xref: /openbsd-src/sys/dev/pci/drm/amd/amdgpu/vi.c (revision f6aab3d83b51b91c24247ad2c2573574de475a82)
1 /*
2  * Copyright 2014 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  */
23 
24 #include <linux/pci.h>
25 #include <linux/slab.h>
26 
27 #include <drm/amdgpu_drm.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 "amdgpu_ucode.h"
35 #include "atom.h"
36 #include "amd_pcie.h"
37 
38 #include "gmc/gmc_8_1_d.h"
39 #include "gmc/gmc_8_1_sh_mask.h"
40 
41 #include "oss/oss_3_0_d.h"
42 #include "oss/oss_3_0_sh_mask.h"
43 
44 #include "bif/bif_5_0_d.h"
45 #include "bif/bif_5_0_sh_mask.h"
46 
47 #include "gca/gfx_8_0_d.h"
48 #include "gca/gfx_8_0_sh_mask.h"
49 
50 #include "smu/smu_7_1_1_d.h"
51 #include "smu/smu_7_1_1_sh_mask.h"
52 
53 #include "uvd/uvd_5_0_d.h"
54 #include "uvd/uvd_5_0_sh_mask.h"
55 
56 #include "vce/vce_3_0_d.h"
57 #include "vce/vce_3_0_sh_mask.h"
58 
59 #include "dce/dce_10_0_d.h"
60 #include "dce/dce_10_0_sh_mask.h"
61 
62 #include "vid.h"
63 #include "vi.h"
64 #include "gmc_v8_0.h"
65 #include "gmc_v7_0.h"
66 #include "gfx_v8_0.h"
67 #include "sdma_v2_4.h"
68 #include "sdma_v3_0.h"
69 #include "dce_v10_0.h"
70 #include "dce_v11_0.h"
71 #include "iceland_ih.h"
72 #include "tonga_ih.h"
73 #include "cz_ih.h"
74 #include "uvd_v5_0.h"
75 #include "uvd_v6_0.h"
76 #include "vce_v3_0.h"
77 #if defined(CONFIG_DRM_AMD_ACP)
78 #include "amdgpu_acp.h"
79 #endif
80 #include "amdgpu_vkms.h"
81 #include "mxgpu_vi.h"
82 #include "amdgpu_dm.h"
83 
84 #define ixPCIE_LC_L1_PM_SUBSTATE	0x100100C6
85 #define PCIE_LC_L1_PM_SUBSTATE__LC_L1_SUBSTATES_OVERRIDE_EN_MASK	0x00000001L
86 #define PCIE_LC_L1_PM_SUBSTATE__LC_PCI_PM_L1_2_OVERRIDE_MASK	0x00000002L
87 #define PCIE_LC_L1_PM_SUBSTATE__LC_PCI_PM_L1_1_OVERRIDE_MASK	0x00000004L
88 #define PCIE_LC_L1_PM_SUBSTATE__LC_ASPM_L1_2_OVERRIDE_MASK		0x00000008L
89 #define PCIE_LC_L1_PM_SUBSTATE__LC_ASPM_L1_1_OVERRIDE_MASK		0x00000010L
90 #define ixPCIE_L1_PM_SUB_CNTL	0x378
91 #define PCIE_L1_PM_SUB_CNTL__ASPM_L1_2_EN_MASK	0x00000004L
92 #define PCIE_L1_PM_SUB_CNTL__ASPM_L1_1_EN_MASK	0x00000008L
93 #define PCIE_L1_PM_SUB_CNTL__PCI_PM_L1_2_EN_MASK	0x00000001L
94 #define PCIE_L1_PM_SUB_CNTL__PCI_PM_L1_1_EN_MASK	0x00000002L
95 #define PCIE_LC_CNTL6__LC_L1_POWERDOWN_MASK		0x00200000L
96 #define LINK_CAP	0x64
97 #define PCIE_LINK_CAP__CLOCK_POWER_MANAGEMENT_MASK	0x00040000L
98 #define ixCPM_CONTROL	0x1400118
99 #define ixPCIE_LC_CNTL7	0x100100BC
100 #define PCIE_LC_CNTL7__LC_L1_SIDEBAND_CLKREQ_PDWN_EN_MASK	0x00000400L
101 #define PCIE_LC_CNTL__LC_L0S_INACTIVITY_DEFAULT	0x00000007
102 #define PCIE_LC_CNTL__LC_L1_INACTIVITY_DEFAULT	0x00000009
103 #define CPM_CONTROL__CLKREQb_UNGATE_TXCLK_ENABLE_MASK	0x01000000L
104 #define PCIE_L1_PM_SUB_CNTL	0x378
105 #define ASIC_IS_P22(asic_type, rid)	((asic_type >= CHIP_POLARIS10) && \
106 									(asic_type <= CHIP_POLARIS12) && \
107 									(rid >= 0x6E))
108 /* Topaz */
109 static const struct amdgpu_video_codecs topaz_video_codecs_encode =
110 {
111 	.codec_count = 0,
112 	.codec_array = NULL,
113 };
114 
115 /* Tonga, CZ, ST, Fiji */
116 static const struct amdgpu_video_codec_info tonga_video_codecs_encode_array[] =
117 {
118 	{
119 		.codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC,
120 		.max_width = 4096,
121 		.max_height = 2304,
122 		.max_pixels_per_frame = 4096 * 2304,
123 		.max_level = 0,
124 	},
125 };
126 
127 static const struct amdgpu_video_codecs tonga_video_codecs_encode =
128 {
129 	.codec_count = ARRAY_SIZE(tonga_video_codecs_encode_array),
130 	.codec_array = tonga_video_codecs_encode_array,
131 };
132 
133 /* Polaris */
134 static const struct amdgpu_video_codec_info polaris_video_codecs_encode_array[] =
135 {
136 	{
137 		.codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC,
138 		.max_width = 4096,
139 		.max_height = 2304,
140 		.max_pixels_per_frame = 4096 * 2304,
141 		.max_level = 0,
142 	},
143 	{
144 		.codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC,
145 		.max_width = 4096,
146 		.max_height = 2304,
147 		.max_pixels_per_frame = 4096 * 2304,
148 		.max_level = 0,
149 	},
150 };
151 
152 static const struct amdgpu_video_codecs polaris_video_codecs_encode =
153 {
154 	.codec_count = ARRAY_SIZE(polaris_video_codecs_encode_array),
155 	.codec_array = polaris_video_codecs_encode_array,
156 };
157 
158 /* Topaz */
159 static const struct amdgpu_video_codecs topaz_video_codecs_decode =
160 {
161 	.codec_count = 0,
162 	.codec_array = NULL,
163 };
164 
165 /* Tonga */
166 static const struct amdgpu_video_codec_info tonga_video_codecs_decode_array[] =
167 {
168 	{
169 		.codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2,
170 		.max_width = 4096,
171 		.max_height = 4096,
172 		.max_pixels_per_frame = 4096 * 4096,
173 		.max_level = 3,
174 	},
175 	{
176 		.codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4,
177 		.max_width = 4096,
178 		.max_height = 4096,
179 		.max_pixels_per_frame = 4096 * 4096,
180 		.max_level = 5,
181 	},
182 	{
183 		.codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC,
184 		.max_width = 4096,
185 		.max_height = 4096,
186 		.max_pixels_per_frame = 4096 * 4096,
187 		.max_level = 52,
188 	},
189 	{
190 		.codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1,
191 		.max_width = 4096,
192 		.max_height = 4096,
193 		.max_pixels_per_frame = 4096 * 4096,
194 		.max_level = 4,
195 	},
196 };
197 
198 static const struct amdgpu_video_codecs tonga_video_codecs_decode =
199 {
200 	.codec_count = ARRAY_SIZE(tonga_video_codecs_decode_array),
201 	.codec_array = tonga_video_codecs_decode_array,
202 };
203 
204 /* CZ, ST, Fiji, Polaris */
205 static const struct amdgpu_video_codec_info cz_video_codecs_decode_array[] =
206 {
207 	{
208 		.codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2,
209 		.max_width = 4096,
210 		.max_height = 4096,
211 		.max_pixels_per_frame = 4096 * 4096,
212 		.max_level = 3,
213 	},
214 	{
215 		.codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4,
216 		.max_width = 4096,
217 		.max_height = 4096,
218 		.max_pixels_per_frame = 4096 * 4096,
219 		.max_level = 5,
220 	},
221 	{
222 		.codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC,
223 		.max_width = 4096,
224 		.max_height = 4096,
225 		.max_pixels_per_frame = 4096 * 4096,
226 		.max_level = 52,
227 	},
228 	{
229 		.codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1,
230 		.max_width = 4096,
231 		.max_height = 4096,
232 		.max_pixels_per_frame = 4096 * 4096,
233 		.max_level = 4,
234 	},
235 	{
236 		.codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC,
237 		.max_width = 4096,
238 		.max_height = 4096,
239 		.max_pixels_per_frame = 4096 * 4096,
240 		.max_level = 186,
241 	},
242 	{
243 		.codec_type = AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG,
244 		.max_width = 4096,
245 		.max_height = 4096,
246 		.max_pixels_per_frame = 4096 * 4096,
247 		.max_level = 0,
248 	},
249 };
250 
251 static const struct amdgpu_video_codecs cz_video_codecs_decode =
252 {
253 	.codec_count = ARRAY_SIZE(cz_video_codecs_decode_array),
254 	.codec_array = cz_video_codecs_decode_array,
255 };
256 
257 static int vi_query_video_codecs(struct amdgpu_device *adev, bool encode,
258 				 const struct amdgpu_video_codecs **codecs)
259 {
260 	switch (adev->asic_type) {
261 	case CHIP_TOPAZ:
262 		if (encode)
263 			*codecs = &topaz_video_codecs_encode;
264 		else
265 			*codecs = &topaz_video_codecs_decode;
266 		return 0;
267 	case CHIP_TONGA:
268 		if (encode)
269 			*codecs = &tonga_video_codecs_encode;
270 		else
271 			*codecs = &tonga_video_codecs_decode;
272 		return 0;
273 	case CHIP_POLARIS10:
274 	case CHIP_POLARIS11:
275 	case CHIP_POLARIS12:
276 	case CHIP_VEGAM:
277 		if (encode)
278 			*codecs = &polaris_video_codecs_encode;
279 		else
280 			*codecs = &cz_video_codecs_decode;
281 		return 0;
282 	case CHIP_FIJI:
283 	case CHIP_CARRIZO:
284 	case CHIP_STONEY:
285 		if (encode)
286 			*codecs = &tonga_video_codecs_encode;
287 		else
288 			*codecs = &cz_video_codecs_decode;
289 		return 0;
290 	default:
291 		return -EINVAL;
292 	}
293 }
294 
295 /*
296  * Indirect registers accessor
297  */
298 static u32 vi_pcie_rreg(struct amdgpu_device *adev, u32 reg)
299 {
300 	unsigned long flags;
301 	u32 r;
302 
303 	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
304 	WREG32_NO_KIQ(mmPCIE_INDEX, reg);
305 	(void)RREG32_NO_KIQ(mmPCIE_INDEX);
306 	r = RREG32_NO_KIQ(mmPCIE_DATA);
307 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
308 	return r;
309 }
310 
311 static void vi_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
312 {
313 	unsigned long flags;
314 
315 	spin_lock_irqsave(&adev->pcie_idx_lock, flags);
316 	WREG32_NO_KIQ(mmPCIE_INDEX, reg);
317 	(void)RREG32_NO_KIQ(mmPCIE_INDEX);
318 	WREG32_NO_KIQ(mmPCIE_DATA, v);
319 	(void)RREG32_NO_KIQ(mmPCIE_DATA);
320 	spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
321 }
322 
323 static u32 vi_smc_rreg(struct amdgpu_device *adev, u32 reg)
324 {
325 	unsigned long flags;
326 	u32 r;
327 
328 	spin_lock_irqsave(&adev->smc_idx_lock, flags);
329 	WREG32_NO_KIQ(mmSMC_IND_INDEX_11, (reg));
330 	r = RREG32_NO_KIQ(mmSMC_IND_DATA_11);
331 	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
332 	return r;
333 }
334 
335 static void vi_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
336 {
337 	unsigned long flags;
338 
339 	spin_lock_irqsave(&adev->smc_idx_lock, flags);
