xref: /linux/drivers/gpu/drm/amd/amdgpu/soc15.c (revision 570f7e331f5febb30f1384817463c7e42b65ca7d)
1 /*
2  * Copyright 2016 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 #include <linux/firmware.h>
24 #include <linux/slab.h>
25 #include <linux/module.h>
26 #include <linux/pci.h>
27 
28 #include <drm/amdgpu_drm.h>
29 
30 #include "amdgpu.h"
31 #include "amdgpu_ih.h"
32 #include "amdgpu_uvd.h"
33 #include "amdgpu_vce.h"
34 #include "amdgpu_ucode.h"
35 #include "amdgpu_psp.h"
36 #include "atom.h"
37 #include "amd_pcie.h"
38 
39 #include "uvd/uvd_7_0_offset.h"
40 #include "gc/gc_9_0_offset.h"
41 #include "gc/gc_9_0_sh_mask.h"
42 #include "sdma0/sdma0_4_0_offset.h"
43 #include "sdma1/sdma1_4_0_offset.h"
44 #include "nbio/nbio_7_0_default.h"
45 #include "nbio/nbio_7_0_offset.h"
46 #include "nbio/nbio_7_0_sh_mask.h"
47 #include "nbio/nbio_7_0_smn.h"
48 #include "mp/mp_9_0_offset.h"
49 
50 #include "soc15.h"
51 #include "soc15_common.h"
52 #include "gfx_v9_0.h"
53 #include "gmc_v9_0.h"
54 #include "gfxhub_v1_0.h"
55 #include "mmhub_v1_0.h"
56 #include "df_v1_7.h"
57 #include "df_v3_6.h"
58 #include "nbio_v6_1.h"
59 #include "nbio_v7_0.h"
60 #include "nbio_v7_4.h"
61 #include "hdp_v4_0.h"
62 #include "vega10_ih.h"
63 #include "vega20_ih.h"
64 #include "navi10_ih.h"
65 #include "sdma_v4_0.h"
66 #include "uvd_v7_0.h"
67 #include "vce_v4_0.h"
68 #include "vcn_v1_0.h"
69 #include "vcn_v2_0.h"
70 #include "jpeg_v2_0.h"
71 #include "vcn_v2_5.h"
72 #include "jpeg_v2_5.h"
73 #include "smuio_v9_0.h"
74 #include "smuio_v11_0.h"
75 #include "smuio_v13_0.h"
76 #include "amdgpu_vkms.h"
77 #include "mxgpu_ai.h"
78 #include "amdgpu_ras.h"
79 #include "amdgpu_xgmi.h"
80 #include "amdgpu_video_codecs.h"
81 #include <uapi/linux/kfd_ioctl.h>
82 
83 #define mmMP0_MISC_CGTT_CTRL0                                                                   0x01b9
84 #define mmMP0_MISC_CGTT_CTRL0_BASE_IDX                                                          0
85 #define mmMP0_MISC_LIGHT_SLEEP_CTRL                                                             0x01ba
86 #define mmMP0_MISC_LIGHT_SLEEP_CTRL_BASE_IDX                                                    0
87 
88 static const struct amd_ip_funcs soc15_common_ip_funcs;
89 
90 /* Vega, Raven, Arcturus */
91 static const struct amdgpu_video_codec_info vega_video_codecs_encode_array[] =
92 {
93 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4096, 0)},
94 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 4096, 4096, 0)},
95 };
96 
97 static const struct amdgpu_video_codecs vega_video_codecs_encode =
98 {
99 	.codec_count = ARRAY_SIZE(vega_video_codecs_encode_array),
100 	.codec_array = vega_video_codecs_encode_array,
101 };
102 
103 /* Vega */
104 static const struct amdgpu_video_codec_info vega_video_codecs_decode_array[] =
105 {
106 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, 1920, 1088, 3)},
107 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, 1920, 1088, 5)},
108 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4096, 52)},
109 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, 1920, 1088, 4)},
110 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 4096, 4096, 186)},
111 };
112 
113 static const struct amdgpu_video_codecs vega_video_codecs_decode =
114 {
115 	.codec_count = ARRAY_SIZE(vega_video_codecs_decode_array),
116 	.codec_array = vega_video_codecs_decode_array,
117 };
118 
119 /* Raven */
120 static const struct amdgpu_video_codec_info rv_video_codecs_decode_array[] =
121 {
122 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, 1920, 1088, 3)},
123 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, 1920, 1088, 5)},
124 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4096, 52)},
125 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, 1920, 1088, 4)},
126 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 4096, 4096, 186)},
127 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 8192, 8192, 0)},
128 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, 4096, 4096, 0)},
129 };
130 
131 static const struct amdgpu_video_codecs rv_video_codecs_decode =
132 {
133 	.codec_count = ARRAY_SIZE(rv_video_codecs_decode_array),
134 	.codec_array = rv_video_codecs_decode_array,
135 };
136 
137 /* Renoir, Arcturus */
138 static const struct amdgpu_video_codec_info rn_video_codecs_decode_array[] =
139 {
140 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2, 1920, 1088, 3)},
141 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4, 1920, 1088, 5)},
142 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4096, 52)},
143 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1, 1920, 1088, 4)},
144 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 8192, 4352, 186)},
145 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 16384, 16384, 0)},
146 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, 8192, 4352, 0)},
147 };
148 
149 static const struct amdgpu_video_codecs rn_video_codecs_decode =
150 {
151 	.codec_count = ARRAY_SIZE(rn_video_codecs_decode_array),
152 	.codec_array = rn_video_codecs_decode_array,
153 };
154 
155 static const struct amdgpu_video_codec_info vcn_4_0_3_video_codecs_decode_array[] = {
156 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4096, 52)},
157 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 8192, 4352, 186)},
158 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 16384, 16384, 0)},
159 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, 8192, 4352, 0)},
160 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1, 8192, 4352, 0)},
161 };
162 
163 static const struct amdgpu_video_codecs vcn_4_0_3_video_codecs_decode = {
164 	.codec_count = ARRAY_SIZE(vcn_4_0_3_video_codecs_decode_array),
165 	.codec_array = vcn_4_0_3_video_codecs_decode_array,
166 };
167 
168 static const struct amdgpu_video_codecs vcn_4_0_3_video_codecs_encode = {
169 	.codec_count = 0,
170 	.codec_array = NULL,
171 };
172 
173 static const struct amdgpu_video_codecs vcn_5_0_1_video_codecs_encode_vcn0 = {
174 	.codec_count = 0,
175 	.codec_array = NULL,
176 };
177 
178 static const struct amdgpu_video_codec_info vcn_5_0_1_video_codecs_decode_array_vcn0[] = {
179 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC, 4096, 4096, 52)},
180 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC, 8192, 4352, 186)},
181 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG, 16384, 16384, 0)},
182 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9, 8192, 4352, 0)},
183 	{codec_info_build(AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1, 8192, 4352, 0)},
184 };
185 
186 static const struct amdgpu_video_codecs vcn_5_0_1_video_codecs_decode_vcn0 = {
187 	.codec_count = ARRAY_SIZE(vcn_5_0_1_video_codecs_decode_array_vcn0),
188 	.codec_array = vcn_5_0_1_video_codecs_decode_array_vcn0,
189 };
190 
191 static int soc15_query_video_codecs(struct amdgpu_device *adev, bool encode,
192 				    const struct amdgpu_video_codecs **codecs)
193 {
194 	if (amdgpu_ip_version(adev, VCE_HWIP, 0)) {
195 		switch (amdgpu_ip_version(adev, VCE_HWIP, 0)) {
196 		case IP_VERSION(4, 0, 0):
197 		case IP_VERSION(4, 1, 0):
198 			if (encode)
199 				*codecs = &vega_video_codecs_encode;
200 			else
201 				*codecs = &vega_video_codecs_decode;
202 			return 0;
203 		default:
204 			return -EINVAL;
205 		}
206 	} else {
207 		switch (amdgpu_ip_version(adev, UVD_HWIP, 0)) {
208 		case IP_VERSION(1, 0, 0):
209 		case IP_VERSION(1, 0, 1):
210 			if (encode)
211 				*codecs = &vega_video_codecs_encode;
212 			else
213 				*codecs = &rv_video_codecs_decode;
214 			return 0;
215 		case IP_VERSION(2, 5, 0):
216 		case IP_VERSION(2, 6, 0):
217 		case IP_VERSION(2, 2, 0):
218 			if (encode)
219 				*codecs = &vega_video_codecs_encode;
220 			else
221 				*codecs = &rn_video_codecs_decode;
222 			return 0;
223 		case IP_VERSION(4, 0, 3):
224 			if (encode)
225 				*codecs = &vcn_4_0_3_video_codecs_encode;
