xref: /openbmc/linux/drivers/gpu/drm/radeon/evergreen.c (revision 547840bd)
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 
32 #include "atom.h"
33 #include "avivod.h"
34 #include "evergreen_blit_shaders.h"
35 #include "evergreen_reg.h"
36 #include "evergreend.h"
37 #include "radeon.h"
38 #include "radeon_asic.h"
39 #include "radeon_audio.h"
40 #include "radeon_ucode.h"
41 
42 #define DC_HPDx_CONTROL(x)        (DC_HPD1_CONTROL     + (x * 0xc))
43 #define DC_HPDx_INT_CONTROL(x)    (DC_HPD1_INT_CONTROL + (x * 0xc))
44 #define DC_HPDx_INT_STATUS_REG(x) (DC_HPD1_INT_STATUS  + (x * 0xc))
45 
46 /*
47  * Indirect registers accessor
48  */
49 u32 eg_cg_rreg(struct radeon_device *rdev, u32 reg)
50 {
51 	unsigned long flags;
52 	u32 r;
53 
54 	spin_lock_irqsave(&rdev->cg_idx_lock, flags);
55 	WREG32(EVERGREEN_CG_IND_ADDR, ((reg) & 0xffff));
56 	r = RREG32(EVERGREEN_CG_IND_DATA);
57 	spin_unlock_irqrestore(&rdev->cg_idx_lock, flags);
58 	return r;
59 }
60 
61 void eg_cg_wreg(struct radeon_device *rdev, u32 reg, u32 v)
62 {
63 	unsigned long flags;
64 
65 	spin_lock_irqsave(&rdev->cg_idx_lock, flags);
66 	WREG32(EVERGREEN_CG_IND_ADDR, ((reg) & 0xffff));
67 	WREG32(EVERGREEN_CG_IND_DATA, (v));
68 	spin_unlock_irqrestore(&rdev->cg_idx_lock, flags);
69 }
70 
71 u32 eg_pif_phy0_rreg(struct radeon_device *rdev, u32 reg)
72 {
73 	unsigned long flags;
74 	u32 r;
75 
76 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
77 	WREG32(EVERGREEN_PIF_PHY0_INDEX, ((reg) & 0xffff));
78 	r = RREG32(EVERGREEN_PIF_PHY0_DATA);
79 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
80 	return r;
81 }
82 
83 void eg_pif_phy0_wreg(struct radeon_device *rdev, u32 reg, u32 v)
84 {
85 	unsigned long flags;
86 
87 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
88 	WREG32(EVERGREEN_PIF_PHY0_INDEX, ((reg) & 0xffff));
89 	WREG32(EVERGREEN_PIF_PHY0_DATA, (v));
90 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
91 }
92 
93 u32 eg_pif_phy1_rreg(struct radeon_device *rdev, u32 reg)
94 {
95 	unsigned long flags;
96 	u32 r;
97 
98 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
99 	WREG32(EVERGREEN_PIF_PHY1_INDEX, ((reg) & 0xffff));
100 	r = RREG32(EVERGREEN_PIF_PHY1_DATA);
101 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
102 	return r;
103 }
104 
105 void eg_pif_phy1_wreg(struct radeon_device *rdev, u32 reg, u32 v)
106 {
107 	unsigned long flags;
108 
109 	spin_lock_irqsave(&rdev->pif_idx_lock, flags);
110 	WREG32(EVERGREEN_PIF_PHY1_INDEX, ((reg) & 0xffff));
111 	WREG32(EVERGREEN_PIF_PHY1_DATA, (v));
112 	spin_unlock_irqrestore(&rdev->pif_idx_lock, flags);
113 }
114 
115 static const u32 crtc_offsets[6] =
116 {
117 	EVERGREEN_CRTC0_REGISTER_OFFSET,
118 	EVERGREEN_CRTC1_REGISTER_OFFSET,
119 	EVERGREEN_CRTC2_REGISTER_OFFSET,
120 	EVERGREEN_CRTC3_REGISTER_OFFSET,
121 	EVERGREEN_CRTC4_REGISTER_OFFSET,
122 	EVERGREEN_CRTC5_REGISTER_OFFSET
123 };
124 
125 #include "clearstate_evergreen.h"
126 
127 static const u32 sumo_rlc_save_restore_register_list[] =
128 {
129 	0x98fc,
130 	0x9830,
131 	0x9834,
132 	0x9838,
133 	0x9870,
134 	0x9874,
135 	0x8a14,
136 	0x8b24,
137 	0x8bcc,
138 	0x8b10,
139 	0x8d00,
140 	0x8d04,
141 	0x8c00,
142 	0x8c04,
143 	0x8c08,
144 	0x8c0c,
145 	0x8d8c,
146 	0x8c20,
147 	0x8c24,
148 	0x8c28,
149 	0x8c18,
150 	0x8c1c,
151 	0x8cf0,
152 	0x8e2c,
153 	0x8e38,
154 	0x8c30,
155 	0x9508,
156 	0x9688,
157 	0x9608,
158 	0x960c,
159 	0x9610,
160 	0x9614,
161 	0x88c4,
162 	0x88d4,
163 	0xa008,
164 	0x900c,
165 	0x9100,
166 	0x913c,
167 	0x98f8,
168 	0x98f4,
169 	0x9b7c,
170 	0x3f8c,
171 	0x8950,
172 	0x8954,
173 	0x8a18,
174 	0x8b28,
175 	0x9144,
176 	0x9148,
177 	0x914c,
178 	0x3f90,
179 	0x3f94,
180 	0x915c,
181 	0x9160,
182 	0x9178,
183 	0x917c,
184 	0x9180,
185 	0x918c,
186 	0x9190,
187 	0x9194,
188 	0x9198,
189 	0x919c,
190 	0x91a8,
191 	0x91ac,
192 	0x91b0,
193 	0x91b4,
194 	0x91b8,
195 	0x91c4,
196 	0x91c8,
197 	0x91cc,
198 	0x91d0,
199 	0x91d4,
200 	0x91e0,
201 	0x91e4,
202 	0x91ec,
203 	0x91f0,
204 	0x91f4,
205 	0x9200,
206 	0x9204,
207 	0x929c,
208 	0x9150,
209 	0x802c,
210 };
211 
212 static void evergreen_gpu_init(struct radeon_device *rdev);
213 void evergreen_fini(struct radeon_device *rdev);
214 void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
215 void evergreen_program_aspm(struct radeon_device *rdev);
216 extern void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
217 				     int ring, u32 cp_int_cntl);
218 extern void cayman_vm_decode_fault(struct radeon_device *rdev,
219 				   u32 status, u32 addr);
220 void cik_init_cp_pg_table(struct radeon_device *rdev);
221 
222 extern u32 si_get_csb_size(struct radeon_device *rdev);
223 extern void si_get_csb_buffer(struct radeon_device *rdev, volatile u32 *buffer);
224 extern u32 cik_get_csb_size(struct radeon_device *rdev);
225 extern void cik_get_csb_buffer(struct radeon_device *rdev, volatile u32 *buffer);
226 extern void rv770_set_clk_bypass_mode(struct radeon_device *rdev);
227 
228 static const u32 evergreen_golden_registers[] =
229 {
230 	0x3f90, 0xffff0000, 0xff000000,
231 	0x9148, 0xffff0000, 0xff000000,
232 	0x3f94, 0xffff0000, 0xff000000,
233 	0x914c, 0xffff0000, 0xff000000,
234 	0x9b7c, 0xffffffff, 0x00000000,
235 	0x8a14, 0xffffffff, 0x00000007,
236 	0x8b10, 0xffffffff, 0x00000000,
237 	0x960c, 0xffffffff, 0x54763210,
238 	0x88c4, 0xffffffff, 0x000000c2,
239 	0x88d4, 0xffffffff, 0x00000010,
240 	0x8974, 0xffffffff, 0x00000000,
241 	0xc78, 0x00000080, 0x00000080,
242 	0x5eb4, 0xffffffff, 0x00000002,
243 	0x5e78, 0xffffffff, 0x001000f0,
244 	0x6104, 0x01000300, 0x00000000,
245 	0x5bc0, 0x00300000, 0x00000000,
246 	0x7030, 0xffffffff, 0x00000011,
247 	0x7c30, 0xffffffff, 0x00000011,
248 	0x10830, 0xffffffff, 0x00000011,
249 	0x11430, 0xffffffff, 0x00000011,
250 	0x12030, 0xffffffff, 0x00000011,
251 	0x12c30, 0xffffffff, 0x00000011,
252 	0xd02c, 0xffffffff, 0x08421000,
253 	0x240c, 0xffffffff, 0x00000380,
254 	0x8b24, 0xffffffff, 0x00ff0fff,
255 	0x28a4c, 0x06000000, 0x06000000,
256 	0x10c, 0x00000001, 0x00000001,
257 	0x8d00, 0xffffffff, 0x100e4848,
258 	0x8d04, 0xffffffff, 0x00164745,
259 	0x8c00, 0xffffffff, 0xe4000003,
260 	0x8c04, 0xffffffff, 0x40600060,
261 	0x8c08, 0xffffffff, 0x001c001c,
262 	0x8cf0, 0xffffffff, 0x08e00620,
263 	0x8c20, 0xffffffff, 0x00800080,
264 	0x8c24, 0xffffffff, 0x00800080,
265 	0x8c18, 0xffffffff, 0x20202078,
266 	0x8c1c, 0xffffffff, 0x00001010,
267 	0x28350, 0xffffffff, 0x00000000,
268 	0xa008, 0xffffffff, 0x00010000,
269 	0x5c4, 0xffffffff, 0x00000001,
270 	0x9508, 0xffffffff, 0x00000002,
271 	0x913c, 0x0000000f, 0x0000000a
272 };
273 
274 static const u32 evergreen_golden_registers2[] =
275 {
276 	0x2f4c, 0xffffffff, 0x00000000,
277 	0x54f4, 0xffffffff, 0x00000000,
278 	0x54f0, 0xffffffff, 0x00000000,
279 	0x5498, 0xffffffff, 0x00000000,
280 	0x549c, 0xffffffff, 0x00000000,
281 	0x5494, 0xffffffff, 0x00000000,
282 	0x53cc, 0xffffffff, 0x00000000,
283 	0x53c8, 0xffffffff, 0x00000000,
284 	0x53c4, 0xffffffff, 0x00000000,
285 	0x53c0, 0xffffffff, 0x00000000,
286 	0x53bc, 0xffffffff, 0x00000000,
287 	0x53b8, 0xffffffff, 0x00000000,
288 	0x53b4, 0xffffffff, 0x00000000,
289 	0x53b0, 0xffffffff, 0x00000000
290 };
291 
292 static const u32 cypress_mgcg_init[] =
293 {
294 	0x802c, 0xffffffff, 0xc0000000,
295 	0x5448, 0xffffffff, 0x00000100,
296 	0x55e4, 0xffffffff, 0x00000100,
297 	0x160c, 0xffffffff, 0x00000100,
298 	0x5644, 0xffffffff, 0x00000100,
299 	0xc164, 0xffffffff, 0x00000100,
300 	0x8a18, 0xffffffff, 0x00000100,
301 	0x897c, 0xffffffff, 0x06000100,
302 	0x8b28, 0xffffffff, 0x00000100,
303 	0x9144, 0xffffffff, 0x00000100,
304 	0x9a60, 0xffffffff, 0x00000100,
305 	0x9868, 0xffffffff, 0x00000100,
306 	0x8d58, 0xffffffff, 0x00000100,
307 	0x9510, 0xffffffff, 0x00000100,
308 	0x949c, 0xffffffff, 0x00000100,
309 	0x9654, 0xffffffff, 0x00000100,
310 	0x9030, 0xffffffff, 0x00000100,
311 	0x9034, 0xffffffff, 0x00000100,
312 	0x9038, 0xffffffff, 0x00000100,
313 	0x903c, 0xffffffff, 0x00000100,
314 	0x9040, 0xffffffff, 0x00000100,
315 	0xa200, 0xffffffff, 0x00000100,
316 	0xa204, 0xffffffff, 0x00000100,
317 	0xa208, 0xffffffff, 0x00000100,
318 	0xa20c, 0xffffffff, 0x00000100,
319 	0x971c, 0xffffffff, 0x00000100,
320 	0x977c, 0xffffffff, 0x00000100,
321 	0x3f80, 0xffffffff, 0x00000100,
322 	0xa210, 0xffffffff, 0x00000100,
323 	0xa214, 0xffffffff, 0x00000100,
324 	0x4d8, 0xffffffff, 0x00000100,
325 	0x9784, 0xffffffff, 0x00000100,
326 	0x9698, 0xffffffff, 0x00000100,
327 	0x4d4, 0xffffffff, 0x00000200,
328 	0x30cc, 0xffffffff, 0x00000100,
329 	0xd0c0, 0xffffffff, 0xff000100,
330 	0x802c, 0xffffffff, 0x40000000,
331 	0x915c, 0xffffffff, 0x00010000,
332 	0x9160, 0xffffffff, 0x00030002,
333 	0x9178, 0xffffffff, 0x00070000,
334 	0x917c, 0xffffffff, 0x00030002,
335 	0x9180, 0xffffffff, 0x00050004,
336 	0x918c, 0xffffffff, 0x00010006,
337 	0x9190, 0xffffffff, 0x00090008,
338 	0x9194, 0xffffffff, 0x00070000,
339 	0x9198, 0xffffffff, 0x00030002,
340 	0x919c, 0xffffffff, 0x00050004,
341 	0x91a8, 0xffffffff, 0x00010006,
342 	0x91ac, 0xffffffff, 0x00090008,
343 	0x91b0, 0xffffffff, 0x00070000,
344 	0x91b4, 0xffffffff, 0x00030002,
345 	0x91b8, 0xffffffff, 0x00050004,
346 	0x91c4, 0xffffffff, 0x00010006,
347 	0x91c8, 0xffffffff, 0x00090008,
348 	0x91cc, 0xffffffff, 0x00070000,
349 	0x91d0, 0xffffffff, 0x00030002,
350 	0x91d4, 0xffffffff, 0x00050004,
351 	0x91e0, 0xffffffff, 0x00010006,
352 	0x91e4, 0xffffffff, 0x00090008,
353 	0x91e8, 0xffffffff, 0x00000000,
354 	0x91ec, 0xffffffff, 0x00070000,
355 	0x91f0, 0xffffffff, 0x00030002,
356 	0x91f4, 0xffffffff, 0x00050004,
357 	0x9200, 0xffffffff, 0x00010006,
358 	0x9204, 0xffffffff, 0x00090008,
359 	0x9208, 0xffffffff, 0x00070000,
360 	0x920c, 0xffffffff, 0x00030002,
361 	0x9210, 0xffffffff, 0x00050004,
362 	0x921c, 0xffffffff, 0x00010006,
363 	0x9220, 0xffffffff, 0x00090008,
364 	0x9224, 0xffffffff, 0x00070000,
365 	0x9228, 0xffffffff, 0x00030002,
366 	0x922c, 0xffffffff, 0x00050004,
367 	0x9238, 0xffffffff, 0x00010006,
368 	0x923c, 0xffffffff, 0x00090008,
369 	0x9240, 0xffffffff, 0x00070000,
370 	0x9244, 0xffffffff, 0x00030002,
371 	0x9248, 0xffffffff, 0x00050004,
372 	0x9254, 0xffffffff, 0x00010006,
373 	0x9258, 0xffffffff, 0x00090008,
374 	0x925c, 0xffffffff, 0x00070000,
375 	0x9260, 0xffffffff, 0x00030002,
376 	0x9264, 0xffffffff, 0x00050004,
377 	0x9270, 0xffffffff, 0x00010006,
378 	0x9274, 0xffffffff, 0x00090008,
379 	0x9278, 0xffffffff, 0x00070000,
380 	0x927c, 0xffffffff, 0x00030002,
381 	0x9280, 0xffffffff, 0x00050004,
382 	0x928c, 0xffffffff, 0x00010006,
383 	0x9290, 0xffffffff, 0x00090008,
384 	0x9294, 0xffffffff, 0x00000000,
385 	0x929c, 0xffffffff, 0x00000001,
386 	0x802c, 0xffffffff, 0x40010000,
387 	0x915c, 0xffffffff, 0x00010000,
388 	0x9160, 0xffffffff, 0x00030002,
389 	0x9178, 0xffffffff, 0x00070000,
390 	0x917c, 0xffffffff, 0x00030002,
391 	0x9180, 0xffffffff, 0x00050004,
392 	0x918c, 0xffffffff, 0x00010006,
393 	0x9190, 0xffffffff, 0x00090008,
394 	0x9194, 0xffffffff, 0x00070000,
395 	0x9198, 0xffffffff, 0x00030002,
396 	0x919c, 0xffffffff, 0x00050004,
397 	0x91a8, 0xffffffff, 0x00010006,
398 	0x91ac, 0xffffffff, 0x00090008,
399 	0x91b0, 0xffffffff, 0x00070000,
400 	0x91b4, 0xffffffff, 0x00030002,
401 	0x91b8, 0xffffffff, 0x00050004,
402 	0x91c4, 0xffffffff, 0x00010006,
403 	0x91c8, 0xffffffff, 0x00090008,
404 	0x91cc, 0xffffffff, 0x00070000,
405 	0x91d0, 0xffffffff, 0x00030002,
406 	0x91d4, 0xffffffff, 0x00050004,
407 	0x91e0, 0xffffffff, 0x00010006,
408 	0x91e4, 0xffffffff, 0x00090008,
409 	0x91e8, 0xffffffff, 0x00000000,
410 	0x91ec, 0xffffffff, 0x00070000,
411 	0x91f0, 0xffffffff, 0x00030002,
412 	0x91f4, 0xffffffff, 0x00050004,
413 	0x9200, 0xffffffff, 0x00010006,
414 	0x9204, 0xffffffff, 0x00090008,
415 	0x9208, 0xffffffff, 0x00070000,
416 	0x920c, 0xffffffff, 0x00030002,
417 	0x9210, 0xffffffff, 0x00050004,
418 	0x921c, 0xffffffff, 0x00010006,
419 	0x9220, 0xffffffff, 0x00090008,
420 	0x9224, 0xffffffff, 0x00070000,
421 	0x9228, 0xffffffff, 0x00030002,
422 	0x922c, 0xffffffff, 0x00050004,
423 	0x9238, 0xffffffff, 0x00010006,
424 	0x923c, 0xffffffff, 0x00090008,
425 	0x9240, 0xffffffff, 0x00070000,
426 	0x9244, 0xffffffff, 0x00030002,
427 	0x9248, 0xffffffff, 0x00050004,
428 	0x9254, 0xffffffff, 0x00010006,
429 	0x9258, 0xffffffff, 0x00090008,
430 	0x925c, 0xffffffff, 0x00070000,
431 	0x9260, 0xffffffff, 0x00030002,
432 	0x9264, 0xffffffff, 0x00050004,
433 	0x9270, 0xffffffff, 0x00010006,
434 	0x9274, 0xffffffff, 0x00090008,
435 	0x9278, 0xffffffff, 0x00070000,
436 	0x927c, 0xffffffff, 0x00030002,
437 	0x9280, 0xffffffff, 0x00050004,
438 	0x928c, 0xffffffff, 0x00010006,
439 	0x9290, 0xffffffff, 0x00090008,
440 	0x9294, 0xffffffff, 0x00000000,
441 	0x929c, 0xffffffff, 0x00000001,
442 	0x802c, 0xffffffff, 0xc0000000
443 };
444 
445 static const u32 redwood_mgcg_init[] =
446 {
447 	0x802c, 0xffffffff, 0xc0000000,
448 	0x5448, 0xffffffff, 0x00000100,
449 	0x55e4, 0xffffffff, 0x00000100,
450 	0x160c, 0xffffffff, 0x00000100,
451 	0x5644, 0xffffffff, 0x00000100,
452 	0xc164, 0xffffffff, 0x00000100,
453 	0x8a18, 0xffffffff, 0x00000100,
454 	0x897c, 0xffffffff, 0x06000100,
455 	0x8b28, 0xffffffff, 0x00000100,
456 	0x9144, 0xffffffff, 0x00000100,
457 	0x9a60, 0xffffffff, 0x00000100,
458 	0x9868, 0xffffffff, 0x00000100,
459 	0x8d58, 0xffffffff, 0x00000100,
460 	0x9510, 0xffffffff, 0x00000100,
461 	0x949c, 0xffffffff, 0x00000100,
462 	0x9654, 0xffffffff, 0x00000100,
463 	0x9030, 0xffffffff, 0x00000100,
464 	0x9034, 0xffffffff, 0x00000100,
465 	0x9038, 0xffffffff, 0x00000100,
466 	0x903c, 0xffffffff, 0x00000100,
467 	0x9040, 0xffffffff, 0x00000100,
468 	0xa200, 0xffffffff, 0x00000100,
469 	0xa204, 0xffffffff, 0x00000100,
470 	0xa208, 0xffffffff, 0x00000100,
471 	0xa20c, 0xffffffff, 0x00000100,
472 	0x971c, 0xffffffff, 0x00000100,
473 	0x977c, 0xffffffff, 0x00000100,
474 	0x3f80, 0xffffffff, 0x00000100,
475 	0xa210, 0xffffffff, 0x00000100,
476 	0xa214, 0xffffffff, 0x00000100,
477 	0x4d8, 0xffffffff, 0x00000100,
478 	0x9784, 0xffffffff, 0x00000100,
479 	0x9698, 0xffffffff, 0x00000100,
480 	0x4d4, 0xffffffff, 0x00000200,
481 	0x30cc, 0xffffffff, 0x00000100,
482 	0xd0c0, 0xffffffff, 0xff000100,
483 	0x802c, 0xffffffff, 0x40000000,
484 	0x915c, 0xffffffff, 0x00010000,
485 	0x9160, 0xffffffff, 0x00030002,
486 	0x9178, 0xffffffff, 0x00070000,
487 	0x917c, 0xffffffff, 0x00030002,
488 	0x9180, 0xffffffff, 0x00050004,
489 	0x918c, 0xffffffff, 0x00010006,
490 	0x9190, 0xffffffff, 0x00090008,
491 	0x9194, 0xffffffff, 0x00070000,
492 	0x9198, 0xffffffff, 0x00030002,
493 	0x919c, 0xffffffff, 0x00050004,
494 	0x91a8, 0xffffffff, 0x00010006,
495 	0x91ac, 0xffffffff, 0x00090008,
496 	0x91b0, 0xffffffff, 0x00070000,
497 	0x91b4, 0xffffffff, 0x00030002,
498 	0x91b8, 0xffffffff, 0x00050004,
499 	0x91c4, 0xffffffff, 0x00010006,
500 	0x91c8, 0xffffffff, 0x00090008,
501 	0x91cc, 0xffffffff, 0x00070000,
502 	0x91d0, 0xffffffff, 0x00030002,
503 	0x91d4, 0xffffffff, 0x00050004,
504 	0x91e0, 0xffffffff, 0x00010006,
505 	0x91e4, 0xffffffff, 0x00090008,
506 	0x91e8, 0xffffffff, 0x00000000,
507 	0x91ec, 0xffffffff, 0x00070000,
508 	0x91f0, 0xffffffff, 0x00030002,
509 	0x91f4, 0xffffffff, 0x00050004,
510 	0x9200, 0xffffffff, 0x00010006,
511 	0x9204, 0xffffffff, 0x00090008,
512 	0x9294, 0xffffffff, 0x00000000,
513 	0x929c, 0xffffffff, 0x00000001,
514 	0x802c, 0xffffffff, 0xc0000000
515 };
516 
517 static const u32 cedar_golden_registers[] =
518 {
519 	0x3f90, 0xffff0000, 0xff000000,
520 	0x9148, 0xffff0000, 0xff000000,
521 	0x3f94, 0xffff0000, 0xff000000,
522 	0x914c, 0xffff0000, 0xff000000,
523 	0x9b7c, 0xffffffff, 0x00000000,
524 	0x8a14, 0xffffffff, 0x00000007,
525 	0x8b10, 0xffffffff, 0x00000000,
526 	0x960c, 0xffffffff, 0x54763210,
527 	0x88c4, 0xffffffff, 0x000000c2,
528 	0x88d4, 0xffffffff, 0x00000000,
529 	0x8974, 0xffffffff, 0x00000000,
530 	0xc78, 0x00000080, 0x00000080,
531 	0x5eb4, 0xffffffff, 0x00000002,
532 	0x5e78, 0xffffffff, 0x001000f0,
533 	0x6104, 0x01000300, 0x00000000,
534 	0x5bc0, 0x00300000, 0x00000000,
535 	0x7030, 0xffffffff, 0x00000011,
536 	0x7c30, 0xffffffff, 0x00000011,
537 	0x10830, 0xffffffff, 0x00000011,
538 	0x11430, 0xffffffff, 0x00000011,
539 	0xd02c, 0xffffffff, 0x08421000,
540 	0x240c, 0xffffffff, 0x00000380,
541 	0x8b24, 0xffffffff, 0x00ff0fff,
542 	0x28a4c, 0x06000000, 0x06000000,
543 	0x10c, 0x00000001, 0x00000001,
544 	0x8d00, 0xffffffff, 0x100e4848,
545 	0x8d04, 0xffffffff, 0x00164745,
546 	0x8c00, 0xffffffff, 0xe4000003,
547 	0x8c04, 0xffffffff, 0x40600060,
548 	0x8c08, 0xffffffff, 0x001c001c,
549 	0x8cf0, 0xffffffff, 0x08e00410,
550 	0x8c20, 0xffffffff, 0x00800080,
551 	0x8c24, 0xffffffff, 0x00800080,
552 	0x8c18, 0xffffffff, 0x20202078,
553 	0x8c1c, 0xffffffff, 0x00001010,
554 	0x28350, 0xffffffff, 0x00000000,
555 	0xa008, 0xffffffff, 0x00010000,
556 	0x5c4, 0xffffffff, 0x00000001,
557 	0x9508, 0xffffffff, 0x00000002
558 };
559 
560 static const u32 cedar_mgcg_init[] =
561 {
562 	0x802c, 0xffffffff, 0xc0000000,
563 	0x5448, 0xffffffff, 0x00000100,
564 	0x55e4, 0xffffffff, 0x00000100,
565 	0x160c, 0xffffffff, 0x00000100,
566 	0x5644, 0xffffffff, 0x00000100,
567 	0xc164, 0xffffffff, 0x00000100,
568 	0x8a18, 0xffffffff, 0x00000100,
569 	0x897c, 0xffffffff, 0x06000100,
570 	0x8b28, 0xffffffff, 0x00000100,
571 	0x9144, 0xffffffff, 0x00000100,
572 	0x9a60, 0xffffffff, 0x00000100,
573 	0x9868, 0xffffffff, 0x00000100,
574 	0x8d58, 0xffffffff, 0x00000100,
575 	0x9510, 0xffffffff, 0x00000100,
576 	0x949c, 0xffffffff, 0x00000100,
577 	0x9654, 0xffffffff, 0x00000100,
578 	0x9030, 0xffffffff, 0x00000100,
579 	0x9034, 0xffffffff, 0x00000100,
580 	0x9038, 0xffffffff, 0x00000100,
581 	0x903c, 0xffffffff, 0x00000100,
582 	0x9040, 0xffffffff, 0x00000100,
583 	0xa200, 0xffffffff, 0x00000100,
584 	0xa204, 0xffffffff, 0x00000100,
585 	0xa208, 0xffffffff, 0x00000100,
586 	0xa20c, 0xffffffff, 0x00000100,
587 	0x971c, 0xffffffff, 0x00000100,
588 	0x977c, 0xffffffff, 0x00000100,
589 	0x3f80, 0xffffffff, 0x00000100,
590 	0xa210, 0xffffffff, 0x00000100,
591 	0xa214, 0xffffffff, 0x00000100,
592 	0x4d8, 0xffffffff, 0x00000100,
593 	0x9784, 0xffffffff, 0x00000100,
594 	0x9698, 0xffffffff, 0x00000100,
595 	0x4d4, 0xffffffff, 0x00000200,
596 	0x30cc, 0xffffffff, 0x00000100,
597 	0xd0c0, 0xffffffff, 0xff000100,
598 	0x802c, 0xffffffff, 0x40000000,
599 	0x915c, 0xffffffff, 0x00010000,
600 	0x9178, 0xffffffff, 0x00050000,
601 	0x917c, 0xffffffff, 0x00030002,
602 	0x918c, 0xffffffff, 0x00010004,
603 	0x9190, 0xffffffff, 0x00070006,
604 	0x9194, 0xffffffff, 0x00050000,
605 	0x9198, 0xffffffff, 0x00030002,
606 	0x91a8, 0xffffffff, 0x00010004,
607 	0x91ac, 0xffffffff, 0x00070006,
608 	0x91e8, 0xffffffff, 0x00000000,
609 	0x9294, 0xffffffff, 0x00000000,
610 	0x929c, 0xffffffff, 0x00000001,
611 	0x802c, 0xffffffff, 0xc0000000
612 };
613 
614 static const u32 juniper_mgcg_init[] =
615 {
616 	0x802c, 0xffffffff, 0xc0000000,
617 	0x5448, 0xffffffff, 0x00000100,
618 	0x55e4, 0xffffffff, 0x00000100,
619 	0x160c, 0xffffffff, 0x00000100,
620 	0x5644, 0xffffffff, 0x00000100,
621 	0xc164, 0xffffffff, 0x00000100,
622 	0x8a18, 0xffffffff, 0x00000100,
623 	0x897c, 0xffffffff, 0x06000100,
624 	0x8b28, 0xffffffff, 0x00000100,
625 	0x9144, 0xffffffff, 0x00000100,
626 	0x9a60, 0xffffffff, 0x00000100,
627 	0x9868, 0xffffffff, 0x00000100,
628 	0x8d58, 0xffffffff, 0x00000100,
629 	0x9510, 0xffffffff, 0x00000100,
630 	0x949c, 0xffffffff, 0x00000100,
631 	0x9654, 0xffffffff, 0x00000100,
632 	0x9030, 0xffffffff, 0x00000100,
633 	0x9034, 0xffffffff, 0x00000100,
634 	0x9038, 0xffffffff, 0x00000100,
635 	0x903c, 0xffffffff, 0x00000100,
636 	0x9040, 0xffffffff, 0x00000100,
637 	0xa200, 0xffffffff, 0x00000100,
638 	0xa204, 0xffffffff, 0x00000100,
639 	0xa208, 0xffffffff, 0x00000100,
640 	0xa20c, 0xffffffff, 0x00000100,
641 	0x971c, 0xffffffff, 0x00000100,
642 	0xd0c0, 0xffffffff, 0xff000100,
643 	0x802c, 0xffffffff, 0x40000000,
644 	0x915c, 0xffffffff, 0x00010000,
645 	0x9160, 0xffffffff, 0x00030002,
646 	0x9178, 0xffffffff, 0x00070000,
647 	0x917c, 0xffffffff, 0x00030002,
648 	0x9180, 0xffffffff, 0x00050004,
649 	0x918c, 0xffffffff, 0x00010006,
650 	0x9190, 0xffffffff, 0x00090008,
651 	0x9194, 0xffffffff, 0x00070000,
652 	0x9198, 0xffffffff, 0x00030002,
653 	0x919c, 0xffffffff, 0x00050004,
654 	0x91a8, 0xffffffff, 0x00010006,
655 	0x91ac, 0xffffffff, 0x00090008,
656 	0x91b0, 0xffffffff, 0x00070000,
657 	0x91b4, 0xffffffff, 0x00030002,
658 	0x91b8, 0xffffffff, 0x00050004,
659 	0x91c4, 0xffffffff, 0x00010006,
660 	0x91c8, 0xffffffff, 0x00090008,
661 	0x91cc, 0xffffffff, 0x00070000,
662 	0x91d0, 0xffffffff, 0x00030002,
663 	0x91d4, 0xffffffff, 0x00050004,
664 	0x91e0, 0xffffffff, 0x00010006,
665 	0x91e4, 0xffffffff, 0x00090008,
666 	0x91e8, 0xffffffff, 0x00000000,
667 	0x91ec, 0xffffffff, 0x00070000,
668 	0x91f0, 0xffffffff, 0x00030002,
669 	0x91f4, 0xffffffff, 0x00050004,
670 	0x9200, 0xffffffff, 0x00010006,
671 	0x9204, 0xffffffff, 0x00090008,
672 	0x9208, 0xffffffff, 0x00070000,
673 	0x920c, 0xffffffff, 0x00030002,
674 	0x9210, 0xffffffff, 0x00050004,
675 	0x921c, 0xffffffff, 0x00010006,
676 	0x9220, 0xffffffff, 0x00090008,
677 	0x9224, 0xffffffff, 0x00070000,
678 	0x9228, 0xffffffff, 0x00030002,
679 	0x922c, 0xffffffff, 0x00050004,
680 	0x9238, 0xffffffff, 0x00010006,
681 	0x923c, 0xffffffff, 0x00090008,
682 	0x9240, 0xffffffff, 0x00070000,
683 	0x9244, 0xffffffff, 0x00030002,
684 	0x9248, 0xffffffff, 0x00050004,
685 	0x9254, 0xffffffff, 0x00010006,
686 	0x9258, 0xffffffff, 0x00090008,
687 	0x925c, 0xffffffff, 0x00070000,
688 	0x9260, 0xffffffff, 0x00030002,
689 	0x9264, 0xffffffff, 0x00050004,
690 	0x9270, 0xffffffff, 0x00010006,
691 	0x9274, 0xffffffff, 0x00090008,
692 	0x9278, 0xffffffff, 0x00070000,
693 	0x927c, 0xffffffff, 0x00030002,
694 	0x9280, 0xffffffff, 0x00050004,
695 	0x928c, 0xffffffff, 0x00010006,
696 	0x9290, 0xffffffff, 0x00090008,
697 	0x9294, 0xffffffff, 0x00000000,
698 	0x929c, 0xffffffff, 0x00000001,
699 	0x802c, 0xffffffff, 0xc0000000,
700 	0x977c, 0xffffffff, 0x00000100,
701 	0x3f80, 0xffffffff, 0x00000100,
702 	0xa210, 0xffffffff, 0x00000100,
703 	0xa214, 0xffffffff, 0x00000100,
704 	0x4d8, 0xffffffff, 0x00000100,
705 	0x9784, 0xffffffff, 0x00000100,
706 	0x9698, 0xffffffff, 0x00000100,
707 	0x4d4, 0xffffffff, 0x00000200,
708 	0x30cc, 0xffffffff, 0x00000100,
709 	0x802c, 0xffffffff, 0xc0000000
710 };
711 
712 static const u32 supersumo_golden_registers[] =
713 {
714 	0x5eb4, 0xffffffff, 0x00000002,
715 	0x5c4, 0xffffffff, 0x00000001,
716 	0x7030, 0xffffffff, 0x00000011,
717 	0x7c30, 0xffffffff, 0x00000011,
718 	0x6104, 0x01000300, 0x00000000,
719 	0x5bc0, 0x00300000, 0x00000000,
720 	0x8c04, 0xffffffff, 0x40600060,