340 	WREG32_NO_KIQ(mmSMC_IND_INDEX_11, (reg));
341 	WREG32_NO_KIQ(mmSMC_IND_DATA_11, (v));
342 	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
343 }
344 
345 /* smu_8_0_d.h */
346 #define mmMP0PUB_IND_INDEX                                                      0x180
347 #define mmMP0PUB_IND_DATA                                                       0x181
348 
349 static u32 cz_smc_rreg(struct amdgpu_device *adev, u32 reg)
350 {
351 	unsigned long flags;
352 	u32 r;
353 
354 	spin_lock_irqsave(&adev->smc_idx_lock, flags);
355 	WREG32(mmMP0PUB_IND_INDEX, (reg));
356 	r = RREG32(mmMP0PUB_IND_DATA);
357 	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
358 	return r;
359 }
360 
361 static void cz_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
362 {
363 	unsigned long flags;
364 
365 	spin_lock_irqsave(&adev->smc_idx_lock, flags);
366 	WREG32(mmMP0PUB_IND_INDEX, (reg));
367 	WREG32(mmMP0PUB_IND_DATA, (v));
368 	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
369 }
370 
371 static u32 vi_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg)
372 {
373 	unsigned long flags;
374 	u32 r;
375 
376 	spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
377 	WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff));
378 	r = RREG32(mmUVD_CTX_DATA);
379 	spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
380 	return r;
381 }
382 
383 static void vi_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
384 {
385 	unsigned long flags;
386 
387 	spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
388 	WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff));
389 	WREG32(mmUVD_CTX_DATA, (v));
390 	spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
391 }
392 
393 static u32 vi_didt_rreg(struct amdgpu_device *adev, u32 reg)
394 {
395 	unsigned long flags;
396 	u32 r;
397 
398 	spin_lock_irqsave(&adev->didt_idx_lock, flags);
399 	WREG32(mmDIDT_IND_INDEX, (reg));
400 	r = RREG32(mmDIDT_IND_DATA);
401 	spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
402 	return r;
403 }
404 
405 static void vi_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
406 {
407 	unsigned long flags;
408 
409 	spin_lock_irqsave(&adev->didt_idx_lock, flags);
410 	WREG32(mmDIDT_IND_INDEX, (reg));
411 	WREG32(mmDIDT_IND_DATA, (v));
412 	spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
413 }
414 
415 static u32 vi_gc_cac_rreg(struct amdgpu_device *adev, u32 reg)
416 {
417 	unsigned long flags;
418 	u32 r;
419 
420 	spin_lock_irqsave(&adev->gc_cac_idx_lock, flags);
421 	WREG32(mmGC_CAC_IND_INDEX, (reg));
422 	r = RREG32(mmGC_CAC_IND_DATA);
423 	spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags);
424 	return r;
425 }
426 
427 static void vi_gc_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
428 {
429 	unsigned long flags;
430 
431 	spin_lock_irqsave(&adev->gc_cac_idx_lock, flags);
432 	WREG32(mmGC_CAC_IND_INDEX, (reg));
433 	WREG32(mmGC_CAC_IND_DATA, (v));
434 	spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags);
435 }
436 
437 
438 static const u32 tonga_mgcg_cgcg_init[] =
439 {
440 	mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100,
441 	mmPCIE_INDEX, 0xffffffff, 0x0140001c,
442 	mmPCIE_DATA, 0x000f0000, 0x00000000,
443 	mmSMC_IND_INDEX_4, 0xffffffff, 0xC060000C,
444 	mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100,
445 	mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100,
446 	mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
447 };
448 
449 static const u32 fiji_mgcg_cgcg_init[] =
450 {
451 	mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100,
452 	mmPCIE_INDEX, 0xffffffff, 0x0140001c,
453 	mmPCIE_DATA, 0x000f0000, 0x00000000,
454 	mmSMC_IND_INDEX_4, 0xffffffff, 0xC060000C,
455 	mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100,
456 	mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100,
457 	mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
458 };
459 
460 static const u32 iceland_mgcg_cgcg_init[] =
461 {
462 	mmPCIE_INDEX, 0xffffffff, ixPCIE_CNTL2,
463 	mmPCIE_DATA, 0x000f0000, 0x00000000,
464 	mmSMC_IND_INDEX_4, 0xffffffff, ixCGTT_ROM_CLK_CTRL0,
465 	mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100,
466 	mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
467 };
468 
469 static const u32 cz_mgcg_cgcg_init[] =
470 {
471 	mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100,
472 	mmPCIE_INDEX, 0xffffffff, 0x0140001c,
473 	mmPCIE_DATA, 0x000f0000, 0x00000000,
474 	mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100,
475 	mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
476 };
477 
478 static const u32 stoney_mgcg_cgcg_init[] =
479 {
480 	mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00000100,
481 	mmHDP_XDP_CGTT_BLK_CTRL, 0xffffffff, 0x00000104,
482 	mmHDP_HOST_PATH_CNTL, 0xffffffff, 0x0f000027,
483 };
484 
485 static void vi_init_golden_registers(struct amdgpu_device *adev)
486 {
487 	/* Some of the registers might be dependent on GRBM_GFX_INDEX */
488 	mutex_lock(&adev->grbm_idx_mutex);
489 
490 	if (amdgpu_sriov_vf(adev)) {
491 		xgpu_vi_init_golden_registers(adev);
492 		mutex_unlock(&adev->grbm_idx_mutex);
493 		return;
494 	}
495 
496 	switch (adev->asic_type) {
497 	case CHIP_TOPAZ:
498 		amdgpu_device_program_register_sequence(adev,
499 							iceland_mgcg_cgcg_init,
500 							ARRAY_SIZE(iceland_mgcg_cgcg_init));
501 		break;
502 	case CHIP_FIJI:
503 		amdgpu_device_program_register_sequence(adev,
504 							fiji_mgcg_cgcg_init,
505 							ARRAY_SIZE(fiji_mgcg_cgcg_init));
506 		break;
507 	case CHIP_TONGA:
508 		amdgpu_device_program_register_sequence(adev,
509 							tonga_mgcg_cgcg_init,
510 							ARRAY_SIZE(tonga_mgcg_cgcg_init));
511 		break;
512 	case CHIP_CARRIZO:
513 		amdgpu_device_program_register_sequence(adev,
514 							cz_mgcg_cgcg_init,
515 							ARRAY_SIZE(cz_mgcg_cgcg_init));
516 		break;
517 	case CHIP_STONEY:
518 		amdgpu_device_program_register_sequence(adev,
519 							stoney_mgcg_cgcg_init,
520 							ARRAY_SIZE(stoney_mgcg_cgcg_init));
521 		break;
522 	case CHIP_POLARIS10:
523 	case CHIP_POLARIS11:
524 	case CHIP_POLARIS12:
525 	case CHIP_VEGAM:
526 	default:
527 		break;
528 	}
529 	mutex_unlock(&adev->grbm_idx_mutex);
530 }
531 
532 /**
533  * vi_get_xclk - get the xclk
534  *
535  * @adev: amdgpu_device pointer
536  *
537  * Returns the reference clock used by the gfx engine
538  * (VI).
539  */
540 static u32 vi_get_xclk(struct amdgpu_device *adev)
541 {
542 	u32 reference_clock = adev->clock.spll.reference_freq;
543 	u32 tmp;
544 
545 	if (adev->flags & AMD_IS_APU) {
546 		switch (adev->asic_type) {
547 		case CHIP_STONEY:
548 			/* vbios says 48Mhz, but the actual freq is 100Mhz */
549 			return 10000;
550 		default:
551 			return reference_clock;
552 		}
553 	}
554 
555 	tmp = RREG32_SMC(ixCG_CLKPIN_CNTL_2);
556 	if (REG_GET_FIELD(tmp, CG_CLKPIN_CNTL_2, MUX_TCLK_TO_XCLK))
557 		return 1000;
558 
559 	tmp = RREG32_SMC(ixCG_CLKPIN_CNTL);
560 	if (REG_GET_FIELD(tmp, CG_CLKPIN_CNTL, XTALIN_DIVIDE))
561 		return reference_clock / 4;
562 
563 	return reference_clock;
564 }
565 
566 /**
567  * vi_srbm_select - select specific register instances
568  *
569  * @adev: amdgpu_device pointer
570  * @me: selected ME (micro engine)
571  * @pipe: pipe
572  * @queue: queue
573  * @vmid: VMID
574  *
575  * Switches the currently active registers instances.  Some
576  * registers are instanced per VMID, others are instanced per
577  * me/pipe/queue combination.
578  */
579 void vi_srbm_select(struct amdgpu_device *adev,
580 		     u32 me, u32 pipe, u32 queue, u32 vmid)
581 {
582 	u32 srbm_gfx_cntl = 0;
583 	srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, PIPEID, pipe);
584 	srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, MEID, me);
585 	srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, VMID, vmid);
586 	srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, QUEUEID, queue);
587 	WREG32(mmSRBM_GFX_CNTL, srbm_gfx_cntl);
588 }
589 
590 static void vi_vga_set_state(struct amdgpu_device *adev, bool state)
591 {
592 	/* todo */
593 }
594 
595 static bool vi_read_disabled_bios(struct amdgpu_device *adev)
596 {
597 	u32 bus_cntl;
598 	u32 d1vga_control = 0;
599 	u32 d2vga_control = 0;
600 	u32 vga_render_control = 0;
601 	u32 rom_cntl;
602 	bool r;
603 
604 	bus_cntl = RREG32(mmBUS_CNTL);
605 	if (adev->mode_info.num_crtc) {
606 		d1vga_control = RREG32(mmD1VGA_CONTROL);
607 		d2vga_control = RREG32(mmD2VGA_CONTROL);
608 		vga_render_control = RREG32(mmVGA_RENDER_CONTROL);
609 	}
610 	rom_cntl = RREG32_SMC(ixROM_CNTL);
611 
612 	/* enable the rom */
613 	WREG32(mmBUS_CNTL, (bus_cntl & ~BUS_CNTL__BIOS_ROM_DIS_MASK));
614 	if (adev->mode_info.num_crtc) {
615 		/* Disable VGA mode */
616 		WREG32(mmD1VGA_CONTROL,
617 		       (d1vga_control & ~(D1VGA_CONTROL__D1VGA_MODE_ENABLE_MASK |
618 					  D1VGA_CONTROL__D1VGA_TIMING_SELECT_MASK)));
619 		WREG32(mmD2VGA_CONTROL,
620 		       (d2vga_control & ~(D2VGA_CONTROL__D2VGA_MODE_ENABLE_MASK |
621 					  D2VGA_CONTROL__D2VGA_TIMING_SELECT_MASK)));
622 		WREG32(mmVGA_RENDER_CONTROL,
623 		       (vga_render_control & ~VGA_RENDER_CONTROL__VGA_VSTATUS_CNTL_MASK));
624 	}
625 	WREG32_SMC(ixROM_CNTL, rom_cntl | ROM_CNTL__SCK_OVERWRITE_MASK);
626 
627 	r = amdgpu_read_bios(adev);
628 
629 	/* restore regs */
630 	WREG32(mmBUS_CNTL, bus_cntl);
631 	if (adev->mode_info.num_crtc) {
