC_ENABLE;
3591 		break;
3592 	default:
3593 		break;
3594 	}
3595 
3596 	sq_lds_resource_mgmt = RREG32(SQ_LDS_RESOURCE_MGMT);
3597 
3598 	sq_gpr_resource_mgmt_1 = NUM_PS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2))* 12 / 32);
3599 	sq_gpr_resource_mgmt_1 |= NUM_VS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 6 / 32);
3600 	sq_gpr_resource_mgmt_1 |= NUM_CLAUSE_TEMP_GPRS(4);
3601 	sq_gpr_resource_mgmt_2 = NUM_GS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
3602 	sq_gpr_resource_mgmt_2 |= NUM_ES_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
3603 	sq_gpr_resource_mgmt_3 = NUM_HS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
3604 	sq_gpr_resource_mgmt_3 |= NUM_LS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
3605 
3606 	switch (rdev->family) {
3607 	case CHIP_CEDAR:
3608 	case CHIP_PALM:
3609 	case CHIP_SUMO:
3610 	case CHIP_SUMO2:
3611 		ps_thread_count = 96;
3612 		break;
3613 	default:
3614 		ps_thread_count = 128;
3615 		break;
3616 	}
3617 
3618 	sq_thread_resource_mgmt = NUM_PS_THREADS(ps_thread_count);
3619 	sq_thread_resource_mgmt |= NUM_VS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3620 	sq_thread_resource_mgmt |= NUM_GS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3621 	sq_thread_resource_mgmt |= NUM_ES_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3622 	sq_thread_resource_mgmt_2 = NUM_HS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3623 	sq_thread_resource_mgmt_2 |= NUM_LS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3624 
3625 	sq_stack_resource_mgmt_1 = NUM_PS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3626 	sq_stack_resource_mgmt_1 |= NUM_VS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3627 	sq_stack_resource_mgmt_2 = NUM_GS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3628 	sq_stack_resource_mgmt_2 |= NUM_ES_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3629 	sq_stack_resource_mgmt_3 = NUM_HS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3630 	sq_stack_resource_mgmt_3 |= NUM_LS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3631 
3632 	WREG32(SQ_CONFIG, sq_config);
3633 	WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
3634 	WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
3635 	WREG32(SQ_GPR_RESOURCE_MGMT_3, sq_gpr_resource_mgmt_3);
3636 	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
3637 	WREG32(SQ_THREAD_RESOURCE_MGMT_2, sq_thread_resource_mgmt_2);
3638 	WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
3639 	WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
3640 	WREG32(SQ_STACK_RESOURCE_MGMT_3, sq_stack_resource_mgmt_3);
3641 	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0);
3642 	WREG32(SQ_LDS_RESOURCE_MGMT, sq_lds_resource_mgmt);
3643 
3644 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
3645 					  FORCE_EOV_MAX_REZ_CNT(255)));
3646 
3647 	switch (rdev->family) {
3648 	case CHIP_CEDAR:
3649 	case CHIP_PALM:
3650 	case CHIP_SUMO:
3651 	case CHIP_SUMO2:
3652 	case CHIP_CAICOS:
3653 		vgt_cache_invalidation = CACHE_INVALIDATION(TC_ONLY);
3654 		break;
3655 	default:
3656 		vgt_cache_invalidation = CACHE_INVALIDATION(VC_AND_TC);
3657 		break;
3658 	}
3659 	vgt_cache_invalidation |= AUTO_INVLD_EN(ES_AND_GS_AUTO);
3660 	WREG32(VGT_CACHE_INVALIDATION, vgt_cache_invalidation);
3661 
3662 	WREG32(VGT_GS_VERTEX_REUSE, 16);
3663 	WREG32(PA_SU_LINE_STIPPLE_VALUE, 0);
3664 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
3665 
3666 	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, 14);
3667 	WREG32(VGT_OUT_DEALLOC_CNTL, 16);
3668 
3669 	WREG32(CB_PERF_CTR0_SEL_0, 0);
3670 	WREG32(CB_PERF_CTR0_SEL_1, 0);
3671 	WREG32(CB_PERF_CTR1_SEL_0, 0);
3672 	WREG32(CB_PERF_CTR1_SEL_1, 0);
3673 	WREG32(CB_PERF_CTR2_SEL_0, 0);
3674 	WREG32(CB_PERF_CTR2_SEL_1, 0);
3675 	WREG32(CB_PERF_CTR3_SEL_0, 0);
3676 	WREG32(CB_PERF_CTR3_SEL_1, 0);
3677 
3678 	/* clear render buffer base addresses */
3679 	WREG32(CB_COLOR0_BASE, 0);
3680 	WREG32(CB_COLOR1_BASE, 0);
3681 	WREG32(CB_COLOR2_BASE, 0);
3682 	WREG32(CB_COLOR3_BASE, 0);
3683 	WREG32(CB_COLOR4_BASE, 0);
3684 	WREG32(CB_COLOR5_BASE, 0);
3685 	WREG32(CB_COLOR6_BASE, 0);
3686 	WREG32(CB_COLOR7_BASE, 0);
3687 	WREG32(CB_COLOR8_BASE, 0);
3688 	WREG32(CB_COLOR9_BASE, 0);
3689 	WREG32(CB_COLOR10_BASE, 0);
3690 	WREG32(CB_COLOR11_BASE, 0);
3691 
3692 	/* set the shader const cache sizes to 0 */
3693 	for (i = SQ_ALU_CONST_BUFFER_SIZE_PS_0; i < 0x28200; i += 4)
3694 		WREG32(i, 0);
3695 	for (i = SQ_ALU_CONST_BUFFER_SIZE_HS_0; i < 0x29000; i += 4)
3696 		WREG32(i, 0);
3697 
3698 	tmp = RREG32(HDP_MISC_CNTL);
3699 	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
3700 	WREG32(HDP_MISC_CNTL, tmp);
3701 
3702 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
3703 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
3704 
3705 	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
3706 
3707 	udelay(50);
3708 
3709 }
3710 
3711 int evergreen_mc_init(struct radeon_device *rdev)
3712 {
3713 	u32 tmp;
3714 	int chansize, numchan;
3715 
3716 	/* Get VRAM informations */
3717 	rdev->mc.vram_is_ddr = true;
3718 	if ((rdev->family == CHIP_PALM) ||
3719 	    (rdev->family == CHIP_SUMO) ||
3720 	    (rdev->family == CHIP_SUMO2))
3721 		tmp = RREG32(FUS_MC_ARB_RAMCFG);
3722 	else
3723 		tmp = RREG32(MC_ARB_RAMCFG);
3724 	if (tmp & CHANSIZE_OVERRIDE) {
3725 		chansize = 16;
3726 	} else if (tmp & CHANSIZE_MASK) {
3727 		chansize = 64;
3728 	} else {
3729 		chansize = 32;
3730 	}
3731 	tmp = RREG32(MC_SHARED_CHMAP);
3732 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
3733 	case 0:
3734 	default:
3735 		numchan = 1;
3736 		break;
3737 	case 1:
3738 		numchan = 2;
3739 		break;
3740 	case 2:
3741 		numchan = 4;
3742 		break;
3743 	case 3:
3744 		numchan = 8;
3745 		break;
3746 	}
3747 	rdev->mc.vram_width = numchan * chansize;
3748 	/* Could aper size report 0 ? */
3749 	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
3750 	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
3751 	/* Setup GPU memory space */
3752 	if ((rdev->family == CHIP_PALM) ||
3753 	    (rdev->family == CHIP_SUMO) ||
3754 	    (rdev->family == CHIP_SUMO2)) {
3755 		/* size in bytes on fusion */
3756 		rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
3757 		rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
3758 	} else {
3759 		/* size in MB on evergreen/cayman/tn */
3760 		rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL;
3761 		rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL;
3762 	}
3763 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
3764 	r700_vram_gtt_location(rdev, &rdev->mc);
3765 	radeon_update_bandwidth_info(rdev);
3766 
3767 	return 0;
3768 }
3769 
3770 void evergreen_print_gpu_status_regs(struct radeon_device *rdev)
3771 {
3772 	dev_info(rdev->dev, "  GRBM_STATUS               = 0x%08X\n",
3773 		RREG32(GRBM_STATUS));
3774 	dev_info(rdev->dev, "  GRBM_STATUS_SE0           = 0x%08X\n",
3775 		RREG32(GRBM_STATUS_SE0));
3776 	dev_info(rdev->dev, "  GRBM_STATUS_SE1           = 0x%08X\n",
3777 		RREG32(GRBM_STATUS_SE1));
3778 	dev_info(rdev->dev, "  SRBM_STATUS               = 0x%08X\n",
3779 		RREG32(SRBM_STATUS));
3780 	dev_info(rdev->dev, "  SRBM_STATUS2              = 0x%08X\n",
3781 		RREG32(SRBM_STATUS2));
3782 	dev_info(rdev->dev, "  R_008674_CP_STALLED_STAT1 = 0x%08X\n",
3783 		RREG32(CP_STALLED_STAT1));
3784 	dev_info(rdev->dev, "  R_008678_CP_STALLED_STAT2 = 0x%08X\n",
3785 		RREG32(CP_STALLED_STAT2));
3786 	dev_info(rdev->dev, "  R_00867C_CP_BUSY_STAT     = 0x%08X\n",
3787 		RREG32(CP_BUSY_STAT));
3788 	dev_info(rdev->dev, "  R_008680_CP_STAT          = 0x%08X\n",
3789 		RREG32(CP_STAT));
3790 	dev_info(rdev->dev, "  R_00D034_DMA_STATUS_REG   = 0x%08X\n",
3791 		RREG32(DMA_STATUS_REG));
3792 	if (rdev->family >= CHIP_CAYMAN) {
3793 		dev_info(rdev->dev, "  R_00D834_DMA_STATUS_REG   = 0x%08X\n",
3794 			 RREG32(DMA_STATUS_REG + 0x800));
3795 	}
3796 }
3797 
3798 bool evergreen_is_display_hung(struct radeon_device *rdev)
3799 {
3800 	u32 crtc_hung = 0;