226 			else
227 				*codecs = &vcn_4_0_3_video_codecs_decode;
228 			return 0;
229 		case IP_VERSION(5, 0, 1):
230 			if (encode)
231 				*codecs = &vcn_5_0_1_video_codecs_encode_vcn0;
232 			else
233 				*codecs = &vcn_5_0_1_video_codecs_decode_vcn0;
234 			return 0;
235 		default:
236 			return -EINVAL;
237 		}
238 	}
239 }
240 
241 static u32 soc15_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg)
242 {
243 	unsigned long flags, address, data;
244 	u32 r;
245 
246 	address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX);
247 	data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA);
248 
249 	spin_lock_irqsave(&adev->reg.uvd_ctx.lock, flags);
250 	WREG32(address, ((reg) & 0x1ff));
251 	r = RREG32(data);
252 	spin_unlock_irqrestore(&adev->reg.uvd_ctx.lock, flags);
253 	return r;
254 }
255 
256 static void soc15_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
257 {
258 	unsigned long flags, address, data;
259 
260 	address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX);
261 	data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA);
262 
263 	spin_lock_irqsave(&adev->reg.uvd_ctx.lock, flags);
264 	WREG32(address, ((reg) & 0x1ff));
265 	WREG32(data, (v));
266 	spin_unlock_irqrestore(&adev->reg.uvd_ctx.lock, flags);
267 }
268 
269 static u32 soc15_didt_rreg(struct amdgpu_device *adev, u32 reg)
270 {
271 	unsigned long flags, address, data;
272 	u32 r;
273 
274 	address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
275 	data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
276 
277 	spin_lock_irqsave(&adev->reg.didt.lock, flags);
278 	WREG32(address, (reg));
279 	r = RREG32(data);
280 	spin_unlock_irqrestore(&adev->reg.didt.lock, flags);
281 	return r;
282 }
283 
284 static void soc15_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
285 {
286 	unsigned long flags, address, data;
287 
288 	address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
289 	data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
290 
291 	spin_lock_irqsave(&adev->reg.didt.lock, flags);
292 	WREG32(address, (reg));
293 	WREG32(data, (v));
294 	spin_unlock_irqrestore(&adev->reg.didt.lock, flags);
295 }
296 
297 static u32 soc15_gc_cac_rreg(struct amdgpu_device *adev, u32 reg)
298 {
299 	unsigned long flags;
300 	u32 r;
301 
302 	spin_lock_irqsave(&adev->reg.gc_cac.lock, flags);
303 	WREG32_SOC15(GC, 0, mmGC_CAC_IND_INDEX, (reg));
304 	r = RREG32_SOC15(GC, 0, mmGC_CAC_IND_DATA);
305 	spin_unlock_irqrestore(&adev->reg.gc_cac.lock, flags);
306 	return r;
307 }
308 
309 static void soc15_gc_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
310 {
311 	unsigned long flags;
312 
313 	spin_lock_irqsave(&adev->reg.gc_cac.lock, flags);
314 	WREG32_SOC15(GC, 0, mmGC_CAC_IND_INDEX, (reg));
315 	WREG32_SOC15(GC, 0, mmGC_CAC_IND_DATA, (v));
316 	spin_unlock_irqrestore(&adev->reg.gc_cac.lock, flags);
317 }
318 
319 static u32 soc15_se_cac_rreg(struct amdgpu_device *adev, u32 reg)
320 {
321 	unsigned long flags;
322 	u32 r;
323 
324 	spin_lock_irqsave(&adev->reg.se_cac.lock, flags);
325 	WREG32_SOC15(GC, 0, mmSE_CAC_IND_INDEX, (reg));
326 	r = RREG32_SOC15(GC, 0, mmSE_CAC_IND_DATA);
327 	spin_unlock_irqrestore(&adev->reg.se_cac.lock, flags);
328 	return r;
329 }
330 
331 static void soc15_se_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
332 {
333 	unsigned long flags;
334 
335 	spin_lock_irqsave(&adev->reg.se_cac.lock, flags);
336 	WREG32_SOC15(GC, 0, mmSE_CAC_IND_INDEX, (reg));
337 	WREG32_SOC15(GC, 0, mmSE_CAC_IND_DATA, (v));
338 	spin_unlock_irqrestore(&adev->reg.se_cac.lock, flags);
339 }
340 
341 static u32 soc15_get_config_memsize(struct amdgpu_device *adev)
342 {
343 	return adev->nbio.funcs->get_memsize(adev);
344 }
345 
346 static u32 soc15_get_xclk(struct amdgpu_device *adev)
347 {
348 	u32 reference_clock = adev->clock.spll.reference_freq;
349 
350 	if (amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(12, 0, 0) ||
351 	    amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(12, 0, 1) ||
352 	    amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 6) ||
353 	    amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 12) ||
354 	    amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(13, 0, 14))
355 		return 10000;
356 	if (amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(10, 0, 0) ||
357 	    amdgpu_ip_version(adev, MP1_HWIP, 0) == IP_VERSION(10, 0, 1))
358 		return reference_clock / 4;
359 
360 	return reference_clock;
361 }
362 
363 
364 void soc15_grbm_select(struct amdgpu_device *adev,
365 		     u32 me, u32 pipe, u32 queue, u32 vmid, int xcc_id)
366 {
367 	u32 grbm_gfx_cntl = 0;
368 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, PIPEID, pipe);
369 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, MEID, me);
370 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, VMID, vmid);
371 	grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, QUEUEID, queue);
372 
373 	WREG32_SOC15_RLC_SHADOW(GC, xcc_id, mmGRBM_GFX_CNTL, grbm_gfx_cntl);
374 }
375 
376 static bool soc15_read_disabled_bios(struct amdgpu_device *adev)
377 {
378 	/* todo */
379 	return false;
380 }
381 
382 static struct soc15_allowed_register_entry soc15_allowed_read_registers[] = {
383 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS)},
384 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS2)},
385 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE0)},
386 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE1)},
387 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE2)},
388 	{ SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE3)},
389 	{ SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_STATUS_REG)},
390 	{ SOC15_REG_ENTRY(SDMA1, 0, mmSDMA1_STATUS_REG)},
391 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STAT)},
392 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT1)},
393 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT2)},
394 	{ SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT3)},
395 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPF_BUSY_STAT)},
396 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STALLED_STAT1)},
397 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STATUS)},
398 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPC_BUSY_STAT)},
399 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STALLED_STAT1)},
400 	{ SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STATUS)},
401 	{ SOC15_REG_ENTRY(GC, 0, mmGB_ADDR_CONFIG)},
402 	{ SOC15_REG_ENTRY(GC, 0, mmDB_DEBUG2)},
403 };
404 
405 static uint32_t soc15_get_register_value(struct amdgpu_device *adev,
406 					 bool indexed, u32 se_num,
407 					 u32 sh_num, u32 reg_offset)
408 {
409 	if (indexed) {
410 		return amdgpu_read_indexed_register(adev, se_num, sh_num, reg_offset);
411 	} else {
412 		if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmGB_ADDR_CONFIG))
413 			return adev->gfx.config.gb_addr_config;
414 		else if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmDB_DEBUG2))
415 			return adev->gfx.config.db_debug2;
416 		return RREG32(reg_offset);
417 	}
418 }
419 
420 static int soc15_read_register(struct amdgpu_device *adev, u32 se_num,
421 			    u32 sh_num, u32 reg_offset, u32 *value)
422 {
423 	uint32_t i;
424 	struct soc15_allowed_register_entry  *en;
425 
426 	*value = 0;
427 	for (i = 0; i < ARRAY_SIZE(soc15_allowed_read_registers); i++) {
428 		en = &soc15_allowed_read_registers[i];
429 		if (!adev->reg_offset[en->hwip][en->inst])
430 			continue;
431 		else if (reg_offset != (adev->reg_offset[en->hwip][en->inst][en->seg]
432 					+ en->reg_offset))
433 			continue;
434 
435 		*value = soc15_get_register_value(adev,
436 						  soc15_allowed_read_registers[i].grbm_indexed,
437 						  se_num, sh_num, reg_offset);
438 		return 0;
439 	}
440 	return -EINVAL;
441 }
442 
443 
444 /**
445  * soc15_program_register_sequence - program an array of registers.
