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 "amdgpu.h"
24 #include "amdgpu_ras.h"
25 #include "mmhub_v1_0.h"
26
27 #include "mmhub/mmhub_1_0_offset.h"
28 #include "mmhub/mmhub_1_0_sh_mask.h"
29 #include "mmhub/mmhub_1_0_default.h"
30 #include "vega10_enum.h"
31 #include "soc15.h"
32 #include "soc15_common.h"
33
34 #define mmDAGB0_CNTL_MISC2_RV 0x008f
35 #define mmDAGB0_CNTL_MISC2_RV_BASE_IDX 0
36
mmhub_v1_0_get_fb_location(struct amdgpu_device * adev)37 static u64 mmhub_v1_0_get_fb_location(struct amdgpu_device *adev)
38 {
39 u64 base = RREG32_SOC15(MMHUB, 0, mmMC_VM_FB_LOCATION_BASE);
40 u64 top = RREG32_SOC15(MMHUB, 0, mmMC_VM_FB_LOCATION_TOP);
41
42 base &= MC_VM_FB_LOCATION_BASE__FB_BASE_MASK;
43 base <<= 24;
44
45 top &= MC_VM_FB_LOCATION_TOP__FB_TOP_MASK;
46 top <<= 24;
47
48 adev->gmc.fb_start = base;
49 adev->gmc.fb_end = top;
50
51 return base;
52 }
53
mmhub_v1_0_setup_vm_pt_regs(struct amdgpu_device * adev,uint32_t vmid,uint64_t page_table_base)54 static void mmhub_v1_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
55 uint64_t page_table_base)
56 {
57 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
58
59 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
60 hub->ctx_addr_distance * vmid,
61 lower_32_bits(page_table_base));
62
63 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
64 hub->ctx_addr_distance * vmid,
65 upper_32_bits(page_table_base));
66 }
67
mmhub_v1_0_init_gart_aperture_regs(struct amdgpu_device * adev)68 static void mmhub_v1_0_init_gart_aperture_regs(struct amdgpu_device *adev)
69 {
70 uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
71
72 mmhub_v1_0_setup_vm_pt_regs(adev, 0, pt_base);
73
74 WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
75 (u32)(adev->gmc.gart_start >> 12));
76 WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
77 (u32)(adev->gmc.gart_start >> 44));
78
79 WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
80 (u32)(adev->gmc.gart_end >> 12));
81 WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
82 (u32)(adev->gmc.gart_end >> 44));
83 }
84
mmhub_v1_0_init_system_aperture_regs(struct amdgpu_device * adev)85 static void mmhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
86 {
87 uint64_t value;
88 uint32_t tmp;
89
90 /* Program the AGP BAR */
91 WREG32_SOC15(MMHUB, 0, mmMC_VM_AGP_BASE, 0);
92 WREG32_SOC15(MMHUB, 0, mmMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
93 WREG32_SOC15(MMHUB, 0, mmMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
94
95 /* Program the system aperture low logical page number. */
96 WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
97 min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
98
99 if (adev->apu_flags & (AMD_APU_IS_RAVEN2 |
100 AMD_APU_IS_RENOIR |
101 AMD_APU_IS_GREEN_SARDINE))
102 /*
103 * Raven2 has a HW issue that it is unable to use the vram which
104 * is out of MC_VM_SYSTEM_APERTURE_HIGH_ADDR. So here is the
105 * workaround that increase system aperture high address (add 1)
106 * to get rid of the VM fault and hardware hang.