3801 	u32 crtc_status[6];
3802 	u32 i, j, tmp;
3803 
3804 	for (i = 0; i < rdev->num_crtc; i++) {
3805 		if (RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]) & EVERGREEN_CRTC_MASTER_EN) {
3806 			crtc_status[i] = RREG32(EVERGREEN_CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
3807 			crtc_hung |= (1 << i);
3808 		}
3809 	}
3810 
3811 	for (j = 0; j < 10; j++) {
3812 		for (i = 0; i < rdev->num_crtc; i++) {
3813 			if (crtc_hung & (1 << i)) {
3814 				tmp = RREG32(EVERGREEN_CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
3815 				if (tmp != crtc_status[i])
3816 					crtc_hung &= ~(1 << i);
3817 			}
3818 		}
3819 		if (crtc_hung == 0)
3820 			return false;
3821 		udelay(100);
3822 	}
3823 
3824 	return true;
3825 }
3826 
3827 u32 evergreen_gpu_check_soft_reset(struct radeon_device *rdev)
3828 {
3829 	u32 reset_mask = 0;
3830 	u32 tmp;
3831 
3832 	/* GRBM_STATUS */
3833 	tmp = RREG32(GRBM_STATUS);
3834 	if (tmp & (PA_BUSY | SC_BUSY |
3835 		   SH_BUSY | SX_BUSY |
3836 		   TA_BUSY | VGT_BUSY |
3837 		   DB_BUSY | CB_BUSY |
3838 		   SPI_BUSY | VGT_BUSY_NO_DMA))
3839 		reset_mask |= RADEON_RESET_GFX;
3840 
3841 	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
3842 		   CP_BUSY | CP_COHERENCY_BUSY))
3843 		reset_mask |= RADEON_RESET_CP;
3844 
3845 	if (tmp & GRBM_EE_BUSY)
3846 		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
3847 
3848 	/* DMA_STATUS_REG */
3849 	tmp = RREG32(DMA_STATUS_REG);
3850 	if (!(tmp & DMA_IDLE))
3851 		reset_mask |= RADEON_RESET_DMA;
3852 
3853 	/* SRBM_STATUS2 */
3854 	tmp = RREG32(SRBM_STATUS2);
3855 	if (tmp & DMA_BUSY)
3856 		reset_mask |= RADEON_RESET_DMA;
3857 
3858 	/* SRBM_STATUS */
3859 	tmp = RREG32(SRBM_STATUS);
3860 	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
3861 		reset_mask |= RADEON_RESET_RLC;
3862 
3863 	if (tmp & IH_BUSY)
3864 		reset_mask |= RADEON_RESET_IH;
3865 
3866 	if (tmp & SEM_BUSY)
3867 		reset_mask |= RADEON_RESET_SEM;
3868 
3869 	if (tmp & GRBM_RQ_PENDING)
3870 		reset_mask |= RADEON_RESET_GRBM;
3871 
3872 	if (tmp & VMC_BUSY)
3873 		reset_mask |= RADEON_RESET_VMC;
3874 
3875 	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
3876 		   MCC_BUSY | MCD_BUSY))
3877 		reset_mask |= RADEON_RESET_MC;
3878 
3879 	if (evergreen_is_display_hung(rdev))
3880 		reset_mask |= RADEON_RESET_DISPLAY;
3881 
3882 	/* VM_L2_STATUS */
3883 	tmp = RREG32(VM_L2_STATUS);
3884 	if (tmp & L2_BUSY)
3885 		reset_mask |= RADEON_RESET_VMC;
3886 
3887 	/* Skip MC reset as it's mostly likely not hung, just busy */
3888 	if (reset_mask & RADEON_RESET_MC) {
3889 		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
3890 		reset_mask &= ~RADEON_RESET_MC;
3891 	}
3892 
3893 	return reset_mask;
3894 }
3895 
3896 static void evergreen_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
3897 {
3898 	struct evergreen_mc_save save;
3899 	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
3900 	u32 tmp;
3901 
3902 	if (reset_mask == 0)
3903 		return;
3904 
3905 	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
3906 
3907 	evergreen_print_gpu_status_regs(rdev);
3908 
3909 	/* Disable CP parsing/prefetching */
3910 	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
3911 
3912 	if (reset_mask & RADEON_RESET_DMA) {
3913 		/* Disable DMA */
3914 		tmp = RREG32(DMA_RB_CNTL);
3915 		tmp &= ~DMA_RB_ENABLE;
3916 		WREG32(DMA_RB_CNTL, tmp);
3917 	}
3918 
3919 	udelay(50);
3920 
3921 	evergreen_mc_stop(rdev, &save);
3922 	if (evergreen_mc_wait_for_idle(rdev)) {
3923 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
3924 	}
3925 
3926 	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
3927 		grbm_soft_reset |= SOFT_RESET_DB |
3928 			SOFT_RESET_CB |
3929 			SOFT_RESET_PA |
3930 			SOFT_RESET_SC |
3931 			SOFT_RESET_SPI |
3932 			SOFT_RESET_SX |
3933 			SOFT_RESET_SH |
3934 			SOFT_RESET_TC |
3935 			SOFT_RESET_TA |
3936 			SOFT_RESET_VC |
3937 			SOFT_RESET_VGT;
3938 	}
3939 
3940 	if (reset_mask & RADEON_RESET_CP) {
3941 		grbm_soft_reset |= SOFT_RESET_CP |
3942 			SOFT_RESET_VGT;
3943 
3944 		srbm_soft_reset |= SOFT_RESET_GRBM;
3945 	}
3946 
3947 	if (reset_mask & RADEON_RESET_DMA)
3948 		srbm_soft_reset |= SOFT_RESET_DMA;
3949 
3950 	if (reset_mask & RADEON_RESET_DISPLAY)
3951 		srbm_soft_reset |= SOFT_RESET_DC;
3952 
3953 	if (reset_mask & RADEON_RESET_RLC)
3954 		srbm_soft_reset |= SOFT_RESET_RLC;
3955 
3956 	if (reset_mask & RADEON_RESET_SEM)
3957 		srbm_soft_reset |= SOFT_RESET_SEM;
3958 
3959 	if (reset_mask & RADEON_RESET_IH)
3960 		srbm_soft_reset |= SOFT_RESET_IH;
3961 
3962 	if (reset_mask & RADEON_RESET_GRBM)
3963 		srbm_soft_reset |= SOFT_RESET_GRBM;
3964 
3965 	if (reset_mask & RADEON_RESET_VMC)
3966 		srbm_soft_reset |= SOFT_RESET_VMC;
3967 
3968 	if (!(rdev->flags & RADEON_IS_IGP)) {
3969 		if (reset_mask & RADEON_RESET_MC)
3970 			srbm_soft_reset |= SOFT_RESET_MC;
3971 	}
3972 
3973 	if (grbm_soft_reset) {
3974 		tmp = RREG32(GRBM_SOFT_RESET);
3975 		tmp |= grbm_soft_reset;
3976 		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
3977 		WREG32(GRBM_SOFT_RESET, tmp);
3978 		tmp = RREG32(GRBM_SOFT_RESET);
3979 
3980 		udelay(50);
3981 
3982 		tmp &= ~grbm_soft_reset;
3983 		WREG32(GRBM_SOFT_RESET, tmp);
3984 		tmp = RREG32(GRBM_SOFT_RESET);
3985 	}
3986 
3987 	if (srbm_soft_reset) {
3988 		tmp = RREG32(SRBM_SOFT_RESET);
3989 		tmp |= srbm_soft_reset;
3990 		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3991 		WREG32(SRBM_SOFT_RESET, tmp);
3992 		tmp = RREG32(SRBM_SOFT_RESET);
3993 
3994 		udelay(50);
3995 
3996 		tmp &= ~srbm_soft_reset;
3997 		WREG32(SRBM_SOFT_RESET, tmp);
3998 		tmp = RREG32(SRBM_SOFT_RESET);
3999 	}
4000 
4001 	/* Wait a little for things to settle down */
4002 	udelay(50);
4003 
4004 	evergreen_mc_resume(rdev, &save);
4005 	udelay(50);
4006 
4007 	evergreen_print_gpu_status_regs(rdev);
4008 }
4009 
4010 void evergreen_gpu_pci_config_reset(struct radeon_device *rdev)
4011 {
4012 	struct evergreen_mc_save save;
4013 	u32 tmp, i;
4014 
4015 	dev_info(rdev->dev, "GPU pci config reset\n");
4016 
4017 	/* disable dpm? */
4018 
4019 	/* Disable CP parsing/prefetching */
4020 	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
4021 	udelay(50);
4022 	/* Disable DMA */
4023 	tmp = RREG32(DMA_RB_CNTL);
4024 	tmp &= ~DMA_RB_ENABLE;
4025 	WREG32(DMA_RB_CNTL, tmp);
4026 	/* XXX other engines? */
4027 
4028 	/* halt the rlc */
4029 	r600_rlc_stop(rdev);
4030 
4031 	udelay(50);
4032 
4033 	/* set mclk/sclk to bypass */
4034 	rv770_set_clk_bypass_mode(rdev);
4035 	/* disable BM */
4036 	pci_clear_master(rdev->pdev);
4037 	/* disable mem access */
4038 	evergreen_mc_stop(rdev, &save);
4039 	if (evergreen_mc_wait_for_idle(rdev)) {
4040 		dev_warn(rdev->dev, "Wait for MC idle timed out !\n");
4041 	}
4042 	/* reset */
4043 	radeon_pci_config_reset(rdev);
4044 	/* wait for asic to come out of reset */
4045 	for (i = 0; i < rdev->usec_timeout; i++) {
4046 		if (RREG32(CONFIG_MEMSIZE) != 0xffffffff)
4047 			break;
4048 		udelay(1);
4049 	}
4050 }
4051 
4052 int evergreen_asic_reset(struct radeon_device *rdev, bool hard)
4053 {
4054 	u32 reset_mask;
4055 
4056 	if (hard) {
4057 		evergreen_gpu_pci_config_reset(rdev);
4058 		return 0;
4059 	}
4060 
4061 	reset_mask = evergreen_gpu_check_soft_reset(rdev);
4062 
4063 	if (reset_mask)
4064 		r600_set_bios_scratch_engine_hung(rdev, true);
4065 
4066 	/* try soft reset */
4067 	evergreen_gpu_soft_reset(rdev, reset_mask);
4068 
4069 	reset_mask = evergreen_gpu_check_soft_reset(rdev);
4070 
4071 	/* try pci config reset */
4072 	if (reset_mask && radeon_hard_reset)
4073 		evergreen_gpu_pci_config_reset(rdev);
4074 
4075 	reset_mask = evergreen_gpu_check_soft_reset(rdev);
4076 
4077 	if (!reset_mask)
4078 		r600_set_bios_scratch_engine_hung(rdev, false);
4079 
4080 	return 0;
4081 }
4082 
4083 /**
4084  * evergreen_gfx_is_lockup - Check if the GFX engine is locked up
4085  *
4086  * @rdev: radeon_device pointer
4087  * @ring: radeon_ring structure holding ring information
4088  *
4089  * Check if the GFX engine is locked up.
