1 /*
2  * Copyright 2020 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 "umc_v8_7.h"
24 #include "amdgpu_ras.h"
25 #include "amdgpu_umc.h"
26 #include "amdgpu.h"
27 
28 #include "rsmu/rsmu_0_0_2_offset.h"
29 #include "rsmu/rsmu_0_0_2_sh_mask.h"
30 #include "umc/umc_8_7_0_offset.h"
31 #include "umc/umc_8_7_0_sh_mask.h"
32 
33 #define UMC_8_INST_DIST			0x40000
34 
35 const uint32_t
36 	umc_v8_7_channel_idx_tbl[UMC_V8_7_UMC_INSTANCE_NUM][UMC_V8_7_CHANNEL_INSTANCE_NUM] = {
37 		{2, 11},  {4, 13},
38 		{1, 8},   {7, 14},
39 		{10, 3},  {12, 5},
40 		{9, 0},   {15, 6}
41 };
42 
get_umc_v8_7_reg_offset(struct amdgpu_device * adev,uint32_t umc_inst,uint32_t ch_inst)43 static inline uint32_t get_umc_v8_7_reg_offset(struct amdgpu_device *adev,
44 					    uint32_t umc_inst,
45 					    uint32_t ch_inst)
46 {
47 	return adev->umc.channel_offs*ch_inst + UMC_8_INST_DIST*umc_inst;
48 }
49 
umc_v8_7_ecc_info_query_correctable_error_count(struct amdgpu_device * adev,uint32_t umc_inst,uint32_t ch_inst,unsigned long * error_count)50 static void umc_v8_7_ecc_info_query_correctable_error_count(struct amdgpu_device *adev,
51 						uint32_t umc_inst, uint32_t ch_inst,
52 						unsigned long *error_count)
53 {
54 	uint64_t mc_umc_status;
55 	uint32_t eccinfo_table_idx;
56 	struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
57 
58 	eccinfo_table_idx = umc_inst * adev->umc.channel_inst_num + ch_inst;
59 
60 	/* check for SRAM correctable error
61 	 * MCUMC_STATUS is a 64 bit register
62 	 */
63 	mc_umc_status = ras->umc_ecc.ecc[eccinfo_table_idx].mca_umc_status;
64 	if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 &&
65 	    REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, CECC) == 1)
66 		*error_count += 1;
67 }
68 
umc_v8_7_ecc_info_querry_uncorrectable_error_count(struct amdgpu_device * adev,uint32_t umc_inst,uint32_t ch_inst,unsigned long * error_count)69 static void umc_v8_7_ecc_info_querry_uncorrectable_error_count(struct amdgpu_device *adev,
70 							uint32_t umc_inst, uint32_t ch_inst,
71 							unsigned long *error_count)
72 {
73 	uint64_t mc_umc_status;
74 	uint32_t eccinfo_table_idx;
75 	struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
76 
77 	eccinfo_table_idx = umc_inst * adev->umc.channel_inst_num + ch_inst;
78 
79 	/* check the MCUMC_STATUS */
80 	mc_umc_status = ras->umc_ecc.ecc[eccinfo_table_idx].mca_umc_status;
81 	if ((REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1) &&
82 	    (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Deferred) == 1 ||
83 	    REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1 ||
84 	    REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, PCC) == 1 ||
85 	    REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UC) == 1 ||
86 	    REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, TCC) == 1))
87 		*error_count += 1;
88 }
89 
umc_v8_7_ecc_info_query_ras_error_count(struct amdgpu_device * adev,void * ras_error_status)90 static void umc_v8_7_ecc_info_query_ras_error_count(struct amdgpu_device *adev,
91 					void *ras_error_status)
92 {
93 	struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
94 
95 	uint32_t umc_inst        = 0;
96 	uint32_t ch_inst         = 0;
97 
98 	/* TODO: driver needs to toggle DF Cstate to ensure
99 	 * safe access of UMC registers. Will add the protection
100 	 */
101 	LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) {
102 		umc_v8_7_ecc_info_query_correctable_error_count(adev,