107 */
108 WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
109 max((adev->gmc.fb_end >> 18) + 0x1,
110 adev->gmc.agp_end >> 18));
111 else
112 WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
113 max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
114
115 if (amdgpu_sriov_vf(adev))
116 return;
117
118 /* Set default page address. */
119 value = amdgpu_gmc_vram_mc2pa(adev, adev->mem_scratch.gpu_addr);
120 WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
121 (u32)(value >> 12));
122 WREG32_SOC15(MMHUB, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
123 (u32)(value >> 44));
124
125 /* Program "protection fault". */
126 WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
127 (u32)(adev->dummy_page_addr >> 12));
128 WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
129 (u32)((u64)adev->dummy_page_addr >> 44));
130
131 tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL2);
132 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL2,
133 ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
134 WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL2, tmp);
135 }
136
mmhub_v1_0_init_tlb_regs(struct amdgpu_device * adev)137 static void mmhub_v1_0_init_tlb_regs(struct amdgpu_device *adev)
138 {
139 uint32_t tmp;
140
141 /* Setup TLB control */
142 tmp = RREG32_SOC15(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL);
143
144 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
145 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
146 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
147 ENABLE_ADVANCED_DRIVER_MODEL, 1);
148 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
149 SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
150 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
151 MTYPE, MTYPE_UC);/* XXX for emulation. */
152 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1);
153
154 WREG32_SOC15(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
155 }
156
mmhub_v1_0_init_cache_regs(struct amdgpu_device * adev)157 static void mmhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
158 {
159 uint32_t tmp;
160
161 if (amdgpu_sriov_vf(adev))
162 return;
163
164 /* Setup L2 cache */
165 tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL);
166 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
167 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
168 /* XXX for emulation, Refer to closed source code.*/
169 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE,
170 0);
171 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
172 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
173 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
174 WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL, tmp);
175
176 tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL2);
177 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
178 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
179 WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL2, tmp);
180
181 tmp = mmVM_L2_CNTL3_DEFAULT;
182 if (adev->gmc.translate_further) {
183 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12);
184 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
185 L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
186 } else {
187 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 9);
188 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
189 L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
190 }
191 WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL3, tmp);
192
193 tmp = mmVM_L2_CNTL4_DEFAULT;
194 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
195 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
196 WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL4, tmp);
197 }
198
mmhub_v1_0_enable_system_domain(struct amdgpu_device * adev)199 static void mmhub_v1_0_enable_system_domain(struct amdgpu_device *adev)
200 {
201 uint32_t tmp;
202
203 tmp = RREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_CNTL);
204 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
205 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
206 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL,
207 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
208 WREG32_SOC15(MMHUB, 0, mmVM_CONTEXT0_CNTL, tmp);
209 }
210
mmhub_v1_0_disable_identity_aperture(struct amdgpu_device * adev)211 static void mmhub_v1_0_disable_identity_aperture(struct amdgpu_device *adev)
212 {
213 if (amdgpu_sriov_vf(adev))
214 return;
215
216 WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
217 0XFFFFFFFF);
218 WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
219 0x0000000F);
220
221 WREG32_SOC15(MMHUB, 0,
222 mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32, 0);
223 WREG32_SOC15(MMHUB, 0,