4090  * Returns true if the engine appears to be locked up, false if not.
4091  */
4092 bool evergreen_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
4093 {
4094 	u32 reset_mask = evergreen_gpu_check_soft_reset(rdev);
4095 
4096 	if (!(reset_mask & (RADEON_RESET_GFX |
4097 			    RADEON_RESET_COMPUTE |
4098 			    RADEON_RESET_CP))) {
4099 		radeon_ring_lockup_update(rdev, ring);
4100 		return false;
4101 	}
4102 	return radeon_ring_test_lockup(rdev, ring);
4103 }
4104 
4105 /*
4106  * RLC
4107  */
4108 #define RLC_SAVE_RESTORE_LIST_END_MARKER    0x00000000
4109 #define RLC_CLEAR_STATE_END_MARKER          0x00000001
4110 
4111 void sumo_rlc_fini(struct radeon_device *rdev)
4112 {
4113 	int r;
4114 
4115 	/* save restore block */
4116 	if (rdev->rlc.save_restore_obj) {
4117 		r = radeon_bo_reserve(rdev->rlc.save_restore_obj, false);
4118 		if (unlikely(r != 0))
4119 			dev_warn(rdev->dev, "(%d) reserve RLC sr bo failed\n", r);
4120 		radeon_bo_unpin(rdev->rlc.save_restore_obj);
4121 		radeon_bo_unreserve(rdev->rlc.save_restore_obj);
4122 
4123 		radeon_bo_unref(&rdev->rlc.save_restore_obj);
4124 		rdev->rlc.save_restore_obj = NULL;
4125 	}
4126 
4127 	/* clear state block */
4128 	if (rdev->rlc.clear_state_obj) {
4129 		r = radeon_bo_reserve(rdev->rlc.clear_state_obj, false);
4130 		if (unlikely(r != 0))
4131 			dev_warn(rdev->dev, "(%d) reserve RLC c bo failed\n", r);
4132 		radeon_bo_unpin(rdev->rlc.clear_state_obj);
4133 		radeon_bo_unreserve(rdev->rlc.clear_state_obj);
4134 
4135 		radeon_bo_unref(&rdev->rlc.clear_state_obj);
4136 		rdev->rlc.clear_state_obj = NULL;
4137 	}
4138 
4139 	/* clear state block */
4140 	if (rdev->rlc.cp_table_obj) {
4141 		r = radeon_bo_reserve(rdev->rlc.cp_table_obj, false);
4142 		if (unlikely(r != 0))
4143 			dev_warn(rdev->dev, "(%d) reserve RLC cp table bo failed\n", r);
4144 		radeon_bo_unpin(rdev->rlc.cp_table_obj);
4145 		radeon_bo_unreserve(rdev->rlc.cp_table_obj);
4146 
4147 		radeon_bo_unref(&rdev->rlc.cp_table_obj);
4148 		rdev->rlc.cp_table_obj = NULL;
4149 	}
4150 }
4151 
4152 #define CP_ME_TABLE_SIZE    96
4153 
4154 int sumo_rlc_init(struct radeon_device *rdev)
4155 {
4156 	const u32 *src_ptr;
4157 	volatile u32 *dst_ptr;
4158 	u32 dws, data, i, j, k, reg_num;
4159 	u32 reg_list_num, reg_list_hdr_blk_index, reg_list_blk_index = 0;
4160 	u64 reg_list_mc_addr;
4161 	const struct cs_section_def *cs_data;
4162 	int r;
4163 
4164 	src_ptr = rdev->rlc.reg_list;
4165 	dws = rdev->rlc.reg_list_size;
4166 	if (rdev->family >= CHIP_BONAIRE) {
4167 		dws += (5 * 16) + 48 + 48 + 64;
4168 	}
4169 	cs_data = rdev->rlc.cs_data;
4170 
4171 	if (src_ptr) {
4172 		/* save restore block */
4173 		if (rdev->rlc.save_restore_obj == NULL) {
4174 			r = radeon_bo_create(rdev, dws * 4, PAGE_SIZE, true,
4175 					     RADEON_GEM_DOMAIN_VRAM, 0, NULL,
4176 					     NULL, &rdev->rlc.save_restore_obj);
4177 			if (r) {
4178 				dev_warn(rdev->dev, "(%d) create RLC sr bo failed\n", r);
4179 				return r;
4180 			}
4181 		}
4182 
4183 		r = radeon_bo_reserve(rdev->rlc.save_restore_obj, false);
4184 		if (unlikely(r != 0)) {
4185 			sumo_rlc_fini(rdev);
4186 			return r;
4187 		}
4188 		r = radeon_bo_pin(rdev->rlc.save_restore_obj, RADEON_GEM_DOMAIN_VRAM,
4189 				  &rdev->rlc.save_restore_gpu_addr);
4190 		if (r) {
4191 			radeon_bo_unreserve(rdev->rlc.save_restore_obj);
4192 			dev_warn(rdev->dev, "(%d) pin RLC sr bo failed\n", r);
4193 			sumo_rlc_fini(rdev);
4194 			return r;
4195 		}
4196 
4197 		r = radeon_bo_kmap(rdev->rlc.save_restore_obj, (void **)&rdev->rlc.sr_ptr);
4198 		if (r) {
4199 			dev_warn(rdev->dev, "(%d) map RLC sr bo failed\n", r);
4200 			sumo_rlc_fini(rdev);
4201 			return r;
4202 		}
4203 		/* write the sr buffer */
4204 		dst_ptr = rdev->rlc.sr_ptr;
4205 		if (rdev->family >= CHIP_TAHITI) {
4206 			/* SI */
4207 			for (i = 0; i < rdev->rlc.reg_list_size; i++)
4208 				dst_ptr[i] = cpu_to_le32(src_ptr[i]);
4209 		} else {
4210 			/* ON/LN/TN */
4211 			/* format:
4212 			 * dw0: (reg2 << 16) | reg1
4213 			 * dw1: reg1 save space
4214 			 * dw2: reg2 save space
4215 			 */
4216 			for (i = 0; i < dws; i++) {
4217 				data = src_ptr[i] >> 2;
4218 				i++;
4219 				if (i < dws)
4220 					data |= (src_ptr[i] >> 2) << 16;
4221 				j = (((i - 1) * 3) / 2);
4222 				dst_ptr[j] = cpu_to_le32(data);
4223 			}
4224 			j = ((i * 3) / 2);
4225 			dst_ptr[j] = cpu_to_le32(RLC_SAVE_RESTORE_LIST_END_MARKER);
4226 		}
4227 		radeon_bo_kunmap(rdev->rlc.save_restore_obj);
4228 		radeon_bo_unreserve(rdev->rlc.save_restore_obj);
4229 	}
4230 
4231 	if (cs_data) {
4232 		/* clear state block */
4233 		if (rdev->family >= CHIP_BONAIRE) {
4234 			rdev->rlc.clear_state_size = dws = cik_get_csb_size(rdev);
4235 		} else if (rdev->family >= CHIP_TAHITI) {
4236 			rdev->rlc.clear_state_size = si_get_csb_size(rdev);
4237 			dws = rdev->rlc.clear_state_size + (256 / 4);
4238 		} else {
4239 			reg_list_num = 0;
4240 			dws = 0;
4241 			for (i = 0; cs_data[i].section != NULL; i++) {
4242 				for (j = 0; cs_data[i].section[j].extent != NULL; j++) {
4243 					reg_list_num++;
4244 					dws += cs_data[i].section[j].reg_count;
4245 				}
4246 			}
4247 			reg_list_blk_index = (3 * reg_list_num + 2);
4248 			dws += reg_list_blk_index;
4249 			rdev->rlc.clear_state_size = dws;
4250 		}
4251 
4252 		if (rdev->rlc.clear_state_obj == NULL) {
4253 			r = radeon_bo_create(rdev, dws * 4, PAGE_SIZE, true,
4254 					     RADEON_GEM_DOMAIN_VRAM, 0, NULL,
4255 					     NULL, &rdev->rlc.clear_state_obj);
4256 			if (r) {
4257 				dev_warn(rdev->dev, "(%d) create RLC c bo failed\n", r);
4258 				sumo_rlc_fini(rdev);
4259 				return r;
4260 			}
4261 		}
4262 		r = radeon_bo_reserve(rdev->rlc.clear_state_obj, false);
4263 		if (unlikely(r != 0)) {
4264 			sumo_rlc_fini(rdev);
4265 			return r;
4266 		}
4267 		r = radeon_bo_pin(rdev->rlc.clear_state_obj, RADEON_GEM_DOMAIN_VRAM,
4268 				  &rdev->rlc.clear_state_gpu_addr);
4269 		if (r) {
4270 			radeon_bo_unreserve(rdev->rlc.clear_state_obj);
4271 			dev_warn(rdev->dev, "(%d) pin RLC c bo failed\n", r);
4272 			sumo_rlc_fini(rdev);
4273 			return r;
4274 		}
4275 
4276 		r = radeon_bo_kmap(rdev->rlc.clear_state_obj, (void **)&rdev->rlc.cs_ptr);
4277 		if (r) {
4278 			dev_warn(rdev->dev, "(%d) map RLC c bo failed\n", r);
4279 			sumo_rlc_fini(rdev);
4280 			return r;
4281 		}
4282 		/* set up the cs buffer */
4283 		dst_ptr = rdev->rlc.cs_ptr;
4284 		if (rdev->family >= CHIP_BONAIRE) {
4285 			cik_get_csb_buffer(rdev, dst_ptr);
4286 		} else if (rdev->family >= CHIP_TAHITI) {
4287 			reg_list_mc_addr = rdev->rlc.clear_state_gpu_addr + 256;
4288 			dst_ptr[0] = cpu_to_le32(upper_32_bits(reg_list_mc_addr));
4289 			dst_ptr[1] = cpu_to_le32(lower_32_bits(reg_list_mc_addr));
4290 			dst_ptr[2] = cpu_to_le32(rdev->rlc.clear_state_size);
