xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/cik.c (revision f5ad1c74) 
1 /*
2  * Copyright 2012 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: Alex Deucher
23  */
24 #include <linux/firmware.h>
25 #include <linux/slab.h>
26 #include <linux/module.h>
27 #include <linux/pci.h>
28 
29 #include "amdgpu.h"
30 #include "amdgpu_atombios.h"
31 #include "amdgpu_ih.h"
32 #include "amdgpu_uvd.h"
33 #include "amdgpu_vce.h"
34 #include "cikd.h"
35 #include "atom.h"
36 #include "amd_pcie.h"
37 
38 #include "cik.h"
39 #include "gmc_v7_0.h"
40 #include "cik_ih.h"
41 #include "dce_v8_0.h"
42 #include "gfx_v7_0.h"
43 #include "cik_sdma.h"
44 #include "uvd_v4_2.h"
45 #include "vce_v2_0.h"
46 #include "cik_dpm.h"
47 
48 #include "uvd/uvd_4_2_d.h"
49 
50 #include "smu/smu_7_0_1_d.h"
51 #include "smu/smu_7_0_1_sh_mask.h"
52 
53 #include "dce/dce_8_0_d.h"
54 #include "dce/dce_8_0_sh_mask.h"
55 
56 #include "bif/bif_4_1_d.h"
57 #include "bif/bif_4_1_sh_mask.h"
58 
59 #include "gca/gfx_7_2_d.h"
60 #include "gca/gfx_7_2_enum.h"
61 #include "gca/gfx_7_2_sh_mask.h"
62 
63 #include "gmc/gmc_7_1_d.h"
64 #include "gmc/gmc_7_1_sh_mask.h"
65 
66 #include "oss/oss_2_0_d.h"
67 #include "oss/oss_2_0_sh_mask.h"
68 
69 #include "amdgpu_dm.h"
70 #include "amdgpu_amdkfd.h"
71 #include "dce_virtual.h"
72 
73 /*
74  * Indirect registers accessor
75  */
76 static u32 cik_pcie_rreg(struct amdgpu_device *adev, u32 reg)
77 {
78 	unsigned long flags;
79 	u32 r;
80 
81 	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
82 	WREG32(mmPCIE_INDEX, reg);
83 	(void)RREG32(mmPCIE_INDEX);
84 	r = RREG32(mmPCIE_DATA);
85 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
86 	return r;
87 }
88 
89 static void cik_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
90 {
91 	unsigned long flags;
92 
93 	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
94 	WREG32(mmPCIE_INDEX, reg);
95 	(void)RREG32(mmPCIE_INDEX);
96 	WREG32(mmPCIE_DATA, v);
97 	(void)RREG32(mmPCIE_DATA);
98 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
99 }
100 
101 static u32 cik_smc_rreg(struct amdgpu_device *adev, u32 reg)
102 {
103 	unsigned long flags;
104 	u32 r;
105 
106 	spin_lock_irqsave(&adev->smc_idx_lock, flags);
107 	WREG32(mmSMC_IND_INDEX_0, (reg));
108 	r = RREG32(mmSMC_IND_DATA_0);
109 	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
110 	return r;
111 }
112 
113 static void cik_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
114 {
115 	unsigned long flags;
116 
117 	spin_lock_irqsave(&adev->smc_idx_lock, flags);
118 	WREG32(mmSMC_IND_INDEX_0, (reg));
119 	WREG32(mmSMC_IND_DATA_0, (v));
120 	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
121 }
122 
123 static u32 cik_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg)
124 {
125 	unsigned long flags;
126 	u32 r;
127 
128 	spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
129 	WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff));
130 	r = RREG32(mmUVD_CTX_DATA);
131 	spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
132 	return r;
133 }
134 
135 static void cik_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
136 {
137 	unsigned long flags;
138 
139 	spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
140 	WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff));
141 	WREG32(mmUVD_CTX_DATA, (v));
142 	spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
143 }
144 
145 static u32 cik_didt_rreg(struct amdgpu_device *adev, u32 reg)
146 {
147 	unsigned long flags;
148 	u32 r;
149 
150 	spin_lock_irqsave(&adev->didt_idx_lock, flags);
151 	WREG32(mmDIDT_IND_INDEX, (reg));
152 	r = RREG32(mmDIDT_IND_DATA);
153 	spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
154 	return r;
155 }
156 
157 static void cik_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
158 {
159 	unsigned long flags;
160 
161 	spin_lock_irqsave(&adev->didt_idx_lock, flags);
162 	WREG32(mmDIDT_IND_INDEX, (reg));
163 	WREG32(mmDIDT_IND_DATA, (v));
164 	spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
165 }
166 
167 static const u32 bonaire_golden_spm_registers[] =
168 {
169 	0xc200, 0xe0ffffff, 0xe0000000
170 };
171 
172 static const u32 bonaire_golden_common_registers[] =
173 {
174 	0x31dc, 0xffffffff, 0x00000800,
175 	0x31dd, 0xffffffff, 0x00000800,
176 	0x31e6, 0xffffffff, 0x00007fbf,
177 	0x31e7, 0xffffffff, 0x00007faf
178 };
179 
180 static const u32 bonaire_golden_registers[] =
181 {
182 	0xcd5, 0x00000333, 0x00000333,
183 	0xcd4, 0x000c0fc0, 0x00040200,
184 	0x2684, 0x00010000, 0x00058208,
185 	0xf000, 0xffff1fff, 0x00140000,
186 	0xf080, 0xfdfc0fff, 0x00000100,
187 	0xf08d, 0x40000000, 0x40000200,
188 	0x260c, 0xffffffff, 0x00000000,
189 	0x260d, 0xf00fffff, 0x00000400,
190 	0x260e, 0x0002021c, 0x00020200,
191 	0x31e, 0x00000080, 0x00000000,
192 	0x16ec, 0x000000f0, 0x00000070,
193 	0x16f0, 0xf0311fff, 0x80300000,
194 	0x263e, 0x73773777, 0x12010001,
195 	0xd43, 0x00810000, 0x408af000,
196 	0x1c0c, 0x31000111, 0x00000011,
197 	0xbd2, 0x73773777, 0x12010001,
198 	0x883, 0x00007fb6, 0x0021a1b1,
199 	0x884, 0x00007fb6, 0x002021b1,
200 	0x860, 0x00007fb6, 0x00002191,
201 	0x886, 0x00007fb6, 0x002121b1,
202 	0x887, 0x00007fb6, 0x002021b1,
203 	0x877, 0x00007fb6, 0x00002191,
204 	0x878, 0x00007fb6, 0x00002191,
205 	0xd8a, 0x0000003f, 0x0000000a,
206 	0xd8b, 0x0000003f, 0x0000000a,
207 	0xab9, 0x00073ffe, 0x000022a2,
208 	0x903, 0x000007ff, 0x00000000,
209 	0x2285, 0xf000003f, 0x00000007,
210 	0x22fc, 0x00002001, 0x00000001,
211 	0x22c9, 0xffffffff, 0x00ffffff,
212 	0xc281, 0x0000ff0f, 0x00000000,
213 	0xa293, 0x07ffffff, 0x06000000,
214 	0x136, 0x00000fff, 0x00000100,
215 	0xf9e, 0x00000001, 0x00000002,
216 	0x2440, 0x03000000, 0x0362c688,
217 	0x2300, 0x000000ff, 0x00000001,
218 	0x390, 0x00001fff, 0x00001fff,
219 	0x2418, 0x0000007f, 0x00000020,
220 	0x2542, 0x00010000, 0x00010000,
221 	0x2b05, 0x000003ff, 0x000000f3,
222 	0x2b03, 0xffffffff, 0x00001032
223 };
224 
225 static const u32 bonaire_mgcg_cgcg_init[] =
226 {
227 	0x3108, 0xffffffff, 0xfffffffc,
228 	0xc200, 0xffffffff, 0xe0000000,
229 	0xf0a8, 0xffffffff, 0x00000100,
230 	0xf082, 0xffffffff, 0x00000100,
231 	0xf0b0, 0xffffffff, 0xc0000100,
232 	0xf0b2, 0xffffffff, 0xc0000100,
233 	0xf0b1, 0xffffffff, 0xc0000100,
234 	0x1579, 0xffffffff, 0x00600100,
235 	0xf0a0, 0xffffffff, 0x00000100,
236 	0xf085, 0xffffffff, 0x06000100,
237 	0xf088, 0xffffffff, 0x00000100,
238 	0xf086, 0xffffffff, 0x06000100,
239 	0xf081, 0xffffffff, 0x00000100,
240 	0xf0b8, 0xffffffff, 0x00000100,
241 	0xf089, 0xffffffff, 0x00000100,
242 	0xf080, 0xffffffff, 0x00000100,
243 	0xf08c, 0xffffffff, 0x00000100,
244 	0xf08d, 0xffffffff, 0x00000100,
245 	0xf094, 0xffffffff, 0x00000100,
246 	0xf095, 0xffffffff, 0x00000100,
247 	0xf096, 0xffffffff, 0x00000100,
248 	0xf097, 0xffffffff, 0x00000100,
249 	0xf098, 0xffffffff, 0x00000100,
250 	0xf09f, 0xffffffff, 0x00000100,
251 	0xf09e, 0xffffffff, 0x00000100,
252 	0xf084, 0xffffffff, 0x06000100,
253 	0xf0a4, 0xffffffff, 0x00000100,
254 	0xf09d, 0xffffffff, 0x00000100,
255 	0xf0ad, 0xffffffff, 0x00000100,
256 	0xf0ac, 0xffffffff, 0x00000100,
257 	0xf09c, 0xffffffff, 0x00000100,
258 	0xc200, 0xffffffff, 0xe0000000,
259 	0xf008, 0xffffffff, 0x00010000,
260 	0xf009, 0xffffffff, 0x00030002,
261 	0xf00a, 0xffffffff, 0x00040007,
262 	0xf00b, 0xffffffff, 0x00060005,
263 	0xf00c, 0xffffffff, 0x00090008,
264 	0xf00d, 0xffffffff, 0x00010000,
265 	0xf00e, 0xffffffff, 0x00030002,
266 	0xf00f, 0xffffffff, 0x00040007,
267 	0xf010, 0xffffffff, 0x00060005,
268 	0xf011, 0xffffffff, 0x00090008,
269 	0xf012, 0xffffffff, 0x00010000,
270 	0xf013, 0xffffffff, 0x00030002,
271 	0xf014, 0xffffffff, 0x00040007,
272 	0xf015, 0xffffffff, 0x00060005,
273 	0xf016, 0xffffffff, 0x00090008,
274 	0xf017, 0xffffffff, 0x00010000,
275 	0xf018, 0xffffffff, 0x00030002,
276 	0xf019, 0xffffffff, 0x00040007,
277 	0xf01a, 0xffffffff, 0x00060005,
278 	0xf01b, 0xffffffff, 0x00090008,
279 	0xf01c, 0xffffffff, 0x00010000,
280 	0xf01d, 0xffffffff, 0x00030002,
281 	0xf01e, 0xffffffff, 0x00040007,
282 	0xf01f, 0xffffffff, 0x00060005,
283 	0xf020, 0xffffffff, 0x00090008,
284 	0xf021, 0xffffffff, 0x00010000,
285 	0xf022, 0xffffffff, 0x00030002,
286 	0xf023, 0xffffffff, 0x00040007,
287 	0xf024, 0xffffffff, 0x00060005,
288 	0xf025, 0xffffffff, 0x00090008,
289 	0xf026, 0xffffffff, 0x00010000,
290 	0xf027, 0xffffffff, 0x00030002,
291 	0xf028, 0xffffffff, 0x00040007,
292 	0xf029, 0xffffffff, 0x00060005,
293 	0xf02a, 0xffffffff, 0x00090008,
294 	0xf000, 0xffffffff, 0x96e00200,
295 	0x21c2, 0xffffffff, 0x00900100,
296 	0x3109, 0xffffffff, 0x0020003f,
297 	0xe, 0xffffffff, 0x0140001c,
298 	0xf, 0x000f0000, 0x000f0000,
299 	0x88, 0xffffffff, 0xc060000c,
300 	0x89, 0xc0000fff, 0x00000100,
301 	0x3e4, 0xffffffff, 0x00000100,
302 	0x3e6, 0x00000101, 0x00000000,
303 	0x82a, 0xffffffff, 0x00000104,
304 	0x1579, 0xff000fff, 0x00000100,
305 	0xc33, 0xc0000fff, 0x00000104,
306 	0x3079, 0x00000001, 0x00000001,
307 	0x3403, 0xff000ff0, 0x00000100,
308 	0x3603, 0xff000ff0, 0x00000100
309 };
310 
311 static const u32 spectre_golden_spm_registers[] =
312 {
313 	0xc200, 0xe0ffffff, 0xe0000000
314 };
315 
316 static const u32 spectre_golden_common_registers[] =
317 {
318 	0x31dc, 0xffffffff, 0x00000800,
319 	0x31dd, 0xffffffff, 0x00000800,