224 mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32, 0);
225
226 WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32,
227 0);
228 WREG32_SOC15(MMHUB, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32,
229 0);
230 }
231
mmhub_v1_0_setup_vmid_config(struct amdgpu_device * adev)232 static void mmhub_v1_0_setup_vmid_config(struct amdgpu_device *adev)
233 {
234 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
235 unsigned num_level, block_size;
236 uint32_t tmp;
237 int i;
238
239 num_level = adev->vm_manager.num_level;
240 block_size = adev->vm_manager.block_size;
241 if (adev->gmc.translate_further)
242 num_level -= 1;
243 else
244 block_size -= 9;
245
246 for (i = 0; i <= 14; i++) {
247 tmp = RREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_CNTL, i);
248 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
249 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
250 num_level);
251 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
252 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
253 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
254 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT,
255 1);
256 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
257 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
258 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
259 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
260 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
261 READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
262 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
263 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
264 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
265 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
266 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
267 PAGE_TABLE_BLOCK_SIZE,
268 block_size);
269 /* Send no-retry XNACK on fault to suppress VM fault storm. */
270 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
271 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
272 !adev->gmc.noretry);
273 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_CNTL,
274 i * hub->ctx_distance, tmp);
275 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
276 i * hub->ctx_addr_distance, 0);
277 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
278 i * hub->ctx_addr_distance, 0);
279 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
280 i * hub->ctx_addr_distance,
281 lower_32_bits(adev->vm_manager.max_pfn - 1));
282 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
283 i * hub->ctx_addr_distance,
284 upper_32_bits(adev->vm_manager.max_pfn - 1));
285 }
286 }
287
mmhub_v1_0_program_invalidation(struct amdgpu_device * adev)288 static void mmhub_v1_0_program_invalidation(struct amdgpu_device *adev)
289 {
290 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
291 unsigned i;
292
293 for (i = 0; i < 18; ++i) {
294 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
295 i * hub->eng_addr_distance, 0xffffffff);
296 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
297 i * hub->eng_addr_distance, 0x1f);
298 }
299 }
300
mmhub_v1_0_update_power_gating(struct amdgpu_device * adev,bool enable)301 static void mmhub_v1_0_update_power_gating(struct amdgpu_device *adev,
302 bool enable)
303 {
304 if (amdgpu_sriov_vf(adev))
305 return;
306
307 if (adev->pg_flags & AMD_PG_SUPPORT_MMHUB)
308 amdgpu_dpm_set_powergating_by_smu(adev,
309 AMD_IP_BLOCK_TYPE_GMC,
310 enable);
311 }
312
mmhub_v1_0_gart_enable(struct amdgpu_device * adev)313 static int mmhub_v1_0_gart_enable(struct amdgpu_device *adev)
314 {
315 if (amdgpu_sriov_vf(adev)) {
316 /*
317 * MC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are
318 * VF copy registers so vbios post doesn't program them, for
319 * SRIOV driver need to program them
320 */
321 WREG32_SOC15(MMHUB, 0, mmMC_VM_FB_LOCATION_BASE,
322 adev->gmc.vram_start >> 24);
323 WREG32_SOC15(MMHUB, 0, mmMC_VM_FB_LOCATION_TOP,
324 adev->gmc.vram_end >> 24);
325 }
326
327 /* GART Enable. */
328 mmhub_v1_0_init_gart_aperture_regs(adev);
329 mmhub_v1_0_init_system_aperture_regs(adev);
330 mmhub_v1_0_init_tlb_regs(adev);
331 mmhub_v1_0_init_cache_regs(adev);
332
333 mmhub_v1_0_enable_system_domain(adev);
334 mmhub_v1_0_disable_identity_aperture(adev);
335 mmhub_v1_0_setup_vmid_config(adev);
336 mmhub_v1_0_program_invalidation(adev);
337
338 return 0;
339 }
340
mmhub_v1_0_gart_disable(struct amdgpu_device * adev)341 static void mmhub_v1_0_gart_disable(struct amdgpu_device *adev)
342 {
343 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
344 u32 tmp;
345 u32 i;
346
347 /* Disable all tables */
348 for (i = 0; i < AMDGPU_NUM_VMID; i++)
349 WREG32_SOC15_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL,
350 i * hub->ctx_distance, 0);
351
