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 "gfxhub_v1_0.h"
25 
26 #include "gc/gc_9_0_offset.h"
27 #include "gc/gc_9_0_sh_mask.h"
28 #include "gc/gc_9_0_default.h"
29 #include "vega10_enum.h"
30 
31 #include "soc15_common.h"
32 
gfxhub_v1_0_get_mc_fb_offset(struct amdgpu_device * adev)33 u64 gfxhub_v1_0_get_mc_fb_offset(struct amdgpu_device *adev)
34 {
35 	return (u64)RREG32_SOC15(GC, 0, mmMC_VM_FB_OFFSET) << 24;
36 }
37 
gfxhub_v1_0_setup_vm_pt_regs(struct amdgpu_device * adev,uint32_t vmid,uint64_t page_table_base)38 void gfxhub_v1_0_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
39 				uint64_t page_table_base)
40 {
41 	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
42 
43 	WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
44 			    hub->ctx_addr_distance * vmid,
45 			    lower_32_bits(page_table_base));
46 
47 	WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
48 			    hub->ctx_addr_distance * vmid,
49 			    upper_32_bits(page_table_base));
50 }
51 
gfxhub_v1_0_init_gart_aperture_regs(struct amdgpu_device * adev)52 static void gfxhub_v1_0_init_gart_aperture_regs(struct amdgpu_device *adev)
53 {
54 	uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
55 
56 	gfxhub_v1_0_setup_vm_pt_regs(adev, 0, pt_base);
57 
58 	WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
59 		     (u32)(adev->gmc.gart_start >> 12));
60 	WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
61 		     (u32)(adev->gmc.gart_start >> 44));
62 
63 	WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
64 		     (u32)(adev->gmc.gart_end >> 12));
65 	WREG32_SOC15(GC, 0, mmVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
66 		     (u32)(adev->gmc.gart_end >> 44));
67 }
68 
gfxhub_v1_0_init_system_aperture_regs(struct amdgpu_device * adev)69 static void gfxhub_v1_0_init_system_aperture_regs(struct amdgpu_device *adev)
70 {
71 	uint64_t value;
72 
73 	/* Program the AGP BAR */
74 	WREG32_SOC15_RLC(GC, 0, mmMC_VM_AGP_BASE, 0);
75 	WREG32_SOC15_RLC(GC, 0, mmMC_VM_AGP_BOT, adev->gmc.agp_start >> 24);
76 	WREG32_SOC15_RLC(GC, 0, mmMC_VM_AGP_TOP, adev->gmc.agp_end >> 24);
77 
78 	if (!amdgpu_sriov_vf(adev) || adev->asic_type <= CHIP_VEGA10) {
79 		/* Program the system aperture low logical page number. */
80 		WREG32_SOC15_RLC(GC, 0, mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
81 			min(adev->gmc.fb_start, adev->gmc.agp_start) >> 18);
82 
83 		if (adev->apu_flags & AMD_APU_IS_RAVEN2)
84 			/*
85 			* Raven2 has a HW issue that it is unable to use the
86 			* vram which is out of MC_VM_SYSTEM_APERTURE_HIGH_ADDR.
87 			* So here is the workaround that increase system
88 			* aperture high address (add 1) to get rid of the VM
89 			* fault and hardware hang.