4291 			si_get_csb_buffer(rdev, &dst_ptr[(256/4)]);
4292 		} else {
4293 			reg_list_hdr_blk_index = 0;
4294 			reg_list_mc_addr = rdev->rlc.clear_state_gpu_addr + (reg_list_blk_index * 4);
4295 			data = upper_32_bits(reg_list_mc_addr);
4296 			dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(data);
4297 			reg_list_hdr_blk_index++;
4298 			for (i = 0; cs_data[i].section != NULL; i++) {
4299 				for (j = 0; cs_data[i].section[j].extent != NULL; j++) {
4300 					reg_num = cs_data[i].section[j].reg_count;
4301 					data = reg_list_mc_addr & 0xffffffff;
4302 					dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(data);
4303 					reg_list_hdr_blk_index++;
4304 
4305 					data = (cs_data[i].section[j].reg_index * 4) & 0xffffffff;
4306 					dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(data);
4307 					reg_list_hdr_blk_index++;
4308 
4309 					data = 0x08000000 | (reg_num * 4);
4310 					dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(data);
4311 					reg_list_hdr_blk_index++;
4312 
4313 					for (k = 0; k < reg_num; k++) {
4314 						data = cs_data[i].section[j].extent[k];
4315 						dst_ptr[reg_list_blk_index + k] = cpu_to_le32(data);
4316 					}
4317 					reg_list_mc_addr += reg_num * 4;
4318 					reg_list_blk_index += reg_num;
4319 				}
4320 			}
4321 			dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(RLC_CLEAR_STATE_END_MARKER);
4322 		}
4323 		radeon_bo_kunmap(rdev->rlc.clear_state_obj);
4324 		radeon_bo_unreserve(rdev->rlc.clear_state_obj);
4325 	}
4326 
4327 	if (rdev->rlc.cp_table_size) {
4328 		if (rdev->rlc.cp_table_obj == NULL) {
4329 			r = radeon_bo_create(rdev, rdev->rlc.cp_table_size,
4330 					     PAGE_SIZE, true,
4331 					     RADEON_GEM_DOMAIN_VRAM, 0, NULL,
4332 					     NULL, &rdev->rlc.cp_table_obj);
4333 			if (r) {
4334 				dev_warn(rdev->dev, "(%d) create RLC cp table bo failed\n", r);
4335 				sumo_rlc_fini(rdev);
4336 				return r;
4337 			}
4338 		}
4339 
4340 		r = radeon_bo_reserve(rdev->rlc.cp_table_obj, false);
4341 		if (unlikely(r != 0)) {
4342 			dev_warn(rdev->dev, "(%d) reserve RLC cp table bo failed\n", r);
4343 			sumo_rlc_fini(rdev);
4344 			return r;
4345 		}
4346 		r = radeon_bo_pin(rdev->rlc.cp_table_obj, RADEON_GEM_DOMAIN_VRAM,
4347 				  &rdev->rlc.cp_table_gpu_addr);
4348 		if (r) {
4349 			radeon_bo_unreserve(rdev->rlc.cp_table_obj);
4350 			dev_warn(rdev->dev, "(%d) pin RLC cp_table bo failed\n", r);
4351 			sumo_rlc_fini(rdev);
4352 			return r;
4353 		}
4354 		r = radeon_bo_kmap(rdev->rlc.cp_table_obj, (void **)&rdev->rlc.cp_table_ptr);
4355 		if (r) {
4356 			dev_warn(rdev->dev, "(%d) map RLC cp table bo failed\n", r);
4357 			sumo_rlc_fini(rdev);
4358 			return r;
4359 		}
4360 
4361 		cik_init_cp_pg_table(rdev);
4362 
4363 		radeon_bo_kunmap(rdev->rlc.cp_table_obj);
4364 		radeon_bo_unreserve(rdev->rlc.cp_table_obj);
4365 
4366 	}
4367 
4368 	return 0;
4369 }
4370 
4371 static void evergreen_rlc_start(struct radeon_device *rdev)
4372 {
4373 	u32 mask = RLC_ENABLE;
4374 
4375 	if (rdev->flags & RADEON_IS_IGP) {
4376 		mask |= GFX_POWER_GATING_ENABLE | GFX_POWER_GATING_SRC;
4377 	}
4378 
4379 	WREG32(RLC_CNTL, mask);
4380 }
4381 
4382 int evergreen_rlc_resume(struct radeon_device *rdev)
4383 {
4384 	u32 i;
4385 	const __be32 *fw_data;
4386 
4387 	if (!rdev->rlc_fw)
4388 		return -EINVAL;
4389 
4390 	r600_rlc_stop(rdev);
4391 
4392 	WREG32(RLC_HB_CNTL, 0);
4393 
4394 	if (rdev->flags & RADEON_IS_IGP) {
4395 		if (rdev->family == CHIP_ARUBA) {
4396 			u32 always_on_bitmap =
4397 				3 | (3 << (16 * rdev->config.cayman.max_shader_engines));
4398 			/* find out the number of active simds */
4399 			u32 tmp = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16;
4400 			tmp |= 0xffffffff << rdev->config.cayman.max_simds_per_se;
4401 			tmp = hweight32(~tmp);
4402 			if (tmp == rdev->config.cayman.max_simds_per_se) {
4403 				WREG32(TN_RLC_LB_ALWAYS_ACTIVE_SIMD_MASK, always_on_bitmap);
4404 				WREG32(TN_RLC_LB_PARAMS, 0x00601004);
4405 				WREG32(TN_RLC_LB_INIT_SIMD_MASK, 0xffffffff);
4406 				WREG32(TN_RLC_LB_CNTR_INIT, 0x00000000);
4407 				WREG32(TN_RLC_LB_CNTR_MAX, 0x00002000);
4408 			}
4409 		} else {
4410 			WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
4411 			WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
4412 		}
4413 		WREG32(TN_RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
4414 		WREG32(TN_RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
4415 	} else {
4416 		WREG32(RLC_HB_BASE, 0);
4417 		WREG32(RLC_HB_RPTR, 0);
4418 		WREG32(RLC_HB_WPTR, 0);
4419 		WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
4420 		WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
4421 	}
4422 	WREG32(RLC_MC_CNTL, 0);
4423 	WREG32(RLC_UCODE_CNTL, 0);
4424 
4425 	fw_data = (const __be32 *)rdev->rlc_fw->data;
4426 	if (rdev->family >= CHIP_ARUBA) {
4427 		for (i = 0; i < ARUBA_RLC_UCODE_SIZE; i++) {
4428 			WREG32(RLC_UCODE_ADDR, i);
4429 			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
4430 		}
4431 	} else if (rdev->family >= CHIP_CAYMAN) {
4432 		for (i = 0; i < CAYMAN_RLC_UCODE_SIZE; i++) {
4433 			WREG32(RLC_UCODE_ADDR, i);
4434 			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
4435 		}
4436 	} else {
4437 		for (i = 0; i < EVERGREEN_RLC_UCODE_SIZE; i++) {
4438 			WREG32(RLC_UCODE_ADDR, i);
4439 			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
4440 		}
4441 	}
4442 	WREG32(RLC_UCODE_ADDR, 0);
4443 
4444 	evergreen_rlc_start(rdev);
4445 
4446 	return 0;
4447 }
4448 
4449 /* Interrupts */
4450 
4451 u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc)
4452 {
4453 	if (crtc >= rdev->num_crtc)
4454 		return 0;
4455 	else
4456 		return RREG32(CRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
4457 }
4458 
4459 void evergreen_disable_interrupt_state(struct radeon_device *rdev)
4460 {
4461 	int i;
4462 	u32 tmp;
4463 
4464 	if (rdev->family >= CHIP_CAYMAN) {
4465 		cayman_cp_int_cntl_setup(rdev, 0,
4466 					 CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
4467 		cayman_cp_int_cntl_setup(rdev, 1, 0);
4468 		cayman_cp_int_cntl_setup(rdev, 2, 0);
4469 		tmp = RREG32(CAYMAN_DMA1_CNTL) & ~TRAP_ENABLE;
4470 		WREG32(CAYMAN_DMA1_CNTL, tmp);
4471 	} else
4472 		WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
4473 	tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
4474 	WREG32(DMA_CNTL, tmp);
4475 	WREG32(GRBM_INT_CNTL, 0);
4476 	WREG32(SRBM_INT_CNTL, 0);
4477 	for (i = 0; i < rdev->num_crtc; i++)
4478 		WREG32(INT_MASK + crtc_offsets[i], 0);
4479 	for (i = 0; i < rdev->num_crtc; i++)
4480 		WREG32(GRPH_INT_CONTROL + crtc_offsets[i], 0);
4481 
4482 	/* only one DAC on DCE5 */
4483 	if (!ASIC_IS_DCE5(rdev))
4484 		WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
4485 	WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
4486 
4487 	for (i = 0; i < 6; i++)