721 	0x8c08, 0xffffffff, 0x001c001c,
722 	0x8c20, 0xffffffff, 0x00800080,
723 	0x8c24, 0xffffffff, 0x00800080,
724 	0x8c18, 0xffffffff, 0x20202078,
725 	0x8c1c, 0xffffffff, 0x00001010,
726 	0x918c, 0xffffffff, 0x00010006,
727 	0x91a8, 0xffffffff, 0x00010006,
728 	0x91c4, 0xffffffff, 0x00010006,
729 	0x91e0, 0xffffffff, 0x00010006,
730 	0x9200, 0xffffffff, 0x00010006,
731 	0x9150, 0xffffffff, 0x6e944040,
732 	0x917c, 0xffffffff, 0x00030002,
733 	0x9180, 0xffffffff, 0x00050004,
734 	0x9198, 0xffffffff, 0x00030002,
735 	0x919c, 0xffffffff, 0x00050004,
736 	0x91b4, 0xffffffff, 0x00030002,
737 	0x91b8, 0xffffffff, 0x00050004,
738 	0x91d0, 0xffffffff, 0x00030002,
739 	0x91d4, 0xffffffff, 0x00050004,
740 	0x91f0, 0xffffffff, 0x00030002,
741 	0x91f4, 0xffffffff, 0x00050004,
742 	0x915c, 0xffffffff, 0x00010000,
743 	0x9160, 0xffffffff, 0x00030002,
744 	0x3f90, 0xffff0000, 0xff000000,
745 	0x9178, 0xffffffff, 0x00070000,
746 	0x9194, 0xffffffff, 0x00070000,
747 	0x91b0, 0xffffffff, 0x00070000,
748 	0x91cc, 0xffffffff, 0x00070000,
749 	0x91ec, 0xffffffff, 0x00070000,
750 	0x9148, 0xffff0000, 0xff000000,
751 	0x9190, 0xffffffff, 0x00090008,
752 	0x91ac, 0xffffffff, 0x00090008,
753 	0x91c8, 0xffffffff, 0x00090008,
754 	0x91e4, 0xffffffff, 0x00090008,
755 	0x9204, 0xffffffff, 0x00090008,
756 	0x3f94, 0xffff0000, 0xff000000,
757 	0x914c, 0xffff0000, 0xff000000,
758 	0x929c, 0xffffffff, 0x00000001,
759 	0x8a18, 0xffffffff, 0x00000100,
760 	0x8b28, 0xffffffff, 0x00000100,
761 	0x9144, 0xffffffff, 0x00000100,
762 	0x5644, 0xffffffff, 0x00000100,
763 	0x9b7c, 0xffffffff, 0x00000000,
764 	0x8030, 0xffffffff, 0x0000100a,
765 	0x8a14, 0xffffffff, 0x00000007,
766 	0x8b24, 0xffffffff, 0x00ff0fff,
767 	0x8b10, 0xffffffff, 0x00000000,
768 	0x28a4c, 0x06000000, 0x06000000,
769 	0x4d8, 0xffffffff, 0x00000100,
770 	0x913c, 0xffff000f, 0x0100000a,
771 	0x960c, 0xffffffff, 0x54763210,
772 	0x88c4, 0xffffffff, 0x000000c2,
773 	0x88d4, 0xffffffff, 0x00000010,
774 	0x8974, 0xffffffff, 0x00000000,
775 	0xc78, 0x00000080, 0x00000080,
776 	0x5e78, 0xffffffff, 0x001000f0,
777 	0xd02c, 0xffffffff, 0x08421000,
778 	0xa008, 0xffffffff, 0x00010000,
779 	0x8d00, 0xffffffff, 0x100e4848,
780 	0x8d04, 0xffffffff, 0x00164745,
781 	0x8c00, 0xffffffff, 0xe4000003,
782 	0x8cf0, 0x1fffffff, 0x08e00620,
783 	0x28350, 0xffffffff, 0x00000000,
784 	0x9508, 0xffffffff, 0x00000002
785 };
786 
787 static const u32 sumo_golden_registers[] =
788 {
789 	0x900c, 0x00ffffff, 0x0017071f,
790 	0x8c18, 0xffffffff, 0x10101060,
791 	0x8c1c, 0xffffffff, 0x00001010,
792 	0x8c30, 0x0000000f, 0x00000005,
793 	0x9688, 0x0000000f, 0x00000007
794 };
795 
796 static const u32 wrestler_golden_registers[] =
797 {
798 	0x5eb4, 0xffffffff, 0x00000002,
799 	0x5c4, 0xffffffff, 0x00000001,
800 	0x7030, 0xffffffff, 0x00000011,
801 	0x7c30, 0xffffffff, 0x00000011,
802 	0x6104, 0x01000300, 0x00000000,
803 	0x5bc0, 0x00300000, 0x00000000,
804 	0x918c, 0xffffffff, 0x00010006,
805 	0x91a8, 0xffffffff, 0x00010006,
806 	0x9150, 0xffffffff, 0x6e944040,
807 	0x917c, 0xffffffff, 0x00030002,
808 	0x9198, 0xffffffff, 0x00030002,
809 	0x915c, 0xffffffff, 0x00010000,
810 	0x3f90, 0xffff0000, 0xff000000,
811 	0x9178, 0xffffffff, 0x00070000,
812 	0x9194, 0xffffffff, 0x00070000,
813 	0x9148, 0xffff0000, 0xff000000,
814 	0x9190, 0xffffffff, 0x00090008,
815 	0x91ac, 0xffffffff, 0x00090008,
816 	0x3f94, 0xffff0000, 0xff000000,
817 	0x914c, 0xffff0000, 0xff000000,
818 	0x929c, 0xffffffff, 0x00000001,
819 	0x8a18, 0xffffffff, 0x00000100,
820 	0x8b28, 0xffffffff, 0x00000100,
821 	0x9144, 0xffffffff, 0x00000100,
822 	0x9b7c, 0xffffffff, 0x00000000,
823 	0x8030, 0xffffffff, 0x0000100a,
824 	0x8a14, 0xffffffff, 0x00000001,
825 	0x8b24, 0xffffffff, 0x00ff0fff,
826 	0x8b10, 0xffffffff, 0x00000000,
827 	0x28a4c, 0x06000000, 0x06000000,
828 	0x4d8, 0xffffffff, 0x00000100,
829 	0x913c, 0xffff000f, 0x0100000a,
830 	0x960c, 0xffffffff, 0x54763210,
831 	0x88c4, 0xffffffff, 0x000000c2,
832 	0x88d4, 0xffffffff, 0x00000010,
833 	0x8974, 0xffffffff, 0x00000000,
834 	0xc78, 0x00000080, 0x00000080,
835 	0x5e78, 0xffffffff, 0x001000f0,
836 	0xd02c, 0xffffffff, 0x08421000,
837 	0xa008, 0xffffffff, 0x00010000,
838 	0x8d00, 0xffffffff, 0x100e4848,
839 	0x8d04, 0xffffffff, 0x00164745,
840 	0x8c00, 0xffffffff, 0xe4000003,
841 	0x8cf0, 0x1fffffff, 0x08e00410,
842 	0x28350, 0xffffffff, 0x00000000,
843 	0x9508, 0xffffffff, 0x00000002,
844 	0x900c, 0xffffffff, 0x0017071f,
845 	0x8c18, 0xffffffff, 0x10101060,
846 	0x8c1c, 0xffffffff, 0x00001010
847 };
848 
849 static const u32 barts_golden_registers[] =
850 {
851 	0x5eb4, 0xffffffff, 0x00000002,
852 	0x5e78, 0x8f311ff1, 0x001000f0,
853 	0x3f90, 0xffff0000, 0xff000000,
854 	0x9148, 0xffff0000, 0xff000000,
855 	0x3f94, 0xffff0000, 0xff000000,
856 	0x914c, 0xffff0000, 0xff000000,
857 	0xc78, 0x00000080, 0x00000080,
858 	0xbd4, 0x70073777, 0x00010001,
859 	0xd02c, 0xbfffff1f, 0x08421000,
860 	0xd0b8, 0x03773777, 0x02011003,
861 	0x5bc0, 0x00200000, 0x50100000,
862 	0x98f8, 0x33773777, 0x02011003,
863 	0x98fc, 0xffffffff, 0x76543210,
864 	0x7030, 0x31000311, 0x00000011,
865 	0x2f48, 0x00000007, 0x02011003,
866 	0x6b28, 0x00000010, 0x00000012,
867 	0x7728, 0x00000010, 0x00000012,
868 	0x10328, 0x00000010, 0x00000012,
869 	0x10f28, 0x00000010, 0x00000012,
870 	0x11b28, 0x00000010, 0x00000012,
871 	0x12728, 0x00000010, 0x00000012,
872 	0x240c, 0x000007ff, 0x00000380,
873 	0x8a14, 0xf000001f, 0x00000007,
874 	0x8b24, 0x3fff3fff, 0x00ff0fff,
875 	0x8b10, 0x0000ff0f, 0x00000000,
876 	0x28a4c, 0x07ffffff, 0x06000000,
877 	0x10c, 0x00000001, 0x00010003,
878 	0xa02c, 0xffffffff, 0x0000009b,
879 	0x913c, 0x0000000f, 0x0100000a,
880 	0x8d00, 0xffff7f7f, 0x100e4848,
881 	0x8d04, 0x00ffffff, 0x00164745,
882 	0x8c00, 0xfffc0003, 0xe4000003,
883 	0x8c04, 0xf8ff00ff, 0x40600060,
884 	0x8c08, 0x00ff00ff, 0x001c001c,
885 	0x8cf0, 0x1fff1fff, 0x08e00620,
886 	0x8c20, 0x0fff0fff, 0x00800080,
887 	0x8c24, 0x0fff0fff, 0x00800080,
888 	0x8c18, 0xffffffff, 0x20202078,
889 	0x8c1c, 0x0000ffff, 0x00001010,
890 	0x28350, 0x00000f01, 0x00000000,
891 	0x9508, 0x3700001f, 0x00000002,
892 	0x960c, 0xffffffff, 0x54763210,
893 	0x88c4, 0x001f3ae3, 0x000000c2,
894 	0x88d4, 0x0000001f, 0x00000010,
895 	0x8974, 0xffffffff, 0x00000000
896 };
897 
898 static const u32 turks_golden_registers[] =
899 {
900 	0x5eb4, 0xffffffff, 0x00000002,
901 	0x5e78, 0x8f311ff1, 0x001000f0,
902 	0x8c8, 0x00003000, 0x00001070,
903 	0x8cc, 0x000fffff, 0x00040035,
904 	0x3f90, 0xffff0000, 0xfff00000,
905 	0x9148, 0xffff0000, 0xfff00000,
906 	0x3f94, 0xffff0000, 0xfff00000,
907 	0x914c, 0xffff0000, 0xfff00000,
908 	0xc78, 0x00000080, 0x00000080,
909 	0xbd4, 0x00073007, 0x00010002,
910 	0xd02c, 0xbfffff1f, 0x08421000,
911 	0xd0b8, 0x03773777, 0x02010002,
912 	0x5bc0, 0x00200000, 0x50100000,
913 	0x98f8, 0x33773777, 0x00010002,
914 	0x98fc, 0xffffffff, 0x33221100,
915 	0x7030, 0x31000311, 0x00000011,
916 	0x2f48, 0x33773777, 0x00010002,
917 	0x6b28, 0x00000010, 0x00000012,
918 	0x7728, 0x00000010, 0x00000012,
919 	0x10328, 0x00000010, 0x00000012,
920 	0x10f28, 0x00000010, 0x00000012,
921 	0x11b28, 0x00000010, 0x00000012,
922 	0x12728, 0x00000010, 0x00000012,
923 	0x240c, 0x000007ff, 0x00000380,
924 	0x8a14, 0xf000001f, 0x00000007,
925 	0x8b24, 0x3fff3fff, 0x00ff0fff,
926 	0x8b10, 0x0000ff0f, 0x00000000,
927 	0x28a4c, 0x07ffffff, 0x06000000,
928 	0x10c, 0x00000001, 0x00010003,
929 	0xa02c, 0xffffffff, 0x0000009b,
930 	0x913c, 0x0000000f, 0x0100000a,
931 	0x8d00, 0xffff7f7f, 0x100e4848,
932 	0x8d04, 0x00ffffff, 0x00164745,
933 	0x8c00, 0xfffc0003, 0xe4000003,
934 	0x8c04, 0xf8ff00ff, 0x40600060,
935 	0x8c08, 0x00ff00ff, 0x001c001c,
936 	0x8cf0, 0x1fff1fff, 0x08e00410,
937 	0x8c20, 0x0fff0fff, 0x00800080,
938 	0x8c24, 0x0fff0fff, 0x00800080,
939 	0x8c18, 0xffffffff, 0x20202078,
940 	0x8c1c, 0x0000ffff, 0x00001010,
941 	0x28350, 0x00000f01, 0x00000000,
942 	0x9508, 0x3700001f, 0x00000002,
943 	0x960c, 0xffffffff, 0x54763210,
944 	0x88c4, 0x001f3ae3, 0x000000c2,
945 	0x88d4, 0x0000001f, 0x00000010,
946 	0x8974, 0xffffffff, 0x00000000
947 };
948 
949 static const u32 caicos_golden_registers[] =
950 {
951 	0x5eb4, 0xffffffff, 0x00000002,
952 	0x5e78, 0x8f311ff1, 0x001000f0,
953 	0x8c8, 0x00003420, 0x00001450,
954 	0x8cc, 0x000fffff, 0x00040035,
955 	0x3f90, 0xffff0000, 0xfffc0000,
956 	0x9148, 0xffff0000, 0xfffc0000,
957 	0x3f94, 0xffff0000, 0xfffc0000,
958 	0x914c, 0xffff0000, 0xfffc0000,
959 	0xc78, 0x00000080, 0x00000080,
960 	0xbd4, 0x00073007, 0x00010001,
961 	0xd02c, 0xbfffff1f, 0x08421000,
962 	0xd0b8, 0x03773777, 0x02010001,
963 	0x5bc0, 0x00200000, 0x50100000,
964 	0x98f8, 0x33773777, 0x02010001,
965 	0x98fc, 0xffffffff, 0x33221100,
966 	0x7030, 0x31000311, 0x00000011,
967 	0x2f48, 0x33773777, 0x02010001,
968 	0x6b28, 0x00000010, 0x00000012,
969 	0x7728, 0x00000010, 0x00000012,
970 	0x10328, 0x00000010, 0x00000012,
971 	0x10f28, 0x00000010, 0x00000012,
972 	0x11b28, 0x00000010, 0x00000012,
973 	0x12728, 0x00000010, 0x00000012,
974 	0x240c, 0x000007ff, 0x00000380,
975 	0x8a14, 0xf000001f, 0x00000001,
976 	0x8b24, 0x3fff3fff, 0x00ff0fff,
977 	0x8b10, 0x0000ff0f, 0x00000000,
978 	0x28a4c, 0x07ffffff, 0x06000000,
979 	0x10c, 0x00000001, 0x00010003,
980 	0xa02c, 0xffffffff, 0x0000009b,
981 	0x913c, 0x0000000f, 0x0100000a,
982 	0x8d00, 0xffff7f7f, 0x100e4848,
983 	0x8d04, 0x00ffffff, 0x00164745,
984 	0x8c00, 0xfffc0003, 0xe4000003,
985 	0x8c04, 0xf8ff00ff, 0x40600060,
986 	0x8c08, 0x00ff00ff, 0x001c001c,
987 	0x8cf0, 0x1fff1fff, 0x08e00410,
988 	0x8c20, 0x0fff0fff, 0x00800080,
989 	0x8c24, 0x0fff0fff, 0x00800080,
990 	0x8c18, 0xffffffff, 0x20202078,
991 	0x8c1c, 0x0000ffff, 0x00001010,
992 	0x28350, 0x00000f01, 0x00000000,
993 	0x9508, 0x3700001f, 0x00000002,
994 	0x960c, 0xffffffff, 0x54763210,
995 	0x88c4, 0x001f3ae3, 0x000000c2,
996 	0x88d4, 0x0000001f, 0x00000010,
997 	0x8974, 0xffffffff, 0x00000000
998 };
999 
1000 static void evergreen_init_golden_registers(struct radeon_device *rdev)
1001 {
1002 	switch (rdev->family) {
1003 	case CHIP_CYPRESS:
1004 	case CHIP_HEMLOCK:
1005 		radeon_program_register_sequence(rdev,
1006 						 evergreen_golden_registers,
1007 						 (const u32)ARRAY_SIZE(evergreen_golden_registers));
1008 		radeon_program_register_sequence(rdev,
1009 						 evergreen_golden_registers2,
1010 						 (const u32)ARRAY_SIZE(evergreen_golden_registers2));
1011 		radeon_program_register_sequence(rdev,
1012 						 cypress_mgcg_init,
1013 						 (const u32)ARRAY_SIZE(cypress_mgcg_init));
1014 		break;
1015 	case CHIP_JUNIPER:
1016 		radeon_program_register_sequence(rdev,
1017 						 evergreen_golden_registers,
1018 						 (const u32)ARRAY_SIZE(evergreen_golden_registers));
1019 		radeon_program_register_sequence(rdev,
1020 						 evergreen_golden_registers2,
1021 						 (const u32)ARRAY_SIZE(evergreen_golden_registers2));
1022 		radeon_program_register_sequence(rdev,
1023 						 juniper_mgcg_init,
1024 						 (const u32)ARRAY_SIZE(juniper_mgcg_init));
1025 		break;
1026 	case CHIP_REDWOOD:
1027 		radeon_program_register_sequence(rdev,
1028 						 evergreen_golden_registers,
1029 						 (const u32)ARRAY_SIZE(evergreen_golden_registers));
1030 		radeon_program_register_sequence(rdev,
1031 						 evergreen_golden_registers2,
1032 						 (const u32)ARRAY_SIZE(evergreen_golden_registers2));
1033 		radeon_program_register_sequence(rdev,
1034 						 redwood_mgcg_init,
1035 						 (const u32)ARRAY_SIZE(redwood_mgcg_init));
1036 		break;
1037 	case CHIP_CEDAR:
1038 		radeon_program_register_sequence(rdev,
1039 						 cedar_golden_registers,
1040 						 (const u32)ARRAY_SIZE(cedar_golden_registers));
1041 		radeon_program_register_sequence(rdev,
1042 						 evergreen_golden_registers2,
1043 						 (const u32)ARRAY_SIZE(evergreen_golden_registers2));
1044 		radeon_program_register_sequence(rdev,
1045 						 cedar_mgcg_init,
1046 						 (const u32)ARRAY_SIZE(cedar_mgcg_init));
1047 		break;
1048 	case CHIP_PALM:
1049 		radeon_program_register_sequence(rdev,
1050 						 wrestler_golden_registers,
1051 						 (const u32)ARRAY_SIZE(wrestler_golden_registers));
1052 		break;
1053 	case CHIP_SUMO:
1054 		radeon_program_register_sequence(rdev,
1055 						 supersumo_golden_registers,
1056 						 (const u32)ARRAY_SIZE(supersumo_golden_registers));
1057 		break;
1058 	case CHIP_SUMO2:
1059 		radeon_program_register_sequence(rdev,
1060 						 supersumo_golden_registers,
1061 						 (const u32)ARRAY_SIZE(supersumo_golden_registers));
1062 		radeon_program_register_sequence(rdev,
1063 						 sumo_golden_registers,
1064 						 (const u32)ARRAY_SIZE(sumo_golden_registers));
1065 		break;
1066 	case CHIP_BARTS:
1067 		radeon_program_register_sequence(rdev,
1068 						 barts_golden_registers,
1069 						 (const u32)ARRAY_SIZE(barts_golden_registers));
1070 		break;
1071 	case CHIP_TURKS:
1072 		radeon_program_register_sequence(rdev,
1073 						 turks_golden_registers,
1074 						 (const u32)ARRAY_SIZE(turks_golden_registers));
1075 		break;
1076 	case CHIP_CAICOS:
1077 		radeon_program_register_sequence(rdev,
1078 						 caicos_golden_registers,
1079 						 (const u32)ARRAY_SIZE(caicos_golden_registers));
1080 		break;
1081 	default:
1082 		break;
1083 	}
1084 }
1085 
1086 /**
1087  * evergreen_get_allowed_info_register - fetch the register for the info ioctl
1088  *
1089  * @rdev: radeon_device pointer
1090  * @reg: register offset in bytes
1091  * @val: register value
1092  *
1093  * Returns 0 for success or -EINVAL for an invalid register
1094  *
1095  */
1096 int evergreen_get_allowed_info_register(struct radeon_device *rdev,
1097 					u32 reg, u32 *val)
1098 {
1099 	switch (reg) {
1100 	case GRBM_STATUS:
1101 	case GRBM_STATUS_SE0:
1102 	case GRBM_STATUS_SE1:
1103 	case SRBM_STATUS:
1104 	case SRBM_STATUS2:
1105 	case DMA_STATUS_REG:
1106 	case UVD_STATUS:
1107 		*val = RREG32(reg);
1108 		return 0;
1109 	default:
1110 		return -EINVAL;
1111 	}
1112 }
1113 
1114 void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw,
1115 			     unsigned *bankh, unsigned *mtaspect,
1116 			     unsigned *tile_split)
1117 {
1118 	*bankw = (tiling_flags >> RADEON_TILING_EG_BANKW_SHIFT) & RADEON_TILING_EG_BANKW_MASK;
1119 	*bankh = (tiling_flags >> RADEON_TILING_EG_BANKH_SHIFT) & RADEON_TILING_EG_BANKH_MASK;
1120 	*mtaspect = (tiling_flags >> RADEON_TILING_EG_MACRO_TILE_ASPECT_SHIFT) & RADEON_TILING_EG_MACRO_TILE_ASPECT_MASK;
1121 	*tile_split = (tiling_flags >> RADEON_TILING_EG_TILE_SPLIT_SHIFT) & RADEON_TILING_EG_TILE_SPLIT_MASK;
1122 	switch (*bankw) {
1123 	default:
1124 	case 1: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_1; break;
1125 	case 2: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_2; break;
1126 	case 4: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_4; break;
1127 	case 8: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_8; break;
1128 	}
1129 	switch (*bankh) {
1130 	default:
1131 	case 1: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_1; break;
1132 	case 2: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_2; break;
1133 	case 4: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_4; break;
1134 	case 8: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_8; break;
1135 	}
1136 	switch (*mtaspect) {
1137 	default:
1138 	case 1: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_1; break;
1139 	case 2: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_2; break;
1140 	case 4: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_4; break;
1141 	case 8: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_8; break;
1142 	}
1143 }
1144 
1145 static int sumo_set_uvd_clock(struct radeon_device *rdev, u32 clock,
1146 			      u32 cntl_reg, u32 status_reg)
1147 {
1148 	int r, i;
1149 	struct atom_clock_dividers dividers;
1150 
1151 	r = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
1152 					   clock, false, &dividers);
1153 	if (r)
1154 		return r;
1155 
1156 	WREG32_P(cntl_reg, dividers.post_div, ~(DCLK_DIR_CNTL_EN|DCLK_DIVIDER_MASK));
1157 
1158 	for (i = 0; i < 100; i++) {
1159 		if (RREG32(status_reg) & DCLK_STATUS)
1160 			break;
1161 		mdelay(10);
1162 	}
1163 	if (i == 100)
1164 		return -ETIMEDOUT;
1165 
1166 	return 0;
1167 }
1168 
1169 int sumo_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
1170 {
1171 	int r = 0;
1172 	u32 cg_scratch = RREG32(CG_SCRATCH1);
1173 
1174 	r = sumo_set_uvd_clock(rdev, vclk, CG_VCLK_CNTL, CG_VCLK_STATUS);
1175 	if (r)
1176 		goto done;
1177 	cg_scratch &= 0xffff0000;
1178 	cg_scratch |= vclk / 100; /* Mhz */
1179 
1180 	r = sumo_set_uvd_clock(rdev, dclk, CG_DCLK_CNTL, CG_DCLK_STATUS);
1181 	if (r)
1182 		goto done;
1183 	cg_scratch &= 0x0000ffff;
1184 	cg_scratch |= (dclk / 100) << 16; /* Mhz */
1185 
1186 done:
1187 	WREG32(CG_SCRATCH1, cg_scratch);
1188 
1189 	return r;
1190 }
1191 
1192 int evergreen_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
1193 {
1194 	/* start off with something large */
1195 	unsigned fb_div = 0, vclk_div = 0, dclk_div = 0;
1196 	int r;
1197 
1198 	/* bypass vclk and dclk with bclk */
1199 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
1200 		VCLK_SRC_SEL(1) | DCLK_SRC_SEL(1),
1201 		~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
1202 
1203 	/* put PLL in bypass mode */
1204 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~UPLL_BYPASS_EN_MASK);
1205 
1206 	if (!vclk || !dclk) {
1207 		/* keep the Bypass mode, put PLL to sleep */
1208 		WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
1209 		return 0;
1210 	}
1211 
1212 	r = radeon_uvd_calc_upll_dividers(rdev, vclk, dclk, 125000, 250000,
1213 					  16384, 0x03FFFFFF, 0, 128, 5,
1214 					  &fb_div, &vclk_div, &dclk_div);
1215 	if (r)
1216 		return r;
1217 
1218 	/* set VCO_MODE to 1 */
1219 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_VCO_MODE_MASK, ~UPLL_VCO_MODE_MASK);
1220 
1221 	/* toggle UPLL_SLEEP to 1 then back to 0 */
1222 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
1223 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_SLEEP_MASK);
1224 
1225 	/* deassert UPLL_RESET */
1226 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
1227 
1228 	mdelay(1);
1229 
1230 	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
1231 	if (r)
1232 		return r;
1233 
1234 	/* assert UPLL_RESET again */
1235 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_RESET_MASK, ~UPLL_RESET_MASK);
1236 
1237 	/* disable spread spectrum. */
1238 	WREG32_P(CG_UPLL_SPREAD_SPECTRUM, 0, ~SSEN_MASK);
1239 
1240 	/* set feedback divider */
1241 	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(fb_div), ~UPLL_FB_DIV_MASK);
1242 
1243 	/* set ref divider to 0 */
1244 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_REF_DIV_MASK);
1245 
1246 	if (fb_div < 307200)
1247 		WREG32_P(CG_UPLL_FUNC_CNTL_4, 0, ~UPLL_SPARE_ISPARE9);
1248 	else
1249 		WREG32_P(CG_UPLL_FUNC_CNTL_4, UPLL_SPARE_ISPARE9, ~UPLL_SPARE_ISPARE9);
1250 
1251 	/* set PDIV_A and PDIV_B */
1252 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
1253 		UPLL_PDIV_A(vclk_div) | UPLL_PDIV_B(dclk_div),
1254 		~(UPLL_PDIV_A_MASK | UPLL_PDIV_B_MASK));
1255 
1256 	/* give the PLL some time to settle */
1257 	mdelay(15);
1258 
1259 	/* deassert PLL_RESET */
1260 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
1261 
1262 	mdelay(15);
1263 
1264 	/* switch from bypass mode to normal mode */
1265 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_BYPASS_EN_MASK);
1266 
1267 	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
1268 	if (r)
1269 		return r;
1270 
1271 	/* switch VCLK and DCLK selection */
1272 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
1273 		VCLK_SRC_SEL(2) | DCLK_SRC_SEL(2),
1274 		~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
1275 
1276 	mdelay(100);
1277 
1278 	return 0;
1279 }
1280 
1281 void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev)
1282 {
1283 	int readrq;
1284 	u16 v;
1285 
1286 	readrq = pcie_get_readrq(rdev->pdev);
1287 	v = ffs(readrq) - 8;
1288 	/* if bios or OS sets MAX_READ_REQUEST_SIZE to an invalid value, fix it
1289 	 * to avoid hangs or perfomance issues
1290 	 */
1291 	if ((v == 0) || (v == 6) || (v == 7))
1292 		pcie_set_readrq(rdev->pdev, 512);
1293 }
1294 
1295 void dce4_program_fmt(struct drm_encoder *encoder)
1296 {
1297 	struct drm_device *dev = encoder->dev;
1298 	struct radeon_device *rdev = dev->dev_private;
1299 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1300 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(encoder->crtc);
1301 	struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
1302 	int bpc = 0;
1303 	u32 tmp = 0;
1304 	enum radeon_connector_dither dither = RADEON_FMT_DITHER_DISABLE;
1305 
1306 	if (connector) {
1307 		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
1308 		bpc = radeon_get_monitor_bpc(connector);
1309 		dither = radeon_connector->dither;
1310 	}
1311 
1312 	/* LVDS/eDP FMT is set up by atom */
1313 	if (radeon_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
1314 		return;
1315 
1316 	/* not needed for analog */
1317 	if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
1318 	    (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
1319 		return;
1320 
1321 	if (bpc == 0)
1322 		return;
1323 
1324 	switch (bpc) {
1325 	case 6:
1326 		if (dither == RADEON_FMT_DITHER_ENABLE)
1327 			/* XXX sort out optimal dither settings */
1328 			tmp |= (FMT_FRAME_RANDOM_ENABLE | FMT_HIGHPASS_RANDOM_ENABLE |
1329 				FMT_SPATIAL_DITHER_EN);
1330 		else
1331 			tmp |= FMT_TRUNCATE_EN;
1332 		break;
1333 	case 8:
1334 		if (dither == RADEON_FMT_DITHER_ENABLE)
1335 			/* XXX sort out optimal dither settings */
1336 			tmp |= (FMT_FRAME_RANDOM_ENABLE | FMT_HIGHPASS_RANDOM_ENABLE |
1337 				FMT_RGB_RANDOM_ENABLE |
1338 				FMT_SPATIAL_DITHER_EN | FMT_SPATIAL_DITHER_DEPTH);
1339 		else
1340 			tmp |= (FMT_TRUNCATE_EN | FMT_TRUNCATE_DEPTH);
1341 		break;
1342 	case 10:
1343 	default:
1344 		/* not needed */
1345 		break;
1346 	}
1347 
1348 	WREG32(FMT_BIT_DEPTH_CONTROL + radeon_crtc->crtc_offset, tmp);
1349 }
1350 
1351 static bool dce4_is_in_vblank(struct radeon_device *rdev, int crtc)
1352 {
1353 	if (RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK)
1354 		return true;
1355 	else
1356 		return false;
1357 }
1358 
1359 static bool dce4_is_counter_moving(struct radeon_device *rdev, int crtc)
1360 {
1361 	u32 pos1, pos2;
1362 
1363 	pos1 = RREG32(EVERGREEN_CRTC_STATUS_POSITION + crtc_offsets[crtc]);
1364 	pos2 = RREG32(EVERGREEN_CRTC_STATUS_POSITION + crtc_offsets[crtc]);
1365 
1366 	if (pos1 != pos2)
1367 		return true;
1368 	else
1369 		return false;
1370 }
1371 
1372 /**
1373  * dce4_wait_for_vblank - vblank wait asic callback.
