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Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
[mirror_ubuntu-jammy-kernel.git] / drivers / gpu / drm / amd / amdgpu / gmc_v9_0.c
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
24 #include <linux/firmware.h>
25 #include <linux/pci.h>
26
27 #include <drm/drm_cache.h>
28
29 #include "amdgpu.h"
30 #include "gmc_v9_0.h"
31 #include "amdgpu_atomfirmware.h"
32 #include "amdgpu_gem.h"
33
34 #include "hdp/hdp_4_0_offset.h"
35 #include "hdp/hdp_4_0_sh_mask.h"
36 #include "gc/gc_9_0_sh_mask.h"
37 #include "dce/dce_12_0_offset.h"
38 #include "dce/dce_12_0_sh_mask.h"
39 #include "vega10_enum.h"
40 #include "mmhub/mmhub_1_0_offset.h"
41 #include "athub/athub_1_0_sh_mask.h"
42 #include "athub/athub_1_0_offset.h"
43 #include "oss/osssys_4_0_offset.h"
44
45 #include "soc15.h"
46 #include "soc15d.h"
47 #include "soc15_common.h"
48 #include "umc/umc_6_0_sh_mask.h"
49
50 #include "gfxhub_v1_0.h"
51 #include "mmhub_v1_0.h"
52 #include "athub_v1_0.h"
53 #include "gfxhub_v1_1.h"
54 #include "mmhub_v9_4.h"
55 #include "umc_v6_1.h"
56 #include "umc_v6_0.h"
57
58 #include "ivsrcid/vmc/irqsrcs_vmc_1_0.h"
59
60 #include "amdgpu_ras.h"
61 #include "amdgpu_xgmi.h"
62
63 /* add these here since we already include dce12 headers and these are for DCN */
64 #define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION 0x055d
65 #define mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION_BASE_IDX 2
66 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_WIDTH__SHIFT 0x0
67 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_HEIGHT__SHIFT 0x10
68 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_WIDTH_MASK 0x00003FFFL
69 #define HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION__PRI_VIEWPORT_HEIGHT_MASK 0x3FFF0000L
70
71 static const u32 golden_settings_vega10_hdp[] =
72 {
73 0xf64, 0x0fffffff, 0x00000000,
74 0xf65, 0x0fffffff, 0x00000000,
75 0xf66, 0x0fffffff, 0x00000000,
76 0xf67, 0x0fffffff, 0x00000000,
77 0xf68, 0x0fffffff, 0x00000000,
78 0xf6a, 0x0fffffff, 0x00000000,
79 0xf6b, 0x0fffffff, 0x00000000,
80 0xf6c, 0x0fffffff, 0x00000000,
81 0xf6d, 0x0fffffff, 0x00000000,
82 0xf6e, 0x0fffffff, 0x00000000,
83 };
84
85 static const struct soc15_reg_golden golden_settings_mmhub_1_0_0[] =
86 {
87 SOC15_REG_GOLDEN_VALUE(MMHUB, 0, mmDAGB1_WRCLI2, 0x00000007, 0xfe5fe0fa),
88 SOC15_REG_GOLDEN_VALUE(MMHUB, 0, mmMMEA1_DRAM_WR_CLI2GRP_MAP0, 0x00000030, 0x55555565)
89 };
90
91 static const struct soc15_reg_golden golden_settings_athub_1_0_0[] =
92 {
93 SOC15_REG_GOLDEN_VALUE(ATHUB, 0, mmRPB_ARB_CNTL, 0x0000ff00, 0x00000800),
94 SOC15_REG_GOLDEN_VALUE(ATHUB, 0, mmRPB_ARB_CNTL2, 0x00ff00ff, 0x00080008)
95 };
96
97 static const uint32_t ecc_umc_mcumc_ctrl_addrs[] = {
98 (0x000143c0 + 0x00000000),
99 (0x000143c0 + 0x00000800),
100 (0x000143c0 + 0x00001000),
101 (0x000143c0 + 0x00001800),
102 (0x000543c0 + 0x00000000),
103 (0x000543c0 + 0x00000800),
104 (0x000543c0 + 0x00001000),
105 (0x000543c0 + 0x00001800),
106 (0x000943c0 + 0x00000000),
107 (0x000943c0 + 0x00000800),
108 (0x000943c0 + 0x00001000),
109 (0x000943c0 + 0x00001800),
110 (0x000d43c0 + 0x00000000),
111 (0x000d43c0 + 0x00000800),
112 (0x000d43c0 + 0x00001000),
113 (0x000d43c0 + 0x00001800),
114 (0x001143c0 + 0x00000000),
115 (0x001143c0 + 0x00000800),
116 (0x001143c0 + 0x00001000),
117 (0x001143c0 + 0x00001800),
118 (0x001543c0 + 0x00000000),
119 (0x001543c0 + 0x00000800),
120 (0x001543c0 + 0x00001000),
121 (0x001543c0 + 0x00001800),
122 (0x001943c0 + 0x00000000),
123 (0x001943c0 + 0x00000800),
124 (0x001943c0 + 0x00001000),
125 (0x001943c0 + 0x00001800),
126 (0x001d43c0 + 0x00000000),
127 (0x001d43c0 + 0x00000800),
128 (0x001d43c0 + 0x00001000),
129 (0x001d43c0 + 0x00001800),
130 };
131
132 static const uint32_t ecc_umc_mcumc_ctrl_mask_addrs[] = {
133 (0x000143e0 + 0x00000000),
134 (0x000143e0 + 0x00000800),
135 (0x000143e0 + 0x00001000),
136 (0x000143e0 + 0x00001800),
137 (0x000543e0 + 0x00000000),
138 (0x000543e0 + 0x00000800),
139 (0x000543e0 + 0x00001000),
140 (0x000543e0 + 0x00001800),
141 (0x000943e0 + 0x00000000),
142 (0x000943e0 + 0x00000800),
143 (0x000943e0 + 0x00001000),
144 (0x000943e0 + 0x00001800),
145 (0x000d43e0 + 0x00000000),
146 (0x000d43e0 + 0x00000800),
147 (0x000d43e0 + 0x00001000),
148 (0x000d43e0 + 0x00001800),
149 (0x001143e0 + 0x00000000),
150 (0x001143e0 + 0x00000800),
151 (0x001143e0 + 0x00001000),
152 (0x001143e0 + 0x00001800),
153 (0x001543e0 + 0x00000000),
154 (0x001543e0 + 0x00000800),
155 (0x001543e0 + 0x00001000),
156 (0x001543e0 + 0x00001800),
157 (0x001943e0 + 0x00000000),
158 (0x001943e0 + 0x00000800),
159 (0x001943e0 + 0x00001000),
160 (0x001943e0 + 0x00001800),
161 (0x001d43e0 + 0x00000000),
162 (0x001d43e0 + 0x00000800),
163 (0x001d43e0 + 0x00001000),
164 (0x001d43e0 + 0x00001800),
165 };
166
167 static const uint32_t ecc_umc_mcumc_status_addrs[] = {
168 (0x000143c2 + 0x00000000),
