2 * Copyright 2016 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
24 #include "gfxhub_v1_0.h"
25 #include "gfxhub_v1_1.h"
27 #include "gc/gc_9_0_offset.h"
28 #include "gc/gc_9_0_sh_mask.h"
29 #include "gc/gc_9_0_default.h"
30 #include "vega10_enum.h"
32 #include "soc15_common.h"
34 static u64 gfxhub_v1_0_get_mc_fb_offset(struct amdgpu_device *adev)
36 return (u64)RREG32_SOC15(GC, 0, mmMC_VM_FB_OFFSET) << 24;
39 static void gfxhub_v1_0_setup_vm_pt_regs(struct amdgpu_device *adev,
41 uint64_t page_table_base)
43 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
45 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
46 hub->ctx_addr_distance * vmid,
47 lower_32_bits(page_table_base));
49 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
50 hub->ctx_addr_distance * vmid,
51 upper_32_bits(page_table_base));
54 static void gfxhub_v1_0_init_gart_aperture_regs(struct amdgpu_device *adev)
58 if (adev->gmc.pdb0_bo)
59 pt_base = amdgpu_gmc_pd_addr(adev->gmc.pdb0_bo);
61 pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
63 gfxhub_v1_0_setup_vm_pt_regs(adev, 0, pt_base);
65 /* If use GART for FB translation, vmid0 page table covers both
66 * vram and system memory (gart)
68 if (adev->gmc.pdb0_bo) {
69 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
70 (u32)(adev->gmc.fb_start >> 12));
71 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
72 (u32)(adev->gmc.fb_start >> 44));
74 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
75 (u32)(adev->gmc.gart_end >> 12));
76 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
77 (u32)(adev->gmc.gart_end >> 44));
79 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
80 (u32)(adev->gmc.gart_start >> 12));
81 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
82 (u32)(adev->gmc.gart_start >> 44));
84 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
85 (u32)(adev->gmc.gart_end >> 12));
86 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
87 (u32)(adev->gmc.gart_end >> 44));
91 static void gfxhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
95 /* Program the AGP BAR */
96 WREG32_SOC15_RLC(GC, 0, mmMC_VM_AGP_BASE, 0);
97 WREG32_SOC15_RLC(GC, 0, mmMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
98 WREG32_SOC15_RLC(GC, 0, mmMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
100 if (!amdgpu_sriov_vf(adev) || adev->asic_type <= CHIP_VEGA10) {
101 /* Program the system aperture low logical page number. */
102 WREG32_SOC15_RLC(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
103 min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
105 if (adev->apu_flags & AMD_APU_IS_RAVEN2)
107 * Raven2 has a HW issue that it is unable to use the
108 * vram which is out of MC_VM_SYSTEM_APERTURE_HIGH_ADDR.
109 * So here is the workaround that increase system
110 * aperture high address (add 1) to get rid of the VM
111 * fault and hardware hang.
113 WREG32_SOC15_RLC(GC, 0,
114 mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
115 max((adev->gmc.fb_end >> 18) + 0x1,
116 adev->gmc.agp_end >> 18));
119 GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
120 max(adev->gmc.fb_end, adev->gmc.agp_end) >> 18);
122 /* Set default page address. */
123 value = amdgpu_gmc_vram_mc2pa(adev, adev->vram_scratch.gpu_addr);
124 WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
126 WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
129 /* Program "protection fault". */
130 WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
131 (u32)(adev->dummy_page_addr >> 12));
132 WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
133 (u32)((u64)adev->dummy_page_addr >> 44));
135 WREG32_FIELD15(GC, 0, VM_L2_PROTECTION_FAULT_CNTL2,
136 ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
139 /* In the case squeezing vram into GART aperture, we don't use
140 * FB aperture and AGP aperture. Disable them.