1374  *
1375  * @rdev: radeon_device pointer
1376  * @crtc: crtc to wait for vblank on
1377  *
1378  * Wait for vblank on the requested crtc (evergreen+).
1379  */
1380 void dce4_wait_for_vblank(struct radeon_device *rdev, int crtc)
1381 {
1382 	unsigned i = 0;
1383 
1384 	if (crtc >= rdev->num_crtc)
1385 		return;
1386 
1387 	if (!(RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[crtc]) & EVERGREEN_CRTC_MASTER_EN))
1388 		return;
1389 
1390 	/* depending on when we hit vblank, we may be close to active; if so,
1391 	 * wait for another frame.
1392 	 */
1393 	while (dce4_is_in_vblank(rdev, crtc)) {
1394 		if (i++ % 100 == 0) {
1395 			if (!dce4_is_counter_moving(rdev, crtc))
1396 				break;
1397 		}
1398 	}
1399 
1400 	while (!dce4_is_in_vblank(rdev, crtc)) {
1401 		if (i++ % 100 == 0) {
1402 			if (!dce4_is_counter_moving(rdev, crtc))
1403 				break;
1404 		}
1405 	}
1406 }
1407 
1408 /**
1409  * evergreen_page_flip - pageflip callback.
1410  *
1411  * @rdev: radeon_device pointer
1412  * @crtc_id: crtc to cleanup pageflip on
1413  * @crtc_base: new address of the crtc (GPU MC address)
1414  *
1415  * Triggers the actual pageflip by updating the primary
1416  * surface base address (evergreen+).
1417  */
1418 void evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base,
1419 			 bool async)
1420 {
1421 	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
1422 
1423 	/* update the scanout addresses */
1424 	WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset,
1425 	       async ? EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN : 0);
1426 	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
1427 	       upper_32_bits(crtc_base));
1428 	WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1429 	       (u32)crtc_base);
1430 	/* post the write */
1431 	RREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset);
1432 }
1433 
1434 /**
1435  * evergreen_page_flip_pending - check if page flip is still pending
1436  *
1437  * @rdev: radeon_device pointer
1438  * @crtc_id: crtc to check
1439  *
1440  * Returns the current update pending status.
1441  */
1442 bool evergreen_page_flip_pending(struct radeon_device *rdev, int crtc_id)
1443 {
1444 	struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
1445 
1446 	/* Return current update_pending status: */
1447 	return !!(RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) &
1448 		EVERGREEN_GRPH_SURFACE_UPDATE_PENDING);
1449 }
1450 
1451 /* get temperature in millidegrees */
1452 int evergreen_get_temp(struct radeon_device *rdev)
1453 {
1454 	u32 temp, toffset;
1455 	int actual_temp = 0;
1456 
1457 	if (rdev->family == CHIP_JUNIPER) {
1458 		toffset = (RREG32(CG_THERMAL_CTRL) & TOFFSET_MASK) >>
1459 			TOFFSET_SHIFT;
1460 		temp = (RREG32(CG_TS0_STATUS) & TS0_ADC_DOUT_MASK) >>
1461 			TS0_ADC_DOUT_SHIFT;
1462 
1463 		if (toffset & 0x100)
1464 			actual_temp = temp / 2 - (0x200 - toffset);
1465 		else
1466 			actual_temp = temp / 2 + toffset;
1467 
1468 		actual_temp = actual_temp * 1000;
1469 
1470 	} else {
1471 		temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
1472 			ASIC_T_SHIFT;
1473 
1474 		if (temp & 0x400)
1475 			actual_temp = -256;
1476 		else if (temp & 0x200)
1477 			actual_temp = 255;
1478 		else if (temp & 0x100) {
1479 			actual_temp = temp & 0x1ff;
1480 			actual_temp |= ~0x1ff;
1481 		} else
1482 			actual_temp = temp & 0xff;
1483 
1484 		actual_temp = (actual_temp * 1000) / 2;
1485 	}
1486 
1487 	return actual_temp;
1488 }
1489 
1490 int sumo_get_temp(struct radeon_device *rdev)
1491 {
1492 	u32 temp = RREG32(CG_THERMAL_STATUS) & 0xff;
1493 	int actual_temp = temp - 49;
1494 
1495 	return actual_temp * 1000;
1496 }
1497 
1498 /**
1499  * sumo_pm_init_profile - Initialize power profiles callback.
1500  *
1501  * @rdev: radeon_device pointer
1502  *
1503  * Initialize the power states used in profile mode
1504  * (sumo, trinity, SI).
1505  * Used for profile mode only.
1506  */
1507 void sumo_pm_init_profile(struct radeon_device *rdev)
1508 {
1509 	int idx;
1510 
1511 	/* default */
1512 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
1513 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
1514 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
1515 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
1516 
1517 	/* low,mid sh/mh */
1518 	if (rdev->flags & RADEON_IS_MOBILITY)
1519 		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
1520 	else
1521 		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
1522 
1523 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
1524 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
1525 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
1526 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
1527 
1528 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
1529 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
1530 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
1531 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
1532 
1533 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
1534 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
1535 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
1536 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
1537 
1538 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
1539 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
1540 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
1541 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
1542 
1543 	/* high sh/mh */
1544 	idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
1545 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
1546 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
1547 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
1548 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx =
1549 		rdev->pm.power_state[idx].num_clock_modes - 1;
1550 
1551 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
1552 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
1553 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
1554 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx =
1555 		rdev->pm.power_state[idx].num_clock_modes - 1;
1556 }
1557 
1558 /**
1559  * btc_pm_init_profile - Initialize power profiles callback.
1560  *
1561  * @rdev: radeon_device pointer
1562  *
1563  * Initialize the power states used in profile mode
1564  * (BTC, cayman).
1565  * Used for profile mode only.
1566  */
1567 void btc_pm_init_profile(struct radeon_device *rdev)
1568 {
1569 	int idx;
1570 
1571 	/* default */
1572 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
1573 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
1574 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
1575 	rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
1576 	/* starting with BTC, there is one state that is used for both
1577 	 * MH and SH.  Difference is that we always use the high clock index for
1578 	 * mclk.
1579 	 */
1580 	if (rdev->flags & RADEON_IS_MOBILITY)
1581 		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
1582 	else
1583 		idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
1584 	/* low sh */
1585 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
1586 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
1587 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
1588 	rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
1589 	/* mid sh */
1590 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
1591 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
1592 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
1593 	rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
1594 	/* high sh */
1595 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
1596 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
1597 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
1598 	rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
1599 	/* low mh */
1600 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
1601 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
1602 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
1603 	rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
1604 	/* mid mh */
1605 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
1606 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
1607 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
1608 	rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
1609 	/* high mh */
1610 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
1611 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
1612 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
1613 	rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
1614 }
1615 
1616 /**
1617  * evergreen_pm_misc - set additional pm hw parameters callback.
1618  *
1619  * @rdev: radeon_device pointer
1620  *
1621  * Set non-clock parameters associated with a power state
1622  * (voltage, etc.) (evergreen+).
1623  */
1624 void evergreen_pm_misc(struct radeon_device *rdev)
1625 {
1626 	int req_ps_idx = rdev->pm.requested_power_state_index;
1627 	int req_cm_idx = rdev->pm.requested_clock_mode_index;
1628 	struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
1629 	struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
1630 
1631 	if (voltage->type == VOLTAGE_SW) {
1632 		/* 0xff0x are flags rather then an actual voltage */
1633 		if ((voltage->voltage & 0xff00) == 0xff00)
1634 			return;
1635 		if (voltage->voltage && (voltage->voltage != rdev->pm.current_vddc)) {
1636 			radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
1637 			rdev->pm.current_vddc = voltage->voltage;
1638 			DRM_DEBUG("Setting: vddc: %d\n", voltage->voltage);
1639 		}
1640 
1641 		/* starting with BTC, there is one state that is used for both
1642 		 * MH and SH.  Difference is that we always use the high clock index for
1643 		 * mclk and vddci.
1644 		 */
1645 		if ((rdev->pm.pm_method == PM_METHOD_PROFILE) &&
1646 		    (rdev->family >= CHIP_BARTS) &&
1647 		    rdev->pm.active_crtc_count &&
1648 		    ((rdev->pm.profile_index == PM_PROFILE_MID_MH_IDX) ||
1649 		     (rdev->pm.profile_index == PM_PROFILE_LOW_MH_IDX)))
1650 			voltage = &rdev->pm.power_state[req_ps_idx].
1651 				clock_info[rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx].voltage;
1652 
1653 		/* 0xff0x are flags rather then an actual voltage */
1654 		if ((voltage->vddci & 0xff00) == 0xff00)
1655 			return;
1656 		if (voltage->vddci && (voltage->vddci != rdev->pm.current_vddci)) {
1657 			radeon_atom_set_voltage(rdev, voltage->vddci, SET_VOLTAGE_TYPE_ASIC_VDDCI);
1658 			rdev->pm.current_vddci = voltage->vddci;
1659 			DRM_DEBUG("Setting: vddci: %d\n", voltage->vddci);
1660 		}
1661 	}
1662 }
1663 
1664 /**
1665  * evergreen_pm_prepare - pre-power state change callback.
1666  *
1667  * @rdev: radeon_device pointer
1668  *
1669  * Prepare for a power state change (evergreen+).
1670  */
1671 void evergreen_pm_prepare(struct radeon_device *rdev)
1672 {
1673 	struct drm_device *ddev = rdev->ddev;
1674 	struct drm_crtc *crtc;
1675 	struct radeon_crtc *radeon_crtc;
1676 	u32 tmp;
1677 
1678 	/* disable any active CRTCs */
1679 	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
1680 		radeon_crtc = to_radeon_crtc(crtc);
1681 		if (radeon_crtc->enabled) {
1682 			tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
1683 			tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
1684 			WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
1685 		}
1686 	}
1687 }
1688 
1689 /**
1690  * evergreen_pm_finish - post-power state change callback.
1691  *
1692  * @rdev: radeon_device pointer
1693  *
1694  * Clean up after a power state change (evergreen+).
1695  */
1696 void evergreen_pm_finish(struct radeon_device *rdev)
1697 {
1698 	struct drm_device *ddev = rdev->ddev;
1699 	struct drm_crtc *crtc;
1700 	struct radeon_crtc *radeon_crtc;
1701 	u32 tmp;
1702 
1703 	/* enable any active CRTCs */
1704 	list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
1705 		radeon_crtc = to_radeon_crtc(crtc);
1706 		if (radeon_crtc->enabled) {
1707 			tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
1708 			tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
1709 			WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
1710 		}
1711 	}
1712 }
1713 
1714 /**
1715  * evergreen_hpd_sense - hpd sense callback.
1716  *
1717  * @rdev: radeon_device pointer
1718  * @hpd: hpd (hotplug detect) pin
1719  *
1720  * Checks if a digital monitor is connected (evergreen+).
1721  * Returns true if connected, false if not connected.
1722  */
1723 bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
1724 {
1725 	if (hpd == RADEON_HPD_NONE)
1726 		return false;
1727 
1728 	return !!(RREG32(DC_HPDx_INT_STATUS_REG(hpd)) & DC_HPDx_SENSE);
1729 }
1730 
1731 /**
1732  * evergreen_hpd_set_polarity - hpd set polarity callback.
1733  *
1734  * @rdev: radeon_device pointer
1735  * @hpd: hpd (hotplug detect) pin
1736  *
1737  * Set the polarity of the hpd pin (evergreen+).
1738  */
1739 void evergreen_hpd_set_polarity(struct radeon_device *rdev,
1740 				enum radeon_hpd_id hpd)
1741 {
1742 	bool connected = evergreen_hpd_sense(rdev, hpd);
1743 
1744 	if (hpd == RADEON_HPD_NONE)
1745 		return;
1746 
1747 	if (connected)
1748 		WREG32_AND(DC_HPDx_INT_CONTROL(hpd), ~DC_HPDx_INT_POLARITY);
1749 	else
1750 		WREG32_OR(DC_HPDx_INT_CONTROL(hpd), DC_HPDx_INT_POLARITY);
1751 }
1752 
1753 /**
1754  * evergreen_hpd_init - hpd setup callback.
1755  *
1756  * @rdev: radeon_device pointer
1757  *
1758  * Setup the hpd pins used by the card (evergreen+).
1759  * Enable the pin, set the polarity, and enable the hpd interrupts.
1760  */
1761 void evergreen_hpd_init(struct radeon_device *rdev)
1762 {
1763 	struct drm_device *dev = rdev->ddev;
1764 	struct drm_connector *connector;
1765 	unsigned enabled = 0;
1766 	u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) |
1767 		DC_HPDx_RX_INT_TIMER(0xfa) | DC_HPDx_EN;
1768 
1769 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1770 		enum radeon_hpd_id hpd =
1771 			to_radeon_connector(connector)->hpd.hpd;
1772 
1773 		if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
1774 		    connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
1775 			/* don't try to enable hpd on eDP or LVDS avoid breaking the
1776 			 * aux dp channel on imac and help (but not completely fix)
1777 			 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
1778 			 * also avoid interrupt storms during dpms.
1779 			 */
1780 			continue;
1781 		}
1782 
1783 		if (hpd == RADEON_HPD_NONE)
1784 			continue;
1785 
1786 		WREG32(DC_HPDx_CONTROL(hpd), tmp);
1787 		enabled |= 1 << hpd;
1788 
1789 		radeon_hpd_set_polarity(rdev, hpd);
1790 	}
1791 	radeon_irq_kms_enable_hpd(rdev, enabled);
1792 }
1793 
1794 /**
1795  * evergreen_hpd_fini - hpd tear down callback.
1796  *
1797  * @rdev: radeon_device pointer
1798  *
1799  * Tear down the hpd pins used by the card (evergreen+).
1800  * Disable the hpd interrupts.
1801  */
1802 void evergreen_hpd_fini(struct radeon_device *rdev)
1803 {
1804 	struct drm_device *dev = rdev->ddev;
1805 	struct drm_connector *connector;
1806 	unsigned disabled = 0;
1807 
1808 	list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
1809 		enum radeon_hpd_id hpd =
1810 			to_radeon_connector(connector)->hpd.hpd;
1811 
1812 		if (hpd == RADEON_HPD_NONE)
1813 			continue;
1814 
1815 		WREG32(DC_HPDx_CONTROL(hpd), 0);
1816 		disabled |= 1 << hpd;
1817 	}
1818 	radeon_irq_kms_disable_hpd(rdev, disabled);
1819 }
1820 
1821 /* watermark setup */
1822 
1823 static u32 evergreen_line_buffer_adjust(struct radeon_device *rdev,
1824 					struct radeon_crtc *radeon_crtc,
1825 					struct drm_display_mode *mode,
1826 					struct drm_display_mode *other_mode)
1827 {
1828 	u32 tmp, buffer_alloc, i;
1829 	u32 pipe_offset = radeon_crtc->crtc_id * 0x20;
1830 	/*
1831 	 * Line Buffer Setup
1832 	 * There are 3 line buffers, each one shared by 2 display controllers.
1833 	 * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1834 	 * the display controllers.  The paritioning is done via one of four
1835 	 * preset allocations specified in bits 2:0:
1836 	 * first display controller
1837 	 *  0 - first half of lb (3840 * 2)
1838 	 *  1 - first 3/4 of lb (5760 * 2)
1839 	 *  2 - whole lb (7680 * 2), other crtc must be disabled
1840 	 *  3 - first 1/4 of lb (1920 * 2)
1841 	 * second display controller
1842 	 *  4 - second half of lb (3840 * 2)
1843 	 *  5 - second 3/4 of lb (5760 * 2)
1844 	 *  6 - whole lb (7680 * 2), other crtc must be disabled
1845 	 *  7 - last 1/4 of lb (1920 * 2)
1846 	 */
1847 	/* this can get tricky if we have two large displays on a paired group
1848 	 * of crtcs.  Ideally for multiple large displays we'd assign them to
1849 	 * non-linked crtcs for maximum line buffer allocation.
1850 	 */
1851 	if (radeon_crtc->base.enabled && mode) {
1852 		if (other_mode) {
1853 			tmp = 0; /* 1/2 */
1854 			buffer_alloc = 1;
1855 		} else {
1856 			tmp = 2; /* whole */
1857 			buffer_alloc = 2;
1858 		}
1859 	} else {
1860 		tmp = 0;
1861 		buffer_alloc = 0;
1862 	}
1863 
1864 	/* second controller of the pair uses second half of the lb */
1865 	if (radeon_crtc->crtc_id % 2)
1866 		tmp += 4;
1867 	WREG32(DC_LB_MEMORY_SPLIT + radeon_crtc->crtc_offset, tmp);
1868 
1869 	if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE5(rdev)) {
1870 		WREG32(PIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1871 		       DMIF_BUFFERS_ALLOCATED(buffer_alloc));
1872 		for (i = 0; i < rdev->usec_timeout; i++) {
1873 			if (RREG32(PIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1874 			    DMIF_BUFFERS_ALLOCATED_COMPLETED)
1875 				break;
1876 			udelay(1);
1877 		}
1878 	}
1879 
1880 	if (radeon_crtc->base.enabled && mode) {
1881 		switch (tmp) {
1882 		case 0:
1883 		case 4:
1884 		default:
1885 			if (ASIC_IS_DCE5(rdev))
1886 				return 4096 * 2;
1887 			else
1888 				return 3840 * 2;
1889 		case 1:
1890 		case 5:
1891 			if (ASIC_IS_DCE5(rdev))
1892 				return 6144 * 2;
1893 			else
1894 				return 5760 * 2;
1895 		case 2:
1896 		case 6:
1897 			if (ASIC_IS_DCE5(rdev))
1898 				return 8192 * 2;
1899 			else
1900 				return 7680 * 2;
1901 		case 3:
1902 		case 7:
1903 			if (ASIC_IS_DCE5(rdev))
1904 				return 2048 * 2;
1905 			else
1906 				return 1920 * 2;
1907 		}
1908 	}
1909 
1910 	/* controller not enabled, so no lb used */
1911 	return 0;
1912 }
1913 
1914 u32 evergreen_get_number_of_dram_channels(struct radeon_device *rdev)
1915 {
1916 	u32 tmp = RREG32(MC_SHARED_CHMAP);
1917 
1918 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1919 	case 0:
1920 	default:
1921 		return 1;
1922 	case 1:
1923 		return 2;
1924 	case 2:
1925 		return 4;
1926 	case 3:
1927 		return 8;
1928 	}
1929 }
1930 
1931 struct evergreen_wm_params {
1932 	u32 dram_channels; /* number of dram channels */
1933 	u32 yclk;          /* bandwidth per dram data pin in kHz */
1934 	u32 sclk;          /* engine clock in kHz */
1935 	u32 disp_clk;      /* display clock in kHz */
1936 	u32 src_width;     /* viewport width */
1937 	u32 active_time;   /* active display time in ns */
1938 	u32 blank_time;    /* blank time in ns */
1939 	bool interlaced;    /* mode is interlaced */
1940 	fixed20_12 vsc;    /* vertical scale ratio */
1941 	u32 num_heads;     /* number of active crtcs */
1942 	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
1943 	u32 lb_size;       /* line buffer allocated to pipe */
1944 	u32 vtaps;         /* vertical scaler taps */
1945 };
1946 
1947 static u32 evergreen_dram_bandwidth(struct evergreen_wm_params *wm)
1948 {
1949 	/* Calculate DRAM Bandwidth and the part allocated to display. */
1950 	fixed20_12 dram_efficiency; /* 0.7 */
1951 	fixed20_12 yclk, dram_channels, bandwidth;
1952 	fixed20_12 a;
1953 
1954 	a.full = dfixed_const(1000);
1955 	yclk.full = dfixed_const(wm->yclk);
1956 	yclk.full = dfixed_div(yclk, a);
1957 	dram_channels.full = dfixed_const(wm->dram_channels * 4);
1958 	a.full = dfixed_const(10);
1959 	dram_efficiency.full = dfixed_const(7);
1960 	dram_efficiency.full = dfixed_div(dram_efficiency, a);
1961 	bandwidth.full = dfixed_mul(dram_channels, yclk);
1962 	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
1963 
1964 	return dfixed_trunc(bandwidth);
1965 }
1966 
1967 static u32 evergreen_dram_bandwidth_for_display(struct evergreen_wm_params *wm)
1968 {
1969 	/* Calculate DRAM Bandwidth and the part allocated to display. */
1970 	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
1971 	fixed20_12 yclk, dram_channels, bandwidth;
1972 	fixed20_12 a;
1973 
1974 	a.full = dfixed_const(1000);
1975 	yclk.full = dfixed_const(wm->yclk);
1976 	yclk.full = dfixed_div(yclk, a);
1977 	dram_channels.full = dfixed_const(wm->dram_channels * 4);
1978 	a.full = dfixed_const(10);
1979 	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
1980 	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
1981 	bandwidth.full = dfixed_mul(dram_channels, yclk);
1982 	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
1983 
1984 	return dfixed_trunc(bandwidth);
1985 }
1986 
1987 static u32 evergreen_data_return_bandwidth(struct evergreen_wm_params *wm)
1988 {
1989 	/* Calculate the display Data return Bandwidth */
1990 	fixed20_12 return_efficiency; /* 0.8 */
1991 	fixed20_12 sclk, bandwidth;
1992 	fixed20_12 a;
1993 
1994 	a.full = dfixed_const(1000);
1995 	sclk.full = dfixed_const(wm->sclk);
1996 	sclk.full = dfixed_div(sclk, a);
1997 	a.full = dfixed_const(10);
1998 	return_efficiency.full = dfixed_const(8);
1999 	return_efficiency.full = dfixed_div(return_efficiency, a);
2000 	a.full = dfixed_const(32);
2001 	bandwidth.full = dfixed_mul(a, sclk);
2002 	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
2003 
2004 	return dfixed_trunc(bandwidth);
2005 }
2006 
2007 static u32 evergreen_dmif_request_bandwidth(struct evergreen_wm_params *wm)
2008 {
2009 	/* Calculate the DMIF Request Bandwidth */
2010 	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
2011 	fixed20_12 disp_clk, bandwidth;
2012 	fixed20_12 a;
2013 
2014 	a.full = dfixed_const(1000);
2015 	disp_clk.full = dfixed_const(wm->disp_clk);
2016 	disp_clk.full = dfixed_div(disp_clk, a);
2017 	a.full = dfixed_const(10);
2018 	disp_clk_request_efficiency.full = dfixed_const(8);
2019 	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
2020 	a.full = dfixed_const(32);
2021 	bandwidth.full = dfixed_mul(a, disp_clk);
2022 	bandwidth.full = dfixed_mul(bandwidth, disp_clk_request_efficiency);
2023 
2024 	return dfixed_trunc(bandwidth);
2025 }
2026 
2027 static u32 evergreen_available_bandwidth(struct evergreen_wm_params *wm)
2028 {
2029 	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
2030 	u32 dram_bandwidth = evergreen_dram_bandwidth(wm);
2031 	u32 data_return_bandwidth = evergreen_data_return_bandwidth(wm);
2032 	u32 dmif_req_bandwidth = evergreen_dmif_request_bandwidth(wm);
2033 
2034 	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
2035 }
2036 
2037 static u32 evergreen_average_bandwidth(struct evergreen_wm_params *wm)
2038 {
2039 	/* Calculate the display mode Average Bandwidth
2040 	 * DisplayMode should contain the source and destination dimensions,
2041 	 * timing, etc.