169 (0x000143c2 + 0x00000800),
170 (0x000143c2 + 0x00001000),
171 (0x000143c2 + 0x00001800),
172 (0x000543c2 + 0x00000000),
173 (0x000543c2 + 0x00000800),
174 (0x000543c2 + 0x00001000),
175 (0x000543c2 + 0x00001800),
176 (0x000943c2 + 0x00000000),
177 (0x000943c2 + 0x00000800),
178 (0x000943c2 + 0x00001000),
179 (0x000943c2 + 0x00001800),
180 (0x000d43c2 + 0x00000000),
181 (0x000d43c2 + 0x00000800),
182 (0x000d43c2 + 0x00001000),
183 (0x000d43c2 + 0x00001800),
184 (0x001143c2 + 0x00000000),
185 (0x001143c2 + 0x00000800),
186 (0x001143c2 + 0x00001000),
187 (0x001143c2 + 0x00001800),
188 (0x001543c2 + 0x00000000),
189 (0x001543c2 + 0x00000800),
190 (0x001543c2 + 0x00001000),
191 (0x001543c2 + 0x00001800),
192 (0x001943c2 + 0x00000000),
193 (0x001943c2 + 0x00000800),
194 (0x001943c2 + 0x00001000),
195 (0x001943c2 + 0x00001800),
196 (0x001d43c2 + 0x00000000),
197 (0x001d43c2 + 0x00000800),
198 (0x001d43c2 + 0x00001000),
199 (0x001d43c2 + 0x00001800),
200 };
201
202 static int gmc_v9_0_ecc_interrupt_state(struct amdgpu_device *adev,
203 struct amdgpu_irq_src *src,
204 unsigned type,
205 enum amdgpu_interrupt_state state)
206 {
207 u32 bits, i, tmp, reg;
208
209 /* Devices newer then VEGA10/12 shall have these programming
210 sequences performed by PSP BL */
211 if (adev->asic_type >= CHIP_VEGA20)
212 return 0;
213
214 bits = 0x7f;
215
216 switch (state) {
217 case AMDGPU_IRQ_STATE_DISABLE:
218 for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_addrs); i++) {
219 reg = ecc_umc_mcumc_ctrl_addrs[i];
220 tmp = RREG32(reg);
221 tmp &= ~bits;
222 WREG32(reg, tmp);
223 }
224 for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_mask_addrs); i++) {
225 reg = ecc_umc_mcumc_ctrl_mask_addrs[i];
226 tmp = RREG32(reg);
227 tmp &= ~bits;
228 WREG32(reg, tmp);
229 }
230 break;
231 case AMDGPU_IRQ_STATE_ENABLE:
232 for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_addrs); i++) {
233 reg = ecc_umc_mcumc_ctrl_addrs[i];
234 tmp = RREG32(reg);
235 tmp |= bits;
236 WREG32(reg, tmp);
237 }
238 for (i = 0; i < ARRAY_SIZE(ecc_umc_mcumc_ctrl_mask_addrs); i++) {
239 reg = ecc_umc_mcumc_ctrl_mask_addrs[i];
240 tmp = RREG32(reg);
241 tmp |= bits;
242 WREG32(reg, tmp);
243 }
244 break;
245 default:
246 break;
247 }
248
249 return 0;
250 }
251
252 static int gmc_v9_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
253 struct amdgpu_irq_src *src,
254 unsigned type,
255 enum amdgpu_interrupt_state state)
256 {
257 struct amdgpu_vmhub *hub;
258 u32 tmp, reg, bits, i, j;
259
260 bits = VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
261 VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
262 VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
263 VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
264 VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
265 VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
266 VM_CONTEXT1_CNTL__EXECUTE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK;
267
268 switch (state) {
269 case AMDGPU_IRQ_STATE_DISABLE:
270 for (j = 0; j < adev->num_vmhubs; j++) {
271 hub = &adev->vmhub[j];
272 for (i = 0; i < 16; i++) {
273 reg = hub->vm_context0_cntl + i;
274 tmp = RREG32(reg);
275 tmp &= ~bits;
276 WREG32(reg, tmp);
277 }
278 }
279 break;
280 case AMDGPU_IRQ_STATE_ENABLE:
281 for (j = 0; j < adev->num_vmhubs; j++) {
282 hub = &adev->vmhub[j];
283 for (i = 0; i < 16; i++) {
284 reg = hub->vm_context0_cntl + i;
285 tmp = RREG32(reg);
286 tmp |= bits;
287 WREG32(reg, tmp);
288 }
289 }
290 default:
291 break;
292 }
293
294 return 0;
295 }
296
297 static int gmc_v9_0_process_interrupt(struct amdgpu_device *adev,
298 struct amdgpu_irq_src *source,
299 struct amdgpu_iv_entry *entry)
300 {
301 struct amdgpu_vmhub *hub;
302 bool retry_fault = !!(entry->src_data[1] & 0x80);
303 uint32_t status = 0;
304 u64 addr;
305 char hub_name[10];
306
307 addr = (u64)entry->src_data[0] << 12;
308 addr |= ((u64)entry->src_data[1] & 0xf) << 44;
309
310 if (retry_fault && amdgpu_gmc_filter_faults(adev, addr, entry->pasid,
311 entry->timestamp))
312 return 1; /* This also prevents sending it to KFD */
313
314 if (entry->client_id == SOC15_IH_CLIENTID_VMC) {
315 snprintf(hub_name, sizeof(hub_name), "mmhub0");
316 hub = &adev->vmhub[AMDGPU_MMHUB_0];
317 } else if (entry->client_id == SOC15_IH_CLIENTID_VMC1) {
318 snprintf(hub_name, sizeof(hub_name), "mmhub1");
319 hub = &adev->vmhub[AMDGPU_MMHUB_1];
320 } else {
321 snprintf(hub_name, sizeof(hub_name), "gfxhub0");
322 hub = &adev->vmhub[AMDGPU_GFXHUB_0];
323 }
324
325 /* If it's the first fault for this address, process it normally */
326 if (retry_fault && !in_interrupt() &&
327 amdgpu_vm_handle_fault(adev, entry->pasid, addr))
328 return 1; /* This also prevents sending it to KFD */
329
330 if (!amdgpu_sriov_vf(adev)) {
331 /*
332 * Issue a dummy read to wait for the status register to
333 * be updated to avoid reading an incorrect value due to
334 * the new fast GRBM interface.