352 /* Setup TLB control */
353 tmp = RREG32_SOC15(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL);
354 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
355 tmp = REG_SET_FIELD(tmp,
356 MC_VM_MX_L1_TLB_CNTL,
357 ENABLE_ADVANCED_DRIVER_MODEL,
358 0);
359 WREG32_SOC15(MMHUB, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
360
361 if (!amdgpu_sriov_vf(adev)) {
362 /* Setup L2 cache */
363 tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL);
364 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
365 WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL, tmp);
366 WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL3, 0);
367 }
368 }
369
370 /**
371 * mmhub_v1_0_set_fault_enable_default - update GART/VM fault handling
372 *
373 * @adev: amdgpu_device pointer
374 * @value: true redirects VM faults to the default page
375 */
mmhub_v1_0_set_fault_enable_default(struct amdgpu_device * adev,bool value)376 static void mmhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev, bool value)
377 {
378 u32 tmp;
379
380 if (amdgpu_sriov_vf(adev))
381 return;
382
383 tmp = RREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
384 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
385 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
386 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
387 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
388 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
389 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
390 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
391 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
392 tmp = REG_SET_FIELD(tmp,
393 VM_L2_PROTECTION_FAULT_CNTL,
394 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
395 value);
396 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
397 NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
398 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
399 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
400 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
401 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
402 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
403 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
404 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
405 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
406 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
407 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
408 if (!value) {
409 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
410 CRASH_ON_NO_RETRY_FAULT, 1);
411 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
412 CRASH_ON_RETRY_FAULT, 1);
413 }
414
415 WREG32_SOC15(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL, tmp);
416 }
417
mmhub_v1_0_init(struct amdgpu_device * adev)418 static void mmhub_v1_0_init(struct amdgpu_device *adev)
419 {
420 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB0(0)];
421
422 hub->ctx0_ptb_addr_lo32 =
423 SOC15_REG_OFFSET(MMHUB, 0,
424 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
425 hub->ctx0_ptb_addr_hi32 =
426 SOC15_REG_OFFSET(MMHUB, 0,
427 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
428 hub->vm_inv_eng0_sem =
429 SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_SEM);
430 hub->vm_inv_eng0_req =
431 SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_REQ);
432 hub->vm_inv_eng0_ack =
433 SOC15_REG_OFFSET(MMHUB, 0, mmVM_INVALIDATE_ENG0_ACK);
434 hub->vm_context0_cntl =
435 SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL);
436 hub->vm_l2_pro_fault_status =
437 SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_STATUS);
438 hub->vm_l2_pro_fault_cntl =
439 SOC15_REG_OFFSET(MMHUB, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
440
441 hub->ctx_distance = mmVM_CONTEXT1_CNTL - mmVM_CONTEXT0_CNTL;
442 hub->ctx_addr_distance = mmVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
443 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
444 hub->eng_distance = mmVM_INVALIDATE_ENG1_REQ - mmVM_INVALIDATE_ENG0_REQ;
445 hub->eng_addr_distance = mmVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
446 mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
447 }
448
mmhub_v1_0_update_medium_grain_clock_gating(struct amdgpu_device * adev,bool enable)449 static void mmhub_v1_0_update_medium_grain_clock_gating(struct amdgpu_device *adev,
450 bool enable)
451 {
452 uint32_t def, data, def1, data1, def2 = 0, data2 = 0;
453
454 def = data = RREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG);
455
456 if (adev->asic_type != CHIP_RAVEN) {
457 def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2);
458 def2 = data2 = RREG32_SOC15(MMHUB, 0, mmDAGB1_CNTL_MISC2);
459 } else
460 def1 = data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_RV);