142 if (adev->gmc.pdb0_bo) {
143 WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_TOP, 0);
144 WREG32_SOC15(GC, 0, mmMC_VM_FB_LOCATION_BASE, 0x00FFFFFF);
145 WREG32_SOC15(GC, 0, mmMC_VM_AGP_TOP, 0);
146 WREG32_SOC15(GC, 0, mmMC_VM_AGP_BOT, 0xFFFFFF);
147 WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR, 0x3FFFFFFF);
148 WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR, 0);
152 static void gfxhub_v1_0_init_tlb_regs(struct amdgpu_device *adev)
156 /* Setup TLB control */
157 tmp = RREG32_SOC15(GC, 0, mmMC_VM_MX_L1_TLB_CNTL);
159 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
160 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
161 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
162 ENABLE_ADVANCED_DRIVER_MODEL, 1);
163 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
164 SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
165 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0);
166 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
167 MTYPE, MTYPE_UC);/* XXX for emulation. */
168 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1);
170 WREG32_SOC15_RLC(GC, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
173 static void gfxhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
178 tmp = RREG32_SOC15(GC, 0, mmVM_L2_CNTL);
179 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
180 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
181 /* XXX for emulation, Refer to closed source code.*/
182 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE,
184 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
185 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
186 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
187 WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL, tmp);
189 tmp = RREG32_SOC15(GC, 0, mmVM_L2_CNTL2);
190 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
191 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
192 WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL2, tmp);
194 tmp = mmVM_L2_CNTL3_DEFAULT;
195 if (adev->gmc.translate_further) {
196 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12);
197 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
198 L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
200 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 9);
201 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
202 L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
204 WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL3, tmp);
206 tmp = mmVM_L2_CNTL4_DEFAULT;
207 if (adev->gmc.xgmi.connected_to_cpu) {
208 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 1);
209 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 1);
211 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
212 tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
214 WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL4, tmp);
217 static void gfxhub_v1_0_enable_system_domain(struct amdgpu_device *adev)
221 tmp = RREG32_SOC15(GC, 0, mmVM_CONTEXT0_CNTL);
222 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
223 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH,
224 adev->gmc.vmid0_page_table_depth);
225 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_BLOCK_SIZE,
226 adev->gmc.vmid0_page_table_block_size);
227 tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL,
228 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
229 WREG32_SOC15(GC, 0, mmVM_CONTEXT0_CNTL, tmp);
232 static void gfxhub_v1_0_disable_identity_aperture(struct amdgpu_device *adev)
234 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
236 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
239 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32,
241 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32,
244 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0);
245 WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0);
249 static void gfxhub_v1_0_setup_vmid_config(struct amdgpu_device *adev)
251 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
252 unsigned num_level, block_size;
256 num_level = adev->vm_manager.num_level;
257 block_size = adev->vm_manager.block_size;
258 if (adev->gmc.translate_further)
263 for (i = 0; i <= 14; i++) {
264 tmp = RREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_CNTL, i);
265 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
266 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
268 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
269 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
270 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
271 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT,
273 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
274 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
275 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
276 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
277 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
278 READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
279 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
280 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
281 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
282 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
283 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
284 PAGE_TABLE_BLOCK_SIZE,
286 /* Send no-retry XNACK on fault to suppress VM fault storm.
287 * On Aldebaran, XNACK can be enabled in the SQ per-process.
288 * Retry faults need to be enabled for that to work.