103 							umc_inst, ch_inst,
104 							&(err_data->ce_count));
105 		umc_v8_7_ecc_info_querry_uncorrectable_error_count(adev,
106 							umc_inst, ch_inst,
107 							&(err_data->ue_count));
108 	}
109 }
110 
umc_v8_7_convert_error_address(struct amdgpu_device * adev,struct ras_err_data * err_data,uint64_t err_addr,uint32_t ch_inst,uint32_t umc_inst)111 static void umc_v8_7_convert_error_address(struct amdgpu_device *adev,
112 					struct ras_err_data *err_data, uint64_t err_addr,
113 					uint32_t ch_inst, uint32_t umc_inst)
114 {
115 	uint64_t retired_page;
116 	uint32_t channel_index;
117 
118 	channel_index =
119 		adev->umc.channel_idx_tbl[umc_inst * adev->umc.channel_inst_num + ch_inst];
120 
121 	/* translate umc channel address to soc pa, 3 parts are included */
122 	retired_page = ADDR_OF_4KB_BLOCK(err_addr) |
123 			ADDR_OF_256B_BLOCK(channel_index) |
124 			OFFSET_IN_256B_BLOCK(err_addr);
125 
126 	amdgpu_umc_fill_error_record(err_data, err_addr,
127 				retired_page, channel_index, umc_inst);
128 }
129 
umc_v8_7_ecc_info_query_error_address(struct amdgpu_device * adev,struct ras_err_data * err_data,uint32_t ch_inst,uint32_t umc_inst)130 static void umc_v8_7_ecc_info_query_error_address(struct amdgpu_device *adev,
131 					struct ras_err_data *err_data,
132 					uint32_t ch_inst,
133 					uint32_t umc_inst)
134 {
135 	uint64_t mc_umc_status, err_addr;
136 	uint32_t eccinfo_table_idx;
137 	struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
138 
139 	eccinfo_table_idx = umc_inst * adev->umc.channel_inst_num + ch_inst;
140 	mc_umc_status = ras->umc_ecc.ecc[eccinfo_table_idx].mca_umc_status;
141 
142 	if (mc_umc_status == 0)
143 		return;
144 
145 	if (!err_data->err_addr)
146 		return;
147 
148 	/* calculate error address if ue error is detected */
149 	if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 &&
150 	    REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1) {
151 
152 		err_addr = ras->umc_ecc.ecc[eccinfo_table_idx].mca_umc_addr;
153 		err_addr = REG_GET_FIELD(err_addr, MCA_UMC_UMC0_MCUMC_ADDRT0, ErrorAddr);
154 
155 		umc_v8_7_convert_error_address(adev, err_data, err_addr,
156 						ch_inst, umc_inst);
157 	}
158 }
159 
umc_v8_7_ecc_info_query_ras_error_address(struct amdgpu_device * adev,void * ras_error_status)160 static void umc_v8_7_ecc_info_query_ras_error_address(struct amdgpu_device *adev,
161 					void *ras_error_status)
162 {
163 	struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
164 
165 	uint32_t umc_inst        = 0;
166 	uint32_t ch_inst         = 0;
167 
168 	/* TODO: driver needs to toggle DF Cstate to ensure
169 	 * safe access of UMC resgisters. Will add the protection
170 	 * when firmware interface is ready
171 	 */
172 	LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) {
173 		umc_v8_7_ecc_info_query_error_address(adev,
174 						err_data,
175 						ch_inst,
176 						umc_inst);
177 	}
178 }
179 
umc_v8_7_clear_error_count_per_channel(struct amdgpu_device * adev,uint32_t umc_reg_offset)180 static void umc_v8_7_clear_error_count_per_channel(struct amdgpu_device *adev,
181 					uint32_t umc_reg_offset)
182 {
183 	uint32_t ecc_err_cnt_addr;
184 	uint32_t ecc_err_cnt_sel, ecc_err_cnt_sel_addr;
185 
186 	ecc_err_cnt_sel_addr =
187 		SOC15_REG_OFFSET(UMC, 0, mmUMCCH0_0_GeccErrCntSel);
188 	ecc_err_cnt_addr =
189 		SOC15_REG_OFFSET(UMC, 0, mmUMCCH0_0_GeccErrCnt);
190 
191 	/* select the lower chip */