632 		WREG32(mmD1VGA_CONTROL, d1vga_control);
633 		WREG32(mmD2VGA_CONTROL, d2vga_control);
634 		WREG32(mmVGA_RENDER_CONTROL, vga_render_control);
635 	}
636 	WREG32_SMC(ixROM_CNTL, rom_cntl);
637 	return r;
638 }
639 
640 static bool vi_read_bios_from_rom(struct amdgpu_device *adev,
641 				  u8 *bios, u32 length_bytes)
642 {
643 	u32 *dw_ptr;
644 	unsigned long flags;
645 	u32 i, length_dw;
646 
647 	if (bios == NULL)
648 		return false;
649 	if (length_bytes == 0)
650 		return false;
651 	/* APU vbios image is part of sbios image */
652 	if (adev->flags & AMD_IS_APU)
653 		return false;
654 
655 	dw_ptr = (u32 *)bios;
656 	length_dw = roundup2(length_bytes, 4) / 4;
657 	/* take the smc lock since we are using the smc index */
658 	spin_lock_irqsave(&adev->smc_idx_lock, flags);
659 	/* set rom index to 0 */
660 	WREG32(mmSMC_IND_INDEX_11, ixROM_INDEX);
661 	WREG32(mmSMC_IND_DATA_11, 0);
662 	/* set index to data for continous read */
663 	WREG32(mmSMC_IND_INDEX_11, ixROM_DATA);
664 	for (i = 0; i < length_dw; i++)
665 		dw_ptr[i] = RREG32(mmSMC_IND_DATA_11);
666 	spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
667 
668 	return true;
669 }
670 
671 static const struct amdgpu_allowed_register_entry vi_allowed_read_registers[] = {
672 	{mmGRBM_STATUS},
673 	{mmGRBM_STATUS2},
674 	{mmGRBM_STATUS_SE0},
675 	{mmGRBM_STATUS_SE1},
676 	{mmGRBM_STATUS_SE2},
677 	{mmGRBM_STATUS_SE3},
678 	{mmSRBM_STATUS},
679 	{mmSRBM_STATUS2},
680 	{mmSRBM_STATUS3},
681 	{mmSDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET},
682 	{mmSDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET},
683 	{mmCP_STAT},
684 	{mmCP_STALLED_STAT1},
685 	{mmCP_STALLED_STAT2},
686 	{mmCP_STALLED_STAT3},
687 	{mmCP_CPF_BUSY_STAT},
688 	{mmCP_CPF_STALLED_STAT1},
689 	{mmCP_CPF_STATUS},
690 	{mmCP_CPC_BUSY_STAT},
691 	{mmCP_CPC_STALLED_STAT1},
692 	{mmCP_CPC_STATUS},
693 	{mmGB_ADDR_CONFIG},
694 	{mmMC_ARB_RAMCFG},
695 	{mmGB_TILE_MODE0},
696 	{mmGB_TILE_MODE1},
697 	{mmGB_TILE_MODE2},
698 	{mmGB_TILE_MODE3},
699 	{mmGB_TILE_MODE4},
700 	{mmGB_TILE_MODE5},
701 	{mmGB_TILE_MODE6},
702 	{mmGB_TILE_MODE7},
703 	{mmGB_TILE_MODE8},
704 	{mmGB_TILE_MODE9},
705 	{mmGB_TILE_MODE10},
706 	{mmGB_TILE_MODE11},
707 	{mmGB_TILE_MODE12},
708 	{mmGB_TILE_MODE13},
709 	{mmGB_TILE_MODE14},
710 	{mmGB_TILE_MODE15},
711 	{mmGB_TILE_MODE16},
712 	{mmGB_TILE_MODE17},
713 	{mmGB_TILE_MODE18},
714 	{mmGB_TILE_MODE19},
715 	{mmGB_TILE_MODE20},
716 	{mmGB_TILE_MODE21},
717 	{mmGB_TILE_MODE22},
718 	{mmGB_TILE_MODE23},
719 	{mmGB_TILE_MODE24},
720 	{mmGB_TILE_MODE25},
721 	{mmGB_TILE_MODE26},
722 	{mmGB_TILE_MODE27},
723 	{mmGB_TILE_MODE28},
724 	{mmGB_TILE_MODE29},
725 	{mmGB_TILE_MODE30},
726 	{mmGB_TILE_MODE31},
727 	{mmGB_MACROTILE_MODE0},
728 	{mmGB_MACROTILE_MODE1},
729 	{mmGB_MACROTILE_MODE2},
730 	{mmGB_MACROTILE_MODE3},
731 	{mmGB_MACROTILE_MODE4},
732 	{mmGB_MACROTILE_MODE5},
733 	{mmGB_MACROTILE_MODE6},
734 	{mmGB_MACROTILE_MODE7},
735 	{mmGB_MACROTILE_MODE8},
736 	{mmGB_MACROTILE_MODE9},
737 	{mmGB_MACROTILE_MODE10},
738 	{mmGB_MACROTILE_MODE11},
739 	{mmGB_MACROTILE_MODE12},
740 	{mmGB_MACROTILE_MODE13},
741 	{mmGB_MACROTILE_MODE14},
742 	{mmGB_MACROTILE_MODE15},
743 	{mmCC_RB_BACKEND_DISABLE, true},
744 	{mmGC_USER_RB_BACKEND_DISABLE, true},
745 	{mmGB_BACKEND_MAP, false},
746 	{mmPA_SC_RASTER_CONFIG, true},
747 	{mmPA_SC_RASTER_CONFIG_1, true},
748 };
749 
750 static uint32_t vi_get_register_value(struct amdgpu_device *adev,
751 				      bool indexed, u32 se_num,
752 				      u32 sh_num, u32 reg_offset)
753 {
754 	if (indexed) {
755 		uint32_t val;
756 		unsigned se_idx = (se_num == 0xffffffff) ? 0 : se_num;
757 		unsigned sh_idx = (sh_num == 0xffffffff) ? 0 : sh_num;
758 
759 		switch (reg_offset) {
760 		case mmCC_RB_BACKEND_DISABLE:
761 			return adev->gfx.config.rb_config[se_idx][sh_idx].rb_backend_disable;
762 		case mmGC_USER_RB_BACKEND_DISABLE:
763 			return adev->gfx.config.rb_config[se_idx][sh_idx].user_rb_backend_disable;
764 		case mmPA_SC_RASTER_CONFIG:
765 			return adev->gfx.config.rb_config[se_idx][sh_idx].raster_config;
766 		case mmPA_SC_RASTER_CONFIG_1:
767 			return adev->gfx.config.rb_config[se_idx][sh_idx].raster_config_1;
768 		}
769 
770 		mutex_lock(&adev->grbm_idx_mutex);
771 		if (se_num != 0xffffffff || sh_num != 0xffffffff)
772 			amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff);
773 
774 		val = RREG32(reg_offset);
775 
776 		if (se_num != 0xffffffff || sh_num != 0xffffffff)
777 			amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
778 		mutex_unlock(&adev->grbm_idx_mutex);
779 		return val;
780 	} else {
781 		unsigned idx;
782 
783 		switch (reg_offset) {
784 		case mmGB_ADDR_CONFIG:
785 			return adev->gfx.config.gb_addr_config;
786 		case mmMC_ARB_RAMCFG:
787 			return adev->gfx.config.mc_arb_ramcfg;
788 		case mmGB_TILE_MODE0:
789 		case mmGB_TILE_MODE1:
790 		case mmGB_TILE_MODE2:
791 		case mmGB_TILE_MODE3:
792 		case mmGB_TILE_MODE4:
793 		case mmGB_TILE_MODE5:
794 		case mmGB_TILE_MODE6:
795 		case mmGB_TILE_MODE7:
796 		case mmGB_TILE_MODE8:
797 		case mmGB_TILE_MODE9:
798 		case mmGB_TILE_MODE10:
799 		case mmGB_TILE_MODE11:
800 		case mmGB_TILE_MODE12:
801 		case mmGB_TILE_MODE13:
802 		case mmGB_TILE_MODE14:
803 		case mmGB_TILE_MODE15:
804 		case mmGB_TILE_MODE16:
805 		case mmGB_TILE_MODE17:
806 		case mmGB_TILE_MODE18:
807 		case mmGB_TILE_MODE19:
808 		case mmGB_TILE_MODE20:
809 		case mmGB_TILE_MODE21:
810 		case mmGB_TILE_MODE22:
811 		case mmGB_TILE_MODE23:
812 		case mmGB_TILE_MODE24:
813 		case mmGB_TILE_MODE25:
814 		case mmGB_TILE_MODE26:
815 		case mmGB_TILE_MODE27:
816 		case mmGB_TILE_MODE28:
817 		case mmGB_TILE_MODE29:
818 		case mmGB_TILE_MODE30:
819 		case mmGB_TILE_MODE31:
820 			idx = (reg_offset - mmGB_TILE_MODE0);
821 			return adev->gfx.config.tile_mode_array[idx];
822 		case mmGB_MACROTILE_MODE0:
823 		case mmGB_MACROTILE_MODE1:
824 		case mmGB_MACROTILE_MODE2:
825 		case mmGB_MACROTILE_MODE3:
826 		case mmGB_MACROTILE_MODE4:
827 		case mmGB_MACROTILE_MODE5:
828 		case mmGB_MACROTILE_MODE6:
829 		case mmGB_MACROTILE_MODE7:
830 		case mmGB_MACROTILE_MODE8:
831 		case mmGB_MACROTILE_MODE9:
832 		case mmGB_MACROTILE_MODE10:
833 		case mmGB_MACROTILE_MODE11:
834 		case mmGB_MACROTILE_MODE12:
835 		case mmGB_MACROTILE_MODE13:
836 		case mmGB_MACROTILE_MODE14:
837 		case mmGB_MACROTILE_MODE15:
838 			idx = (reg_offset - mmGB_MACROTILE_MODE0);
839 			return adev->gfx.config.macrotile_mode_array[idx];
840 		default:
841 			return RREG32(reg_offset);
842 		}
843 	}
844 }
845 
846 static int vi_read_register(struct amdgpu_device *adev, u32 se_num,
847 			    u32 sh_num, u32 reg_offset, u32 *value)
848 {
849 	uint32_t i;
850 
851 	*value = 0;
852 	for (i = 0; i < ARRAY_SIZE(vi_allowed_read_registers); i++) {
853 		bool indexed = vi_allowed_read_registers[i].grbm_indexed;
854 
855 		if (reg_offset != vi_allowed_read_registers[i].reg_offset)
856 			continue;
857 
858 		*value = vi_get_register_value(adev, indexed, se_num, sh_num,
859 					       reg_offset);
860 		return 0;
861 	}
862 	return -EINVAL;
863 }
864 
865 /**
866  * vi_asic_pci_config_reset - soft reset GPU
867  *
868  * @adev: amdgpu_device pointer
869  *
870  * Use PCI Config method to reset the GPU.
871  *
872  * Returns 0 for success.
873  */
874 static int vi_asic_pci_config_reset(struct amdgpu_device *adev)
875 {
876 	u32 i;
877 	int r = -EINVAL;
878 
879 	amdgpu_atombios_scratch_regs_engine_hung(adev, true);
880 
881 	/* disable BM */
882 	pci_clear_master(adev->pdev);
883 	/* reset */
884 	amdgpu_device_pci_config_reset(adev);
885 
886 	udelay(100);
887 
888 	/* wait for asic to come out of reset */
889 	for (i = 0; i < adev->usec_timeout; i++) {
890 		if (RREG32(mmCONFIG_MEMSIZE) != 0xffffffff) {
891 			/* enable BM */
892 			pci_set_master(adev->pdev);
893 			adev->has_hw_reset = true;
894 			r = 0;
895 			break;
896 		}
897 		udelay(1);
898 	}
899 
900 	amdgpu_atombios_scratch_regs_engine_hung(adev, false);
901 
902 	return r;
903 }
904 
905 static bool vi_asic_supports_baco(struct amdgpu_device *adev)
906 {
907 	switch (adev->asic_type) {
908 	case CHIP_FIJI:
909 	case CHIP_TONGA:
910 	case CHIP_POLARIS10:
911 	case CHIP_POLARIS11:
912 	case CHIP_POLARIS12:
913 	case CHIP_TOPAZ:
914 		return amdgpu_dpm_is_baco_supported(adev);
915 	default:
916 		return false;
917 	}
918 }
919 
920 static enum amd_reset_method
921 vi_asic_reset_method(struct amdgpu_device *adev)
922 {
923 	bool baco_reset;
924 
925 	if (amdgpu_reset_method == AMD_RESET_METHOD_LEGACY ||
926 	    amdgpu_reset_method == AMD_RESET_METHOD_BACO)
927 		return amdgpu_reset_method;
928 
929 	if (amdgpu_reset_method != -1)
930 		dev_warn(adev->dev, "Specified reset method:%d isn't supported, using AUTO instead.\n",
931 				  amdgpu_reset_method);
932 
933 	switch (adev->asic_type) {
934 	case CHIP_FIJI:
935 	case CHIP_TONGA:
936 	case CHIP_POLARIS10:
937 	case CHIP_POLARIS11:
938 	case CHIP_POLARIS12:
939 	case CHIP_TOPAZ:
940 		baco_reset = amdgpu_dpm_is_baco_supported(adev);
941 		break;
942 	default:
943 		baco_reset = false;
944 		break;
945 	}
946 
947 	if (baco_reset)
948 		return AMD_RESET_METHOD_BACO;
949 	else
950 		return AMD_RESET_METHOD_LEGACY;
951 }
952 
953 /**
954  * vi_asic_reset - soft reset GPU
955  *
956  * @adev: amdgpu_device pointer
957  *
958  * Look up which blocks are hung and attempt
959  * to reset them.
960  * Returns 0 for success.