2042 	 */
2043 	fixed20_12 bpp;
2044 	fixed20_12 line_time;
2045 	fixed20_12 src_width;
2046 	fixed20_12 bandwidth;
2047 	fixed20_12 a;
2048 
2049 	a.full = dfixed_const(1000);
2050 	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
2051 	line_time.full = dfixed_div(line_time, a);
2052 	bpp.full = dfixed_const(wm->bytes_per_pixel);
2053 	src_width.full = dfixed_const(wm->src_width);
2054 	bandwidth.full = dfixed_mul(src_width, bpp);
2055 	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
2056 	bandwidth.full = dfixed_div(bandwidth, line_time);
2057 
2058 	return dfixed_trunc(bandwidth);
2059 }
2060 
2061 static u32 evergreen_latency_watermark(struct evergreen_wm_params *wm)
2062 {
2063 	/* First calcualte the latency in ns */
2064 	u32 mc_latency = 2000; /* 2000 ns. */
2065 	u32 available_bandwidth = evergreen_available_bandwidth(wm);
2066 	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
2067 	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
2068 	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
2069 	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
2070 		(wm->num_heads * cursor_line_pair_return_time);
2071 	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
2072 	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
2073 	fixed20_12 a, b, c;
2074 
2075 	if (wm->num_heads == 0)
2076 		return 0;
2077 
2078 	a.full = dfixed_const(2);
2079 	b.full = dfixed_const(1);
2080 	if ((wm->vsc.full > a.full) ||
2081 	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
2082 	    (wm->vtaps >= 5) ||
2083 	    ((wm->vsc.full >= a.full) && wm->interlaced))
2084 		max_src_lines_per_dst_line = 4;
2085 	else
2086 		max_src_lines_per_dst_line = 2;
2087 
2088 	a.full = dfixed_const(available_bandwidth);
2089 	b.full = dfixed_const(wm->num_heads);
2090 	a.full = dfixed_div(a, b);
2091 
2092 	lb_fill_bw = min(dfixed_trunc(a), wm->disp_clk * wm->bytes_per_pixel / 1000);
2093 
2094 	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
2095 	b.full = dfixed_const(1000);
2096 	c.full = dfixed_const(lb_fill_bw);
2097 	b.full = dfixed_div(c, b);
2098 	a.full = dfixed_div(a, b);
2099 	line_fill_time = dfixed_trunc(a);
2100 
2101 	if (line_fill_time < wm->active_time)
2102 		return latency;
2103 	else
2104 		return latency + (line_fill_time - wm->active_time);
2105 
2106 }
2107 
2108 static bool evergreen_average_bandwidth_vs_dram_bandwidth_for_display(struct evergreen_wm_params *wm)
2109 {
2110 	if (evergreen_average_bandwidth(wm) <=
2111 	    (evergreen_dram_bandwidth_for_display(wm) / wm->num_heads))
2112 		return true;
2113 	else
2114 		return false;
2115 };
2116 
2117 static bool evergreen_average_bandwidth_vs_available_bandwidth(struct evergreen_wm_params *wm)
2118 {
2119 	if (evergreen_average_bandwidth(wm) <=
2120 	    (evergreen_available_bandwidth(wm) / wm->num_heads))
2121 		return true;
2122 	else
2123 		return false;
2124 };
2125 
2126 static bool evergreen_check_latency_hiding(struct evergreen_wm_params *wm)
2127 {
2128 	u32 lb_partitions = wm->lb_size / wm->src_width;
2129 	u32 line_time = wm->active_time + wm->blank_time;
2130 	u32 latency_tolerant_lines;
2131 	u32 latency_hiding;
2132 	fixed20_12 a;
2133 
2134 	a.full = dfixed_const(1);
2135 	if (wm->vsc.full > a.full)
2136 		latency_tolerant_lines = 1;
2137 	else {
2138 		if (lb_partitions <= (wm->vtaps + 1))
2139 			latency_tolerant_lines = 1;
2140 		else
2141 			latency_tolerant_lines = 2;
2142 	}
2143 
2144 	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
2145 
2146 	if (evergreen_latency_watermark(wm) <= latency_hiding)
2147 		return true;
2148 	else
2149 		return false;
2150 }
2151 
2152 static void evergreen_program_watermarks(struct radeon_device *rdev,
2153 					 struct radeon_crtc *radeon_crtc,
2154 					 u32 lb_size, u32 num_heads)
2155 {
2156 	struct drm_display_mode *mode = &radeon_crtc->base.mode;
2157 	struct evergreen_wm_params wm_low, wm_high;
2158 	u32 dram_channels;
2159 	u32 active_time;
2160 	u32 line_time = 0;
2161 	u32 latency_watermark_a = 0, latency_watermark_b = 0;
2162 	u32 priority_a_mark = 0, priority_b_mark = 0;
2163 	u32 priority_a_cnt = PRIORITY_OFF;
2164 	u32 priority_b_cnt = PRIORITY_OFF;
2165 	u32 pipe_offset = radeon_crtc->crtc_id * 16;
2166 	u32 tmp, arb_control3;
2167 	fixed20_12 a, b, c;
2168 
2169 	if (radeon_crtc->base.enabled && num_heads && mode) {
2170 		active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
2171 					    (u32)mode->clock);
2172 		line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
2173 					  (u32)mode->clock);
2174 		line_time = min(line_time, (u32)65535);
2175 		priority_a_cnt = 0;
2176 		priority_b_cnt = 0;
2177 		dram_channels = evergreen_get_number_of_dram_channels(rdev);
2178 
2179 		/* watermark for high clocks */
2180 		if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
2181 			wm_high.yclk =
2182 				radeon_dpm_get_mclk(rdev, false) * 10;
2183 			wm_high.sclk =
2184 				radeon_dpm_get_sclk(rdev, false) * 10;
2185 		} else {
2186 			wm_high.yclk = rdev->pm.current_mclk * 10;
2187 			wm_high.sclk = rdev->pm.current_sclk * 10;
2188 		}
2189 
2190 		wm_high.disp_clk = mode->clock;
2191 		wm_high.src_width = mode->crtc_hdisplay;
2192 		wm_high.active_time = active_time;
2193 		wm_high.blank_time = line_time - wm_high.active_time;
2194 		wm_high.interlaced = false;
2195 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2196 			wm_high.interlaced = true;
2197 		wm_high.vsc = radeon_crtc->vsc;
2198 		wm_high.vtaps = 1;
2199 		if (radeon_crtc->rmx_type != RMX_OFF)
2200 			wm_high.vtaps = 2;
2201 		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
2202 		wm_high.lb_size = lb_size;
2203 		wm_high.dram_channels = dram_channels;
2204 		wm_high.num_heads = num_heads;
2205 
2206 		/* watermark for low clocks */
2207 		if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
2208 			wm_low.yclk =
2209 				radeon_dpm_get_mclk(rdev, true) * 10;
2210 			wm_low.sclk =
2211 				radeon_dpm_get_sclk(rdev, true) * 10;
2212 		} else {
2213 			wm_low.yclk = rdev->pm.current_mclk * 10;
2214 			wm_low.sclk = rdev->pm.current_sclk * 10;
2215 		}
2216 
2217 		wm_low.disp_clk = mode->clock;
2218 		wm_low.src_width = mode->crtc_hdisplay;
2219 		wm_low.active_time = active_time;
2220 		wm_low.blank_time = line_time - wm_low.active_time;
2221 		wm_low.interlaced = false;
2222 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2223 			wm_low.interlaced = true;
2224 		wm_low.vsc = radeon_crtc->vsc;
2225 		wm_low.vtaps = 1;
2226 		if (radeon_crtc->rmx_type != RMX_OFF)
2227 			wm_low.vtaps = 2;
2228 		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
2229 		wm_low.lb_size = lb_size;
2230 		wm_low.dram_channels = dram_channels;
2231 		wm_low.num_heads = num_heads;
2232 
2233 		/* set for high clocks */
2234 		latency_watermark_a = min(evergreen_latency_watermark(&wm_high), (u32)65535);
2235 		/* set for low clocks */
2236 		latency_watermark_b = min(evergreen_latency_watermark(&wm_low), (u32)65535);
2237 
2238 		/* possibly force display priority to high */
2239 		/* should really do this at mode validation time... */
2240 		if (!evergreen_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
2241 		    !evergreen_average_bandwidth_vs_available_bandwidth(&wm_high) ||
2242 		    !evergreen_check_latency_hiding(&wm_high) ||
2243 		    (rdev->disp_priority == 2)) {
2244 			DRM_DEBUG_KMS("force priority a to high\n");
2245 			priority_a_cnt |= PRIORITY_ALWAYS_ON;
2246 		}
2247 		if (!evergreen_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
2248 		    !evergreen_average_bandwidth_vs_available_bandwidth(&wm_low) ||
2249 		    !evergreen_check_latency_hiding(&wm_low) ||
2250 		    (rdev->disp_priority == 2)) {
2251 			DRM_DEBUG_KMS("force priority b to high\n");
2252 			priority_b_cnt |= PRIORITY_ALWAYS_ON;
2253 		}
2254 
2255 		a.full = dfixed_const(1000);
2256 		b.full = dfixed_const(mode->clock);
2257 		b.full = dfixed_div(b, a);
2258 		c.full = dfixed_const(latency_watermark_a);
2259 		c.full = dfixed_mul(c, b);
2260 		c.full = dfixed_mul(c, radeon_crtc->hsc);
2261 		c.full = dfixed_div(c, a);
2262 		a.full = dfixed_const(16);
2263 		c.full = dfixed_div(c, a);
2264 		priority_a_mark = dfixed_trunc(c);
2265 		priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
2266 
2267 		a.full = dfixed_const(1000);
2268 		b.full = dfixed_const(mode->clock);
2269 		b.full = dfixed_div(b, a);
2270 		c.full = dfixed_const(latency_watermark_b);
2271 		c.full = dfixed_mul(c, b);
2272 		c.full = dfixed_mul(c, radeon_crtc->hsc);
2273 		c.full = dfixed_div(c, a);
2274 		a.full = dfixed_const(16);
2275 		c.full = dfixed_div(c, a);
2276 		priority_b_mark = dfixed_trunc(c);
2277 		priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
2278 
2279 		/* Save number of lines the linebuffer leads before the scanout */
2280 		radeon_crtc->lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
2281 	}
2282 
2283 	/* select wm A */
2284 	arb_control3 = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset);
2285 	tmp = arb_control3;
2286 	tmp &= ~LATENCY_WATERMARK_MASK(3);
2287 	tmp |= LATENCY_WATERMARK_MASK(1);
2288 	WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp);
2289 	WREG32(PIPE0_LATENCY_CONTROL + pipe_offset,
2290 	       (LATENCY_LOW_WATERMARK(latency_watermark_a) |
2291 		LATENCY_HIGH_WATERMARK(line_time)));
2292 	/* select wm B */
2293 	tmp = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset);
2294 	tmp &= ~LATENCY_WATERMARK_MASK(3);
2295 	tmp |= LATENCY_WATERMARK_MASK(2);
2296 	WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp);
2297 	WREG32(PIPE0_LATENCY_CONTROL + pipe_offset,
2298 	       (LATENCY_LOW_WATERMARK(latency_watermark_b) |
2299 		LATENCY_HIGH_WATERMARK(line_time)));
2300 	/* restore original selection */
2301 	WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, arb_control3);
2302 
2303 	/* write the priority marks */
2304 	WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt);
2305 	WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt);
2306 
2307 	/* save values for DPM */
2308 	radeon_crtc->line_time = line_time;
2309 	radeon_crtc->wm_high = latency_watermark_a;
2310 	radeon_crtc->wm_low = latency_watermark_b;
2311 }
2312 
2313 /**
2314  * evergreen_bandwidth_update - update display watermarks callback.
2315  *
2316  * @rdev: radeon_device pointer
2317  *
2318  * Update the display watermarks based on the requested mode(s)
2319  * (evergreen+).
2320  */
2321 void evergreen_bandwidth_update(struct radeon_device *rdev)
2322 {
2323 	struct drm_display_mode *mode0 = NULL;
2324 	struct drm_display_mode *mode1 = NULL;
2325 	u32 num_heads = 0, lb_size;
2326 	int i;
2327 
2328 	if (!rdev->mode_info.mode_config_initialized)
2329 		return;
2330 
2331 	radeon_update_display_priority(rdev);
2332 
2333 	for (i = 0; i < rdev->num_crtc; i++) {
2334 		if (rdev->mode_info.crtcs[i]->base.enabled)
2335 			num_heads++;
2336 	}
2337 	for (i = 0; i < rdev->num_crtc; i += 2) {
2338 		mode0 = &rdev->mode_info.crtcs[i]->base.mode;
2339 		mode1 = &rdev->mode_info.crtcs[i+1]->base.mode;
2340 		lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i], mode0, mode1);
2341 		evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i], lb_size, num_heads);
2342 		lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i+1], mode1, mode0);
2343 		evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i+1], lb_size, num_heads);
2344 	}
2345 }
2346 
2347 /**
2348  * evergreen_mc_wait_for_idle - wait for MC idle callback.
2349  *
2350  * @rdev: radeon_device pointer
2351  *
2352  * Wait for the MC (memory controller) to be idle.
2353  * (evergreen+).
2354  * Returns 0 if the MC is idle, -1 if not.
2355  */
2356 int evergreen_mc_wait_for_idle(struct radeon_device *rdev)
2357 {
2358 	unsigned i;
2359 	u32 tmp;
2360 
2361 	for (i = 0; i < rdev->usec_timeout; i++) {
2362 		/* read MC_STATUS */
2363 		tmp = RREG32(SRBM_STATUS) & 0x1F00;
2364 		if (!tmp)
2365 			return 0;
2366 		udelay(1);
2367 	}
2368 	return -1;
2369 }
2370 
2371 /*
2372  * GART
2373  */
2374 void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev)
2375 {
2376 	unsigned i;
2377 	u32 tmp;
2378 
2379 	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
2380 
2381 	WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
2382 	for (i = 0; i < rdev->usec_timeout; i++) {
2383 		/* read MC_STATUS */
2384 		tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
2385 		tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
2386 		if (tmp == 2) {
2387 			pr_warn("[drm] r600 flush TLB failed\n");
2388 			return;
2389 		}
2390 		if (tmp) {
2391 			return;
2392 		}
2393 		udelay(1);
2394 	}
2395 }
2396 
2397 static int evergreen_pcie_gart_enable(struct radeon_device *rdev)
2398 {
2399 	u32 tmp;
2400 	int r;
2401 
2402 	if (rdev->gart.robj == NULL) {
2403 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
2404 		return -EINVAL;
2405 	}
2406 	r = radeon_gart_table_vram_pin(rdev);
2407 	if (r)
2408 		return r;
2409 	/* Setup L2 cache */
2410 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
2411 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
2412 				EFFECTIVE_L2_QUEUE_SIZE(7));
2413 	WREG32(VM_L2_CNTL2, 0);
2414 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
2415 	/* Setup TLB control */
2416 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
2417 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
2418 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
2419 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
2420 	if (rdev->flags & RADEON_IS_IGP) {
2421 		WREG32(FUS_MC_VM_MD_L1_TLB0_CNTL, tmp);
2422 		WREG32(FUS_MC_VM_MD_L1_TLB1_CNTL, tmp);
2423 		WREG32(FUS_MC_VM_MD_L1_TLB2_CNTL, tmp);
2424 	} else {
2425 		WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
2426 		WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
2427 		WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
2428 		if ((rdev->family == CHIP_JUNIPER) ||
2429 		    (rdev->family == CHIP_CYPRESS) ||
2430 		    (rdev->family == CHIP_HEMLOCK) ||
2431 		    (rdev->family == CHIP_BARTS))
2432 			WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp);
2433 	}
2434 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
2435 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
2436 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
2437 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
2438 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
2439 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
2440 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
2441 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
2442 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
2443 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
2444 			(u32)(rdev->dummy_page.addr >> 12));
2445 	WREG32(VM_CONTEXT1_CNTL, 0);
2446 
2447 	evergreen_pcie_gart_tlb_flush(rdev);
2448 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
2449 		 (unsigned)(rdev->mc.gtt_size >> 20),
2450 		 (unsigned long long)rdev->gart.table_addr);
2451 	rdev->gart.ready = true;
2452 	return 0;
2453 }
2454 
2455 static void evergreen_pcie_gart_disable(struct radeon_device *rdev)
2456 {
2457 	u32 tmp;
2458 
2459 	/* Disable all tables */
2460 	WREG32(VM_CONTEXT0_CNTL, 0);
2461 	WREG32(VM_CONTEXT1_CNTL, 0);
2462 
2463 	/* Setup L2 cache */
2464 	WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
2465 				EFFECTIVE_L2_QUEUE_SIZE(7));
2466 	WREG32(VM_L2_CNTL2, 0);
2467 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
2468 	/* Setup TLB control */
2469 	tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
2470 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
2471 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
2472 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
2473 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
2474 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
2475 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
2476 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
2477 	radeon_gart_table_vram_unpin(rdev);
2478 }
2479 
2480 static void evergreen_pcie_gart_fini(struct radeon_device *rdev)
2481 {
2482 	evergreen_pcie_gart_disable(rdev);
2483 	radeon_gart_table_vram_free(rdev);
2484 	radeon_gart_fini(rdev);
2485 }
2486 
2487 
2488 static void evergreen_agp_enable(struct radeon_device *rdev)
2489 {
2490 	u32 tmp;
2491 
2492 	/* Setup L2 cache */
2493 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
2494 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
2495 				EFFECTIVE_L2_QUEUE_SIZE(7));
2496 	WREG32(VM_L2_CNTL2, 0);
2497 	WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
2498 	/* Setup TLB control */
2499 	tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
2500 		SYSTEM_ACCESS_MODE_NOT_IN_SYS |
2501 		SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
2502 		EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
2503 	WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
2504 	WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
2505 	WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
2506 	WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
2507 	WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
2508 	WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
2509 	WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
2510 	WREG32(VM_CONTEXT0_CNTL, 0);
2511 	WREG32(VM_CONTEXT1_CNTL, 0);
2512 }
2513 
2514 static const unsigned ni_dig_offsets[] =
2515 {
2516 	NI_DIG0_REGISTER_OFFSET,
2517 	NI_DIG1_REGISTER_OFFSET,
2518 	NI_DIG2_REGISTER_OFFSET,
2519 	NI_DIG3_REGISTER_OFFSET,
2520 	NI_DIG4_REGISTER_OFFSET,
2521 	NI_DIG5_REGISTER_OFFSET
2522 };
2523 
2524 static const unsigned ni_tx_offsets[] =
2525 {
2526 	NI_DCIO_UNIPHY0_UNIPHY_TX_CONTROL1,
2527 	NI_DCIO_UNIPHY1_UNIPHY_TX_CONTROL1,
2528 	NI_DCIO_UNIPHY2_UNIPHY_TX_CONTROL1,
2529 	NI_DCIO_UNIPHY3_UNIPHY_TX_CONTROL1,
2530 	NI_DCIO_UNIPHY4_UNIPHY_TX_CONTROL1,
2531 	NI_DCIO_UNIPHY5_UNIPHY_TX_CONTROL1
2532 };
2533 
2534 static const unsigned evergreen_dp_offsets[] =
2535 {
2536 	EVERGREEN_DP0_REGISTER_OFFSET,
2537 	EVERGREEN_DP1_REGISTER_OFFSET,
2538 	EVERGREEN_DP2_REGISTER_OFFSET,
2539 	EVERGREEN_DP3_REGISTER_OFFSET,
2540 	EVERGREEN_DP4_REGISTER_OFFSET,
2541 	EVERGREEN_DP5_REGISTER_OFFSET
2542 };
2543 
2544 static const unsigned evergreen_disp_int_status[] =
2545 {
2546 	DISP_INTERRUPT_STATUS,
2547 	DISP_INTERRUPT_STATUS_CONTINUE,
2548 	DISP_INTERRUPT_STATUS_CONTINUE2,
2549 	DISP_INTERRUPT_STATUS_CONTINUE3,
2550 	DISP_INTERRUPT_STATUS_CONTINUE4,
2551 	DISP_INTERRUPT_STATUS_CONTINUE5
2552 };
2553 
2554 /*
2555  * Assumption is that EVERGREEN_CRTC_MASTER_EN enable for requested crtc
2556  * We go from crtc to connector and it is not relible  since it
2557  * should be an opposite direction .If crtc is enable then
2558  * find the dig_fe which selects this crtc and insure that it enable.
2559  * if such dig_fe is found then find dig_be which selects found dig_be and
2560  * insure that it enable and in DP_SST mode.
2561  * if UNIPHY_PLL_CONTROL1.enable then we should disconnect timing
2562  * from dp symbols clocks .