446  *
447  * @adev: amdgpu_device pointer
448  * @regs: pointer to the register array
449  * @array_size: size of the register array
450  *
451  * Programs an array or registers with and and or masks.
452  * This is a helper for setting golden registers.
453  */
454 
455 void soc15_program_register_sequence(struct amdgpu_device *adev,
456 					     const struct soc15_reg_golden *regs,
457 					     const u32 array_size)
458 {
459 	const struct soc15_reg_golden *entry;
460 	u32 tmp, reg;
461 	int i;
462 
463 	for (i = 0; i < array_size; ++i) {
464 		entry = &regs[i];
465 		reg =  adev->reg_offset[entry->hwip][entry->instance][entry->segment] + entry->reg;
466 
467 		if (entry->and_mask == 0xffffffff) {
468 			tmp = entry->or_mask;
469 		} else {
470 			tmp = (entry->hwip == GC_HWIP) ?
471 				RREG32_SOC15_IP(GC, reg) : RREG32(reg);
472 
473 			tmp &= ~(entry->and_mask);
474 			tmp |= (entry->or_mask & entry->and_mask);
475 		}
476 
477 		if (reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_BINNER_EVENT_CNTL_3) ||
478 			reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_ENHANCE) ||
479 			reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_ENHANCE_1) ||
480 			reg == SOC15_REG_OFFSET(GC, 0, mmSH_MEM_CONFIG))
481 			WREG32_RLC(reg, tmp);
482 		else
483 			(entry->hwip == GC_HWIP) ?
484 				WREG32_SOC15_IP(GC, reg, tmp) : WREG32(reg, tmp);
485 
486 	}
487 
488 }
489 
490 static int soc15_asic_baco_reset(struct amdgpu_device *adev)
491 {
492 	struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
493 	int ret = 0;
494 
495 	/* avoid NBIF got stuck when do RAS recovery in BACO reset */
496 	if (ras && adev->ras_enabled)
497 		adev->nbio.funcs->enable_doorbell_interrupt(adev, false);
498 
499 	ret = amdgpu_dpm_baco_reset(adev);
500 	if (ret)
501 		return ret;
502 
503 	/* re-enable doorbell interrupt after BACO exit */
504 	if (ras && adev->ras_enabled)
505 		adev->nbio.funcs->enable_doorbell_interrupt(adev, true);
506 
507 	return 0;
508 }
509 
510 static enum amd_reset_method
511 soc15_asic_reset_method(struct amdgpu_device *adev)
512 {
513 	int baco_reset = 0;
514 	bool connected_to_cpu = false;
515 	struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
516 
517         if (adev->gmc.xgmi.supported && adev->gmc.xgmi.connected_to_cpu)
518                 connected_to_cpu = true;
519 
520 	if (amdgpu_reset_method == AMD_RESET_METHOD_MODE1 ||
521 	    amdgpu_reset_method == AMD_RESET_METHOD_MODE2 ||
522 	    amdgpu_reset_method == AMD_RESET_METHOD_BACO ||
523 	    amdgpu_reset_method == AMD_RESET_METHOD_PCI) {
524 		/* If connected to cpu, driver only support mode2 */
525                 if (connected_to_cpu)
526                         return AMD_RESET_METHOD_MODE2;
527                 return amdgpu_reset_method;
528         }
529 
530 	if (amdgpu_reset_method != -1)
531 		dev_warn(adev->dev, "Specified reset method:%d isn't supported, using AUTO instead.\n",
532 				  amdgpu_reset_method);
533 
534 	switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
535 	case IP_VERSION(10, 0, 0):
536 	case IP_VERSION(10, 0, 1):
537 	case IP_VERSION(12, 0, 0):
538 	case IP_VERSION(12, 0, 1):
539 		return AMD_RESET_METHOD_MODE2;
540 	case IP_VERSION(9, 0, 0):
541 	case IP_VERSION(11, 0, 2):
542 		if (adev->asic_type == CHIP_VEGA20) {
543 			if (adev->psp.sos.fw_version >= 0x80067)
544 				baco_reset = amdgpu_dpm_is_baco_supported(adev);
545 			/*
546 			 * 1. PMFW version > 0x284300: all cases use baco
547 			 * 2. PMFW version <= 0x284300: only sGPU w/o RAS use baco
548 			 */
549 			if (ras && adev->ras_enabled &&
550 			    adev->pm.fw_version <= 0x283400)
551 				baco_reset = 0;
552 		} else {
553 			baco_reset = amdgpu_dpm_is_baco_supported(adev);
554 		}
555 		break;
556 	case IP_VERSION(13, 0, 2):
557 		 /*
558 		 * 1.connected to cpu: driver issue mode2 reset
559 		 * 2.discret gpu: driver issue mode1 reset
560 		 */
561 		if (connected_to_cpu)
562 			return AMD_RESET_METHOD_MODE2;
563 		break;
564 	case IP_VERSION(13, 0, 6):
565 	case IP_VERSION(13, 0, 14):
566 	case IP_VERSION(13, 0, 12):
567 		/* Use gpu_recovery param to target a reset method.
568 		 * Enable triggering of GPU reset only if specified
569 		 * by module parameter.
570 		 */
571 		if (adev->pcie_reset_ctx.in_link_reset)
572 			return AMD_RESET_METHOD_LINK;
573 		if (amdgpu_gpu_recovery == 4 || amdgpu_gpu_recovery == 5)
574 			return AMD_RESET_METHOD_MODE2;
575 		else if (!(adev->flags & AMD_IS_APU))
576 			return AMD_RESET_METHOD_MODE1;
577 		else
578 			return AMD_RESET_METHOD_MODE2;
579 	default:
580 		break;
581 	}
582 
583 	if (baco_reset)
584 		return AMD_RESET_METHOD_BACO;
585 	else
586 		return AMD_RESET_METHOD_MODE1;
587 }
588 
589 static bool soc15_need_reset_on_resume(struct amdgpu_device *adev)
590 {
591 	/* Will reset for the following suspend abort cases.
592 	 * 1) S3 suspend aborted in the normal S3 suspend
593 	 * 2) S3 suspend aborted in performing pm core test.
594 	 */
595 	if (adev->in_s3 && !pm_resume_via_firmware())
596 		return true;
597 	else
598 		return false;
599 }
600 
601 static int soc15_asic_reset(struct amdgpu_device *adev)
602 {
603 	/* original raven doesn't have full asic reset */
604 	/* On the latest Raven, the GPU reset can be performed
605 	 * successfully. So now, temporarily enable it for the
606 	 * S3 suspend abort case.