961  */
962 static int vi_asic_reset(struct amdgpu_device *adev)
963 {
964 	int r;
965 
966 	/* APUs don't have full asic reset */
967 	if (adev->flags & AMD_IS_APU)
968 		return 0;
969 
970 	if (vi_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) {
971 		dev_info(adev->dev, "BACO reset\n");
972 		r = amdgpu_dpm_baco_reset(adev);
973 	} else {
974 		dev_info(adev->dev, "PCI CONFIG reset\n");
975 		r = vi_asic_pci_config_reset(adev);
976 	}
977 
978 	return r;
979 }
980 
981 static u32 vi_get_config_memsize(struct amdgpu_device *adev)
982 {
983 	return RREG32(mmCONFIG_MEMSIZE);
984 }
985 
986 static int vi_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
987 			u32 cntl_reg, u32 status_reg)
988 {
989 	int r, i;
990 	struct atom_clock_dividers dividers;
991 	uint32_t tmp;
992 
993 	r = amdgpu_atombios_get_clock_dividers(adev,
994 					       COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
995 					       clock, false, &dividers);
996 	if (r)
997 		return r;
998 
999 	tmp = RREG32_SMC(cntl_reg);
1000 
1001 	if (adev->flags & AMD_IS_APU)
1002 		tmp &= ~CG_DCLK_CNTL__DCLK_DIVIDER_MASK;
1003 	else
1004 		tmp &= ~(CG_DCLK_CNTL__DCLK_DIR_CNTL_EN_MASK |
1005 				CG_DCLK_CNTL__DCLK_DIVIDER_MASK);
1006 	tmp |= dividers.post_divider;
1007 	WREG32_SMC(cntl_reg, tmp);
1008 
1009 	for (i = 0; i < 100; i++) {
1010 		tmp = RREG32_SMC(status_reg);
1011 		if (adev->flags & AMD_IS_APU) {
1012 			if (tmp & 0x10000)
1013 				break;
1014 		} else {
1015 			if (tmp & CG_DCLK_STATUS__DCLK_STATUS_MASK)
1016 				break;
1017 		}
1018 		mdelay(10);
1019 	}
1020 	if (i == 100)
1021 		return -ETIMEDOUT;
1022 	return 0;
1023 }
1024 
1025 #define ixGNB_CLK1_DFS_CNTL 0xD82200F0
1026 #define ixGNB_CLK1_STATUS   0xD822010C
1027 #define ixGNB_CLK2_DFS_CNTL 0xD8220110
1028 #define ixGNB_CLK2_STATUS   0xD822012C
1029 #define ixGNB_CLK3_DFS_CNTL 0xD8220130
1030 #define ixGNB_CLK3_STATUS   0xD822014C
1031 
1032 static int vi_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
1033 {
1034 	int r;
1035 
1036 	if (adev->flags & AMD_IS_APU) {
1037 		r = vi_set_uvd_clock(adev, vclk, ixGNB_CLK2_DFS_CNTL, ixGNB_CLK2_STATUS);
1038 		if (r)
1039 			return r;
1040 
1041 		r = vi_set_uvd_clock(adev, dclk, ixGNB_CLK1_DFS_CNTL, ixGNB_CLK1_STATUS);
1042 		if (r)
1043 			return r;
1044 	} else {
1045 		r = vi_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS);
1046 		if (r)
1047 			return r;
1048 
1049 		r = vi_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS);
1050 		if (r)
1051 			return r;
1052 	}
1053 
1054 	return 0;
1055 }
1056 
1057 static int vi_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
1058 {
1059 	int r, i;
1060 	struct atom_clock_dividers dividers;
1061 	u32 tmp;
1062 	u32 reg_ctrl;
1063 	u32 reg_status;
1064 	u32 status_mask;
1065 	u32 reg_mask;
1066 
1067 	if (adev->flags & AMD_IS_APU) {
1068 		reg_ctrl = ixGNB_CLK3_DFS_CNTL;
1069 		reg_status = ixGNB_CLK3_STATUS;
1070 		status_mask = 0x00010000;
1071 		reg_mask = CG_ECLK_CNTL__ECLK_DIVIDER_MASK;
1072 	} else {
1073 		reg_ctrl = ixCG_ECLK_CNTL;
1074 		reg_status = ixCG_ECLK_STATUS;
1075 		status_mask = CG_ECLK_STATUS__ECLK_STATUS_MASK;
1076 		reg_mask = CG_ECLK_CNTL__ECLK_DIR_CNTL_EN_MASK | CG_ECLK_CNTL__ECLK_DIVIDER_MASK;
1077 	}
1078 
1079 	r = amdgpu_atombios_get_clock_dividers(adev,
1080 					       COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
1081 					       ecclk, false, &dividers);
1082 	if (r)
1083 		return r;
1084 
1085 	for (i = 0; i < 100; i++) {
1086 		if (RREG32_SMC(reg_status) & status_mask)
1087 			break;
1088 		mdelay(10);
1089 	}
1090 
1091 	if (i == 100)
1092 		return -ETIMEDOUT;
1093 
1094 	tmp = RREG32_SMC(reg_ctrl);
1095 	tmp &= ~reg_mask;
1096 	tmp |= dividers.post_divider;
1097 	WREG32_SMC(reg_ctrl, tmp);
1098 
1099 	for (i = 0; i < 100; i++) {
1100 		if (RREG32_SMC(reg_status) & status_mask)
1101 			break;
1102 		mdelay(10);
1103 	}
1104 
1105 	if (i == 100)
1106 		return -ETIMEDOUT;
1107 
1108 	return 0;
1109 }
1110 
1111 static void vi_pcie_gen3_enable(struct amdgpu_device *adev)
1112 {
1113 	if (pci_is_root_bus(adev->pdev->bus))
1114 		return;
1115 
1116 	if (amdgpu_pcie_gen2 == 0)
1117 		return;
1118 
1119 	if (adev->flags & AMD_IS_APU)
1120 		return;
1121 
1122 	if (!(adev->pm.pcie_gen_mask & (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
1123 					CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)))
1124 		return;
1125 
1126 	/* todo */
1127 }
1128 
1129 static void vi_enable_aspm(struct amdgpu_device *adev)
1130 {
1131 	u32 data, orig;
1132 
1133 	orig = data = RREG32_PCIE(ixPCIE_LC_CNTL);
1134 	data |= PCIE_LC_CNTL__LC_L0S_INACTIVITY_DEFAULT <<
1135 			PCIE_LC_CNTL__LC_L0S_INACTIVITY__SHIFT;
1136 	data |= PCIE_LC_CNTL__LC_L1_INACTIVITY_DEFAULT <<
1137 			PCIE_LC_CNTL__LC_L1_INACTIVITY__SHIFT;
1138 	data &= ~PCIE_LC_CNTL__LC_PMI_TO_L1_DIS_MASK;
1139 	data |= PCIE_LC_CNTL__LC_DELAY_L1_EXIT_MASK;
1140 	if (orig != data)
1141 		WREG32_PCIE(ixPCIE_LC_CNTL, data);
1142 }
1143 
1144 static void vi_program_aspm(struct amdgpu_device *adev)
1145 {
1146 	u32 data, data1, orig;
1147 	bool bL1SS = false;
1148 	bool bClkReqSupport = true;
1149 
1150 	if (!amdgpu_device_should_use_aspm(adev) || !amdgpu_device_pcie_dynamic_switching_supported())
1151 		return;
1152 
1153 	if (adev->flags & AMD_IS_APU ||
1154 	    adev->asic_type < CHIP_POLARIS10)
1155 		return;
1156 
1157 	orig = data = RREG32_PCIE(ixPCIE_LC_CNTL);
1158 	data &= ~PCIE_LC_CNTL__LC_L1_INACTIVITY_MASK;
1159 	data &= ~PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK;
1160 	data |= PCIE_LC_CNTL__LC_PMI_TO_L1_DIS_MASK;
1161 	if (orig != data)
1162 		WREG32_PCIE(ixPCIE_LC_CNTL, data);
1163 
1164 	orig = data = RREG32_PCIE(ixPCIE_LC_N_FTS_CNTL);
1165 	data &= ~PCIE_LC_N_FTS_CNTL__LC_XMIT_N_FTS_MASK;
1166 	data |= 0x0024 << PCIE_LC_N_FTS_CNTL__LC_XMIT_N_FTS__SHIFT;
1167 	data |= PCIE_LC_N_FTS_CNTL__LC_XMIT_N_FTS_OVERRIDE_EN_MASK;
1168 	if (orig != data)
1169 		WREG32_PCIE(ixPCIE_LC_N_FTS_CNTL, data);
1170 
1171 	orig = data = RREG32_PCIE(ixPCIE_LC_CNTL3);
1172 	data |= PCIE_LC_CNTL3__LC_GO_TO_RECOVERY_MASK;
1173 	if (orig != data)
1174 		WREG32_PCIE(ixPCIE_LC_CNTL3, data);
1175 
1176 	orig = data = RREG32_PCIE(ixPCIE_P_CNTL);
1177 	data |= PCIE_P_CNTL__P_IGNORE_EDB_ERR_MASK;
1178 	if (orig != data)
1179 		WREG32_PCIE(ixPCIE_P_CNTL, data);
1180 
1181 	data = RREG32_PCIE(ixPCIE_LC_L1_PM_SUBSTATE);
1182 	pci_read_config_dword(adev->pdev, PCIE_L1_PM_SUB_CNTL, &data1);
1183 	if (data & PCIE_LC_L1_PM_SUBSTATE__LC_L1_SUBSTATES_OVERRIDE_EN_MASK &&
1184 	    (data & (PCIE_LC_L1_PM_SUBSTATE__LC_PCI_PM_L1_2_OVERRIDE_MASK |
1185 		    PCIE_LC_L1_PM_SUBSTATE__LC_PCI_PM_L1_1_OVERRIDE_MASK |
1186 			PCIE_LC_L1_PM_SUBSTATE__LC_ASPM_L1_2_OVERRIDE_MASK |
1187 			PCIE_LC_L1_PM_SUBSTATE__LC_ASPM_L1_1_OVERRIDE_MASK))) {
1188 		bL1SS = true;
1189 	} else if (data1 & (PCIE_L1_PM_SUB_CNTL__ASPM_L1_2_EN_MASK |
1190 	    PCIE_L1_PM_SUB_CNTL__ASPM_L1_1_EN_MASK |
1191 	    PCIE_L1_PM_SUB_CNTL__PCI_PM_L1_2_EN_MASK |
1192 	    PCIE_L1_PM_SUB_CNTL__PCI_PM_L1_1_EN_MASK)) {
1193 		bL1SS = true;
1194 	}
1195 
1196 	orig = data = RREG32_PCIE(ixPCIE_LC_CNTL6);
1197 	data |= PCIE_LC_CNTL6__LC_L1_POWERDOWN_MASK;
1198 	if (orig != data)
1199 		WREG32_PCIE(ixPCIE_LC_CNTL6, data);
1200 
1201 	orig = data = RREG32_PCIE(ixPCIE_LC_LINK_WIDTH_CNTL);
1202 	data |= PCIE_LC_LINK_WIDTH_CNTL__LC_DYN_LANES_PWR_STATE_MASK;
1203 	if (orig != data)
1204 		WREG32_PCIE(ixPCIE_LC_LINK_WIDTH_CNTL, data);
1205 
1206 	pci_read_config_dword(adev->pdev, LINK_CAP, &data);
1207 	if (!(data & PCIE_LINK_CAP__CLOCK_POWER_MANAGEMENT_MASK))
1208 		bClkReqSupport = false;
1209 
1210 	if (bClkReqSupport) {
1211 		orig = data = RREG32_SMC(ixTHM_CLK_CNTL);
1212 		data &= ~(THM_CLK_CNTL__CMON_CLK_SEL_MASK | THM_CLK_CNTL__TMON_CLK_SEL_MASK);
1213 		data |= (1 << THM_CLK_CNTL__CMON_CLK_SEL__SHIFT) |
1214 				(1 << THM_CLK_CNTL__TMON_CLK_SEL__SHIFT);
1215 		if (orig != data)
1216 			WREG32_SMC(ixTHM_CLK_CNTL, data);
1217 
1218 		orig = data = RREG32_SMC(ixMISC_CLK_CTRL);
1219 		data &= ~(MISC_CLK_CTRL__DEEP_SLEEP_CLK_SEL_MASK |
1220 			MISC_CLK_CTRL__ZCLK_SEL_MASK | MISC_CLK_CTRL__DFT_SMS_PG_CLK_SEL_MASK);
1221 		data |= (1 << MISC_CLK_CTRL__DEEP_SLEEP_CLK_SEL__SHIFT) |
1222 				(1 << MISC_CLK_CTRL__ZCLK_SEL__SHIFT);
1223 		data |= (0x20 << MISC_CLK_CTRL__DFT_SMS_PG_CLK_SEL__SHIFT);
1224 		if (orig != data)
1225 			WREG32_SMC(ixMISC_CLK_CTRL, data);
1226 
1227 		orig = data = RREG32_SMC(ixCG_CLKPIN_CNTL);
1228 		data |= CG_CLKPIN_CNTL__XTALIN_DIVIDE_MASK;
1229 		if (orig != data)
1230 			WREG32_SMC(ixCG_CLKPIN_CNTL, data);
1231 
1232 		orig = data = RREG32_SMC(ixCG_CLKPIN_CNTL_2);
1233 		data |= CG_CLKPIN_CNTL_2__ENABLE_XCLK_MASK;