4488 		WREG32_AND(DC_HPDx_INT_CONTROL(i), DC_HPDx_INT_POLARITY);
4489 }
4490 
4491 /* Note that the order we write back regs here is important */
4492 int evergreen_irq_set(struct radeon_device *rdev)
4493 {
4494 	int i;
4495 	u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
4496 	u32 cp_int_cntl1 = 0, cp_int_cntl2 = 0;
4497 	u32 grbm_int_cntl = 0;
4498 	u32 dma_cntl, dma_cntl1 = 0;
4499 	u32 thermal_int = 0;
4500 
4501 	if (!rdev->irq.installed) {
4502 		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
4503 		return -EINVAL;
4504 	}
4505 	/* don't enable anything if the ih is disabled */
4506 	if (!rdev->ih.enabled) {
4507 		r600_disable_interrupts(rdev);
4508 		/* force the active interrupt state to all disabled */
4509 		evergreen_disable_interrupt_state(rdev);
4510 		return 0;
4511 	}
4512 
4513 	if (rdev->family == CHIP_ARUBA)
4514 		thermal_int = RREG32(TN_CG_THERMAL_INT_CTRL) &
4515 			~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
4516 	else
4517 		thermal_int = RREG32(CG_THERMAL_INT) &
4518 			~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
4519 
4520 	dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
4521 
4522 	if (rdev->family >= CHIP_CAYMAN) {
4523 		/* enable CP interrupts on all rings */
4524 		if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
4525 			DRM_DEBUG("evergreen_irq_set: sw int gfx\n");
4526 			cp_int_cntl |= TIME_STAMP_INT_ENABLE;
4527 		}
4528 		if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP1_INDEX])) {
4529 			DRM_DEBUG("evergreen_irq_set: sw int cp1\n");
4530 			cp_int_cntl1 |= TIME_STAMP_INT_ENABLE;
4531 		}
4532 		if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP2_INDEX])) {
4533 			DRM_DEBUG("evergreen_irq_set: sw int cp2\n");
4534 			cp_int_cntl2 |= TIME_STAMP_INT_ENABLE;
4535 		}
4536 	} else {
4537 		if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
4538 			DRM_DEBUG("evergreen_irq_set: sw int gfx\n");
4539 			cp_int_cntl |= RB_INT_ENABLE;
4540 			cp_int_cntl |= TIME_STAMP_INT_ENABLE;
4541 		}
4542 	}
4543 
4544 	if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
4545 		DRM_DEBUG("r600_irq_set: sw int dma\n");
4546 		dma_cntl |= TRAP_ENABLE;
4547 	}
4548 
4549 	if (rdev->family >= CHIP_CAYMAN) {
4550 		dma_cntl1 = RREG32(CAYMAN_DMA1_CNTL) & ~TRAP_ENABLE;
4551 		if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_DMA1_INDEX])) {
4552 			DRM_DEBUG("r600_irq_set: sw int dma1\n");
4553 			dma_cntl1 |= TRAP_ENABLE;
4554 		}
4555 	}
4556 
4557 	if (rdev->irq.dpm_thermal) {
4558 		DRM_DEBUG("dpm thermal\n");
4559 		thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW;
4560 	}
4561 
4562 	if (rdev->family >= CHIP_CAYMAN) {
4563 		cayman_cp_int_cntl_setup(rdev, 0, cp_int_cntl);
4564 		cayman_cp_int_cntl_setup(rdev, 1, cp_int_cntl1);
4565 		cayman_cp_int_cntl_setup(rdev, 2, cp_int_cntl2);
4566 	} else
4567 		WREG32(CP_INT_CNTL, cp_int_cntl);
4568 
4569 	WREG32(DMA_CNTL, dma_cntl);
4570 
4571 	if (rdev->family >= CHIP_CAYMAN)
4572 		WREG32(CAYMAN_DMA1_CNTL, dma_cntl1);
4573 
4574 	WREG32(GRBM_INT_CNTL, grbm_int_cntl);
4575 
4576 	for (i = 0; i < rdev->num_crtc; i++) {
4577 		radeon_irq_kms_set_irq_n_enabled(
4578 		    rdev, INT_MASK + crtc_offsets[i],
4579 		    VBLANK_INT_MASK,
4580 		    rdev->irq.crtc_vblank_int[i] ||
4581 		    atomic_read(&rdev->irq.pflip[i]), "vblank", i);
4582 	}
4583 
4584 	for (i = 0; i < rdev->num_crtc; i++)
4585 		WREG32(GRPH_INT_CONTROL + crtc_offsets[i], GRPH_PFLIP_INT_MASK);
4586 
4587 	for (i = 0; i < 6; i++) {
4588 		radeon_irq_kms_set_irq_n_enabled(
4589 		    rdev, DC_HPDx_INT_CONTROL(i),
4590 		    DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN,
4591 		    rdev->irq.hpd[i], "HPD", i);
4592 	}
4593 
4594 	if (rdev->family == CHIP_ARUBA)
4595 		WREG32(TN_CG_THERMAL_INT_CTRL, thermal_int);
4596 	else
4597 		WREG32(CG_THERMAL_INT, thermal_int);
4598 
4599 	for (i = 0; i < 6; i++) {
4600 		radeon_irq_kms_set_irq_n_enabled(
4601 		    rdev, AFMT_AUDIO_PACKET_CONTROL + crtc_offsets[i],
4602 		    AFMT_AZ_FORMAT_WTRIG_MASK,
4603 		    rdev->irq.afmt[i], "HDMI", i);
4604 	}
4605 
4606 	/* posting read */
4607 	RREG32(SRBM_STATUS);
4608 
4609 	return 0;
4610 }
4611 
4612 /* Note that the order we write back regs here is important */
4613 static void evergreen_irq_ack(struct radeon_device *rdev)
4614 {
4615 	int i, j;
4616 	u32 *grph_int = rdev->irq.stat_regs.evergreen.grph_int;
4617 	u32 *disp_int = rdev->irq.stat_regs.evergreen.disp_int;
4618 	u32 *afmt_status = rdev->irq.stat_regs.evergreen.afmt_status;
4619 
4620 	for (i = 0; i < 6; i++) {
4621 		disp_int[i] = RREG32(evergreen_disp_int_status[i]);
4622 		afmt_status[i] = RREG32(AFMT_STATUS + crtc_offsets[i]);
4623 		if (i < rdev->num_crtc)
4624 			grph_int[i] = RREG32(GRPH_INT_STATUS + crtc_offsets[i]);
4625 	}
4626 
4627 	/* We write back each interrupt register in pairs of two */
4628 	for (i = 0; i < rdev->num_crtc; i += 2) {
4629 		for (j = i; j < (i + 2); j++) {
4630 			if (grph_int[j] & GRPH_PFLIP_INT_OCCURRED)
4631 				WREG32(GRPH_INT_STATUS + crtc_offsets[j],
4632 				       GRPH_PFLIP_INT_CLEAR);
4633 		}
4634 
4635 		for (j = i; j < (i + 2); j++) {
4636 			if (disp_int[j] & LB_D1_VBLANK_INTERRUPT)
4637 				WREG32(VBLANK_STATUS + crtc_offsets[j],
4638 				       VBLANK_ACK);
4639 			if (disp_int[j] & LB_D1_VLINE_INTERRUPT)
4640 				WREG32(VLINE_STATUS + crtc_offsets[j],
4641 				       VLINE_ACK);
4642 		}
4643 	}
4644 
4645 	for (i = 0; i < 6; i++) {
4646 		if (disp_int[i] & DC_HPD1_INTERRUPT)
4647 			WREG32_OR(DC_HPDx_INT_CONTROL(i), DC_HPDx_INT_ACK);
4648 	}
4649 
4650 	for (i = 0; i < 6; i++) {
4651 		if (disp_int[i] & DC_HPD1_RX_INTERRUPT)
4652 			WREG32_OR(DC_HPDx_INT_CONTROL(i), DC_HPDx_RX_INT_ACK);
4653 	}
4654 
4655 	for (i = 0; i < 6; i++) {
4656 		if (afmt_status[i] & AFMT_AZ_FORMAT_WTRIG)
4657 			WREG32_OR(AFMT_AUDIO_PACKET_CONTROL + crtc_offsets[i],
4658 				  AFMT_AZ_FORMAT_WTRIG_ACK);
4659 	}
4660 }
4661 
4662 static void evergreen_irq_disable(struct radeon_device *rdev)
4663 {
4664 	r600_disable_interrupts(rdev);
4665 	/* Wait and acknowledge irq */
4666 	mdelay(1);
4667 	evergreen_irq_ack(rdev);
4668 	evergreen_disable_interrupt_state(rdev);
4669 }
4670 
4671 void evergreen_irq_suspend(struct radeon_device *rdev)
4672 {
4673 	evergreen_irq_disable(rdev);
4674 	r600_rlc_stop(rdev);
4675 }
4676 
4677 static u32 evergreen_get_ih_wptr(struct radeon_device *rdev)
4678 {
4679 	u32 wptr, tmp;
4680 
4681 	if (rdev->wb.enabled)
4682 		wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
4683 	else
4684 		wptr = RREG32(IH_RB_WPTR);
4685 
4686 	if (wptr & RB_OVERFLOW) {
4687 		wptr &= ~RB_OVERFLOW;
4688 		/* When a ring buffer overflow happen start parsing interrupt
4689 		 * from the last not overwritten vector (wptr + 16). Hopefully
4690 		 * this should allow us to catchup.
