xref: /openbmc/linux/drivers/gpu/drm/amd/amdgpu/cik.c (revision bcd684aa) 
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 		/* disable baco reset until it works */
1340 		/* smu7_asic_get_baco_capability(adev, &baco_reset); */
1341 		baco_reset = false;
1342 		break;
1343 	case CHIP_HAWAII:
1344 		baco_reset = cik_asic_supports_baco(adev);
1345 		break;
1346 	default:
1347 		baco_reset = false;
1348 		break;
1349 	}
1350 
1351 	if (baco_reset)
1352 		return AMD_RESET_METHOD_BACO;
1353 	else
1354 		return AMD_RESET_METHOD_LEGACY;
1355 }
1356 
1357 /**
1358  * cik_asic_reset - soft reset GPU
1359  *
1360  * @adev: amdgpu_device pointer
1361  *
1362  * Look up which blocks are hung and attempt
1363  * to reset them.
1364  * Returns 0 for success.
1365  */
1366 static int cik_asic_reset(struct amdgpu_device *adev)
1367 {
1368 	int r;
1369 
1370 	if (cik_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) {
1371 		dev_info(adev->dev, "BACO reset\n");
1372 		r = amdgpu_dpm_baco_reset(adev);
1373 	} else {
1374 		dev_info(adev->dev, "PCI CONFIG reset\n");
1375 		r = cik_asic_pci_config_reset(adev);
1376 	}
1377 
1378 	return r;
1379 }
1380 
1381 static u32 cik_get_config_memsize(struct amdgpu_device *adev)
1382 {
1383 	return RREG32(mmCONFIG_MEMSIZE);
1384 }
1385 
1386 static int cik_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
1387 			      u32 cntl_reg, u32 status_reg)
1388 {
1389 	int r, i;
1390 	struct atom_clock_dividers dividers;
1391 	uint32_t tmp;
1392 
1393 	r = amdgpu_atombios_get_clock_dividers(adev,
1394 					       COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
1395 					       clock, false, &dividers);
1396 	if (r)
1397 		return r;
1398 
1399 	tmp = RREG32_SMC(cntl_reg);
1400 	tmp &= ~(CG_DCLK_CNTL__DCLK_DIR_CNTL_EN_MASK |
1401 		CG_DCLK_CNTL__DCLK_DIVIDER_MASK);
1402 	tmp |= dividers.post_divider;
1403 	WREG32_SMC(cntl_reg, tmp);
1404 
1405 	for (i = 0; i < 100; i++) {
1406 		if (RREG32_SMC(status_reg) & CG_DCLK_STATUS__DCLK_STATUS_MASK)
1407 			break;
1408 		mdelay(10);
1409 	}
1410 	if (i == 100)
1411 		return -ETIMEDOUT;
1412 
1413 	return 0;
1414 }
1415 
1416 static int cik_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
1417 {
1418 	int r = 0;
1419 
1420 	r = cik_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS);
1421 	if (r)
1422 		return r;
1423 
1424 	r = cik_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS);
1425 	return r;
1426 }
1427 
1428 static int cik_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
1429 {
1430 	int r, i;
1431 	struct atom_clock_dividers dividers;
1432 	u32 tmp;
1433 
1434 	r = amdgpu_atombios_get_clock_dividers(adev,
1435 					       COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
1436 					       ecclk, false, &dividers);
1437 	if (r)
1438 		return r;
1439 
1440 	for (i = 0; i < 100; i++) {
1441 		if (RREG32_SMC(ixCG_ECLK_STATUS) & CG_ECLK_STATUS__ECLK_STATUS_MASK)
1442 			break;
1443 		mdelay(10);
1444 	}
1445 	if (i == 100)
1446 		return -ETIMEDOUT;
1447 
1448 	tmp = RREG32_SMC(ixCG_ECLK_CNTL);
1449 	tmp &= ~(CG_ECLK_CNTL__ECLK_DIR_CNTL_EN_MASK |
1450 		CG_ECLK_CNTL__ECLK_DIVIDER_MASK);
1451 	tmp |= dividers.post_divider;
1452 	WREG32_SMC(ixCG_ECLK_CNTL, tmp);
1453 
1454 	for (i = 0; i < 100; i++) {
1455 		if (RREG32_SMC(ixCG_ECLK_STATUS) & CG_ECLK_STATUS__ECLK_STATUS_MASK)
1456 			break;
1457 		mdelay(10);
1458 	}
1459 	if (i == 100)
1460 		return -ETIMEDOUT;
1461 
1462 	return 0;
1463 }
1464 
1465 static void cik_pcie_gen3_enable(struct amdgpu_device *adev)
1466 {
1467 	struct pci_dev *root = adev->pdev->bus->self;
1468 	u32 speed_cntl, current_data_rate;
1469 	int i;
1470 	u16 tmp16;
1471 
1472 	if (pci_is_root_bus(adev->pdev->bus))
1473 		return;
1474 
1475 	if (amdgpu_pcie_gen2 == 0)
1476 		return;
1477 
1478 	if (adev->flags & AMD_IS_APU)
1479 		return;
1480 
1481 	if (!(adev->pm.pcie_gen_mask & (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
1482 					CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)))
1483 		return;
1484 