607 	 */
608 
609 	if ((adev->apu_flags & AMD_APU_IS_PICASSO ||
610 			!(adev->apu_flags & AMD_APU_IS_RAVEN)) &&
611 			soc15_need_reset_on_resume(adev))
612 		goto asic_reset;
613 
614 	if ((adev->apu_flags & AMD_APU_IS_RAVEN) ||
615 			(adev->apu_flags & AMD_APU_IS_RAVEN2))
616 		return 0;
617 
618 asic_reset:
619 	switch (soc15_asic_reset_method(adev)) {
620 	case AMD_RESET_METHOD_PCI:
621 		dev_info(adev->dev, "PCI reset\n");
622 		return amdgpu_device_pci_reset(adev);
623 	case AMD_RESET_METHOD_BACO:
624 		dev_info(adev->dev, "BACO reset\n");
625 		return soc15_asic_baco_reset(adev);
626 	case AMD_RESET_METHOD_MODE2:
627 		dev_info(adev->dev, "MODE2 reset\n");
628 		return amdgpu_dpm_mode2_reset(adev);
629 	case AMD_RESET_METHOD_LINK:
630 		dev_info(adev->dev, "Link reset\n");
631 		return amdgpu_device_link_reset(adev);
632 	default:
633 		dev_info(adev->dev, "MODE1 reset\n");
634 		return amdgpu_device_mode1_reset(adev);
635 	}
636 }
637 
638 static int soc15_supports_baco(struct amdgpu_device *adev)
639 {
640 	switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
641 	case IP_VERSION(9, 0, 0):
642 	case IP_VERSION(11, 0, 2):
643 		if (adev->asic_type == CHIP_VEGA20) {
644 			if (adev->psp.sos.fw_version >= 0x80067)
645 				return amdgpu_dpm_is_baco_supported(adev);
646 			return 0;
647 		} else {
648 			return amdgpu_dpm_is_baco_supported(adev);
649 		}
650 		break;
651 	default:
652 		return 0;
653 	}
654 }
655 
656 /*static int soc15_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
657 			u32 cntl_reg, u32 status_reg)
658 {
659 	return 0;
660 }*/
661 
662 static int soc15_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
663 {
664 	/*int r;
665 
666 	r = soc15_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS);
667 	if (r)
668 		return r;
669 
670 	r = soc15_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS);
671 	*/
672 	return 0;
673 }
674 
675 static int soc15_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
676 {
677 	/* todo */
678 
679 	return 0;
680 }
681 
682 const struct amdgpu_ip_block_version vega10_common_ip_block =
683 {
684 	.type = AMD_IP_BLOCK_TYPE_COMMON,
685 	.major = 2,
686 	.minor = 0,
687 	.rev = 0,
688 	.funcs = &soc15_common_ip_funcs,
689 };
690 
691 static void soc15_reg_base_init(struct amdgpu_device *adev)
692 {
693 	/* Set IP register base before any HW register access */
694 	switch (adev->asic_type) {
695 	case CHIP_VEGA10:
696 	case CHIP_VEGA12:
697 	case CHIP_RAVEN:
698 	case CHIP_RENOIR:
699 		vega10_reg_base_init(adev);
700 		break;
701 	case CHIP_VEGA20:
702 		vega20_reg_base_init(adev);
703 		break;
704 	case CHIP_ARCTURUS:
705 		arct_reg_base_init(adev);
706 		break;
707 	case CHIP_ALDEBARAN:
708 		aldebaran_reg_base_init(adev);
709 		break;
710 	default:
711 		DRM_ERROR("Unsupported asic type: %d!\n", adev->asic_type);
712 		break;
713 	}
714 }
715 
716 void soc15_set_virt_ops(struct amdgpu_device *adev)
717 {
718 	adev->virt.ops = &xgpu_ai_virt_ops;
719 	/* init soc15 reg base early enough so we can
720 	 * request request full access for sriov before
721 	 * set_ip_blocks. */
722 	soc15_reg_base_init(adev);
723 }
724 
725 static void soc15_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
726 				 uint64_t *count1)
727 {
728 	uint32_t perfctr = 0;
729 	uint64_t cnt0_of, cnt1_of;
730 	int tmp;
731 
732 	/* This reports 0 on APUs, so return to avoid writing/reading registers
733 	 * that may or may not be different from their GPU counterparts
734 	 */
735 	if (adev->flags & AMD_IS_APU)
736 		return;
737 
738 	/* Set the 2 events that we wish to watch, defined above */
739 	/* Reg 40 is # received msgs */
740 	/* Reg 104 is # of posted requests sent */
741 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT0_SEL, 40);
742 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT1_SEL, 104);
743 
744 	/* Write to enable desired perf counters */
745 	WREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK, perfctr);
746 	/* Zero out and enable the perf counters
747 	 * Write 0x5:
748 	 * Bit 0 = Start all counters(1)
749 	 * Bit 2 = Global counter reset enable(1)
750 	 */
751 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000005);
752 
753 	msleep(1000);
754 
755 	/* Load the shadow and disable the perf counters
756 	 * Write 0x2:
757 	 * Bit 0 = Stop counters(0)
758 	 * Bit 1 = Load the shadow counters(1)
759 	 */
760 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000002);
761 
762 	/* Read register values to get any >32bit overflow */
763 	tmp = RREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK);
764 	cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER0_UPPER);
765 	cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER1_UPPER);
766 
767 	/* Get the values and add the overflow */
768 	*count0 = RREG32_PCIE(smnPCIE_PERF_COUNT0_TXCLK) | (cnt0_of << 32);
769 	*count1 = RREG32_PCIE(smnPCIE_PERF_COUNT1_TXCLK) | (cnt1_of << 32);
770 }
771 
772 static void vega20_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
773 				 uint64_t *count1)
774 {
775 	uint32_t perfctr = 0;
776 	uint64_t cnt0_of, cnt1_of;
777 	int tmp;
778 
779 	/* This reports 0 on APUs, so return to avoid writing/reading registers
780 	 * that may or may not be different from their GPU counterparts
781 	 */
782 	if (adev->flags & AMD_IS_APU)
783 		return;
784 
785 	/* Set the 2 events that we wish to watch, defined above */
786 	/* Reg 40 is # received msgs */
787 	/* Reg 108 is # of posted requests sent on VG20 */
788 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK3,
789 				EVENT0_SEL, 40);
790 	perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK3,
791 				EVENT1_SEL, 108);
792 
793 	/* Write to enable desired perf counters */
794 	WREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK3, perfctr);
795 	/* Zero out and enable the perf counters
796 	 * Write 0x5:
797 	 * Bit 0 = Start all counters(1)
798 	 * Bit 2 = Global counter reset enable(1)
799 	 */
800 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000005);
801 
802 	msleep(1000);
803 
804 	/* Load the shadow and disable the perf counters
805 	 * Write 0x2:
806 	 * Bit 0 = Stop counters(0)
807 	 * Bit 1 = Load the shadow counters(1)
808 	 */
809 	WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000002);
810 
811 	/* Read register values to get any >32bit overflow */
812 	tmp = RREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK3);
813 	cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK3, COUNTER0_UPPER);
814 	cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK3, COUNTER1_UPPER);
815 
816 	/* Get the values and add the overflow */
817 	*count0 = RREG32_PCIE(smnPCIE_PERF_COUNT0_TXCLK3) | (cnt0_of << 32);
818 	*count1 = RREG32_PCIE(smnPCIE_PERF_COUNT1_TXCLK3) | (cnt1_of << 32);
819 }
820 
821 static bool soc15_need_reset_on_init(struct amdgpu_device *adev)
822 {
823 	u32 sol_reg;
824 
825 	if (amdgpu_gmc_need_reset_on_init(adev))
826 		return true;
827 	if (amdgpu_psp_tos_reload_needed(adev))
828 		return true;
829 	/* Just return false for soc15 GPUs.  Reset does not seem to
830 	 * be necessary.
831 	 */
832 	if (!amdgpu_passthrough(adev))
833 		return false;
834 
835 	if (adev->flags & AMD_IS_APU)
836 		return false;
837 
838 	/* Check sOS sign of life register to confirm sys driver and sOS
839 	 * are already been loaded.