192 	ecc_err_cnt_sel = RREG32_PCIE((ecc_err_cnt_sel_addr +
193 					umc_reg_offset) * 4);
194 	ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel,
195 					UMCCH0_0_GeccErrCntSel,
196 					GeccErrCntCsSel, 0);
197 	WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4,
198 			ecc_err_cnt_sel);
199 
200 	/* clear lower chip error count */
201 	WREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4,
202 			UMC_V8_7_CE_CNT_INIT);
203 
204 	/* select the higher chip */
205 	ecc_err_cnt_sel = RREG32_PCIE((ecc_err_cnt_sel_addr +
206 					umc_reg_offset) * 4);
207 	ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel,
208 					UMCCH0_0_GeccErrCntSel,
209 					GeccErrCntCsSel, 1);
210 	WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4,
211 			ecc_err_cnt_sel);
212 
213 	/* clear higher chip error count */
214 	WREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4,
215 			UMC_V8_7_CE_CNT_INIT);
216 }
217 
umc_v8_7_clear_error_count(struct amdgpu_device * adev)218 static void umc_v8_7_clear_error_count(struct amdgpu_device *adev)
219 {
220 	uint32_t umc_inst        = 0;
221 	uint32_t ch_inst         = 0;
222 	uint32_t umc_reg_offset  = 0;
223 
224 	LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) {
225 		umc_reg_offset = get_umc_v8_7_reg_offset(adev,
226 						umc_inst,
227 						ch_inst);
228 
229 		umc_v8_7_clear_error_count_per_channel(adev,
230 						umc_reg_offset);
231 	}
232 }
233 
umc_v8_7_query_correctable_error_count(struct amdgpu_device * adev,uint32_t umc_reg_offset,unsigned long * error_count)234 static void umc_v8_7_query_correctable_error_count(struct amdgpu_device *adev,
235 						   uint32_t umc_reg_offset,
236 						   unsigned long *error_count)
237 {
238 	uint32_t ecc_err_cnt_sel, ecc_err_cnt_sel_addr;
239 	uint32_t ecc_err_cnt, ecc_err_cnt_addr;
240 	uint64_t mc_umc_status;
241 	uint32_t mc_umc_status_addr;
242 
243 	/* UMC 8_7_2 registers */
244 	ecc_err_cnt_sel_addr =
245 		SOC15_REG_OFFSET(UMC, 0, mmUMCCH0_0_GeccErrCntSel);
246 	ecc_err_cnt_addr =
247 		SOC15_REG_OFFSET(UMC, 0, mmUMCCH0_0_GeccErrCnt);
248 	mc_umc_status_addr =
249 		SOC15_REG_OFFSET(UMC, 0, mmMCA_UMC_UMC0_MCUMC_STATUST0);
250 
251 	/* select the lower chip and check the error count */
252 	ecc_err_cnt_sel = RREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4);
253 	ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_GeccErrCntSel,
254 					GeccErrCntCsSel, 0);
255 	WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4, ecc_err_cnt_sel);
256 
257 	ecc_err_cnt = RREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4);
258 	*error_count +=
259 		(REG_GET_FIELD(ecc_err_cnt, UMCCH0_0_GeccErrCnt, GeccErrCnt) -
260 		 UMC_V8_7_CE_CNT_INIT);
261 
262 	/* select the higher chip and check the err counter */
263 	ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_GeccErrCntSel,
264 					GeccErrCntCsSel, 1);
265 	WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4, ecc_err_cnt_sel);
266 
267 	ecc_err_cnt = RREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4);
268 	*error_count +=
269 		(REG_GET_FIELD(ecc_err_cnt, UMCCH0_0_GeccErrCnt, GeccErrCnt) -
270 		 UMC_V8_7_CE_CNT_INIT);
271 
272 	/* check for SRAM correctable error
273 	  MCUMC_STATUS is a 64 bit register */
274 	mc_umc_status = RREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4);
275 	if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, ErrorCodeExt) == 6 &&
276 	    REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 &&