2563  */
2564 static bool evergreen_is_dp_sst_stream_enabled(struct radeon_device *rdev,
2565 					       unsigned crtc_id, unsigned *ret_dig_fe)
2566 {
2567 	unsigned i;
2568 	unsigned dig_fe;
2569 	unsigned dig_be;
2570 	unsigned dig_en_be;
2571 	unsigned uniphy_pll;
2572 	unsigned digs_fe_selected;
2573 	unsigned dig_be_mode;
2574 	unsigned dig_fe_mask;
2575 	bool is_enabled = false;
2576 	bool found_crtc = false;
2577 
2578 	/* loop through all running dig_fe to find selected crtc */
2579 	for (i = 0; i < ARRAY_SIZE(ni_dig_offsets); i++) {
2580 		dig_fe = RREG32(NI_DIG_FE_CNTL + ni_dig_offsets[i]);
2581 		if (dig_fe & NI_DIG_FE_CNTL_SYMCLK_FE_ON &&
2582 		    crtc_id == NI_DIG_FE_CNTL_SOURCE_SELECT(dig_fe)) {
2583 			/* found running pipe */
2584 			found_crtc = true;
2585 			dig_fe_mask = 1 << i;
2586 			dig_fe = i;
2587 			break;
2588 		}
2589 	}
2590 
2591 	if (found_crtc) {
2592 		/* loop through all running dig_be to find selected dig_fe */
2593 		for (i = 0; i < ARRAY_SIZE(ni_dig_offsets); i++) {
2594 			dig_be = RREG32(NI_DIG_BE_CNTL + ni_dig_offsets[i]);
2595 			/* if dig_fe_selected by dig_be? */
2596 			digs_fe_selected = NI_DIG_BE_CNTL_FE_SOURCE_SELECT(dig_be);
2597 			dig_be_mode = NI_DIG_FE_CNTL_MODE(dig_be);
2598 			if (dig_fe_mask &  digs_fe_selected &&
2599 			    /* if dig_be in sst mode? */
2600 			    dig_be_mode == NI_DIG_BE_DPSST) {
2601 				dig_en_be = RREG32(NI_DIG_BE_EN_CNTL +
2602 						   ni_dig_offsets[i]);
2603 				uniphy_pll = RREG32(NI_DCIO_UNIPHY0_PLL_CONTROL1 +
2604 						    ni_tx_offsets[i]);
2605 				/* dig_be enable and tx is running */
2606 				if (dig_en_be & NI_DIG_BE_EN_CNTL_ENABLE &&
2607 				    dig_en_be & NI_DIG_BE_EN_CNTL_SYMBCLK_ON &&
2608 				    uniphy_pll & NI_DCIO_UNIPHY0_PLL_CONTROL1_ENABLE) {
2609 					is_enabled = true;
2610 					*ret_dig_fe = dig_fe;
2611 					break;
2612 				}
2613 			}
2614 		}
2615 	}
2616 
2617 	return is_enabled;
2618 }
2619 
2620 /*
2621  * Blank dig when in dp sst mode
2622  * Dig ignores crtc timing
2623  */
2624 static void evergreen_blank_dp_output(struct radeon_device *rdev,
2625 				      unsigned dig_fe)
2626 {
2627 	unsigned stream_ctrl;
2628 	unsigned fifo_ctrl;
2629 	unsigned counter = 0;
2630 
2631 	if (dig_fe >= ARRAY_SIZE(evergreen_dp_offsets)) {
2632 		DRM_ERROR("invalid dig_fe %d\n", dig_fe);
2633 		return;
2634 	}
2635 
2636 	stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
2637 			     evergreen_dp_offsets[dig_fe]);
2638 	if (!(stream_ctrl & EVERGREEN_DP_VID_STREAM_CNTL_ENABLE)) {
2639 		DRM_ERROR("dig %d , should be enable\n", dig_fe);
2640 		return;
2641 	}
2642 
2643 	stream_ctrl &=~EVERGREEN_DP_VID_STREAM_CNTL_ENABLE;
2644 	WREG32(EVERGREEN_DP_VID_STREAM_CNTL +
2645 	       evergreen_dp_offsets[dig_fe], stream_ctrl);
2646 
2647 	stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
2648 			     evergreen_dp_offsets[dig_fe]);
2649 	while (counter < 32 && stream_ctrl & EVERGREEN_DP_VID_STREAM_STATUS) {
2650 		msleep(1);
2651 		counter++;
2652 		stream_ctrl = RREG32(EVERGREEN_DP_VID_STREAM_CNTL +
2653 				     evergreen_dp_offsets[dig_fe]);
2654 	}
2655 	if (counter >= 32 )
2656 		DRM_ERROR("counter exceeds %d\n", counter);
2657 
2658 	fifo_ctrl = RREG32(EVERGREEN_DP_STEER_FIFO + evergreen_dp_offsets[dig_fe]);
2659 	fifo_ctrl |= EVERGREEN_DP_STEER_FIFO_RESET;
2660 	WREG32(EVERGREEN_DP_STEER_FIFO + evergreen_dp_offsets[dig_fe], fifo_ctrl);
2661 
2662 }
2663 
2664 void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
2665 {
2666 	u32 crtc_enabled, tmp, frame_count, blackout;
2667 	int i, j;
2668 	unsigned dig_fe;
2669 
2670 	if (!ASIC_IS_NODCE(rdev)) {
2671 		save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
2672 		save->vga_hdp_control = RREG32(VGA_HDP_CONTROL);
2673 
2674 		/* disable VGA render */
2675 		WREG32(VGA_RENDER_CONTROL, 0);
2676 	}
2677 	/* blank the display controllers */
2678 	for (i = 0; i < rdev->num_crtc; i++) {
2679 		crtc_enabled = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]) & EVERGREEN_CRTC_MASTER_EN;
2680 		if (crtc_enabled) {
2681 			save->crtc_enabled[i] = true;
2682 			if (ASIC_IS_DCE6(rdev)) {
2683 				tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
2684 				if (!(tmp & EVERGREEN_CRTC_BLANK_DATA_EN)) {
2685 					radeon_wait_for_vblank(rdev, i);
2686 					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2687 					tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
2688 					WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
2689 					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2690 				}
2691 			} else {
2692 				tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
2693 				if (!(tmp & EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE)) {
2694 					radeon_wait_for_vblank(rdev, i);
2695 					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2696 					tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
2697 					WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
2698 					WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2699 				}
2700 			}
2701 			/* wait for the next frame */
2702 			frame_count = radeon_get_vblank_counter(rdev, i);
2703 			for (j = 0; j < rdev->usec_timeout; j++) {
2704 				if (radeon_get_vblank_counter(rdev, i) != frame_count)
2705 					break;
2706 				udelay(1);
2707 			}
2708 			/*we should disable dig if it drives dp sst*/
2709 			/*but we are in radeon_device_init and the topology is unknown*/
2710 			/*and it is available after radeon_modeset_init*/
2711 			/*the following method radeon_atom_encoder_dpms_dig*/
2712 			/*does the job if we initialize it properly*/
2713 			/*for now we do it this manually*/
2714 			/**/
2715 			if (ASIC_IS_DCE5(rdev) &&
2716 			    evergreen_is_dp_sst_stream_enabled(rdev, i ,&dig_fe))
2717 				evergreen_blank_dp_output(rdev, dig_fe);
2718 			/*we could remove 6 lines below*/
2719 			/* XXX this is a hack to avoid strange behavior with EFI on certain systems */
2720 			WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2721 			tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
2722 			tmp &= ~EVERGREEN_CRTC_MASTER_EN;
2723 			WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
2724 			WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2725 			save->crtc_enabled[i] = false;
2726 			/* ***** */
2727 		} else {
2728 			save->crtc_enabled[i] = false;
2729 		}
2730 	}
2731 
2732 	radeon_mc_wait_for_idle(rdev);
2733 
2734 	blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
2735 	if ((blackout & BLACKOUT_MODE_MASK) != 1) {
2736 		/* Block CPU access */
2737 		WREG32(BIF_FB_EN, 0);
2738 		/* blackout the MC */
2739 		blackout &= ~BLACKOUT_MODE_MASK;
2740 		WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1);
2741 	}
2742 	/* wait for the MC to settle */
2743 	udelay(100);
2744 
2745 	/* lock double buffered regs */
2746 	for (i = 0; i < rdev->num_crtc; i++) {
2747 		if (save->crtc_enabled[i]) {
2748 			tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]);
2749 			if (!(tmp & EVERGREEN_GRPH_UPDATE_LOCK)) {
2750 				tmp |= EVERGREEN_GRPH_UPDATE_LOCK;
2751 				WREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i], tmp);
2752 			}
2753 			tmp = RREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i]);
2754 			if (!(tmp & 1)) {
2755 				tmp |= 1;
2756 				WREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
2757 			}
2758 		}
2759 	}
2760 }
2761 
2762 void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
2763 {
2764 	u32 tmp, frame_count;
2765 	int i, j;
2766 
2767 	/* update crtc base addresses */
2768 	for (i = 0; i < rdev->num_crtc; i++) {
2769 		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
2770 		       upper_32_bits(rdev->mc.vram_start));
2771 		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
2772 		       upper_32_bits(rdev->mc.vram_start));
2773 		WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
2774 		       (u32)rdev->mc.vram_start);
2775 		WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
2776 		       (u32)rdev->mc.vram_start);
2777 	}
2778 
2779 	if (!ASIC_IS_NODCE(rdev)) {
2780 		WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
2781 		WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
2782 	}
2783 
2784 	/* unlock regs and wait for update */
2785 	for (i = 0; i < rdev->num_crtc; i++) {
2786 		if (save->crtc_enabled[i]) {
2787 			tmp = RREG32(EVERGREEN_MASTER_UPDATE_MODE + crtc_offsets[i]);
2788 			if ((tmp & 0x7) != 0) {
2789 				tmp &= ~0x7;
2790 				WREG32(EVERGREEN_MASTER_UPDATE_MODE + crtc_offsets[i], tmp);
2791 			}
2792 			tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]);
2793 			if (tmp & EVERGREEN_GRPH_UPDATE_LOCK) {
2794 				tmp &= ~EVERGREEN_GRPH_UPDATE_LOCK;
2795 				WREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i], tmp);
2796 			}
2797 			tmp = RREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i]);
2798 			if (tmp & 1) {
2799 				tmp &= ~1;
2800 				WREG32(EVERGREEN_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
2801 			}
2802 			for (j = 0; j < rdev->usec_timeout; j++) {
2803 				tmp = RREG32(EVERGREEN_GRPH_UPDATE + crtc_offsets[i]);
2804 				if ((tmp & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING) == 0)
2805 					break;
2806 				udelay(1);
2807 			}
2808 		}
2809 	}
2810 
2811 	/* unblackout the MC */
2812 	tmp = RREG32(MC_SHARED_BLACKOUT_CNTL);
2813 	tmp &= ~BLACKOUT_MODE_MASK;
2814 	WREG32(MC_SHARED_BLACKOUT_CNTL, tmp);
2815 	/* allow CPU access */
2816 	WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
2817 
2818 	for (i = 0; i < rdev->num_crtc; i++) {
2819 		if (save->crtc_enabled[i]) {
2820 			if (ASIC_IS_DCE6(rdev)) {
2821 				tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
2822 				tmp &= ~EVERGREEN_CRTC_BLANK_DATA_EN;
2823 				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2824 				WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
2825 				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2826 			} else {
2827 				tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
2828 				tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
2829 				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
2830 				WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
2831 				WREG32(EVERGREEN_CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
2832 			}
2833 			/* wait for the next frame */
2834 			frame_count = radeon_get_vblank_counter(rdev, i);
2835 			for (j = 0; j < rdev->usec_timeout; j++) {
2836 				if (radeon_get_vblank_counter(rdev, i) != frame_count)
2837 					break;
2838 				udelay(1);
2839 			}
2840 		}
2841 	}
2842 	if (!ASIC_IS_NODCE(rdev)) {
2843 		/* Unlock vga access */
2844 		WREG32(VGA_HDP_CONTROL, save->vga_hdp_control);
2845 		mdelay(1);
2846 		WREG32(VGA_RENDER_CONTROL, save->vga_render_control);
2847 	}
2848 }
2849 
2850 void evergreen_mc_program(struct radeon_device *rdev)
2851 {
2852 	struct evergreen_mc_save save;
2853 	u32 tmp;
2854 	int i, j;
2855 
2856 	/* Initialize HDP */
2857 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
2858 		WREG32((0x2c14 + j), 0x00000000);
2859 		WREG32((0x2c18 + j), 0x00000000);
2860 		WREG32((0x2c1c + j), 0x00000000);
2861 		WREG32((0x2c20 + j), 0x00000000);
2862 		WREG32((0x2c24 + j), 0x00000000);
2863 	}
2864 	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
2865 
2866 	evergreen_mc_stop(rdev, &save);
2867 	if (evergreen_mc_wait_for_idle(rdev)) {
2868 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
2869 	}
2870 	/* Lockout access through VGA aperture*/
2871 	WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
2872 	/* Update configuration */
2873 	if (rdev->flags & RADEON_IS_AGP) {
2874 		if (rdev->mc.vram_start < rdev->mc.gtt_start) {
2875 			/* VRAM before AGP */
2876 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
2877 				rdev->mc.vram_start >> 12);
2878 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
2879 				rdev->mc.gtt_end >> 12);
2880 		} else {
2881 			/* VRAM after AGP */
2882 			WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
2883 				rdev->mc.gtt_start >> 12);
2884 			WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
2885 				rdev->mc.vram_end >> 12);
2886 		}
2887 	} else {
2888 		WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
2889 			rdev->mc.vram_start >> 12);
2890 		WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
2891 			rdev->mc.vram_end >> 12);
2892 	}
2893 	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
2894 	/* llano/ontario only */
2895 	if ((rdev->family == CHIP_PALM) ||
2896 	    (rdev->family == CHIP_SUMO) ||
2897 	    (rdev->family == CHIP_SUMO2)) {
2898 		tmp = RREG32(MC_FUS_VM_FB_OFFSET) & 0x000FFFFF;
2899 		tmp |= ((rdev->mc.vram_end >> 20) & 0xF) << 24;
2900 		tmp |= ((rdev->mc.vram_start >> 20) & 0xF) << 20;
2901 		WREG32(MC_FUS_VM_FB_OFFSET, tmp);
2902 	}
2903 	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
2904 	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
2905 	WREG32(MC_VM_FB_LOCATION, tmp);
2906 	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
2907 	WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
2908 	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
2909 	if (rdev->flags & RADEON_IS_AGP) {
2910 		WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
2911 		WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
2912 		WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
2913 	} else {
2914 		WREG32(MC_VM_AGP_BASE, 0);
2915 		WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
2916 		WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
2917 	}
2918 	if (evergreen_mc_wait_for_idle(rdev)) {
2919 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
2920 	}
2921 	evergreen_mc_resume(rdev, &save);
2922 	/* we need to own VRAM, so turn off the VGA renderer here
2923 	 * to stop it overwriting our objects */
2924 	rv515_vga_render_disable(rdev);
2925 }
2926 
2927 /*
2928  * CP.
2929  */
2930 void evergreen_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
2931 {
2932 	struct radeon_ring *ring = &rdev->ring[ib->ring];
2933 	u32 next_rptr;
2934 
2935 	/* set to DX10/11 mode */
2936 	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
2937 	radeon_ring_write(ring, 1);
2938 
2939 	if (ring->rptr_save_reg) {
2940 		next_rptr = ring->wptr + 3 + 4;
2941 		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2942 		radeon_ring_write(ring, ((ring->rptr_save_reg -
2943 					  PACKET3_SET_CONFIG_REG_START) >> 2));
2944 		radeon_ring_write(ring, next_rptr);
2945 	} else if (rdev->wb.enabled) {
2946 		next_rptr = ring->wptr + 5 + 4;
2947 		radeon_ring_write(ring, PACKET3(PACKET3_MEM_WRITE, 3));
2948 		radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
2949 		radeon_ring_write(ring, (upper_32_bits(ring->next_rptr_gpu_addr) & 0xff) | (1 << 18));
2950 		radeon_ring_write(ring, next_rptr);
2951 		radeon_ring_write(ring, 0);
2952 	}
2953 
2954 	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
2955 	radeon_ring_write(ring,
2956 #ifdef __BIG_ENDIAN
2957 			  (2 << 0) |
2958 #endif
2959 			  (ib->gpu_addr & 0xFFFFFFFC));
2960 	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
2961 	radeon_ring_write(ring, ib->length_dw);
2962 }
2963 
2964 
2965 static int evergreen_cp_load_microcode(struct radeon_device *rdev)
2966 {
2967 	const __be32 *fw_data;
2968 	int i;
2969 
2970 	if (!rdev->me_fw || !rdev->pfp_fw)
2971 		return -EINVAL;
2972 
2973 	r700_cp_stop(rdev);
2974 	WREG32(CP_RB_CNTL,
2975 #ifdef __BIG_ENDIAN
2976 	       BUF_SWAP_32BIT |
2977 #endif
2978 	       RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
2979 
2980 	fw_data = (const __be32 *)rdev->pfp_fw->data;
2981 	WREG32(CP_PFP_UCODE_ADDR, 0);
2982 	for (i = 0; i < EVERGREEN_PFP_UCODE_SIZE; i++)
2983 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
2984 	WREG32(CP_PFP_UCODE_ADDR, 0);
2985 
2986 	fw_data = (const __be32 *)rdev->me_fw->data;
2987 	WREG32(CP_ME_RAM_WADDR, 0);
2988 	for (i = 0; i < EVERGREEN_PM4_UCODE_SIZE; i++)
2989 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
2990 
2991 	WREG32(CP_PFP_UCODE_ADDR, 0);
2992 	WREG32(CP_ME_RAM_WADDR, 0);
2993 	WREG32(CP_ME_RAM_RADDR, 0);
2994 	return 0;
2995 }
2996 
2997 static int evergreen_cp_start(struct radeon_device *rdev)
2998 {
2999 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3000 	int r, i;
3001 	uint32_t cp_me;
3002 
3003 	r = radeon_ring_lock(rdev, ring, 7);
3004 	if (r) {
3005 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3006 		return r;
3007 	}
3008 	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
3009 	radeon_ring_write(ring, 0x1);
3010 	radeon_ring_write(ring, 0x0);
3011 	radeon_ring_write(ring, rdev->config.evergreen.max_hw_contexts - 1);
3012 	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
3013 	radeon_ring_write(ring, 0);
3014 	radeon_ring_write(ring, 0);
3015 	radeon_ring_unlock_commit(rdev, ring, false);
3016 
3017 	cp_me = 0xff;
3018 	WREG32(CP_ME_CNTL, cp_me);
3019 
3020 	r = radeon_ring_lock(rdev, ring, evergreen_default_size + 19);
3021 	if (r) {
3022 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3023 		return r;
3024 	}
3025 
3026 	/* setup clear context state */
3027 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
3028 	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
3029 
3030 	for (i = 0; i < evergreen_default_size; i++)
3031 		radeon_ring_write(ring, evergreen_default_state[i]);
3032 
3033 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
3034 	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
3035 
3036 	/* set clear context state */
3037 	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
3038 	radeon_ring_write(ring, 0);
3039 
3040 	/* SQ_VTX_BASE_VTX_LOC */
3041 	radeon_ring_write(ring, 0xc0026f00);
3042 	radeon_ring_write(ring, 0x00000000);
3043 	radeon_ring_write(ring, 0x00000000);
3044 	radeon_ring_write(ring, 0x00000000);
3045 
3046 	/* Clear consts */
3047 	radeon_ring_write(ring, 0xc0036f00);
3048 	radeon_ring_write(ring, 0x00000bc4);
3049 	radeon_ring_write(ring, 0xffffffff);
3050 	radeon_ring_write(ring, 0xffffffff);
3051 	radeon_ring_write(ring, 0xffffffff);
3052 
3053 	radeon_ring_write(ring, 0xc0026900);
3054 	radeon_ring_write(ring, 0x00000316);
3055 	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
3056 	radeon_ring_write(ring, 0x00000010); /*  */
3057 
3058 	radeon_ring_unlock_commit(rdev, ring, false);
3059 
3060 	return 0;
3061 }
3062 
3063 static int evergreen_cp_resume(struct radeon_device *rdev)
3064 {
3065 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3066 	u32 tmp;
3067 	u32 rb_bufsz;
3068 	int r;
3069 
3070 	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
3071 	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
3072 				 SOFT_RESET_PA |
3073 				 SOFT_RESET_SH |
3074 				 SOFT_RESET_VGT |
3075 				 SOFT_RESET_SPI |
3076 				 SOFT_RESET_SX));
3077 	RREG32(GRBM_SOFT_RESET);
3078 	mdelay(15);
3079 	WREG32(GRBM_SOFT_RESET, 0);
3080 	RREG32(GRBM_SOFT_RESET);
3081 
3082 	/* Set ring buffer size */
3083 	rb_bufsz = order_base_2(ring->ring_size / 8);
3084 	tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
3085 #ifdef __BIG_ENDIAN
3086 	tmp |= BUF_SWAP_32BIT;
3087 #endif
3088 	WREG32(CP_RB_CNTL, tmp);
3089 	WREG32(CP_SEM_WAIT_TIMER, 0x0);
3090 	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
3091 
3092 	/* Set the write pointer delay */
3093 	WREG32(CP_RB_WPTR_DELAY, 0);
3094 
3095 	/* Initialize the ring buffer's read and write pointers */
3096 	WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
3097 	WREG32(CP_RB_RPTR_WR, 0);
3098 	ring->wptr = 0;
3099 	WREG32(CP_RB_WPTR, ring->wptr);
3100 
3101 	/* set the wb address whether it's enabled or not */
3102 	WREG32(CP_RB_RPTR_ADDR,
3103 	       ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
3104 	WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
3105 	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
3106 
3107 	if (rdev->wb.enabled)
3108 		WREG32(SCRATCH_UMSK, 0xff);
3109 	else {
3110 		tmp |= RB_NO_UPDATE;
3111 		WREG32(SCRATCH_UMSK, 0);
3112 	}
3113 
3114 	mdelay(1);
3115 	WREG32(CP_RB_CNTL, tmp);
3116 
3117 	WREG32(CP_RB_BASE, ring->gpu_addr >> 8);
3118 	WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
3119 
3120 	evergreen_cp_start(rdev);
3121 	ring->ready = true;
3122 	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
3123 	if (r) {
3124 		ring->ready = false;
3125 		return r;
3126 	}
3127 	return 0;
3128 }
3129 
3130 /*
3131  * Core functions
3132  */
3133 static void evergreen_gpu_init(struct radeon_device *rdev)
3134 {
3135 	u32 gb_addr_config;
3136 	u32 mc_shared_chmap, mc_arb_ramcfg;
3137 	u32 sx_debug_1;
3138 	u32 smx_dc_ctl0;
3139 	u32 sq_config;
3140 	u32 sq_lds_resource_mgmt;
3141 	u32 sq_gpr_resource_mgmt_1;
3142 	u32 sq_gpr_resource_mgmt_2;
3143 	u32 sq_gpr_resource_mgmt_3;
3144 	u32 sq_thread_resource_mgmt;
3145 	u32 sq_thread_resource_mgmt_2;
3146 	u32 sq_stack_resource_mgmt_1;
3147 	u32 sq_stack_resource_mgmt_2;
3148 	u32 sq_stack_resource_mgmt_3;
3149 	u32 vgt_cache_invalidation;
3150 	u32 hdp_host_path_cntl, tmp;
3151 	u32 disabled_rb_mask;
3152 	int i, j, ps_thread_count;
3153 
3154 	switch (rdev->family) {
3155 	case CHIP_CYPRESS:
3156 	case CHIP_HEMLOCK:
3157 		rdev->config.evergreen.num_ses = 2;
3158 		rdev->config.evergreen.max_pipes = 4;
3159 		rdev->config.evergreen.max_tile_pipes = 8;
3160 		rdev->config.evergreen.max_simds = 10;
3161 		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
3162 		rdev->config.evergreen.max_gprs = 256;
3163 		rdev->config.evergreen.max_threads = 248;
3164 		rdev->config.evergreen.max_gs_threads = 32;
3165 		rdev->config.evergreen.max_stack_entries = 512;
3166 		rdev->config.evergreen.sx_num_of_sets = 4;
3167 		rdev->config.evergreen.sx_max_export_size = 256;
3168 		rdev->config.evergreen.sx_max_export_pos_size = 64;
3169 		rdev->config.evergreen.sx_max_export_smx_size = 192;
3170 		rdev->config.evergreen.max_hw_contexts = 8;
3171 		rdev->config.evergreen.sq_num_cf_insts = 2;
3172 
3173 		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3174 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3175 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3176 		gb_addr_config = CYPRESS_GB_ADDR_CONFIG_GOLDEN;
3177 		break;
3178 	case CHIP_JUNIPER:
3179 		rdev->config.evergreen.num_ses = 1;
3180 		rdev->config.evergreen.max_pipes = 4;
3181 		rdev->config.evergreen.max_tile_pipes = 4;
3182 		rdev->config.evergreen.max_simds = 10;
3183 		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
3184 		rdev->config.evergreen.max_gprs = 256;
3185 		rdev->config.evergreen.max_threads = 248;
3186 		rdev->config.evergreen.max_gs_threads = 32;
3187 		rdev->config.evergreen.max_stack_entries = 512;
3188 		rdev->config.evergreen.sx_num_of_sets = 4;
3189 		rdev->config.evergreen.sx_max_export_size = 256;
3190 		rdev->config.evergreen.sx_max_export_pos_size = 64;
3191 		rdev->config.evergreen.sx_max_export_smx_size = 192;
3192 		rdev->config.evergreen.max_hw_contexts = 8;
3193 		rdev->config.evergreen.sq_num_cf_insts = 2;
3194 
3195 		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3196 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3197 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3198 		gb_addr_config = JUNIPER_GB_ADDR_CONFIG_GOLDEN;
3199 		break;
3200 	case CHIP_REDWOOD:
3201 		rdev->config.evergreen.num_ses = 1;
3202 		rdev->config.evergreen.max_pipes = 4;
3203 		rdev->config.evergreen.max_tile_pipes = 4;
3204 		rdev->config.evergreen.max_simds = 5;
3205 		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
3206 		rdev->config.evergreen.max_gprs = 256;
3207 		rdev->config.evergreen.max_threads = 248;
3208 		rdev->config.evergreen.max_gs_threads = 32;
3209 		rdev->config.evergreen.max_stack_entries = 256;
3210 		rdev->config.evergreen.sx_num_of_sets = 4;
3211 		rdev->config.evergreen.sx_max_export_size = 256;
3212 		rdev->config.evergreen.sx_max_export_pos_size = 64;
3213 		rdev->config.evergreen.sx_max_export_smx_size = 192;
3214 		rdev->config.evergreen.max_hw_contexts = 8;
3215 		rdev->config.evergreen.sq_num_cf_insts = 2;
3216 
3217 		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3218 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3219 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3220 		gb_addr_config = REDWOOD_GB_ADDR_CONFIG_GOLDEN;
3221 		break;
3222 	case CHIP_CEDAR:
3223 	default:
3224 		rdev->config.evergreen.num_ses = 1;
3225 		rdev->config.evergreen.max_pipes = 2;
3226 		rdev->config.evergreen.max_tile_pipes = 2;
3227 		rdev->config.evergreen.max_simds = 2;
3228 		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
3229 		rdev->config.evergreen.max_gprs = 256;
3230 		rdev->config.evergreen.max_threads = 192;
3231 		rdev->config.evergreen.max_gs_threads = 16;
3232 		rdev->config.evergreen.max_stack_entries = 256;
3233 		rdev->config.evergreen.sx_num_of_sets = 4;
3234 		rdev->config.evergreen.sx_max_export_size = 128;
3235 		rdev->config.evergreen.sx_max_export_pos_size = 32;
3236 		rdev->config.evergreen.sx_max_export_smx_size = 96;
3237 		rdev->config.evergreen.max_hw_contexts = 4;
3238 		rdev->config.evergreen.sq_num_cf_insts = 1;
3239 
3240 		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3241 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3242 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3243 		gb_addr_config = CEDAR_GB_ADDR_CONFIG_GOLDEN;
3244 		break;
3245 	case CHIP_PALM:
3246 		rdev->config.evergreen.num_ses = 1;
3247 		rdev->config.evergreen.max_pipes = 2;
3248 		rdev->config.evergreen.max_tile_pipes = 2;
3249 		rdev->config.evergreen.max_simds = 2;
3250 		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
3251 		rdev->config.evergreen.max_gprs = 256;
3252 		rdev->config.evergreen.max_threads = 192;
3253 		rdev->config.evergreen.max_gs_threads = 16;
3254 		rdev->config.evergreen.max_stack_entries = 256;
3255 		rdev->config.evergreen.sx_num_of_sets = 4;
3256 		rdev->config.evergreen.sx_max_export_size = 128;
3257 		rdev->config.evergreen.sx_max_export_pos_size = 32;
3258 		rdev->config.evergreen.sx_max_export_smx_size = 96;
3259 		rdev->config.evergreen.max_hw_contexts = 4;
3260 		rdev->config.evergreen.sq_num_cf_insts = 1;
3261 
3262 		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3263 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3264 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3265 		gb_addr_config = CEDAR_GB_ADDR_CONFIG_GOLDEN;
3266 		break;
3267 	case CHIP_SUMO:
3268 		rdev->config.evergreen.num_ses = 1;
3269 		rdev->config.evergreen.max_pipes = 4;
3270 		rdev->config.evergreen.max_tile_pipes = 4;
3271 		if (rdev->pdev->device == 0x9648)
3272 			rdev->config.evergreen.max_simds = 3;
3273 		else if ((rdev->pdev->device == 0x9647) ||
3274 			 (rdev->pdev->device == 0x964a))
3275 			rdev->config.evergreen.max_simds = 4;
3276 		else
3277 			rdev->config.evergreen.max_simds = 5;
3278 		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
3279 		rdev->config.evergreen.max_gprs = 256;
3280 		rdev->config.evergreen.max_threads = 248;
3281 		rdev->config.evergreen.max_gs_threads = 32;
3282 		rdev->config.evergreen.max_stack_entries = 256;
3283 		rdev->config.evergreen.sx_num_of_sets = 4;
3284 		rdev->config.evergreen.sx_max_export_size = 256;
3285 		rdev->config.evergreen.sx_max_export_pos_size = 64;
3286 		rdev->config.evergreen.sx_max_export_smx_size = 192;
3287 		rdev->config.evergreen.max_hw_contexts = 8;
3288 		rdev->config.evergreen.sq_num_cf_insts = 2;
3289 
3290 		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3291 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3292 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3293 		gb_addr_config = SUMO_GB_ADDR_CONFIG_GOLDEN;
3294 		break;
3295 	case CHIP_SUMO2:
3296 		rdev->config.evergreen.num_ses = 1;
3297 		rdev->config.evergreen.max_pipes = 4;
3298 		rdev->config.evergreen.max_tile_pipes = 4;
3299 		rdev->config.evergreen.max_simds = 2;
3300 		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
3301 		rdev->config.evergreen.max_gprs = 256;
3302 		rdev->config.evergreen.max_threads = 248;
3303 		rdev->config.evergreen.max_gs_threads = 32;
3304 		rdev->config.evergreen.max_stack_entries = 512;
3305 		rdev->config.evergreen.sx_num_of_sets = 4;
3306 		rdev->config.evergreen.sx_max_export_size = 256;
3307 		rdev->config.evergreen.sx_max_export_pos_size = 64;
3308 		rdev->config.evergreen.sx_max_export_smx_size = 192;
3309 		rdev->config.evergreen.max_hw_contexts = 4;
3310 		rdev->config.evergreen.sq_num_cf_insts = 2;
3311 
3312 		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3313 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3314 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3315 		gb_addr_config = SUMO2_GB_ADDR_CONFIG_GOLDEN;
3316 		break;
3317 	case CHIP_BARTS:
3318 		rdev->config.evergreen.num_ses = 2;
3319 		rdev->config.evergreen.max_pipes = 4;
3320 		rdev->config.evergreen.max_tile_pipes = 8;
3321 		rdev->config.evergreen.max_simds = 7;
3322 		rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
3323 		rdev->config.evergreen.max_gprs = 256;
3324 		rdev->config.evergreen.max_threads = 248;
3325 		rdev->config.evergreen.max_gs_threads = 32;
3326 		rdev->config.evergreen.max_stack_entries = 512;
3327 		rdev->config.evergreen.sx_num_of_sets = 4;
3328 		rdev->config.evergreen.sx_max_export_size = 256;
3329 		rdev->config.evergreen.sx_max_export_pos_size = 64;
3330 		rdev->config.evergreen.sx_max_export_smx_size = 192;
3331 		rdev->config.evergreen.max_hw_contexts = 8;
3332 		rdev->config.evergreen.sq_num_cf_insts = 2;
3333 
3334 		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3335 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3336 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3337 		gb_addr_config = BARTS_GB_ADDR_CONFIG_GOLDEN;
3338 		break;
3339 	case CHIP_TURKS:
3340 		rdev->config.evergreen.num_ses = 1;
3341 		rdev->config.evergreen.max_pipes = 4;
3342 		rdev->config.evergreen.max_tile_pipes = 4;
3343 		rdev->config.evergreen.max_simds = 6;
3344 		rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
3345 		rdev->config.evergreen.max_gprs = 256;
3346 		rdev->config.evergreen.max_threads = 248;
3347 		rdev->config.evergreen.max_gs_threads = 32;
3348 		rdev->config.evergreen.max_stack_entries = 256;
3349 		rdev->config.evergreen.sx_num_of_sets = 4;
3350 		rdev->config.evergreen.sx_max_export_size = 256;
3351 		rdev->config.evergreen.sx_max_export_pos_size = 64;
3352 		rdev->config.evergreen.sx_max_export_smx_size = 192;
3353 		rdev->config.evergreen.max_hw_contexts = 8;
3354 		rdev->config.evergreen.sq_num_cf_insts = 2;
3355 
3356 		rdev->config.evergreen.sc_prim_fifo_size = 0x100;
3357 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3358 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3359 		gb_addr_config = TURKS_GB_ADDR_CONFIG_GOLDEN;
3360 		break;
3361 	case CHIP_CAICOS:
3362 		rdev->config.evergreen.num_ses = 1;
3363 		rdev->config.evergreen.max_pipes = 2;
3364 		rdev->config.evergreen.max_tile_pipes = 2;
3365 		rdev->config.evergreen.max_simds = 2;
3366 		rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
3367 		rdev->config.evergreen.max_gprs = 256;
3368 		rdev->config.evergreen.max_threads = 192;
3369 		rdev->config.evergreen.max_gs_threads = 16;
3370 		rdev->config.evergreen.max_stack_entries = 256;
3371 		rdev->config.evergreen.sx_num_of_sets = 4;
3372 		rdev->config.evergreen.sx_max_export_size = 128;
3373 		rdev->config.evergreen.sx_max_export_pos_size = 32;
3374 		rdev->config.evergreen.sx_max_export_smx_size = 96;
3375 		rdev->config.evergreen.max_hw_contexts = 4;
3376 		rdev->config.evergreen.sq_num_cf_insts = 1;
3377 
3378 		rdev->config.evergreen.sc_prim_fifo_size = 0x40;
3379 		rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
3380 		rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
3381 		gb_addr_config = CAICOS_GB_ADDR_CONFIG_GOLDEN;
3382 		break;
3383 	}
3384 
3385 	/* Initialize HDP */
3386 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
3387 		WREG32((0x2c14 + j), 0x00000000);
3388 		WREG32((0x2c18 + j), 0x00000000);
3389 		WREG32((0x2c1c + j), 0x00000000);
3390 		WREG32((0x2c20 + j), 0x00000000);
3391 		WREG32((0x2c24 + j), 0x00000000);
3392 	}
3393 
3394 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
3395 	WREG32(SRBM_INT_CNTL, 0x1);
3396 	WREG32(SRBM_INT_ACK, 0x1);
3397 
3398 	evergreen_fix_pci_max_read_req_size(rdev);
3399 
3400 	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
3401 	if ((rdev->family == CHIP_PALM) ||
3402 	    (rdev->family == CHIP_SUMO) ||
3403 	    (rdev->family == CHIP_SUMO2))
3404 		mc_arb_ramcfg = RREG32(FUS_MC_ARB_RAMCFG);
3405 	else
3406 		mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
3407 
3408 	/* setup tiling info dword.  gb_addr_config is not adequate since it does
3409 	 * not have bank info, so create a custom tiling dword.