840 	 */
841 	sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
842 	if (sol_reg)
843 		return true;
844 
845 	return false;
846 }
847 
848 static uint64_t soc15_get_pcie_replay_count(struct amdgpu_device *adev)
849 {
850 	uint64_t nak_r, nak_g;
851 
852 	/* Get the number of NAKs received and generated */
853 	nak_r = RREG32_PCIE(smnPCIE_RX_NUM_NAK);
854 	nak_g = RREG32_PCIE(smnPCIE_RX_NUM_NAK_GENERATED);
855 
856 	/* Add the total number of NAKs, i.e the number of replays */
857 	return (nak_r + nak_g);
858 }
859 
860 static void soc15_pre_asic_init(struct amdgpu_device *adev)
861 {
862 	gmc_v9_0_restore_registers(adev);
863 }
864 
865 static const struct amdgpu_asic_funcs soc15_asic_funcs =
866 {
867 	.read_disabled_bios = &soc15_read_disabled_bios,
868 	.read_bios_from_rom = &amdgpu_soc15_read_bios_from_rom,
869 	.read_register = &soc15_read_register,
870 	.reset = &soc15_asic_reset,
871 	.reset_method = &soc15_asic_reset_method,
872 	.get_xclk = &soc15_get_xclk,
873 	.set_uvd_clocks = &soc15_set_uvd_clocks,
874 	.set_vce_clocks = &soc15_set_vce_clocks,
875 	.get_config_memsize = &soc15_get_config_memsize,
876 	.init_doorbell_index = &vega10_doorbell_index_init,
877 	.get_pcie_usage = &soc15_get_pcie_usage,
878 	.need_reset_on_init = &soc15_need_reset_on_init,
879 	.get_pcie_replay_count = &soc15_get_pcie_replay_count,
880 	.supports_baco = &soc15_supports_baco,
881 	.pre_asic_init = &soc15_pre_asic_init,
882 	.query_video_codecs = &soc15_query_video_codecs,
883 };
884 
885 static const struct amdgpu_asic_funcs vega20_asic_funcs =
886 {
887 	.read_disabled_bios = &soc15_read_disabled_bios,
888 	.read_bios_from_rom = &amdgpu_soc15_read_bios_from_rom,
889 	.read_register = &soc15_read_register,
890 	.reset = &soc15_asic_reset,
891 	.reset_method = &soc15_asic_reset_method,
892 	.get_xclk = &soc15_get_xclk,
893 	.set_uvd_clocks = &soc15_set_uvd_clocks,
894 	.set_vce_clocks = &soc15_set_vce_clocks,
895 	.get_config_memsize = &soc15_get_config_memsize,
896 	.init_doorbell_index = &vega20_doorbell_index_init,
897 	.get_pcie_usage = &vega20_get_pcie_usage,
898 	.need_reset_on_init = &soc15_need_reset_on_init,
899 	.get_pcie_replay_count = &soc15_get_pcie_replay_count,
900 	.supports_baco = &soc15_supports_baco,
901 	.pre_asic_init = &soc15_pre_asic_init,
902 	.query_video_codecs = &soc15_query_video_codecs,
903 };
904 
905 static const struct amdgpu_asic_funcs aqua_vanjaram_asic_funcs =
906 {
907 	.read_disabled_bios = &soc15_read_disabled_bios,
908 	.read_bios_from_rom = &amdgpu_soc15_read_bios_from_rom,
909 	.read_register = &soc15_read_register,
910 	.reset = &soc15_asic_reset,
911 	.reset_method = &soc15_asic_reset_method,
912 	.get_xclk = &soc15_get_xclk,
913 	.set_uvd_clocks = &soc15_set_uvd_clocks,
914 	.set_vce_clocks = &soc15_set_vce_clocks,
915 	.get_config_memsize = &soc15_get_config_memsize,
916 	.init_doorbell_index = &aqua_vanjaram_doorbell_index_init,
917 	.need_reset_on_init = &soc15_need_reset_on_init,
918 	.get_pcie_replay_count = &amdgpu_nbio_get_pcie_replay_count,
919 	.supports_baco = &soc15_supports_baco,
920 	.query_video_codecs = &soc15_query_video_codecs,
921 	.get_reg_state = &aqua_vanjaram_get_reg_state,
922 };
923 
924 static int soc15_common_early_init(struct amdgpu_ip_block *ip_block)
925 {
926 	struct amdgpu_device *adev = ip_block->adev;
927 
928 	adev->nbio.funcs->set_reg_remap(adev);
929 	adev->reg.pcie.rreg = &amdgpu_device_indirect_rreg;
930 	adev->reg.pcie.wreg = &amdgpu_device_indirect_wreg;
931 	adev->reg.pcie.rreg_ext = &amdgpu_device_indirect_rreg_ext;
932 	adev->reg.pcie.wreg_ext = &amdgpu_device_indirect_wreg_ext;
933 	adev->reg.pcie.rreg64 = &amdgpu_device_indirect_rreg64;
934 	adev->reg.pcie.wreg64 = &amdgpu_device_indirect_wreg64;
935 	adev->reg.pcie.rreg64_ext = &amdgpu_device_indirect_rreg64_ext;
936 	adev->reg.pcie.wreg64_ext = &amdgpu_device_indirect_wreg64_ext;
937 	adev->reg.uvd_ctx.rreg = &soc15_uvd_ctx_rreg;
938 	adev->reg.uvd_ctx.wreg = &soc15_uvd_ctx_wreg;
939 	adev->reg.didt.rreg = &soc15_didt_rreg;
940 	adev->reg.didt.wreg = &soc15_didt_wreg;
941 	adev->reg.gc_cac.rreg = &soc15_gc_cac_rreg;
942 	adev->reg.gc_cac.wreg = &soc15_gc_cac_wreg;
943 	adev->reg.se_cac.rreg = &soc15_se_cac_rreg;
944 	adev->reg.se_cac.wreg = &soc15_se_cac_wreg;
945 
946 	adev->rev_id = amdgpu_device_get_rev_id(adev);
947 	adev->external_rev_id = 0xFF;
948 	/* TODO: split the GC and PG flags based on the relevant IP version for which
949 	 * they are relevant.
950 	 */
951 	switch (amdgpu_ip_version(adev, GC_HWIP, 0)) {
952 	case IP_VERSION(9, 0, 1):
953 		adev->asic_funcs = &soc15_asic_funcs;
954 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
955 			AMD_CG_SUPPORT_GFX_MGLS |
956 			AMD_CG_SUPPORT_GFX_RLC_LS |
957 			AMD_CG_SUPPORT_GFX_CP_LS |
958 			AMD_CG_SUPPORT_GFX_3D_CGCG |
959 			AMD_CG_SUPPORT_GFX_3D_CGLS |
960 			AMD_CG_SUPPORT_GFX_CGCG |
961 			AMD_CG_SUPPORT_GFX_CGLS |
962 			AMD_CG_SUPPORT_BIF_MGCG |
963 			AMD_CG_SUPPORT_BIF_LS |
964 			AMD_CG_SUPPORT_HDP_LS |
965 			AMD_CG_SUPPORT_DRM_MGCG |
966 			AMD_CG_SUPPORT_DRM_LS |
967 			AMD_CG_SUPPORT_ROM_MGCG |
968 			AMD_CG_SUPPORT_DF_MGCG |
969 			AMD_CG_SUPPORT_SDMA_MGCG |
970 			AMD_CG_SUPPORT_SDMA_LS |
971 			AMD_CG_SUPPORT_MC_MGCG |
972 			AMD_CG_SUPPORT_MC_LS;
973 		adev->pg_flags = 0;
974 		adev->external_rev_id = 0x1;
975 		break;
976 	case IP_VERSION(9, 2, 1):
977 		adev->asic_funcs = &soc15_asic_funcs;