1234 		if (orig != data)
1235 			WREG32_SMC(ixCG_CLKPIN_CNTL, data);
1236 
1237 		orig = data = RREG32_SMC(ixMPLL_BYPASSCLK_SEL);
1238 		data &= ~MPLL_BYPASSCLK_SEL__MPLL_CLKOUT_SEL_MASK;
1239 		data |= (4 << MPLL_BYPASSCLK_SEL__MPLL_CLKOUT_SEL__SHIFT);
1240 		if (orig != data)
1241 			WREG32_SMC(ixMPLL_BYPASSCLK_SEL, data);
1242 
1243 		orig = data = RREG32_PCIE(ixCPM_CONTROL);
1244 		data |= (CPM_CONTROL__REFCLK_XSTCLK_ENABLE_MASK |
1245 				CPM_CONTROL__CLKREQb_UNGATE_TXCLK_ENABLE_MASK);
1246 		if (orig != data)
1247 			WREG32_PCIE(ixCPM_CONTROL, data);
1248 
1249 		orig = data = RREG32_PCIE(ixPCIE_CONFIG_CNTL);
1250 		data &= ~PCIE_CONFIG_CNTL__DYN_CLK_LATENCY_MASK;
1251 		data |= (0xE << PCIE_CONFIG_CNTL__DYN_CLK_LATENCY__SHIFT);
1252 		if (orig != data)
1253 			WREG32_PCIE(ixPCIE_CONFIG_CNTL, data);
1254 
1255 		orig = data = RREG32(mmBIF_CLK_CTRL);
1256 		data |= BIF_CLK_CTRL__BIF_XSTCLK_READY_MASK;
1257 		if (orig != data)
1258 			WREG32(mmBIF_CLK_CTRL, data);
1259 
1260 		orig = data = RREG32_PCIE(ixPCIE_LC_CNTL7);
1261 		data |= PCIE_LC_CNTL7__LC_L1_SIDEBAND_CLKREQ_PDWN_EN_MASK;
1262 		if (orig != data)
1263 			WREG32_PCIE(ixPCIE_LC_CNTL7, data);
1264 
1265 		orig = data = RREG32_PCIE(ixPCIE_HW_DEBUG);
1266 		data |= PCIE_HW_DEBUG__HW_01_DEBUG_MASK;
1267 		if (orig != data)
1268 			WREG32_PCIE(ixPCIE_HW_DEBUG, data);
1269 
1270 		orig = data = RREG32_PCIE(ixPCIE_LC_CNTL2);
1271 		data |= PCIE_LC_CNTL2__LC_ALLOW_PDWN_IN_L23_MASK;
1272 		data |= PCIE_LC_CNTL2__LC_ALLOW_PDWN_IN_L1_MASK;
1273 		if (bL1SS)
1274 			data &= ~PCIE_LC_CNTL2__LC_ALLOW_PDWN_IN_L1_MASK;
1275 		if (orig != data)
1276 			WREG32_PCIE(ixPCIE_LC_CNTL2, data);
1277 
1278 	}
1279 
1280 	vi_enable_aspm(adev);
1281 
1282 	data = RREG32_PCIE(ixPCIE_LC_N_FTS_CNTL);
1283 	data1 = RREG32_PCIE(ixPCIE_LC_STATUS1);
1284 	if (((data & PCIE_LC_N_FTS_CNTL__LC_N_FTS_MASK) == PCIE_LC_N_FTS_CNTL__LC_N_FTS_MASK) &&
1285 	    data1 & PCIE_LC_STATUS1__LC_REVERSE_XMIT_MASK &&
1286 	    data1 & PCIE_LC_STATUS1__LC_REVERSE_RCVR_MASK) {
1287 		orig = data = RREG32_PCIE(ixPCIE_LC_CNTL);
1288 		data &= ~PCIE_LC_CNTL__LC_L0S_INACTIVITY_MASK;
1289 		if (orig != data)
1290 			WREG32_PCIE(ixPCIE_LC_CNTL, data);
1291 	}
1292 
1293 	if ((adev->asic_type == CHIP_POLARIS12 &&
1294 	    !(ASICID_IS_P23(adev->pdev->device, adev->pdev->revision))) ||
1295 	    ASIC_IS_P22(adev->asic_type, adev->external_rev_id)) {
1296 		orig = data = RREG32_PCIE(ixPCIE_LC_TRAINING_CNTL);
1297 		data &= ~PCIE_LC_TRAINING_CNTL__LC_DISABLE_TRAINING_BIT_ARCH_MASK;
1298 		if (orig != data)
1299 			WREG32_PCIE(ixPCIE_LC_TRAINING_CNTL, data);
1300 	}
1301 }
1302 
1303 static void vi_enable_doorbell_aperture(struct amdgpu_device *adev,
1304 					bool enable)
1305 {
1306 	u32 tmp;
1307 
1308 	/* not necessary on CZ */
1309 	if (adev->flags & AMD_IS_APU)
1310 		return;
1311 
1312 	tmp = RREG32(mmBIF_DOORBELL_APER_EN);
1313 	if (enable)
1314 		tmp = REG_SET_FIELD(tmp, BIF_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, 1);
1315 	else
1316 		tmp = REG_SET_FIELD(tmp, BIF_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, 0);
1317 
1318 	WREG32(mmBIF_DOORBELL_APER_EN, tmp);
1319 }
1320 
1321 #define ATI_REV_ID_FUSE_MACRO__ADDRESS      0xC0014044
1322 #define ATI_REV_ID_FUSE_MACRO__SHIFT        9
1323 #define ATI_REV_ID_FUSE_MACRO__MASK         0x00001E00
1324 
1325 static uint32_t vi_get_rev_id(struct amdgpu_device *adev)
1326 {
1327 	if (adev->flags & AMD_IS_APU)
1328 		return (RREG32_SMC(ATI_REV_ID_FUSE_MACRO__ADDRESS) & ATI_REV_ID_FUSE_MACRO__MASK)
1329 			>> ATI_REV_ID_FUSE_MACRO__SHIFT;
1330 	else
1331 		return (RREG32(mmPCIE_EFUSE4) & PCIE_EFUSE4__STRAP_BIF_ATI_REV_ID_MASK)
1332 			>> PCIE_EFUSE4__STRAP_BIF_ATI_REV_ID__SHIFT;
1333 }
1334 
1335 static void vi_flush_hdp(struct amdgpu_device *adev, struct amdgpu_ring *ring)
1336 {
1337 	if (!ring || !ring->funcs->emit_wreg) {
1338 		WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 1);
1339 		RREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL);
1340 	} else {
1341 		amdgpu_ring_emit_wreg(ring, mmHDP_MEM_COHERENCY_FLUSH_CNTL, 1);
1342 	}
1343 }
1344 
1345 static void vi_invalidate_hdp(struct amdgpu_device *adev,
1346 			      struct amdgpu_ring *ring)
1347 {
1348 	if (!ring || !ring->funcs->emit_wreg) {
1349 		WREG32(mmHDP_DEBUG0, 1);
1350 		RREG32(mmHDP_DEBUG0);
1351 	} else {
1352 		amdgpu_ring_emit_wreg(ring, mmHDP_DEBUG0, 1);
1353 	}
1354 }
1355 
1356 static bool vi_need_full_reset(struct amdgpu_device *adev)
1357 {
1358 	switch (adev->asic_type) {
1359 	case CHIP_CARRIZO:
1360 	case CHIP_STONEY:
1361 		/* CZ has hang issues with full reset at the moment */
1362 		return false;
1363 	case CHIP_FIJI:
1364 	case CHIP_TONGA:
1365 		/* XXX: soft reset should work on fiji and tonga */
1366 		return true;
1367 	case CHIP_POLARIS10:
1368 	case CHIP_POLARIS11:
1369 	case CHIP_POLARIS12:
1370 	case CHIP_TOPAZ:
1371 	default:
1372 		/* change this when we support soft reset */
1373 		return true;
1374 	}
1375 }
1376 
1377 static void vi_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
1378 			      uint64_t *count1)
1379 {
1380 	uint32_t perfctr = 0;
1381 	uint64_t cnt0_of, cnt1_of;
1382 	int tmp;
1383 
1384 	/* This reports 0 on APUs, so return to avoid writing/reading registers
1385 	 * that may or may not be different from their GPU counterparts
1386 	 */
1387 	if (adev->flags & AMD_IS_APU)
1388 		return;
1389 
1390 	/* Set the 2 events that we wish to watch, defined above */
1391 	/* Reg 40 is # received msgs, Reg 104 is # of posted requests sent */
1392 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT0_SEL, 40);
1393 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT1_SEL, 104);
1394 
1395 	/* Write to enable desired perf counters */
1396 	WREG32_PCIE(ixPCIE_PERF_CNTL_TXCLK, perfctr);
1397 	/* Zero out and enable the perf counters
1398 	 * Write 0x5:
1399 	 * Bit 0 = Start all counters(1)
1400 	 * Bit 2 = Global counter reset enable(1)
1401 	 */
1402 	WREG32_PCIE(ixPCIE_PERF_COUNT_CNTL, 0x00000005);
1403 
1404 	drm_msleep(1000);
1405 
1406 	/* Load the shadow and disable the perf counters
1407 	 * Write 0x2:
1408 	 * Bit 0 = Stop counters(0)
1409 	 * Bit 1 = Load the shadow counters(1)
1410 	 */
1411 	WREG32_PCIE(ixPCIE_PERF_COUNT_CNTL, 0x00000002);
1412 
1413 	/* Read register values to get any >32bit overflow */
1414 	tmp = RREG32_PCIE(ixPCIE_PERF_CNTL_TXCLK);
1415 	cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER0_UPPER);
1416 	cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER1_UPPER);
1417 
1418 	/* Get the values and add the overflow */
1419 	*count0 = RREG32_PCIE(ixPCIE_PERF_COUNT0_TXCLK) | (cnt0_of << 32);
1420 	*count1 = RREG32_PCIE(ixPCIE_PERF_COUNT1_TXCLK) | (cnt1_of << 32);
1421 }
1422 
1423 static uint64_t vi_get_pcie_replay_count(struct amdgpu_device *adev)
1424 {
1425 	uint64_t nak_r, nak_g;
1426 
1427 	/* Get the number of NAKs received and generated */
1428 	nak_r = RREG32_PCIE(ixPCIE_RX_NUM_NAK);
1429 	nak_g = RREG32_PCIE(ixPCIE_RX_NUM_NAK_GENERATED);
1430 
1431 	/* Add the total number of NAKs, i.e the number of replays */
1432 	return (nak_r + nak_g);
1433 }
1434 
1435 static bool vi_need_reset_on_init(struct amdgpu_device *adev)
1436 {
1437 	u32 clock_cntl, pc;
1438 
1439 	if (adev->flags & AMD_IS_APU)
1440 		return false;
1441 
1442 	/* check if the SMC is already running */
1443 	clock_cntl = RREG32_SMC(ixSMC_SYSCON_CLOCK_CNTL_0);
1444 	pc = RREG32_SMC(ixSMC_PC_C);
1445 	if ((0 == REG_GET_FIELD(clock_cntl, SMC_SYSCON_CLOCK_CNTL_0, ck_disable)) &&
1446 	    (0x20100 <= pc))
1447 		return true;
1448 
1449 	return false;
1450 }
1451 
1452 static void vi_pre_asic_init(struct amdgpu_device *adev)
1453 {
1454 }
1455 
1456 static const struct amdgpu_asic_funcs vi_asic_funcs =
1457 {
1458 	.read_disabled_bios = &vi_read_disabled_bios,
1459 	.read_bios_from_rom = &vi_read_bios_from_rom,
1460 	.read_register = &vi_read_register,
1461 	.reset = &vi_asic_reset,
1462 	.reset_method = &vi_asic_reset_method,
1463 	.set_vga_state = &vi_vga_set_state,
1464 	.get_xclk = &vi_get_xclk,
1465 	.set_uvd_clocks = &vi_set_uvd_clocks,
1466 	.set_vce_clocks = &vi_set_vce_clocks,
1467 	.get_config_memsize = &vi_get_config_memsize,
1468 	.flush_hdp = &vi_flush_hdp,
1469 	.invalidate_hdp = &vi_invalidate_hdp,
1470 	.need_full_reset = &vi_need_full_reset,
1471 	.init_doorbell_index = &legacy_doorbell_index_init,
1472 	.get_pcie_usage = &vi_get_pcie_usage,
1473 	.need_reset_on_init = &vi_need_reset_on_init,
1474 	.get_pcie_replay_count = &vi_get_pcie_replay_count,
1475 	.supports_baco = &vi_asic_supports_baco,
1476 	.pre_asic_init = &vi_pre_asic_init,
1477 	.query_video_codecs = &vi_query_video_codecs,