335 */
336 if (entry->vmid_src == AMDGPU_GFXHUB_0)
337 RREG32(hub->vm_l2_pro_fault_status);
338
339 status = RREG32(hub->vm_l2_pro_fault_status);
340 WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1);
341 }
342
343 if (printk_ratelimit()) {
344 struct amdgpu_task_info task_info;
345
346 memset(&task_info, 0, sizeof(struct amdgpu_task_info));
347 amdgpu_vm_get_task_info(adev, entry->pasid, &task_info);
348
349 dev_err(adev->dev,
350 "[%s] %s page fault (src_id:%u ring:%u vmid:%u "
351 "pasid:%u, for process %s pid %d thread %s pid %d)\n",
352 hub_name, retry_fault ? "retry" : "no-retry",
353 entry->src_id, entry->ring_id, entry->vmid,
354 entry->pasid, task_info.process_name, task_info.tgid,
355 task_info.task_name, task_info.pid);
356 dev_err(adev->dev, " in page starting at address 0x%016llx from client %d\n",
357 addr, entry->client_id);
358 if (!amdgpu_sriov_vf(adev)) {
359 dev_err(adev->dev,
360 "VM_L2_PROTECTION_FAULT_STATUS:0x%08X\n",
361 status);
362 dev_err(adev->dev, "\t Faulty UTCL2 client ID: 0x%lx\n",
363 REG_GET_FIELD(status,
364 VM_L2_PROTECTION_FAULT_STATUS, CID));
365 dev_err(adev->dev, "\t MORE_FAULTS: 0x%lx\n",
366 REG_GET_FIELD(status,
367 VM_L2_PROTECTION_FAULT_STATUS, MORE_FAULTS));
368 dev_err(adev->dev, "\t WALKER_ERROR: 0x%lx\n",
369 REG_GET_FIELD(status,
370 VM_L2_PROTECTION_FAULT_STATUS, WALKER_ERROR));
371 dev_err(adev->dev, "\t PERMISSION_FAULTS: 0x%lx\n",
372 REG_GET_FIELD(status,
373 VM_L2_PROTECTION_FAULT_STATUS, PERMISSION_FAULTS));
374 dev_err(adev->dev, "\t MAPPING_ERROR: 0x%lx\n",
375 REG_GET_FIELD(status,
376 VM_L2_PROTECTION_FAULT_STATUS, MAPPING_ERROR));
377 dev_err(adev->dev, "\t RW: 0x%lx\n",
378 REG_GET_FIELD(status,
379 VM_L2_PROTECTION_FAULT_STATUS, RW));
380
381 }
382 }
383
384 return 0;
385 }
386
387 static const struct amdgpu_irq_src_funcs gmc_v9_0_irq_funcs = {
388 .set = gmc_v9_0_vm_fault_interrupt_state,
389 .process = gmc_v9_0_process_interrupt,
390 };
391
392
393 static const struct amdgpu_irq_src_funcs gmc_v9_0_ecc_funcs = {
394 .set = gmc_v9_0_ecc_interrupt_state,
395 .process = amdgpu_umc_process_ecc_irq,
396 };
397
398 static void gmc_v9_0_set_irq_funcs(struct amdgpu_device *adev)
399 {
400 adev->gmc.vm_fault.num_types = 1;
401 adev->gmc.vm_fault.funcs = &gmc_v9_0_irq_funcs;
402
403 if (!amdgpu_sriov_vf(adev)) {
404 adev->gmc.ecc_irq.num_types = 1;
405 adev->gmc.ecc_irq.funcs = &gmc_v9_0_ecc_funcs;
406 }
407 }
408
409 static uint32_t gmc_v9_0_get_invalidate_req(unsigned int vmid,
410 uint32_t flush_type)
411 {
412 u32 req = 0;
413
414 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
415 PER_VMID_INVALIDATE_REQ, 1 << vmid);
416 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, FLUSH_TYPE, flush_type);
417 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PTES, 1);
418 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE0, 1);
419 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE1, 1);
420 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L2_PDE2, 1);
421 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ, INVALIDATE_L1_PTES, 1);
422 req = REG_SET_FIELD(req, VM_INVALIDATE_ENG0_REQ,
423 CLEAR_PROTECTION_FAULT_STATUS_ADDR, 0);
424
425 return req;
426 }
427
428 /**
429 * gmc_v9_0_use_invalidate_semaphore - judge whether to use semaphore
430 *
431 * @adev: amdgpu_device pointer
432 * @vmhub: vmhub type
433 *
434 */
435 static bool gmc_v9_0_use_invalidate_semaphore(struct amdgpu_device *adev,
436 uint32_t vmhub)
437 {
438 return ((vmhub == AMDGPU_MMHUB_0 ||
439 vmhub == AMDGPU_MMHUB_1) &&
440 (!amdgpu_sriov_vf(adev)) &&
441 (!(!(adev->apu_flags & AMD_APU_IS_RAVEN2) &&
442 (adev->apu_flags & AMD_APU_IS_PICASSO))));
443 }
444
445 static bool gmc_v9_0_get_atc_vmid_pasid_mapping_info(struct amdgpu_device *adev,
446 uint8_t vmid, uint16_t *p_pasid)
447 {
448 uint32_t value;
449
450 value = RREG32(SOC15_REG_OFFSET(ATHUB, 0, mmATC_VMID0_PASID_MAPPING)
451 + vmid);
452 *p_pasid = value & ATC_VMID0_PASID_MAPPING__PASID_MASK;
453
454 return !!(value & ATC_VMID0_PASID_MAPPING__VALID_MASK);
455 }
456
457 /*
458 * GART
459 * VMID 0 is the physical GPU addresses as used by the kernel.
460 * VMIDs 1-15 are used for userspace clients and are handled
461 * by the amdgpu vm/hsa code.
462 */
463
464 /**
465 * gmc_v9_0_flush_gpu_tlb - tlb flush with certain type
466 *
467 * @adev: amdgpu_device pointer
468 * @vmid: vm instance to flush
469 * @flush_type: the flush type
470 *
471 * Flush the TLB for the requested page table using certain type.