4691 		 */
4692 		dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
4693 			 wptr, rdev->ih.rptr, (wptr + 16) & rdev->ih.ptr_mask);
4694 		rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
4695 		tmp = RREG32(IH_RB_CNTL);
4696 		tmp |= IH_WPTR_OVERFLOW_CLEAR;
4697 		WREG32(IH_RB_CNTL, tmp);
4698 	}
4699 	return (wptr & rdev->ih.ptr_mask);
4700 }
4701 
4702 int evergreen_irq_process(struct radeon_device *rdev)
4703 {
4704 	u32 *disp_int = rdev->irq.stat_regs.evergreen.disp_int;
4705 	u32 *afmt_status = rdev->irq.stat_regs.evergreen.afmt_status;
4706 	u32 crtc_idx, hpd_idx, afmt_idx;
4707 	u32 mask;
4708 	u32 wptr;
4709 	u32 rptr;
4710 	u32 src_id, src_data;
4711 	u32 ring_index;
4712 	bool queue_hotplug = false;
4713 	bool queue_hdmi = false;
4714 	bool queue_dp = false;
4715 	bool queue_thermal = false;
4716 	u32 status, addr;
4717 	const char *event_name;
4718 
4719 	if (!rdev->ih.enabled || rdev->shutdown)
4720 		return IRQ_NONE;
4721 
4722 	wptr = evergreen_get_ih_wptr(rdev);
4723 
4724 restart_ih:
4725 	/* is somebody else already processing irqs? */
4726 	if (atomic_xchg(&rdev->ih.lock, 1))
4727 		return IRQ_NONE;
4728 
4729 	rptr = rdev->ih.rptr;
4730 	DRM_DEBUG("evergreen_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
4731 
4732 	/* Order reading of wptr vs. reading of IH ring data */
4733 	rmb();
4734 
4735 	/* display interrupts */
4736 	evergreen_irq_ack(rdev);
4737 
4738 	while (rptr != wptr) {
4739 		/* wptr/rptr are in bytes! */
4740 		ring_index = rptr / 4;
4741 		src_id =  le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
4742 		src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
4743 
4744 		switch (src_id) {
4745 		case 1: /* D1 vblank/vline */
4746 		case 2: /* D2 vblank/vline */
4747 		case 3: /* D3 vblank/vline */
4748 		case 4: /* D4 vblank/vline */
4749 		case 5: /* D5 vblank/vline */
4750 		case 6: /* D6 vblank/vline */
4751 			crtc_idx = src_id - 1;
4752 
4753 			if (src_data == 0) { /* vblank */
4754 				mask = LB_D1_VBLANK_INTERRUPT;
4755 				event_name = "vblank";
4756 
4757 				if (rdev->irq.crtc_vblank_int[crtc_idx]) {
4758 					drm_handle_vblank(rdev->ddev, crtc_idx);
4759 					rdev->pm.vblank_sync = true;
4760 					wake_up(&rdev->irq.vblank_queue);
4761 				}
4762 				if (atomic_read(&rdev->irq.pflip[crtc_idx])) {
4763 					radeon_crtc_handle_vblank(rdev,
4764 								  crtc_idx);
4765 				}
4766 
4767 			} else if (src_data == 1) { /* vline */
4768 				mask = LB_D1_VLINE_INTERRUPT;
4769 				event_name = "vline";
4770 			} else {
4771 				DRM_DEBUG("Unhandled interrupt: %d %d\n",
4772 					  src_id, src_data);
4773 				break;
4774 			}
4775 
4776 			if (!(disp_int[crtc_idx] & mask)) {
4777 				DRM_DEBUG("IH: D%d %s - IH event w/o asserted irq bit?\n",
4778 					  crtc_idx + 1, event_name);
4779 			}
4780 
4781 			disp_int[crtc_idx] &= ~mask;
4782 			DRM_DEBUG("IH: D%d %s\n", crtc_idx + 1, event_name);
4783 
4784 			break;
4785 		case 8: /* D1 page flip */
4786 		case 10: /* D2 page flip */
4787 		case 12: /* D3 page flip */
4788 		case 14: /* D4 page flip */
4789 		case 16: /* D5 page flip */
4790 		case 18: /* D6 page flip */
4791 			DRM_DEBUG("IH: D%d flip\n", ((src_id - 8) >> 1) + 1);
4792 			if (radeon_use_pflipirq > 0)
4793 				radeon_crtc_handle_flip(rdev, (src_id - 8) >> 1);
4794 			break;
4795 		case 42: /* HPD hotplug */
4796 			if (src_data <= 5) {
4797 				hpd_idx = src_data;
4798 				mask = DC_HPD1_INTERRUPT;
4799 				queue_hotplug = true;
4800 				event_name = "HPD";
4801 
4802 			} else if (src_data <= 11) {
4803 				hpd_idx = src_data - 6;
4804 				mask = DC_HPD1_RX_INTERRUPT;
4805 				queue_dp = true;
4806 				event_name = "HPD_RX";
4807 
4808 			} else {
4809 				DRM_DEBUG("Unhandled interrupt: %d %d\n",
4810 					  src_id, src_data);
4811 				break;
4812 			}
4813 
4814 			if (!(disp_int[hpd_idx] & mask))
4815 				DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
4816 
4817 			disp_int[hpd_idx] &= ~mask;
4818 			DRM_DEBUG("IH: %s%d\n", event_name, hpd_idx + 1);
4819 
4820 			break;
4821 		case 44: /* hdmi */
4822 			afmt_idx = src_data;
4823 			if (!(afmt_status[afmt_idx] & AFMT_AZ_FORMAT_WTRIG))
4824 				DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
4825 
4826 			if (afmt_idx > 5) {
4827 				DRM_ERROR("Unhandled interrupt: %d %d\n",
4828 					  src_id, src_data);
4829 				break;
4830 			}
4831 			afmt_status[afmt_idx] &= ~AFMT_AZ_FORMAT_WTRIG;
4832 			queue_hdmi = true;
4833 			DRM_DEBUG("IH: HDMI%d\n", afmt_idx + 1);
4834 			break;
4835 		case 96:
4836 			DRM_ERROR("SRBM_READ_ERROR: 0x%x\n", RREG32(SRBM_READ_ERROR));
4837 			WREG32(SRBM_INT_ACK, 0x1);
4838 			break;
4839 		case 124: /* UVD */
4840 			DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
4841 			radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
4842 			break;
4843 		case 146:
4844 		case 147:
4845 			addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR);
4846 			status = RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS);
4847 			/* reset addr and status */
4848 			WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
4849 			if (addr == 0x0 && status == 0x0)
4850 				break;
4851 			dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data);
4852 			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
4853 				addr);
4854 			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
4855 				status);
4856 			cayman_vm_decode_fault(rdev, status, addr);
4857 			break;
4858 		case 176: /* CP_INT in ring buffer */
4859 		case 177: /* CP_INT in IB1 */
4860 		case 178: /* CP_INT in IB2 */
4861 			DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
4862 			radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4863 			break;
4864 		case 181: /* CP EOP event */
4865 			DRM_DEBUG("IH: CP EOP\n");
4866 			if (rdev->family >= CHIP_CAYMAN) {
4867 				switch (src_data) {
4868 				case 0:
4869 					radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4870 					break;
4871 				case 1:
4872 					radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
4873 					break;
4874 				case 2:
4875 					radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
4876 					break;
4877 				}
4878 			} else
4879 				radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4880 			break;
4881 		case 224: /* DMA trap event */
4882 			DRM_DEBUG("IH: DMA trap\n");
4883 			radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
4884 			break;
4885 		case 230: /* thermal low to high */
4886 			DRM_DEBUG("IH: thermal low to high\n");
4887 			rdev->pm.dpm.thermal.high_to_low = false;
4888 			queue_thermal = true;
4889 			break;
4890 		case 231: /* thermal high to low */
4891 			DRM_DEBUG("IH: thermal high to low\n");
4892 			rdev->pm.dpm.thermal.high_to_low = true;
4893 			queue_thermal = true;
4894 			break;
4895 		case 233: /* GUI IDLE */
4896 			DRM_DEBUG("IH: GUI idle\n");
4897 			break;
4898 		case 244: /* DMA trap event */
4899 			if (rdev->family >= CHIP_CAYMAN) {
4900 				DRM_DEBUG("IH: DMA1 trap\n");
4901 				radeon_fence_process(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
4902 			}
4903 			break;
4904 		default:
4905 			DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4906 			break;
4907 		}
4908 
4909 		/* wptr/rptr are in bytes! */
4910 		rptr += 16;
4911 		rptr &= rdev->ih.ptr_mask;
4912 		WREG32(IH_RB_RPTR, rptr);
4913 	}
4914 	if (queue_dp)
4915 		schedule_work(&rdev->dp_work);
4916 	if (queue_hotplug)
4917 		schedule_delayed_work(&rdev->hotplug_work, 0);
4918 	if (queue_hdmi)
4919 		schedule_work(&rdev->audio_work);
4920 	if (queue_thermal && rdev->pm.dpm_enabled)
4921 		schedule_work(&rdev->pm.dpm.thermal.work);
4922 	rdev->ih.rptr = rptr;
4923 	atomic_set(&rdev->ih.lock, 0);
4924 
4925 	/* make sure wptr hasn't changed while processing */
4926 	wptr = evergreen_get_ih_wptr(rdev);
4927 	if (wptr != rptr)
4928 		goto restart_ih;
4929 
4930 	return IRQ_HANDLED;
4931 }
4932 
4933 static void evergreen_uvd_init(struct radeon_device *rdev)
4934 {
4935 	int r;
4936 
4937 	if (!rdev->has_uvd)
4938 		return;
4939 
4940 	r = radeon_uvd_init(rdev);
4941 	if (r) {
4942 		dev_err(rdev->dev, "failed UVD (%d) init.\n", r);
4943 		/*
4944 		 * At this point rdev->uvd.vcpu_bo is NULL which trickles down
4945 		 * to early fails uvd_v2_2_resume() and thus nothing happens
4946 		 * there. So it is pointless to try to go through that code
4947 		 * hence why we disable uvd here.
