xref: /linux/drivers/gpu/drm/amd/amdgpu/gfxhub_v3_0_3.c (revision 6c8c1406)
1 /*
2  * Copyright 2022 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 
24 #include "amdgpu.h"
25 #include "gfxhub_v3_0_3.h"
26 
27 #include "gc/gc_11_0_3_offset.h"
28 #include "gc/gc_11_0_3_sh_mask.h"
29 #include "navi10_enum.h"
30 #include "soc15_common.h"
31 
32 #define regGCVM_L2_CNTL3_DEFAULT		0x80100007
33 #define regGCVM_L2_CNTL4_DEFAULT		0x000000c1
34 #define regGCVM_L2_CNTL5_DEFAULT		0x00003fe0
35 
36 static const char *gfxhub_client_ids[] = {
37 	"CB/DB",
38 	"Reserved",
39 	"GE1",
40 	"GE2",
41 	"CPF",
42 	"CPC",
43 	"CPG",
44 	"RLC",
45 	"TCP",
46 	"SQC (inst)",
47 	"SQC (data)",
48 	"SQG",
49 	"Reserved",
50 	"SDMA0",
51 	"SDMA1",
52 	"GCR",
53 	"SDMA2",
54 	"SDMA3",
55 };
56 
57 static uint32_t gfxhub_v3_0_3_get_invalidate_req(unsigned int vmid,
58 					       uint32_t flush_type)
59 {
60 	u32 req = 0;
61 
62 	/* invalidate using legacy mode on vmid*/
63 	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ,
64 			    PER_VMID_INVALIDATE_REQ, 1 << vmid);
65 	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);
66 	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);
67 	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);
68 	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);
69 	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);
70 	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);
71 	req = REG_SET_FIELD(req, GCVM_INVALIDATE_ENG0_REQ,
72 			    CLEAR_PROTECTION_FAULT_STATUS_ADDR,	0);
73 
74 	return req;
75 }
76 
77 static void
78 gfxhub_v3_0_3_print_l2_protection_fault_status(struct amdgpu_device *adev,
79 					     uint32_t status)
80 {
81 	u32 cid = REG_GET_FIELD(status,
82 				GCVM_L2_PROTECTION_FAULT_STATUS, CID);
83 
84 	dev_err(adev->dev,
85 		"GCVM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
86 		status);
87 	dev_err(adev->dev, "\t Faulty UTCL2 client ID: %s (0x%x)\n",
88 		cid >= ARRAY_SIZE(gfxhub_client_ids) ? "unknown" : gfxhub_client_ids[cid],
89 		cid);
90 	dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
91 		REG_GET_FIELD(status,
92 		GCVM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
93 	dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n",
94 		REG_GET_FIELD(status,
95 		GCVM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR));
96 	dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n",
97 		REG_GET_FIELD(status,
98 		GCVM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS));
99 	dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n",
100 		REG_GET_FIELD(status,
101 		GCVM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR));
102 	dev_err(adev->dev, "\t RW: 0x%lx\n",
103 		REG_GET_FIELD(status,
104 		GCVM_L2_PROTECTION_FAULT_STATUS, RW));
105 }
106 
107 static u64 gfxhub_v3_0_3_get_fb_location(struct amdgpu_device *adev)
108 {
109 	u64 base = RREG32_SOC15(GC, 0, regGCMC_VM_FB_LOCATION_BASE);
110 
111 	base &= GCMC_VM_FB_LOCATION_BASE__FB_BASE_MASK;
112 	base <<= 24;
113 
114 	return base;
115 }
116 
117 static u64 gfxhub_v3_0_3_get_mc_fb_offset(struct amdgpu_device *adev)
118 {
119 	return (u64)RREG32_SOC15(GC, 0, regGCMC_VM_FB_OFFSET) << 24;
120 }
121 
122 static void gfxhub_v3_0_3_setup_vm_pt_regs(struct amdgpu_device *adev, uint32_t vmid,
123 				uint64_t page_table_base)
124 {
125 	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
126 