461
462 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG)) {
463 data |= ATC_L2_MISC_CG__ENABLE_MASK;
464
465 data1 &= ~(DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
466 DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
467 DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
468 DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
469 DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
470 DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
471
472 if (adev->asic_type != CHIP_RAVEN)
473 data2 &= ~(DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
474 DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
475 DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
476 DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
477 DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
478 DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
479 } else {
480 data &= ~ATC_L2_MISC_CG__ENABLE_MASK;
481
482 data1 |= (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
483 DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
484 DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
485 DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
486 DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
487 DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
488
489 if (adev->asic_type != CHIP_RAVEN)
490 data2 |= (DAGB1_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
491 DAGB1_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
492 DAGB1_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
493 DAGB1_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
494 DAGB1_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
495 DAGB1_CNTL_MISC2__DISABLE_TLBRD_CG_MASK);
496 }
497
498 if (def != data)
499 WREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG, data);
500
501 if (def1 != data1) {
502 if (adev->asic_type != CHIP_RAVEN)
503 WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2, data1);
504 else
505 WREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2_RV, data1);
506 }
507
508 if (adev->asic_type != CHIP_RAVEN && def2 != data2)
509 WREG32_SOC15(MMHUB, 0, mmDAGB1_CNTL_MISC2, data2);
510 }
511
mmhub_v1_0_update_medium_grain_light_sleep(struct amdgpu_device * adev,bool enable)512 static void mmhub_v1_0_update_medium_grain_light_sleep(struct amdgpu_device *adev,
513 bool enable)
514 {
515 uint32_t def, data;
516
517 def = data = RREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG);
518
519 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS))
520 data |= ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
521 else
522 data &= ~ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK;
523
524 if (def != data)
525 WREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG, data);
526 }
527
mmhub_v1_0_set_clockgating(struct amdgpu_device * adev,enum amd_clockgating_state state)528 static int mmhub_v1_0_set_clockgating(struct amdgpu_device *adev,
529 enum amd_clockgating_state state)
530 {
531 if (amdgpu_sriov_vf(adev))
532 return 0;
533
534 switch (adev->asic_type) {
535 case CHIP_VEGA10:
536 case CHIP_VEGA12:
537 case CHIP_VEGA20:
538 case CHIP_RAVEN:
539 case CHIP_RENOIR:
540 mmhub_v1_0_update_medium_grain_clock_gating(adev,
541 state == AMD_CG_STATE_GATE);
542 mmhub_v1_0_update_medium_grain_light_sleep(adev,
543 state == AMD_CG_STATE_GATE);
544 break;
545 default:
546 break;
547 }
548
549 return 0;
550 }
551
mmhub_v1_0_get_clockgating(struct amdgpu_device * adev,u64 * flags)552 static void mmhub_v1_0_get_clockgating(struct amdgpu_device *adev, u64 *flags)
553 {
554 int data, data1;
555
556 if (amdgpu_sriov_vf(adev))
557 *flags = 0;
558
559 data = RREG32_SOC15(MMHUB, 0, mmATC_L2_MISC_CG);
560
561 data1 = RREG32_SOC15(MMHUB, 0, mmDAGB0_CNTL_MISC2);
562
563 /* AMD_CG_SUPPORT_MC_MGCG */
564 if ((data & ATC_L2_MISC_CG__ENABLE_MASK) &&
565 !(data1 & (DAGB0_CNTL_MISC2__DISABLE_WRREQ_CG_MASK |
566 DAGB0_CNTL_MISC2__DISABLE_WRRET_CG_MASK |
567 DAGB0_CNTL_MISC2__DISABLE_RDREQ_CG_MASK |
568 DAGB0_CNTL_MISC2__DISABLE_RDRET_CG_MASK |
569 DAGB0_CNTL_MISC2__DISABLE_TLBWR_CG_MASK |
570 DAGB0_CNTL_MISC2__DISABLE_TLBRD_CG_MASK)))
571 *flags |= AMD_CG_SUPPORT_MC_MGCG;
572
573 /* AMD_CG_SUPPORT_MC_LS */
574 if (data & ATC_L2_MISC_CG__MEM_LS_ENABLE_MASK)
575 *flags |= AMD_CG_SUPPORT_MC_LS;
576 }
577
578 static const struct soc15_ras_field_entry mmhub_v1_0_ras_fields[] = {
579 { "MMEA0_DRAMRD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
580 SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMRD_CMDMEM_SEC_COUNT),
581 SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMRD_CMDMEM_DED_COUNT),
582 },
583 { "MMEA0_DRAMWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
584 SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMWR_CMDMEM_SEC_COUNT),