1478 };
1479 
1480 #define CZ_REV_BRISTOL(rev)	 \
1481 	((rev >= 0xC8 && rev <= 0xCE) || (rev >= 0xE1 && rev <= 0xE6))
1482 
1483 static int vi_common_early_init(void *handle)
1484 {
1485 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1486 
1487 	if (adev->flags & AMD_IS_APU) {
1488 		adev->smc_rreg = &cz_smc_rreg;
1489 		adev->smc_wreg = &cz_smc_wreg;
1490 	} else {
1491 		adev->smc_rreg = &vi_smc_rreg;
1492 		adev->smc_wreg = &vi_smc_wreg;
1493 	}
1494 	adev->pcie_rreg = &vi_pcie_rreg;
1495 	adev->pcie_wreg = &vi_pcie_wreg;
1496 	adev->uvd_ctx_rreg = &vi_uvd_ctx_rreg;
1497 	adev->uvd_ctx_wreg = &vi_uvd_ctx_wreg;
1498 	adev->didt_rreg = &vi_didt_rreg;
1499 	adev->didt_wreg = &vi_didt_wreg;
1500 	adev->gc_cac_rreg = &vi_gc_cac_rreg;
1501 	adev->gc_cac_wreg = &vi_gc_cac_wreg;
1502 
1503 	adev->asic_funcs = &vi_asic_funcs;
1504 
1505 	adev->rev_id = vi_get_rev_id(adev);
1506 	adev->external_rev_id = 0xFF;
1507 	switch (adev->asic_type) {
1508 	case CHIP_TOPAZ:
1509 		adev->cg_flags = 0;
1510 		adev->pg_flags = 0;
1511 		adev->external_rev_id = 0x1;
1512 		break;
1513 	case CHIP_FIJI:
1514 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1515 			AMD_CG_SUPPORT_GFX_MGLS |
1516 			AMD_CG_SUPPORT_GFX_RLC_LS |
1517 			AMD_CG_SUPPORT_GFX_CP_LS |
1518 			AMD_CG_SUPPORT_GFX_CGTS |
1519 			AMD_CG_SUPPORT_GFX_CGTS_LS |
1520 			AMD_CG_SUPPORT_GFX_CGCG |
1521 			AMD_CG_SUPPORT_GFX_CGLS |
1522 			AMD_CG_SUPPORT_SDMA_MGCG |
1523 			AMD_CG_SUPPORT_SDMA_LS |
1524 			AMD_CG_SUPPORT_BIF_LS |
1525 			AMD_CG_SUPPORT_HDP_MGCG |
1526 			AMD_CG_SUPPORT_HDP_LS |
1527 			AMD_CG_SUPPORT_ROM_MGCG |
1528 			AMD_CG_SUPPORT_MC_MGCG |
1529 			AMD_CG_SUPPORT_MC_LS |
1530 			AMD_CG_SUPPORT_UVD_MGCG;
1531 		adev->pg_flags = 0;
1532 		adev->external_rev_id = adev->rev_id + 0x3c;
1533 		break;
1534 	case CHIP_TONGA:
1535 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1536 			AMD_CG_SUPPORT_GFX_CGCG |
1537 			AMD_CG_SUPPORT_GFX_CGLS |
1538 			AMD_CG_SUPPORT_SDMA_MGCG |
1539 			AMD_CG_SUPPORT_SDMA_LS |
1540 			AMD_CG_SUPPORT_BIF_LS |
1541 			AMD_CG_SUPPORT_HDP_MGCG |
1542 			AMD_CG_SUPPORT_HDP_LS |
1543 			AMD_CG_SUPPORT_ROM_MGCG |
1544 			AMD_CG_SUPPORT_MC_MGCG |
1545 			AMD_CG_SUPPORT_MC_LS |
1546 			AMD_CG_SUPPORT_DRM_LS |
1547 			AMD_CG_SUPPORT_UVD_MGCG;
1548 		adev->pg_flags = 0;
1549 		adev->external_rev_id = adev->rev_id + 0x14;
1550 		break;
1551 	case CHIP_POLARIS11:
1552 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1553 			AMD_CG_SUPPORT_GFX_RLC_LS |
1554 			AMD_CG_SUPPORT_GFX_CP_LS |
1555 			AMD_CG_SUPPORT_GFX_CGCG |
1556 			AMD_CG_SUPPORT_GFX_CGLS |
1557 			AMD_CG_SUPPORT_GFX_3D_CGCG |
1558 			AMD_CG_SUPPORT_GFX_3D_CGLS |
1559 			AMD_CG_SUPPORT_SDMA_MGCG |
1560 			AMD_CG_SUPPORT_SDMA_LS |
1561 			AMD_CG_SUPPORT_BIF_MGCG |
1562 			AMD_CG_SUPPORT_BIF_LS |
1563 			AMD_CG_SUPPORT_HDP_MGCG |
1564 			AMD_CG_SUPPORT_HDP_LS |
1565 			AMD_CG_SUPPORT_ROM_MGCG |
1566 			AMD_CG_SUPPORT_MC_MGCG |
1567 			AMD_CG_SUPPORT_MC_LS |
1568 			AMD_CG_SUPPORT_DRM_LS |
1569 			AMD_CG_SUPPORT_UVD_MGCG |
1570 			AMD_CG_SUPPORT_VCE_MGCG;
1571 		adev->pg_flags = 0;
1572 		adev->external_rev_id = adev->rev_id + 0x5A;
1573 		break;
1574 	case CHIP_POLARIS10:
1575 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1576 			AMD_CG_SUPPORT_GFX_RLC_LS |
1577 			AMD_CG_SUPPORT_GFX_CP_LS |
1578 			AMD_CG_SUPPORT_GFX_CGCG |
1579 			AMD_CG_SUPPORT_GFX_CGLS |
1580 			AMD_CG_SUPPORT_GFX_3D_CGCG |
1581 			AMD_CG_SUPPORT_GFX_3D_CGLS |
1582 			AMD_CG_SUPPORT_SDMA_MGCG |
1583 			AMD_CG_SUPPORT_SDMA_LS |
1584 			AMD_CG_SUPPORT_BIF_MGCG |
1585 			AMD_CG_SUPPORT_BIF_LS |
1586 			AMD_CG_SUPPORT_HDP_MGCG |
1587 			AMD_CG_SUPPORT_HDP_LS |
1588 			AMD_CG_SUPPORT_ROM_MGCG |
1589 			AMD_CG_SUPPORT_MC_MGCG |
1590 			AMD_CG_SUPPORT_MC_LS |
1591 			AMD_CG_SUPPORT_DRM_LS |
1592 			AMD_CG_SUPPORT_UVD_MGCG |
1593 			AMD_CG_SUPPORT_VCE_MGCG;
1594 		adev->pg_flags = 0;
1595 		adev->external_rev_id = adev->rev_id + 0x50;
1596 		break;
1597 	case CHIP_POLARIS12:
1598 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1599 			AMD_CG_SUPPORT_GFX_RLC_LS |
1600 			AMD_CG_SUPPORT_GFX_CP_LS |
1601 			AMD_CG_SUPPORT_GFX_CGCG |
1602 			AMD_CG_SUPPORT_GFX_CGLS |
1603 			AMD_CG_SUPPORT_GFX_3D_CGCG |
1604 			AMD_CG_SUPPORT_GFX_3D_CGLS |
1605 			AMD_CG_SUPPORT_SDMA_MGCG |
1606 			AMD_CG_SUPPORT_SDMA_LS |
1607 			AMD_CG_SUPPORT_BIF_MGCG |
1608 			AMD_CG_SUPPORT_BIF_LS |
1609 			AMD_CG_SUPPORT_HDP_MGCG |
1610 			AMD_CG_SUPPORT_HDP_LS |
1611 			AMD_CG_SUPPORT_ROM_MGCG |
1612 			AMD_CG_SUPPORT_MC_MGCG |
1613 			AMD_CG_SUPPORT_MC_LS |
1614 			AMD_CG_SUPPORT_DRM_LS |
1615 			AMD_CG_SUPPORT_UVD_MGCG |
1616 			AMD_CG_SUPPORT_VCE_MGCG;
1617 		adev->pg_flags = 0;
1618 		adev->external_rev_id = adev->rev_id + 0x64;
1619 		break;
1620 	case CHIP_VEGAM:
1621 		adev->cg_flags = 0;
1622 			/*AMD_CG_SUPPORT_GFX_MGCG |
1623 			AMD_CG_SUPPORT_GFX_RLC_LS |
1624 			AMD_CG_SUPPORT_GFX_CP_LS |
1625 			AMD_CG_SUPPORT_GFX_CGCG |
1626 			AMD_CG_SUPPORT_GFX_CGLS |
1627 			AMD_CG_SUPPORT_GFX_3D_CGCG |
1628 			AMD_CG_SUPPORT_GFX_3D_CGLS |
1629 			AMD_CG_SUPPORT_SDMA_MGCG |
1630 			AMD_CG_SUPPORT_SDMA_LS |
1631 			AMD_CG_SUPPORT_BIF_MGCG |
1632 			AMD_CG_SUPPORT_BIF_LS |
1633 			AMD_CG_SUPPORT_HDP_MGCG |
1634 			AMD_CG_SUPPORT_HDP_LS |
1635 			AMD_CG_SUPPORT_ROM_MGCG |
1636 			AMD_CG_SUPPORT_MC_MGCG |
1637 			AMD_CG_SUPPORT_MC_LS |
1638 			AMD_CG_SUPPORT_DRM_LS |
1639 			AMD_CG_SUPPORT_UVD_MGCG |
1640 			AMD_CG_SUPPORT_VCE_MGCG;*/
1641 		adev->pg_flags = 0;
1642 		adev->external_rev_id = adev->rev_id + 0x6E;
1643 		break;
1644 	case CHIP_CARRIZO:
1645 		adev->cg_flags = AMD_CG_SUPPORT_UVD_MGCG |
1646 			AMD_CG_SUPPORT_GFX_MGCG |
1647 			AMD_CG_SUPPORT_GFX_MGLS |
1648 			AMD_CG_SUPPORT_GFX_RLC_LS |
1649 			AMD_CG_SUPPORT_GFX_CP_LS |
1650 			AMD_CG_SUPPORT_GFX_CGTS |
1651 			AMD_CG_SUPPORT_GFX_CGTS_LS |
1652 			AMD_CG_SUPPORT_GFX_CGCG |
1653 			AMD_CG_SUPPORT_GFX_CGLS |
1654 			AMD_CG_SUPPORT_BIF_LS |
1655 			AMD_CG_SUPPORT_HDP_MGCG |
1656 			AMD_CG_SUPPORT_HDP_LS |
1657 			AMD_CG_SUPPORT_SDMA_MGCG |
1658 			AMD_CG_SUPPORT_SDMA_LS |
1659 			AMD_CG_SUPPORT_VCE_MGCG;
1660 		/* rev0 hardware requires workarounds to support PG */
1661 		adev->pg_flags = 0;
1662 		if (adev->rev_id != 0x00 || CZ_REV_BRISTOL(adev->pdev->revision)) {
1663 			adev->pg_flags |= AMD_PG_SUPPORT_GFX_SMG |
1664 				AMD_PG_SUPPORT_GFX_PIPELINE |
1665 				AMD_PG_SUPPORT_CP |
1666 				AMD_PG_SUPPORT_UVD |
1667 				AMD_PG_SUPPORT_VCE;
1668 		}
1669 		adev->external_rev_id = adev->rev_id + 0x1;
1670 		break;
1671 	case CHIP_STONEY:
1672 		adev->cg_flags = AMD_CG_SUPPORT_UVD_MGCG |
1673 			AMD_CG_SUPPORT_GFX_MGCG |
1674 			AMD_CG_SUPPORT_GFX_MGLS |
1675 			AMD_CG_SUPPORT_GFX_RLC_LS |
1676 			AMD_CG_SUPPORT_GFX_CP_LS |
1677 			AMD_CG_SUPPORT_GFX_CGTS |
1678 			AMD_CG_SUPPORT_GFX_CGTS_LS |
1679 			AMD_CG_SUPPORT_GFX_CGLS |
1680 			AMD_CG_SUPPORT_BIF_LS |
1681 			AMD_CG_SUPPORT_HDP_MGCG |
1682 			AMD_CG_SUPPORT_HDP_LS |
1683 			AMD_CG_SUPPORT_SDMA_MGCG |
1684 			AMD_CG_SUPPORT_SDMA_LS |
1685 			AMD_CG_SUPPORT_VCE_MGCG;
1686 		adev->pg_flags = AMD_PG_SUPPORT_GFX_PG |
1687 			AMD_PG_SUPPORT_GFX_SMG |
1688 			AMD_PG_SUPPORT_GFX_PIPELINE |
1689 			AMD_PG_SUPPORT_CP |
1690 			AMD_PG_SUPPORT_UVD |
1691 			AMD_PG_SUPPORT_VCE;
1692 		adev->external_rev_id = adev->rev_id + 0x61;
1693 		break;
1694 	default:
1695 		/* FIXME: not supported yet */
1696 		return -EINVAL;
1697 	}
1698 
1699 	if (amdgpu_sriov_vf(adev)) {
1700 		amdgpu_virt_init_setting(adev);
1701 		xgpu_vi_mailbox_set_irq_funcs(adev);
1702 	}
1703 
1704 	return 0;
1705 }
1706 
1707 static int vi_common_late_init(void *handle)
1708 {
1709 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1710 
1711 	if (amdgpu_sriov_vf(adev))
1712 		xgpu_vi_mailbox_get_irq(adev);
1713 
1714 	return 0;
1715 }
1716 
1717 static int vi_common_sw_init(void *handle)
1718 {
1719 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1720 
1721 	if (amdgpu_sriov_vf(adev))
1722 		xgpu_vi_mailbox_add_irq_id(adev);
1723 
1724 	return 0;
1725 }
1726 
1727 static int vi_common_sw_fini(void *handle)
1728 {
1729 	return 0;
1730 }
1731 
1732 static int vi_common_hw_init(void *handle)
1733 {
1734 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1735 
1736 	/* move the golden regs per IP block */
1737 	vi_init_golden_registers(adev);
1738 	/* enable pcie gen2/3 link */
1739 	vi_pcie_gen3_enable(adev);
1740 	/* enable aspm */
1741 	vi_program_aspm(adev);
1742 	/* enable the doorbell aperture */
1743 	vi_enable_doorbell_aperture(adev, true);
1744 
1745 	return 0;
1746 }
1747 
1748 static int vi_common_hw_fini(void *handle)
1749 {
1750 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1751 
1752 	/* enable the doorbell aperture */