127 	WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32,
128 			    hub->ctx_addr_distance * vmid,
129 			    lower_32_bits(page_table_base));
130 
131 	WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32,
132 			    hub->ctx_addr_distance * vmid,
133 			    upper_32_bits(page_table_base));
134 }
135 
136 static void gfxhub_v3_0_3_init_gart_aperture_regs(struct amdgpu_device *adev)
137 {
138 	uint64_t pt_base = amdgpu_gmc_pd_addr(adev->gart.bo);
139 
140 	gfxhub_v3_0_3_setup_vm_pt_regs(adev, 0, pt_base);
141 
142 	WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_LO32,
143 		     (u32)(adev->gmc.gart_start >> 12));
144 	WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_START_ADDR_HI32,
145 		     (u32)(adev->gmc.gart_start >> 44));
146 
147 	WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_LO32,
148 		     (u32)(adev->gmc.gart_end >> 12));
149 	WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_PAGE_TABLE_END_ADDR_HI32,
150 		     (u32)(adev->gmc.gart_end >> 44));
151 }
152 
153 static void gfxhub_v3_0_3_init_system_aperture_regs(struct amdgpu_device *adev)
154 {
155 	uint64_t value;
156 
157 	/* Disable AGP. */
158 	WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BASE, 0);
159 	WREG32_SOC15(GC, 0, regGCMC_VM_AGP_TOP, 0);
160 	WREG32_SOC15(GC, 0, regGCMC_VM_AGP_BOT, 0x00FFFFFF);
161 
162 	/* Program the system aperture low logical page number. */
163 	WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_LOW_ADDR,
164 		     adev->gmc.vram_start >> 18);
165 	WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
166 		     adev->gmc.vram_end >> 18);
167 
168 	/* Set default page address. */
169 	value = adev->vram_scratch.gpu_addr - adev->gmc.vram_start
170 		+ adev->vm_manager.vram_base_offset;
171 	WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_LSB,
172 		     (u32)(value >> 12));
173 	WREG32_SOC15(GC, 0, regGCMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR_MSB,
174 		     (u32)(value >> 44));
175 
176 	/* Program "protection fault". */
177 	WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_LO32,
178 		     (u32)(adev->dummy_page_addr >> 12));
179 	WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_DEFAULT_ADDR_HI32,
180 		     (u32)((u64)adev->dummy_page_addr >> 44));
181 
182 	WREG32_FIELD15_PREREG(GC, 0, GCVM_L2_PROTECTION_FAULT_CNTL2,
183 		       ACTIVE_PAGE_MIGRATION_PTE_READ_RETRY, 1);
184 }
185 
186 
187 static void gfxhub_v3_0_3_init_tlb_regs(struct amdgpu_device *adev)
188 {
189 	uint32_t tmp;
190 
191 	/* Setup TLB control */
192 	tmp = RREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL);
193 
194 	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 1);
195 	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE, 3);
196 	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
197 			    ENABLE_ADVANCED_DRIVER_MODEL, 1);
198 	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
199 			    SYSTEM_APERTURE_UNMAPPED_ACCESS, 0);
200 	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ECO_BITS, 0);
201 	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
202 			    MTYPE, MTYPE_UC); /* UC, uncached */
203 
204 	WREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, tmp);
205 }
206 
207 static void gfxhub_v3_0_3_init_cache_regs(struct amdgpu_device *adev)
208 {
209 	uint32_t tmp;
210 
211 	/* These registers are not accessible to VF-SRIOV.
212 	 * The PF will program them instead.