4948 		 */
4949 		rdev->has_uvd = false;
4950 		return;
4951 	}
4952 	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
4953 	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
4954 }
4955 
4956 static void evergreen_uvd_start(struct radeon_device *rdev)
4957 {
4958 	int r;
4959 
4960 	if (!rdev->has_uvd)
4961 		return;
4962 
4963 	r = uvd_v2_2_resume(rdev);
4964 	if (r) {
4965 		dev_err(rdev->dev, "failed UVD resume (%d).\n", r);
4966 		goto error;
4967 	}
4968 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
4969 	if (r) {
4970 		dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
4971 		goto error;
4972 	}
4973 	return;
4974 
4975 error:
4976 	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
4977 }
4978 
4979 static void evergreen_uvd_resume(struct radeon_device *rdev)
4980 {
4981 	struct radeon_ring *ring;
4982 	int r;
4983 
4984 	if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size)
4985 		return;
4986 
4987 	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
4988 	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, PACKET0(UVD_NO_OP, 0));
4989 	if (r) {
4990 		dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r);
4991 		return;
4992 	}
4993 	r = uvd_v1_0_init(rdev);
4994 	if (r) {
4995 		dev_err(rdev->dev, "failed initializing UVD (%d).\n", r);
4996 		return;
4997 	}
4998 }
4999 
5000 static int evergreen_startup(struct radeon_device *rdev)
5001 {
5002 	struct radeon_ring *ring;
5003 	int r;
5004 
5005 	/* enable pcie gen2 link */
5006 	evergreen_pcie_gen2_enable(rdev);
5007 	/* enable aspm */
5008 	evergreen_program_aspm(rdev);
5009 
5010 	/* scratch needs to be initialized before MC */
5011 	r = r600_vram_scratch_init(rdev);
5012 	if (r)
5013 		return r;
5014 
5015 	evergreen_mc_program(rdev);
5016 
5017 	if (ASIC_IS_DCE5(rdev) && !rdev->pm.dpm_enabled) {
5018 		r = ni_mc_load_microcode(rdev);
5019 		if (r) {
5020 			DRM_ERROR("Failed to load MC firmware!\n");
5021 			return r;
5022 		}
5023 	}
5024 
5025 	if (rdev->flags & RADEON_IS_AGP) {
5026 		evergreen_agp_enable(rdev);
5027 	} else {
5028 		r = evergreen_pcie_gart_enable(rdev);
5029 		if (r)
5030 			return r;
5031 	}
5032 	evergreen_gpu_init(rdev);
5033 
5034 	/* allocate rlc buffers */
5035 	if (rdev->flags & RADEON_IS_IGP) {
5036 		rdev->rlc.reg_list = sumo_rlc_save_restore_register_list;
5037 		rdev->rlc.reg_list_size =
5038 			(u32)ARRAY_SIZE(sumo_rlc_save_restore_register_list);
5039 		rdev->rlc.cs_data = evergreen_cs_data;
5040 		r = sumo_rlc_init(rdev);
5041 		if (r) {
5042 			DRM_ERROR("Failed to init rlc BOs!\n");
5043 			return r;
5044 		}
5045 	}
5046 
5047 	/* allocate wb buffer */
5048 	r = radeon_wb_init(rdev);
5049 	if (r)
5050 		return r;
5051 
5052 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
5053 	if (r) {
5054 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
5055 		return r;
5056 	}
5057 
5058 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
5059 	if (r) {
5060 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
5061 		return r;
5062 	}
5063 
5064 	evergreen_uvd_start(rdev);
5065 
5066 	/* Enable IRQ */
5067 	if (!rdev->irq.installed) {
5068 		r = radeon_irq_kms_init(rdev);
5069 		if (r)
5070 			return r;
5071 	}
5072 
5073 	r = r600_irq_init(rdev);
5074 	if (r) {
5075 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
5076 		radeon_irq_kms_fini(rdev);
5077 		return r;
5078 	}
5079 	evergreen_irq_set(rdev);
5080 
5081 	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
5082 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
5083 			     RADEON_CP_PACKET2);
5084 	if (r)
5085 		return r;
5086 
5087 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
5088 	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
5089 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0));
5090 	if (r)
5091 		return r;
5092 
5093 	r = evergreen_cp_load_microcode(rdev);
5094 	if (r)
5095 		return r;
5096 	r = evergreen_cp_resume(rdev);
5097 	if (r)
5098 		return r;
5099 	r = r600_dma_resume(rdev);
5100 	if (r)
5101 		return r;
5102 
5103 	evergreen_uvd_resume(rdev);
5104 
5105 	r = radeon_ib_pool_init(rdev);
5106 	if (r) {
5107 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
5108 		return r;
5109 	}
5110 
5111 	r = radeon_audio_init(rdev);
5112 	if (r) {
5113 		DRM_ERROR("radeon: audio init failed\n");
5114 		return r;
5115 	}
5116 
5117 	return 0;
5118 }
5119 
5120 int evergreen_resume(struct radeon_device *rdev)
5121 {
5122 	int r;
5123 
5124 	/* reset the asic, the gfx blocks are often in a bad state
5125 	 * after the driver is unloaded or after a resume
5126 	 */
5127 	if (radeon_asic_reset(rdev))
5128 		dev_warn(rdev->dev, "GPU reset failed !\n");
5129 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
5130 	 * posting will perform necessary task to bring back GPU into good
5131 	 * shape.
5132 	 */
5133 	/* post card */
5134 	atom_asic_init(rdev->mode_info.atom_context);
5135 
5136 	/* init golden registers */
5137 	evergreen_init_golden_registers(rdev);
5138 
5139 	if (rdev->pm.pm_method == PM_METHOD_DPM)
5140 		radeon_pm_resume(rdev);
5141 
5142 	rdev->accel_working = true;
5143 	r = evergreen_startup(rdev);
5144 	if (r) {
5145 		DRM_ERROR("evergreen startup failed on resume\n");
5146 		rdev->accel_working = false;
5147 		return r;
5148 	}
5149 
5150 	return r;
5151 
5152 }
5153 
5154 int evergreen_suspend(struct radeon_device *rdev)
5155 {
5156 	radeon_pm_suspend(rdev);
5157 	radeon_audio_fini(rdev);
5158 	if (rdev->has_uvd) {
5159 		uvd_v1_0_fini(rdev);
5160 		radeon_uvd_suspend(rdev);
5161 	}
5162 	r700_cp_stop(rdev);
5163 	r600_dma_stop(rdev);
5164 	evergreen_irq_suspend(rdev);
5165 	radeon_wb_disable(rdev);
5166 	evergreen_pcie_gart_disable(rdev);
5167 
5168 	return 0;
5169 }
5170 
5171 /* Plan is to move initialization in that function and use
5172  * helper function so that radeon_device_init pretty much
5173  * do nothing more than calling asic specific function. This
5174  * should also allow to remove a bunch of callback function
5175  * like vram_info.
5176  */
5177 int evergreen_init(struct radeon_device *rdev)
5178 {
5179 	int r;
5180 
5181 	/* Read BIOS */
5182 	if (!radeon_get_bios(rdev)) {
5183 		if (ASIC_IS_AVIVO(rdev))
5184 			return -EINVAL;
5185 	}
5186 	/* Must be an ATOMBIOS */
5187 	if (!rdev->is_atom_bios) {
5188 		dev_err(rdev->dev, "Expecting atombios for evergreen GPU\n");
5189 		return -EINVAL;
5190 	}
5191 	r = radeon_atombios_init(rdev);
5192 	if (r)
5193 		return r;
5194 	/* reset the asic, the gfx blocks are often in a bad state
5195 	 * after the driver is unloaded or after a resume
5196 	 */
5197 	if (radeon_asic_reset(rdev))
5198 		dev_warn(rdev->dev, "GPU reset failed !\n");
5199 	/* Post card if necessary */
5200 	if (!radeon_card_posted(rdev)) {
5201 		if (!rdev->bios) {
5202 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
5203 			return -EINVAL;
5204 		}
5205 		DRM_INFO("GPU not posted. posting now...\n");
5206 		atom_asic_init(rdev->mode_info.atom_context);
5207 	}
5208 	/* init golden registers */
5209 	evergreen_init_golden_registers(rdev);
5210 	/* Initialize scratch registers */
5211 	r600_scratch_init(rdev);
5212 	/* Initialize surface registers */
5213 	radeon_surface_init(rdev);
5214 	/* Initialize clocks */
5215 	radeon_get_clock_info(rdev->ddev);
5216 	/* Fence driver */
5217 	radeon_fence_driver_init(rdev);
5218 	/* initialize AGP */
5219 	if (rdev->flags & RADEON_IS_AGP) {
5220 		r = radeon_agp_init(rdev);
5221 		if (r)
5222 			radeon_agp_disable(rdev);
5223 	}
5224 	/* initialize memory controller */
5225 	r = evergreen_mc_init(rdev);
5226 	if (r)
5227 		return r;
5228 	/* Memory manager */
5229 	r = radeon_bo_init(rdev);
5230 	if (r)
5231 		return r;
5232 
5233 	if (ASIC_IS_DCE5(rdev)) {
5234 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
5235 			r = ni_init_microcode(rdev);
5236 			if (r) {
5237 				DRM_ERROR("Failed to load firmware!\n");
5238 				return r;
5239 			}
5240 		}
5241 	} else {
5242 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
5243 			r = r600_init_microcode(rdev);
5244 			if (r) {
5245 				DRM_ERROR("Failed to load firmware!\n");
5246 				return r;
5247 			}
5248 		}
5249 	}
5250 
5251 	/* Initialize power management */
5252 	radeon_pm_init(rdev);
5253 
5254 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
5255 	r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
5256 
5257 	rdev->ring[R600_RING_TYPE_DMA_INDEX].ring_obj = NULL;
5258 	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX], 64 * 1024);
5259 
5260 	evergreen_uvd_init(rdev);
5261 
5262 	rdev->ih.ring_obj = NULL;
5263 	r600_ih_ring_init(rdev, 64 * 1024);
5264 
5265 	r = r600_pcie_gart_init(rdev);
5266 	if (r)
5267 		return r;
5268 
5269 	rdev->accel_working = true;
5270 	r = evergreen_startup(rdev);
5271 	if (r) {
5272 		dev_err(rdev->dev, "disabling GPU acceleration\n");
5273 		r700_cp_fini(rdev);
5274 		r600_dma_fini(rdev);
5275 		r600_irq_fini(rdev);
5276 		if (rdev->flags & RADEON_IS_IGP)
5277 			sumo_rlc_fini(rdev);
5278 		radeon_wb_fini(rdev);
5279 		radeon_ib_pool_fini(rdev);
5280 		radeon_irq_kms_fini(rdev);
5281 		evergreen_pcie_gart_fini(rdev);
5282 		rdev->accel_working = false;
5283 	}
5284 
5285 	/* Don't start up if the MC ucode is missing on BTC parts.
5286 	 * The default clocks and voltages before the MC ucode
5287 	 * is loaded are not suffient for advanced operations.