1753 	vi_enable_doorbell_aperture(adev, false);
1754 
1755 	if (amdgpu_sriov_vf(adev))
1756 		xgpu_vi_mailbox_put_irq(adev);
1757 
1758 	return 0;
1759 }
1760 
1761 static int vi_common_suspend(void *handle)
1762 {
1763 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1764 
1765 	return vi_common_hw_fini(adev);
1766 }
1767 
1768 static int vi_common_resume(void *handle)
1769 {
1770 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1771 
1772 	return vi_common_hw_init(adev);
1773 }
1774 
1775 static bool vi_common_is_idle(void *handle)
1776 {
1777 	return true;
1778 }
1779 
1780 static int vi_common_wait_for_idle(void *handle)
1781 {
1782 	return 0;
1783 }
1784 
1785 static int vi_common_soft_reset(void *handle)
1786 {
1787 	return 0;
1788 }
1789 
1790 static void vi_update_bif_medium_grain_light_sleep(struct amdgpu_device *adev,
1791 						   bool enable)
1792 {
1793 	uint32_t temp, data;
1794 
1795 	temp = data = RREG32_PCIE(ixPCIE_CNTL2);
1796 
1797 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS))
1798 		data |= PCIE_CNTL2__SLV_MEM_LS_EN_MASK |
1799 				PCIE_CNTL2__MST_MEM_LS_EN_MASK |
1800 				PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK;
1801 	else
1802 		data &= ~(PCIE_CNTL2__SLV_MEM_LS_EN_MASK |
1803 				PCIE_CNTL2__MST_MEM_LS_EN_MASK |
1804 				PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK);
1805 
1806 	if (temp != data)
1807 		WREG32_PCIE(ixPCIE_CNTL2, data);
1808 }
1809 
1810 static void vi_update_hdp_medium_grain_clock_gating(struct amdgpu_device *adev,
1811 						    bool enable)
1812 {
1813 	uint32_t temp, data;
1814 
1815 	temp = data = RREG32(mmHDP_HOST_PATH_CNTL);
1816 
1817 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_MGCG))
1818 		data &= ~HDP_HOST_PATH_CNTL__CLOCK_GATING_DIS_MASK;
1819 	else
1820 		data |= HDP_HOST_PATH_CNTL__CLOCK_GATING_DIS_MASK;
1821 
1822 	if (temp != data)
1823 		WREG32(mmHDP_HOST_PATH_CNTL, data);
1824 }
1825 
1826 static void vi_update_hdp_light_sleep(struct amdgpu_device *adev,
1827 				      bool enable)
1828 {
1829 	uint32_t temp, data;
1830 
1831 	temp = data = RREG32(mmHDP_MEM_POWER_LS);
1832 
1833 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
1834 		data |= HDP_MEM_POWER_LS__LS_ENABLE_MASK;
1835 	else
1836 		data &= ~HDP_MEM_POWER_LS__LS_ENABLE_MASK;
1837 
1838 	if (temp != data)
1839 		WREG32(mmHDP_MEM_POWER_LS, data);
1840 }
1841 
1842 static void vi_update_drm_light_sleep(struct amdgpu_device *adev,
1843 				      bool enable)
1844 {
1845 	uint32_t temp, data;
1846 
1847 	temp = data = RREG32(0x157a);
1848 
1849 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_LS))
1850 		data |= 1;
1851 	else
1852 		data &= ~1;
1853 
1854 	if (temp != data)
1855 		WREG32(0x157a, data);
1856 }
1857 
1858 
1859 static void vi_update_rom_medium_grain_clock_gating(struct amdgpu_device *adev,
1860 						    bool enable)
1861 {
1862 	uint32_t temp, data;
1863 
1864 	temp = data = RREG32_SMC(ixCGTT_ROM_CLK_CTRL0);
1865 
1866 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ROM_MGCG))
1867 		data &= ~(CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
1868 				CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK);
1869 	else
1870 		data |= CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
1871 				CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK;
1872 
1873 	if (temp != data)
1874 		WREG32_SMC(ixCGTT_ROM_CLK_CTRL0, data);
1875 }
1876 
1877 static int vi_common_set_clockgating_state_by_smu(void *handle,
1878 					   enum amd_clockgating_state state)
1879 {
1880 	uint32_t msg_id, pp_state = 0;
1881 	uint32_t pp_support_state = 0;
1882 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1883 
1884 	if (adev->cg_flags & (AMD_CG_SUPPORT_MC_LS | AMD_CG_SUPPORT_MC_MGCG)) {
1885 		if (adev->cg_flags & AMD_CG_SUPPORT_MC_LS) {
1886 			pp_support_state = PP_STATE_SUPPORT_LS;
1887 			pp_state = PP_STATE_LS;
1888 		}
1889 		if (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG) {
1890 			pp_support_state |= PP_STATE_SUPPORT_CG;
1891 			pp_state |= PP_STATE_CG;
1892 		}
1893 		if (state == AMD_CG_STATE_UNGATE)
1894 			pp_state = 0;
1895 		msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
1896 			       PP_BLOCK_SYS_MC,
1897 			       pp_support_state,
1898 			       pp_state);
1899 		amdgpu_dpm_set_clockgating_by_smu(adev, msg_id);
1900 	}
1901 
1902 	if (adev->cg_flags & (AMD_CG_SUPPORT_SDMA_LS | AMD_CG_SUPPORT_SDMA_MGCG)) {
1903 		if (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS) {
1904 			pp_support_state = PP_STATE_SUPPORT_LS;
1905 			pp_state = PP_STATE_LS;
1906 		}
1907 		if (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG) {
1908 			pp_support_state |= PP_STATE_SUPPORT_CG;
1909 			pp_state |= PP_STATE_CG;
1910 		}
1911 		if (state == AMD_CG_STATE_UNGATE)
1912 			pp_state = 0;
1913 		msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
1914 			       PP_BLOCK_SYS_SDMA,
1915 			       pp_support_state,
1916 			       pp_state);
1917 		amdgpu_dpm_set_clockgating_by_smu(adev, msg_id);
1918 	}
1919 
1920 	if (adev->cg_flags & (AMD_CG_SUPPORT_HDP_LS | AMD_CG_SUPPORT_HDP_MGCG)) {
1921 		if (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS) {
1922 			pp_support_state = PP_STATE_SUPPORT_LS;
1923 			pp_state = PP_STATE_LS;
1924 		}
1925 		if (adev->cg_flags & AMD_CG_SUPPORT_HDP_MGCG) {
1926 			pp_support_state |= PP_STATE_SUPPORT_CG;
1927 			pp_state |= PP_STATE_CG;
1928 		}
1929 		if (state == AMD_CG_STATE_UNGATE)
1930 			pp_state = 0;
1931 		msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
1932 			       PP_BLOCK_SYS_HDP,
1933 			       pp_support_state,
1934 			       pp_state);
1935 		amdgpu_dpm_set_clockgating_by_smu(adev, msg_id);
1936 	}
1937 
1938 
1939 	if (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS) {
1940 		if (state == AMD_CG_STATE_UNGATE)
1941 			pp_state = 0;
1942 		else
1943 			pp_state = PP_STATE_LS;
1944 
1945 		msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
1946 			       PP_BLOCK_SYS_BIF,
1947 			       PP_STATE_SUPPORT_LS,
1948 			        pp_state);
1949 		amdgpu_dpm_set_clockgating_by_smu(adev, msg_id);
1950 	}
1951 	if (adev->cg_flags & AMD_CG_SUPPORT_BIF_MGCG) {
1952 		if (state == AMD_CG_STATE_UNGATE)
1953 			pp_state = 0;
1954 		else
1955 			pp_state = PP_STATE_CG;
1956 
1957 		msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
1958 			       PP_BLOCK_SYS_BIF,
1959 			       PP_STATE_SUPPORT_CG,
1960 			       pp_state);
1961 		amdgpu_dpm_set_clockgating_by_smu(adev, msg_id);
1962 	}
1963 
1964 	if (adev->cg_flags & AMD_CG_SUPPORT_DRM_LS) {
1965 
1966 		if (state == AMD_CG_STATE_UNGATE)
1967 			pp_state = 0;
1968 		else
1969 			pp_state = PP_STATE_LS;
1970 
1971 		msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
1972 			       PP_BLOCK_SYS_DRM,
1973 			       PP_STATE_SUPPORT_LS,
1974 			       pp_state);
1975 		amdgpu_dpm_set_clockgating_by_smu(adev, msg_id);
1976 	}
1977 
1978 	if (adev->cg_flags & AMD_CG_SUPPORT_ROM_MGCG) {
1979 
1980 		if (state == AMD_CG_STATE_UNGATE)
1981 			pp_state = 0;
1982 		else
1983 			pp_state = PP_STATE_CG;
1984 
1985 		msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
1986 			       PP_BLOCK_SYS_ROM,
1987 			       PP_STATE_SUPPORT_CG,
1988 			       pp_state);
1989 		amdgpu_dpm_set_clockgating_by_smu(adev, msg_id);
1990 	}
1991 	return 0;
1992 }
1993 
1994 static int vi_common_set_clockgating_state(void *handle,
1995 					   enum amd_clockgating_state state)
1996 {
1997 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1998 
1999 	if (amdgpu_sriov_vf(adev))
2000 		return 0;
2001 
2002 	switch (adev->asic_type) {
2003 	case CHIP_FIJI:
2004 		vi_update_bif_medium_grain_light_sleep(adev,
2005 				state == AMD_CG_STATE_GATE);
2006 		vi_update_hdp_medium_grain_clock_gating(adev,
2007 				state == AMD_CG_STATE_GATE);
2008 		vi_update_hdp_light_sleep(adev,
2009 				state == AMD_CG_STATE_GATE);
2010 		vi_update_rom_medium_grain_clock_gating(adev,
2011 				state == AMD_CG_STATE_GATE);
2012 		break;
2013 	case CHIP_CARRIZO:
2014 	case CHIP_STONEY:
2015 		vi_update_bif_medium_grain_light_sleep(adev,
2016 				state == AMD_CG_STATE_GATE);
2017 		vi_update_hdp_medium_grain_clock_gating(adev,
2018 				state == AMD_CG_STATE_GATE);
2019 		vi_update_hdp_light_sleep(adev,
2020 				state == AMD_CG_STATE_GATE);
2021 		vi_update_drm_light_sleep(adev,
2022 				state == AMD_CG_STATE_GATE);
2023 		break;
2024 	case CHIP_TONGA:
2025 	case CHIP_POLARIS10:
2026 	case CHIP_POLARIS11:
2027 	case CHIP_POLARIS12:
2028 	case CHIP_VEGAM:
2029 		vi_common_set_clockgating_state_by_smu(adev, state);
2030 		break;
2031 	default:
2032 		break;
2033 	}
2034 	return 0;
2035 }
2036 