472 */
473 static void gmc_v9_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
474 uint32_t vmhub, uint32_t flush_type)
475 {
476 bool use_semaphore = gmc_v9_0_use_invalidate_semaphore(adev, vmhub);
477 const unsigned eng = 17;
478 u32 j, inv_req, inv_req2, tmp;
479 struct amdgpu_vmhub *hub;
480
481 BUG_ON(vmhub >= adev->num_vmhubs);
482
483 hub = &adev->vmhub[vmhub];
484 if (adev->gmc.xgmi.num_physical_nodes &&
485 adev->asic_type == CHIP_VEGA20) {
486 /* Vega20+XGMI caches PTEs in TC and TLB. Add a
487 * heavy-weight TLB flush (type 2), which flushes
488 * both. Due to a race condition with concurrent
489 * memory accesses using the same TLB cache line, we
490 * still need a second TLB flush after this.
491 */
492 inv_req = gmc_v9_0_get_invalidate_req(vmid, 2);
493 inv_req2 = gmc_v9_0_get_invalidate_req(vmid, flush_type);
494 } else {
495 inv_req = gmc_v9_0_get_invalidate_req(vmid, flush_type);
496 inv_req2 = 0;
497 }
498
499 /* This is necessary for a HW workaround under SRIOV as well
500 * as GFXOFF under bare metal
501 */
502 if (adev->gfx.kiq.ring.sched.ready &&
503 (amdgpu_sriov_runtime(adev) || !amdgpu_sriov_vf(adev)) &&
504 !adev->in_gpu_reset) {
505 uint32_t req = hub->vm_inv_eng0_req + hub->eng_distance * eng;
506 uint32_t ack = hub->vm_inv_eng0_ack + hub->eng_distance * eng;
507
508 amdgpu_virt_kiq_reg_write_reg_wait(adev, req, ack, inv_req,
509 1 << vmid);
510 return;
511 }
512
513 spin_lock(&adev->gmc.invalidate_lock);
514
515 /*
516 * It may lose gpuvm invalidate acknowldege state across power-gating
517 * off cycle, add semaphore acquire before invalidation and semaphore
518 * release after invalidation to avoid entering power gated state
519 * to WA the Issue
520 */
521
522 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
523 if (use_semaphore) {
524 for (j = 0; j < adev->usec_timeout; j++) {
525 /* a read return value of 1 means semaphore acuqire */
526 tmp = RREG32_NO_KIQ(hub->vm_inv_eng0_sem +
527 hub->eng_distance * eng);
528 if (tmp & 0x1)
529 break;
530 udelay(1);
531 }
532
533 if (j >= adev->usec_timeout)
534 DRM_ERROR("Timeout waiting for sem acquire in VM flush!\n");
535 }
536
537 do {
538 WREG32_NO_KIQ(hub->vm_inv_eng0_req +
539 hub->eng_distance * eng, inv_req);
540
541 /*
542 * Issue a dummy read to wait for the ACK register to
543 * be cleared to avoid a false ACK due to the new fast
544 * GRBM interface.
545 */
546 if (vmhub == AMDGPU_GFXHUB_0)
547 RREG32_NO_KIQ(hub->vm_inv_eng0_req +
548 hub->eng_distance * eng);
549
550 for (j = 0; j < adev->usec_timeout; j++) {
551 tmp = RREG32_NO_KIQ(hub->vm_inv_eng0_ack +
552 hub->eng_distance * eng);
553 if (tmp & (1 << vmid))
554 break;
555 udelay(1);
556 }
557
558 inv_req = inv_req2;
559 inv_req2 = 0;
560 } while (inv_req);
561
562 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
563 if (use_semaphore)
564 /*
565 * add semaphore release after invalidation,
566 * write with 0 means semaphore release
567 */
568 WREG32_NO_KIQ(hub->vm_inv_eng0_sem +
569 hub->eng_distance * eng, 0);
570
571 spin_unlock(&adev->gmc.invalidate_lock);
572
573 if (j < adev->usec_timeout)
574 return;
575
576 DRM_ERROR("Timeout waiting for VM flush ACK!\n");
577 }
578
579 /**
580 * gmc_v9_0_flush_gpu_tlb_pasid - tlb flush via pasid
581 *
582 * @adev: amdgpu_device pointer
583 * @pasid: pasid to be flush
584 *
585 * Flush the TLB for the requested pasid.
586 */
587 static int gmc_v9_0_flush_gpu_tlb_pasid(struct amdgpu_device *adev,
588 uint16_t pasid, uint32_t flush_type,
589 bool all_hub)
590 {
591 int vmid, i;
592 signed long r;
593 uint32_t seq;
594 uint16_t queried_pasid;
595 bool ret;
596 struct amdgpu_ring *ring = &adev->gfx.kiq.ring;
597 struct amdgpu_kiq *kiq = &adev->gfx.kiq;
598
599 if (adev->in_gpu_reset)
600 return -EIO;
601
602 if (ring->sched.ready) {
603 /* Vega20+XGMI caches PTEs in TC and TLB. Add a
604 * heavy-weight TLB flush (type 2), which flushes
605 * both. Due to a race condition with concurrent
606 * memory accesses using the same TLB cache line, we
607 * still need a second TLB flush after this.