978 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
979 			AMD_CG_SUPPORT_GFX_MGLS |
980 			AMD_CG_SUPPORT_GFX_CGCG |
981 			AMD_CG_SUPPORT_GFX_CGLS |
982 			AMD_CG_SUPPORT_GFX_3D_CGCG |
983 			AMD_CG_SUPPORT_GFX_3D_CGLS |
984 			AMD_CG_SUPPORT_GFX_CP_LS |
985 			AMD_CG_SUPPORT_MC_LS |
986 			AMD_CG_SUPPORT_MC_MGCG |
987 			AMD_CG_SUPPORT_SDMA_MGCG |
988 			AMD_CG_SUPPORT_SDMA_LS |
989 			AMD_CG_SUPPORT_BIF_MGCG |
990 			AMD_CG_SUPPORT_BIF_LS |
991 			AMD_CG_SUPPORT_HDP_MGCG |
992 			AMD_CG_SUPPORT_HDP_LS |
993 			AMD_CG_SUPPORT_ROM_MGCG |
994 			AMD_CG_SUPPORT_VCE_MGCG |
995 			AMD_CG_SUPPORT_UVD_MGCG;
996 		adev->pg_flags = 0;
997 		adev->external_rev_id = adev->rev_id + 0x14;
998 		break;
999 	case IP_VERSION(9, 4, 0):
1000 		adev->asic_funcs = &vega20_asic_funcs;
1001 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1002 			AMD_CG_SUPPORT_GFX_MGLS |
1003 			AMD_CG_SUPPORT_GFX_CGCG |
1004 			AMD_CG_SUPPORT_GFX_CGLS |
1005 			AMD_CG_SUPPORT_GFX_3D_CGCG |
1006 			AMD_CG_SUPPORT_GFX_3D_CGLS |
1007 			AMD_CG_SUPPORT_GFX_CP_LS |
1008 			AMD_CG_SUPPORT_MC_LS |
1009 			AMD_CG_SUPPORT_MC_MGCG |
1010 			AMD_CG_SUPPORT_SDMA_MGCG |
1011 			AMD_CG_SUPPORT_SDMA_LS |
1012 			AMD_CG_SUPPORT_BIF_MGCG |
1013 			AMD_CG_SUPPORT_BIF_LS |
1014 			AMD_CG_SUPPORT_HDP_MGCG |
1015 			AMD_CG_SUPPORT_HDP_LS |
1016 			AMD_CG_SUPPORT_ROM_MGCG |
1017 			AMD_CG_SUPPORT_VCE_MGCG |
1018 			AMD_CG_SUPPORT_UVD_MGCG;
1019 		adev->pg_flags = 0;
1020 		adev->external_rev_id = adev->rev_id + 0x28;
1021 		break;
1022 	case IP_VERSION(9, 1, 0):
1023 	case IP_VERSION(9, 2, 2):
1024 		adev->asic_funcs = &soc15_asic_funcs;
1025 
1026 		if (adev->rev_id >= 0x8)
1027 			adev->apu_flags |= AMD_APU_IS_RAVEN2;
1028 
1029 		if (adev->apu_flags & AMD_APU_IS_RAVEN2)
1030 			adev->external_rev_id = adev->rev_id + 0x79;
1031 		else if (adev->apu_flags & AMD_APU_IS_PICASSO)
1032 			adev->external_rev_id = adev->rev_id + 0x41;
1033 		else if (adev->rev_id == 1)
1034 			adev->external_rev_id = adev->rev_id + 0x20;
1035 		else
1036 			adev->external_rev_id = adev->rev_id + 0x01;
1037 
1038 		if (adev->apu_flags & AMD_APU_IS_RAVEN2) {
1039 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1040 				AMD_CG_SUPPORT_GFX_MGLS |
1041 				AMD_CG_SUPPORT_GFX_CP_LS |
1042 				AMD_CG_SUPPORT_GFX_3D_CGCG |
1043 				AMD_CG_SUPPORT_GFX_3D_CGLS |
1044 				AMD_CG_SUPPORT_GFX_CGCG |
1045 				AMD_CG_SUPPORT_GFX_CGLS |
1046 				AMD_CG_SUPPORT_BIF_LS |
1047 				AMD_CG_SUPPORT_HDP_LS |
1048 				AMD_CG_SUPPORT_MC_MGCG |
1049 				AMD_CG_SUPPORT_MC_LS |
1050 				AMD_CG_SUPPORT_SDMA_MGCG |
1051 				AMD_CG_SUPPORT_SDMA_LS |
1052 				AMD_CG_SUPPORT_VCN_MGCG;
1053 
1054 			adev->pg_flags = AMD_PG_SUPPORT_SDMA | AMD_PG_SUPPORT_VCN;
1055 		} else if (adev->apu_flags & AMD_APU_IS_PICASSO) {
1056 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1057 				AMD_CG_SUPPORT_GFX_MGLS |
1058 				AMD_CG_SUPPORT_GFX_CP_LS |
1059 				AMD_CG_SUPPORT_GFX_3D_CGLS |
1060 				AMD_CG_SUPPORT_GFX_CGCG |
1061 				AMD_CG_SUPPORT_GFX_CGLS |
1062 				AMD_CG_SUPPORT_BIF_LS |
1063 				AMD_CG_SUPPORT_HDP_LS |
1064 				AMD_CG_SUPPORT_MC_MGCG |
1065 				AMD_CG_SUPPORT_MC_LS |
1066 				AMD_CG_SUPPORT_SDMA_MGCG |
1067 				AMD_CG_SUPPORT_SDMA_LS |
1068 				AMD_CG_SUPPORT_VCN_MGCG;
1069 
1070 			/*
1071 			 * MMHUB PG needs to be disabled for Picasso for
1072 			 * stability reasons.
1073 			 */
1074 			adev->pg_flags = AMD_PG_SUPPORT_SDMA |
1075 				AMD_PG_SUPPORT_VCN;
1076 		} else {
1077 			adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1078 				AMD_CG_SUPPORT_GFX_MGLS |
1079 				AMD_CG_SUPPORT_GFX_RLC_LS |
1080 				AMD_CG_SUPPORT_GFX_CP_LS |
1081 				AMD_CG_SUPPORT_GFX_3D_CGLS |
1082 				AMD_CG_SUPPORT_GFX_CGCG |
1083 				AMD_CG_SUPPORT_GFX_CGLS |
1084 				AMD_CG_SUPPORT_BIF_MGCG |
1085 				AMD_CG_SUPPORT_BIF_LS |
1086 				AMD_CG_SUPPORT_HDP_MGCG |
1087 				AMD_CG_SUPPORT_HDP_LS |
1088 				AMD_CG_SUPPORT_DRM_MGCG |
1089 				AMD_CG_SUPPORT_DRM_LS |
1090 				AMD_CG_SUPPORT_MC_MGCG |
1091 				AMD_CG_SUPPORT_MC_LS |
1092 				AMD_CG_SUPPORT_SDMA_MGCG |
1093 				AMD_CG_SUPPORT_SDMA_LS |
1094 				AMD_CG_SUPPORT_VCN_MGCG;
1095 
1096 			adev->pg_flags = AMD_PG_SUPPORT_SDMA | AMD_PG_SUPPORT_VCN;
1097 		}
1098 		break;
1099 	case IP_VERSION(9, 4, 1):
1100 		adev->asic_funcs = &vega20_asic_funcs;
1101 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1102 			AMD_CG_SUPPORT_GFX_MGLS |
1103 			AMD_CG_SUPPORT_GFX_CGCG |
1104 			AMD_CG_SUPPORT_GFX_CGLS |
1105 			AMD_CG_SUPPORT_GFX_CP_LS |
1106 			AMD_CG_SUPPORT_HDP_MGCG |
1107 			AMD_CG_SUPPORT_HDP_LS |
1108 			AMD_CG_SUPPORT_SDMA_MGCG |
1109 			AMD_CG_SUPPORT_SDMA_LS |
1110 			AMD_CG_SUPPORT_MC_MGCG |
1111 			AMD_CG_SUPPORT_MC_LS |
1112 			AMD_CG_SUPPORT_IH_CG |
1113 			AMD_CG_SUPPORT_VCN_MGCG |
1114 			AMD_CG_SUPPORT_JPEG_MGCG;
1115 		adev->pg_flags = AMD_PG_SUPPORT_VCN | AMD_PG_SUPPORT_VCN_DPG;
1116 		adev->external_rev_id = adev->rev_id + 0x32;
1117 		break;
1118 	case IP_VERSION(9, 3, 0):
1119 		adev->asic_funcs = &soc15_asic_funcs;
1120 
1121 		if (adev->apu_flags & AMD_APU_IS_RENOIR)
1122 			adev->external_rev_id = adev->rev_id + 0x91;
1123 		else
1124 			adev->external_rev_id = adev->rev_id + 0xa1;
1125 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1126 				 AMD_CG_SUPPORT_GFX_MGLS |
1127 				 AMD_CG_SUPPORT_GFX_3D_CGCG |
1128 				 AMD_CG_SUPPORT_GFX_3D_CGLS |
1129 				 AMD_CG_SUPPORT_GFX_CGCG |
1130 				 AMD_CG_SUPPORT_GFX_CGLS |
1131 				 AMD_CG_SUPPORT_GFX_CP_LS |
1132 				 AMD_CG_SUPPORT_MC_MGCG |