277 	    REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, CECC) == 1)
278 		*error_count += 1;
279 }
280 
umc_v8_7_querry_uncorrectable_error_count(struct amdgpu_device * adev,uint32_t umc_reg_offset,unsigned long * error_count)281 static void umc_v8_7_querry_uncorrectable_error_count(struct amdgpu_device *adev,
282 						      uint32_t umc_reg_offset,
283 						      unsigned long *error_count)
284 {
285 	uint64_t mc_umc_status;
286 	uint32_t mc_umc_status_addr;
287 
288 	mc_umc_status_addr = SOC15_REG_OFFSET(UMC, 0, mmMCA_UMC_UMC0_MCUMC_STATUST0);
289 
290 	/* check the MCUMC_STATUS */
291 	mc_umc_status = RREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4);
292 	if ((REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1) &&
293 	    (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Deferred) == 1 ||
294 	    REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1 ||
295 	    REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, PCC) == 1 ||
296 	    REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UC) == 1 ||
297 	    REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, TCC) == 1))
298 		*error_count += 1;
299 }
300 
umc_v8_7_query_ras_error_count(struct amdgpu_device * adev,void * ras_error_status)301 static void umc_v8_7_query_ras_error_count(struct amdgpu_device *adev,
302 					   void *ras_error_status)
303 {
304 	struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
305 
306 	uint32_t umc_inst        = 0;
307 	uint32_t ch_inst         = 0;
308 	uint32_t umc_reg_offset  = 0;
309 
310 	LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) {
311 		umc_reg_offset = get_umc_v8_7_reg_offset(adev,
312 						      umc_inst,
313 						      ch_inst);
314 
315 		umc_v8_7_query_correctable_error_count(adev,
316 						       umc_reg_offset,
317 						       &(err_data->ce_count));
318 		umc_v8_7_querry_uncorrectable_error_count(adev,
319 							  umc_reg_offset,
320 							  &(err_data->ue_count));
321 	}
322 
323 	umc_v8_7_clear_error_count(adev);
324 }
325 
umc_v8_7_query_error_address(struct amdgpu_device * adev,struct ras_err_data * err_data,uint32_t umc_reg_offset,uint32_t ch_inst,uint32_t umc_inst)326 static void umc_v8_7_query_error_address(struct amdgpu_device *adev,
327 					 struct ras_err_data *err_data,
328 					 uint32_t umc_reg_offset,
329 					 uint32_t ch_inst,
330 					 uint32_t umc_inst)
331 {
332 	uint32_t lsb, mc_umc_status_addr;
333 	uint64_t mc_umc_status, err_addr, mc_umc_addrt0;
334 
335 	mc_umc_status_addr =
336 		SOC15_REG_OFFSET(UMC, 0, mmMCA_UMC_UMC0_MCUMC_STATUST0);
337 	mc_umc_addrt0 =
338 		SOC15_REG_OFFSET(UMC, 0, mmMCA_UMC_UMC0_MCUMC_ADDRT0);
339 	mc_umc_status = RREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4);
340 
341 	if (mc_umc_status == 0)
342 		return;
343 
344 	if (!err_data->err_addr) {
345 		/* clear umc status */
346 		WREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4, 0x0ULL);
347 		return;
348 	}
349 
350 	/* calculate error address if ue error is detected */
351 	if (REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, Val) == 1 &&
352 	    REG_GET_FIELD(mc_umc_status, MCA_UMC_UMC0_MCUMC_STATUST0, UECC) == 1) {
353 
354 		err_addr = RREG64_PCIE((mc_umc_addrt0 + umc_reg_offset) * 4);
355 		/* the lowest lsb bits should be ignored */
356 		lsb = REG_GET_FIELD(err_addr, MCA_UMC_UMC0_MCUMC_ADDRT0, LSB);
357 		err_addr = REG_GET_FIELD(err_addr, MCA_UMC_UMC0_MCUMC_ADDRT0, ErrorAddr);