320 	0x31e6, 0xffffffff, 0x00007fbf,
321 	0x31e7, 0xffffffff, 0x00007faf
322 };
323 
324 static const u32 spectre_golden_registers[] =
325 {
326 	0xf000, 0xffff1fff, 0x96940200,
327 	0xf003, 0xffff0001, 0xff000000,
328 	0xf080, 0xfffc0fff, 0x00000100,
329 	0x1bb6, 0x00010101, 0x00010000,
330 	0x260d, 0xf00fffff, 0x00000400,
331 	0x260e, 0xfffffffc, 0x00020200,
332 	0x16ec, 0x000000f0, 0x00000070,
333 	0x16f0, 0xf0311fff, 0x80300000,
334 	0x263e, 0x73773777, 0x12010001,
335 	0x26df, 0x00ff0000, 0x00fc0000,
336 	0xbd2, 0x73773777, 0x12010001,
337 	0x2285, 0xf000003f, 0x00000007,
338 	0x22c9, 0xffffffff, 0x00ffffff,
339 	0xa0d4, 0x3f3f3fff, 0x00000082,
340 	0xa0d5, 0x0000003f, 0x00000000,
341 	0xf9e, 0x00000001, 0x00000002,
342 	0x244f, 0xffff03df, 0x00000004,
343 	0x31da, 0x00000008, 0x00000008,
344 	0x2300, 0x000008ff, 0x00000800,
345 	0x2542, 0x00010000, 0x00010000,
346 	0x2b03, 0xffffffff, 0x54763210,
347 	0x853e, 0x01ff01ff, 0x00000002,
348 	0x8526, 0x007ff800, 0x00200000,
349 	0x8057, 0xffffffff, 0x00000f40,
350 	0xc24d, 0xffffffff, 0x00000001
351 };
352 
353 static const u32 spectre_mgcg_cgcg_init[] =
354 {
355 	0x3108, 0xffffffff, 0xfffffffc,
356 	0xc200, 0xffffffff, 0xe0000000,
357 	0xf0a8, 0xffffffff, 0x00000100,
358 	0xf082, 0xffffffff, 0x00000100,
359 	0xf0b0, 0xffffffff, 0x00000100,
360 	0xf0b2, 0xffffffff, 0x00000100,
361 	0xf0b1, 0xffffffff, 0x00000100,
362 	0x1579, 0xffffffff, 0x00600100,
363 	0xf0a0, 0xffffffff, 0x00000100,
364 	0xf085, 0xffffffff, 0x06000100,
365 	0xf088, 0xffffffff, 0x00000100,
366 	0xf086, 0xffffffff, 0x06000100,
367 	0xf081, 0xffffffff, 0x00000100,
368 	0xf0b8, 0xffffffff, 0x00000100,
369 	0xf089, 0xffffffff, 0x00000100,
370 	0xf080, 0xffffffff, 0x00000100,
371 	0xf08c, 0xffffffff, 0x00000100,
372 	0xf08d, 0xffffffff, 0x00000100,
373 	0xf094, 0xffffffff, 0x00000100,
374 	0xf095, 0xffffffff, 0x00000100,
375 	0xf096, 0xffffffff, 0x00000100,
376 	0xf097, 0xffffffff, 0x00000100,
377 	0xf098, 0xffffffff, 0x00000100,
378 	0xf09f, 0xffffffff, 0x00000100,
379 	0xf09e, 0xffffffff, 0x00000100,
380 	0xf084, 0xffffffff, 0x06000100,
381 	0xf0a4, 0xffffffff, 0x00000100,
382 	0xf09d, 0xffffffff, 0x00000100,
383 	0xf0ad, 0xffffffff, 0x00000100,
384 	0xf0ac, 0xffffffff, 0x00000100,
385 	0xf09c, 0xffffffff, 0x00000100,
386 	0xc200, 0xffffffff, 0xe0000000,
387 	0xf008, 0xffffffff, 0x00010000,
388 	0xf009, 0xffffffff, 0x00030002,
389 	0xf00a, 0xffffffff, 0x00040007,
390 	0xf00b, 0xffffffff, 0x00060005,
391 	0xf00c, 0xffffffff, 0x00090008,
392 	0xf00d, 0xffffffff, 0x00010000,
393 	0xf00e, 0xffffffff, 0x00030002,
394 	0xf00f, 0xffffffff, 0x00040007,
395 	0xf010, 0xffffffff, 0x00060005,
396 	0xf011, 0xffffffff, 0x00090008,
397 	0xf012, 0xffffffff, 0x00010000,
398 	0xf013, 0xffffffff, 0x00030002,
399 	0xf014, 0xffffffff, 0x00040007,
400 	0xf015, 0xffffffff, 0x00060005,
401 	0xf016, 0xffffffff, 0x00090008,
402 	0xf017, 0xffffffff, 0x00010000,
403 	0xf018, 0xffffffff, 0x00030002,
404 	0xf019, 0xffffffff, 0x00040007,
405 	0xf01a, 0xffffffff, 0x00060005,
406 	0xf01b, 0xffffffff, 0x00090008,
407 	0xf01c, 0xffffffff, 0x00010000,
408 	0xf01d, 0xffffffff, 0x00030002,
409 	0xf01e, 0xffffffff, 0x00040007,
410 	0xf01f, 0xffffffff, 0x00060005,
411 	0xf020, 0xffffffff, 0x00090008,
412 	0xf021, 0xffffffff, 0x00010000,
413 	0xf022, 0xffffffff, 0x00030002,
414 	0xf023, 0xffffffff, 0x00040007,
415 	0xf024, 0xffffffff, 0x00060005,
416 	0xf025, 0xffffffff, 0x00090008,
417 	0xf026, 0xffffffff, 0x00010000,
418 	0xf027, 0xffffffff, 0x00030002,
419 	0xf028, 0xffffffff, 0x00040007,
420 	0xf029, 0xffffffff, 0x00060005,
421 	0xf02a, 0xffffffff, 0x00090008,
422 	0xf02b, 0xffffffff, 0x00010000,
423 	0xf02c, 0xffffffff, 0x00030002,
424 	0xf02d, 0xffffffff, 0x00040007,
425 	0xf02e, 0xffffffff, 0x00060005,
426 	0xf02f, 0xffffffff, 0x00090008,
427 	0xf000, 0xffffffff, 0x96e00200,
428 	0x21c2, 0xffffffff, 0x00900100,
429 	0x3109, 0xffffffff, 0x0020003f,
430 	0xe, 0xffffffff, 0x0140001c,
431 	0xf, 0x000f0000, 0x000f0000,
432 	0x88, 0xffffffff, 0xc060000c,
433 	0x89, 0xc0000fff, 0x00000100,
434 	0x3e4, 0xffffffff, 0x00000100,
435 	0x3e6, 0x00000101, 0x00000000,
436 	0x82a, 0xffffffff, 0x00000104,
437 	0x1579, 0xff000fff, 0x00000100,
438 	0xc33, 0xc0000fff, 0x00000104,
439 	0x3079, 0x00000001, 0x00000001,
440 	0x3403, 0xff000ff0, 0x00000100,
441 	0x3603, 0xff000ff0, 0x00000100
442 };
443 
444 static const u32 kalindi_golden_spm_registers[] =
445 {
446 	0xc200, 0xe0ffffff, 0xe0000000
447 };
448 
449 static const u32 kalindi_golden_common_registers[] =
450 {
451 	0x31dc, 0xffffffff, 0x00000800,
452 	0x31dd, 0xffffffff, 0x00000800,
453 	0x31e6, 0xffffffff, 0x00007fbf,
454 	0x31e7, 0xffffffff, 0x00007faf
455 };
456 
457 static const u32 kalindi_golden_registers[] =
458 {
459 	0xf000, 0xffffdfff, 0x6e944040,
460 	0x1579, 0xff607fff, 0xfc000100,
461 	0xf088, 0xff000fff, 0x00000100,
462 	0xf089, 0xff000fff, 0x00000100,
463 	0xf080, 0xfffc0fff, 0x00000100,
464 	0x1bb6, 0x00010101, 0x00010000,
465 	0x260c, 0xffffffff, 0x00000000,
466 	0x260d, 0xf00fffff, 0x00000400,
467 	0x16ec, 0x000000f0, 0x00000070,
468 	0x16f0, 0xf0311fff, 0x80300000,
469 	0x263e, 0x73773777, 0x12010001,
470 	0x263f, 0xffffffff, 0x00000010,
471 	0x26df, 0x00ff0000, 0x00fc0000,
472 	0x200c, 0x00001f0f, 0x0000100a,
473 	0xbd2, 0x73773777, 0x12010001,
474 	0x902, 0x000fffff, 0x000c007f,
475 	0x2285, 0xf000003f, 0x00000007,
476 	0x22c9, 0x3fff3fff, 0x00ffcfff,
477 	0xc281, 0x0000ff0f, 0x00000000,
478 	0xa293, 0x07ffffff, 0x06000000,
479 	0x136, 0x00000fff, 0x00000100,
480 	0xf9e, 0x00000001, 0x00000002,
481 	0x31da, 0x00000008, 0x00000008,
482 	0x2300, 0x000000ff, 0x00000003,
483 	0x853e, 0x01ff01ff, 0x00000002,
484 	0x8526, 0x007ff800, 0x00200000,
485 	0x8057, 0xffffffff, 0x00000f40,
486 	0x2231, 0x001f3ae3, 0x00000082,
487 	0x2235, 0x0000001f, 0x00000010,
488 	0xc24d, 0xffffffff, 0x00000000
489 };
490 
491 static const u32 kalindi_mgcg_cgcg_init[] =
492 {
493 	0x3108, 0xffffffff, 0xfffffffc,
494 	0xc200, 0xffffffff, 0xe0000000,
495 	0xf0a8, 0xffffffff, 0x00000100,
496 	0xf082, 0xffffffff, 0x00000100,
497 	0xf0b0, 0xffffffff, 0x00000100,
498 	0xf0b2, 0xffffffff, 0x00000100,
499 	0xf0b1, 0xffffffff, 0x00000100,
500 	0x1579, 0xffffffff, 0x00600100,
501 	0xf0a0, 0xffffffff, 0x00000100,
502 	0xf085, 0xffffffff, 0x06000100,
503 	0xf088, 0xffffffff, 0x00000100,
504 	0xf086, 0xffffffff, 0x06000100,
505 	0xf081, 0xffffffff, 0x00000100,
506 	0xf0b8, 0xffffffff, 0x00000100,
507 	0xf089, 0xffffffff, 0x00000100,
508 	0xf080, 0xffffffff, 0x00000100,
509 	0xf08c, 0xffffffff, 0x00000100,
510 	0xf08d, 0xffffffff, 0x00000100,
511 	0xf094, 0xffffffff, 0x00000100,
512 	0xf095, 0xffffffff, 0x00000100,
513 	0xf096, 0xffffffff, 0x00000100,
514 	0xf097, 0xffffffff, 0x00000100,
515 	0xf098, 0xffffffff, 0x00000100,
516 	0xf09f, 0xffffffff, 0x00000100,
517 	0xf09e, 0xffffffff, 0x00000100,
518 	0xf084, 0xffffffff, 0x06000100,
519 	0xf0a4, 0xffffffff, 0x00000100,
520 	0xf09d, 0xffffffff, 0x00000100,
521 	0xf0ad, 0xffffffff, 0x00000100,
522 	0xf0ac, 0xffffffff, 0x00000100,
523 	0xf09c, 0xffffffff, 0x00000100,
524 	0xc200, 0xffffffff, 0xe0000000,
525 	0xf008, 0xffffffff, 0x00010000,
526 	0xf009, 0xffffffff, 0x00030002,
527 	0xf00a, 0xffffffff, 0x00040007,
528 	0xf00b, 0xffffffff, 0x00060005,
529 	0xf00c, 0xffffffff, 0x00090008,
530 	0xf00d, 0xffffffff, 0x00010000,
531 	0xf00e, 0xffffffff, 0x00030002,
532 	0xf00f, 0xffffffff, 0x00040007,
533 	0xf010, 0xffffffff, 0x00060005,
534 	0xf011, 0xffffffff, 0x00090008,
535 	0xf000, 0xffffffff, 0x96e00200,
536 	0x21c2, 0xffffffff, 0x00900100,
537 	0x3109, 0xffffffff, 0x0020003f,
538 	0xe, 0xffffffff, 0x0140001c,
539 	0xf, 0x000f0000, 0x000f0000,
540 	0x88, 0xffffffff, 0xc060000c,
541 	0x89, 0xc0000fff, 0x00000100,
542 	0x82a, 0xffffffff, 0x00000104,
543 	0x1579, 0xff000fff, 0x00000100,
544 	0xc33, 0xc0000fff, 0x00000104,
545 	0x3079, 0x00000001, 0x00000001,
546 	0x3403, 0xff000ff0, 0x00000100,
547 	0x3603, 0xff000ff0, 0x00000100
548 };
549 
550 static const u32 hawaii_golden_spm_registers[] =
551 {
552 	0xc200, 0xe0ffffff, 0xe0000000
553 };
554 
555 static const u32 hawaii_golden_common_registers[] =
556 {
557 	0xc200, 0xffffffff, 0xe0000000,
558 	0xa0d4, 0xffffffff, 0x3a00161a,
559 	0xa0d5, 0xffffffff, 0x0000002e,
560 	0x2684, 0xffffffff, 0x00018208,
561 	0x263e, 0xffffffff, 0x12011003
562 };
563 
564 static const u32 hawaii_golden_registers[] =
565 {
566 	0xcd5, 0x00000333, 0x00000333,
567 	0x2684, 0x00010000, 0x00058208,
568 	0x260c, 0xffffffff, 0x00000000,
569 	0x260d, 0xf00fffff, 0x00000400,
570 	0x260e, 0x0002021c, 0x00020200,
571 	0x31e, 0x00000080, 0x00000000,
572 	0x16ec, 0x000000f0, 0x00000070,
573 	0x16f0, 0xf0311fff, 0x80300000,
574 	0xd43, 0x00810000, 0x408af000,
575 	0x1c0c, 0x31000111, 0x00000011,
576 	0xbd2, 0x73773777, 0x12010001,
577 	0x848, 0x0000007f, 0x0000001b,
578 	0x877, 0x00007fb6, 0x00002191,
579 	0xd8a, 0x0000003f, 0x0000000a,
580 	0xd8b, 0x0000003f, 0x0000000a,
581 	0xab9, 0x00073ffe, 0x000022a2,
582 	0x903, 0x000007ff, 0x00000000,
583 	0x22fc, 0x00002001, 0x00000001,
584 	0x22c9, 0xffffffff, 0x00ffffff,
585 	0xc281, 0x0000ff0f, 0x00000000,
586 	0xa293, 0x07ffffff, 0x06000000,
587 	0xf9e, 0x00000001, 0x00000002,
588 	0x31da, 0x00000008, 0x00000008,
589 	0x31dc, 0x00000f00, 0x00000800,