1485 	speed_cntl = RREG32_PCIE(ixPCIE_LC_SPEED_CNTL);
1486 	current_data_rate = (speed_cntl & PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE_MASK) >>
1487 		PCIE_LC_SPEED_CNTL__LC_CURRENT_DATA_RATE__SHIFT;
1488 	if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) {
1489 		if (current_data_rate == 2) {
1490 			DRM_INFO("PCIE gen 3 link speeds already enabled\n");
1491 			return;
1492 		}
1493 		DRM_INFO("enabling PCIE gen 3 link speeds, disable with amdgpu.pcie_gen2=0\n");
1494 	} else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2) {
1495 		if (current_data_rate == 1) {
1496 			DRM_INFO("PCIE gen 2 link speeds already enabled\n");
1497 			return;
1498 		}
1499 		DRM_INFO("enabling PCIE gen 2 link speeds, disable with amdgpu.pcie_gen2=0\n");
1500 	}
1501 
1502 	if (!pci_is_pcie(root) || !pci_is_pcie(adev->pdev))
1503 		return;
1504 
1505 	if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3) {
1506 		/* re-try equalization if gen3 is not already enabled */
1507 		if (current_data_rate != 2) {
1508 			u16 bridge_cfg, gpu_cfg;
1509 			u16 bridge_cfg2, gpu_cfg2;
1510 			u32 max_lw, current_lw, tmp;
1511 
1512 			pcie_capability_read_word(root, PCI_EXP_LNKCTL,
1513 						  &bridge_cfg);
1514 			pcie_capability_read_word(adev->pdev, PCI_EXP_LNKCTL,
1515 						  &gpu_cfg);
1516 
1517 			tmp16 = bridge_cfg | PCI_EXP_LNKCTL_HAWD;
1518 			pcie_capability_write_word(root, PCI_EXP_LNKCTL, tmp16);
1519 
1520 			tmp16 = gpu_cfg | PCI_EXP_LNKCTL_HAWD;
1521 			pcie_capability_write_word(adev->pdev, PCI_EXP_LNKCTL,
1522 						   tmp16);
1523 
1524 			tmp = RREG32_PCIE(ixPCIE_LC_STATUS1);
1525 			max_lw = (tmp & PCIE_LC_STATUS1__LC_DETECTED_LINK_WIDTH_MASK) >>
1526 				PCIE_LC_STATUS1__LC_DETECTED_LINK_WIDTH__SHIFT;
1527 			current_lw = (tmp & PCIE_LC_STATUS1__LC_OPERATING_LINK_WIDTH_MASK)
1528 				>> PCIE_LC_STATUS1__LC_OPERATING_LINK_WIDTH__SHIFT;
1529 
1530 			if (current_lw < max_lw) {
1531 				tmp = RREG32_PCIE(ixPCIE_LC_LINK_WIDTH_CNTL);
1532 				if (tmp & PCIE_LC_LINK_WIDTH_CNTL__LC_RENEGOTIATION_SUPPORT_MASK) {
1533 					tmp &= ~(PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH_MASK |
1534 						PCIE_LC_LINK_WIDTH_CNTL__LC_UPCONFIGURE_DIS_MASK);
1535 					tmp |= (max_lw <<
1536 						PCIE_LC_LINK_WIDTH_CNTL__LC_LINK_WIDTH__SHIFT);
1537 					tmp |= PCIE_LC_LINK_WIDTH_CNTL__LC_UPCONFIGURE_SUPPORT_MASK |
1538 					PCIE_LC_LINK_WIDTH_CNTL__LC_RENEGOTIATE_EN_MASK |
1539 					PCIE_LC_LINK_WIDTH_CNTL__LC_RECONFIG_NOW_MASK;
1540 					WREG32_PCIE(ixPCIE_LC_LINK_WIDTH_CNTL, tmp);
1541 				}
1542 			}
1543 
1544 			for (i = 0; i < 10; i++) {
1545 				/* check status */
1546 				pcie_capability_read_word(adev->pdev,
1547 							  PCI_EXP_DEVSTA,
1548 							  &tmp16);
1549 				if (tmp16 & PCI_EXP_DEVSTA_TRPND)
1550 					break;
1551 
1552 				pcie_capability_read_word(root, PCI_EXP_LNKCTL,
1553 							  &bridge_cfg);
1554 				pcie_capability_read_word(adev->pdev,
1555 							  PCI_EXP_LNKCTL,
1556 							  &gpu_cfg);
1557 
1558 				pcie_capability_read_word(root, PCI_EXP_LNKCTL2,
1559 							  &bridge_cfg2);
1560 				pcie_capability_read_word(adev->pdev,
1561 							  PCI_EXP_LNKCTL2,
1562 							  &gpu_cfg2);
1563 
1564 				tmp = RREG32_PCIE(ixPCIE_LC_CNTL4);
1565 				tmp |= PCIE_LC_CNTL4__LC_SET_QUIESCE_MASK;
1566 				WREG32_PCIE(ixPCIE_LC_CNTL4, tmp);
1567 
1568 				tmp = RREG32_PCIE(ixPCIE_LC_CNTL4);
1569 				tmp |= PCIE_LC_CNTL4__LC_REDO_EQ_MASK;
1570 				WREG32_PCIE(ixPCIE_LC_CNTL4, tmp);
1571 
1572 				msleep(100);
1573 
1574 				/* linkctl */
1575 				pcie_capability_read_word(root, PCI_EXP_LNKCTL,
1576 							  &tmp16);
1577 				tmp16 &= ~PCI_EXP_LNKCTL_HAWD;
1578 				tmp16 |= (bridge_cfg & PCI_EXP_LNKCTL_HAWD);
1579 				pcie_capability_write_word(root, PCI_EXP_LNKCTL,
1580 							   tmp16);
1581 
1582 				pcie_capability_read_word(adev->pdev,
1583 							  PCI_EXP_LNKCTL,
1584 							  &tmp16);
1585 				tmp16 &= ~PCI_EXP_LNKCTL_HAWD;
1586 				tmp16 |= (gpu_cfg & PCI_EXP_LNKCTL_HAWD);
1587 				pcie_capability_write_word(adev->pdev,