608 */
609 bool vega20_xgmi_wa = (adev->gmc.xgmi.num_physical_nodes &&
610 adev->asic_type == CHIP_VEGA20);
611 /* 2 dwords flush + 8 dwords fence */
612 unsigned int ndw = kiq->pmf->invalidate_tlbs_size + 8;
613
614 if (vega20_xgmi_wa)
615 ndw += kiq->pmf->invalidate_tlbs_size;
616
617 spin_lock(&adev->gfx.kiq.ring_lock);
618 /* 2 dwords flush + 8 dwords fence */
619 amdgpu_ring_alloc(ring, ndw);
620 if (vega20_xgmi_wa)
621 kiq->pmf->kiq_invalidate_tlbs(ring,
622 pasid, 2, all_hub);
623 kiq->pmf->kiq_invalidate_tlbs(ring,
624 pasid, flush_type, all_hub);
625 r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT);
626 if (r) {
627 amdgpu_ring_undo(ring);
628 spin_unlock(&adev->gfx.kiq.ring_lock);
629 return -ETIME;
630 }
631
632 amdgpu_ring_commit(ring);
633 spin_unlock(&adev->gfx.kiq.ring_lock);
634 r = amdgpu_fence_wait_polling(ring, seq, adev->usec_timeout);
635 if (r < 1) {
636 DRM_ERROR("wait for kiq fence error: %ld.\n", r);
637 return -ETIME;
638 }
639
640 return 0;
641 }
642
643 for (vmid = 1; vmid < 16; vmid++) {
644
645 ret = gmc_v9_0_get_atc_vmid_pasid_mapping_info(adev, vmid,
646 &queried_pasid);
647 if (ret && queried_pasid == pasid) {
648 if (all_hub) {
649 for (i = 0; i < adev->num_vmhubs; i++)
650 gmc_v9_0_flush_gpu_tlb(adev, vmid,
651 i, flush_type);
652 } else {
653 gmc_v9_0_flush_gpu_tlb(adev, vmid,
654 AMDGPU_GFXHUB_0, flush_type);
655 }
656 break;
657 }
658 }
659
660 return 0;
661
662 }
663
664 static uint64_t gmc_v9_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
665 unsigned vmid, uint64_t pd_addr)
666 {
667 bool use_semaphore = gmc_v9_0_use_invalidate_semaphore(ring->adev, ring->funcs->vmhub);
668 struct amdgpu_device *adev = ring->adev;
669 struct amdgpu_vmhub *hub = &adev->vmhub[ring->funcs->vmhub];
670 uint32_t req = gmc_v9_0_get_invalidate_req(vmid, 0);
671 unsigned eng = ring->vm_inv_eng;
672
673 /*
674 * It may lose gpuvm invalidate acknowldege state across power-gating
675 * off cycle, add semaphore acquire before invalidation and semaphore
676 * release after invalidation to avoid entering power gated state
677 * to WA the Issue
678 */
679
680 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
681 if (use_semaphore)
682 /* a read return value of 1 means semaphore acuqire */
683 amdgpu_ring_emit_reg_wait(ring,
684 hub->vm_inv_eng0_sem +
685 hub->eng_distance * eng, 0x1, 0x1);
686
687 amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_lo32 +
688 (hub->ctx_addr_distance * vmid),
689 lower_32_bits(pd_addr));
690
691 amdgpu_ring_emit_wreg(ring, hub->ctx0_ptb_addr_hi32 +
692 (hub->ctx_addr_distance * vmid),
693 upper_32_bits(pd_addr));
694
695 amdgpu_ring_emit_reg_write_reg_wait(ring, hub->vm_inv_eng0_req +
696 hub->eng_distance * eng,
697 hub->vm_inv_eng0_ack +
698 hub->eng_distance * eng,
699 req, 1 << vmid);
700
701 /* TODO: It needs to continue working on debugging with semaphore for GFXHUB as well. */
702 if (use_semaphore)
703 /*
704 * add semaphore release after invalidation,
705 * write with 0 means semaphore release
706 */
707 amdgpu_ring_emit_wreg(ring, hub->vm_inv_eng0_sem +
708 hub->eng_distance * eng, 0);
709
710 return pd_addr;
711 }
712
713 static void gmc_v9_0_emit_pasid_mapping(struct amdgpu_ring *ring, unsigned vmid,
714 unsigned pasid)
715 {
716 struct amdgpu_device *adev = ring->adev;
717 uint32_t reg;
718
719 /* Do nothing because there's no lut register for mmhub1. */
720 if (ring->funcs->vmhub == AMDGPU_MMHUB_1)
721 return;
722
723 if (ring->funcs->vmhub == AMDGPU_GFXHUB_0)
724 reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT) + vmid;
725 else
726 reg = SOC15_REG_OFFSET(OSSSYS, 0, mmIH_VMID_0_LUT_MM) + vmid;
727
728 amdgpu_ring_emit_wreg(ring, reg, pasid);
729 }
730
731 /*
732 * PTE format on VEGA 10:
733 * 63:59 reserved
734 * 58:57 mtype
735 * 56 F
736 * 55 L
737 * 54 P
738 * 53 SW
739 * 52 T
740 * 50:48 reserved
741 * 47:12 4k physical page base address
742 * 11:7 fragment
743 * 6 write
744 * 5 read
745 * 4 exe
746 * 3 Z
747 * 2 snooped
748 * 1 system
749 * 0 valid
750 *
751 * PDE format on VEGA 10:
752 * 63:59 block fragment size
753 * 58:55 reserved
754 * 54 P
755 * 53:48 reserved
756 * 47:6 physical base address of PD or PTE
757 * 5:3 reserved
758 * 2 C
759 * 1 system
760 * 0 valid
761 */
762
763 static uint64_t gmc_v9_0_map_mtype(struct amdgpu_device *adev, uint32_t flags)
764
765 {
766 switch (flags) {
767 case AMDGPU_VM_MTYPE_DEFAULT:
768 return AMDGPU_PTE_MTYPE_VG10(MTYPE_NC);
769 case AMDGPU_VM_MTYPE_NC:
770 return AMDGPU_PTE_MTYPE_VG10(MTYPE_NC);
771 case AMDGPU_VM_MTYPE_WC:
772 return AMDGPU_PTE_MTYPE_VG10(MTYPE_WC);
773 case AMDGPU_VM_MTYPE_RW:
774 return AMDGPU_PTE_MTYPE_VG10(MTYPE_RW);
775 case AMDGPU_VM_MTYPE_CC:
776 return AMDGPU_PTE_MTYPE_VG10(MTYPE_CC);
777 case AMDGPU_VM_MTYPE_UC:
778 return AMDGPU_PTE_MTYPE_VG10(MTYPE_UC);
779 default:
780 return AMDGPU_PTE_MTYPE_VG10(MTYPE_NC);
781 }
782 }
783
784 static void gmc_v9_0_get_vm_pde(struct amdgpu_device *adev, int level,
785 uint64_t *addr, uint64_t *flags)
786 {
787 if (!(*flags & AMDGPU_PDE_PTE) && !(*flags & AMDGPU_PTE_SYSTEM))
788 *addr = adev->vm_manager.vram_base_offset + *addr -
789 adev->gmc.vram_start;
790 BUG_ON(*addr & 0xFFFF00000000003FULL);
791
792 if (!adev->gmc.translate_further)
793 return;
794
795 if (level == AMDGPU_VM_PDB1) {
796 /* Set the block fragment size */
797 if (!(*flags & AMDGPU_PDE_PTE))
798 *flags |= AMDGPU_PDE_BFS(0x9);
799
800 } else if (level == AMDGPU_VM_PDB0) {
801 if (*flags & AMDGPU_PDE_PTE)
802 *flags &= ~AMDGPU_PDE_PTE;
803 else
804 *flags |= AMDGPU_PTE_TF;
805 }
806 }
807
808 static void gmc_v9_0_get_vm_pte(struct amdgpu_device *adev,
809 struct amdgpu_bo_va_mapping *mapping,
810 uint64_t *flags)
811 {
812 *flags &= ~AMDGPU_PTE_EXECUTABLE;