590 	0x31dd, 0x00000f00, 0x00000800,
591 	0x31e6, 0x00ffffff, 0x00ff7fbf,
592 	0x31e7, 0x00ffffff, 0x00ff7faf,
593 	0x2300, 0x000000ff, 0x00000800,
594 	0x390, 0x00001fff, 0x00001fff,
595 	0x2418, 0x0000007f, 0x00000020,
596 	0x2542, 0x00010000, 0x00010000,
597 	0x2b80, 0x00100000, 0x000ff07c,
598 	0x2b05, 0x000003ff, 0x0000000f,
599 	0x2b04, 0xffffffff, 0x7564fdec,
600 	0x2b03, 0xffffffff, 0x3120b9a8,
601 	0x2b02, 0x20000000, 0x0f9c0000
602 };
603 
604 static const u32 hawaii_mgcg_cgcg_init[] =
605 {
606 	0x3108, 0xffffffff, 0xfffffffd,
607 	0xc200, 0xffffffff, 0xe0000000,
608 	0xf0a8, 0xffffffff, 0x00000100,
609 	0xf082, 0xffffffff, 0x00000100,
610 	0xf0b0, 0xffffffff, 0x00000100,
611 	0xf0b2, 0xffffffff, 0x00000100,
612 	0xf0b1, 0xffffffff, 0x00000100,
613 	0x1579, 0xffffffff, 0x00200100,
614 	0xf0a0, 0xffffffff, 0x00000100,
615 	0xf085, 0xffffffff, 0x06000100,
616 	0xf088, 0xffffffff, 0x00000100,
617 	0xf086, 0xffffffff, 0x06000100,
618 	0xf081, 0xffffffff, 0x00000100,
619 	0xf0b8, 0xffffffff, 0x00000100,
620 	0xf089, 0xffffffff, 0x00000100,
621 	0xf080, 0xffffffff, 0x00000100,
622 	0xf08c, 0xffffffff, 0x00000100,
623 	0xf08d, 0xffffffff, 0x00000100,
624 	0xf094, 0xffffffff, 0x00000100,
625 	0xf095, 0xffffffff, 0x00000100,
626 	0xf096, 0xffffffff, 0x00000100,
627 	0xf097, 0xffffffff, 0x00000100,
628 	0xf098, 0xffffffff, 0x00000100,
629 	0xf09f, 0xffffffff, 0x00000100,
630 	0xf09e, 0xffffffff, 0x00000100,
631 	0xf084, 0xffffffff, 0x06000100,
632 	0xf0a4, 0xffffffff, 0x00000100,
633 	0xf09d, 0xffffffff, 0x00000100,
634 	0xf0ad, 0xffffffff, 0x00000100,
635 	0xf0ac, 0xffffffff, 0x00000100,
636 	0xf09c, 0xffffffff, 0x00000100,
637 	0xc200, 0xffffffff, 0xe0000000,
638 	0xf008, 0xffffffff, 0x00010000,
639 	0xf009, 0xffffffff, 0x00030002,
640 	0xf00a, 0xffffffff, 0x00040007,
641 	0xf00b, 0xffffffff, 0x00060005,
642 	0xf00c, 0xffffffff, 0x00090008,
643 	0xf00d, 0xffffffff, 0x00010000,
644 	0xf00e, 0xffffffff, 0x00030002,
645 	0xf00f, 0xffffffff, 0x00040007,
646 	0xf010, 0xffffffff, 0x00060005,
647 	0xf011, 0xffffffff, 0x00090008,
648 	0xf012, 0xffffffff, 0x00010000,
649 	0xf013, 0xffffffff, 0x00030002,
650 	0xf014, 0xffffffff, 0x00040007,
651 	0xf015, 0xffffffff, 0x00060005,
652 	0xf016, 0xffffffff, 0x00090008,
653 	0xf017, 0xffffffff, 0x00010000,
654 	0xf018, 0xffffffff, 0x00030002,
655 	0xf019, 0xffffffff, 0x00040007,
656 	0xf01a, 0xffffffff, 0x00060005,
657 	0xf01b, 0xffffffff, 0x00090008,
658 	0xf01c, 0xffffffff, 0x00010000,
659 	0xf01d, 0xffffffff, 0x00030002,
660 	0xf01e, 0xffffffff, 0x00040007,
661 	0xf01f, 0xffffffff, 0x00060005,
662 	0xf020, 0xffffffff, 0x00090008,
663 	0xf021, 0xffffffff, 0x00010000,
664 	0xf022, 0xffffffff, 0x00030002,
665 	0xf023, 0xffffffff, 0x00040007,
666 	0xf024, 0xffffffff, 0x00060005,
667 	0xf025, 0xffffffff, 0x00090008,
668 	0xf026, 0xffffffff, 0x00010000,
669 	0xf027, 0xffffffff, 0x00030002,
670 	0xf028, 0xffffffff, 0x00040007,
671 	0xf029, 0xffffffff, 0x00060005,
672 	0xf02a, 0xffffffff, 0x00090008,
673 	0xf02b, 0xffffffff, 0x00010000,
674 	0xf02c, 0xffffffff, 0x00030002,
675 	0xf02d, 0xffffffff, 0x00040007,
676 	0xf02e, 0xffffffff, 0x00060005,
677 	0xf02f, 0xffffffff, 0x00090008,
678 	0xf030, 0xffffffff, 0x00010000,
679 	0xf031, 0xffffffff, 0x00030002,
680 	0xf032, 0xffffffff, 0x00040007,
681 	0xf033, 0xffffffff, 0x00060005,
682 	0xf034, 0xffffffff, 0x00090008,
683 	0xf035, 0xffffffff, 0x00010000,
684 	0xf036, 0xffffffff, 0x00030002,
685 	0xf037, 0xffffffff, 0x00040007,
686 	0xf038, 0xffffffff, 0x00060005,
687 	0xf039, 0xffffffff, 0x00090008,
688 	0xf03a, 0xffffffff, 0x00010000,
689 	0xf03b, 0xffffffff, 0x00030002,
690 	0xf03c, 0xffffffff, 0x00040007,
691 	0xf03d, 0xffffffff, 0x00060005,
692 	0xf03e, 0xffffffff, 0x00090008,
693 	0x30c6, 0xffffffff, 0x00020200,
694 	0xcd4, 0xffffffff, 0x00000200,
695 	0x570, 0xffffffff, 0x00000400,
696 	0x157a, 0xffffffff, 0x00000000,
697 	0xbd4, 0xffffffff, 0x00000902,
698 	0xf000, 0xffffffff, 0x96940200,
699 	0x21c2, 0xffffffff, 0x00900100,
700 	0x3109, 0xffffffff, 0x0020003f,
701 	0xe, 0xffffffff, 0x0140001c,
702 	0xf, 0x000f0000, 0x000f0000,
703 	0x88, 0xffffffff, 0xc060000c,
704 	0x89, 0xc0000fff, 0x00000100,
705 	0x3e4, 0xffffffff, 0x00000100,
706 	0x3e6, 0x00000101, 0x00000000,
707 	0x82a, 0xffffffff, 0x00000104,
708 	0x1579, 0xff000fff, 0x00000100,
709 	0xc33, 0xc0000fff, 0x00000104,
710 	0x3079, 0x00000001, 0x00000001,
711 	0x3403, 0xff000ff0, 0x00000100,
712 	0x3603, 0xff000ff0, 0x00000100
713 };
714 
715 static const u32 godavari_golden_registers[] =
716 {
717 	0x1579, 0xff607fff, 0xfc000100,
718 	0x1bb6, 0x00010101, 0x00010000,
719 	0x260c, 0xffffffff, 0x00000000,
720 	0x260c0, 0xf00fffff, 0x00000400,
721 	0x184c, 0xffffffff, 0x00010000,
722 	0x16ec, 0x000000f0, 0x00000070,
723 	0x16f0, 0xf0311fff, 0x80300000,
724 	0x263e, 0x73773777, 0x12010001,
725 	0x263f, 0xffffffff, 0x00000010,
726 	0x200c, 0x00001f0f, 0x0000100a,
727 	0xbd2, 0x73773777, 0x12010001,
728 	0x902, 0x000fffff, 0x000c007f,
729 	0x2285, 0xf000003f, 0x00000007,
730 	0x22c9, 0xffffffff, 0x00ff0fff,
731 	0xc281, 0x0000ff0f, 0x00000000,
732 	0xa293, 0x07ffffff, 0x06000000,
733 	0x136, 0x00000fff, 0x00000100,
734 	0x3405, 0x00010000, 0x00810001,
735 	0x3605, 0x00010000, 0x00810001,
736 	0xf9e, 0x00000001, 0x00000002,
737 	0x31da, 0x00000008, 0x00000008,
738 	0x31dc, 0x00000f00, 0x00000800,
739 	0x31dd, 0x00000f00, 0x00000800,
740 	0x31e6, 0x00ffffff, 0x00ff7fbf,
741 	0x31e7, 0x00ffffff, 0x00ff7faf,
742 	0x2300, 0x000000ff, 0x00000001,
743 	0x853e, 0x01ff01ff, 0x00000002,
744 	0x8526, 0x007ff800, 0x00200000,
745 	0x8057, 0xffffffff, 0x00000f40,
746 	0x2231, 0x001f3ae3, 0x00000082,
747 	0x2235, 0x0000001f, 0x00000010,
748 	0xc24d, 0xffffffff, 0x00000000
749 };
750 
751 static void cik_init_golden_registers(struct amdgpu_device *adev)
752 {
753 	/* Some of the registers might be dependent on GRBM_GFX_INDEX */
754 	mutex_lock(&adev->grbm_idx_mutex);
755 
756 	switch (adev->asic_type) {
757 	case CHIP_BONAIRE:
758 		amdgpu_device_program_register_sequence(adev,
759 							bonaire_mgcg_cgcg_init,
760 							ARRAY_SIZE(bonaire_mgcg_cgcg_init));
761 		amdgpu_device_program_register_sequence(adev,
762 							bonaire_golden_registers,
763 							ARRAY_SIZE(bonaire_golden_registers));
764 		amdgpu_device_program_register_sequence(adev,
765 							bonaire_golden_common_registers,
766 							ARRAY_SIZE(bonaire_golden_common_registers));
767 		amdgpu_device_program_register_sequence(adev,
768 							bonaire_golden_spm_registers,
769 							ARRAY_SIZE(bonaire_golden_spm_registers));
770 		break;
771 	case CHIP_KABINI:
772 		amdgpu_device_program_register_sequence(adev,
773 							kalindi_mgcg_cgcg_init,
774 							ARRAY_SIZE(kalindi_mgcg_cgcg_init));
775 		amdgpu_device_program_register_sequence(adev,
776 							kalindi_golden_registers,
777 							ARRAY_SIZE(kalindi_golden_registers));
778 		amdgpu_device_program_register_sequence(adev,
779 							kalindi_golden_common_registers,
780 							ARRAY_SIZE(kalindi_golden_common_registers));
781 		amdgpu_device_program_register_sequence(adev,
782 							kalindi_golden_spm_registers,
783 							ARRAY_SIZE(kalindi_golden_spm_registers));
784 		break;
785 	case CHIP_MULLINS:
786 		amdgpu_device_program_register_sequence(adev,
787 							kalindi_mgcg_cgcg_init,
788 							ARRAY_SIZE(kalindi_mgcg_cgcg_init));
789 		amdgpu_device_program_register_sequence(adev,
790 							godavari_golden_registers,
791 							ARRAY_SIZE(godavari_golden_registers));
792 		amdgpu_device_program_register_sequence(adev,
793 							kalindi_golden_common_registers,
794 							ARRAY_SIZE(kalindi_golden_common_registers));
795 		amdgpu_device_program_register_sequence(adev,
796 							kalindi_golden_spm_registers,
797 							ARRAY_SIZE(kalindi_golden_spm_registers));
798 		break;
799 	case CHIP_KAVERI:
800 		amdgpu_device_program_register_sequence(adev,
801 							spectre_mgcg_cgcg_init,
802 							ARRAY_SIZE(spectre_mgcg_cgcg_init));
803 		amdgpu_device_program_register_sequence(adev,
804 							spectre_golden_registers,
805 							ARRAY_SIZE(spectre_golden_registers));
806 		amdgpu_device_program_register_sequence(adev,
807 							spectre_golden_common_registers,
808 							ARRAY_SIZE(spectre_golden_common_registers));
809 		amdgpu_device_program_register_sequence(adev,
810 							spectre_golden_spm_registers,
811 							ARRAY_SIZE(spectre_golden_spm_registers));
812 		break;
813 	case CHIP_HAWAII:
814 		amdgpu_device_program_register_sequence(adev,
815 							hawaii_mgcg_cgcg_init,
816 							ARRAY_SIZE(hawaii_mgcg_cgcg_init));
817 		amdgpu_device_program_register_sequence(adev,
818 							hawaii_golden_registers,
819 							ARRAY_SIZE(hawaii_golden_registers));
820 		amdgpu_device_program_register_sequence(adev,
821 							hawaii_golden_common_registers,
822 							ARRAY_SIZE(hawaii_golden_common_registers));
823 		amdgpu_device_program_register_sequence(adev,
824 							hawaii_golden_spm_registers,
825 							ARRAY_SIZE(hawaii_golden_spm_registers));
826 		break;
827 	default:
828 		break;
829 	}
830 	mutex_unlock(&adev->grbm_idx_mutex);
831 }
832 
833 /**
834  * cik_get_xclk - get the xclk
835  *
836  * @adev: amdgpu_device pointer
837  *
838  * Returns the reference clock used by the gfx engine
839  * (CIK).