290 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
291 RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
292 !adev->gmc.noretry ||
293 adev->asic_type == CHIP_ALDEBARAN);
294 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_CNTL,
295 i * hub->ctx_distance, tmp);
296 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
297 i * hub->ctx_addr_distance, 0);
298 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
299 i * hub->ctx_addr_distance, 0);
300 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
301 i * hub->ctx_addr_distance,
302 lower_32_bits(adev->vm_manager.max_pfn - 1));
303 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
304 i * hub->ctx_addr_distance,
305 upper_32_bits(adev->vm_manager.max_pfn - 1));
309 static void gfxhub_v1_0_program_invalidation(struct amdgpu_device *adev)
311 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
314 for (i = 0 ; i < 18; ++i) {
315 WREG32_SOC15_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
316 i * hub->eng_addr_distance, 0xffffffff);
317 WREG32_SOC15_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
318 i * hub->eng_addr_distance, 0x1f);
322 static int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev)
325 gfxhub_v1_0_init_gart_aperture_regs(adev);
326 gfxhub_v1_0_init_system_aperture_regs(adev);
327 gfxhub_v1_0_init_tlb_regs(adev);
328 if (!amdgpu_sriov_vf(adev))
329 gfxhub_v1_0_init_cache_regs(adev);
331 gfxhub_v1_0_enable_system_domain(adev);
332 if (!amdgpu_sriov_vf(adev))
333 gfxhub_v1_0_disable_identity_aperture(adev);
334 gfxhub_v1_0_setup_vmid_config(adev);
335 gfxhub_v1_0_program_invalidation(adev);
340 static void gfxhub_v1_0_gart_disable(struct amdgpu_device *adev)
342 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
346 /* Disable all tables */
347 for (i = 0; i < 16; i++)
348 WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL,
349 i * hub->ctx_distance, 0);
351 if (amdgpu_sriov_vf(adev))
352 /* Avoid write to GMC registers */
355 /* Setup TLB control */
356 tmp = RREG32_SOC15(GC, 0, mmMC_VM_MX_L1_TLB_CNTL);
357 tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
358 tmp = REG_SET_FIELD(tmp,
359 MC_VM_MX_L1_TLB_CNTL,
360 ENABLE_ADVANCED_DRIVER_MODEL,
362 WREG32_SOC15_RLC(GC, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
365 WREG32_FIELD15(GC, 0, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
366 WREG32_SOC15(GC, 0, mmVM_L2_CNTL3, 0);
370 * gfxhub_v1_0_set_fault_enable_default - update GART/VM fault handling
372 * @adev: amdgpu_device pointer
373 * @value: true redirects VM faults to the default page
375 static void gfxhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev,
379 tmp = RREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
380 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
381 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
382 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
383 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
384 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
385 PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
386 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
387 PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
388 tmp = REG_SET_FIELD(tmp,
389 VM_L2_PROTECTION_FAULT_CNTL,
390 TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
392 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
393 NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
394 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
395 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
396 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
397 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
398 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
399 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
400 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
401 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
402 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
403 EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
405 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
406 CRASH_ON_NO_RETRY_FAULT, 1);
407 tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
408 CRASH_ON_RETRY_FAULT, 1);
410 WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL, tmp);
413 static void gfxhub_v1_0_init(struct amdgpu_device *adev)
415 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
417 hub->ctx0_ptb_addr_lo32 =
418 SOC15_REG_OFFSET(GC, 0,
419 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
420 hub->ctx0_ptb_addr_hi32 =
421 SOC15_REG_OFFSET(GC, 0,
422 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
423 hub->vm_inv_eng0_sem =
424 SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_SEM);
425 hub->vm_inv_eng0_req =
426 SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_REQ);
427 hub->vm_inv_eng0_ack =
428 SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ACK);
429 hub->vm_context0_cntl =
430 SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL);
431 hub->vm_l2_pro_fault_status =
432 SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_STATUS);
433 hub->vm_l2_pro_fault_cntl =
434 SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
436 hub->ctx_distance = mmVM_CONTEXT1_CNTL - mmVM_CONTEXT0_CNTL;
437 hub->ctx_addr_distance = mmVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
438 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
439 hub->eng_distance = mmVM_INVALIDATE_ENG1_REQ - mmVM_INVALIDATE_ENG0_REQ;
440 hub->eng_addr_distance = mmVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
441 mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
445 const struct amdgpu_gfxhub_funcs gfxhub_v1_0_funcs = {
446 .get_mc_fb_offset = gfxhub_v1_0_get_mc_fb_offset,
447 .setup_vm_pt_regs = gfxhub_v1_0_setup_vm_pt_regs,
448 .gart_enable = gfxhub_v1_0_gart_enable,
449 .gart_disable = gfxhub_v1_0_gart_disable,
450 .set_fault_enable_default = gfxhub_v1_0_set_fault_enable_default,
451 .init = gfxhub_v1_0_init,
452 .get_xgmi_info = gfxhub_v1_1_get_xgmi_info,