1133 				 AMD_CG_SUPPORT_MC_LS |
1134 				 AMD_CG_SUPPORT_SDMA_MGCG |
1135 				 AMD_CG_SUPPORT_SDMA_LS |
1136 				 AMD_CG_SUPPORT_BIF_LS |
1137 				 AMD_CG_SUPPORT_HDP_LS |
1138 				 AMD_CG_SUPPORT_VCN_MGCG |
1139 				 AMD_CG_SUPPORT_JPEG_MGCG |
1140 				 AMD_CG_SUPPORT_IH_CG |
1141 				 AMD_CG_SUPPORT_ATHUB_LS |
1142 				 AMD_CG_SUPPORT_ATHUB_MGCG |
1143 				 AMD_CG_SUPPORT_DF_MGCG;
1144 		adev->pg_flags = AMD_PG_SUPPORT_SDMA |
1145 				 AMD_PG_SUPPORT_VCN |
1146 				 AMD_PG_SUPPORT_JPEG |
1147 				 AMD_PG_SUPPORT_VCN_DPG;
1148 		break;
1149 	case IP_VERSION(9, 4, 2):
1150 		adev->asic_funcs = &vega20_asic_funcs;
1151 		adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1152 			AMD_CG_SUPPORT_GFX_MGLS |
1153 			AMD_CG_SUPPORT_GFX_CP_LS |
1154 			AMD_CG_SUPPORT_HDP_LS |
1155 			AMD_CG_SUPPORT_SDMA_MGCG |
1156 			AMD_CG_SUPPORT_SDMA_LS |
1157 			AMD_CG_SUPPORT_IH_CG |
1158 			AMD_CG_SUPPORT_VCN_MGCG | AMD_CG_SUPPORT_JPEG_MGCG;
1159 		adev->pg_flags = AMD_PG_SUPPORT_VCN_DPG;
1160 		adev->external_rev_id = adev->rev_id + 0x3c;
1161 		break;
1162 	case IP_VERSION(9, 4, 3):
1163 	case IP_VERSION(9, 4, 4):
1164 	case IP_VERSION(9, 5, 0):
1165 		adev->asic_funcs = &aqua_vanjaram_asic_funcs;
1166 		adev->reg.smn.get_smn_base = &amdgpu_reg_smn_v1_0_get_base;
1167 		adev->cg_flags =
1168 			AMD_CG_SUPPORT_GFX_MGCG | AMD_CG_SUPPORT_GFX_CGCG |
1169 			AMD_CG_SUPPORT_GFX_CGLS | AMD_CG_SUPPORT_SDMA_MGCG |
1170 			AMD_CG_SUPPORT_GFX_FGCG | AMD_CG_SUPPORT_REPEATER_FGCG |
1171 			AMD_CG_SUPPORT_VCN_MGCG | AMD_CG_SUPPORT_JPEG_MGCG |
1172 			AMD_CG_SUPPORT_IH_CG;
1173 		adev->pg_flags =
1174 			AMD_PG_SUPPORT_VCN |
1175 			AMD_PG_SUPPORT_VCN_DPG |
1176 			AMD_PG_SUPPORT_JPEG;
1177 		/*TODO: need a new external_rev_id for GC 9.4.4? */
1178 		adev->external_rev_id = adev->rev_id + 0x46;
1179 		if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 5, 0))
1180 			adev->external_rev_id = adev->rev_id + 0x50;
1181 		break;
1182 	default:
1183 		/* FIXME: not supported yet */
1184 		return -EINVAL;
1185 	}
1186 
1187 	if (amdgpu_sriov_vf(adev)) {
1188 		amdgpu_virt_init_setting(adev);
1189 		xgpu_ai_mailbox_set_irq_funcs(adev);
1190 	}
1191 
1192 	return 0;
1193 }
1194 
1195 static int soc15_common_late_init(struct amdgpu_ip_block *ip_block)
1196 {
1197 	struct amdgpu_device *adev = ip_block->adev;
1198 
1199 	if (amdgpu_sriov_vf(adev))
1200 		xgpu_ai_mailbox_get_irq(adev);
1201 
1202 	/* Enable selfring doorbell aperture late because doorbell BAR
1203 	 * aperture will change if resize BAR successfully in gmc sw_init.
1204 	 */
1205 	adev->nbio.funcs->enable_doorbell_selfring_aperture(adev, true);
1206 
1207 	return 0;
1208 }
1209 
1210 static int soc15_common_sw_init(struct amdgpu_ip_block *ip_block)
1211 {
1212 	struct amdgpu_device *adev = ip_block->adev;
1213 
1214 	if (amdgpu_sriov_vf(adev))
1215 		xgpu_ai_mailbox_add_irq_id(adev);
1216 
1217 	if (adev->df.funcs &&
1218 	    adev->df.funcs->sw_init)
1219 		adev->df.funcs->sw_init(adev);
1220 
1221 	return 0;
1222 }
1223 
1224 static int soc15_common_sw_fini(struct amdgpu_ip_block *ip_block)
1225 {
1226 	struct amdgpu_device *adev = ip_block->adev;
1227 
1228 	if (adev->df.funcs &&
1229 	    adev->df.funcs->sw_fini)
1230 		adev->df.funcs->sw_fini(adev);
1231 	return 0;
1232 }
1233 
1234 static void soc15_sdma_doorbell_range_init(struct amdgpu_device *adev)
1235 {
1236 	int i;
1237 
1238 	/* sdma doorbell range is programed by hypervisor */
1239 	if (!amdgpu_sriov_vf(adev)) {
1240 		for (i = 0; i < adev->sdma.num_instances; i++) {
1241 			adev->nbio.funcs->sdma_doorbell_range(adev, i,
1242 				true, adev->doorbell_index.sdma_engine[i] << 1,
1243 				adev->doorbell_index.sdma_doorbell_range);
1244 		}
1245 	}
1246 }
1247 
1248 static int soc15_common_hw_init(struct amdgpu_ip_block *ip_block)
1249 {
1250 	struct amdgpu_device *adev = ip_block->adev;
1251 
1252 	/* enable aspm */
1253 	amdgpu_nbio_program_aspm(adev);
1254 	/* setup nbio registers */
1255 	adev->nbio.funcs->init_registers(adev);
1256 	/* remap HDP registers to a hole in mmio space,
1257 	 * for the purpose of expose those registers
1258 	 * to process space
1259 	 */
1260 	if (adev->nbio.funcs->remap_hdp_registers && !amdgpu_sriov_vf(adev))
1261 		adev->nbio.funcs->remap_hdp_registers(adev);
1262 
1263 	/* enable the doorbell aperture */
1264 	adev->nbio.funcs->enable_doorbell_aperture(adev, true);
1265 
1266 	/* HW doorbell routing policy: doorbell writing not
1267 	 * in SDMA/IH/MM/ACV range will be routed to CP. So
1268 	 * we need to init SDMA doorbell range prior
1269 	 * to CP ip block init and ring test.  IH already
1270 	 * happens before CP.
1271 	 */
1272 	soc15_sdma_doorbell_range_init(adev);
1273 
1274 	return 0;
1275 }
1276 
1277 static int soc15_common_hw_fini(struct amdgpu_ip_block *ip_block)
1278 {
1279 	struct amdgpu_device *adev = ip_block->adev;
1280 
1281 	/* Disable the doorbell aperture and selfring doorbell aperture
1282 	 * separately in hw_fini because soc15_enable_doorbell_aperture
1283 	 * has been removed and there is no need to delay disabling
1284 	 * selfring doorbell.
1285 	 */
1286 	adev->nbio.funcs->enable_doorbell_aperture(adev, false);
1287 	adev->nbio.funcs->enable_doorbell_selfring_aperture(adev, false);
1288 
1289 	if (amdgpu_sriov_vf(adev))
1290 		xgpu_ai_mailbox_put_irq(adev);
1291 
1292 	/*
1293 	 * For minimal init, late_init is not called, hence RAS irqs are not
1294 	 * enabled.