840  */
841 static u32 cik_get_xclk(struct amdgpu_device *adev)
842 {
843 	u32 reference_clock = adev->clock.spll.reference_freq;
844 
845 	if (adev->flags & AMD_IS_APU) {
846 		if (RREG32_SMC(ixGENERAL_PWRMGT) & GENERAL_PWRMGT__GPU_COUNTER_CLK_MASK)
847 			return reference_clock / 2;
848 	} else {
849 		if (RREG32_SMC(ixCG_CLKPIN_CNTL) & CG_CLKPIN_CNTL__XTALIN_DIVIDE_MASK)
850 			return reference_clock / 4;
851 	}
852 	return reference_clock;
853 }
854 
855 /**
856  * cik_srbm_select - select specific register instances
857  *
858  * @adev: amdgpu_device pointer
859  * @me: selected ME (micro engine)
860  * @pipe: pipe
861  * @queue: queue
862  * @vmid: VMID
863  *
864  * Switches the currently active registers instances.  Some
865  * registers are instanced per VMID, others are instanced per
866  * me/pipe/queue combination.
867  */
868 void cik_srbm_select(struct amdgpu_device *adev,
869 		     u32 me, u32 pipe, u32 queue, u32 vmid)
870 {
871 	u32 srbm_gfx_cntl =
872 		(((pipe << SRBM_GFX_CNTL__PIPEID__SHIFT) & SRBM_GFX_CNTL__PIPEID_MASK)|
873 		((me << SRBM_GFX_CNTL__MEID__SHIFT) & SRBM_GFX_CNTL__MEID_MASK)|
874 		((vmid << SRBM_GFX_CNTL__VMID__SHIFT) & SRBM_GFX_CNTL__VMID_MASK)|
875 		((queue << SRBM_GFX_CNTL__QUEUEID__SHIFT) & SRBM_GFX_CNTL__QUEUEID_MASK));
876 	WREG32(mmSRBM_GFX_CNTL, srbm_gfx_cntl);
877 }
878 
879 static void cik_vga_set_state(struct amdgpu_device *adev, bool state)
880 {
881 	uint32_t tmp;
882 
883 	tmp = RREG32(mmCONFIG_CNTL);
884 	if (!state)
885 		tmp |= CONFIG_CNTL__VGA_DIS_MASK;
886 	else
887 		tmp &= ~CONFIG_CNTL__VGA_DIS_MASK;
888 	WREG32(mmCONFIG_CNTL, tmp);
889 }
890 
891 static bool cik_read_disabled_bios(struct amdgpu_device *adev)
892 {
893 	u32 bus_cntl;
894 	u32 d1vga_control = 0;
895 	u32 d2vga_control = 0;
896 	u32 vga_render_control = 0;
897 	u32 rom_cntl;
898 	bool r;
899 
900 	bus_cntl = RREG32(mmBUS_CNTL);
901 	if (adev->mode_info.num_crtc) {
902 		d1vga_control = RREG32(mmD1VGA_CONTROL);
903 		d2vga_control = RREG32(mmD2VGA_CONTROL);
904 		vga_render_control = RREG32(mmVGA_RENDER_CONTROL);
905 	}
906 	rom_cntl = RREG32_SMC(ixROM_CNTL);
907 
908 	/* enable the rom */
909 	WREG32(mmBUS_CNTL, (bus_cntl & ~BUS_CNTL__BIOS_ROM_DIS_MASK));
910 	if (adev->mode_info.num_crtc) {
911 		/* Disable VGA mode */
912 		WREG32(mmD1VGA_CONTROL,
913 		       (d1vga_control & ~(D1VGA_CONTROL__D1VGA_MODE_ENABLE_MASK |
914 					  D1VGA_CONTROL__D1VGA_TIMING_SELECT_MASK)));
915 		WREG32(mmD2VGA_CONTROL,
916 		       (d2vga_control & ~(D1VGA_CONTROL__D1VGA_MODE_ENABLE_MASK |
917 					  D1VGA_CONTROL__D1VGA_TIMING_SELECT_MASK)));
918 		WREG32(mmVGA_RENDER_CONTROL,
919 		       (vga_render_control & ~VGA_RENDER_CONTROL__VGA_VSTATUS_CNTL_MASK));
920 	}
921 	WREG32_SMC(ixROM_CNTL, rom_cntl | ROM_CNTL__SCK_OVERWRITE_MASK);
922 
923 	r = amdgpu_read_bios(adev);
924 
925 	/* restore regs */
926 	WREG32(mmBUS_CNTL, bus_cntl);
927 	if (adev->mode_info.num_crtc) {
928 		WREG32(mmD1VGA_CONTROL, d1vga_control);
929 		WREG32(mmD2VGA_CONTROL, d2vga_control);
930 		WREG32(mmVGA_RENDER_CONTROL, vga_render_control);
931 	}
932 	WREG32_SMC(ixROM_CNTL, rom_cntl);
933 	return r;
934 }
935 
936 static bool cik_read_bios_from_rom(struct amdgpu_device *adev,
937 				   u8 *bios, u32 length_bytes)
938 {
939 	u32 *dw_ptr;
940 	unsigned long flags;
941 	u32 i, length_dw;
942 
943 	if (bios == NULL)
944 		return false;
945 	if (length_bytes == 0)
946 		return false;
947 	/* APU vbios image is part of sbios image */
948 	if (adev->flags & AMD_IS_APU)
949 		return false;
950 
951 	dw_ptr = (u32 *)bios;
952 	length_dw = ALIGN(length_bytes, 4) / 4;
953 	/* take the smc lock since we are using the smc index */
954 	spin_lock_irqsave(&adev->smc_idx_lock, flags);
955 	/* set rom index to 0 */
956 	WREG32(mmSMC_IND_INDEX_0, ixROM_INDEX);
957 	WREG32(mmSMC_IND_DATA_0, 0);
958 	/* set index to data for continous read */
959 	WREG32(mmSMC_IND_INDEX_0, ixROM_DATA);
960 	for (i = 0; i < length_dw; i++)
961 		dw_ptr[i] = RREG32(mmSMC_IND_DATA_0);
962 	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
963 
964 	return true;
965 }
966 
967 static const struct amdgpu_allowed_register_entry cik_allowed_read_registers[] = {
968 	{mmGRBM_STATUS},
969 	{mmGRBM_STATUS2},
970 	{mmGRBM_STATUS_SE0},
971 	{mmGRBM_STATUS_SE1},
972 	{mmGRBM_STATUS_SE2},
973 	{mmGRBM_STATUS_SE3},
974 	{mmSRBM_STATUS},
975 	{mmSRBM_STATUS2},
976 	{mmSDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET},
977 	{mmSDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET},
978 	{mmCP_STAT},
979 	{mmCP_STALLED_STAT1},
980 	{mmCP_STALLED_STAT2},
981 	{mmCP_STALLED_STAT3},
982 	{mmCP_CPF_BUSY_STAT},
983 	{mmCP_CPF_STALLED_STAT1},
984 	{mmCP_CPF_STATUS},
985 	{mmCP_CPC_BUSY_STAT},
986 	{mmCP_CPC_STALLED_STAT1},
987 	{mmCP_CPC_STATUS},
988 	{mmGB_ADDR_CONFIG},
989 	{mmMC_ARB_RAMCFG},
990 	{mmGB_TILE_MODE0},
991 	{mmGB_TILE_MODE1},
992 	{mmGB_TILE_MODE2},
993 	{mmGB_TILE_MODE3},
994 	{mmGB_TILE_MODE4},
995 	{mmGB_TILE_MODE5},
996 	{mmGB_TILE_MODE6},
997 	{mmGB_TILE_MODE7},
998 	{mmGB_TILE_MODE8},
999 	{mmGB_TILE_MODE9},
1000 	{mmGB_TILE_MODE10},
1001 	{mmGB_TILE_MODE11},
1002 	{mmGB_TILE_MODE12},
1003 	{mmGB_TILE_MODE13},
1004 	{mmGB_TILE_MODE14},
1005 	{mmGB_TILE_MODE15},
1006 	{mmGB_TILE_MODE16},
1007 	{mmGB_TILE_MODE17},
1008 	{mmGB_TILE_MODE18},
1009 	{mmGB_TILE_MODE19},
1010 	{mmGB_TILE_MODE20},
1011 	{mmGB_TILE_MODE21},
1012 	{mmGB_TILE_MODE22},
1013 	{mmGB_TILE_MODE23},
1014 	{mmGB_TILE_MODE24},
1015 	{mmGB_TILE_MODE25},
1016 	{mmGB_TILE_MODE26},
1017 	{mmGB_TILE_MODE27},
1018 	{mmGB_TILE_MODE28},
1019 	{mmGB_TILE_MODE29},
1020 	{mmGB_TILE_MODE30},
1021 	{mmGB_TILE_MODE31},
1022 	{mmGB_MACROTILE_MODE0},
1023 	{mmGB_MACROTILE_MODE1},
1024 	{mmGB_MACROTILE_MODE2},
1025 	{mmGB_MACROTILE_MODE3},
1026 	{mmGB_MACROTILE_MODE4},
1027 	{mmGB_MACROTILE_MODE5},
1028 	{mmGB_MACROTILE_MODE6},
1029 	{mmGB_MACROTILE_MODE7},
1030 	{mmGB_MACROTILE_MODE8},
1031 	{mmGB_MACROTILE_MODE9},
1032 	{mmGB_MACROTILE_MODE10},
1033 	{mmGB_MACROTILE_MODE11},
1034 	{mmGB_MACROTILE_MODE12},
1035 	{mmGB_MACROTILE_MODE13},
1036 	{mmGB_MACROTILE_MODE14},
1037 	{mmGB_MACROTILE_MODE15},
1038 	{mmCC_RB_BACKEND_DISABLE, true},
1039 	{mmGC_USER_RB_BACKEND_DISABLE, true},
1040 	{mmGB_BACKEND_MAP, false},
1041 	{mmPA_SC_RASTER_CONFIG, true},
1042 	{mmPA_SC_RASTER_CONFIG_1, true},
1043 };
1044 
1045 
1046 static uint32_t cik_get_register_value(struct amdgpu_device *adev,
1047 				       bool indexed, u32 se_num,
1048 				       u32 sh_num, u32 reg_offset)
1049 {
1050 	if (indexed) {
1051 		uint32_t val;
1052 		unsigned se_idx = (se_num == 0xffffffff) ? 0 : se_num;
1053 		unsigned sh_idx = (sh_num == 0xffffffff) ? 0 : sh_num;
1054 
1055 		switch (reg_offset) {
1056 		case mmCC_RB_BACKEND_DISABLE:
1057 			return adev->gfx.config.rb_config[se_idx][sh_idx].rb_backend_disable;
1058 		case mmGC_USER_RB_BACKEND_DISABLE:
1059 			return adev->gfx.config.rb_config[se_idx][sh_idx].user_rb_backend_disable;
1060 		case mmPA_SC_RASTER_CONFIG:
1061 			return adev->gfx.config.rb_config[se_idx][sh_idx].raster_config;
1062 		case mmPA_SC_RASTER_CONFIG_1:
1063 			return adev->gfx.config.rb_config[se_idx][sh_idx].raster_config_1;
1064 		}
1065 
1066 		mutex_lock(&adev->grbm_idx_mutex);
1067 		if (se_num != 0xffffffff || sh_num != 0xffffffff)
1068 			amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff);
1069 
1070 		val = RREG32(reg_offset);
1071 
1072 		if (se_num != 0xffffffff || sh_num != 0xffffffff)
1073 			amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
1074 		mutex_unlock(&adev->grbm_idx_mutex);
1075 		return val;
1076 	} else {
1077 		unsigned idx;
1078 
1079 		switch (reg_offset) {
1080 		case mmGB_ADDR_CONFIG:
1081 			return adev->gfx.config.gb_addr_config;
1082 		case mmMC_ARB_RAMCFG:
1083 			return adev->gfx.config.mc_arb_ramcfg;
1084 		case mmGB_TILE_MODE0:
1085 		case mmGB_TILE_MODE1:
1086 		case mmGB_TILE_MODE2:
1087 		case mmGB_TILE_MODE3:
1088 		case mmGB_TILE_MODE4:
1089 		case mmGB_TILE_MODE5:
1090 		case mmGB_TILE_MODE6:
1091 		case mmGB_TILE_MODE7:
1092 		case mmGB_TILE_MODE8:
1093 		case mmGB_TILE_MODE9:
1094 		case mmGB_TILE_MODE10:
1095 		case mmGB_TILE_MODE11:
1096 		case mmGB_TILE_MODE12:
1097 		case mmGB_TILE_MODE13:
1098 		case mmGB_TILE_MODE14:
1099 		case mmGB_TILE_MODE15:
1100 		case mmGB_TILE_MODE16:
1101 		case mmGB_TILE_MODE17:
1102 		case mmGB_TILE_MODE18:
1103 		case mmGB_TILE_MODE19:
1104 		case mmGB_TILE_MODE20:
1105 		case mmGB_TILE_MODE21:
1106 		case mmGB_TILE_MODE22:
1107 		case mmGB_TILE_MODE23:
1108 		case mmGB_TILE_MODE24:
1109 		case mmGB_TILE_MODE25:
1110 		case mmGB_TILE_MODE26:
1111 		case mmGB_TILE_MODE27:
1112 		case mmGB_TILE_MODE28:
1113 		case mmGB_TILE_MODE29:
1114 		case mmGB_TILE_MODE30:
1115 		case mmGB_TILE_MODE31:
1116 			idx = (reg_offset - mmGB_TILE_MODE0);
1117 			return adev->gfx.config.tile_mode_array[idx];
1118 		case mmGB_MACROTILE_MODE0:
1119 		case mmGB_MACROTILE_MODE1:
1120 		case mmGB_MACROTILE_MODE2:
1121 		case mmGB_MACROTILE_MODE3:
1122 		case mmGB_MACROTILE_MODE4:
1123 		case mmGB_MACROTILE_MODE5:
1124 		case mmGB_MACROTILE_MODE6:
1125 		case mmGB_MACROTILE_MODE7:
1126 		case mmGB_MACROTILE_MODE8:
1127 		case mmGB_MACROTILE_MODE9:
1128 		case mmGB_MACROTILE_MODE10:
1129 		case mmGB_MACROTILE_MODE11:
1130 		case mmGB_MACROTILE_MODE12:
1131 		case mmGB_MACROTILE_MODE13:
1132 		case mmGB_MACROTILE_MODE14:
1133 		case mmGB_MACROTILE_MODE15:
1134 			idx = (reg_offset - mmGB_MACROTILE_MODE0);
1135 			return adev->gfx.config.macrotile_mode_array[idx];
1136 		default:
1137 			return RREG32(reg_offset);
1138 		}
1139 	}
1140 }
1141 
1142 static int cik_read_register(struct amdgpu_device *adev, u32 se_num,
1143 			     u32 sh_num, u32 reg_offset, u32 *value)
1144 {
1145 	uint32_t i;
1146 
1147 	*value = 0;
1148 	for (i = 0; i < ARRAY_SIZE(cik_allowed_read_registers); i++) {
1149 		bool indexed = cik_allowed_read_registers[i].grbm_indexed;
1150 
1151 		if (reg_offset != cik_allowed_read_registers[i].reg_offset)
1152 			continue;
1153 
1154 		*value = cik_get_register_value(adev, indexed, se_num, sh_num,
1155 						reg_offset);
1156 		return 0;
1157 	}
1158 	return -EINVAL;
1159 }
1160 
1161 struct kv_reset_save_regs {
1162 	u32 gmcon_reng_execute;
1163 	u32 gmcon_misc;
1164 	u32 gmcon_misc3;
1165 };
1166 
1167 static void kv_save_regs_for_reset(struct amdgpu_device *adev,
1168 				   struct kv_reset_save_regs *save)
1169 {
1170 	save->gmcon_reng_execute = RREG32(mmGMCON_RENG_EXECUTE);
1171 	save->gmcon_misc = RREG32(mmGMCON_MISC);
1172 	save->gmcon_misc3 = RREG32(mmGMCON_MISC3);
1173 
1174 	WREG32(mmGMCON_RENG_EXECUTE, save->gmcon_reng_execute &
1175 		~GMCON_RENG_EXECUTE__RENG_EXECUTE_ON_PWR_UP_MASK);
1176 	WREG32(mmGMCON_MISC, save->gmcon_misc &
1177 		~(GMCON_MISC__RENG_EXECUTE_ON_REG_UPDATE_MASK |
1178 			GMCON_MISC__STCTRL_STUTTER_EN_MASK));
1179 }
1180 
1181 static void kv_restore_regs_for_reset(struct amdgpu_device *adev,
1182 				      struct kv_reset_save_regs *save)
1183 {
1184 	int i;
1185 
1186 	WREG32(mmGMCON_PGFSM_WRITE, 0);
1187 	WREG32(mmGMCON_PGFSM_CONFIG, 0x200010ff);
1188 
1189 	for (i = 0; i < 5; i++)
1190 		WREG32(mmGMCON_PGFSM_WRITE, 0);
1191 
1192 	WREG32(mmGMCON_PGFSM_WRITE, 0);
1193 	WREG32(mmGMCON_PGFSM_CONFIG, 0x300010ff);
1194 
1195 	for (i = 0; i < 5; i++)
1196 		WREG32(mmGMCON_PGFSM_WRITE, 0);
1197 
1198 	WREG32(mmGMCON_PGFSM_WRITE, 0x210000);
1199 	WREG32(mmGMCON_PGFSM_CONFIG, 0xa00010ff);
1200 
1201 	for (i = 0; i < 5; i++)
1202 		WREG32(mmGMCON_PGFSM_WRITE, 0);
1203 
1204 	WREG32(mmGMCON_PGFSM_WRITE, 0x21003);
1205 	WREG32(mmGMCON_PGFSM_CONFIG, 0xb00010ff);
1206 
1207 	for (i = 0; i < 5; i++)
1208 		WREG32(mmGMCON_PGFSM_WRITE, 0);
1209 
1210 	WREG32(mmGMCON_PGFSM_WRITE, 0x2b00);
1211 	WREG32(mmGMCON_PGFSM_CONFIG, 0xc00010ff);
1212 
1213 	for (i = 0; i < 5; i++)
1214 		WREG32(mmGMCON_PGFSM_WRITE, 0);
1215 
1216 	WREG32(mmGMCON_PGFSM_WRITE, 0);
1217 	WREG32(mmGMCON_PGFSM_CONFIG, 0xd00010ff);
1218 
1219 	for (i = 0; i < 5; i++)
1220 		WREG32(mmGMCON_PGFSM_WRITE, 0);
1221 
1222 	WREG32(mmGMCON_PGFSM_WRITE, 0x420000);
1223 	WREG32(mmGMCON_PGFSM_CONFIG, 0x100010ff);
1224 
1225 	for (i = 0; i < 5; i++)
1226 		WREG32(mmGMCON_PGFSM_WRITE, 0);
1227 
1228 	WREG32(mmGMCON_PGFSM_WRITE, 0x120202);
1229 	WREG32(mmGMCON_PGFSM_CONFIG, 0x500010ff);
1230 
1231 	for (i = 0; i < 5; i++)
1232 		WREG32(mmGMCON_PGFSM_WRITE, 0);
1233 
1234 	WREG32(mmGMCON_PGFSM_WRITE, 0x3e3e36);
1235 	WREG32(mmGMCON_PGFSM_CONFIG, 0x600010ff);
1236 
1237 	for (i = 0; i < 5; i++)
1238 		WREG32(mmGMCON_PGFSM_WRITE, 0);
1239 
1240 	WREG32(mmGMCON_PGFSM_WRITE, 0x373f3e);
1241 	WREG32(mmGMCON_PGFSM_CONFIG, 0x700010ff);
1242 
1243 	for (i = 0; i < 5; i++)
1244 		WREG32(mmGMCON_PGFSM_WRITE, 0);
1245 
1246 	WREG32(mmGMCON_PGFSM_WRITE, 0x3e1332);
1247 	WREG32(mmGMCON_PGFSM_CONFIG, 0xe00010ff);
1248 
1249 	WREG32(mmGMCON_MISC3, save->gmcon_misc3);
1250 	WREG32(mmGMCON_MISC, save->gmcon_misc);
1251 	WREG32(mmGMCON_RENG_EXECUTE, save->gmcon_reng_execute);
1252 }
1253 
1254 static int cik_gpu_pci_config_reset(struct amdgpu_device *adev)
1255 {
1256 	struct kv_reset_save_regs kv_save = { 0 };
1257 	u32 i;
1258 	int r = -EINVAL;
1259 
1260 	dev_info(adev->dev, "GPU pci config reset\n");
1261 
1262 	if (adev->flags & AMD_IS_APU)
1263 		kv_save_regs_for_reset(adev, &kv_save);
1264 
1265 	/* disable BM */
1266 	pci_clear_master(adev->pdev);
1267 	/* reset */
1268 	amdgpu_device_pci_config_reset(adev);
1269 
1270 	udelay(100);
1271 
1272 	/* wait for asic to come out of reset */
1273 	for (i = 0; i < adev->usec_timeout; i++) {
1274 		if (RREG32(mmCONFIG_MEMSIZE) != 0xffffffff) {
1275 			/* enable BM */
1276 			pci_set_master(adev->pdev);
1277 			adev->has_hw_reset = true;
1278 			r = 0;
1279 			break;
1280 		}
1281 		udelay(1);
1282 	}
1283 
1284 	/* does asic init need to be run first??? */
1285 	if (adev->flags & AMD_IS_APU)
1286 		kv_restore_regs_for_reset(adev, &kv_save);
1287 
1288 	return r;
1289 }
1290 
1291 /**
1292  * cik_asic_pci_config_reset - soft reset GPU
1293  *
1294  * @adev: amdgpu_device pointer
1295  *
1296  * Use PCI Config method to reset the GPU.
1297  *
1298  * Returns 0 for success.
1299  */
1300 static int cik_asic_pci_config_reset(struct amdgpu_device *adev)
1301 {
1302 	int r;
1303 
1304 	amdgpu_atombios_scratch_regs_engine_hung(adev, true);
1305 
1306 	r = cik_gpu_pci_config_reset(adev);
1307 
1308 	amdgpu_atombios_scratch_regs_engine_hung(adev, false);
1309 
1310 	return r;
1311 }
1312 
1313 static bool cik_asic_supports_baco(struct amdgpu_device *adev)
1314 {
1315 	switch (adev->asic_type) {
1316 	case CHIP_BONAIRE:
1317 	case CHIP_HAWAII:
1318 		return amdgpu_dpm_is_baco_supported(adev);
1319 	default:
1320 		return false;
1321 	}
1322 }
1323 
1324 static enum amd_reset_method
1325 cik_asic_reset_method(struct amdgpu_device *adev)
1326 {
1327 	bool baco_reset;
1328 
1329 	if (amdgpu_reset_method == AMD_RESET_METHOD_LEGACY ||
1330 	    amdgpu_reset_method == AMD_RESET_METHOD_BACO)
1331 		return amdgpu_reset_method;
1332 
1333 	if (amdgpu_reset_method != -1)
1334 		dev_warn(adev->dev, "Specified reset:%d isn't supported, using AUTO instead.\n",
1335 				  amdgpu_reset_method);
1336 
1337 	switch (adev->asic_type) {
1338 	case CHIP_BONAIRE:
1339 	case CHIP_HAWAII:
1340 		baco_reset = cik_asic_supports_baco(adev);
1341 		break;
1342 	default:
1343 		baco_reset = false;
1344 		break;
1345 	}
1346 
1347 	if (baco_reset)
1348 		return AMD_RESET_METHOD_BACO;
1349 	else
1350 		return AMD_RESET_METHOD_LEGACY;
1351 }
1352 
1353 /**
1354  * cik_asic_reset - soft reset GPU
1355  *
1356  * @adev: amdgpu_device pointer
1357  *
1358  * Look up which blocks are hung and attempt
1359  * to reset them.
1360  * Returns 0 for success.
1361  */
1362 static int cik_asic_reset(struct amdgpu_device *adev)
1363 {
1364 	int r;
1365 
1366 	if (cik_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) {
1367 		dev_info(adev->dev, "BACO reset\n");
1368 		r = amdgpu_dpm_baco_reset(adev);
1369 	} else {
1370 		dev_info(adev->dev, "PCI CONFIG reset\n");
1371 		r = cik_asic_pci_config_reset(adev);
1372 	}
1373 
1374 	return r;
1375 }
1376 
1377 static u32 cik_get_config_memsize(struct amdgpu_device *adev)
1378 {
1379 	return RREG32(mmCONFIG_MEMSIZE);
1380 }
1381 
1382 static int cik_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
1383 			      u32 cntl_reg, u32 status_reg)
1384 {
1385 	int r, i;
1386 	struct atom_clock_dividers dividers;
1387 	uint32_t tmp;
1388 
1389 	r = amdgpu_atombios_get_clock_dividers(adev,
1390 					       COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
1391 					       clock, false, &dividers);
1392 	if (r)
1393 		return r;
1394 
1395 	tmp = RREG32_SMC(cntl_reg);
1396 	tmp &= ~(CG_DCLK_CNTL__DCLK_DIR_CNTL_EN_MASK |
1397 		CG_DCLK_CNTL__DCLK_DIVIDER_MASK);
1398 	tmp |= dividers.post_divider;
1399 	WREG32_SMC(cntl_reg, tmp);
1400 
1401 	for (i = 0; i < 100; i++) {
1402 		if (RREG32_SMC(status_reg) & CG_DCLK_STATUS__DCLK_STATUS_MASK)
1403 			break;
1404 		mdelay(10);
1405 	}
1406 	if (i == 100)
1407 		return -ETIMEDOUT;
1408 
1409 	return 0;
1410 }
1411 
1412 static int cik_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
1413 {
1414 	int r = 0;
1415 
1416 	r = cik_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS);
1417 	if (r)
1418 		return r;
1419 
1420 	r = cik_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS);
1421 	return r;
1422 }
1423 
1424 static int cik_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
1425 {
1426 	int r, i;
1427 	struct atom_clock_dividers dividers;
1428 	u32 tmp;
1429 
1430 	r = amdgpu_atombios_get_clock_dividers(adev,
1431 					       COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
1432 					       ecclk, false, &dividers);
1433 	if (r)
1434 		return r;
1435 
1436 	for (i = 0; i < 100; i++) {
1437 		if (RREG32_SMC(ixCG_ECLK_STATUS) & CG_ECLK_STATUS__ECLK_STATUS_MASK)
1438 			break;
1439 		mdelay(10);
1440 	}
1441 	if (i == 100)
1442 		return -ETIMEDOUT;
1443 
1444 	tmp = RREG32_SMC(ixCG_ECLK_CNTL);
1445 	tmp &= ~(CG_ECLK_CNTL__ECLK_DIR_CNTL_EN_MASK |
1446 		CG_ECLK_CNTL__ECLK_DIVIDER_MASK);
1447 	tmp |= dividers.post_divider;
1448 	WREG32_SMC(ixCG_ECLK_CNTL, tmp);
1449 
1450 	for (i = 0; i < 100; i++) {
1451 		if (RREG32_SMC(ixCG_ECLK_STATUS) & CG_ECLK_STATUS__ECLK_STATUS_MASK)
1452 			break;
1453 		mdelay(10);
1454 	}
1455 	if (i == 100)
1456 		return -ETIMEDOUT;
1457 
1458 	return 0;
1459 }
1460 
1461 static void cik_pcie_gen3_enable(struct amdgpu_device *adev)
1462 {
1463 	struct pci_dev *root = adev->pdev->bus->self;
1464 	u32 speed_cntl, current_data_rate;
1465 	int i;
1466 	u16 tmp16;
1467 
1468 	if (pci_is_root_bus(adev->pdev->bus))
1469 		return;
1470 
1471 	if (amdgpu_pcie_gen2 == 0)
1472 		return;
1473 
1474 	if (adev->flags & AMD_IS_APU)
1475 		return;
1476 
1477 	if (!(adev->pm.pcie_gen_mask & (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