90 			*/
91 			WREG32_SOC15_RLC(GC, 0,
92 					 mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
93 					 max((adev->gmc.fb_end >> 18) + 0x1,
94 					     adev->gmc.agp_end >> 18));
95 		else
96 			WREG32_SOC15_RLC(
97 				GC, 0, mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
98 				max(adev->gmc.fb_end, adev->gmc.agp_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, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
104 			     (u32)(value >> 12));
105 		WREG32_SOC15(GC, 0, mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
106 			     (u32)(value >> 44));
107 
108 		/* Program "protection fault". */
109 		WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
110 			     (u32)(adev->dummy_page_addr >> 12));
111 		WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
112 			     (u32)((u64)adev->dummy_page_addr >> 44));
113 
114 		WREG32_FIELD15(GC, 0, VM_L2_PROTECTION_FAULT_CNTL2,
115 			       ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
116 	}
117 }
118 
gfxhub_v1_0_init_tlb_regs(struct amdgpu_device * adev)119 static void gfxhub_v1_0_init_tlb_regs(struct amdgpu_device *adev)
120 {
121 	uint32_t tmp;
122 
123 	/* Setup TLB control */
124 	tmp = RREG32_SOC15(GC, 0, mmMC_VM_MX_L1_TLB_CNTL);
125 
126 	tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
127 	tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
128 	tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
129 			    ENABLE_ADVANCED_DRIVER_MODEL, 1);
130 	tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
131 			    SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
132 	tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0);
133 	tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL,
134 			    MTYPE, MTYPE_UC);/* XXX for emulation. */
135 	tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ATC_EN, 1);
136 
137 	WREG32_SOC15_RLC(GC, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
138 }
139 
gfxhub_v1_0_init_cache_regs(struct amdgpu_device * adev)140 static void gfxhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
141 {
142 	uint32_t tmp;
143 
144 	/* Setup L2 cache */
145 	tmp = RREG32_SOC15(GC, 0, mmVM_L2_CNTL);
146 	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_CACHE, 1);
147 	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 1);
148 	/* XXX for emulation, Refer to closed source code.*/
149 	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, L2_PDE0_CACHE_TAG_GENERATION_MODE,
150 			    0);
151 	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
152 	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
153 	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
154 	WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL, tmp);
155 
156 	tmp = RREG32_SOC15(GC, 0, mmVM_L2_CNTL2);
157 	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
158 	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
159 	WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL2, tmp);
160 
161 	tmp = mmVM_L2_CNTL3_DEFAULT;
162 	if (adev->gmc.translate_further) {
163 		tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 12);
164 		tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
165 				    L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
166 	} else {
167 		tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3, BANK_SELECT, 9);
168 		tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
169 				    L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
170 	}
171 	WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL3, tmp);
172 
173 	tmp = mmVM_L2_CNTL4_DEFAULT;
174 	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
175 	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
176 	WREG32_SOC15_RLC(GC, 0, mmVM_L2_CNTL4, tmp);
177 }
178 
gfxhub_v1_0_enable_system_domain(struct amdgpu_device * adev)179 static void gfxhub_v1_0_enable_system_domain(struct amdgpu_device *adev)
180 {
181 	uint32_t tmp;
182 
183 	tmp = RREG32_SOC15(GC, 0, mmVM_CONTEXT0_CNTL);
184 	tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
185 	tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
186 	tmp = REG_SET_FIELD(tmp, VM_CONTEXT0_CNTL,
187 			    RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
188 	WREG32_SOC15(GC, 0, mmVM_CONTEXT0_CNTL, tmp);
189 }
190 
gfxhub_v1_0_disable_identity_aperture(struct amdgpu_device * adev)191 static void gfxhub_v1_0_disable_identity_aperture(struct amdgpu_device *adev)
192 {
193 	WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
194 		     0XFFFFFFFF);
195 	WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
196 		     0x0000000F);
197 
198 	WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32,
