xref: /netbsd-src/sys/external/bsd/drm2/dist/drm/amd/amdgpu/amdgpu_gfxhub_v2_0.c (revision 41ec02673d281bbb3d38e6c78504ce6e30c228c1)
1 /*	$NetBSD: amdgpu_gfxhub_v2_0.c,v 1.2 2021/12/18 23:44:58 riastradh Exp $	*/
2 
3 /*
4  * Copyright 2019 Advanced Micro Devices, Inc.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be included in
14  * all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22  * OTHER DEALINGS IN THE SOFTWARE.
23  *
24  */
25 
26 #include <sys/cdefs.h>
27 __KERNEL_RCSID(0, "$NetBSD: amdgpu_gfxhub_v2_0.c,v 1.2 2021/12/18 23:44:58 riastradh Exp $");
28 
29 #include "amdgpu.h"
30 #include "gfxhub_v2_0.h"
31 
32 #include "gc/gc_10_1_0_offset.h"
33 #include "gc/gc_10_1_0_sh_mask.h"
34 #include "gc/gc_10_1_0_default.h"
35 #include "navi10_enum.h"
36 
37 #include "soc15_common.h"
38 
gfxhub_v2_0_get_fb_location(struct amdgpu_device * adev)39 u64 gfxhub_v2_0_get_fb_location(struct amdgpu_device *adev)
40 {
41 	u64 base = RREG32_SOC15(GC, 0, mmGCMC_VM_FB_LOCATION_BASE);
42 
43 	base &= GCMC_VM_FB_LOCATION_BASE__FB_BASE_MASK;
44 	base <<= 24;
45 
46 	return base;
47 }
48 
gfxhub_v2_0_get_mc_fb_offset(struct amdgpu_device * adev)49 u64 gfxhub_v2_0_get_mc_fb_offset(struct amdgpu_device *adev)
50 {
51 	return (u64)RREG32_SOC15(GC, 0, mmGCMC_VM_FB_OFFSET) << 24;
52 }
53 
gfxhub_v2_0_setup_vm_pt_regs(struct amdgpu_device * adev,uint32_t vmid,uint64_t page_table_base)54 void gfxhub_v2_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
55 				uint64_t page_table_base)
56 {
57 	/* two registers distance between mmGCVM_CONTEXT0_* to mmGCVM_CONTEXT1_* */
58 	int offset = mmGCVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32
59 			- mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
60 
61 	WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
62 				offset * vmid, lower_32_bits(page_table_base));
63 
64 	WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
65 				offset * vmid, upper_32_bits(page_table_base));
66 }
67 
gfxhub_v2_0_init_gart_aperture_regs(struct amdgpu_device * adev)68 static void gfxhub_v2_0_init_gart_aperture_regs(struct amdgpu_device *adev)
69 {
70 	uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
71 
72 	gfxhub_v2_0_setup_vm_pt_regs(adev, 0, pt_base);
73 
74 	WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
75 		     (u32)(adev->gmc.gart_start >> 12));
76 	WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
77 		     (u32)(adev->gmc.gart_start >> 44));
78 
79 	WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
80 		     (u32)(adev->gmc.gart_end >> 12));
81 	WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
82 		     (u32)(adev->gmc.gart_end >> 44));
83 }
84 
gfxhub_v2_0_init_system_aperture_regs(struct amdgpu_device * adev)85 static void gfxhub_v2_0_init_system_aperture_regs(struct amdgpu_device *adev)
86 {
87 	uint64_t value;
88 
89 	/* Disable AGP. */
90 	WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_BASE, 0);
91 	WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_TOP, 0);
92 	WREG32_SOC15(GC, 0, mmGCMC_VM_AGP_BOT, 0x00FFFFFF);
93 
94 	/* Program the system aperture low logical page number. */
95 	WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_LOW_ADDR,
96 		     adev->gmc.vram_start >> 18);
97 	WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
98 		     adev->gmc.vram_end >> 18);
99 
100 	/* Set default page address. */
101 	value = adev->vram_scratch.gpu_addr - adev->gmc.vram_start
102 		+ adev->vm_manager.vram_base_offset;
103 	WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
104 		     (u32)(value >> 12));
105 	WREG32_SOC15(GC, 0, mmGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
106 		     (u32)(value >> 44));
107 
108 	/* Program "protection fault". */
109 	WREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
110 		     (u32)(adev->dummy_page_addr >> 12));
111 	WREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
112 		     (u32)((u64)adev->dummy_page_addr >> 44));
113 
114 	WREG32_FIELD15(GC, 0, GCVM_L2_PROTECTION_FAULT_CNTL2,
115 		       ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
116 }
117 
118 
gfxhub_v2_0_init_tlb_regs(struct amdgpu_device * adev)119 static void gfxhub_v2_0_init_tlb_regs(struct amdgpu_device *adev)
120 {
121 	uint32_t tmp;
122 
123 	/* Setup TLB control */
124 	tmp = RREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL);
125 
126 	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
127 	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
128 	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
129 			    ENABLE_ADVANCED_DRIVER_MODEL, 1);
130 	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
131 			    SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
132 	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0);
133 	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
134 			    MTYPE, MTYPE_UC); /* UC, uncached */
135 
136 	WREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL, tmp);
137 }
138 
gfxhub_v2_0_init_cache_regs(struct amdgpu_device * adev)139 static void gfxhub_v2_0_init_cache_regs(struct amdgpu_device *adev)
140 {
141 	uint32_t tmp;
142 
143 	/* Setup L2 cache */
144 	tmp = RREG32_SOC15(GC, 0, mmGCVM_L2_CNTL);