3410 	 * bits 3:0   num_pipes
3411 	 * bits 7:4   num_banks
3412 	 * bits 11:8  group_size
3413 	 * bits 15:12 row_size
3414 	 */
3415 	rdev->config.evergreen.tile_config = 0;
3416 	switch (rdev->config.evergreen.max_tile_pipes) {
3417 	case 1:
3418 	default:
3419 		rdev->config.evergreen.tile_config |= (0 << 0);
3420 		break;
3421 	case 2:
3422 		rdev->config.evergreen.tile_config |= (1 << 0);
3423 		break;
3424 	case 4:
3425 		rdev->config.evergreen.tile_config |= (2 << 0);
3426 		break;
3427 	case 8:
3428 		rdev->config.evergreen.tile_config |= (3 << 0);
3429 		break;
3430 	}
3431 	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
3432 	if (rdev->flags & RADEON_IS_IGP)
3433 		rdev->config.evergreen.tile_config |= 1 << 4;
3434 	else {
3435 		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
3436 		case 0: /* four banks */
3437 			rdev->config.evergreen.tile_config |= 0 << 4;
3438 			break;
3439 		case 1: /* eight banks */
3440 			rdev->config.evergreen.tile_config |= 1 << 4;
3441 			break;
3442 		case 2: /* sixteen banks */
3443 		default:
3444 			rdev->config.evergreen.tile_config |= 2 << 4;
3445 			break;
3446 		}
3447 	}
3448 	rdev->config.evergreen.tile_config |= 0 << 8;
3449 	rdev->config.evergreen.tile_config |=
3450 		((gb_addr_config & 0x30000000) >> 28) << 12;
3451 
3452 	if ((rdev->family >= CHIP_CEDAR) && (rdev->family <= CHIP_HEMLOCK)) {
3453 		u32 efuse_straps_4;
3454 		u32 efuse_straps_3;
3455 
3456 		efuse_straps_4 = RREG32_RCU(0x204);
3457 		efuse_straps_3 = RREG32_RCU(0x203);
3458 		tmp = (((efuse_straps_4 & 0xf) << 4) |
3459 		      ((efuse_straps_3 & 0xf0000000) >> 28));
3460 	} else {
3461 		tmp = 0;
3462 		for (i = (rdev->config.evergreen.num_ses - 1); i >= 0; i--) {
3463 			u32 rb_disable_bitmap;
3464 
3465 			WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
3466 			WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
3467 			rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
3468 			tmp <<= 4;
3469 			tmp |= rb_disable_bitmap;
3470 		}
3471 	}
3472 	/* enabled rb are just the one not disabled :) */
3473 	disabled_rb_mask = tmp;
3474 	tmp = 0;
3475 	for (i = 0; i < rdev->config.evergreen.max_backends; i++)
3476 		tmp |= (1 << i);
3477 	/* if all the backends are disabled, fix it up here */
3478 	if ((disabled_rb_mask & tmp) == tmp) {
3479 		for (i = 0; i < rdev->config.evergreen.max_backends; i++)
3480 			disabled_rb_mask &= ~(1 << i);
3481 	}
3482 
3483 	for (i = 0; i < rdev->config.evergreen.num_ses; i++) {
3484 		u32 simd_disable_bitmap;
3485 
3486 		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
3487 		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
3488 		simd_disable_bitmap = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16;
3489 		simd_disable_bitmap |= 0xffffffff << rdev->config.evergreen.max_simds;
3490 		tmp <<= 16;
3491 		tmp |= simd_disable_bitmap;
3492 	}
3493 	rdev->config.evergreen.active_simds = hweight32(~tmp);
3494 
3495 	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
3496 	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
3497 
3498 	WREG32(GB_ADDR_CONFIG, gb_addr_config);
3499 	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
3500 	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
3501 	WREG32(DMA_TILING_CONFIG, gb_addr_config);
3502 	WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
3503 	WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
3504 	WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
3505 
3506 	if ((rdev->config.evergreen.max_backends == 1) &&
3507 	    (rdev->flags & RADEON_IS_IGP)) {
3508 		if ((disabled_rb_mask & 3) == 1) {
3509 			/* RB0 disabled, RB1 enabled */
3510 			tmp = 0x11111111;
3511 		} else {
3512 			/* RB1 disabled, RB0 enabled */
3513 			tmp = 0x00000000;
3514 		}
3515 	} else {
3516 		tmp = gb_addr_config & NUM_PIPES_MASK;
3517 		tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends,
3518 						EVERGREEN_MAX_BACKENDS, disabled_rb_mask);
3519 	}
3520 	rdev->config.evergreen.backend_map = tmp;
3521 	WREG32(GB_BACKEND_MAP, tmp);
3522 
3523 	WREG32(CGTS_SYS_TCC_DISABLE, 0);
3524 	WREG32(CGTS_TCC_DISABLE, 0);
3525 	WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
3526 	WREG32(CGTS_USER_TCC_DISABLE, 0);
3527 
3528 	/* set HW defaults for 3D engine */
3529 	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
3530 				     ROQ_IB2_START(0x2b)));
3531 
3532 	WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
3533 
3534 	WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
3535 			     SYNC_GRADIENT |
3536 			     SYNC_WALKER |
3537 			     SYNC_ALIGNER));
3538 
3539 	sx_debug_1 = RREG32(SX_DEBUG_1);
3540 	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
3541 	WREG32(SX_DEBUG_1, sx_debug_1);
3542 
3543 
3544 	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
3545 	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
3546 	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets);
3547 	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
3548 
3549 	if (rdev->family <= CHIP_SUMO2)
3550 		WREG32(SMX_SAR_CTL0, 0x00010000);
3551 
3552 	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) |
3553 					POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) |
3554 					SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1)));
3555 
3556 	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) |
3557 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) |
3558 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size)));
3559 
3560 	WREG32(VGT_NUM_INSTANCES, 1);
3561 	WREG32(SPI_CONFIG_CNTL, 0);
3562 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
3563 	WREG32(CP_PERFMON_CNTL, 0);
3564 
3565 	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) |
3566 				  FETCH_FIFO_HIWATER(0x4) |
3567 				  DONE_FIFO_HIWATER(0xe0) |
3568 				  ALU_UPDATE_FIFO_HIWATER(0x8)));
3569 
3570 	sq_config = RREG32(SQ_CONFIG);
3571 	sq_config &= ~(PS_PRIO(3) |
3572 		       VS_PRIO(3) |
3573 		       GS_PRIO(3) |
3574 		       ES_PRIO(3));
3575 	sq_config |= (VC_ENABLE |
3576 		      EXPORT_SRC_C |
3577 		      PS_PRIO(0) |
3578 		      VS_PRIO(1) |
3579 		      GS_PRIO(2) |
3580 		      ES_PRIO(3));
3581 
3582 	switch (rdev->family) {
3583 	case CHIP_CEDAR:
3584 	case CHIP_PALM:
3585 	case CHIP_SUMO:
3586 	case CHIP_SUMO2:
3587 	case CHIP_CAICOS:
3588 		/* no vertex cache */
3589 		sq_config &= ~VC_ENABLE;
3590 		break;
3591 	default:
3592 		break;
3593 	}
3594 
3595 	sq_lds_resource_mgmt = RREG32(SQ_LDS_RESOURCE_MGMT);
3596 
3597 	sq_gpr_resource_mgmt_1 = NUM_PS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2))* 12 / 32);
3598 	sq_gpr_resource_mgmt_1 |= NUM_VS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 6 / 32);
3599 	sq_gpr_resource_mgmt_1 |= NUM_CLAUSE_TEMP_GPRS(4);
3600 	sq_gpr_resource_mgmt_2 = NUM_GS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
3601 	sq_gpr_resource_mgmt_2 |= NUM_ES_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
3602 	sq_gpr_resource_mgmt_3 = NUM_HS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
3603 	sq_gpr_resource_mgmt_3 |= NUM_LS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
3604 
3605 	switch (rdev->family) {
3606 	case CHIP_CEDAR:
3607 	case CHIP_PALM:
3608 	case CHIP_SUMO:
3609 	case CHIP_SUMO2:
3610 		ps_thread_count = 96;
3611 		break;
3612 	default:
3613 		ps_thread_count = 128;
3614 		break;
3615 	}
3616 
3617 	sq_thread_resource_mgmt = NUM_PS_THREADS(ps_thread_count);
3618 	sq_thread_resource_mgmt |= NUM_VS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3619 	sq_thread_resource_mgmt |= NUM_GS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3620 	sq_thread_resource_mgmt |= NUM_ES_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3621 	sq_thread_resource_mgmt_2 = NUM_HS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3622 	sq_thread_resource_mgmt_2 |= NUM_LS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
3623 
3624 	sq_stack_resource_mgmt_1 = NUM_PS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3625 	sq_stack_resource_mgmt_1 |= NUM_VS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3626 	sq_stack_resource_mgmt_2 = NUM_GS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3627 	sq_stack_resource_mgmt_2 |= NUM_ES_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3628 	sq_stack_resource_mgmt_3 = NUM_HS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3629 	sq_stack_resource_mgmt_3 |= NUM_LS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
3630 
3631 	WREG32(SQ_CONFIG, sq_config);
3632 	WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
3633 	WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
3634 	WREG32(SQ_GPR_RESOURCE_MGMT_3, sq_gpr_resource_mgmt_3);
3635 	WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
3636 	WREG32(SQ_THREAD_RESOURCE_MGMT_2, sq_thread_resource_mgmt_2);
3637 	WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
3638 	WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
3639 	WREG32(SQ_STACK_RESOURCE_MGMT_3, sq_stack_resource_mgmt_3);
3640 	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0);
3641 	WREG32(SQ_LDS_RESOURCE_MGMT, sq_lds_resource_mgmt);
3642 
3643 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
3644 					  FORCE_EOV_MAX_REZ_CNT(255)));
3645 
3646 	switch (rdev->family) {
3647 	case CHIP_CEDAR:
3648 	case CHIP_PALM:
3649 	case CHIP_SUMO:
3650 	case CHIP_SUMO2:
3651 	case CHIP_CAICOS:
3652 		vgt_cache_invalidation = CACHE_INVALIDATION(TC_ONLY);
3653 		break;
3654 	default:
3655 		vgt_cache_invalidation = CACHE_INVALIDATION(VC_AND_TC);
3656 		break;
3657 	}
3658 	vgt_cache_invalidation |= AUTO_INVLD_EN(ES_AND_GS_AUTO);
3659 	WREG32(VGT_CACHE_INVALIDATION, vgt_cache_invalidation);
3660 
3661 	WREG32(VGT_GS_VERTEX_REUSE, 16);
3662 	WREG32(PA_SU_LINE_STIPPLE_VALUE, 0);
3663 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
3664 
3665 	WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, 14);
3666 	WREG32(VGT_OUT_DEALLOC_CNTL, 16);
3667 
3668 	WREG32(CB_PERF_CTR0_SEL_0, 0);
3669 	WREG32(CB_PERF_CTR0_SEL_1, 0);
3670 	WREG32(CB_PERF_CTR1_SEL_0, 0);
3671 	WREG32(CB_PERF_CTR1_SEL_1, 0);
3672 	WREG32(CB_PERF_CTR2_SEL_0, 0);
3673 	WREG32(CB_PERF_CTR2_SEL_1, 0);
3674 	WREG32(CB_PERF_CTR3_SEL_0, 0);
3675 	WREG32(CB_PERF_CTR3_SEL_1, 0);
3676 
3677 	/* clear render buffer base addresses */
3678 	WREG32(CB_COLOR0_BASE, 0);
3679 	WREG32(CB_COLOR1_BASE, 0);
3680 	WREG32(CB_COLOR2_BASE, 0);
3681 	WREG32(CB_COLOR3_BASE, 0);
3682 	WREG32(CB_COLOR4_BASE, 0);
3683 	WREG32(CB_COLOR5_BASE, 0);
3684 	WREG32(CB_COLOR6_BASE, 0);
3685 	WREG32(CB_COLOR7_BASE, 0);
3686 	WREG32(CB_COLOR8_BASE, 0);
3687 	WREG32(CB_COLOR9_BASE, 0);
3688 	WREG32(CB_COLOR10_BASE, 0);
3689 	WREG32(CB_COLOR11_BASE, 0);
3690 
3691 	/* set the shader const cache sizes to 0 */
3692 	for (i = SQ_ALU_CONST_BUFFER_SIZE_PS_0; i < 0x28200; i += 4)
3693 		WREG32(i, 0);
3694 	for (i = SQ_ALU_CONST_BUFFER_SIZE_HS_0; i < 0x29000; i += 4)
3695 		WREG32(i, 0);
3696 
3697 	tmp = RREG32(HDP_MISC_CNTL);
3698 	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
3699 	WREG32(HDP_MISC_CNTL, tmp);
3700 
3701 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
3702 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
3703 
3704 	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
3705 
3706 	udelay(50);
3707 
3708 }
3709 
3710 int evergreen_mc_init(struct radeon_device *rdev)
3711 {
3712 	u32 tmp;
3713 	int chansize, numchan;
3714 
3715 	/* Get VRAM informations */
3716 	rdev->mc.vram_is_ddr = true;
3717 	if ((rdev->family == CHIP_PALM) ||
3718 	    (rdev->family == CHIP_SUMO) ||
3719 	    (rdev->family == CHIP_SUMO2))
3720 		tmp = RREG32(FUS_MC_ARB_RAMCFG);
3721 	else
3722 		tmp = RREG32(MC_ARB_RAMCFG);
3723 	if (tmp & CHANSIZE_OVERRIDE) {
3724 		chansize = 16;
3725 	} else if (tmp & CHANSIZE_MASK) {
3726 		chansize = 64;
3727 	} else {
3728 		chansize = 32;
3729 	}
3730 	tmp = RREG32(MC_SHARED_CHMAP);
3731 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
3732 	case 0:
3733 	default:
3734 		numchan = 1;
3735 		break;
3736 	case 1:
3737 		numchan = 2;
3738 		break;
3739 	case 2:
3740 		numchan = 4;
3741 		break;
3742 	case 3:
3743 		numchan = 8;
3744 		break;
3745 	}
3746 	rdev->mc.vram_width = numchan * chansize;
3747 	/* Could aper size report 0 ? */
3748 	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
3749 	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
3750 	/* Setup GPU memory space */
3751 	if ((rdev->family == CHIP_PALM) ||
3752 	    (rdev->family == CHIP_SUMO) ||
3753 	    (rdev->family == CHIP_SUMO2)) {
3754 		/* size in bytes on fusion */
3755 		rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
3756 		rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
3757 	} else {
3758 		/* size in MB on evergreen/cayman/tn */
3759 		rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL;
3760 		rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL;
3761 	}
3762 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
3763 	r700_vram_gtt_location(rdev, &rdev->mc);
3764 	radeon_update_bandwidth_info(rdev);
3765 
3766 	return 0;
3767 }
3768 
3769 void evergreen_print_gpu_status_regs(struct radeon_device *rdev)
3770 {
3771 	dev_info(rdev->dev, "  GRBM_STATUS               = 0x%08X\n",
3772 		RREG32(GRBM_STATUS));
3773 	dev_info(rdev->dev, "  GRBM_STATUS_SE0           = 0x%08X\n",
3774 		RREG32(GRBM_STATUS_SE0));
3775 	dev_info(rdev->dev, "  GRBM_STATUS_SE1           = 0x%08X\n",
3776 		RREG32(GRBM_STATUS_SE1));
3777 	dev_info(rdev->dev, "  SRBM_STATUS               = 0x%08X\n",
3778 		RREG32(SRBM_STATUS));
3779 	dev_info(rdev->dev, "  SRBM_STATUS2              = 0x%08X\n",
3780 		RREG32(SRBM_STATUS2));
3781 	dev_info(rdev->dev, "  R_008674_CP_STALLED_STAT1 = 0x%08X\n",
3782 		RREG32(CP_STALLED_STAT1));
3783 	dev_info(rdev->dev, "  R_008678_CP_STALLED_STAT2 = 0x%08X\n",
3784 		RREG32(CP_STALLED_STAT2));
3785 	dev_info(rdev->dev, "  R_00867C_CP_BUSY_STAT     = 0x%08X\n",
3786 		RREG32(CP_BUSY_STAT));
3787 	dev_info(rdev->dev, "  R_008680_CP_STAT          = 0x%08X\n",
3788 		RREG32(CP_STAT));
3789 	dev_info(rdev->dev, "  R_00D034_DMA_STATUS_REG   = 0x%08X\n",
3790 		RREG32(DMA_STATUS_REG));
3791 	if (rdev->family >= CHIP_CAYMAN) {
3792 		dev_info(rdev->dev, "  R_00D834_DMA_STATUS_REG   = 0x%08X\n",
3793 			 RREG32(DMA_STATUS_REG + 0x800));
3794 	}
3795 }
3796 
3797 bool evergreen_is_display_hung(struct radeon_device *rdev)
3798 {
3799 	u32 crtc_hung = 0;
3800 	u32 crtc_status[6];
3801 	u32 i, j, tmp;
3802 
3803 	for (i = 0; i < rdev->num_crtc; i++) {
3804 		if (RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]) & EVERGREEN_CRTC_MASTER_EN) {
3805 			crtc_status[i] = RREG32(EVERGREEN_CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
3806 			crtc_hung |= (1 << i);
3807 		}
3808 	}
3809 
3810 	for (j = 0; j < 10; j++) {
3811 		for (i = 0; i < rdev->num_crtc; i++) {
3812 			if (crtc_hung & (1 << i)) {
3813 				tmp = RREG32(EVERGREEN_CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
3814 				if (tmp != crtc_status[i])
3815 					crtc_hung &= ~(1 << i);
3816 			}
3817 		}
3818 		if (crtc_hung == 0)
3819 			return false;
3820 		udelay(100);
3821 	}
3822 
3823 	return true;
3824 }
3825 
3826 u32 evergreen_gpu_check_soft_reset(struct radeon_device *rdev)
3827 {
3828 	u32 reset_mask = 0;
3829 	u32 tmp;
3830 
3831 	/* GRBM_STATUS */
3832 	tmp = RREG32(GRBM_STATUS);
3833 	if (tmp & (PA_BUSY | SC_BUSY |
3834 		   SH_BUSY | SX_BUSY |
3835 		   TA_BUSY | VGT_BUSY |
3836 		   DB_BUSY | CB_BUSY |
3837 		   SPI_BUSY | VGT_BUSY_NO_DMA))
3838 		reset_mask |= RADEON_RESET_GFX;
3839 
3840 	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
3841 		   CP_BUSY | CP_COHERENCY_BUSY))
3842 		reset_mask |= RADEON_RESET_CP;
3843 
3844 	if (tmp & GRBM_EE_BUSY)
3845 		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
3846 
3847 	/* DMA_STATUS_REG */
3848 	tmp = RREG32(DMA_STATUS_REG);
3849 	if (!(tmp & DMA_IDLE))
3850 		reset_mask |= RADEON_RESET_DMA;
3851 
3852 	/* SRBM_STATUS2 */
3853 	tmp = RREG32(SRBM_STATUS2);
3854 	if (tmp & DMA_BUSY)
3855 		reset_mask |= RADEON_RESET_DMA;
3856 
3857 	/* SRBM_STATUS */
3858 	tmp = RREG32(SRBM_STATUS);
3859 	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
3860 		reset_mask |= RADEON_RESET_RLC;
3861 
3862 	if (tmp & IH_BUSY)
3863 		reset_mask |= RADEON_RESET_IH;
3864 
3865 	if (tmp & SEM_BUSY)
3866 		reset_mask |= RADEON_RESET_SEM;
3867 
3868 	if (tmp & GRBM_RQ_PENDING)
3869 		reset_mask |= RADEON_RESET_GRBM;
3870 
3871 	if (tmp & VMC_BUSY)
3872 		reset_mask |= RADEON_RESET_VMC;
3873 
3874 	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
3875 		   MCC_BUSY | MCD_BUSY))
3876 		reset_mask |= RADEON_RESET_MC;
3877 
3878 	if (evergreen_is_display_hung(rdev))
3879 		reset_mask |= RADEON_RESET_DISPLAY;
3880 
3881 	/* VM_L2_STATUS */
3882 	tmp = RREG32(VM_L2_STATUS);
3883 	if (tmp & L2_BUSY)
3884 		reset_mask |= RADEON_RESET_VMC;
3885 
3886 	/* Skip MC reset as it's mostly likely not hung, just busy */
3887 	if (reset_mask & RADEON_RESET_MC) {
3888 		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
3889 		reset_mask &= ~RADEON_RESET_MC;
3890 	}
3891 
3892 	return reset_mask;
3893 }
3894 
3895 static void evergreen_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
3896 {
3897 	struct evergreen_mc_save save;
3898 	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
3899 	u32 tmp;
3900 
3901 	if (reset_mask == 0)
3902 		return;
3903 
3904 	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
3905 
3906 	evergreen_print_gpu_status_regs(rdev);
3907 
3908 	/* Disable CP parsing/prefetching */
3909 	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
3910 
3911 	if (reset_mask & RADEON_RESET_DMA) {
3912 		/* Disable DMA */
3913 		tmp = RREG32(DMA_RB_CNTL);
3914 		tmp &= ~DMA_RB_ENABLE;
3915 		WREG32(DMA_RB_CNTL, tmp);
3916 	}
3917 
3918 	udelay(50);
3919 
3920 	evergreen_mc_stop(rdev, &save);
3921 	if (evergreen_mc_wait_for_idle(rdev)) {
3922 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
3923 	}
3924 
3925 	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
3926 		grbm_soft_reset |= SOFT_RESET_DB |
3927 			SOFT_RESET_CB |
3928 			SOFT_RESET_PA |
3929 			SOFT_RESET_SC |
3930 			SOFT_RESET_SPI |
3931 			SOFT_RESET_SX |
3932 			SOFT_RESET_SH |
3933 			SOFT_RESET_TC |
3934 			SOFT_RESET_TA |
3935 			SOFT_RESET_VC |
3936 			SOFT_RESET_VGT;
3937 	}
3938 
3939 	if (reset_mask & RADEON_RESET_CP) {
3940 		grbm_soft_reset |= SOFT_RESET_CP |
3941 			SOFT_RESET_VGT;
3942 
3943 		srbm_soft_reset |= SOFT_RESET_GRBM;
3944 	}
3945 
3946 	if (reset_mask & RADEON_RESET_DMA)
3947 		srbm_soft_reset |= SOFT_RESET_DMA;
3948 
3949 	if (reset_mask & RADEON_RESET_DISPLAY)
3950 		srbm_soft_reset |= SOFT_RESET_DC;
3951 
3952 	if (reset_mask & RADEON_RESET_RLC)
3953 		srbm_soft_reset |= SOFT_RESET_RLC;
3954 
3955 	if (reset_mask & RADEON_RESET_SEM)
3956 		srbm_soft_reset |= SOFT_RESET_SEM;
3957 
3958 	if (reset_mask & RADEON_RESET_IH)
3959 		srbm_soft_reset |= SOFT_RESET_IH;
3960 
3961 	if (reset_mask & RADEON_RESET_GRBM)
3962 		srbm_soft_reset |= SOFT_RESET_GRBM;
3963 
3964 	if (reset_mask & RADEON_RESET_VMC)
3965 		srbm_soft_reset |= SOFT_RESET_VMC;
3966 
3967 	if (!(rdev->flags & RADEON_IS_IGP)) {
3968 		if (reset_mask & RADEON_RESET_MC)
3969 			srbm_soft_reset |= SOFT_RESET_MC;
3970 	}
3971 
3972 	if (grbm_soft_reset) {
3973 		tmp = RREG32(GRBM_SOFT_RESET);
3974 		tmp |= grbm_soft_reset;
3975 		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
3976 		WREG32(GRBM_SOFT_RESET, tmp);
3977 		tmp = RREG32(GRBM_SOFT_RESET);
3978 
3979 		udelay(50);
3980 
3981 		tmp &= ~grbm_soft_reset;
3982 		WREG32(GRBM_SOFT_RESET, tmp);
3983 		tmp = RREG32(GRBM_SOFT_RESET);
3984 	}
3985 
3986 	if (srbm_soft_reset) {
3987 		tmp = RREG32(SRBM_SOFT_RESET);
3988 		tmp |= srbm_soft_reset;
3989 		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3990 		WREG32(SRBM_SOFT_RESET, tmp);
3991 		tmp = RREG32(SRBM_SOFT_RESET);
3992 
3993 		udelay(50);
3994 
3995 		tmp &= ~srbm_soft_reset;
3996 		WREG32(SRBM_SOFT_RESET, tmp);
3997 		tmp = RREG32(SRBM_SOFT_RESET);
3998 	}
3999 
4000 	/* Wait a little for things to settle down */
4001 	udelay(50);
4002 
4003 	evergreen_mc_resume(rdev, &save);
4004 	udelay(50);
4005 
4006 	evergreen_print_gpu_status_regs(rdev);
4007 }
4008 
4009 void evergreen_gpu_pci_config_reset(struct radeon_device *rdev)
4010 {
4011 	struct evergreen_mc_save save;
4012 	u32 tmp, i;
4013 
4014 	dev_info(rdev->dev, "GPU pci config reset\n");
4015 
4016 	/* disable dpm? */
4017 
4018 	/* Disable CP parsing/prefetching */
4019 	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
4020 	udelay(50);
4021 	/* Disable DMA */
4022 	tmp = RREG32(DMA_RB_CNTL);
4023 	tmp &= ~DMA_RB_ENABLE;
4024 	WREG32(DMA_RB_CNTL, tmp);
4025 	/* XXX other engines? */
4026 
4027 	/* halt the rlc */
4028 	r600_rlc_stop(rdev);
4029 
4030 	udelay(50);
4031 
4032 	/* set mclk/sclk to bypass */
4033 	rv770_set_clk_bypass_mode(rdev);
4034 	/* disable BM */
4035 	pci_clear_master(rdev->pdev);
4036 	/* disable mem access */
4037 	evergreen_mc_stop(rdev, &save);
4038 	if (evergreen_mc_wait_for_idle(rdev)) {
4039 		dev_warn(rdev->dev, "Wait for MC idle timed out !\n");
4040 	}
4041 	/* reset */
4042 	radeon_pci_config_reset(rdev);
4043 	/* wait for asic to come out of reset */
4044 	for (i = 0; i < rdev->usec_timeout; i++) {
4045 		if (RREG32(CONFIG_MEMSIZE) != 0xffffffff)
4046 			break;
4047 		udelay(1);
4048 	}
4049 }
4050 
4051 int evergreen_asic_reset(struct radeon_device *rdev, bool hard)
4052 {
4053 	u32 reset_mask;
4054 
4055 	if (hard) {
4056 		evergreen_gpu_pci_config_reset(rdev);
4057 		return 0;
4058 	}
4059 
4060 	reset_mask = evergreen_gpu_check_soft_reset(rdev);
4061 
4062 	if (reset_mask)
4063 		r600_set_bios_scratch_engine_hung(rdev, true);
4064 
4065 	/* try soft reset */
4066 	evergreen_gpu_soft_reset(rdev, reset_mask);
4067 
4068 	reset_mask = evergreen_gpu_check_soft_reset(rdev);
4069 
4070 	/* try pci config reset */
4071 	if (reset_mask && radeon_hard_reset)
4072 		evergreen_gpu_pci_config_reset(rdev);
4073 
4074 	reset_mask = evergreen_gpu_check_soft_reset(rdev);
4075 
4076 	if (!reset_mask)
4077 		r600_set_bios_scratch_engine_hung(rdev, false);
4078 
4079 	return 0;
4080 }
4081 
4082 /**
4083  * evergreen_gfx_is_lockup - Check if the GFX engine is locked up
4084  *
4085  * @rdev: radeon_device pointer
4086  * @ring: radeon_ring structure holding ring information
4087  *
4088  * Check if the GFX engine is locked up.
4089  * Returns true if the engine appears to be locked up, false if not.