213 	 */
214 	if (amdgpu_sriov_vf(adev))
215 		return;
216 
217 	/* Setup L2 cache */
218 	tmp = RREG32_SOC15(GC, 0, regGCVM_L2_CNTL);
219 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_CACHE, 1);
220 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING, 0);
221 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL,
222 			    ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY, 1);
223 	/* XXX for emulation, Refer to closed source code.*/
224 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL,
225 			    L2_PDE0_CACHE_TAG_GENERATION_MODE, 0);
226 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, PDE_FAULT_CLASSIFICATION, 0);
227 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, CONTEXT1_IDENTITY_ACCESS_MODE, 1);
228 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL, IDENTITY_MODE_FRAGMENT_SIZE, 0);
229 	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL, tmp);
230 
231 	tmp = RREG32_SOC15(GC, 0, regGCVM_L2_CNTL2);
232 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS, 1);
233 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL2, INVALIDATE_L2_CACHE, 1);
234 	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL2, tmp);
235 
236 	tmp = regGCVM_L2_CNTL3_DEFAULT;
237 	if (adev->gmc.translate_further) {
238 		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 12);
239 		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3,
240 				    L2_CACHE_BIGK_FRAGMENT_SIZE, 9);
241 	} else {
242 		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3, BANK_SELECT, 9);
243 		tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL3,
244 				    L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
245 	}
246 	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL3, tmp);
247 
248 	tmp = regGCVM_L2_CNTL4_DEFAULT;
249 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
250 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL4, VMC_TAP_PTE_REQUEST_PHYSICAL, 0);
251 	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL4, tmp);
252 
253 	tmp = regGCVM_L2_CNTL5_DEFAULT;
254 	tmp = REG_SET_FIELD(tmp, GCVM_L2_CNTL5, L2_CACHE_SMALLK_FRAGMENT_SIZE, 0);
255 	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL5, tmp);
256 }
257 
258 static void gfxhub_v3_0_3_enable_system_domain(struct amdgpu_device *adev)
259 {
260 	uint32_t tmp;
261 
262 	tmp = RREG32_SOC15(GC, 0, regGCVM_CONTEXT0_CNTL);
263 	tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, ENABLE_CONTEXT, 1);
264 	tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL, PAGE_TABLE_DEPTH, 0);
265 	tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT0_CNTL,
266 			    RETRY_PERMISSION_OR_INVALID_PAGE_FAULT, 0);
267 	WREG32_SOC15(GC, 0, regGCVM_CONTEXT0_CNTL, tmp);
268 }
269 
270 static void gfxhub_v3_0_3_disable_identity_aperture(struct amdgpu_device *adev)
271 {
272 	/* These registers are not accessible to VF-SRIOV.
273 	 * The PF will program them instead.
274 	 */
275 	if (amdgpu_sriov_vf(adev))
276 		return;
277 
278 	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32,
279 		     0xFFFFFFFF);
280 	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32,
281 		     0x0000000F);
282 
283 	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32,
284 		     0);
285 	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32,
286 		     0);
287 
288 	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32, 0);
289 	WREG32_SOC15(GC, 0, regGCVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32, 0);
290 
291 }
292 
293 static void gfxhub_v3_0_3_setup_vmid_config(struct amdgpu_device *adev)
294 {
295 	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
296 	int i;
297 	uint32_t tmp;
298 
299 	for (i = 0; i <= 14; i++) {
300 		tmp = RREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_CNTL, i);
301 		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, ENABLE_CONTEXT, 1);
302 		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL, PAGE_TABLE_DEPTH,
303 				    adev->vm_manager.num_level);
304 		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
305 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
306 		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
307 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
308 		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