145 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_CACHE, 1);
146 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0);
147 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL,
148 			    ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
149 	/* XXX for emulation, Refer to closed source code.*/
150 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL,
151 			    L2_PDE0_CACHE_TAG_GENERATION_MODE, 0);
152 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
153 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
154 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
155 	WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL, tmp);
156 
157 	tmp = RREG32_SOC15(GC, 0, mmGCVM_L2_CNTL2);
158 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
159 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
160 	WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL2, tmp);
161 
162 	tmp = mmGCVM_L2_CNTL3_DEFAULT;
163 	if (adev->gmc.translate_further) {
164 		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 12);
165 		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3,
166 				    L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
167 	} else {
168 		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 9);
169 		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3,
170 				    L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
171 	}
172 	WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL3, tmp);
173 
174 	tmp = mmGCVM_L2_CNTL4_DEFAULT;
175 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
176 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
177 	WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL4, tmp);
178 }
179 
gfxhub_v2_0_enable_system_domain(struct amdgpu_device * adev)180 static void gfxhub_v2_0_enable_system_domain(struct amdgpu_device *adev)
181 {
182 	uint32_t tmp;
183 
184 	tmp = RREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_CNTL);
185 	tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
186 	tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
187 	tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL,
188 			    RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
189 	WREG32_SOC15(GC, 0, mmGCVM_CONTEXT0_CNTL, tmp);
190 }
191 
gfxhub_v2_0_disable_identity_aperture(struct amdgpu_device * adev)192 static void gfxhub_v2_0_disable_identity_aperture(struct amdgpu_device *adev)
193 {
194 	WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
195 		     0xFFFFFFFF);
196 	WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
197 		     0x0000000F);
198 
199 	WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32,
200 		     0);
201 	WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32,
202 		     0);
203 
204 	WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0);
205 	WREG32_SOC15(GC, 0, mmGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0);
206 
207 }
208 
gfxhub_v2_0_setup_vmid_config(struct amdgpu_device * adev)209 static void gfxhub_v2_0_setup_vmid_config(struct amdgpu_device *adev)
210 {
211 	int i;
212 	uint32_t tmp;
213 
214 	for (i = 0; i <= 14; i++) {
215 		tmp = RREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_CNTL, i);
216 		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
217 		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
218 				    adev->vm_manager.num_level);
219 		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
220 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
221 		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
222 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
223 		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
224 				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
225 		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
226 				VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
227 		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
228 				READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
229 		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
230 				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
231 		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
232 				EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
233 		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
234 				PAGE_TABLE_BLOCK_SIZE,
235 				adev->vm_manager.block_size - 9);
236 		/* Send no-retry XNACK on fault to suppress VM fault storm. */
237 		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
238 				    RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
239 				    !amdgpu_noretry);
240 		WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_CNTL, i, tmp);
241 		WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32, i*2, 0);
242 		WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32, i*2, 0);
243 		WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,  i*2,
244 			lower_32_bits(adev->vm_manager.max_pfn - 1));
245 		WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32, i*2,
246 			upper_32_bits(adev->vm_manager.max_pfn - 1));
247 	}
248 }
249 
gfxhub_v2_0_program_invalidation(struct amdgpu_device * adev)250 static void gfxhub_v2_0_program_invalidation(struct amdgpu_device *adev)