1588 							   PCI_EXP_LNKCTL,
1589 							   tmp16);
1590 
1591 				/* linkctl2 */
1592 				pcie_capability_read_word(root, PCI_EXP_LNKCTL2,
1593 							  &tmp16);
1594 				tmp16 &= ~(PCI_EXP_LNKCTL2_ENTER_COMP |
1595 					   PCI_EXP_LNKCTL2_TX_MARGIN);
1596 				tmp16 |= (bridge_cfg2 &
1597 					  (PCI_EXP_LNKCTL2_ENTER_COMP |
1598 					   PCI_EXP_LNKCTL2_TX_MARGIN));
1599 				pcie_capability_write_word(root,
1600 							   PCI_EXP_LNKCTL2,
1601 							   tmp16);
1602 
1603 				pcie_capability_read_word(adev->pdev,
1604 							  PCI_EXP_LNKCTL2,
1605 							  &tmp16);
1606 				tmp16 &= ~(PCI_EXP_LNKCTL2_ENTER_COMP |
1607 					   PCI_EXP_LNKCTL2_TX_MARGIN);
1608 				tmp16 |= (gpu_cfg2 &
1609 					  (PCI_EXP_LNKCTL2_ENTER_COMP |
1610 					   PCI_EXP_LNKCTL2_TX_MARGIN));
1611 				pcie_capability_write_word(adev->pdev,
1612 							   PCI_EXP_LNKCTL2,
1613 							   tmp16);
1614 
1615 				tmp = RREG32_PCIE(ixPCIE_LC_CNTL4);
1616 				tmp &= ~PCIE_LC_CNTL4__LC_SET_QUIESCE_MASK;
1617 				WREG32_PCIE(ixPCIE_LC_CNTL4, tmp);
1618 			}
1619 		}
1620 	}
1621 
1622 	/* set the link speed */
1623 	speed_cntl |= PCIE_LC_SPEED_CNTL__LC_FORCE_EN_SW_SPEED_CHANGE_MASK |
1624 		PCIE_LC_SPEED_CNTL__LC_FORCE_DIS_HW_SPEED_CHANGE_MASK;
1625 	speed_cntl &= ~PCIE_LC_SPEED_CNTL__LC_FORCE_DIS_SW_SPEED_CHANGE_MASK;
1626 	WREG32_PCIE(ixPCIE_LC_SPEED_CNTL, speed_cntl);
1627 
1628 	pcie_capability_read_word(adev->pdev, PCI_EXP_LNKCTL2, &tmp16);
1629 	tmp16 &= ~PCI_EXP_LNKCTL2_TLS;
1630 
1631 	if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)
1632 		tmp16 |= PCI_EXP_LNKCTL2_TLS_8_0GT; /* gen3 */
1633 	else if (adev->pm.pcie_gen_mask & CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2)
1634 		tmp16 |= PCI_EXP_LNKCTL2_TLS_5_0GT; /* gen2 */
1635 	else
1636 		tmp16 |= PCI_EXP_LNKCTL2_TLS_2_5GT; /* gen1 */
1637 	pcie_capability_write_word(adev->pdev, PCI_EXP_LNKCTL2, tmp16);
1638 
1639 	speed_cntl = RREG32_PCIE(ixPCIE_LC_SPEED_CNTL);
1640 	speed_cntl |= PCIE_LC_SPEED_CNTL__LC_INITIATE_LINK_SPEED_CHANGE_MASK;
1641 	WREG32_PCIE(ixPCIE_LC_SPEED_CNTL, speed_cntl);
1642 
1643 	for (i = 0; i < adev->usec_timeout; i++) {
1644 		speed_cntl = RREG32_PCIE(ixPCIE_LC_SPEED_CNTL);
1645 		if ((speed_cntl & PCIE_LC_SPEED_CNTL__LC_INITIATE_LINK_SPEED_CHANGE_MASK) == 0)
1646 			break;
1647 		udelay(1);
1648 	}
1649 }
1650 
1651 static void cik_program_aspm(struct amdgpu_device *adev)
1652 {
1653 	u32 data, orig;
1654 	bool disable_l0s = false, disable_l1 = false, disable_plloff_in_l1 = false;
1655 	bool disable_clkreq = false;
1656 
1657 	if (amdgpu_aspm == 0)
1658 		return;
1659 
1660 	if (pci_is_root_bus(adev->pdev->bus))
1661 		return;
1662 
1663 	/* XXX double check APUs */
1664 	if (adev->flags & AMD_IS_APU)
1665 		return;
1666 
1667 	orig = data = RREG32_PCIE(ixPCIE_LC_N_FTS_CNTL);
1668 	data &= ~PCIE_LC_N_FTS_CNTL__LC_XMIT_N_FTS_MASK;
1669 	data |= (0x24 << PCIE_LC_N_FTS_CNTL__LC_XMIT_N_FTS__SHIFT) |
1670 		PCIE_LC_N_FTS_CNTL__LC_XMIT_N_FTS_OVERRIDE_EN_MASK;
1671 	if (orig != data)
1672 		WREG32_PCIE(ixPCIE_LC_N_FTS_CNTL, data);
1673 
1674 	orig = data = RREG32_PCIE(ixPCIE_LC_CNTL3);
1675 	data |= PCIE_LC_CNTL3__LC_GO_TO_RECOVERY_MASK;
1676 	if (orig != data)
1677 		WREG32_PCIE(ixPCIE_LC_CNTL3, data);
1678 
1679 	orig = data = RREG32_PCIE(ixPCIE_P_CNTL);
1680 	data |= PCIE_P_CNTL__P_IGNORE_EDB_ERR_MASK;
1681 	if (orig != data)
1682 		WREG32_PCIE(ixPCIE_P_CNTL, data);
1683 
1684 	orig = data = RREG32_PCIE(ixPCIE_LC_CNTL);
1685 	data &= ~(PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK |
1686 		PCIE_LC_CNTL__LC_L1_INACTIVITY_MASK);
1687 	data |= PCIE_LC_CNTL__LC_PMI_TO_L1_DIS_MASK;
1688 	if (!disable_l0s)
1689 		data |= (7 << PCIE_LC_CNTL__LC_L0S_INACTIVITY__SHIFT);
1690 
1691 	if (!disable_l1) {
1692 		data |= (7 << PCIE_LC_CNTL__LC_L1_INACTIVITY__SHIFT);
1693 		data &= ~PCIE_LC_CNTL__LC_PMI_TO_L1_DIS_MASK;
1694 		if (orig != data)
1695 			WREG32_PCIE(ixPCIE_LC_CNTL, data);
1696 
1697 		if (!disable_plloff_in_l1) {
1698 			bool clk_req_support;
1699 