309 				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
310 		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
311 				VALID_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
312 		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
313 				READ_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
314 		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
315 				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
316 		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
317 				EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, 1);
318 		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
319 				PAGE_TABLE_BLOCK_SIZE,
320 				adev->vm_manager.block_size - 9);
321 		/* Send no-retry XNACK on fault to suppress VM fault storm. */
322 		tmp = REG_SET_FIELD(tmp, GCVM_CONTEXT1_CNTL,
323 				    RETRY_PERMISSION_OR_INVALID_PAGE_FAULT,
324 				    !amdgpu_noretry);
325 		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_CNTL,
326 				    i * hub->ctx_distance, tmp);
327 		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_LO32,
328 				    i * hub->ctx_addr_distance, 0);
329 		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_START_ADDR_HI32,
330 				    i * hub->ctx_addr_distance, 0);
331 		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_LO32,
332 				    i * hub->ctx_addr_distance,
333 				    lower_32_bits(adev->vm_manager.max_pfn - 1));
334 		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_PAGE_TABLE_END_ADDR_HI32,
335 				    i * hub->ctx_addr_distance,
336 				    upper_32_bits(adev->vm_manager.max_pfn - 1));
337 	}
338 
339 	hub->vm_cntx_cntl = tmp;
340 }
341 
342 static void gfxhub_v3_0_3_program_invalidation(struct amdgpu_device *adev)
343 {
344 	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
345 	unsigned i;
346 
347 	for (i = 0 ; i < 18; ++i) {
348 		WREG32_SOC15_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32,
349 				    i * hub->eng_addr_distance, 0xffffffff);
350 		WREG32_SOC15_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ADDR_RANGE_HI32,
351 				    i * hub->eng_addr_distance, 0x1f);
352 	}
353 }
354 
355 static int gfxhub_v3_0_3_gart_enable(struct amdgpu_device *adev)
356 {
357 	if (amdgpu_sriov_vf(adev)) {
358 		/*
359 		 * GCMC_VM_FB_LOCATION_BASE/TOP is NULL for VF, becuase they are
360 		 * VF copy registers so vbios post doesn't program them, for
361 		 * SRIOV driver need to program them
362 		 */
363 		WREG32_SOC15(GC, 0, regGCMC_VM_FB_LOCATION_BASE,
364 			     adev->gmc.vram_start >> 24);
365 		WREG32_SOC15(GC, 0, regGCMC_VM_FB_LOCATION_TOP,
366 			     adev->gmc.vram_end >> 24);
367 	}
368 
369 	/* GART Enable. */
370 	gfxhub_v3_0_3_init_gart_aperture_regs(adev);
371 	gfxhub_v3_0_3_init_system_aperture_regs(adev);
372 	gfxhub_v3_0_3_init_tlb_regs(adev);
373 	gfxhub_v3_0_3_init_cache_regs(adev);
374 
375 	gfxhub_v3_0_3_enable_system_domain(adev);
376 	gfxhub_v3_0_3_disable_identity_aperture(adev);
377 	gfxhub_v3_0_3_setup_vmid_config(adev);
378 	gfxhub_v3_0_3_program_invalidation(adev);
379 
380 	return 0;
381 }
382 
383 static void gfxhub_v3_0_3_gart_disable(struct amdgpu_device *adev)
384 {
385 	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
386 	u32 tmp;
387 	u32 i;
388 
389 	/* Disable all tables */
390 	for (i = 0; i < 16; i++)
391 		WREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT0_CNTL,
392 				    i * hub->ctx_distance, 0);
393 
394 	/* Setup TLB control */
395 	tmp = RREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL);
396 	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB, 0);
397 	tmp = REG_SET_FIELD(tmp, GCMC_VM_MX_L1_TLB_CNTL,
398 			    ENABLE_ADVANCED_DRIVER_MODEL, 0);
399 	WREG32_SOC15(GC, 0, regGCMC_VM_MX_L1_TLB_CNTL, tmp);
400 
401 	/* Setup L2 cache */
402 	WREG32_FIELD15_PREREG(GC, 0, GCVM_L2_CNTL, ENABLE_L2_CACHE, 0);
403 	WREG32_SOC15(GC, 0, regGCVM_L2_CNTL3, 0);
404 }
405 
406 /**
407  * gfxhub_v3_0_3_set_fault_enable_default - update GART/VM fault handling
408  *
409  * @adev: amdgpu_device pointer
410  * @value: true redirects VM faults to the default page
411  */
412 static void gfxhub_v3_0_3_set_fault_enable_default(struct amdgpu_device *adev,
413 					  bool value)
414 {
415 	u32 tmp;
416 
417 	/* These registers are not accessible to VF-SRIOV.
418 	 * The PF will program them instead.