251 {
252 	unsigned i;
253 
254 	for (i = 0 ; i < 18; ++i) {
255 		WREG32_SOC15_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
256 				    2 * i, 0xffffffff);
257 		WREG32_SOC15_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
258 				    2 * i, 0x1f);
259 	}
260 }
261 
gfxhub_v2_0_gart_enable(struct amdgpu_device * adev)262 int gfxhub_v2_0_gart_enable(struct amdgpu_device *adev)
263 {
264 	if (amdgpu_sriov_vf(adev)) {
265 		/*
266 		 * GCMC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are
267 		 * VF copy registers so vbios post doesn't program them, for
268 		 * SRIOV driver need to program them
269 		 */
270 		WREG32_SOC15(GC, 0, mmGCMC_VM_FB_LOCATION_BASE,
271 			     adev->gmc.vram_start >> 24);
272 		WREG32_SOC15(GC, 0, mmGCMC_VM_FB_LOCATION_TOP,
273 			     adev->gmc.vram_end >> 24);
274 	}
275 
276 	/* GART Enable. */
277 	gfxhub_v2_0_init_gart_aperture_regs(adev);
278 	gfxhub_v2_0_init_system_aperture_regs(adev);
279 	gfxhub_v2_0_init_tlb_regs(adev);
280 	gfxhub_v2_0_init_cache_regs(adev);
281 
282 	gfxhub_v2_0_enable_system_domain(adev);
283 	gfxhub_v2_0_disable_identity_aperture(adev);
284 	gfxhub_v2_0_setup_vmid_config(adev);
285 	gfxhub_v2_0_program_invalidation(adev);
286 
287 	return 0;
288 }
289 
gfxhub_v2_0_gart_disable(struct amdgpu_device * adev)290 void gfxhub_v2_0_gart_disable(struct amdgpu_device *adev)
291 {
292 	u32 tmp;
293 	u32 i;
294 
295 	/* Disable all tables */
296 	for (i = 0; i < 16; i++)
297 		WREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT0_CNTL, i, 0);
298 
299 	/* Setup TLB control */
300 	tmp = RREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL);
301 	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
302 	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
303 			    ENABLE_ADVANCED_DRIVER_MODEL, 0);
304 	WREG32_SOC15(GC, 0, mmGCMC_VM_MX_L1_TLB_CNTL, tmp);
305 
306 	/* Setup L2 cache */
307 	WREG32_FIELD15(GC, 0, GCVM_L2_CNTL, ENABLE_L2_CACHE, 0);
308 	WREG32_SOC15(GC, 0, mmGCVM_L2_CNTL3, 0);
309 }
310 
311 /**
312  * gfxhub_v2_0_set_fault_enable_default - update GART/VM fault handling
313  *
314  * @adev: amdgpu_device pointer
315  * @value: true redirects VM faults to the default page
316  */
gfxhub_v2_0_set_fault_enable_default(struct amdgpu_device * adev,bool value)317 void gfxhub_v2_0_set_fault_enable_default(struct amdgpu_device *adev,
318 					  bool value)
319 {
320 	u32 tmp;
321 	tmp = RREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL);
322 	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
323 			    RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
324 	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
325 			    PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
326 	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
327 			    PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
328 	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
329 			    PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
330 	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
331 			    TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
332 			    value);
333 	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
334 			    NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
335 	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
336 			    DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
337 	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
338 			    VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
339 	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
340 			    READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
341 	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
342 			    WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
343 	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
344 			    EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
345 	if (!value) {
346 		tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
347 				CRASH_ON_NO_RETRY_FAULT, 1);
348 		tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
349 				CRASH_ON_RETRY_FAULT, 1);
350 	}
351 	WREG32_SOC15(GC, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL, tmp);
352 }
353 
gfxhub_v2_0_init(struct amdgpu_device * adev)354 void gfxhub_v2_0_init(struct amdgpu_device *adev)
355 {
356 	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
357 
358 	hub->ctx0_ptb_addr_lo32 =
359 		SOC15_REG_OFFSET(GC, 0,
360 				 mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
361 	hub->ctx0_ptb_addr_hi32 =
362 		SOC15_REG_OFFSET(GC, 0,
363 				 mmGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
364 	hub->vm_inv_eng0_sem =
365 		SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_SEM);
366 	hub->vm_inv_eng0_req =
367 		SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_REQ);
368 	hub->vm_inv_eng0_ack =
369 		SOC15_REG_OFFSET(GC, 0, mmGCVM_INVALIDATE_ENG0_ACK);
370 	hub->vm_context0_cntl =
371 		SOC15_REG_OFFSET(GC, 0, mmGCVM_CONTEXT0_CNTL);
372 	hub->vm_l2_pro_fault_status =
373 		SOC15_REG_OFFSET(GC, 0, mmGCVM_L2_PROTECTION_FAULT_STATUS);
374 	hub->vm_l2_pro_fault_cntl =
375 		SOC15_REG_OFFSET(GC, 0, mmGCVM_L2_PROTECTION_FAULT_CNTL);
376 }
377