813 *flags |= mapping->flags & AMDGPU_PTE_EXECUTABLE;
814
815 *flags &= ~AMDGPU_PTE_MTYPE_VG10_MASK;
816 *flags |= mapping->flags & AMDGPU_PTE_MTYPE_VG10_MASK;
817
818 if (mapping->flags & AMDGPU_PTE_PRT) {
819 *flags |= AMDGPU_PTE_PRT;
820 *flags &= ~AMDGPU_PTE_VALID;
821 }
822
823 if (adev->asic_type == CHIP_ARCTURUS &&
824 !(*flags & AMDGPU_PTE_SYSTEM) &&
825 mapping->bo_va->is_xgmi)
826 *flags |= AMDGPU_PTE_SNOOPED;
827 }
828
829 static const struct amdgpu_gmc_funcs gmc_v9_0_gmc_funcs = {
830 .flush_gpu_tlb = gmc_v9_0_flush_gpu_tlb,
831 .flush_gpu_tlb_pasid = gmc_v9_0_flush_gpu_tlb_pasid,
832 .emit_flush_gpu_tlb = gmc_v9_0_emit_flush_gpu_tlb,
833 .emit_pasid_mapping = gmc_v9_0_emit_pasid_mapping,
834 .map_mtype = gmc_v9_0_map_mtype,
835 .get_vm_pde = gmc_v9_0_get_vm_pde,
836 .get_vm_pte = gmc_v9_0_get_vm_pte
837 };
838
839 static void gmc_v9_0_set_gmc_funcs(struct amdgpu_device *adev)
840 {
841 adev->gmc.gmc_funcs = &gmc_v9_0_gmc_funcs;
842 }
843
844 static void gmc_v9_0_set_umc_funcs(struct amdgpu_device *adev)
845 {
846 switch (adev->asic_type) {
847 case CHIP_VEGA10:
848 adev->umc.funcs = &umc_v6_0_funcs;
849 break;
850 case CHIP_VEGA20:
851 adev->umc.max_ras_err_cnt_per_query = UMC_V6_1_TOTAL_CHANNEL_NUM;
852 adev->umc.channel_inst_num = UMC_V6_1_CHANNEL_INSTANCE_NUM;
853 adev->umc.umc_inst_num = UMC_V6_1_UMC_INSTANCE_NUM;
854 adev->umc.channel_offs = UMC_V6_1_PER_CHANNEL_OFFSET_VG20;
855 adev->umc.channel_idx_tbl = &umc_v6_1_channel_idx_tbl[0][0];
856 adev->umc.funcs = &umc_v6_1_funcs;
857 break;
858 case CHIP_ARCTURUS:
859 adev->umc.max_ras_err_cnt_per_query = UMC_V6_1_TOTAL_CHANNEL_NUM;
860 adev->umc.channel_inst_num = UMC_V6_1_CHANNEL_INSTANCE_NUM;
861 adev->umc.umc_inst_num = UMC_V6_1_UMC_INSTANCE_NUM;
862 adev->umc.channel_offs = UMC_V6_1_PER_CHANNEL_OFFSET_ARCT;
863 adev->umc.channel_idx_tbl = &umc_v6_1_channel_idx_tbl[0][0];
864 adev->umc.funcs = &umc_v6_1_funcs;
865 break;
866 default:
867 break;
868 }
869 }
870
871 static void gmc_v9_0_set_mmhub_funcs(struct amdgpu_device *adev)
872 {
873 switch (adev->asic_type) {
874 case CHIP_VEGA20:
875 adev->mmhub.funcs = &mmhub_v1_0_funcs;
876 break;
877 case CHIP_ARCTURUS:
878 adev->mmhub.funcs = &mmhub_v9_4_funcs;
879 break;
880 default:
881 break;
882 }
883 }
884
885 static int gmc_v9_0_early_init(void *handle)
886 {
887 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
888
889 gmc_v9_0_set_gmc_funcs(adev);
890 gmc_v9_0_set_irq_funcs(adev);
891 gmc_v9_0_set_umc_funcs(adev);
892 gmc_v9_0_set_mmhub_funcs(adev);
893
894 adev->gmc.shared_aperture_start = 0x2000000000000000ULL;
895 adev->gmc.shared_aperture_end =
896 adev->gmc.shared_aperture_start + (4ULL << 30) - 1;
897 adev->gmc.private_aperture_start = 0x1000000000000000ULL;
898 adev->gmc.private_aperture_end =
899 adev->gmc.private_aperture_start + (4ULL << 30) - 1;
900
901 return 0;
902 }
903
904 static bool gmc_v9_0_keep_stolen_memory(struct amdgpu_device *adev)
905 {
906
907 /*
908 * TODO:
909 * Currently there is a bug where some memory client outside
910 * of the driver writes to first 8M of VRAM on S3 resume,
911 * this overrides GART which by default gets placed in first 8M and
912 * causes VM_FAULTS once GTT is accessed.
913 * Keep the stolen memory reservation until the while this is not solved.
914 * Also check code in gmc_v9_0_get_vbios_fb_size and gmc_v9_0_late_init
915 */
916 switch (adev->asic_type) {
917 case CHIP_VEGA10:
918 case CHIP_RAVEN:
919 case CHIP_ARCTURUS:
920 case CHIP_RENOIR:
921 return true;
922 case CHIP_VEGA12:
923 case CHIP_VEGA20:
924 default:
925 return false;
926 }
927 }
928
929 static int gmc_v9_0_late_init(void *handle)
930 {
931 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
932 int r;
933
934 if (!gmc_v9_0_keep_stolen_memory(adev))
935 amdgpu_bo_late_init(adev);
936
937 r = amdgpu_gmc_allocate_vm_inv_eng(adev);
938 if (r)
939 return r;
940 /* Check if ecc is available */
941 if (!amdgpu_sriov_vf(adev) && (adev->asic_type == CHIP_VEGA10)) {
942 r = amdgpu_atomfirmware_mem_ecc_supported(adev);
943 if (!r) {
944 DRM_INFO("ECC is not present.\n");
945 if (adev->df.funcs->enable_ecc_force_par_wr_rmw)
946 adev->df.funcs->enable_ecc_force_par_wr_rmw(adev, false);
947 } else
948 DRM_INFO("ECC is active.\n");
949
950 r = amdgpu_atomfirmware_sram_ecc_supported(adev);
951 if (!r)
952 DRM_INFO("SRAM ECC is not present.\n");
953 else
954 DRM_INFO("SRAM ECC is active.\n");
955 }
956
957 if (adev->mmhub.funcs && adev->mmhub.funcs->reset_ras_error_count)
958 adev->mmhub.funcs->reset_ras_error_count(adev);
959
960 r = amdgpu_gmc_ras_late_init(adev);
961 if (r)
962 return r;
963
964 return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
965 }
966
967 static void gmc_v9_0_vram_gtt_location(struct amdgpu_device *adev,
968 struct amdgpu_gmc *mc)
969 {
970 u64 base = 0;
971
972 if (adev->asic_type == CHIP_ARCTURUS)
973 base = mmhub_v9_4_get_fb_location(adev);
974 else if (!amdgpu_sriov_vf(adev))
975 base = mmhub_v1_0_get_fb_location(adev);
976
977 /* add the xgmi offset of the physical node */
978 base += adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size;
979 amdgpu_gmc_vram_location(adev, mc, base);
980 amdgpu_gmc_gart_location(adev, mc);
981 amdgpu_gmc_agp_location(adev, mc);
982 /* base offset of vram pages */
983 adev->vm_manager.vram_base_offset = gfxhub_v1_0_get_mc_fb_offset(adev);
984
985 /* XXX: add the xgmi offset of the physical node? */
986 adev->vm_manager.vram_base_offset +=
987 adev->gmc.xgmi.physical_node_id * adev->gmc.xgmi.node_segment_size;
988 }
989
990 /**
991 * gmc_v9_0_mc_init - initialize the memory controller driver params
992 *
993 * @adev: amdgpu_device pointer
994 *
995 * Look up the amount of vram, vram width, and decide how to place
996 * vram and gart within the GPU's physical address space.