419 	 */
420 	if (amdgpu_sriov_vf(adev))
421 		return;
422 
423 	tmp = RREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL);
424 	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
425 			    RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
426 	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
427 			    PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
428 	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
429 			    PDE1_PROTECTION_FAULT_ENABLE_DEFAULT, value);
430 	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
431 			    PDE2_PROTECTION_FAULT_ENABLE_DEFAULT, value);
432 	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
433 			    TRANSLATE_FURTHER_PROTECTION_FAULT_ENABLE_DEFAULT,
434 			    value);
435 	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
436 			    NACK_PROTECTION_FAULT_ENABLE_DEFAULT, value);
437 	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
438 			    DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
439 	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
440 			    VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
441 	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
442 			    READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
443 	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
444 			    WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
445 	tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
446 			    EXECUTE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
447 	if (!value) {
448 		tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
449 				CRASH_ON_NO_RETRY_FAULT, 1);
450 		tmp = REG_SET_FIELD(tmp, GCVM_L2_PROTECTION_FAULT_CNTL,
451 				CRASH_ON_RETRY_FAULT, 1);
452 	}
453 	WREG32_SOC15(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL, tmp);
454 }
455 
456 static const struct amdgpu_vmhub_funcs gfxhub_v3_0_3_vmhub_funcs = {
457 	.print_l2_protection_fault_status = gfxhub_v3_0_3_print_l2_protection_fault_status,
458 	.get_invalidate_req = gfxhub_v3_0_3_get_invalidate_req,
459 };
460 
461 static void gfxhub_v3_0_3_init(struct amdgpu_device *adev)
462 {
463 	struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0];
464 
465 	hub->ctx0_ptb_addr_lo32 =
466 		SOC15_REG_OFFSET(GC, 0,
467 				 regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32);
468 	hub->ctx0_ptb_addr_hi32 =
469 		SOC15_REG_OFFSET(GC, 0,
470 				 regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_HI32);
471 	hub->vm_inv_eng0_sem =
472 		SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_SEM);
473 	hub->vm_inv_eng0_req =
474 		SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_REQ);
475 	hub->vm_inv_eng0_ack =
476 		SOC15_REG_OFFSET(GC, 0, regGCVM_INVALIDATE_ENG0_ACK);
477 	hub->vm_context0_cntl =
478 		SOC15_REG_OFFSET(GC, 0, regGCVM_CONTEXT0_CNTL);
479 	hub->vm_l2_pro_fault_status =
480 		SOC15_REG_OFFSET(GC, 0, regGCVM_L2_PROTECTION_FAULT_STATUS);
481 	hub->vm_l2_pro_fault_cntl =
482 		SOC15_REG_OFFSET(GC, 0, regGCVM_L2_PROTECTION_FAULT_CNTL);
483 
484 	hub->ctx_distance = regGCVM_CONTEXT1_CNTL - regGCVM_CONTEXT0_CNTL;
485 	hub->ctx_addr_distance = regGCVM_CONTEXT1_PAGE_TABLE_BASE_ADDR_LO32 -
486 		regGCVM_CONTEXT0_PAGE_TABLE_BASE_ADDR_LO32;
487 	hub->eng_distance = regGCVM_INVALIDATE_ENG1_REQ -
488 		regGCVM_INVALIDATE_ENG0_REQ;
489 	hub->eng_addr_distance = regGCVM_INVALIDATE_ENG1_ADDR_RANGE_LO32 -
490 		regGCVM_INVALIDATE_ENG0_ADDR_RANGE_LO32;
491 
492 	hub->vm_cntx_cntl_vm_fault = GCVM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
493 		GCVM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
494 		GCVM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
495 		GCVM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
496 		GCVM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
497 		GCVM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
498 		GCVM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;
499 
500 	hub->vmhub_funcs = &gfxhub_v3_0_3_vmhub_funcs;
501 }
502 
503 const struct amdgpu_gfxhub_funcs gfxhub_v3_0_3_funcs = {
504 	.get_fb_location = gfxhub_v3_0_3_get_fb_location,
505 	.get_mc_fb_offset = gfxhub_v3_0_3_get_mc_fb_offset,
506 	.setup_vm_pt_regs = gfxhub_v3_0_3_setup_vm_pt_regs,
507 	.gart_enable = gfxhub_v3_0_3_gart_enable,
508 	.gart_disable = gfxhub_v3_0_3_gart_disable,
509 	.set_fault_enable_default = gfxhub_v3_0_3_set_fault_enable_default,
510 	.init = gfxhub_v3_0_3_init,
511 };
512