199 		     0);
200 	WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32,
201 		     0);
202 
203 	WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0);
204 	WREG32_SOC15(GC, 0, mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0);
205 
206 }
207 
gfxhub_v1_0_setup_vmid_config(struct amdgpu_device * adev)208 static void gfxhub_v1_0_setup_vmid_config(struct amdgpu_device *adev)
209 {
210 	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
211 	unsigned num_level, block_size;
212 	uint32_t tmp;
213 	int i;
214 
215 	num_level = adev->vm_manager.num_level;
216 	block_size = adev->vm_manager.block_size;
217 	if (adev->gmc.translate_further)
218 		num_level -= 1;
219 	else
220 		block_size -= 9;
221 
222 	for (i = 0; i <= 14; i++) {
223 		tmp = RREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_CNTL, i);
224 		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
225 		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
226 				    num_level);
227 		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
228 				    RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
229 		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
230 				    DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT,
231 				    1);
232 		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
233 				    PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
234 		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
235 				    VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
236 		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
237 				    READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
238 		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
239 				    WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
240 		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
241 				    EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
242 		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
243 				    PAGE_TABLE_BLOCK_SIZE,
244 				    block_size);
245 		/* Send no-retry XNACK on fault to suppress VM fault storm. */
246 		tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
247 				    RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
248 				    !adev->gmc.noretry);
249 		WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_CNTL,
250 				    i * hub->ctx_distance, tmp);
251 		WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
252 				    i * hub->ctx_addr_distance, 0);
253 		WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
254 				    i * hub->ctx_addr_distance, 0);
255 		WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
256 				    i * hub->ctx_addr_distance,
257 				    lower_32_bits(adev->vm_manager.max_pfn - 1));
258 		WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
259 				    i * hub->ctx_addr_distance,
260 				    upper_32_bits(adev->vm_manager.max_pfn - 1));
261 	}
262 }
263 
gfxhub_v1_0_program_invalidation(struct amdgpu_device * adev)264 static void gfxhub_v1_0_program_invalidation(struct amdgpu_device *adev)
265 {
266 	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
267 	unsigned i;
268 
269 	for (i = 0 ; i < 18; ++i) {
270 		WREG32_SOC15_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
271 				    i * hub->eng_addr_distance, 0xffffffff);
272 		WREG32_SOC15_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
273 				    i * hub->eng_addr_distance, 0x1f);
274 	}
275 }
276 
gfxhub_v1_0_gart_enable(struct amdgpu_device * adev)277 int gfxhub_v1_0_gart_enable(struct amdgpu_device *adev)
278 {
279 	if (amdgpu_sriov_vf(adev) && adev->asic_type != CHIP_ARCTURUS) {
280 		/*
281 		 * MC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are
282 		 * VF copy registers so vbios post doesn't program them, for
283 		 * SRIOV driver need to program them
284 		 */
285 		WREG32_SOC15_RLC(GC, 0, mmMC_VM_FB_LOCATION_BASE,
286 			     adev->gmc.vram_start >> 24);
287 		WREG32_SOC15_RLC(GC, 0, mmMC_VM_FB_LOCATION_TOP,
288 			     adev->gmc.vram_end >> 24);
289 	}
290 
291 	/* GART Enable. */
292 	gfxhub_v1_0_init_gart_aperture_regs(adev);
293 	gfxhub_v1_0_init_system_aperture_regs(adev);
294 	gfxhub_v1_0_init_tlb_regs(adev);
295 	if (!amdgpu_sriov_vf(adev))
296 		gfxhub_v1_0_init_cache_regs(adev);
297 
298 	gfxhub_v1_0_enable_system_domain(adev);
299 	if (!amdgpu_sriov_vf(adev))
300 		gfxhub_v1_0_disable_identity_aperture(adev);
301 	gfxhub_v1_0_setup_vmid_config(adev);
302 	gfxhub_v1_0_program_invalidation(adev);
303 
304 	return 0;
305 }
306 
gfxhub_v1_0_gart_disable(struct amdgpu_device * adev)307 void gfxhub_v1_0_gart_disable(struct amdgpu_device *adev)
308 {
309 	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