4090  */
4091 bool evergreen_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
4092 {
4093 	u32 reset_mask = evergreen_gpu_check_soft_reset(rdev);
4094 
4095 	if (!(reset_mask & (RADEON_RESET_GFX |
4096 			    RADEON_RESET_COMPUTE |
4097 			    RADEON_RESET_CP))) {
4098 		radeon_ring_lockup_update(rdev, ring);
4099 		return false;
4100 	}
4101 	return radeon_ring_test_lockup(rdev, ring);
4102 }
4103 
4104 /*
4105  * RLC
4106  */
4107 #define RLC_SAVE_RESTORE_LIST_END_MARKER    0x00000000
4108 #define RLC_CLEAR_STATE_END_MARKER          0x00000001
4109 
4110 void sumo_rlc_fini(struct radeon_device *rdev)
4111 {
4112 	int r;
4113 
4114 	/* save restore block */
4115 	if (rdev->rlc.save_restore_obj) {
4116 		r = radeon_bo_reserve(rdev->rlc.save_restore_obj, false);
4117 		if (unlikely(r != 0))
4118 			dev_warn(rdev->dev, "(%d) reserve RLC sr bo failed\n", r);
4119 		radeon_bo_unpin(rdev->rlc.save_restore_obj);
4120 		radeon_bo_unreserve(rdev->rlc.save_restore_obj);
4121 
4122 		radeon_bo_unref(&rdev->rlc.save_restore_obj);
4123 		rdev->rlc.save_restore_obj = NULL;
4124 	}
4125 
4126 	/* clear state block */
4127 	if (rdev->rlc.clear_state_obj) {
4128 		r = radeon_bo_reserve(rdev->rlc.clear_state_obj, false);
4129 		if (unlikely(r != 0))
4130 			dev_warn(rdev->dev, "(%d) reserve RLC c bo failed\n", r);
4131 		radeon_bo_unpin(rdev->rlc.clear_state_obj);
4132 		radeon_bo_unreserve(rdev->rlc.clear_state_obj);
4133 
4134 		radeon_bo_unref(&rdev->rlc.clear_state_obj);
4135 		rdev->rlc.clear_state_obj = NULL;
4136 	}
4137 
4138 	/* clear state block */
4139 	if (rdev->rlc.cp_table_obj) {
4140 		r = radeon_bo_reserve(rdev->rlc.cp_table_obj, false);
4141 		if (unlikely(r != 0))
4142 			dev_warn(rdev->dev, "(%d) reserve RLC cp table bo failed\n", r);
4143 		radeon_bo_unpin(rdev->rlc.cp_table_obj);
4144 		radeon_bo_unreserve(rdev->rlc.cp_table_obj);
4145 
4146 		radeon_bo_unref(&rdev->rlc.cp_table_obj);
4147 		rdev->rlc.cp_table_obj = NULL;
4148 	}
4149 }
4150 
4151 #define CP_ME_TABLE_SIZE    96
4152 
4153 int sumo_rlc_init(struct radeon_device *rdev)
4154 {
4155 	const u32 *src_ptr;
4156 	volatile u32 *dst_ptr;
4157 	u32 dws, data, i, j, k, reg_num;
4158 	u32 reg_list_num, reg_list_hdr_blk_index, reg_list_blk_index = 0;
4159 	u64 reg_list_mc_addr;
4160 	const struct cs_section_def *cs_data;
4161 	int r;
4162 
4163 	src_ptr = rdev->rlc.reg_list;
4164 	dws = rdev->rlc.reg_list_size;
4165 	if (rdev->family >= CHIP_BONAIRE) {
4166 		dws += (5 * 16) + 48 + 48 + 64;
4167 	}
4168 	cs_data = rdev->rlc.cs_data;
4169 
4170 	if (src_ptr) {
4171 		/* save restore block */
4172 		if (rdev->rlc.save_restore_obj == NULL) {
4173 			r = radeon_bo_create(rdev, dws * 4, PAGE_SIZE, true,
4174 					     RADEON_GEM_DOMAIN_VRAM, 0, NULL,
4175 					     NULL, &rdev->rlc.save_restore_obj);
4176 			if (r) {
4177 				dev_warn(rdev->dev, "(%d) create RLC sr bo failed\n", r);
4178 				return r;
4179 			}
4180 		}
4181 
4182 		r = radeon_bo_reserve(rdev->rlc.save_restore_obj, false);
4183 		if (unlikely(r != 0)) {
4184 			sumo_rlc_fini(rdev);
4185 			return r;
4186 		}
4187 		r = radeon_bo_pin(rdev->rlc.save_restore_obj, RADEON_GEM_DOMAIN_VRAM,
4188 				  &rdev->rlc.save_restore_gpu_addr);
4189 		if (r) {
4190 			radeon_bo_unreserve(rdev->rlc.save_restore_obj);
4191 			dev_warn(rdev->dev, "(%d) pin RLC sr bo failed\n", r);
4192 			sumo_rlc_fini(rdev);
4193 			return r;
4194 		}
4195 
4196 		r = radeon_bo_kmap(rdev->rlc.save_restore_obj, (void **)&rdev->rlc.sr_ptr);
4197 		if (r) {
4198 			dev_warn(rdev->dev, "(%d) map RLC sr bo failed\n", r);
4199 			sumo_rlc_fini(rdev);
4200 			return r;
4201 		}
4202 		/* write the sr buffer */
4203 		dst_ptr = rdev->rlc.sr_ptr;
4204 		if (rdev->family >= CHIP_TAHITI) {
4205 			/* SI */
4206 			for (i = 0; i < rdev->rlc.reg_list_size; i++)
4207 				dst_ptr[i] = cpu_to_le32(src_ptr[i]);
4208 		} else {
4209 			/* ON/LN/TN */
4210 			/* format:
4211 			 * dw0: (reg2 << 16) | reg1
4212 			 * dw1: reg1 save space
4213 			 * dw2: reg2 save space
4214 			 */
4215 			for (i = 0; i < dws; i++) {
4216 				data = src_ptr[i] >> 2;
4217 				i++;
4218 				if (i < dws)
4219 					data |= (src_ptr[i] >> 2) << 16;
4220 				j = (((i - 1) * 3) / 2);
4221 				dst_ptr[j] = cpu_to_le32(data);
4222 			}
4223 			j = ((i * 3) / 2);
4224 			dst_ptr[j] = cpu_to_le32(RLC_SAVE_RESTORE_LIST_END_MARKER);
4225 		}
4226 		radeon_bo_kunmap(rdev->rlc.save_restore_obj);
4227 		radeon_bo_unreserve(rdev->rlc.save_restore_obj);
4228 	}
4229 
4230 	if (cs_data) {
4231 		/* clear state block */
4232 		if (rdev->family >= CHIP_BONAIRE) {
4233 			rdev->rlc.clear_state_size = dws = cik_get_csb_size(rdev);
4234 		} else if (rdev->family >= CHIP_TAHITI) {
4235 			rdev->rlc.clear_state_size = si_get_csb_size(rdev);
4236 			dws = rdev->rlc.clear_state_size + (256 / 4);
4237 		} else {
4238 			reg_list_num = 0;
4239 			dws = 0;
4240 			for (i = 0; cs_data[i].section != NULL; i++) {
4241 				for (j = 0; cs_data[i].section[j].extent != NULL; j++) {
4242 					reg_list_num++;
4243 					dws += cs_data[i].section[j].reg_count;
4244 				}
4245 			}
4246 			reg_list_blk_index = (3 * reg_list_num + 2);
4247 			dws += reg_list_blk_index;
4248 			rdev->rlc.clear_state_size = dws;
4249 		}
4250 
4251 		if (rdev->rlc.clear_state_obj == NULL) {
4252 			r = radeon_bo_create(rdev, dws * 4, PAGE_SIZE, true,
4253 					     RADEON_GEM_DOMAIN_VRAM, 0, NULL,
4254 					     NULL, &rdev->rlc.clear_state_obj);
4255 			if (r) {
4256 				dev_warn(rdev->dev, "(%d) create RLC c bo failed\n", r);
4257 				sumo_rlc_fini(rdev);
4258 				return r;
4259 			}
4260 		}
4261 		r = radeon_bo_reserve(rdev->rlc.clear_state_obj, false);
4262 		if (unlikely(r != 0)) {
4263 			sumo_rlc_fini(rdev);
4264 			return r;
4265 		}
4266 		r = radeon_bo_pin(rdev->rlc.clear_state_obj, RADEON_GEM_DOMAIN_VRAM,
4267 				  &rdev->rlc.clear_state_gpu_addr);
4268 		if (r) {
4269 			radeon_bo_unreserve(rdev->rlc.clear_state_obj);
4270 			dev_warn(rdev->dev, "(%d) pin RLC c bo failed\n", r);
4271 			sumo_rlc_fini(rdev);
4272 			return r;
4273 		}
4274 
4275 		r = radeon_bo_kmap(rdev->rlc.clear_state_obj, (void **)&rdev->rlc.cs_ptr);
4276 		if (r) {
4277 			dev_warn(rdev->dev, "(%d) map RLC c bo failed\n", r);
4278 			sumo_rlc_fini(rdev);
4279 			return r;
4280 		}
4281 		/* set up the cs buffer */
4282 		dst_ptr = rdev->rlc.cs_ptr;
4283 		if (rdev->family >= CHIP_BONAIRE) {
4284 			cik_get_csb_buffer(rdev, dst_ptr);
4285 		} else if (rdev->family >= CHIP_TAHITI) {
4286 			reg_list_mc_addr = rdev->rlc.clear_state_gpu_addr + 256;
4287 			dst_ptr[0] = cpu_to_le32(upper_32_bits(reg_list_mc_addr));
4288 			dst_ptr[1] = cpu_to_le32(lower_32_bits(reg_list_mc_addr));
4289 			dst_ptr[2] = cpu_to_le32(rdev->rlc.clear_state_size);
4290 			si_get_csb_buffer(rdev, &dst_ptr[(256/4)]);
4291 		} else {
4292 			reg_list_hdr_blk_index = 0;
4293 			reg_list_mc_addr = rdev->rlc.clear_state_gpu_addr + (reg_list_blk_index * 4);
4294 			data = upper_32_bits(reg_list_mc_addr);
4295 			dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(data);
4296 			reg_list_hdr_blk_index++;
4297 			for (i = 0; cs_data[i].section != NULL; i++) {
4298 				for (j = 0; cs_data[i].section[j].extent != NULL; j++) {
4299 					reg_num = cs_data[i].section[j].reg_count;
4300 					data = reg_list_mc_addr & 0xffffffff;
4301 					dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(data);
4302 					reg_list_hdr_blk_index++;
4303 
4304 					data = (cs_data[i].section[j].reg_index * 4) & 0xffffffff;
4305 					dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(data);
4306 					reg_list_hdr_blk_index++;
4307 
4308 					data = 0x08000000 | (reg_num * 4);
4309 					dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(data);
4310 					reg_list_hdr_blk_index++;
4311 
4312 					for (k = 0; k < reg_num; k++) {
4313 						data = cs_data[i].section[j].extent[k];
4314 						dst_ptr[reg_list_blk_index + k] = cpu_to_le32(data);
4315 					}
4316 					reg_list_mc_addr += reg_num * 4;
4317 					reg_list_blk_index += reg_num;
4318 				}
4319 			}
4320 			dst_ptr[reg_list_hdr_blk_index] = cpu_to_le32(RLC_CLEAR_STATE_END_MARKER);
4321 		}
4322 		radeon_bo_kunmap(rdev->rlc.clear_state_obj);
4323 		radeon_bo_unreserve(rdev->rlc.clear_state_obj);
4324 	}
4325 
4326 	if (rdev->rlc.cp_table_size) {
4327 		if (rdev->rlc.cp_table_obj == NULL) {
4328 			r = radeon_bo_create(rdev, rdev->rlc.cp_table_size,
4329 					     PAGE_SIZE, true,
4330 					     RADEON_GEM_DOMAIN_VRAM, 0, NULL,
4331 					     NULL, &rdev->rlc.cp_table_obj);
4332 			if (r) {
4333 				dev_warn(rdev->dev, "(%d) create RLC cp table bo failed\n", r);
4334 				sumo_rlc_fini(rdev);
4335 				return r;
4336 			}
4337 		}
4338 
4339 		r = radeon_bo_reserve(rdev->rlc.cp_table_obj, false);
4340 		if (unlikely(r != 0)) {
4341 			dev_warn(rdev->dev, "(%d) reserve RLC cp table bo failed\n", r);
4342 			sumo_rlc_fini(rdev);
4343 			return r;
4344 		}
4345 		r = radeon_bo_pin(rdev->rlc.cp_table_obj, RADEON_GEM_DOMAIN_VRAM,
4346 				  &rdev->rlc.cp_table_gpu_addr);
4347 		if (r) {
4348 			radeon_bo_unreserve(rdev->rlc.cp_table_obj);
4349 			dev_warn(rdev->dev, "(%d) pin RLC cp_table bo failed\n", r);
4350 			sumo_rlc_fini(rdev);
4351 			return r;
4352 		}
4353 		r = radeon_bo_kmap(rdev->rlc.cp_table_obj, (void **)&rdev->rlc.cp_table_ptr);
4354 		if (r) {
4355 			dev_warn(rdev->dev, "(%d) map RLC cp table bo failed\n", r);
4356 			sumo_rlc_fini(rdev);
4357 			return r;
4358 		}
4359 
4360 		cik_init_cp_pg_table(rdev);
4361 
4362 		radeon_bo_kunmap(rdev->rlc.cp_table_obj);
4363 		radeon_bo_unreserve(rdev->rlc.cp_table_obj);
4364 
4365 	}
4366 
4367 	return 0;
4368 }
4369 
4370 static void evergreen_rlc_start(struct radeon_device *rdev)
4371 {
4372 	u32 mask = RLC_ENABLE;
4373 
4374 	if (rdev->flags & RADEON_IS_IGP) {
4375 		mask |= GFX_POWER_GATING_ENABLE | GFX_POWER_GATING_SRC;
4376 	}
4377 
4378 	WREG32(RLC_CNTL, mask);
4379 }
4380 
4381 int evergreen_rlc_resume(struct radeon_device *rdev)
4382 {
4383 	u32 i;
4384 	const __be32 *fw_data;
4385 
4386 	if (!rdev->rlc_fw)
4387 		return -EINVAL;
4388 
4389 	r600_rlc_stop(rdev);
4390 
4391 	WREG32(RLC_HB_CNTL, 0);
4392 
4393 	if (rdev->flags & RADEON_IS_IGP) {
4394 		if (rdev->family == CHIP_ARUBA) {
4395 			u32 always_on_bitmap =
4396 				3 | (3 << (16 * rdev->config.cayman.max_shader_engines));
4397 			/* find out the number of active simds */
4398 			u32 tmp = (RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0xffff0000) >> 16;
4399 			tmp |= 0xffffffff << rdev->config.cayman.max_simds_per_se;
4400 			tmp = hweight32(~tmp);
4401 			if (tmp == rdev->config.cayman.max_simds_per_se) {
4402 				WREG32(TN_RLC_LB_ALWAYS_ACTIVE_SIMD_MASK, always_on_bitmap);
4403 				WREG32(TN_RLC_LB_PARAMS, 0x00601004);
4404 				WREG32(TN_RLC_LB_INIT_SIMD_MASK, 0xffffffff);
4405 				WREG32(TN_RLC_LB_CNTR_INIT, 0x00000000);
4406 				WREG32(TN_RLC_LB_CNTR_MAX, 0x00002000);
4407 			}
4408 		} else {
4409 			WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
4410 			WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
4411 		}
4412 		WREG32(TN_RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
4413 		WREG32(TN_RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
4414 	} else {
4415 		WREG32(RLC_HB_BASE, 0);
4416 		WREG32(RLC_HB_RPTR, 0);
4417 		WREG32(RLC_HB_WPTR, 0);
4418 		WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
4419 		WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
4420 	}
4421 	WREG32(RLC_MC_CNTL, 0);
4422 	WREG32(RLC_UCODE_CNTL, 0);
4423 
4424 	fw_data = (const __be32 *)rdev->rlc_fw->data;
4425 	if (rdev->family >= CHIP_ARUBA) {
4426 		for (i = 0; i < ARUBA_RLC_UCODE_SIZE; i++) {
4427 			WREG32(RLC_UCODE_ADDR, i);
4428 			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
4429 		}
4430 	} else if (rdev->family >= CHIP_CAYMAN) {
4431 		for (i = 0; i < CAYMAN_RLC_UCODE_SIZE; i++) {
4432 			WREG32(RLC_UCODE_ADDR, i);
4433 			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
4434 		}
4435 	} else {
4436 		for (i = 0; i < EVERGREEN_RLC_UCODE_SIZE; i++) {
4437 			WREG32(RLC_UCODE_ADDR, i);
4438 			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
4439 		}
4440 	}
4441 	WREG32(RLC_UCODE_ADDR, 0);
4442 
4443 	evergreen_rlc_start(rdev);
4444 
4445 	return 0;
4446 }
4447 
4448 /* Interrupts */
4449 
4450 u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc)
4451 {
4452 	if (crtc >= rdev->num_crtc)
4453 		return 0;
4454 	else
4455 		return RREG32(CRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
4456 }
4457 
4458 void evergreen_disable_interrupt_state(struct radeon_device *rdev)
4459 {
4460 	int i;
4461 	u32 tmp;
4462 
4463 	if (rdev->family >= CHIP_CAYMAN) {
4464 		cayman_cp_int_cntl_setup(rdev, 0,
4465 					 CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
4466 		cayman_cp_int_cntl_setup(rdev, 1, 0);
4467 		cayman_cp_int_cntl_setup(rdev, 2, 0);
4468 		tmp = RREG32(CAYMAN_DMA1_CNTL) & ~TRAP_ENABLE;
4469 		WREG32(CAYMAN_DMA1_CNTL, tmp);
4470 	} else
4471 		WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
4472 	tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
4473 	WREG32(DMA_CNTL, tmp);
4474 	WREG32(GRBM_INT_CNTL, 0);
4475 	WREG32(SRBM_INT_CNTL, 0);
4476 	for (i = 0; i < rdev->num_crtc; i++)
4477 		WREG32(INT_MASK + crtc_offsets[i], 0);
4478 	for (i = 0; i < rdev->num_crtc; i++)
4479 		WREG32(GRPH_INT_CONTROL + crtc_offsets[i], 0);
4480 
4481 	/* only one DAC on DCE5 */
4482 	if (!ASIC_IS_DCE5(rdev))
4483 		WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
4484 	WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
4485 
4486 	for (i = 0; i < 6; i++)
4487 		WREG32_AND(DC_HPDx_INT_CONTROL(i), DC_HPDx_INT_POLARITY);
4488 }
4489 
4490 /* Note that the order we write back regs here is important */
4491 int evergreen_irq_set(struct radeon_device *rdev)
4492 {
4493 	int i;
4494 	u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
4495 	u32 cp_int_cntl1 = 0, cp_int_cntl2 = 0;
4496 	u32 grbm_int_cntl = 0;
4497 	u32 dma_cntl, dma_cntl1 = 0;
4498 	u32 thermal_int = 0;
4499 
4500 	if (!rdev->irq.installed) {
4501 		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
4502 		return -EINVAL;
4503 	}
4504 	/* don't enable anything if the ih is disabled */
4505 	if (!rdev->ih.enabled) {
4506 		r600_disable_interrupts(rdev);
4507 		/* force the active interrupt state to all disabled */
4508 		evergreen_disable_interrupt_state(rdev);
4509 		return 0;
4510 	}
4511 
4512 	if (rdev->family == CHIP_ARUBA)
4513 		thermal_int = RREG32(TN_CG_THERMAL_INT_CTRL) &
4514 			~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
4515 	else
4516 		thermal_int = RREG32(CG_THERMAL_INT) &
4517 			~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
4518 
4519 	dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
4520 
4521 	if (rdev->family >= CHIP_CAYMAN) {
4522 		/* enable CP interrupts on all rings */
4523 		if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
4524 			DRM_DEBUG("evergreen_irq_set: sw int gfx\n");
4525 			cp_int_cntl |= TIME_STAMP_INT_ENABLE;
4526 		}
4527 		if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP1_INDEX])) {
4528 			DRM_DEBUG("evergreen_irq_set: sw int cp1\n");
4529 			cp_int_cntl1 |= TIME_STAMP_INT_ENABLE;
4530 		}
4531 		if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP2_INDEX])) {
4532 			DRM_DEBUG("evergreen_irq_set: sw int cp2\n");
4533 			cp_int_cntl2 |= TIME_STAMP_INT_ENABLE;
4534 		}
4535 	} else {
4536 		if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
4537 			DRM_DEBUG("evergreen_irq_set: sw int gfx\n");
4538 			cp_int_cntl |= RB_INT_ENABLE;
4539 			cp_int_cntl |= TIME_STAMP_INT_ENABLE;
4540 		}
4541 	}
4542 
4543 	if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
4544 		DRM_DEBUG("r600_irq_set: sw int dma\n");
4545 		dma_cntl |= TRAP_ENABLE;
4546 	}
4547 
4548 	if (rdev->family >= CHIP_CAYMAN) {
4549 		dma_cntl1 = RREG32(CAYMAN_DMA1_CNTL) & ~TRAP_ENABLE;
4550 		if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_DMA1_INDEX])) {
4551 			DRM_DEBUG("r600_irq_set: sw int dma1\n");
4552 			dma_cntl1 |= TRAP_ENABLE;
4553 		}
4554 	}
4555 
4556 	if (rdev->irq.dpm_thermal) {
4557 		DRM_DEBUG("dpm thermal\n");
4558 		thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW;
4559 	}
4560 
4561 	if (rdev->family >= CHIP_CAYMAN) {
4562 		cayman_cp_int_cntl_setup(rdev, 0, cp_int_cntl);
4563 		cayman_cp_int_cntl_setup(rdev, 1, cp_int_cntl1);
4564 		cayman_cp_int_cntl_setup(rdev, 2, cp_int_cntl2);
4565 	} else
4566 		WREG32(CP_INT_CNTL, cp_int_cntl);
4567 
4568 	WREG32(DMA_CNTL, dma_cntl);
4569 
4570 	if (rdev->family >= CHIP_CAYMAN)
4571 		WREG32(CAYMAN_DMA1_CNTL, dma_cntl1);
4572 
4573 	WREG32(GRBM_INT_CNTL, grbm_int_cntl);
4574 
4575 	for (i = 0; i < rdev->num_crtc; i++) {
4576 		radeon_irq_kms_set_irq_n_enabled(
4577 		    rdev, INT_MASK + crtc_offsets[i],
4578 		    VBLANK_INT_MASK,
4579 		    rdev->irq.crtc_vblank_int[i] ||
4580 		    atomic_read(&rdev->irq.pflip[i]), "vblank", i);
4581 	}
4582 
4583 	for (i = 0; i < rdev->num_crtc; i++)
4584 		WREG32(GRPH_INT_CONTROL + crtc_offsets[i], GRPH_PFLIP_INT_MASK);
4585 
4586 	for (i = 0; i < 6; i++) {
4587 		radeon_irq_kms_set_irq_n_enabled(
4588 		    rdev, DC_HPDx_INT_CONTROL(i),
4589 		    DC_HPDx_INT_EN | DC_HPDx_RX_INT_EN,
4590 		    rdev->irq.hpd[i], "HPD", i);
4591 	}
4592 
4593 	if (rdev->family == CHIP_ARUBA)
4594 		WREG32(TN_CG_THERMAL_INT_CTRL, thermal_int);
4595 	else
4596 		WREG32(CG_THERMAL_INT, thermal_int);
4597 
4598 	for (i = 0; i < 6; i++) {
4599 		radeon_irq_kms_set_irq_n_enabled(
4600 		    rdev, AFMT_AUDIO_PACKET_CONTROL + crtc_offsets[i],
4601 		    AFMT_AZ_FORMAT_WTRIG_MASK,
4602 		    rdev->irq.afmt[i], "HDMI", i);
4603 	}
4604 
4605 	/* posting read */
4606 	RREG32(SRBM_STATUS);
4607 
4608 	return 0;
4609 }
4610 
4611 /* Note that the order we write back regs here is important */
4612 static void evergreen_irq_ack(struct radeon_device *rdev)
4613 {
4614 	int i, j;
4615 	u32 *grph_int = rdev->irq.stat_regs.evergreen.grph_int;
4616 	u32 *disp_int = rdev->irq.stat_regs.evergreen.disp_int;
4617 	u32 *afmt_status = rdev->irq.stat_regs.evergreen.afmt_status;
4618 
4619 	for (i = 0; i < 6; i++) {
4620 		disp_int[i] = RREG32(evergreen_disp_int_status[i]);
4621 		afmt_status[i] = RREG32(AFMT_STATUS + crtc_offsets[i]);
4622 		if (i < rdev->num_crtc)
4623 			grph_int[i] = RREG32(GRPH_INT_STATUS + crtc_offsets[i]);
4624 	}
4625 
4626 	/* We write back each interrupt register in pairs of two */
4627 	for (i = 0; i < rdev->num_crtc; i += 2) {
4628 		for (j = i; j < (i + 2); j++) {
4629 			if (grph_int[j] & GRPH_PFLIP_INT_OCCURRED)
4630 				WREG32(GRPH_INT_STATUS + crtc_offsets[j],
4631 				       GRPH_PFLIP_INT_CLEAR);
4632 		}
4633 
4634 		for (j = i; j < (i + 2); j++) {
4635 			if (disp_int[j] & LB_D1_VBLANK_INTERRUPT)
4636 				WREG32(VBLANK_STATUS + crtc_offsets[j],
4637 				       VBLANK_ACK);
4638 			if (disp_int[j] & LB_D1_VLINE_INTERRUPT)
4639 				WREG32(VLINE_STATUS + crtc_offsets[j],
4640 				       VLINE_ACK);
4641 		}
4642 	}
4643 
4644 	for (i = 0; i < 6; i++) {
4645 		if (disp_int[i] & DC_HPD1_INTERRUPT)
4646 			WREG32_OR(DC_HPDx_INT_CONTROL(i), DC_HPDx_INT_ACK);
4647 	}
4648 
4649 	for (i = 0; i < 6; i++) {
4650 		if (disp_int[i] & DC_HPD1_RX_INTERRUPT)
4651 			WREG32_OR(DC_HPDx_INT_CONTROL(i), DC_HPDx_RX_INT_ACK);
4652 	}
4653 
4654 	for (i = 0; i < 6; i++) {
4655 		if (afmt_status[i] & AFMT_AZ_FORMAT_WTRIG)
4656 			WREG32_OR(AFMT_AUDIO_PACKET_CONTROL + crtc_offsets[i],
4657 				  AFMT_AZ_FORMAT_WTRIG_ACK);
4658 	}
4659 }
4660 
4661 static void evergreen_irq_disable(struct radeon_device *rdev)
4662 {
4663 	r600_disable_interrupts(rdev);
4664 	/* Wait and acknowledge irq */
4665 	mdelay(1);
4666 	evergreen_irq_ack(rdev);
4667 	evergreen_disable_interrupt_state(rdev);
4668 }
4669 
4670 void evergreen_irq_suspend(struct radeon_device *rdev)
4671 {
4672 	evergreen_irq_disable(rdev);
4673 	r600_rlc_stop(rdev);
4674 }
4675 
4676 static u32 evergreen_get_ih_wptr(struct radeon_device *rdev)
4677 {
4678 	u32 wptr, tmp;
4679 
4680 	if (rdev->wb.enabled)
4681 		wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
4682 	else
4683 		wptr = RREG32(IH_RB_WPTR);
4684 
4685 	if (wptr & RB_OVERFLOW) {
4686 		wptr &= ~RB_OVERFLOW;
4687 		/* When a ring buffer overflow happen start parsing interrupt
4688 		 * from the last not overwritten vector (wptr + 16). Hopefully
4689 		 * this should allow us to catchup.