1700 			orig = data = RREG32_PCIE(ixPB0_PIF_PWRDOWN_0);
1701 			data &= ~(PB0_PIF_PWRDOWN_0__PLL_POWER_STATE_IN_OFF_0_MASK |
1702 				PB0_PIF_PWRDOWN_0__PLL_POWER_STATE_IN_TXS2_0_MASK);
1703 			data |= (7 << PB0_PIF_PWRDOWN_0__PLL_POWER_STATE_IN_OFF_0__SHIFT) |
1704 				(7 << PB0_PIF_PWRDOWN_0__PLL_POWER_STATE_IN_TXS2_0__SHIFT);
1705 			if (orig != data)
1706 				WREG32_PCIE(ixPB0_PIF_PWRDOWN_0, data);
1707 
1708 			orig = data = RREG32_PCIE(ixPB0_PIF_PWRDOWN_1);
1709 			data &= ~(PB0_PIF_PWRDOWN_1__PLL_POWER_STATE_IN_OFF_1_MASK |
1710 				PB0_PIF_PWRDOWN_1__PLL_POWER_STATE_IN_TXS2_1_MASK);
1711 			data |= (7 << PB0_PIF_PWRDOWN_1__PLL_POWER_STATE_IN_OFF_1__SHIFT) |
1712 				(7 << PB0_PIF_PWRDOWN_1__PLL_POWER_STATE_IN_TXS2_1__SHIFT);
1713 			if (orig != data)
1714 				WREG32_PCIE(ixPB0_PIF_PWRDOWN_1, data);
1715 
1716 			orig = data = RREG32_PCIE(ixPB1_PIF_PWRDOWN_0);
1717 			data &= ~(PB1_PIF_PWRDOWN_0__PLL_POWER_STATE_IN_OFF_0_MASK |
1718 				PB1_PIF_PWRDOWN_0__PLL_POWER_STATE_IN_TXS2_0_MASK);
1719 			data |= (7 << PB1_PIF_PWRDOWN_0__PLL_POWER_STATE_IN_OFF_0__SHIFT) |
1720 				(7 << PB1_PIF_PWRDOWN_0__PLL_POWER_STATE_IN_TXS2_0__SHIFT);
1721 			if (orig != data)
1722 				WREG32_PCIE(ixPB1_PIF_PWRDOWN_0, data);
1723 
1724 			orig = data = RREG32_PCIE(ixPB1_PIF_PWRDOWN_1);
1725 			data &= ~(PB1_PIF_PWRDOWN_1__PLL_POWER_STATE_IN_OFF_1_MASK |
1726 				PB1_PIF_PWRDOWN_1__PLL_POWER_STATE_IN_TXS2_1_MASK);
1727 			data |= (7 << PB1_PIF_PWRDOWN_1__PLL_POWER_STATE_IN_OFF_1__SHIFT) |
1728 				(7 << PB1_PIF_PWRDOWN_1__PLL_POWER_STATE_IN_TXS2_1__SHIFT);
1729 			if (orig != data)
1730 				WREG32_PCIE(ixPB1_PIF_PWRDOWN_1, data);
1731 
1732 			orig = data = RREG32_PCIE(ixPCIE_LC_LINK_WIDTH_CNTL);
1733 			data &= ~PCIE_LC_LINK_WIDTH_CNTL__LC_DYN_LANES_PWR_STATE_MASK;
1734 			data |= ~(3 << PCIE_LC_LINK_WIDTH_CNTL__LC_DYN_LANES_PWR_STATE__SHIFT);
1735 			if (orig != data)
1736 				WREG32_PCIE(ixPCIE_LC_LINK_WIDTH_CNTL, data);
1737 
1738 			if (!disable_clkreq) {
1739 				struct pci_dev *root = adev->pdev->bus->self;
1740 				u32 lnkcap;
1741 
1742 				clk_req_support = false;
1743 				pcie_capability_read_dword(root, PCI_EXP_LNKCAP, &lnkcap);
1744 				if (lnkcap & PCI_EXP_LNKCAP_CLKPM)
1745 					clk_req_support = true;
1746 			} else {
1747 				clk_req_support = false;
1748 			}
1749 
1750 			if (clk_req_support) {
1751 				orig = data = RREG32_PCIE(ixPCIE_LC_CNTL2);
1752 				data |= PCIE_LC_CNTL2__LC_ALLOW_PDWN_IN_L1_MASK |
1753 					PCIE_LC_CNTL2__LC_ALLOW_PDWN_IN_L23_MASK;
1754 				if (orig != data)
1755 					WREG32_PCIE(ixPCIE_LC_CNTL2, data);
1756 
1757 				orig = data = RREG32_SMC(ixTHM_CLK_CNTL);
1758 				data &= ~(THM_CLK_CNTL__CMON_CLK_SEL_MASK |
1759 					THM_CLK_CNTL__TMON_CLK_SEL_MASK);
1760 				data |= (1 << THM_CLK_CNTL__CMON_CLK_SEL__SHIFT) |
1761 					(1 << THM_CLK_CNTL__TMON_CLK_SEL__SHIFT);
1762 				if (orig != data)
1763 					WREG32_SMC(ixTHM_CLK_CNTL, data);
1764 
1765 				orig = data = RREG32_SMC(ixMISC_CLK_CTRL);
1766 				data &= ~(MISC_CLK_CTRL__DEEP_SLEEP_CLK_SEL_MASK |
1767 					MISC_CLK_CTRL__ZCLK_SEL_MASK);
1768 				data |= (1 << MISC_CLK_CTRL__DEEP_SLEEP_CLK_SEL__SHIFT) |
1769 					(1 << MISC_CLK_CTRL__ZCLK_SEL__SHIFT);
1770 				if (orig != data)
1771 					WREG32_SMC(ixMISC_CLK_CTRL, data);
1772 
1773 				orig = data = RREG32_SMC(ixCG_CLKPIN_CNTL);
1774 				data &= ~CG_CLKPIN_CNTL__BCLK_AS_XCLK_MASK;
1775 				if (orig != data)
1776 					WREG32_SMC(ixCG_CLKPIN_CNTL, data);
1777 
1778 				orig = data = RREG32_SMC(ixCG_CLKPIN_CNTL_2);
1779 				data &= ~CG_CLKPIN_CNTL_2__FORCE_BIF_REFCLK_EN_MASK;
1780 				if (orig != data)
1781 					WREG32_SMC(ixCG_CLKPIN_CNTL_2, data);
1782 
1783 				orig = data = RREG32_SMC(ixMPLL_BYPASSCLK_SEL);
1784 				data &= ~MPLL_BYPASSCLK_SEL__MPLL_CLKOUT_SEL_MASK;
1785 				data |= (4 << MPLL_BYPASSCLK_SEL__MPLL_CLKOUT_SEL__SHIFT);
1786 				if (orig != data)
1787 					WREG32_SMC(ixMPLL_BYPASSCLK_SEL, data);
1788 			}
1789 		}
1790 	} else {
1791 		if (orig != data)
1792 			WREG32_PCIE(ixPCIE_LC_CNTL, data);
1793 	}