997 * Returns 0 for success.
998 */
999 static int gmc_v9_0_mc_init(struct amdgpu_device *adev)
1000 {
1001 int r;
1002
1003 /* size in MB on si */
1004 adev->gmc.mc_vram_size =
1005 adev->nbio.funcs->get_memsize(adev) * 1024ULL * 1024ULL;
1006 adev->gmc.real_vram_size = adev->gmc.mc_vram_size;
1007
1008 if (!(adev->flags & AMD_IS_APU)) {
1009 r = amdgpu_device_resize_fb_bar(adev);
1010 if (r)
1011 return r;
1012 }
1013 adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
1014 adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
1015
1016 #ifdef CONFIG_X86_64
1017 if (adev->flags & AMD_IS_APU) {
1018 adev->gmc.aper_base = gfxhub_v1_0_get_mc_fb_offset(adev);
1019 adev->gmc.aper_size = adev->gmc.real_vram_size;
1020 }
1021 #endif
1022 /* In case the PCI BAR is larger than the actual amount of vram */
1023 adev->gmc.visible_vram_size = adev->gmc.aper_size;
1024 if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size)
1025 adev->gmc.visible_vram_size = adev->gmc.real_vram_size;
1026
1027 /* set the gart size */
1028 if (amdgpu_gart_size == -1) {
1029 switch (adev->asic_type) {
1030 case CHIP_VEGA10: /* all engines support GPUVM */
1031 case CHIP_VEGA12: /* all engines support GPUVM */
1032 case CHIP_VEGA20:
1033 case CHIP_ARCTURUS:
1034 default:
1035 adev->gmc.gart_size = 512ULL << 20;
1036 break;
1037 case CHIP_RAVEN: /* DCE SG support */
1038 case CHIP_RENOIR:
1039 adev->gmc.gart_size = 1024ULL << 20;
1040 break;
1041 }
1042 } else {
1043 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20;
1044 }
1045
1046 gmc_v9_0_vram_gtt_location(adev, &adev->gmc);
1047
1048 return 0;
1049 }
1050
1051 static int gmc_v9_0_gart_init(struct amdgpu_device *adev)
1052 {
1053 int r;
1054
1055 if (adev->gart.bo) {
1056 WARN(1, "VEGA10 PCIE GART already initialized\n");
1057 return 0;
1058 }
1059 /* Initialize common gart structure */
1060 r = amdgpu_gart_init(adev);
1061 if (r)
1062 return r;
1063 adev->gart.table_size = adev->gart.num_gpu_pages * 8;
1064 adev->gart.gart_pte_flags = AMDGPU_PTE_MTYPE_VG10(MTYPE_UC) |
1065 AMDGPU_PTE_EXECUTABLE;
1066 return amdgpu_gart_table_vram_alloc(adev);
1067 }
1068
1069 static unsigned gmc_v9_0_get_vbios_fb_size(struct amdgpu_device *adev)
1070 {
1071 u32 d1vga_control;
1072 unsigned size;
1073
1074 /*
1075 * TODO Remove once GART corruption is resolved
1076 * Check related code in gmc_v9_0_sw_fini
1077 * */
1078 if (gmc_v9_0_keep_stolen_memory(adev))
1079 return 9 * 1024 * 1024;
1080
1081 d1vga_control = RREG32_SOC15(DCE, 0, mmD1VGA_CONTROL);
1082 if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {
1083 size = 9 * 1024 * 1024; /* reserve 8MB for vga emulator and 1 MB for FB */
1084 } else {
1085 u32 viewport;
1086
1087 switch (adev->asic_type) {
1088 case CHIP_RAVEN:
1089 case CHIP_RENOIR:
1090 viewport = RREG32_SOC15(DCE, 0, mmHUBP0_DCSURF_PRI_VIEWPORT_DIMENSION);
1091 size = (REG_GET_FIELD(viewport,
1092 HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_HEIGHT) *
1093 REG_GET_FIELD(viewport,
1094 HUBP0_DCSURF_PRI_VIEWPORT_DIMENSION, PRI_VIEWPORT_WIDTH) *
1095 4);
1096 break;
1097 case CHIP_VEGA10:
1098 case CHIP_VEGA12:
1099 case CHIP_VEGA20:
1100 default:
1101 viewport = RREG32_SOC15(DCE, 0, mmSCL0_VIEWPORT_SIZE);
1102 size = (REG_GET_FIELD(viewport, SCL0_VIEWPORT_SIZE, VIEWPORT_HEIGHT) *
1103 REG_GET_FIELD(viewport, SCL0_VIEWPORT_SIZE, VIEWPORT_WIDTH) *
1104 4);
1105 break;
1106 }
1107 }
1108 /* return 0 if the pre-OS buffer uses up most of vram */
1109 if ((adev->gmc.real_vram_size - size) < (8 * 1024 * 1024))
1110 return 0;
1111
1112 return size;
1113 }
1114
1115 static int gmc_v9_0_sw_init(void *handle)
1116 {
1117 int r, vram_width = 0, vram_type = 0, vram_vendor = 0;
1118 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1119
1120 gfxhub_v1_0_init(adev);
1121 if (adev->asic_type == CHIP_ARCTURUS)
1122 mmhub_v9_4_init(adev);
1123 else
1124 mmhub_v1_0_init(adev);
1125
1126 spin_lock_init(&adev->gmc.invalidate_lock);
1127
1128 r = amdgpu_atomfirmware_get_vram_info(adev,
1129 &vram_width, &vram_type, &vram_vendor);
1130 if (amdgpu_sriov_vf(adev))
1131 /* For Vega10 SR-IOV, vram_width can't be read from ATOM as RAVEN,
1132 * and DF related registers is not readable, seems hardcord is the
1133 * only way to set the correct vram_width
1134 */
1135 adev->gmc.vram_width = 2048;
1136 else if (amdgpu_emu_mode != 1)
1137 adev->gmc.vram_width = vram_width;
1138