5288 	 */
5289 	if (ASIC_IS_DCE5(rdev)) {
5290 		if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
5291 			DRM_ERROR("radeon: MC ucode required for NI+.\n");
5292 			return -EINVAL;
5293 		}
5294 	}
5295 
5296 	return 0;
5297 }
5298 
5299 void evergreen_fini(struct radeon_device *rdev)
5300 {
5301 	radeon_pm_fini(rdev);
5302 	radeon_audio_fini(rdev);
5303 	r700_cp_fini(rdev);
5304 	r600_dma_fini(rdev);
5305 	r600_irq_fini(rdev);
5306 	if (rdev->flags & RADEON_IS_IGP)
5307 		sumo_rlc_fini(rdev);
5308 	radeon_wb_fini(rdev);
5309 	radeon_ib_pool_fini(rdev);
5310 	radeon_irq_kms_fini(rdev);
5311 	uvd_v1_0_fini(rdev);
5312 	radeon_uvd_fini(rdev);
5313 	evergreen_pcie_gart_fini(rdev);
5314 	r600_vram_scratch_fini(rdev);
5315 	radeon_gem_fini(rdev);
5316 	radeon_fence_driver_fini(rdev);
5317 	radeon_agp_fini(rdev);
5318 	radeon_bo_fini(rdev);
5319 	radeon_atombios_fini(rdev);
5320 	kfree(rdev->bios);
5321 	rdev->bios = NULL;
5322 }
5323 
5324 void evergreen_pcie_gen2_enable(struct radeon_device *rdev)
5325 {
5326 	u32 link_width_cntl, speed_cntl;
5327 
5328 	if (radeon_pcie_gen2 == 0)
5329 		return;
5330 
5331 	if (rdev->flags & RADEON_IS_IGP)
5332 		return;
5333 
5334 	if (!(rdev->flags & RADEON_IS_PCIE))
5335 		return;
5336 
5337 	/* x2 cards have a special sequence */
5338 	if (ASIC_IS_X2(rdev))
5339 		return;
5340 
5341 	if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) &&
5342 		(rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT))
5343 		return;
5344 
5345 	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5346 	if (speed_cntl & LC_CURRENT_DATA_RATE) {
5347 		DRM_INFO("PCIE gen 2 link speeds already enabled\n");
5348 		return;
5349 	}
5350 
5351 	DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
5352 
5353 	if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) ||
5354 	    (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
5355 
5356 		link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
5357 		link_width_cntl &= ~LC_UPCONFIGURE_DIS;
5358 		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
5359 
5360 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5361 		speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
5362 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
5363 
5364 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5365 		speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
5366 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
5367 
5368 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5369 		speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
5370 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
5371 
5372 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5373 		speed_cntl |= LC_GEN2_EN_STRAP;
5374 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
5375 
5376 	} else {
5377 		link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
5378 		/* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
5379 		if (1)
5380 			link_width_cntl |= LC_UPCONFIGURE_DIS;
5381 		else
5382 			link_width_cntl &= ~LC_UPCONFIGURE_DIS;
5383 		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
5384 	}
5385 }
5386 
5387 void evergreen_program_aspm(struct radeon_device *rdev)
5388 {
5389 	u32 data, orig;
5390 	u32 pcie_lc_cntl, pcie_lc_cntl_old;
5391 	bool disable_l0s, disable_l1 = false, disable_plloff_in_l1 = false;
5392 	/* fusion_platform = true
5393 	 * if the system is a fusion system
5394 	 * (APU or DGPU in a fusion system).
5395 	 * todo: check if the system is a fusion platform.
5396 	 */
5397 	bool fusion_platform = false;
5398 
5399 	if (radeon_aspm == 0)
5400 		return;
5401 
5402 	if (!(rdev->flags & RADEON_IS_PCIE))
5403 		return;
5404 
5405 	switch (rdev->family) {
5406 	case CHIP_CYPRESS:
5407 	case CHIP_HEMLOCK:
5408 	case CHIP_JUNIPER:
5409 	case CHIP_REDWOOD:
5410 	case CHIP_CEDAR:
5411 	case CHIP_SUMO:
5412 	case CHIP_SUMO2:
5413 	case CHIP_PALM:
5414 	case CHIP_ARUBA:
5415 		disable_l0s = true;
5416 		break;
5417 	default:
5418 		disable_l0s = false;
5419 		break;
5420 	}
5421 
5422 	if (rdev->flags & RADEON_IS_IGP)
5423 		fusion_platform = true; /* XXX also dGPUs in a fusion system */
5424 
5425 	data = orig = RREG32_PIF_PHY0(PB0_PIF_PAIRING);
5426 	if (fusion_platform)
5427 		data &= ~MULTI_PIF;
5428 	else
5429 		data |= MULTI_PIF;
5430 	if (data != orig)
5431 		WREG32_PIF_PHY0(PB0_PIF_PAIRING, data);
5432 
5433 	data = orig = RREG32_PIF_PHY1(PB1_PIF_PAIRING);
5434 	if (fusion_platform)
5435 		data &= ~MULTI_PIF;
5436 	else
5437 		data |= MULTI_PIF;
5438 	if (data != orig)
5439 		WREG32_PIF_PHY1(PB1_PIF_PAIRING, data);
5440 
5441 	pcie_lc_cntl = pcie_lc_cntl_old = RREG32_PCIE_PORT(PCIE_LC_CNTL);
5442 	pcie_lc_cntl &= ~(LC_L0S_INACTIVITY_MASK | LC_L1_INACTIVITY_MASK);
5443 	if (!disable_l0s) {
5444 		if (rdev->family >= CHIP_BARTS)
5445 			pcie_lc_cntl |= LC_L0S_INACTIVITY(7);
5446 		else
5447 			pcie_lc_cntl |= LC_L0S_INACTIVITY(3);
5448 	}
5449 
5450 	if (!disable_l1) {
5451 		if (rdev->family >= CHIP_BARTS)
5452 			pcie_lc_cntl |= LC_L1_INACTIVITY(7);
5453 		else
5454 			pcie_lc_cntl |= LC_L1_INACTIVITY(8);
5455 
5456 		if (!disable_plloff_in_l1) {
5457 			data = orig = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0);
5458 			data &= ~(PLL_POWER_STATE_IN_OFF_0_MASK | PLL_POWER_STATE_IN_TXS2_0_MASK);
5459 			data |= PLL_POWER_STATE_IN_OFF_0(7) | PLL_POWER_STATE_IN_TXS2_0(7);
5460 			if (data != orig)
5461 				WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0, data);
5462 
5463 			data = orig = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1);
5464 			data &= ~(PLL_POWER_STATE_IN_OFF_1_MASK | PLL_POWER_STATE_IN_TXS2_1_MASK);
5465 			data |= PLL_POWER_STATE_IN_OFF_1(7) | PLL_POWER_STATE_IN_TXS2_1(7);
5466 			if (data != orig)
5467 				WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1, data);
5468 
5469 			data = orig = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0);
5470 			data &= ~(PLL_POWER_STATE_IN_OFF_0_MASK | PLL_POWER_STATE_IN_TXS2_0_MASK);
5471 			data |= PLL_POWER_STATE_IN_OFF_0(7) | PLL_POWER_STATE_IN_TXS2_0(7);
5472 			if (data != orig)
5473 				WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0, data);
5474 
5475 			data = orig = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1);
5476 			data &= ~(PLL_POWER_STATE_IN_OFF_1_MASK | PLL_POWER_STATE_IN_TXS2_1_MASK);
5477 			data |= PLL_POWER_STATE_IN_OFF_1(7) | PLL_POWER_STATE_IN_TXS2_1(7);
5478 			if (data != orig)
5479 				WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1, data);
5480 
5481 			if (rdev->family >= CHIP_BARTS) {
5482 				data = orig = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0);
5483 				data &= ~PLL_RAMP_UP_TIME_0_MASK;
5484 				data |= PLL_RAMP_UP_TIME_0(4);
5485 				if (data != orig)
5486 					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0, data);
5487 
5488 				data = orig = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1);
5489 				data &= ~PLL_RAMP_UP_TIME_1_MASK;
5490 				data |= PLL_RAMP_UP_TIME_1(4);
5491 				if (data != orig)
5492 					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1, data);
5493 
5494 				data = orig = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0);
5495 				data &= ~PLL_RAMP_UP_TIME_0_MASK;
5496 				data |= PLL_RAMP_UP_TIME_0(4);
5497 				if (data != orig)
5498 					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0, data);
5499 
5500 				data = orig = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1);
5501 				data &= ~PLL_RAMP_UP_TIME_1_MASK;
5502 				data |= PLL_RAMP_UP_TIME_1(4);
5503 				if (data != orig)
5504 					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1, data);
5505 			}
5506 
5507 			data = orig = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
5508 			data &= ~LC_DYN_LANES_PWR_STATE_MASK;
5509 			data |= LC_DYN_LANES_PWR_STATE(3);
5510 			if (data != orig)
5511 				WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, data);
5512 
5513 			if (rdev->family >= CHIP_BARTS) {
5514 				data = orig = RREG32_PIF_PHY0(PB0_PIF_CNTL);
5515 				data &= ~LS2_EXIT_TIME_MASK;
5516 				data |= LS2_EXIT_TIME(1);
5517 				if (data != orig)
5518 					WREG32_PIF_PHY0(PB0_PIF_CNTL, data);
5519 
5520 				data = orig = RREG32_PIF_PHY1(PB1_PIF_CNTL);
5521 				data &= ~LS2_EXIT_TIME_MASK;
5522 				data |= LS2_EXIT_TIME(1);
5523 				if (data != orig)
5524 					WREG32_PIF_PHY1(PB1_PIF_CNTL, data);
5525 			}
5526 		}
5527 	}
5528 
5529 	/* evergreen parts only */
5530 	if (rdev->family < CHIP_BARTS)
5531 		pcie_lc_cntl |= LC_PMI_TO_L1_DIS;
5532 
5533 	if (pcie_lc_cntl != pcie_lc_cntl_old)
5534 		WREG32_PCIE_PORT(PCIE_LC_CNTL, pcie_lc_cntl);
5535 }
5536