2037 static int vi_common_set_powergating_state(void *handle,
2038 					    enum amd_powergating_state state)
2039 {
2040 	return 0;
2041 }
2042 
2043 static void vi_common_get_clockgating_state(void *handle, u64 *flags)
2044 {
2045 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2046 	int data;
2047 
2048 	if (amdgpu_sriov_vf(adev))
2049 		*flags = 0;
2050 
2051 	/* AMD_CG_SUPPORT_BIF_LS */
2052 	data = RREG32_PCIE(ixPCIE_CNTL2);
2053 	if (data & PCIE_CNTL2__SLV_MEM_LS_EN_MASK)
2054 		*flags |= AMD_CG_SUPPORT_BIF_LS;
2055 
2056 	/* AMD_CG_SUPPORT_HDP_LS */
2057 	data = RREG32(mmHDP_MEM_POWER_LS);
2058 	if (data & HDP_MEM_POWER_LS__LS_ENABLE_MASK)
2059 		*flags |= AMD_CG_SUPPORT_HDP_LS;
2060 
2061 	/* AMD_CG_SUPPORT_HDP_MGCG */
2062 	data = RREG32(mmHDP_HOST_PATH_CNTL);
2063 	if (!(data & HDP_HOST_PATH_CNTL__CLOCK_GATING_DIS_MASK))
2064 		*flags |= AMD_CG_SUPPORT_HDP_MGCG;
2065 
2066 	/* AMD_CG_SUPPORT_ROM_MGCG */
2067 	data = RREG32_SMC(ixCGTT_ROM_CLK_CTRL0);
2068 	if (!(data & CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK))
2069 		*flags |= AMD_CG_SUPPORT_ROM_MGCG;
2070 }
2071 
2072 static const struct amd_ip_funcs vi_common_ip_funcs = {
2073 	.name = "vi_common",
2074 	.early_init = vi_common_early_init,
2075 	.late_init = vi_common_late_init,
2076 	.sw_init = vi_common_sw_init,
2077 	.sw_fini = vi_common_sw_fini,
2078 	.hw_init = vi_common_hw_init,
2079 	.hw_fini = vi_common_hw_fini,
2080 	.suspend = vi_common_suspend,
2081 	.resume = vi_common_resume,
2082 	.is_idle = vi_common_is_idle,
2083 	.wait_for_idle = vi_common_wait_for_idle,
2084 	.soft_reset = vi_common_soft_reset,
2085 	.set_clockgating_state = vi_common_set_clockgating_state,
2086 	.set_powergating_state = vi_common_set_powergating_state,
2087 	.get_clockgating_state = vi_common_get_clockgating_state,
2088 };
2089 
2090 static const struct amdgpu_ip_block_version vi_common_ip_block =
2091 {
2092 	.type = AMD_IP_BLOCK_TYPE_COMMON,
2093 	.major = 1,
2094 	.minor = 0,
2095 	.rev = 0,
2096 	.funcs = &vi_common_ip_funcs,
2097 };
2098 
2099 void vi_set_virt_ops(struct amdgpu_device *adev)
2100 {
2101 	adev->virt.ops = &xgpu_vi_virt_ops;
2102 }
2103 
2104 int vi_set_ip_blocks(struct amdgpu_device *adev)
2105 {
2106 	switch (adev->asic_type) {
2107 	case CHIP_TOPAZ:
2108 		/* topaz has no DCE, UVD, VCE */
2109 		amdgpu_device_ip_block_add(adev, &vi_common_ip_block);
2110 		amdgpu_device_ip_block_add(adev, &gmc_v7_4_ip_block);
2111 		amdgpu_device_ip_block_add(adev, &iceland_ih_ip_block);
2112 		amdgpu_device_ip_block_add(adev, &gfx_v8_0_ip_block);
2113 		amdgpu_device_ip_block_add(adev, &sdma_v2_4_ip_block);
2114 		amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
2115 		if (adev->enable_virtual_display)
2116 			amdgpu_device_ip_block_add(adev, &amdgpu_vkms_ip_block);
2117 		break;
2118 	case CHIP_FIJI:
2119 		amdgpu_device_ip_block_add(adev, &vi_common_ip_block);
2120 		amdgpu_device_ip_block_add(adev, &gmc_v8_5_ip_block);
2121 		amdgpu_device_ip_block_add(adev, &tonga_ih_ip_block);
2122 		amdgpu_device_ip_block_add(adev, &gfx_v8_0_ip_block);
2123 		amdgpu_device_ip_block_add(adev, &sdma_v3_0_ip_block);
2124 		amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
2125 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
2126 			amdgpu_device_ip_block_add(adev, &amdgpu_vkms_ip_block);
2127 #if defined(CONFIG_DRM_AMD_DC)
2128 		else if (amdgpu_device_has_dc_support(adev))
2129 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
2130 #endif
2131 		else
2132 			amdgpu_device_ip_block_add(adev, &dce_v10_1_ip_block);
2133 		if (!amdgpu_sriov_vf(adev)) {
2134 			amdgpu_device_ip_block_add(adev, &uvd_v6_0_ip_block);
2135 			amdgpu_device_ip_block_add(adev, &vce_v3_0_ip_block);
2136 		}
2137 		break;
2138 	case CHIP_TONGA:
2139 		amdgpu_device_ip_block_add(adev, &vi_common_ip_block);
2140 		amdgpu_device_ip_block_add(adev, &gmc_v8_0_ip_block);
2141 		amdgpu_device_ip_block_add(adev, &tonga_ih_ip_block);
2142 		amdgpu_device_ip_block_add(adev, &gfx_v8_0_ip_block);
2143 		amdgpu_device_ip_block_add(adev, &sdma_v3_0_ip_block);
2144 		amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
2145 		if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
2146 			amdgpu_device_ip_block_add(adev, &amdgpu_vkms_ip_block);
2147 #if defined(CONFIG_DRM_AMD_DC)
2148 		else if (amdgpu_device_has_dc_support(adev))
2149 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
2150 #endif
2151 		else
2152 			amdgpu_device_ip_block_add(adev, &dce_v10_0_ip_block);
2153 		if (!amdgpu_sriov_vf(adev)) {
2154 			amdgpu_device_ip_block_add(adev, &uvd_v5_0_ip_block);
2155 			amdgpu_device_ip_block_add(adev, &vce_v3_0_ip_block);
2156 		}
2157 		break;
2158 	case CHIP_POLARIS10:
2159 	case CHIP_POLARIS11:
2160 	case CHIP_POLARIS12:
2161 	case CHIP_VEGAM:
2162 		amdgpu_device_ip_block_add(adev, &vi_common_ip_block);
2163 		amdgpu_device_ip_block_add(adev, &gmc_v8_1_ip_block);
2164 		amdgpu_device_ip_block_add(adev, &tonga_ih_ip_block);
2165 		amdgpu_device_ip_block_add(adev, &gfx_v8_0_ip_block);
2166 		amdgpu_device_ip_block_add(adev, &sdma_v3_1_ip_block);
2167 		amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
2168 		if (adev->enable_virtual_display)
2169 			amdgpu_device_ip_block_add(adev, &amdgpu_vkms_ip_block);
2170 #if defined(CONFIG_DRM_AMD_DC)
2171 		else if (amdgpu_device_has_dc_support(adev))
2172 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
2173 #endif
2174 		else
2175 			amdgpu_device_ip_block_add(adev, &dce_v11_2_ip_block);
2176 		amdgpu_device_ip_block_add(adev, &uvd_v6_3_ip_block);
2177 		amdgpu_device_ip_block_add(adev, &vce_v3_4_ip_block);
2178 		break;
2179 	case CHIP_CARRIZO:
2180 		amdgpu_device_ip_block_add(adev, &vi_common_ip_block);
2181 		amdgpu_device_ip_block_add(adev, &gmc_v8_0_ip_block);
2182 		amdgpu_device_ip_block_add(adev, &cz_ih_ip_block);
2183 		amdgpu_device_ip_block_add(adev, &gfx_v8_0_ip_block);
2184 		amdgpu_device_ip_block_add(adev, &sdma_v3_0_ip_block);
2185 		amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
2186 		if (adev->enable_virtual_display)
2187 			amdgpu_device_ip_block_add(adev, &amdgpu_vkms_ip_block);
2188 #if defined(CONFIG_DRM_AMD_DC)
2189 		else if (amdgpu_device_has_dc_support(adev))
2190 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
2191 #endif
2192 		else
2193 			amdgpu_device_ip_block_add(adev, &dce_v11_0_ip_block);
2194 		amdgpu_device_ip_block_add(adev, &uvd_v6_0_ip_block);
2195 		amdgpu_device_ip_block_add(adev, &vce_v3_1_ip_block);
2196 #if defined(CONFIG_DRM_AMD_ACP)
2197 		amdgpu_device_ip_block_add(adev, &acp_ip_block);
2198 #endif
2199 		break;
2200 	case CHIP_STONEY:
2201 		amdgpu_device_ip_block_add(adev, &vi_common_ip_block);
2202 		amdgpu_device_ip_block_add(adev, &gmc_v8_0_ip_block);
2203 		amdgpu_device_ip_block_add(adev, &cz_ih_ip_block);
2204 		amdgpu_device_ip_block_add(adev, &gfx_v8_1_ip_block);
2205 		amdgpu_device_ip_block_add(adev, &sdma_v3_0_ip_block);
2206 		amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
2207 		if (adev->enable_virtual_display)
2208 			amdgpu_device_ip_block_add(adev, &amdgpu_vkms_ip_block);
2209 #if defined(CONFIG_DRM_AMD_DC)
2210 		else if (amdgpu_device_has_dc_support(adev))
2211 			amdgpu_device_ip_block_add(adev, &dm_ip_block);
2212 #endif
2213 		else
2214 			amdgpu_device_ip_block_add(adev, &dce_v11_0_ip_block);
2215 		amdgpu_device_ip_block_add(adev, &uvd_v6_2_ip_block);
2216 		amdgpu_device_ip_block_add(adev, &vce_v3_4_ip_block);
2217 #if defined(CONFIG_DRM_AMD_ACP)
2218 		amdgpu_device_ip_block_add(adev, &acp_ip_block);
2219 #endif
2220 		break;
2221 	default:
2222 		/* FIXME: not supported yet */
2223 		return -EINVAL;
2224 	}
2225 
2226 	return 0;
2227 }
2228 
2229 void legacy_doorbell_index_init(struct amdgpu_device *adev)
2230 {
2231 	adev->doorbell_index.kiq = AMDGPU_DOORBELL_KIQ;
2232 	adev->doorbell_index.mec_ring0 = AMDGPU_DOORBELL_MEC_RING0;
2233 	adev->doorbell_index.mec_ring1 = AMDGPU_DOORBELL_MEC_RING1;
2234 	adev->doorbell_index.mec_ring2 = AMDGPU_DOORBELL_MEC_RING2;
2235 	adev->doorbell_index.mec_ring3 = AMDGPU_DOORBELL_MEC_RING3;
2236 	adev->doorbell_index.mec_ring4 = AMDGPU_DOORBELL_MEC_RING4;
2237 	adev->doorbell_index.mec_ring5 = AMDGPU_DOORBELL_MEC_RING5;
2238 	adev->doorbell_index.mec_ring6 = AMDGPU_DOORBELL_MEC_RING6;
2239 	adev->doorbell_index.mec_ring7 = AMDGPU_DOORBELL_MEC_RING7;
2240 	adev->doorbell_index.gfx_ring0 = AMDGPU_DOORBELL_GFX_RING0;
2241 	adev->doorbell_index.sdma_engine[0] = AMDGPU_DOORBELL_sDMA_ENGINE0;
2242 	adev->doorbell_index.sdma_engine[1] = AMDGPU_DOORBELL_sDMA_ENGINE1;
2243 	adev->doorbell_index.ih = AMDGPU_DOORBELL_IH;
2244 	adev->doorbell_index.max_assignment = AMDGPU_DOORBELL_MAX_ASSIGNMENT;
2245 }
2246