1794 
1795 	orig = data = RREG32_PCIE(ixPCIE_CNTL2);
1796 	data |= PCIE_CNTL2__SLV_MEM_LS_EN_MASK |
1797 		PCIE_CNTL2__MST_MEM_LS_EN_MASK |
1798 		PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK;
1799 	if (orig != data)
1800 		WREG32_PCIE(ixPCIE_CNTL2, data);
1801 
1802 	if (!disable_l0s) {
1803 		data = RREG32_PCIE(ixPCIE_LC_N_FTS_CNTL);
1804 		if ((data & PCIE_LC_N_FTS_CNTL__LC_N_FTS_MASK) ==
1805 				PCIE_LC_N_FTS_CNTL__LC_N_FTS_MASK) {
1806 			data = RREG32_PCIE(ixPCIE_LC_STATUS1);
1807 			if ((data & PCIE_LC_STATUS1__LC_REVERSE_XMIT_MASK) &&
1808 			(data & PCIE_LC_STATUS1__LC_REVERSE_RCVR_MASK)) {
1809 				orig = data = RREG32_PCIE(ixPCIE_LC_CNTL);
1810 				data &= ~PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK;
1811 				if (orig != data)
1812 					WREG32_PCIE(ixPCIE_LC_CNTL, data);
1813 			}
1814 		}
1815 	}
1816 }
1817 
1818 static uint32_t cik_get_rev_id(struct amdgpu_device *adev)
1819 {
1820 	return (RREG32(mmCC_DRM_ID_STRAPS) & CC_DRM_ID_STRAPS__ATI_REV_ID_MASK)
1821 		>> CC_DRM_ID_STRAPS__ATI_REV_ID__SHIFT;
1822 }
1823 
1824 static void cik_flush_hdp(struct amdgpu_device *adev, struct amdgpu_ring *ring)
1825 {
1826 	if (!ring || !ring->funcs->emit_wreg) {
1827 		WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 1);
1828 		RREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL);
1829 	} else {
1830 		amdgpu_ring_emit_wreg(ring, mmHDP_MEM_COHERENCY_FLUSH_CNTL, 1);
1831 	}
1832 }
1833 
1834 static void cik_invalidate_hdp(struct amdgpu_device *adev,
1835 			       struct amdgpu_ring *ring)
1836 {
1837 	if (!ring || !ring->funcs->emit_wreg) {
1838 		WREG32(mmHDP_DEBUG0, 1);
1839 		RREG32(mmHDP_DEBUG0);
1840 	} else {
1841 		amdgpu_ring_emit_wreg(ring, mmHDP_DEBUG0, 1);
1842 	}
1843 }
1844 
1845 static bool cik_need_full_reset(struct amdgpu_device *adev)
1846 {
1847 	/* change this when we support soft reset */
1848 	return true;
1849 }
1850 
1851 static void cik_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
1852 			       uint64_t *count1)
1853 {
1854 	uint32_t perfctr = 0;
1855 	uint64_t cnt0_of, cnt1_of;
1856 	int tmp;
1857 
1858 	/* This reports 0 on APUs, so return to avoid writing/reading registers
1859 	 * that may or may not be different from their GPU counterparts
1860 	 */
1861 	if (adev->flags & AMD_IS_APU)
1862 		return;
1863 
1864 	/* Set the 2 events that we wish to watch, defined above */
1865 	/* Reg 40 is # received msgs, Reg 104 is # of posted requests sent */
1866 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT0_SEL, 40);
1867 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT1_SEL, 104);
1868 
1869 	/* Write to enable desired perf counters */
1870 	WREG32_PCIE(ixPCIE_PERF_CNTL_TXCLK, perfctr);
1871 	/* Zero out and enable the perf counters
1872 	 * Write 0x5:
1873 	 * Bit 0 = Start all counters(1)
1874 	 * Bit 2 = Global counter reset enable(1)
1875 	 */
1876 	WREG32_PCIE(ixPCIE_PERF_COUNT_CNTL, 0x00000005);
1877 
1878 	msleep(1000);
1879 
1880 	/* Load the shadow and disable the perf counters
1881 	 * Write 0x2:
1882 	 * Bit 0 = Stop counters(0)
1883 	 * Bit 1 = Load the shadow counters(1)
1884 	 */
1885 	WREG32_PCIE(ixPCIE_PERF_COUNT_CNTL, 0x00000002);
1886 
1887 	/* Read register values to get any >32bit overflow */
1888 	tmp = RREG32_PCIE(ixPCIE_PERF_CNTL_TXCLK);
1889 	cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER0_UPPER);
1890 	cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER1_UPPER);
1891 
1892 	/* Get the values and add the overflow */
1893 	*count0 = RREG32_PCIE(ixPCIE_PERF_COUNT0_TXCLK) | (cnt0_of << 32);
1894 	*count1 = RREG32_PCIE(ixPCIE_PERF_COUNT1_TXCLK) | (cnt1_of << 32);
1895 }
1896 
1897 static bool cik_need_reset_on_init(struct amdgpu_device *adev)
1898 {
1899 	u32 clock_cntl, pc;
1900 
1901 	if (adev->flags & AMD_IS_APU)
1902 		return false;
1903 
1904 	/* check if the SMC is already running */
1905 	clock_cntl = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
1906 	pc = RREG32_SMC(ixSMC_PC_C);