585 SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMWR_CMDMEM_DED_COUNT),
586 },
587 { "MMEA0_DRAMWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
588 SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMWR_DATAMEM_SEC_COUNT),
589 SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMWR_DATAMEM_DED_COUNT),
590 },
591 { "MMEA0_RRET_TAGMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
592 SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, RRET_TAGMEM_SEC_COUNT),
593 SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, RRET_TAGMEM_DED_COUNT),
594 },
595 { "MMEA0_WRET_TAGMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
596 SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, WRET_TAGMEM_SEC_COUNT),
597 SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, WRET_TAGMEM_DED_COUNT),
598 },
599 { "MMEA0_DRAMRD_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
600 SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMRD_PAGEMEM_SED_COUNT),
601 0, 0,
602 },
603 { "MMEA0_DRAMWR_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
604 SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, DRAMWR_PAGEMEM_SED_COUNT),
605 0, 0,
606 },
607 { "MMEA0_IORD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
608 SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, IORD_CMDMEM_SED_COUNT),
609 0, 0,
610 },
611 { "MMEA0_IOWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
612 SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, IOWR_CMDMEM_SED_COUNT),
613 0, 0,
614 },
615 { "MMEA0_IOWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20),
616 SOC15_REG_FIELD(MMEA0_EDC_CNT_VG20, IOWR_DATAMEM_SED_COUNT),
617 0, 0,
618 },
619 { "MMEA0_GMIRD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20),
620 SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIRD_CMDMEM_SEC_COUNT),
621 SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIRD_CMDMEM_DED_COUNT),
622 },
623 { "MMEA0_GMIWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20),
624 SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIWR_CMDMEM_SEC_COUNT),
625 SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIWR_CMDMEM_DED_COUNT),
626 },
627 { "MMEA0_GMIWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20),
628 SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIWR_DATAMEM_SEC_COUNT),
629 SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIWR_DATAMEM_DED_COUNT),
630 },
631 { "MMEA0_GMIRD_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20),
632 SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIRD_PAGEMEM_SED_COUNT),
633 0, 0,
634 },
635 { "MMEA0_GMIWR_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20),
636 SOC15_REG_FIELD(MMEA0_EDC_CNT2_VG20, GMIWR_PAGEMEM_SED_COUNT),
637 0, 0,
638 },
639 { "MMEA1_DRAMRD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
640 SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMRD_CMDMEM_SEC_COUNT),
641 SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMRD_CMDMEM_DED_COUNT),
642 },
643 { "MMEA1_DRAMWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
644 SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMWR_CMDMEM_SEC_COUNT),
645 SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMWR_CMDMEM_DED_COUNT),
646 },
647 { "MMEA1_DRAMWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
648 SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMWR_DATAMEM_SEC_COUNT),
649 SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMWR_DATAMEM_DED_COUNT),
650 },
651 { "MMEA1_RRET_TAGMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
652 SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, RRET_TAGMEM_SEC_COUNT),
653 SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, RRET_TAGMEM_DED_COUNT),
654 },
655 { "MMEA1_WRET_TAGMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
656 SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, WRET_TAGMEM_SEC_COUNT),
657 SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, WRET_TAGMEM_DED_COUNT),
658 },
659 { "MMEA1_DRAMRD_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
660 SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMRD_PAGEMEM_SED_COUNT),
661 0, 0,
662 },
663 { "MMEA1_DRAMWR_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
664 SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, DRAMWR_PAGEMEM_SED_COUNT),
665 0, 0,
666 },
667 { "MMEA1_IORD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
668 SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, IORD_CMDMEM_SED_COUNT),
669 0, 0,
670 },
671 { "MMEA1_IOWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
672 SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, IOWR_CMDMEM_SED_COUNT),
673 0, 0,
674 },
675 { "MMEA1_IOWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20),