1478 					CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)))
1479 		return;
1480 
1481 	speed_cntl = RREG32_PCIE(ixPCIE_LC_SPEED_CNTL);
1482 	current_data_rate = (speed_cntl & PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE_MASK) >>
1483 		PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE__SHIFT;
1484 	if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) {
1485 		if (current_data_rate == 2) {
1486 			DRM_INFO("PCIE gen 3 link speeds already enabled\n");
1487 			return;
1488 		}
1489 		DRM_INFO("enabling PCIE gen 3 link speeds, disable with amdgpu.pcie_gen2=0\n");
1490 	} else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2) {
1491 		if (current_data_rate == 1) {
1492 			DRM_INFO("PCIE gen 2 link speeds already enabled\n");
1493 			return;
1494 		}
1495 		DRM_INFO("enabling PCIE gen 2 link speeds, disable with amdgpu.pcie_gen2=0\n");
1496 	}
1497 
1498 	if (!pci_is_pcie(root) || !pci_is_pcie(adev->pdev))
1499 		return;
1500 
1501 	if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) {
1502 		/* re-try equalization if gen3 is not already enabled */
1503 		if (current_data_rate != 2) {
1504 			u16 bridge_cfg, gpu_cfg;
1505 			u16 bridge_cfg2, gpu_cfg2;
1506 			u32 max_lw, current_lw, tmp;
1507 
1508 			pcie_capability_read_word(root, PCI_EXP_LNKCTL,
1509 						  &bridge_cfg);
1510 			pcie_capability_read_word(adev->pdev, PCI_EXP_LNKCTL,
1511 						  &gpu_cfg);
1512 
1513 			tmp16 = bridge_cfg | PCI_EXP_LNKCTL_HAWD;
1514 			pcie_capability_write_word(root, PCI_EXP_LNKCTL, tmp16);
1515 
1516 			tmp16 = gpu_cfg | PCI_EXP_LNKCTL_HAWD;
1517 			pcie_capability_write_word(adev->pdev, PCI_EXP_LNKCTL,
1518 						   tmp16);
1519 
1520 			tmp = RREG32_PCIE(ixPCIE_LC_STATUS1);
1521 			max_lw = (tmp & PCIE_LC_STATUS1__LC_DETECTED_LINK_WIDTH_MASK) >>
1522 				PCIE_LC_STATUS1__LC_DETECTED_LINK_WIDTH__SHIFT;
1523 			current_lw = (tmp & PCIE_LC_STATUS1__LC_OPERATING_LINK_WIDTH_MASK)
1524 				>> PCIE_LC_STATUS1__LC_OPERATING_LINK_WIDTH__SHIFT;
1525 
1526 			if (current_lw < max_lw) {
1527 				tmp = RREG32_PCIE(ixPCIE_LC_LINK_WIDTH_CNTL);
1528 				if (tmp & PCIE_LC_LINK_WIDTH_CNTL__LC_RENEGOTIATION_SUPPORT_MASK) {
1529 					tmp &= ~(PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH_MASK |
1530 						PCIE_LC_LINK_WIDTH_CNTL__LC_UPCONFIGURE_DIS_MASK);
1531 					tmp |= (max_lw <<
1532 						PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH__SHIFT);
1533 					tmp |= PCIE_LC_LINK_WIDTH_CNTL__LC_UPCONFIGURE_SUPPORT_MASK |
1534 					PCIE_LC_LINK_WIDTH_CNTL__LC_RENEGOTIATE_EN_MASK |
1535 					PCIE_LC_LINK_WIDTH_CNTL__LC_RECONFIG_NOW_MASK;
1536 					WREG32_PCIE(ixPCIE_LC_LINK_WIDTH_CNTL, tmp);
1537 				}
1538 			}
1539 
1540 			for (i = 0; i < 10; i++) {
1541 				/* check status */
1542 				pcie_capability_read_word(adev->pdev,
1543 							  PCI_EXP_DEVSTA,
1544 							  &tmp16);
1545 				if (tmp16 & PCI_EXP_DEVSTA_TRPND)
1546 					break;
1547 
1548 				pcie_capability_read_word(root, PCI_EXP_LNKCTL,
1549 							  &bridge_cfg);
1550 				pcie_capability_read_word(adev->pdev,
1551 							  PCI_EXP_LNKCTL,
1552 							  &gpu_cfg);
1553 
1554 				pcie_capability_read_word(root, PCI_EXP_LNKCTL2,
1555 							  &bridge_cfg2);
1556 				pcie_capability_read_word(adev->pdev,
1557 							  PCI_EXP_LNKCTL2,
1558 							  &gpu_cfg2);
1559 
1560 				tmp = RREG32_PCIE(ixPCIE_LC_CNTL4);
1561 				tmp |= PCIE_LC_CNTL4__LC_SET_QUIESCE_MASK;
1562 				WREG32_PCIE(ixPCIE_LC_CNTL4, tmp);
1563 
1564 				tmp = RREG32_PCIE(ixPCIE_LC_CNTL4);
1565 				tmp |= PCIE_LC_CNTL4__LC_REDO_EQ_MASK;
1566 				WREG32_PCIE(ixPCIE_LC_CNTL4, tmp);
1567 
1568 				msleep(100);
1569 
1570 				/* linkctl */
1571 				pcie_capability_read_word(root, PCI_EXP_LNKCTL,
1572 							  &tmp16);
1573 				tmp16 &= ~PCI_EXP_LNKCTL_HAWD;
1574 				tmp16 |= (bridge_cfg & PCI_EXP_LNKCTL_HAWD);
1575 				pcie_capability_write_word(root, PCI_EXP_LNKCTL,
1576 							   tmp16);
1577 
1578 				pcie_capability_read_word(adev->pdev,
1579 							  PCI_EXP_LNKCTL,
1580 							  &tmp16);
1581 				tmp16 &= ~PCI_EXP_LNKCTL_HAWD;
1582 				tmp16 |= (gpu_cfg & PCI_EXP_LNKCTL_HAWD);
1583 				pcie_capability_write_word(adev->pdev,
1584 							   PCI_EXP_LNKCTL,
1585 							   tmp16);
1586 
1587 				/* linkctl2 */
1588 				pcie_capability_read_word(root, PCI_EXP_LNKCTL2,
1589 							  &tmp16);
1590 				tmp16 &= ~(PCI_EXP_LNKCTL2_ENTER_COMP |
1591 					   PCI_EXP_LNKCTL2_TX_MARGIN);
1592 				tmp16 |= (bridge_cfg2 &
1593 					  (PCI_EXP_LNKCTL2_ENTER_COMP |
1594 					   PCI_EXP_LNKCTL2_TX_MARGIN));
1595 				pcie_capability_write_word(root,
1596 							   PCI_EXP_LNKCTL2,
1597 							   tmp16);
1598 
1599 				pcie_capability_read_word(adev->pdev,
1600 							  PCI_EXP_LNKCTL2,
1601 							  &tmp16);
1602 				tmp16 &= ~(PCI_EXP_LNKCTL2_ENTER_COMP |
1603 					   PCI_EXP_LNKCTL2_TX_MARGIN);
1604 				tmp16 |= (gpu_cfg2 &
1605 					  (PCI_EXP_LNKCTL2_ENTER_COMP |
1606 					   PCI_EXP_LNKCTL2_TX_MARGIN));
1607 				pcie_capability_write_word(adev->pdev,
1608 							   PCI_EXP_LNKCTL2,
1609 							   tmp16);
1610 
1611 				tmp = RREG32_PCIE(ixPCIE_LC_CNTL4);
1612 				tmp &= ~PCIE_LC_CNTL4__LC_SET_QUIESCE_MASK;
1613 				WREG32_PCIE(ixPCIE_LC_CNTL4, tmp);
1614 			}
1615 		}
1616 	}
1617 
1618 	/* set the link speed */
1619 	speed_cntl |= PCIE_LC_SPEED_CNTL__LC_FORCE_EN_SW_SPEED_CHANGE_MASK |
1620 		PCIE_LC_SPEED_CNTL__LC_FORCE_DIS_HW_SPEED_CHANGE_MASK;
1621 	speed_cntl &= ~PCIE_LC_SPEED_CNTL__LC_FORCE_DIS_SW_SPEED_CHANGE_MASK;
1622 	WREG32_PCIE(ixPCIE_LC_SPEED_CNTL, speed_cntl);
1623 
1624 	pcie_capability_read_word(adev->pdev, PCI_EXP_LNKCTL2, &tmp16);
1625 	tmp16 &= ~PCI_EXP_LNKCTL2_TLS;
1626 
1627 	if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
1628 		tmp16 |= PCI_EXP_LNKCTL2_TLS_8_0GT; /* gen3 */
1629 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2)
1630 		tmp16 |= PCI_EXP_LNKCTL2_TLS_5_0GT; /* gen2 */
1631 	else
1632 		tmp16 |= PCI_EXP_LNKCTL2_TLS_2_5GT; /* gen1 */
1633 	pcie_capability_write_word(adev->pdev, PCI_EXP_LNKCTL2, tmp16);
1634 
1635 	speed_cntl = RREG32_PCIE(ixPCIE_LC_SPEED_CNTL);
1636 	speed_cntl |= PCIE_LC_SPEED_CNTL__LC_INITIATE_LINK_SPEED_CHANGE_MASK;
1637 	WREG32_PCIE(ixPCIE_LC_SPEED_CNTL, speed_cntl);
1638 
1639 	for (i = 0; i < adev->usec_timeout; i++) {
1640 		speed_cntl = RREG32_PCIE(ixPCIE_LC_SPEED_CNTL);
1641 		if ((speed_cntl & PCIE_LC_SPEED_CNTL__LC_INITIATE_LINK_SPEED_CHANGE_MASK) == 0)
1642 			break;
1643 		udelay(1);
1644 	}
1645 }
1646 
1647 static void cik_program_aspm(struct amdgpu_device *adev)
1648 {
1649 	u32 data, orig;
1650 	bool disable_l0s = false, disable_l1 = false, disable_plloff_in_l1 = false;
1651 	bool disable_clkreq = false;
1652 
1653 	if (amdgpu_aspm == 0)
1654 		return;
1655 
1656 	if (pci_is_root_bus(adev->pdev->bus))
1657 		return;
1658 
1659 	/* XXX double check APUs */
1660 	if (adev->flags & AMD_IS_APU)
1661 		return;
1662 
1663 	orig = data = RREG32_PCIE(ixPCIE_LC_N_FTS_CNTL);
1664 	data &= ~PCIE_LC_N_FTS_CNTL__LC_XMIT_N_FTS_MASK;
1665 	data |= (0x24 << PCIE_LC_N_FTS_CNTL__LC_XMIT_N_FTS__SHIFT) |
1666 		PCIE_LC_N_FTS_CNTL__LC_XMIT_N_FTS_OVERRIDE_EN_MASK;
1667 	if (orig != data)
1668 		WREG32_PCIE(ixPCIE_LC_N_FTS_CNTL, data);
1669 
1670 	orig = data = RREG32_PCIE(ixPCIE_LC_CNTL3);
1671 	data |= PCIE_LC_CNTL3__LC_GO_TO_RECOVERY_MASK;
1672 	if (orig != data)
1673 		WREG32_PCIE(ixPCIE_LC_CNTL3, data);
1674 
1675 	orig = data = RREG32_PCIE(ixPCIE_P_CNTL);
1676 	data |= PCIE_P_CNTL__P_IGNORE_EDB_ERR_MASK;
1677 	if (orig != data)
1678 		WREG32_PCIE(ixPCIE_P_CNTL, data);
1679 
1680 	orig = data = RREG32_PCIE(ixPCIE_LC_CNTL);
1681 	data &= ~(PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK |
1682 		PCIE_LC_CNTL__LC_L1_INACTIVITY_MASK);
1683 	data |= PCIE_LC_CNTL__LC_PMI_TO_L1_DIS_MASK;
1684 	if (!disable_l0s)
1685 		data |= (7 << PCIE_LC_CNTL__LC_L0S_INACTIVITY__SHIFT);
1686 
1687 	if (!disable_l1) {
1688 		data |= (7 << PCIE_LC_CNTL__LC_L1_INACTIVITY__SHIFT);
1689 		data &= ~PCIE_LC_CNTL__LC_PMI_TO_L1_DIS_MASK;
1690 		if (orig != data)
1691 			WREG32_PCIE(ixPCIE_LC_CNTL, data);
1692 
1693 		if (!disable_plloff_in_l1) {
1694 			bool clk_req_support;
1695 
1696 			orig = data = RREG32_PCIE(ixPB0_PIF_PWRDOWN_0);
1697 			data &= ~(PB0_PIF_PWRDOWN_0__PLL_POWER_STATE_IN_OFF_0_MASK |
1698 				PB0_PIF_PWRDOWN_0__PLL_POWER_STATE_IN_TXS2_0_MASK);
1699 			data |= (7 << PB0_PIF_PWRDOWN_0__PLL_POWER_STATE_IN_OFF_0__SHIFT) |
1700 				(7 << PB0_PIF_PWRDOWN_0__PLL_POWER_STATE_IN_TXS2_0__SHIFT);
1701 			if (orig != data)
1702 				WREG32_PCIE(ixPB0_PIF_PWRDOWN_0, data);
1703 
1704 			orig = data = RREG32_PCIE(ixPB0_PIF_PWRDOWN_1);
1705 			data &= ~(PB0_PIF_PWRDOWN_1__PLL_POWER_STATE_IN_OFF_1_MASK |
1706 				PB0_PIF_PWRDOWN_1__PLL_POWER_STATE_IN_TXS2_1_MASK);
1707 			data |= (7 << PB0_PIF_PWRDOWN_1__PLL_POWER_STATE_IN_OFF_1__SHIFT) |
1708 				(7 << PB0_PIF_PWRDOWN_1__PLL_POWER_STATE_IN_TXS2_1__SHIFT);
1709 			if (orig != data)
1710 				WREG32_PCIE(ixPB0_PIF_PWRDOWN_1, data);
1711 
1712 			orig = data = RREG32_PCIE(ixPB1_PIF_PWRDOWN_0);
1713 			data &= ~(PB1_PIF_PWRDOWN_0__PLL_POWER_STATE_IN_OFF_0_MASK |
1714 				PB1_PIF_PWRDOWN_0__PLL_POWER_STATE_IN_TXS2_0_MASK);
1715 			data |= (7 << PB1_PIF_PWRDOWN_0__PLL_POWER_STATE_IN_OFF_0__SHIFT) |
1716 				(7 << PB1_PIF_PWRDOWN_0__PLL_POWER_STATE_IN_TXS2_0__SHIFT);
1717 			if (orig != data)
1718 				WREG32_PCIE(ixPB1_PIF_PWRDOWN_0, data);
1719 