358 		err_addr &= ~((0x1ULL << lsb) - 1);
359 
360 		umc_v8_7_convert_error_address(adev, err_data, err_addr,
361 								ch_inst, umc_inst);
362 	}
363 
364 	/* clear umc status */
365 	WREG64_PCIE((mc_umc_status_addr + umc_reg_offset) * 4, 0x0ULL);
366 }
367 
umc_v8_7_query_ras_error_address(struct amdgpu_device * adev,void * ras_error_status)368 static void umc_v8_7_query_ras_error_address(struct amdgpu_device *adev,
369 					     void *ras_error_status)
370 {
371 	struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
372 
373 	uint32_t umc_inst        = 0;
374 	uint32_t ch_inst         = 0;
375 	uint32_t umc_reg_offset  = 0;
376 
377 	LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) {
378 		umc_reg_offset = get_umc_v8_7_reg_offset(adev,
379 						      umc_inst,
380 						      ch_inst);
381 
382 		umc_v8_7_query_error_address(adev,
383 					     err_data,
384 					     umc_reg_offset,
385 					     ch_inst,
386 					     umc_inst);
387 	}
388 }
389 
umc_v8_7_err_cnt_init_per_channel(struct amdgpu_device * adev,uint32_t umc_reg_offset)390 static void umc_v8_7_err_cnt_init_per_channel(struct amdgpu_device *adev,
391 					      uint32_t umc_reg_offset)
392 {
393 	uint32_t ecc_err_cnt_sel, ecc_err_cnt_sel_addr;
394 	uint32_t ecc_err_cnt_addr;
395 
396 	ecc_err_cnt_sel_addr =
397 		SOC15_REG_OFFSET(UMC, 0, mmUMCCH0_0_GeccErrCntSel);
398 	ecc_err_cnt_addr =
399 		SOC15_REG_OFFSET(UMC, 0, mmUMCCH0_0_GeccErrCnt);
400 
401 	/* select the lower chip and check the error count */
402 	ecc_err_cnt_sel = RREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4);
403 	ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_GeccErrCntSel,
404 					GeccErrCntCsSel, 0);
405 	/* set ce error interrupt type to APIC based interrupt */
406 	ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_GeccErrCntSel,
407 					GeccErrInt, 0x1);
408 	WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4, ecc_err_cnt_sel);
409 	/* set error count to initial value */
410 	WREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4, UMC_V8_7_CE_CNT_INIT);
411 
412 	/* select the higher chip and check the err counter */
413 	ecc_err_cnt_sel = REG_SET_FIELD(ecc_err_cnt_sel, UMCCH0_0_GeccErrCntSel,
414 					GeccErrCntCsSel, 1);
415 	WREG32_PCIE((ecc_err_cnt_sel_addr + umc_reg_offset) * 4, ecc_err_cnt_sel);
416 	WREG32_PCIE((ecc_err_cnt_addr + umc_reg_offset) * 4, UMC_V8_7_CE_CNT_INIT);
417 }
418 
umc_v8_7_err_cnt_init(struct amdgpu_device * adev)419 static void umc_v8_7_err_cnt_init(struct amdgpu_device *adev)
420 {
421 	uint32_t umc_inst        = 0;
422 	uint32_t ch_inst         = 0;
423 	uint32_t umc_reg_offset  = 0;
424 
425 	LOOP_UMC_INST_AND_CH(umc_inst, ch_inst) {
426 		umc_reg_offset = get_umc_v8_7_reg_offset(adev,
427 						      umc_inst,
428 						      ch_inst);
429 
430 		umc_v8_7_err_cnt_init_per_channel(adev, umc_reg_offset);
431 	}
432 }
433 
434 const struct amdgpu_ras_block_hw_ops umc_v8_7_ras_hw_ops = {
435 	.query_ras_error_count = umc_v8_7_query_ras_error_count,
436 	.query_ras_error_address = umc_v8_7_query_ras_error_address,
437 };
438 
439 struct amdgpu_umc_ras umc_v8_7_ras = {
440 	.ras_block = {
441 		.hw_ops = &umc_v8_7_ras_hw_ops,
442 	},
443 	.err_cnt_init = umc_v8_7_err_cnt_init,
444 	.ecc_info_query_ras_error_count = umc_v8_7_ecc_info_query_ras_error_count,
445 	.ecc_info_query_ras_error_address = umc_v8_7_ecc_info_query_ras_error_address,
446 };
447