1907 	if ((0 == REG_GET_FIELD(clock_cntl, SMC_SYSCON_CLOCK_CNTL_0, ck_disable)) &&
1908 	    (0x20100 <= pc))
1909 		return true;
1910 
1911 	return false;
1912 }
1913 
1914 static uint64_t cik_get_pcie_replay_count(struct amdgpu_device *adev)
1915 {
1916 	uint64_t nak_r, nak_g;
1917 
1918 	/* Get the number of NAKs received and generated */
1919 	nak_r = RREG32_PCIE(ixPCIE_RX_NUM_NAK);
1920 	nak_g = RREG32_PCIE(ixPCIE_RX_NUM_NAK_GENERATED);
1921 
1922 	/* Add the total number of NAKs, i.e the number of replays */
1923 	return (nak_r + nak_g);
1924 }
1925 
1926 static void cik_pre_asic_init(struct amdgpu_device *adev)
1927 {
1928 }
1929 
1930 static const struct amdgpu_asic_funcs cik_asic_funcs =
1931 {
1932 	.read_disabled_bios = &cik_read_disabled_bios,
1933 	.read_bios_from_rom = &cik_read_bios_from_rom,
1934 	.read_register = &cik_read_register,
1935 	.reset = &cik_asic_reset,
1936 	.reset_method = &cik_asic_reset_method,
1937 	.set_vga_state = &cik_vga_set_state,
1938 	.get_xclk = &cik_get_xclk,
1939 	.set_uvd_clocks = &cik_set_uvd_clocks,
1940 	.set_vce_clocks = &cik_set_vce_clocks,
1941 	.get_config_memsize = &cik_get_config_memsize,
1942 	.flush_hdp = &cik_flush_hdp,
1943 	.invalidate_hdp = &cik_invalidate_hdp,
1944 	.need_full_reset = &cik_need_full_reset,
1945 	.init_doorbell_index = &legacy_doorbell_index_init,
1946 	.get_pcie_usage = &cik_get_pcie_usage,
1947 	.need_reset_on_init = &cik_need_reset_on_init,
1948 	.get_pcie_replay_count = &cik_get_pcie_replay_count,
1949 	.supports_baco = &cik_asic_supports_baco,
1950 	.pre_asic_init = &cik_pre_asic_init,
1951 };
1952 
1953 static int cik_common_early_init(void *handle)
1954 {
1955 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1956 
1957 	adev->smc_rreg = &cik_smc_rreg;
1958 	adev->smc_wreg = &cik_smc_wreg;
1959 	adev->pcie_rreg = &cik_pcie_rreg;
1960 	adev->pcie_wreg = &cik_pcie_wreg;
1961 	adev->uvd_ctx_rreg = &cik_uvd_ctx_rreg;
1962 	adev->uvd_ctx_wreg = &cik_uvd_ctx_wreg;
1963 	adev->didt_rreg = &cik_didt_rreg;
1964 	adev->didt_wreg = &cik_didt_wreg;
1965 
1966 	adev->asic_funcs = &cik_asic_funcs;
1967 
1968 	adev->rev_id = cik_get_rev_id(adev);
1969 	adev->external_rev_id = 0xFF;
1970 	switch (adev->asic_type) {
1971 	case CHIP_BONAIRE:
1972 		adev->cg_flags =
1973 			AMD_CG_SUPPORT_GFX_MGCG |
1974 			AMD_CG_SUPPORT_GFX_MGLS |
1975 			/*AMD_CG_SUPPORT_GFX_CGCG |*/
1976 			AMD_CG_SUPPORT_GFX_CGLS |
1977 			AMD_CG_SUPPORT_GFX_CGTS |
1978 			AMD_CG_SUPPORT_GFX_CGTS_LS |
1979 			AMD_CG_SUPPORT_GFX_CP_LS |
1980 			AMD_CG_SUPPORT_MC_LS |
1981 			AMD_CG_SUPPORT_MC_MGCG |
1982 			AMD_CG_SUPPORT_SDMA_MGCG |
1983 			AMD_CG_SUPPORT_SDMA_LS |
1984 			AMD_CG_SUPPORT_BIF_LS |
1985 			AMD_CG_SUPPORT_VCE_MGCG |
1986 			AMD_CG_SUPPORT_UVD_MGCG |
1987 			AMD_CG_SUPPORT_HDP_LS |
1988 			AMD_CG_SUPPORT_HDP_MGCG;
1989 		adev->pg_flags = 0;
1990 		adev->external_rev_id = adev->rev_id + 0x14;
1991 		break;
1992 	case CHIP_HAWAII:
1993 		adev->cg_flags =
1994 			AMD_CG_SUPPORT_GFX_MGCG |
1995 			AMD_CG_SUPPORT_GFX_MGLS |
1996 			/*AMD_CG_SUPPORT_GFX_CGCG |*/
1997 			AMD_CG_SUPPORT_GFX_CGLS |
1998 			AMD_CG_SUPPORT_GFX_CGTS |
1999 			AMD_CG_SUPPORT_GFX_CP_LS |
2000 			AMD_CG_SUPPORT_MC_LS |
2001 			AMD_CG_SUPPORT_MC_MGCG |
2002 			AMD_CG_SUPPORT_SDMA_MGCG |
2003 			AMD_CG_SUPPORT_SDMA_LS |
2004 			AMD_CG_SUPPORT_BIF_LS |
2005 			AMD_CG_SUPPORT_VCE_MGCG |
2006 			AMD_CG_SUPPORT_UVD_MGCG |
2007 			AMD_CG_SUPPORT_HDP_LS |
2008 			AMD_CG_SUPPORT_HDP_MGCG;
2009 		adev->pg_flags = 0;
2010 		adev->external_rev_id = 0x28;
2011 		break;
2012 	case CHIP_KAVERI:
2013 		adev->cg_flags =
2014 			AMD_CG_SUPPORT_GFX_MGCG |
2015 			AMD_CG_SUPPORT_GFX_MGLS |
2016 			/*AMD_CG_SUPPORT_GFX_CGCG |*/
2017 			AMD_CG_SUPPORT_GFX_CGLS |
2018 			AMD_CG_SUPPORT_GFX_CGTS |
2019 			AMD_CG_SUPPORT_GFX_CGTS_LS |
2020 			AMD_CG_SUPPORT_GFX_CP_LS |
2021 			AMD_CG_SUPPORT_SDMA_MGCG |
2022 			AMD_CG_SUPPORT_SDMA_LS |
2023 			AMD_CG_SUPPORT_BIF_LS |
2024 			AMD_CG_SUPPORT_VCE_MGCG |
2025 			AMD_CG_SUPPORT_UVD_MGCG |
2026 			AMD_CG_SUPPORT_HDP_LS |