1295 	 */
1296 	if ((!amdgpu_sriov_vf(adev)) &&
1297 	    (adev->init_lvl->level != AMDGPU_INIT_LEVEL_MINIMAL_XGMI) &&
1298 	    adev->nbio.ras_if &&
1299 	    amdgpu_ras_is_supported(adev, adev->nbio.ras_if->block)) {
1300 		if (adev->nbio.ras &&
1301 		    adev->nbio.ras->init_ras_controller_interrupt)
1302 			amdgpu_irq_put(adev, &adev->nbio.ras_controller_irq, 0);
1303 		if (adev->nbio.ras &&
1304 		    adev->nbio.ras->init_ras_err_event_athub_interrupt)
1305 			amdgpu_irq_put(adev, &adev->nbio.ras_err_event_athub_irq, 0);
1306 	}
1307 
1308 	return 0;
1309 }
1310 
1311 static int soc15_common_suspend(struct amdgpu_ip_block *ip_block)
1312 {
1313 	return soc15_common_hw_fini(ip_block);
1314 }
1315 
1316 static int soc15_common_resume(struct amdgpu_ip_block *ip_block)
1317 {
1318 	struct amdgpu_device *adev = ip_block->adev;
1319 
1320 	if (soc15_need_reset_on_resume(adev)) {
1321 		dev_info(adev->dev, "S3 suspend abort case, let's reset ASIC.\n");
1322 		soc15_asic_reset(adev);
1323 	}
1324 	return soc15_common_hw_init(ip_block);
1325 }
1326 
1327 static bool soc15_common_is_idle(struct amdgpu_ip_block *ip_block)
1328 {
1329 	return true;
1330 }
1331 
1332 static void soc15_update_drm_clock_gating(struct amdgpu_device *adev, bool enable)
1333 {
1334 	uint32_t def, data;
1335 
1336 	def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0));
1337 
1338 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_MGCG))
1339 		data &= ~(0x01000000 |
1340 			  0x02000000 |
1341 			  0x04000000 |
1342 			  0x08000000 |
1343 			  0x10000000 |
1344 			  0x20000000 |
1345 			  0x40000000 |
1346 			  0x80000000);
1347 	else
1348 		data |= (0x01000000 |
1349 			 0x02000000 |
1350 			 0x04000000 |
1351 			 0x08000000 |
1352 			 0x10000000 |
1353 			 0x20000000 |
1354 			 0x40000000 |
1355 			 0x80000000);
1356 
1357 	if (def != data)
1358 		WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0), data);
1359 }
1360 
1361 static void soc15_update_drm_light_sleep(struct amdgpu_device *adev, bool enable)
1362 {
1363 	uint32_t def, data;
1364 
1365 	def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL));
1366 
1367 	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_LS))
1368 		data |= 1;
1369 	else
1370 		data &= ~1;
1371 
1372 	if (def != data)
1373 		WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL), data);
1374 }
1375 
1376 static int soc15_common_set_clockgating_state(struct amdgpu_ip_block *ip_block,
1377 					    enum amd_clockgating_state state)
1378 {
1379 	struct amdgpu_device *adev = ip_block->adev;
1380 
1381 	if (amdgpu_sriov_vf(adev))
1382 		return 0;
1383 
1384 	switch (amdgpu_ip_version(adev, NBIO_HWIP, 0)) {
1385 	case IP_VERSION(6, 1, 0):
1386 	case IP_VERSION(6, 2, 0):
1387 	case IP_VERSION(7, 4, 0):
1388 		adev->nbio.funcs->update_medium_grain_clock_gating(adev,
1389 				state == AMD_CG_STATE_GATE);
1390 		adev->nbio.funcs->update_medium_grain_light_sleep(adev,
1391 				state == AMD_CG_STATE_GATE);
1392 		adev->hdp.funcs->update_clock_gating(adev,
1393 				state == AMD_CG_STATE_GATE);
1394 		soc15_update_drm_clock_gating(adev,
1395 				state == AMD_CG_STATE_GATE);
1396 		soc15_update_drm_light_sleep(adev,
1397 				state == AMD_CG_STATE_GATE);
1398 		adev->smuio.funcs->update_rom_clock_gating(adev,
1399 				state == AMD_CG_STATE_GATE);
1400 		adev->df.funcs->update_medium_grain_clock_gating(adev,
1401 				state == AMD_CG_STATE_GATE);
1402 		break;
1403 	case IP_VERSION(7, 0, 0):
1404 	case IP_VERSION(7, 0, 1):
1405 	case IP_VERSION(2, 5, 0):
1406 		adev->nbio.funcs->update_medium_grain_clock_gating(adev,
1407 				state == AMD_CG_STATE_GATE);
1408 		adev->nbio.funcs->update_medium_grain_light_sleep(adev,
1409 				state == AMD_CG_STATE_GATE);
1410 		adev->hdp.funcs->update_clock_gating(adev,
1411 				state == AMD_CG_STATE_GATE);
1412 		soc15_update_drm_clock_gating(adev,
1413 				state == AMD_CG_STATE_GATE);
1414 		soc15_update_drm_light_sleep(adev,
1415 				state == AMD_CG_STATE_GATE);
1416 		break;
1417 	case IP_VERSION(7, 4, 1):
1418 	case IP_VERSION(7, 4, 4):
1419 		adev->hdp.funcs->update_clock_gating(adev,
1420 				state == AMD_CG_STATE_GATE);
1421 		break;
1422 	default:
1423 		break;
1424 	}
1425 	return 0;
1426 }
1427 
1428 static void soc15_common_get_clockgating_state(struct amdgpu_ip_block *ip_block, u64 *flags)
1429 {
1430 	struct amdgpu_device *adev = ip_block->adev;
1431 	int data;
1432 
1433 	if (amdgpu_sriov_vf(adev))
1434 		*flags = 0;
1435 
1436 	if (adev->nbio.funcs && adev->nbio.funcs->get_clockgating_state)
1437 		adev->nbio.funcs->get_clockgating_state(adev, flags);
1438 
1439 	if (adev->hdp.funcs && adev->hdp.funcs->get_clock_gating_state)
1440 		adev->hdp.funcs->get_clock_gating_state(adev, flags);
1441 
1442 	if ((amdgpu_ip_version(adev, MP0_HWIP, 0) != IP_VERSION(13, 0, 2)) &&
1443 	    (amdgpu_ip_version(adev, MP0_HWIP, 0) != IP_VERSION(13, 0, 6)) &&
1444 	    (amdgpu_ip_version(adev, MP0_HWIP, 0) != IP_VERSION(13, 0, 12)) &&
1445 	    (amdgpu_ip_version(adev, MP0_HWIP, 0) != IP_VERSION(13, 0, 14)) &&
1446 		(amdgpu_ip_version(adev, MP0_HWIP, 0) != IP_VERSION(13, 0, 15))) {
1447 		/* AMD_CG_SUPPORT_DRM_MGCG */
1448 		data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0));
1449 		if (!(data & 0x01000000))
1450 			*flags |= AMD_CG_SUPPORT_DRM_MGCG;
1451 
1452 		/* AMD_CG_SUPPORT_DRM_LS */
1453 		data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL));
1454 		if (data & 0x1)
1455 			*flags |= AMD_CG_SUPPORT_DRM_LS;
1456 	}
1457 
1458 	/* AMD_CG_SUPPORT_ROM_MGCG */
1459 	if (adev->smuio.funcs && adev->smuio.funcs->get_clock_gating_state)
1460 		adev->smuio.funcs->get_clock_gating_state(adev, flags);
1461 
1462 	if (adev->df.funcs && adev->df.funcs->get_clockgating_state)
1463 		adev->df.funcs->get_clockgating_state(adev, flags);
1464 }
1465 
1466 static int soc15_common_set_powergating_state(struct amdgpu_ip_block *ip_block,
1467 					    enum amd_powergating_state state)
1468 {
1469 	/* todo */
1470 	return 0;
1471 }
1472 
1473 static const struct amd_ip_funcs soc15_common_ip_funcs = {
1474 	.name = "soc15_common",
1475 	.early_init = soc15_common_early_init,
1476 	.late_init = soc15_common_late_init,
1477 	.sw_init = soc15_common_sw_init,
1478 	.sw_fini = soc15_common_sw_fini,
1479 	.hw_init = soc15_common_hw_init,
1480 	.hw_fini = soc15_common_hw_fini,
1481 	.suspend = soc15_common_suspend,
1482 	.resume = soc15_common_resume,
1483 	.is_idle = soc15_common_is_idle,
1484 	.set_clockgating_state = soc15_common_set_clockgating_state,
1485 	.set_powergating_state = soc15_common_set_powergating_state,
1486 	.get_clockgating_state= soc15_common_get_clockgating_state,
1487 };
1488