1720 			orig = data = RREG32_PCIE(ixPB1_PIF_PWRDOWN_1);
1721 			data &= ~(PB1_PIF_PWRDOWN_1__PLL_POWER_STATE_IN_OFF_1_MASK |
1722 				PB1_PIF_PWRDOWN_1__PLL_POWER_STATE_IN_TXS2_1_MASK);
1723 			data |= (7 << PB1_PIF_PWRDOWN_1__PLL_POWER_STATE_IN_OFF_1__SHIFT) |
1724 				(7 << PB1_PIF_PWRDOWN_1__PLL_POWER_STATE_IN_TXS2_1__SHIFT);
1725 			if (orig != data)
1726 				WREG32_PCIE(ixPB1_PIF_PWRDOWN_1, data);
1727 
1728 			orig = data = RREG32_PCIE(ixPCIE_LC_LINK_WIDTH_CNTL);
1729 			data &= ~PCIE_LC_LINK_WIDTH_CNTL__LC_DYN_LANES_PWR_STATE_MASK;
1730 			data |= ~(3 << PCIE_LC_LINK_WIDTH_CNTL__LC_DYN_LANES_PWR_STATE__SHIFT);
1731 			if (orig != data)
1732 				WREG32_PCIE(ixPCIE_LC_LINK_WIDTH_CNTL, data);
1733 
1734 			if (!disable_clkreq) {
1735 				struct pci_dev *root = adev->pdev->bus->self;
1736 				u32 lnkcap;
1737 
1738 				clk_req_support = false;
1739 				pcie_capability_read_dword(root, PCI_EXP_LNKCAP, &lnkcap);
1740 				if (lnkcap & PCI_EXP_LNKCAP_CLKPM)
1741 					clk_req_support = true;
1742 			} else {
1743 				clk_req_support = false;
1744 			}
1745 
1746 			if (clk_req_support) {
1747 				orig = data = RREG32_PCIE(ixPCIE_LC_CNTL2);
1748 				data |= PCIE_LC_CNTL2__LC_ALLOW_PDWN_IN_L1_MASK |
1749 					PCIE_LC_CNTL2__LC_ALLOW_PDWN_IN_L23_MASK;
1750 				if (orig != data)
1751 					WREG32_PCIE(ixPCIE_LC_CNTL2, data);
1752 
1753 				orig = data = RREG32_SMC(ixTHM_CLK_CNTL);
1754 				data &= ~(THM_CLK_CNTL__CMON_CLK_SEL_MASK |
1755 					THM_CLK_CNTL__TMON_CLK_SEL_MASK);
1756 				data |= (1 << THM_CLK_CNTL__CMON_CLK_SEL__SHIFT) |
1757 					(1 << THM_CLK_CNTL__TMON_CLK_SEL__SHIFT);
1758 				if (orig != data)
1759 					WREG32_SMC(ixTHM_CLK_CNTL, data);
1760 
1761 				orig = data = RREG32_SMC(ixMISC_CLK_CTRL);
1762 				data &= ~(MISC_CLK_CTRL__DEEP_SLEEP_CLK_SEL_MASK |
1763 					MISC_CLK_CTRL__ZCLK_SEL_MASK);
1764 				data |= (1 << MISC_CLK_CTRL__DEEP_SLEEP_CLK_SEL__SHIFT) |
1765 					(1 << MISC_CLK_CTRL__ZCLK_SEL__SHIFT);
1766 				if (orig != data)
1767 					WREG32_SMC(ixMISC_CLK_CTRL, data);
1768 
1769 				orig = data = RREG32_SMC(ixCG_CLKPIN_CNTL);
1770 				data &= ~CG_CLKPIN_CNTL__BCLK_AS_XCLK_MASK;
1771 				if (orig != data)
1772 					WREG32_SMC(ixCG_CLKPIN_CNTL, data);
1773 
1774 				orig = data = RREG32_SMC(ixCG_CLKPIN_CNTL_2);
1775 				data &= ~CG_CLKPIN_CNTL_2__FORCE_BIF_REFCLK_EN_MASK;
1776 				if (orig != data)
1777 					WREG32_SMC(ixCG_CLKPIN_CNTL_2, data);
1778 
1779 				orig = data = RREG32_SMC(ixMPLL_BYPASSCLK_SEL);
1780 				data &= ~MPLL_BYPASSCLK_SEL__MPLL_CLKOUT_SEL_MASK;
1781 				data |= (4 << MPLL_BYPASSCLK_SEL__MPLL_CLKOUT_SEL__SHIFT);
1782 				if (orig != data)
1783 					WREG32_SMC(ixMPLL_BYPASSCLK_SEL, data);
1784 			}
1785 		}
1786 	} else {
1787 		if (orig != data)
1788 			WREG32_PCIE(ixPCIE_LC_CNTL, data);
1789 	}
1790 
1791 	orig = data = RREG32_PCIE(ixPCIE_CNTL2);
1792 	data |= PCIE_CNTL2__SLV_MEM_LS_EN_MASK |
1793 		PCIE_CNTL2__MST_MEM_LS_EN_MASK |
1794 		PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK;
1795 	if (orig != data)
1796 		WREG32_PCIE(ixPCIE_CNTL2, data);
1797 
1798 	if (!disable_l0s) {
1799 		data = RREG32_PCIE(ixPCIE_LC_N_FTS_CNTL);
1800 		if ((data & PCIE_LC_N_FTS_CNTL__LC_N_FTS_MASK) ==
1801 				PCIE_LC_N_FTS_CNTL__LC_N_FTS_MASK) {
1802 			data = RREG32_PCIE(ixPCIE_LC_STATUS1);
1803 			if ((data & PCIE_LC_STATUS1__LC_REVERSE_XMIT_MASK) &&
1804 			(data & PCIE_LC_STATUS1__LC_REVERSE_RCVR_MASK)) {
1805 				orig = data = RREG32_PCIE(ixPCIE_LC_CNTL);
1806 				data &= ~PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK;
1807 				if (orig != data)
1808 					WREG32_PCIE(ixPCIE_LC_CNTL, data);
1809 			}
1810 		}
1811 	}
1812 }
1813 
1814 static uint32_t cik_get_rev_id(struct amdgpu_device *adev)
1815 {
1816 	return (RREG32(mmCC_DRM_ID_STRAPS) & CC_DRM_ID_STRAPS__ATI_REV_ID_MASK)
1817 		>> CC_DRM_ID_STRAPS__ATI_REV_ID__SHIFT;
1818 }
1819 
1820 static void cik_flush_hdp(struct amdgpu_device *adev, struct amdgpu_ring *ring)
1821 {
1822 	if (!ring || !ring->funcs->emit_wreg) {
1823 		WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 1);
1824 		RREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL);
1825 	} else {
1826 		amdgpu_ring_emit_wreg(ring, mmHDP_MEM_COHERENCY_FLUSH_CNTL, 1);
1827 	}
1828 }
1829 
1830 static void cik_invalidate_hdp(struct amdgpu_device *adev,
1831 			       struct amdgpu_ring *ring)
1832 {
1833 	if (!ring || !ring->funcs->emit_wreg) {
1834 		WREG32(mmHDP_DEBUG0, 1);
1835 		RREG32(mmHDP_DEBUG0);
1836 	} else {
1837 		amdgpu_ring_emit_wreg(ring, mmHDP_DEBUG0, 1);
1838 	}
1839 }
1840 
1841 static bool cik_need_full_reset(struct amdgpu_device *adev)
1842 {
1843 	/* change this when we support soft reset */
1844 	return true;
1845 }
1846 
1847 static void cik_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
1848 			       uint64_t *count1)
1849 {
1850 	uint32_t perfctr = 0;
1851 	uint64_t cnt0_of, cnt1_of;
1852 	int tmp;
1853 
1854 	/* This reports 0 on APUs, so return to avoid writing/reading registers
1855 	 * that may or may not be different from their GPU counterparts
1856 	 */
1857 	if (adev->flags & AMD_IS_APU)
1858 		return;
1859 
1860 	/* Set the 2 events that we wish to watch, defined above */
1861 	/* Reg 40 is # received msgs, Reg 104 is # of posted requests sent */
1862 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT0_SEL, 40);
1863 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT1_SEL, 104);
1864 
1865 	/* Write to enable desired perf counters */
1866 	WREG32_PCIE(ixPCIE_PERF_CNTL_TXCLK, perfctr);
1867 	/* Zero out and enable the perf counters
1868 	 * Write 0x5:
1869 	 * Bit 0 = Start all counters(1)
1870 	 * Bit 2 = Global counter reset enable(1)
1871 	 */
1872 	WREG32_PCIE(ixPCIE_PERF_COUNT_CNTL, 0x00000005);
1873 
1874 	msleep(1000);
1875 
1876 	/* Load the shadow and disable the perf counters
1877 	 * Write 0x2:
1878 	 * Bit 0 = Stop counters(0)
1879 	 * Bit 1 = Load the shadow counters(1)
1880 	 */
1881 	WREG32_PCIE(ixPCIE_PERF_COUNT_CNTL, 0x00000002);
1882 
1883 	/* Read register values to get any >32bit overflow */
1884 	tmp = RREG32_PCIE(ixPCIE_PERF_CNTL_TXCLK);
1885 	cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER0_UPPER);
1886 	cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER1_UPPER);
1887 
1888 	/* Get the values and add the overflow */
1889 	*count0 = RREG32_PCIE(ixPCIE_PERF_COUNT0_TXCLK) | (cnt0_of << 32);
1890 	*count1 = RREG32_PCIE(ixPCIE_PERF_COUNT1_TXCLK) | (cnt1_of << 32);
1891 }
1892 
1893 static bool cik_need_reset_on_init(struct amdgpu_device *adev)
1894 {
1895 	u32 clock_cntl, pc;
1896 
1897 	if (adev->flags & AMD_IS_APU)
1898 		return false;
1899 
1900 	/* check if the SMC is already running */
1901 	clock_cntl = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
1902 	pc = RREG32_SMC(ixSMC_PC_C);
1903 	if ((0 == REG_GET_FIELD(clock_cntl, SMC_SYSCON_CLOCK_CNTL_0, ck_disable)) &&
1904 	    (0x20100 <= pc))
1905 		return true;
1906 
1907 	return false;
1908 }
1909 
1910 static uint64_t cik_get_pcie_replay_count(struct amdgpu_device *adev)
1911 {
1912 	uint64_t nak_r, nak_g;
1913 
1914 	/* Get the number of NAKs received and generated */
1915 	nak_r = RREG32_PCIE(ixPCIE_RX_NUM_NAK);
1916 	nak_g = RREG32_PCIE(ixPCIE_RX_NUM_NAK_GENERATED);
1917 
1918 	/* Add the total number of NAKs, i.e the number of replays */
1919 	return (nak_r + nak_g);
1920 }
1921 
1922 static void cik_pre_asic_init(struct amdgpu_device *adev)
1923 {
1924 }
1925 
1926 static const struct amdgpu_asic_funcs cik_asic_funcs =
1927 {
1928 	.read_disabled_bios = &cik_read_disabled_bios,
1929 	.read_bios_from_rom = &cik_read_bios_from_rom,
1930 	.read_register = &cik_read_register,
1931 	.reset = &cik_asic_reset,
1932 	.reset_method = &cik_asic_reset_method,
1933 	.set_vga_state = &cik_vga_set_state,
1934 	.get_xclk = &cik_get_xclk,
1935 	.set_uvd_clocks = &cik_set_uvd_clocks,
1936 	.set_vce_clocks = &cik_set_vce_clocks,
1937 	.get_config_memsize = &cik_get_config_memsize,
1938 	.flush_hdp = &cik_flush_hdp,
1939 	.invalidate_hdp = &cik_invalidate_hdp,
1940 	.need_full_reset = &cik_need_full_reset,
1941 	.init_doorbell_index = &legacy_doorbell_index_init,
1942 	.get_pcie_usage = &cik_get_pcie_usage,
1943 	.need_reset_on_init = &cik_need_reset_on_init,
1944 	.get_pcie_replay_count = &cik_get_pcie_replay_count,
1945 	.supports_baco = &cik_asic_supports_baco,
1946 	.pre_asic_init = &cik_pre_asic_init,
1947 };
1948 
1949 static int cik_common_early_init(void *handle)
1950 {
1951 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1952 
1953 	adev->smc_rreg = &cik_smc_rreg;
1954 	adev->smc_wreg = &cik_smc_wreg;
1955 	adev->pcie_rreg = &cik_pcie_rreg;
1956 	adev->pcie_wreg = &cik_pcie_wreg;
1957 	adev->uvd_ctx_rreg = &cik_uvd_ctx_rreg;
1958 	adev->uvd_ctx_wreg = &cik_uvd_ctx_wreg;
1959 	adev->didt_rreg = &cik_didt_rreg;
1960 	adev->didt_wreg = &cik_didt_wreg;
1961 
1962 	adev->asic_funcs = &cik_asic_funcs;
1963 
1964 	adev->rev_id = cik_get_rev_id(adev);
1965 	adev->external_rev_id = 0xFF;
1966 	switch (adev->asic_type) {
1967 	case CHIP_BONAIRE:
1968 		adev->cg_flags =
1969 			AMD_CG_SUPPORT_GFX_MGCG |
1970 			AMD_CG_SUPPORT_GFX_MGLS |
1971 			/*AMD_CG_SUPPORT_GFX_CGCG |*/
1972 			AMD_CG_SUPPORT_GFX_CGLS |
1973 			AMD_CG_SUPPORT_GFX_CGTS |
1974 			AMD_CG_SUPPORT_GFX_CGTS_LS |
1975 			AMD_CG_SUPPORT_GFX_CP_LS |
1976 			AMD_CG_SUPPORT_MC_LS |
1977 			AMD_CG_SUPPORT_MC_MGCG |
1978 			AMD_CG_SUPPORT_SDMA_MGCG |
1979 			AMD_CG_SUPPORT_SDMA_LS |