2027 			AMD_CG_SUPPORT_HDP_MGCG;
2028 		adev->pg_flags =
2029 			/*AMD_PG_SUPPORT_GFX_PG |
2030 			  AMD_PG_SUPPORT_GFX_SMG |
2031 			  AMD_PG_SUPPORT_GFX_DMG |*/
2032 			AMD_PG_SUPPORT_UVD |
2033 			AMD_PG_SUPPORT_VCE |
2034 			/*  AMD_PG_SUPPORT_CP |
2035 			  AMD_PG_SUPPORT_GDS |
2036 			  AMD_PG_SUPPORT_RLC_SMU_HS |
2037 			  AMD_PG_SUPPORT_ACP |
2038 			  AMD_PG_SUPPORT_SAMU |*/
2039 			0;
2040 		if (adev->pdev->device == 0x1312 ||
2041 			adev->pdev->device == 0x1316 ||
2042 			adev->pdev->device == 0x1317)
2043 			adev->external_rev_id = 0x41;
2044 		else
2045 			adev->external_rev_id = 0x1;
2046 		break;
2047 	case CHIP_KABINI:
2048 	case CHIP_MULLINS:
2049 		adev->cg_flags =
2050 			AMD_CG_SUPPORT_GFX_MGCG |
2051 			AMD_CG_SUPPORT_GFX_MGLS |
2052 			/*AMD_CG_SUPPORT_GFX_CGCG |*/
2053 			AMD_CG_SUPPORT_GFX_CGLS |
2054 			AMD_CG_SUPPORT_GFX_CGTS |
2055 			AMD_CG_SUPPORT_GFX_CGTS_LS |
2056 			AMD_CG_SUPPORT_GFX_CP_LS |
2057 			AMD_CG_SUPPORT_SDMA_MGCG |
2058 			AMD_CG_SUPPORT_SDMA_LS |
2059 			AMD_CG_SUPPORT_BIF_LS |
2060 			AMD_CG_SUPPORT_VCE_MGCG |
2061 			AMD_CG_SUPPORT_UVD_MGCG |
2062 			AMD_CG_SUPPORT_HDP_LS |
2063 			AMD_CG_SUPPORT_HDP_MGCG;
2064 		adev->pg_flags =
2065 			/*AMD_PG_SUPPORT_GFX_PG |
2066 			  AMD_PG_SUPPORT_GFX_SMG | */
2067 			AMD_PG_SUPPORT_UVD |
2068 			/*AMD_PG_SUPPORT_VCE |
2069 			  AMD_PG_SUPPORT_CP |
2070 			  AMD_PG_SUPPORT_GDS |
2071 			  AMD_PG_SUPPORT_RLC_SMU_HS |
2072 			  AMD_PG_SUPPORT_SAMU |*/
2073 			0;
2074 		if (adev->asic_type == CHIP_KABINI) {
2075 			if (adev->rev_id == 0)
2076 				adev->external_rev_id = 0x81;
2077 			else if (adev->rev_id == 1)
2078 				adev->external_rev_id = 0x82;
2079 			else if (adev->rev_id == 2)
2080 				adev->external_rev_id = 0x85;
2081 		} else
2082 			adev->external_rev_id = adev->rev_id + 0xa1;
2083 		break;
2084 	default:
2085 		/* FIXME: not supported yet */
2086 		return -EINVAL;
2087 	}
2088 
2089 	return 0;
2090 }
2091 
2092 static int cik_common_sw_init(void *handle)
2093 {
2094 	return 0;
2095 }
2096 
2097 static int cik_common_sw_fini(void *handle)
2098 {
2099 	return 0;
2100 }
2101 
2102 static int cik_common_hw_init(void *handle)
2103 {
2104 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2105 
2106 	/* move the golden regs per IP block */
2107 	cik_init_golden_registers(adev);
2108 	/* enable pcie gen2/3 link */
2109 	cik_pcie_gen3_enable(adev);
2110 	/* enable aspm */
2111 	cik_program_aspm(adev);
2112 
2113 	return 0;
2114 }
2115 
2116 static int cik_common_hw_fini(void *handle)
2117 {
2118 	return 0;
2119 }
2120 
2121 static int cik_common_suspend(void *handle)
2122 {
2123 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2124 
2125 	return cik_common_hw_fini(adev);
2126 }
2127 
2128 static int cik_common_resume(void *handle)
2129 {
2130 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2131 
2132 	return cik_common_hw_init(adev);
2133 }
2134 
2135 static bool cik_common_is_idle(void *handle)
2136 {
2137 	return true;
2138 }
2139 
2140 static int cik_common_wait_for_idle(void *handle)
2141 {
2142 	return 0;
2143 }
2144 
2145 static int cik_common_soft_reset(void *handle)
2146 {
2147 	/* XXX hard reset?? */
2148 	return 0;
2149 }
2150 
2151 static int cik_common_set_clockgating_state(void *handle,
2152 					    enum amd_clockgating_state state)
2153 {
2154 	return 0;
2155 }
2156 
2157 static int cik_common_set_powergating_state(void *handle,
2158 					    enum amd_powergating_state state)
2159 {
2160 	return 0;
2161 }
2162 
2163 static const struct amd_ip_funcs cik_common_ip_funcs = {
2164 	.name = "cik_common",
2165 	.early_init = cik_common_early_init,
2166 	.late_init = NULL,
2167 	.sw_init = cik_common_sw_init,
2168 	.sw_fini = cik_common_sw_fini,
2169 	.hw_init = cik_common_hw_init,
2170 	.hw_fini = cik_common_hw_fini,
2171 	.suspend = cik_common_suspend,
2172 	.resume = cik_common_resume,
2173 	.is_idle = cik_common_is_idle,
2174 	.wait_for_idle = cik_common_wait_for_idle,
2175 	.soft_reset = cik_common_soft_reset,