4690 		 */
4691 		dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
4692 			 wptr, rdev->ih.rptr, (wptr + 16) & rdev->ih.ptr_mask);
4693 		rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
4694 		tmp = RREG32(IH_RB_CNTL);
4695 		tmp |= IH_WPTR_OVERFLOW_CLEAR;
4696 		WREG32(IH_RB_CNTL, tmp);
4697 	}
4698 	return (wptr & rdev->ih.ptr_mask);
4699 }
4700 
4701 int evergreen_irq_process(struct radeon_device *rdev)
4702 {
4703 	u32 *disp_int = rdev->irq.stat_regs.evergreen.disp_int;
4704 	u32 *afmt_status = rdev->irq.stat_regs.evergreen.afmt_status;
4705 	u32 crtc_idx, hpd_idx, afmt_idx;
4706 	u32 mask;
4707 	u32 wptr;
4708 	u32 rptr;
4709 	u32 src_id, src_data;
4710 	u32 ring_index;
4711 	bool queue_hotplug = false;
4712 	bool queue_hdmi = false;
4713 	bool queue_dp = false;
4714 	bool queue_thermal = false;
4715 	u32 status, addr;
4716 	const char *event_name;
4717 
4718 	if (!rdev->ih.enabled || rdev->shutdown)
4719 		return IRQ_NONE;
4720 
4721 	wptr = evergreen_get_ih_wptr(rdev);
4722 
4723 restart_ih:
4724 	/* is somebody else already processing irqs? */
4725 	if (atomic_xchg(&rdev->ih.lock, 1))
4726 		return IRQ_NONE;
4727 
4728 	rptr = rdev->ih.rptr;
4729 	DRM_DEBUG("evergreen_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
4730 
4731 	/* Order reading of wptr vs. reading of IH ring data */
4732 	rmb();
4733 
4734 	/* display interrupts */
4735 	evergreen_irq_ack(rdev);
4736 
4737 	while (rptr != wptr) {
4738 		/* wptr/rptr are in bytes! */
4739 		ring_index = rptr / 4;
4740 		src_id =  le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
4741 		src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
4742 
4743 		switch (src_id) {
4744 		case 1: /* D1 vblank/vline */
4745 		case 2: /* D2 vblank/vline */
4746 		case 3: /* D3 vblank/vline */
4747 		case 4: /* D4 vblank/vline */
4748 		case 5: /* D5 vblank/vline */
4749 		case 6: /* D6 vblank/vline */
4750 			crtc_idx = src_id - 1;
4751 
4752 			if (src_data == 0) { /* vblank */
4753 				mask = LB_D1_VBLANK_INTERRUPT;
4754 				event_name = "vblank";
4755 
4756 				if (rdev->irq.crtc_vblank_int[crtc_idx]) {
4757 					drm_handle_vblank(rdev->ddev, crtc_idx);
4758 					rdev->pm.vblank_sync = true;
4759 					wake_up(&rdev->irq.vblank_queue);
4760 				}
4761 				if (atomic_read(&rdev->irq.pflip[crtc_idx])) {
4762 					radeon_crtc_handle_vblank(rdev,
4763 								  crtc_idx);
4764 				}
4765 
4766 			} else if (src_data == 1) { /* vline */
4767 				mask = LB_D1_VLINE_INTERRUPT;
4768 				event_name = "vline";
4769 			} else {
4770 				DRM_DEBUG("Unhandled interrupt: %d %d\n",
4771 					  src_id, src_data);
4772 				break;
4773 			}
4774 
4775 			if (!(disp_int[crtc_idx] & mask)) {
4776 				DRM_DEBUG("IH: D%d %s - IH event w/o asserted irq bit?\n",
4777 					  crtc_idx + 1, event_name);
4778 			}
4779 
4780 			disp_int[crtc_idx] &= ~mask;
4781 			DRM_DEBUG("IH: D%d %s\n", crtc_idx + 1, event_name);
4782 
4783 			break;
4784 		case 8: /* D1 page flip */
4785 		case 10: /* D2 page flip */
4786 		case 12: /* D3 page flip */
4787 		case 14: /* D4 page flip */
4788 		case 16: /* D5 page flip */
4789 		case 18: /* D6 page flip */
4790 			DRM_DEBUG("IH: D%d flip\n", ((src_id - 8) >> 1) + 1);
4791 			if (radeon_use_pflipirq > 0)
4792 				radeon_crtc_handle_flip(rdev, (src_id - 8) >> 1);
4793 			break;
4794 		case 42: /* HPD hotplug */
4795 			if (src_data <= 5) {
4796 				hpd_idx = src_data;
4797 				mask = DC_HPD1_INTERRUPT;
4798 				queue_hotplug = true;
4799 				event_name = "HPD";
4800 
4801 			} else if (src_data <= 11) {
4802 				hpd_idx = src_data - 6;
4803 				mask = DC_HPD1_RX_INTERRUPT;
4804 				queue_dp = true;
4805 				event_name = "HPD_RX";
4806 
4807 			} else {
4808 				DRM_DEBUG("Unhandled interrupt: %d %d\n",
4809 					  src_id, src_data);
4810 				break;
4811 			}
4812 
4813 			if (!(disp_int[hpd_idx] & mask))
4814 				DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
4815 
4816 			disp_int[hpd_idx] &= ~mask;
4817 			DRM_DEBUG("IH: %s%d\n", event_name, hpd_idx + 1);
4818 
4819 			break;
4820 		case 44: /* hdmi */
4821 			afmt_idx = src_data;
4822 			if (!(afmt_status[afmt_idx] & AFMT_AZ_FORMAT_WTRIG))
4823 				DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
4824 
4825 			if (afmt_idx > 5) {
4826 				DRM_ERROR("Unhandled interrupt: %d %d\n",
4827 					  src_id, src_data);
4828 				break;
4829 			}
4830 			afmt_status[afmt_idx] &= ~AFMT_AZ_FORMAT_WTRIG;
4831 			queue_hdmi = true;
4832 			DRM_DEBUG("IH: HDMI%d\n", afmt_idx + 1);
4833 			break;
4834 		case 96:
4835 			DRM_ERROR("SRBM_READ_ERROR: 0x%x\n", RREG32(SRBM_READ_ERROR));
4836 			WREG32(SRBM_INT_ACK, 0x1);
4837 			break;
4838 		case 124: /* UVD */
4839 			DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
4840 			radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
4841 			break;
4842 		case 146:
4843 		case 147:
4844 			addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR);
4845 			status = RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS);
4846 			/* reset addr and status */
4847 			WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
4848 			if (addr == 0x0 && status == 0x0)
4849 				break;
4850 			dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data);
4851 			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
4852 				addr);
4853 			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
4854 				status);
4855 			cayman_vm_decode_fault(rdev, status, addr);
4856 			break;
4857 		case 176: /* CP_INT in ring buffer */
4858 		case 177: /* CP_INT in IB1 */
4859 		case 178: /* CP_INT in IB2 */
4860 			DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
4861 			radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4862 			break;
4863 		case 181: /* CP EOP event */
4864 			DRM_DEBUG("IH: CP EOP\n");
4865 			if (rdev->family >= CHIP_CAYMAN) {
4866 				switch (src_data) {
4867 				case 0:
4868 					radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4869 					break;
4870 				case 1:
4871 					radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
4872 					break;
4873 				case 2:
4874 					radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
4875 					break;
4876 				}
4877 			} else
4878 				radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4879 			break;
4880 		case 224: /* DMA trap event */
4881 			DRM_DEBUG("IH: DMA trap\n");
4882 			radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
4883 			break;
4884 		case 230: /* thermal low to high */
4885 			DRM_DEBUG("IH: thermal low to high\n");
4886 			rdev->pm.dpm.thermal.high_to_low = false;
4887 			queue_thermal = true;
4888 			break;
4889 		case 231: /* thermal high to low */
4890 			DRM_DEBUG("IH: thermal high to low\n");
4891 			rdev->pm.dpm.thermal.high_to_low = true;
4892 			queue_thermal = true;
4893 			break;
4894 		case 233: /* GUI IDLE */
4895 			DRM_DEBUG("IH: GUI idle\n");
4896 			break;
4897 		case 244: /* DMA trap event */
4898 			if (rdev->family >= CHIP_CAYMAN) {
4899 				DRM_DEBUG("IH: DMA1 trap\n");
4900 				radeon_fence_process(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
4901 			}
4902 			break;
4903 		default:
4904 			DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4905 			break;
4906 		}
4907 
4908 		/* wptr/rptr are in bytes! */
4909 		rptr += 16;
4910 		rptr &= rdev->ih.ptr_mask;
4911 		WREG32(IH_RB_RPTR, rptr);
4912 	}
4913 	if (queue_dp)
4914 		schedule_work(&rdev->dp_work);
4915 	if (queue_hotplug)
4916 		schedule_delayed_work(&rdev->hotplug_work, 0);
4917 	if (queue_hdmi)
4918 		schedule_work(&rdev->audio_work);
4919 	if (queue_thermal && rdev->pm.dpm_enabled)
4920 		schedule_work(&rdev->pm.dpm.thermal.work);
4921 	rdev->ih.rptr = rptr;
4922 	atomic_set(&rdev->ih.lock, 0);
4923 
4924 	/* make sure wptr hasn't changed while processing */
4925 	wptr = evergreen_get_ih_wptr(rdev);
4926 	if (wptr != rptr)
4927 		goto restart_ih;
4928 
4929 	return IRQ_HANDLED;
4930 }
4931 
4932 static void evergreen_uvd_init(struct radeon_device *rdev)
4933 {
4934 	int r;
4935 
4936 	if (!rdev->has_uvd)
4937 		return;
4938 
4939 	r = radeon_uvd_init(rdev);
4940 	if (r) {
4941 		dev_err(rdev->dev, "failed UVD (%d) init.\n", r);
4942 		/*
4943 		 * At this point rdev->uvd.vcpu_bo is NULL which trickles down
4944 		 * to early fails uvd_v2_2_resume() and thus nothing happens
4945 		 * there. So it is pointless to try to go through that code
4946 		 * hence why we disable uvd here.
4947 		 */
4948 		rdev->has_uvd = false;
4949 		return;
4950 	}
4951 	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_obj = NULL;
4952 	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_UVD_INDEX], 4096);
4953 }
4954 
4955 static void evergreen_uvd_start(struct radeon_device *rdev)
4956 {
4957 	int r;
4958 
4959 	if (!rdev->has_uvd)
4960 		return;
4961 
4962 	r = uvd_v2_2_resume(rdev);
4963 	if (r) {
4964 		dev_err(rdev->dev, "failed UVD resume (%d).\n", r);
4965 		goto error;
4966 	}
4967 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_UVD_INDEX);
4968 	if (r) {
4969 		dev_err(rdev->dev, "failed initializing UVD fences (%d).\n", r);
4970 		goto error;
4971 	}
4972 	return;
4973 
4974 error:
4975 	rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
4976 }
4977 
4978 static void evergreen_uvd_resume(struct radeon_device *rdev)
4979 {
4980 	struct radeon_ring *ring;
4981 	int r;
4982 
4983 	if (!rdev->has_uvd || !rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size)
4984 		return;
4985 
4986 	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
4987 	r = radeon_ring_init(rdev, ring, ring->ring_size, 0, PACKET0(UVD_NO_OP, 0));
4988 	if (r) {
4989 		dev_err(rdev->dev, "failed initializing UVD ring (%d).\n", r);
4990 		return;
4991 	}
4992 	r = uvd_v1_0_init(rdev);
4993 	if (r) {
4994 		dev_err(rdev->dev, "failed initializing UVD (%d).\n", r);
4995 		return;
4996 	}
4997 }
4998 
4999 static int evergreen_startup(struct radeon_device *rdev)
5000 {
5001 	struct radeon_ring *ring;
5002 	int r;
5003 
5004 	/* enable pcie gen2 link */
5005 	evergreen_pcie_gen2_enable(rdev);
5006 	/* enable aspm */
5007 	evergreen_program_aspm(rdev);
5008 
5009 	/* scratch needs to be initialized before MC */
5010 	r = r600_vram_scratch_init(rdev);
5011 	if (r)
5012 		return r;
5013 
5014 	evergreen_mc_program(rdev);
5015 
5016 	if (ASIC_IS_DCE5(rdev) && !rdev->pm.dpm_enabled) {
5017 		r = ni_mc_load_microcode(rdev);
5018 		if (r) {
5019 			DRM_ERROR("Failed to load MC firmware!\n");
5020 			return r;
5021 		}
5022 	}
5023 
5024 	if (rdev->flags & RADEON_IS_AGP) {
5025 		evergreen_agp_enable(rdev);
5026 	} else {
5027 		r = evergreen_pcie_gart_enable(rdev);
5028 		if (r)
5029 			return r;
5030 	}
5031 	evergreen_gpu_init(rdev);
5032 
5033 	/* allocate rlc buffers */
5034 	if (rdev->flags & RADEON_IS_IGP) {
5035 		rdev->rlc.reg_list = sumo_rlc_save_restore_register_list;
5036 		rdev->rlc.reg_list_size =
5037 			(u32)ARRAY_SIZE(sumo_rlc_save_restore_register_list);
5038 		rdev->rlc.cs_data = evergreen_cs_data;
5039 		r = sumo_rlc_init(rdev);
5040 		if (r) {
5041 			DRM_ERROR("Failed to init rlc BOs!\n");
5042 			return r;
5043 		}
5044 	}
5045 
5046 	/* allocate wb buffer */
5047 	r = radeon_wb_init(rdev);
5048 	if (r)
5049 		return r;
5050 
5051 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
5052 	if (r) {
5053 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
5054 		return r;
5055 	}
5056 
5057 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
5058 	if (r) {
5059 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
5060 		return r;
5061 	}
5062 
5063 	evergreen_uvd_start(rdev);
5064 
5065 	/* Enable IRQ */
5066 	if (!rdev->irq.installed) {
5067 		r = radeon_irq_kms_init(rdev);
5068 		if (r)
5069 			return r;
5070 	}
5071 
5072 	r = r600_irq_init(rdev);
5073 	if (r) {
5074 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
5075 		radeon_irq_kms_fini(rdev);
5076 		return r;
5077 	}
5078 	evergreen_irq_set(rdev);
5079 
5080 	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
5081 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
5082 			     RADEON_CP_PACKET2);
5083 	if (r)
5084 		return r;
5085 
5086 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
5087 	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
5088 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0));
5089 	if (r)
5090 		return r;
5091 
5092 	r = evergreen_cp_load_microcode(rdev);
5093 	if (r)
5094 		return r;
5095 	r = evergreen_cp_resume(rdev);
5096 	if (r)
5097 		return r;
5098 	r = r600_dma_resume(rdev);
5099 	if (r)
5100 		return r;
5101 
5102 	evergreen_uvd_resume(rdev);
5103 
5104 	r = radeon_ib_pool_init(rdev);
5105 	if (r) {
5106 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
5107 		return r;
5108 	}
5109 
5110 	r = radeon_audio_init(rdev);
5111 	if (r) {
5112 		DRM_ERROR("radeon: audio init failed\n");
5113 		return r;
5114 	}
5115 
5116 	return 0;
5117 }
5118 
5119 int evergreen_resume(struct radeon_device *rdev)
5120 {
5121 	int r;
5122 
5123 	/* reset the asic, the gfx blocks are often in a bad state
5124 	 * after the driver is unloaded or after a resume
5125 	 */
5126 	if (radeon_asic_reset(rdev))
5127 		dev_warn(rdev->dev, "GPU reset failed !\n");
5128 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
5129 	 * posting will perform necessary task to bring back GPU into good
5130 	 * shape.
5131 	 */
5132 	/* post card */
5133 	atom_asic_init(rdev->mode_info.atom_context);
5134 
5135 	/* init golden registers */
5136 	evergreen_init_golden_registers(rdev);
5137 
5138 	if (rdev->pm.pm_method == PM_METHOD_DPM)
5139 		radeon_pm_resume(rdev);
5140 
5141 	rdev->accel_working = true;
5142 	r = evergreen_startup(rdev);
5143 	if (r) {
5144 		DRM_ERROR("evergreen startup failed on resume\n");
5145 		rdev->accel_working = false;
5146 		return r;
5147 	}
5148 
5149 	return r;
5150 
5151 }
5152 
5153 int evergreen_suspend(struct radeon_device *rdev)
5154 {
5155 	radeon_pm_suspend(rdev);
5156 	radeon_audio_fini(rdev);
5157 	if (rdev->has_uvd) {
5158 		uvd_v1_0_fini(rdev);
5159 		radeon_uvd_suspend(rdev);
5160 	}
5161 	r700_cp_stop(rdev);
5162 	r600_dma_stop(rdev);
5163 	evergreen_irq_suspend(rdev);
5164 	radeon_wb_disable(rdev);
5165 	evergreen_pcie_gart_disable(rdev);
5166 
5167 	return 0;
5168 }
5169 
5170 /* Plan is to move initialization in that function and use
5171  * helper function so that radeon_device_init pretty much
5172  * do nothing more than calling asic specific function. This
5173  * should also allow to remove a bunch of callback function
5174  * like vram_info.
5175  */
5176 int evergreen_init(struct radeon_device *rdev)
5177 {
5178 	int r;
5179 
5180 	/* Read BIOS */
5181 	if (!radeon_get_bios(rdev)) {
5182 		if (ASIC_IS_AVIVO(rdev))
5183 			return -EINVAL;
5184 	}
5185 	/* Must be an ATOMBIOS */
5186 	if (!rdev->is_atom_bios) {
5187 		dev_err(rdev->dev, "Expecting atombios for evergreen GPU\n");
5188 		return -EINVAL;
5189 	}
5190 	r = radeon_atombios_init(rdev);
5191 	if (r)
5192 		return r;
5193 	/* reset the asic, the gfx blocks are often in a bad state
5194 	 * after the driver is unloaded or after a resume
5195 	 */
5196 	if (radeon_asic_reset(rdev))
5197 		dev_warn(rdev->dev, "GPU reset failed !\n");
5198 	/* Post card if necessary */
5199 	if (!radeon_card_posted(rdev)) {
5200 		if (!rdev->bios) {
5201 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
5202 			return -EINVAL;
5203 		}
5204 		DRM_INFO("GPU not posted. posting now...\n");
5205 		atom_asic_init(rdev->mode_info.atom_context);
5206 	}
5207 	/* init golden registers */
5208 	evergreen_init_golden_registers(rdev);
5209 	/* Initialize scratch registers */
5210 	r600_scratch_init(rdev);
5211 	/* Initialize surface registers */
5212 	radeon_surface_init(rdev);
5213 	/* Initialize clocks */
5214 	radeon_get_clock_info(rdev->ddev);
5215 	/* Fence driver */
5216 	r = radeon_fence_driver_init(rdev);
5217 	if (r)
5218 		return r;
5219 	/* initialize AGP */
5220 	if (rdev->flags & RADEON_IS_AGP) {
5221 		r = radeon_agp_init(rdev);
5222 		if (r)
5223 			radeon_agp_disable(rdev);
5224 	}
5225 	/* initialize memory controller */
5226 	r = evergreen_mc_init(rdev);
5227 	if (r)
5228 		return r;
5229 	/* Memory manager */
5230 	r = radeon_bo_init(rdev);
5231 	if (r)
5232 		return r;
5233 
5234 	if (ASIC_IS_DCE5(rdev)) {
5235 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
5236 			r = ni_init_microcode(rdev);
5237 			if (r) {
5238 				DRM_ERROR("Failed to load firmware!\n");
5239 				return r;
5240 			}
5241 		}
5242 	} else {
5243 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
5244 			r = r600_init_microcode(rdev);
5245 			if (r) {
5246 				DRM_ERROR("Failed to load firmware!\n");
5247 				return r;
5248 			}
5249 		}
5250 	}
5251 
5252 	/* Initialize power management */
5253 	radeon_pm_init(rdev);
5254 
5255 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
5256 	r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
5257 
5258 	rdev->ring[R600_RING_TYPE_DMA_INDEX].ring_obj = NULL;
5259 	r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX], 64 * 1024);
5260 
5261 	evergreen_uvd_init(rdev);
5262 
5263 	rdev->ih.ring_obj = NULL;
5264 	r600_ih_ring_init(rdev, 64 * 1024);
5265 
5266 	r = r600_pcie_gart_init(rdev);
5267 	if (r)
5268 		return r;
5269 
5270 	rdev->accel_working = true;
5271 	r = evergreen_startup(rdev);
5272 	if (r) {
5273 		dev_err(rdev->dev, "disabling GPU acceleration\n");
5274 		r700_cp_fini(rdev);
5275 		r600_dma_fini(rdev);
5276 		r600_irq_fini(rdev);
5277 		if (rdev->flags & RADEON_IS_IGP)
5278 			sumo_rlc_fini(rdev);
5279 		radeon_wb_fini(rdev);
5280 		radeon_ib_pool_fini(rdev);
5281 		radeon_irq_kms_fini(rdev);
5282 		evergreen_pcie_gart_fini(rdev);
5283 		rdev->accel_working = false;
5284 	}
5285 
5286 	/* Don't start up if the MC ucode is missing on BTC parts.
5287 	 * The default clocks and voltages before the MC ucode
5288 	 * is loaded are not suffient for advanced operations.
5289 	 */
5290 	if (ASIC_IS_DCE5(rdev)) {
5291 		if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
5292 			DRM_ERROR("radeon: MC ucode required for NI+.\n");
5293 			return -EINVAL;
5294 		}
5295 	}
5296 
5297 	return 0;
5298 }
5299 
5300 void evergreen_fini(struct radeon_device *rdev)
5301 {
5302 	radeon_pm_fini(rdev);
5303 	radeon_audio_fini(rdev);
5304 	r700_cp_fini(rdev);
5305 	r600_dma_fini(rdev);
5306 	r600_irq_fini(rdev);
5307 	if (rdev->flags & RADEON_IS_IGP)
5308 		sumo_rlc_fini(rdev);
5309 	radeon_wb_fini(rdev);
5310 	radeon_ib_pool_fini(rdev);
5311 	radeon_irq_kms_fini(rdev);
5312 	uvd_v1_0_fini(rdev);
5313 	radeon_uvd_fini(rdev);
5314 	evergreen_pcie_gart_fini(rdev);
5315 	r600_vram_scratch_fini(rdev);
5316 	radeon_gem_fini(rdev);
5317 	radeon_fence_driver_fini(rdev);
5318 	radeon_agp_fini(rdev);
5319 	radeon_bo_fini(rdev);
5320 	radeon_atombios_fini(rdev);
5321 	kfree(rdev->bios);
5322 	rdev->bios = NULL;
5323 }
5324 
5325 void evergreen_pcie_gen2_enable(struct radeon_device *rdev)
5326 {
5327 	u32 link_width_cntl, speed_cntl;
5328 
5329 	if (radeon_pcie_gen2 == 0)
5330 		return;
5331 
5332 	if (rdev->flags & RADEON_IS_IGP)
5333 		return;
5334 
5335 	if (!(rdev->flags & RADEON_IS_PCIE))
5336 		return;
5337 
5338 	/* x2 cards have a special sequence */
5339 	if (ASIC_IS_X2(rdev))
5340 		return;
5341 
5342 	if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) &&
5343 		(rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT))
5344 		return;
5345 
5346 	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5347 	if (speed_cntl & LC_CURRENT_DATA_RATE) {
5348 		DRM_INFO("PCIE gen 2 link speeds already enabled\n");
5349 		return;
5350 	}
5351 
5352 	DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
5353 
5354 	if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) ||
5355 	    (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
5356 
5357 		link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
5358 		link_width_cntl &= ~LC_UPCONFIGURE_DIS;
5359 		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
5360 
5361 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5362 		speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
5363 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
5364 
5365 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5366 		speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
5367 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
5368 
5369 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5370 		speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
5371 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
5372 
5373 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
5374 		speed_cntl |= LC_GEN2_EN_STRAP;
5375 		WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
5376 
5377 	} else {
5378 		link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
5379 		/* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
5380 		if (1)
5381 			link_width_cntl |= LC_UPCONFIGURE_DIS;
5382 		else
5383 			link_width_cntl &= ~LC_UPCONFIGURE_DIS;
5384 		WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
5385 	}
5386 }
5387 
5388 void evergreen_program_aspm(struct radeon_device *rdev)
5389 {
5390 	u32 data, orig;
5391 	u32 pcie_lc_cntl, pcie_lc_cntl_old;
5392 	bool disable_l0s, disable_l1 = false, disable_plloff_in_l1 = false;
5393 	/* fusion_platform = true
5394 	 * if the system is a fusion system
5395 	 * (APU or DGPU in a fusion system).
5396 	 * todo: check if the system is a fusion platform.
5397 	 */
5398 	bool fusion_platform = false;
5399 
5400 	if (radeon_aspm == 0)
5401 		return;
5402 
5403 	if (!(rdev->flags & RADEON_IS_PCIE))
5404 		return;
5405 
5406 	switch (rdev->family) {
5407 	case CHIP_CYPRESS:
5408 	case CHIP_HEMLOCK:
5409 	case CHIP_JUNIPER:
5410 	case CHIP_REDWOOD:
5411 	case CHIP_CEDAR:
5412 	case CHIP_SUMO:
5413 	case CHIP_SUMO2:
5414 	case CHIP_PALM:
5415 	case CHIP_ARUBA:
5416 		disable_l0s = true;
5417 		break;
5418 	default:
5419 		disable_l0s = false;
5420 		break;
5421 	}
5422 
5423 	if (rdev->flags & RADEON_IS_IGP)
5424 		fusion_platform = true; /* XXX also dGPUs in a fusion system */
5425 
5426 	data = orig = RREG32_PIF_PHY0(PB0_PIF_PAIRING);
5427 	if (fusion_platform)
5428 		data &= ~MULTI_PIF;
5429 	else
5430 		data |= MULTI_PIF;
5431 	if (data != orig)
5432 		WREG32_PIF_PHY0(PB0_PIF_PAIRING, data);
5433 
5434 	data = orig = RREG32_PIF_PHY1(PB1_PIF_PAIRING);
5435 	if (fusion_platform)
5436 		data &= ~MULTI_PIF;
5437 	else
5438 		data |= MULTI_PIF;
5439 	if (data != orig)
5440 		WREG32_PIF_PHY1(PB1_PIF_PAIRING, data);
5441 
5442 	pcie_lc_cntl = pcie_lc_cntl_old = RREG32_PCIE_PORT(PCIE_LC_CNTL);
5443 	pcie_lc_cntl &= ~(LC_L0S_INACTIVITY_MASK | LC_L1_INACTIVITY_MASK);
5444 	if (!disable_l0s) {
5445 		if (rdev->family >= CHIP_BARTS)
5446 			pcie_lc_cntl |= LC_L0S_INACTIVITY(7);
5447 		else
5448 			pcie_lc_cntl |= LC_L0S_INACTIVITY(3);
5449 	}
5450 
5451 	if (!disable_l1) {
5452 		if (rdev->family >= CHIP_BARTS)
5453 			pcie_lc_cntl |= LC_L1_INACTIVITY(7);
5454 		else
5455 			pcie_lc_cntl |= LC_L1_INACTIVITY(8);
5456 
5457 		if (!disable_plloff_in_l1) {
5458 			data = orig = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0);
5459 			data &= ~(PLL_POWER_STATE_IN_OFF_0_MASK | PLL_POWER_STATE_IN_TXS2_0_MASK);
5460 			data |= PLL_POWER_STATE_IN_OFF_0(7) | PLL_POWER_STATE_IN_TXS2_0(7);
5461 			if (data != orig)
5462 				WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0, data);
5463 
5464 			data = orig = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1);
5465 			data &= ~(PLL_POWER_STATE_IN_OFF_1_MASK | PLL_POWER_STATE_IN_TXS2_1_MASK);
5466 			data |= PLL_POWER_STATE_IN_OFF_1(7) | PLL_POWER_STATE_IN_TXS2_1(7);
5467 			if (data != orig)
5468 				WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1, data);
5469 
5470 			data = orig = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0);
5471 			data &= ~(PLL_POWER_STATE_IN_OFF_0_MASK | PLL_POWER_STATE_IN_TXS2_0_MASK);
5472 			data |= PLL_POWER_STATE_IN_OFF_0(7) | PLL_POWER_STATE_IN_TXS2_0(7);
5473 			if (data != orig)
5474 				WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0, data);
5475 
5476 			data = orig = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1);
5477 			data &= ~(PLL_POWER_STATE_IN_OFF_1_MASK | PLL_POWER_STATE_IN_TXS2_1_MASK);
5478 			data |= PLL_POWER_STATE_IN_OFF_1(7) | PLL_POWER_STATE_IN_TXS2_1(7);
5479 			if (data != orig)
5480 				WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1, data);
5481 
5482 			if (rdev->family >= CHIP_BARTS) {
5483 				data = orig = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0);
5484 				data &= ~PLL_RAMP_UP_TIME_0_MASK;
5485 				data |= PLL_RAMP_UP_TIME_0(4);
5486 				if (data != orig)
5487 					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0, data);
5488 
5489 				data = orig = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1);
5490 				data &= ~PLL_RAMP_UP_TIME_1_MASK;
5491 				data |= PLL_RAMP_UP_TIME_1(4);
5492 				if (data != orig)
5493 					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1, data);
5494 
5495 				data = orig = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0);
5496 				data &= ~PLL_RAMP_UP_TIME_0_MASK;
5497 				data |= PLL_RAMP_UP_TIME_0(4);
5498 				if (data != orig)
5499 					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0, data);
5500 
5501 				data = orig = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1);
5502 				data &= ~PLL_RAMP_UP_TIME_1_MASK;
5503 				data |= PLL_RAMP_UP_TIME_1(4);
5504 				if (data != orig)
5505 					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1, data);
5506 			}
5507 
5508 			data = orig = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
5509 			data &= ~LC_DYN_LANES_PWR_STATE_MASK;
5510 			data |= LC_DYN_LANES_PWR_STATE(3);
5511 			if (data != orig)
5512 				WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, data);
5513 
5514 			if (rdev->family >= CHIP_BARTS) {
5515 				data = orig = RREG32_PIF_PHY0(PB0_PIF_CNTL);
5516 				data &= ~LS2_EXIT_TIME_MASK;
5517 				data |= LS2_EXIT_TIME(1);
5518 				if (data != orig)
5519 					WREG32_PIF_PHY0(PB0_PIF_CNTL, data);
5520 
5521 				data = orig = RREG32_PIF_PHY1(PB1_PIF_CNTL);
5522 				data &= ~LS2_EXIT_TIME_MASK;
5523 				data |= LS2_EXIT_TIME(1);
5524 				if (data != orig)
5525 					WREG32_PIF_PHY1(PB1_PIF_CNTL, data);
5526 			}
5527 		}
5528 	}
5529 
5530 	/* evergreen parts only */
5531 	if (rdev->family < CHIP_BARTS)
5532 		pcie_lc_cntl |= LC_PMI_TO_L1_DIS;
5533 
5534 	if (pcie_lc_cntl != pcie_lc_cntl_old)
5535 		WREG32_PCIE_PORT(PCIE_LC_CNTL, pcie_lc_cntl);
5536 }
5537