1980 			AMD_CG_SUPPORT_BIF_LS |
1981 			AMD_CG_SUPPORT_VCE_MGCG |
1982 			AMD_CG_SUPPORT_UVD_MGCG |
1983 			AMD_CG_SUPPORT_HDP_LS |
1984 			AMD_CG_SUPPORT_HDP_MGCG;
1985 		adev->pg_flags = 0;
1986 		adev->external_rev_id = adev->rev_id + 0x14;
1987 		break;
1988 	case CHIP_HAWAII:
1989 		adev->cg_flags =
1990 			AMD_CG_SUPPORT_GFX_MGCG |
1991 			AMD_CG_SUPPORT_GFX_MGLS |
1992 			/*AMD_CG_SUPPORT_GFX_CGCG |*/
1993 			AMD_CG_SUPPORT_GFX_CGLS |
1994 			AMD_CG_SUPPORT_GFX_CGTS |
1995 			AMD_CG_SUPPORT_GFX_CP_LS |
1996 			AMD_CG_SUPPORT_MC_LS |
1997 			AMD_CG_SUPPORT_MC_MGCG |
1998 			AMD_CG_SUPPORT_SDMA_MGCG |
1999 			AMD_CG_SUPPORT_SDMA_LS |
2000 			AMD_CG_SUPPORT_BIF_LS |
2001 			AMD_CG_SUPPORT_VCE_MGCG |
2002 			AMD_CG_SUPPORT_UVD_MGCG |
2003 			AMD_CG_SUPPORT_HDP_LS |
2004 			AMD_CG_SUPPORT_HDP_MGCG;
2005 		adev->pg_flags = 0;
2006 		adev->external_rev_id = 0x28;
2007 		break;
2008 	case CHIP_KAVERI:
2009 		adev->cg_flags =
2010 			AMD_CG_SUPPORT_GFX_MGCG |
2011 			AMD_CG_SUPPORT_GFX_MGLS |
2012 			/*AMD_CG_SUPPORT_GFX_CGCG |*/
2013 			AMD_CG_SUPPORT_GFX_CGLS |
2014 			AMD_CG_SUPPORT_GFX_CGTS |
2015 			AMD_CG_SUPPORT_GFX_CGTS_LS |
2016 			AMD_CG_SUPPORT_GFX_CP_LS |
2017 			AMD_CG_SUPPORT_SDMA_MGCG |
2018 			AMD_CG_SUPPORT_SDMA_LS |
2019 			AMD_CG_SUPPORT_BIF_LS |
2020 			AMD_CG_SUPPORT_VCE_MGCG |
2021 			AMD_CG_SUPPORT_UVD_MGCG |
2022 			AMD_CG_SUPPORT_HDP_LS |
2023 			AMD_CG_SUPPORT_HDP_MGCG;
2024 		adev->pg_flags =
2025 			/*AMD_PG_SUPPORT_GFX_PG |
2026 			  AMD_PG_SUPPORT_GFX_SMG |
2027 			  AMD_PG_SUPPORT_GFX_DMG |*/
2028 			AMD_PG_SUPPORT_UVD |
2029 			AMD_PG_SUPPORT_VCE |
2030 			/*  AMD_PG_SUPPORT_CP |
2031 			  AMD_PG_SUPPORT_GDS |
2032 			  AMD_PG_SUPPORT_RLC_SMU_HS |
2033 			  AMD_PG_SUPPORT_ACP |
2034 			  AMD_PG_SUPPORT_SAMU |*/
2035 			0;
2036 		if (adev->pdev->device == 0x1312 ||
2037 			adev->pdev->device == 0x1316 ||
2038 			adev->pdev->device == 0x1317)
2039 			adev->external_rev_id = 0x41;
2040 		else
2041 			adev->external_rev_id = 0x1;
2042 		break;
2043 	case CHIP_KABINI:
2044 	case CHIP_MULLINS:
2045 		adev->cg_flags =
2046 			AMD_CG_SUPPORT_GFX_MGCG |
2047 			AMD_CG_SUPPORT_GFX_MGLS |
2048 			/*AMD_CG_SUPPORT_GFX_CGCG |*/
2049 			AMD_CG_SUPPORT_GFX_CGLS |
2050 			AMD_CG_SUPPORT_GFX_CGTS |
2051 			AMD_CG_SUPPORT_GFX_CGTS_LS |
2052 			AMD_CG_SUPPORT_GFX_CP_LS |
2053 			AMD_CG_SUPPORT_SDMA_MGCG |
2054 			AMD_CG_SUPPORT_SDMA_LS |
2055 			AMD_CG_SUPPORT_BIF_LS |
2056 			AMD_CG_SUPPORT_VCE_MGCG |
2057 			AMD_CG_SUPPORT_UVD_MGCG |
2058 			AMD_CG_SUPPORT_HDP_LS |
2059 			AMD_CG_SUPPORT_HDP_MGCG;
2060 		adev->pg_flags =
2061 			/*AMD_PG_SUPPORT_GFX_PG |
2062 			  AMD_PG_SUPPORT_GFX_SMG | */
2063 			AMD_PG_SUPPORT_UVD |
2064 			/*AMD_PG_SUPPORT_VCE |
2065 			  AMD_PG_SUPPORT_CP |
2066 			  AMD_PG_SUPPORT_GDS |
2067 			  AMD_PG_SUPPORT_RLC_SMU_HS |
2068 			  AMD_PG_SUPPORT_SAMU |*/
2069 			0;
2070 		if (adev->asic_type == CHIP_KABINI) {
2071 			if (adev->rev_id == 0)
2072 				adev->external_rev_id = 0x81;
2073 			else if (adev->rev_id == 1)
2074 				adev->external_rev_id = 0x82;
2075 			else if (adev->rev_id == 2)
2076 				adev->external_rev_id = 0x85;
2077 		} else
2078 			adev->external_rev_id = adev->rev_id + 0xa1;
2079 		break;
2080 	default:
2081 		/* FIXME: not supported yet */
2082 		return -EINVAL;
2083 	}
2084 
2085 	return 0;
2086 }
2087 
2088 static int cik_common_sw_init(void *handle)
2089 {
2090 	return 0;
2091 }
2092 
2093 static int cik_common_sw_fini(void *handle)
2094 {
2095 	return 0;
2096 }
2097 
2098 static int cik_common_hw_init(void *handle)
2099 {
2100 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2101 
2102 	/* move the golden regs per IP block */
2103 	cik_init_golden_registers(adev);
2104 	/* enable pcie gen2/3 link */
2105 	cik_pcie_gen3_enable(adev);
2106 	/* enable aspm */
2107 	cik_program_aspm(adev);
2108 
2109 	return 0;
2110 }
2111 
2112 static int cik_common_hw_fini(void *handle)
2113 {
2114 	return 0;
2115 }
2116 
2117 static int cik_common_suspend(void *handle)
2118 {
2119 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2120 
2121 	return cik_common_hw_fini(adev);
2122 }
2123 
2124 static int cik_common_resume(void *handle)
2125 {
2126 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2127 
2128 	return cik_common_hw_init(adev);
2129 }
2130 
2131 static bool cik_common_is_idle(void *handle)
2132 {
2133 	return true;
2134 }
2135 
2136 static int cik_common_wait_for_idle(void *handle)
2137 {
2138 	return 0;
2139 }
2140 
2141 static int cik_common_soft_reset(void *handle)
2142 {
2143 	/* XXX hard reset?? */
2144 	return 0;
2145 }
2146 
2147 static int cik_common_set_clockgating_state(void *handle,
2148 					    enum amd_clockgating_state state)
2149 {
2150 	return 0;
2151 }
2152 
2153 static int cik_common_set_powergating_state(void *handle,
2154 					    enum amd_powergating_state state)
2155 {
2156 	return 0;
2157 }
2158 
2159 static const struct amd_ip_funcs cik_common_ip_funcs = {
2160 	.name = "cik_common",
2161 	.early_init = cik_common_early_init,
2162 	.late_init = NULL,
2163 	.sw_init = cik_common_sw_init,
2164 	.sw_fini = cik_common_sw_fini,
2165 	.hw_init = cik_common_hw_init,
2166 	.hw_fini = cik_common_hw_fini,
2167 	.suspend = cik_common_suspend,
2168 	.resume = cik_common_resume,
2169 	.is_idle = cik_common_is_idle,
2170 	.wait_for_idle = cik_common_wait_for_idle,
2171 	.soft_reset = cik_common_soft_reset,
2172 	.set_clockgating_state = cik_common_set_clockgating_state,
2173 	.set_powergating_state = cik_common_set_powergating_state,
2174 };
2175 
2176 static const struct amdgpu_ip_block_version cik_common_ip_block =
2177 {
2178 	.type = AMD_IP_BLOCK_TYPE_COMMON,
2179 	.major = 1,
2180 	.minor = 0,
2181 	.rev = 0,
2182 	.funcs = &cik_common_ip_funcs,
2183 };
2184 
2185 int cik_set_ip_blocks(struct amdgpu_device *adev)
2186 {
2187 	switch (adev->asic_type) {
2188 	case CHIP_BONAIRE:
2189 		amdgpu_device_ip_block_add(adev, &cik_common_ip_block);
2190 		amdgpu_device_ip_block_add(adev, &gmc_v7_0_ip_block);
2191 		amdgpu_device_ip_block_add(adev, &cik_ih_ip_block);
2192 		amdgpu_device_ip_block_add(adev, &gfx_v7_2_ip_block);
2193 		amdgpu_device_ip_block_add(adev, &cik_sdma_ip_block);
2194 		amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
2195 		if (adev->enable_virtual_display)
2196 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
2197 #if defined(CONFIG_DRM_AMD_DC)
2198 		else if (amdgpu_device_has_dc_support(adev))
2199 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
2200 #endif
2201 		else
2202 			amdgpu_device_ip_block_add(adev, &dce_v8_2_ip_block);
2203 		amdgpu_device_ip_block_add(adev, &uvd_v4_2_ip_block);
2204 		amdgpu_device_ip_block_add(adev, &vce_v2_0_ip_block);
2205 		break;
2206 	case CHIP_HAWAII:
2207 		amdgpu_device_ip_block_add(adev, &cik_common_ip_block);
2208 		amdgpu_device_ip_block_add(adev, &gmc_v7_0_ip_block);
2209 		amdgpu_device_ip_block_add(adev, &cik_ih_ip_block);
2210 		amdgpu_device_ip_block_add(adev, &gfx_v7_3_ip_block);
2211 		amdgpu_device_ip_block_add(adev, &cik_sdma_ip_block);
2212 		amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
2213 		if (adev->enable_virtual_display)
2214 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
2215 #if defined(CONFIG_DRM_AMD_DC)
2216 		else if (amdgpu_device_has_dc_support(adev))
2217 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
2218 #endif
2219 		else
2220 			amdgpu_device_ip_block_add(adev, &dce_v8_5_ip_block);
2221 		amdgpu_device_ip_block_add(adev, &uvd_v4_2_ip_block);
2222 		amdgpu_device_ip_block_add(adev, &vce_v2_0_ip_block);
2223 		break;
2224 	case CHIP_KAVERI:
2225 		amdgpu_device_ip_block_add(adev, &cik_common_ip_block);
2226 		amdgpu_device_ip_block_add(adev, &gmc_v7_0_ip_block);
2227 		amdgpu_device_ip_block_add(adev, &cik_ih_ip_block);
2228 		amdgpu_device_ip_block_add(adev, &gfx_v7_1_ip_block);
2229 		amdgpu_device_ip_block_add(adev, &cik_sdma_ip_block);
2230 		amdgpu_device_ip_block_add(adev, &kv_smu_ip_block);
2231 		if (adev->enable_virtual_display)
2232 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
2233 #if defined(CONFIG_DRM_AMD_DC)
2234 		else if (amdgpu_device_has_dc_support(adev))
2235 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
2236 #endif
2237 		else
2238 			amdgpu_device_ip_block_add(adev, &dce_v8_1_ip_block);
2239 
2240 		amdgpu_device_ip_block_add(adev, &uvd_v4_2_ip_block);
2241 		amdgpu_device_ip_block_add(adev, &vce_v2_0_ip_block);
2242 		break;
2243 	case CHIP_KABINI:
2244 	case CHIP_MULLINS:
2245 		amdgpu_device_ip_block_add(adev, &cik_common_ip_block);
2246 		amdgpu_device_ip_block_add(adev, &gmc_v7_0_ip_block);
2247 		amdgpu_device_ip_block_add(adev, &cik_ih_ip_block);
2248 		amdgpu_device_ip_block_add(adev, &gfx_v7_2_ip_block);
2249 		amdgpu_device_ip_block_add(adev, &cik_sdma_ip_block);
2250 		amdgpu_device_ip_block_add(adev, &kv_smu_ip_block);
2251 		if (adev->enable_virtual_display)
2252 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
2253 #if defined(CONFIG_DRM_AMD_DC)
2254 		else if (amdgpu_device_has_dc_support(adev))
2255 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
2256 #endif
2257 		else
2258 			amdgpu_device_ip_block_add(adev, &dce_v8_3_ip_block);
2259 		amdgpu_device_ip_block_add(adev, &uvd_v4_2_ip_block);
2260 		amdgpu_device_ip_block_add(adev, &vce_v2_0_ip_block);
2261 		break;
2262 	default:
2263 		/* FIXME: not supported yet */
2264 		return -EINVAL;
2265 	}
2266 	return 0;
2267 }
2268