2176 	.set_clockgating_state = cik_common_set_clockgating_state,
2177 	.set_powergating_state = cik_common_set_powergating_state,
2178 };
2179 
2180 static const struct amdgpu_ip_block_version cik_common_ip_block =
2181 {
2182 	.type = AMD_IP_BLOCK_TYPE_COMMON,
2183 	.major = 1,
2184 	.minor = 0,
2185 	.rev = 0,
2186 	.funcs = &cik_common_ip_funcs,
2187 };
2188 
2189 int cik_set_ip_blocks(struct amdgpu_device *adev)
2190 {
2191 	switch (adev->asic_type) {
2192 	case CHIP_BONAIRE:
2193 		amdgpu_device_ip_block_add(adev, &cik_common_ip_block);
2194 		amdgpu_device_ip_block_add(adev, &gmc_v7_0_ip_block);
2195 		amdgpu_device_ip_block_add(adev, &cik_ih_ip_block);
2196 		amdgpu_device_ip_block_add(adev, &gfx_v7_2_ip_block);
2197 		amdgpu_device_ip_block_add(adev, &cik_sdma_ip_block);
2198 		amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
2199 		if (adev->enable_virtual_display)
2200 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
2201 #if defined(CONFIG_DRM_AMD_DC)
2202 		else if (amdgpu_device_has_dc_support(adev))
2203 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
2204 #endif
2205 		else
2206 			amdgpu_device_ip_block_add(adev, &dce_v8_2_ip_block);
2207 		amdgpu_device_ip_block_add(adev, &uvd_v4_2_ip_block);
2208 		amdgpu_device_ip_block_add(adev, &vce_v2_0_ip_block);
2209 		break;
2210 	case CHIP_HAWAII:
2211 		amdgpu_device_ip_block_add(adev, &cik_common_ip_block);
2212 		amdgpu_device_ip_block_add(adev, &gmc_v7_0_ip_block);
2213 		amdgpu_device_ip_block_add(adev, &cik_ih_ip_block);
2214 		amdgpu_device_ip_block_add(adev, &gfx_v7_3_ip_block);
2215 		amdgpu_device_ip_block_add(adev, &cik_sdma_ip_block);
2216 		amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
2217 		if (adev->enable_virtual_display)
2218 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
2219 #if defined(CONFIG_DRM_AMD_DC)
2220 		else if (amdgpu_device_has_dc_support(adev))
2221 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
2222 #endif
2223 		else
2224 			amdgpu_device_ip_block_add(adev, &dce_v8_5_ip_block);
2225 		amdgpu_device_ip_block_add(adev, &uvd_v4_2_ip_block);
2226 		amdgpu_device_ip_block_add(adev, &vce_v2_0_ip_block);
2227 		break;
2228 	case CHIP_KAVERI:
2229 		amdgpu_device_ip_block_add(adev, &cik_common_ip_block);
2230 		amdgpu_device_ip_block_add(adev, &gmc_v7_0_ip_block);
2231 		amdgpu_device_ip_block_add(adev, &cik_ih_ip_block);
2232 		amdgpu_device_ip_block_add(adev, &gfx_v7_1_ip_block);
2233 		amdgpu_device_ip_block_add(adev, &cik_sdma_ip_block);
2234 		amdgpu_device_ip_block_add(adev, &kv_smu_ip_block);
2235 		if (adev->enable_virtual_display)
2236 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
2237 #if defined(CONFIG_DRM_AMD_DC)
2238 		else if (amdgpu_device_has_dc_support(adev))
2239 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
2240 #endif
2241 		else
2242 			amdgpu_device_ip_block_add(adev, &dce_v8_1_ip_block);
2243 
2244 		amdgpu_device_ip_block_add(adev, &uvd_v4_2_ip_block);
2245 		amdgpu_device_ip_block_add(adev, &vce_v2_0_ip_block);
2246 		break;
2247 	case CHIP_KABINI:
2248 	case CHIP_MULLINS:
2249 		amdgpu_device_ip_block_add(adev, &cik_common_ip_block);
2250 		amdgpu_device_ip_block_add(adev, &gmc_v7_0_ip_block);
2251 		amdgpu_device_ip_block_add(adev, &cik_ih_ip_block);
2252 		amdgpu_device_ip_block_add(adev, &gfx_v7_2_ip_block);
2253 		amdgpu_device_ip_block_add(adev, &cik_sdma_ip_block);
2254 		amdgpu_device_ip_block_add(adev, &kv_smu_ip_block);
2255 		if (adev->enable_virtual_display)
2256 			amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
2257 #if defined(CONFIG_DRM_AMD_DC)
2258 		else if (amdgpu_device_has_dc_support(adev))
2259 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
2260 #endif
2261 		else
2262 			amdgpu_device_ip_block_add(adev, &dce_v8_3_ip_block);
2263 		amdgpu_device_ip_block_add(adev, &uvd_v4_2_ip_block);
2264 		amdgpu_device_ip_block_add(adev, &vce_v2_0_ip_block);
2265 		break;
2266 	default:
2267 		/* FIXME: not supported yet */
2268 		return -EINVAL;
2269 	}
2270 	return 0;
2271 }
2272