676 SOC15_REG_FIELD(MMEA1_EDC_CNT_VG20, IOWR_DATAMEM_SED_COUNT),
677 0, 0,
678 },
679 { "MMEA1_GMIRD_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20),
680 SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIRD_CMDMEM_SEC_COUNT),
681 SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIRD_CMDMEM_DED_COUNT),
682 },
683 { "MMEA1_GMIWR_CMDMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20),
684 SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIWR_CMDMEM_SEC_COUNT),
685 SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIWR_CMDMEM_DED_COUNT),
686 },
687 { "MMEA1_GMIWR_DATAMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20),
688 SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIWR_DATAMEM_SEC_COUNT),
689 SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIWR_DATAMEM_DED_COUNT),
690 },
691 { "MMEA1_GMIRD_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20),
692 SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIRD_PAGEMEM_SED_COUNT),
693 0, 0,
694 },
695 { "MMEA1_GMIWR_PAGEMEM", SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20),
696 SOC15_REG_FIELD(MMEA1_EDC_CNT2_VG20, GMIWR_PAGEMEM_SED_COUNT),
697 0, 0,
698 }
699 };
700
701 static const struct soc15_reg_entry mmhub_v1_0_edc_cnt_regs[] = {
702 { SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT_VG20), 0, 0, 0},
703 { SOC15_REG_ENTRY(MMHUB, 0, mmMMEA0_EDC_CNT2_VG20), 0, 0, 0},
704 { SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT_VG20), 0, 0, 0},
705 { SOC15_REG_ENTRY(MMHUB, 0, mmMMEA1_EDC_CNT2_VG20), 0, 0, 0},
706 };
707
mmhub_v1_0_get_ras_error_count(struct amdgpu_device * adev,const struct soc15_reg_entry * reg,uint32_t value,uint32_t * sec_count,uint32_t * ded_count)708 static int mmhub_v1_0_get_ras_error_count(struct amdgpu_device *adev,
709 const struct soc15_reg_entry *reg,
710 uint32_t value, uint32_t *sec_count, uint32_t *ded_count)
711 {
712 uint32_t i;
713 uint32_t sec_cnt, ded_cnt;
714
715 for (i = 0; i < ARRAY_SIZE(mmhub_v1_0_ras_fields); i++) {
716 if (mmhub_v1_0_ras_fields[i].reg_offset != reg->reg_offset)
717 continue;
718
719 sec_cnt = (value &
720 mmhub_v1_0_ras_fields[i].sec_count_mask) >>
721 mmhub_v1_0_ras_fields[i].sec_count_shift;
722 if (sec_cnt) {
723 dev_info(adev->dev,
724 "MMHUB SubBlock %s, SEC %d\n",
725 mmhub_v1_0_ras_fields[i].name,
726 sec_cnt);
727 *sec_count += sec_cnt;
728 }
729
730 ded_cnt = (value &
731 mmhub_v1_0_ras_fields[i].ded_count_mask) >>
732 mmhub_v1_0_ras_fields[i].ded_count_shift;
733 if (ded_cnt) {
734 dev_info(adev->dev,
735 "MMHUB SubBlock %s, DED %d\n",
736 mmhub_v1_0_ras_fields[i].name,
737 ded_cnt);
738 *ded_count += ded_cnt;
739 }
740 }
741
742 return 0;
743 }
744
mmhub_v1_0_query_ras_error_count(struct amdgpu_device * adev,void * ras_error_status)745 static void mmhub_v1_0_query_ras_error_count(struct amdgpu_device *adev,
746 void *ras_error_status)
747 {
748 struct ras_err_data *err_data = (struct ras_err_data *)ras_error_status;
749 uint32_t sec_count = 0, ded_count = 0;
750 uint32_t i;
751 uint32_t reg_value;
752
753 err_data->ue_count = 0;
754 err_data->ce_count = 0;
755
756 for (i = 0; i < ARRAY_SIZE(mmhub_v1_0_edc_cnt_regs); i++) {
757 reg_value =
758 RREG32(SOC15_REG_ENTRY_OFFSET(mmhub_v1_0_edc_cnt_regs[i]));
759 if (reg_value)
760 mmhub_v1_0_get_ras_error_count(adev,
761 &mmhub_v1_0_edc_cnt_regs[i],
762 reg_value, &sec_count, &ded_count);
763 }
764
765 err_data->ce_count += sec_count;
766 err_data->ue_count += ded_count;
767 }
768
mmhub_v1_0_reset_ras_error_count(struct amdgpu_device * adev)769 static void mmhub_v1_0_reset_ras_error_count(struct amdgpu_device *adev)
770 {
771 uint32_t i;
772
773 /* read back edc counter registers to reset the counters to 0 */
774 if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__MMHUB)) {
775 for (i = 0; i < ARRAY_SIZE(mmhub_v1_0_edc_cnt_regs); i++)
776 RREG32(SOC15_REG_ENTRY_OFFSET(mmhub_v1_0_edc_cnt_regs[i]));
777 }
778 }
779
780 struct amdgpu_ras_block_hw_ops mmhub_v1_0_ras_hw_ops = {
781 .query_ras_error_count = mmhub_v1_0_query_ras_error_count,
782 .reset_ras_error_count = mmhub_v1_0_reset_ras_error_count,
783 };
784
785 struct amdgpu_mmhub_ras mmhub_v1_0_ras = {
786 .ras_block = {
787 .hw_ops = &mmhub_v1_0_ras_hw_ops,
788 },
789 };
790
791 const struct amdgpu_mmhub_funcs mmhub_v1_0_funcs = {
792 .get_fb_location = mmhub_v1_0_get_fb_location,
793 .init = mmhub_v1_0_init,
794 .gart_enable = mmhub_v1_0_gart_enable,
795 .set_fault_enable_default = mmhub_v1_0_set_fault_enable_default,
796 .gart_disable = mmhub_v1_0_gart_disable,
797 .set_clockgating = mmhub_v1_0_set_clockgating,
798 .get_clockgating = mmhub_v1_0_get_clockgating,
799 .setup_vm_pt_regs = mmhub_v1_0_setup_vm_pt_regs,
800 .update_power_gating = mmhub_v1_0_update_power_gating,
801 };
802