310 	u32 tmp;
311 	u32 i;
312 
313 	/* Disable all tables */
314 	for (i = 0; i < 16; i++)
315 		WREG32_SOC15_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL,
316 				    i * hub->ctx_distance, 0);
317 
318 	/* Setup TLB control */
319 	tmp = RREG32_SOC15(GC, 0, mmMC_VM_MX_L1_TLB_CNTL);
320 	tmp = REG_SET_FIELD(tmp, MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
321 	tmp = REG_SET_FIELD(tmp,
322 				MC_VM_MX_L1_TLB_CNTL,
323 				ENABLE_ADVANCED_DRIVER_MODEL,
324 				0);
325 	WREG32_SOC15_RLC(GC, 0, mmMC_VM_MX_L1_TLB_CNTL, tmp);
326 
327 	/* Setup L2 cache */
328 	WREG32_FIELD15(GC, 0, VM_L2_CNTL, ENABLE_L2_CACHE, 0);
329 	WREG32_SOC15(GC, 0, mmVM_L2_CNTL3, 0);
330 }
331 
332 /**
333  * gfxhub_v1_0_set_fault_enable_default - update GART/VM fault handling
334  *
335  * @adev: amdgpu_device pointer
336  * @value: true redirects VM faults to the default page
337  */
gfxhub_v1_0_set_fault_enable_default(struct amdgpu_device * adev,bool value)338 void gfxhub_v1_0_set_fault_enable_default(struct amdgpu_device *adev,
339 					  bool value)
340 {
341 	u32 tmp;
342 	tmp = RREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
343 	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
344 			RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
345 	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
346 			PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
347 	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
348 			PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
349 	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
350 			PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
351 	tmp = REG_SET_FIELD(tmp,
352 			VM_L2_PROTECTION_FAULT_CNTL,
353 			TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
354 			value);
355 	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
356 			NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
357 	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
358 			DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
359 	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
360 			VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
361 	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
362 			READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
363 	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
364 			WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
365 	tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
366 			EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
367 	if (!value) {
368 		tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
369 				CRASH_ON_NO_RETRY_FAULT, 1);
370 		tmp = REG_SET_FIELD(tmp, VM_L2_PROTECTION_FAULT_CNTL,
371 				CRASH_ON_RETRY_FAULT, 1);
372 	}
373 	WREG32_SOC15(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL, tmp);
374 }
375 
gfxhub_v1_0_init(struct amdgpu_device * adev)376 void gfxhub_v1_0_init(struct amdgpu_device *adev)
377 {
378 	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
379 
380 	hub->ctx0_ptb_addr_lo32 =
381 		SOC15_REG_OFFSET(GC, 0,
382 				 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
383 	hub->ctx0_ptb_addr_hi32 =
384 		SOC15_REG_OFFSET(GC, 0,
385 				 mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
386 	hub->vm_inv_eng0_sem =
387 		SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_SEM);
388 	hub->vm_inv_eng0_req =
389 		SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_REQ);
390 	hub->vm_inv_eng0_ack =
391 		SOC15_REG_OFFSET(GC, 0, mmVM_INVALIDATE_ENG0_ACK);
392 	hub->vm_context0_cntl =
393 		SOC15_REG_OFFSET(GC, 0, mmVM_CONTEXT0_CNTL);
394 	hub->vm_l2_pro_fault_status =
395 		SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_STATUS);
396 	hub->vm_l2_pro_fault_cntl =
397 		SOC15_REG_OFFSET(GC, 0, mmVM_L2_PROTECTION_FAULT_CNTL);
398 
399 	hub->ctx_distance = mmVM_CONTEXT1_CNTL - mmVM_CONTEXT0_CNTL;
400 	hub->ctx_addr_distance = mmVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
401 		mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
402 	hub->eng_distance = mmVM_INVALIDATE_ENG1_REQ - mmVM_INVALIDATE_ENG0_REQ;
403 	hub->eng_addr_distance = mmVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
404 		mmVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
405 }
406 
407 
408 const struct amdgpu_gfxhub_funcs gfxhub_v1_0_funcs = {
409 	.get_mc_fb_offset = gfxhub_v1_0_get_mc_fb_offset,
410 	.setup_vm_pt_regs = gfxhub_v1_0_setup_vm_pt_regs,
411 	.gart_enable = gfxhub_v1_0_gart_enable,
412 	.gart_disable = gfxhub_v1_0_gart_disable,
413 	.set_fault_enable_default = gfxhub_v1_0_set_fault_enable_default,
414 	.init = gfxhub_v1_0_init,
415 };
416