1139 if (!adev->gmc.vram_width) {
1140 int chansize, numchan;
1141
1142 /* hbm memory channel size */
1143 if (adev->flags & AMD_IS_APU)
1144 chansize = 64;
1145 else
1146 chansize = 128;
1147
1148 numchan = adev->df.funcs->get_hbm_channel_number(adev);
1149 adev->gmc.vram_width = numchan * chansize;
1150 }
1151
1152 adev->gmc.vram_type = vram_type;
1153 adev->gmc.vram_vendor = vram_vendor;
1154 switch (adev->asic_type) {
1155 case CHIP_RAVEN:
1156 adev->num_vmhubs = 2;
1157
1158 if (adev->rev_id == 0x0 || adev->rev_id == 0x1) {
1159 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
1160 } else {
1161 /* vm_size is 128TB + 512GB for legacy 3-level page support */
1162 amdgpu_vm_adjust_size(adev, 128 * 1024 + 512, 9, 2, 48);
1163 adev->gmc.translate_further =
1164 adev->vm_manager.num_level > 1;
1165 }
1166 break;
1167 case CHIP_VEGA10:
1168 case CHIP_VEGA12:
1169 case CHIP_VEGA20:
1170 case CHIP_RENOIR:
1171 adev->num_vmhubs = 2;
1172
1173
1174 /*
1175 * To fulfill 4-level page support,
1176 * vm size is 256TB (48bit), maximum size of Vega10,
1177 * block size 512 (9bit)
1178 */
1179 /* sriov restrict max_pfn below AMDGPU_GMC_HOLE */
1180 if (amdgpu_sriov_vf(adev))
1181 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 47);
1182 else
1183 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
1184 break;
1185 case CHIP_ARCTURUS:
1186 adev->num_vmhubs = 3;
1187
1188 /* Keep the vm size same with Vega20 */
1189 amdgpu_vm_adjust_size(adev, 256 * 1024, 9, 3, 48);
1190 break;
1191 default:
1192 break;
1193 }
1194
1195 /* This interrupt is VMC page fault.*/
1196 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VMC, VMC_1_0__SRCID__VM_FAULT,
1197 &adev->gmc.vm_fault);
1198 if (r)
1199 return r;
1200
1201 if (adev->asic_type == CHIP_ARCTURUS) {
1202 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VMC1, VMC_1_0__SRCID__VM_FAULT,
1203 &adev->gmc.vm_fault);
1204 if (r)
1205 return r;
1206 }
1207
1208 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_UTCL2, UTCL2_1_0__SRCID__FAULT,
1209 &adev->gmc.vm_fault);
1210
1211 if (r)
1212 return r;
1213
1214 if (!amdgpu_sriov_vf(adev)) {
1215 /* interrupt sent to DF. */
1216 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DF, 0,
1217 &adev->gmc.ecc_irq);
1218 if (r)
1219 return r;
1220 }
1221
1222 /* Set the internal MC address mask
1223 * This is the max address of the GPU's
1224 * internal address space.
1225 */
1226 adev->gmc.mc_mask = 0xffffffffffffULL; /* 48 bit MC */
1227
1228 r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44));
1229 if (r) {
1230 printk(KERN_WARNING "amdgpu: No suitable DMA available.\n");
1231 return r;
1232 }
1233 adev->need_swiotlb = drm_need_swiotlb(44);
1234
1235 if (adev->gmc.xgmi.supported) {
1236 r = gfxhub_v1_1_get_xgmi_info(adev);
1237 if (r)
1238 return r;
1239 }
1240
1241 r = gmc_v9_0_mc_init(adev);
1242 if (r)
1243 return r;
1244
1245 adev->gmc.stolen_size = gmc_v9_0_get_vbios_fb_size(adev);
1246
1247 /* Memory manager */
1248 r = amdgpu_bo_init(adev);
1249 if (r)
1250 return r;
1251
1252 r = gmc_v9_0_gart_init(adev);
1253 if (r)
1254 return r;
1255
1256 /*
1257 * number of VMs
1258 * VMID 0 is reserved for System
1259 * amdgpu graphics/compute will use VMIDs 1..n-1
1260 * amdkfd will use VMIDs n..15
1261 *
1262 * The first KFD VMID is 8 for GPUs with graphics, 3 for
1263 * compute-only GPUs. On compute-only GPUs that leaves 2 VMIDs
1264 * for video processing.
1265 */
1266 adev->vm_manager.first_kfd_vmid =
1267 adev->asic_type == CHIP_ARCTURUS ? 3 : 8;
1268
1269 amdgpu_vm_manager_init(adev);
1270
1271 return 0;
1272 }
1273
1274 static int gmc_v9_0_sw_fini(void *handle)
1275 {
1276 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1277 void *stolen_vga_buf;
1278
1279 amdgpu_gmc_ras_fini(adev);
1280 amdgpu_gem_force_release(adev);
1281 amdgpu_vm_manager_fini(adev);
1282
1283 if (gmc_v9_0_keep_stolen_memory(adev))
1284 amdgpu_bo_free_kernel(&adev->stolen_vga_memory, NULL, &stolen_vga_buf);
1285
1286 amdgpu_gart_table_vram_free(adev);
1287 amdgpu_bo_fini(adev);
1288 amdgpu_gart_fini(adev);
1289
1290 return 0;
1291 }
1292
1293 static void gmc_v9_0_init_golden_registers(struct amdgpu_device *adev)
1294 {
1295
1296 switch (adev->asic_type) {
1297 case CHIP_VEGA10:
1298 if (amdgpu_sriov_vf(adev))
1299 break;
1300 /* fall through */
1301 case CHIP_VEGA20:
1302 soc15_program_register_sequence(adev,
1303 golden_settings_mmhub_1_0_0,
1304 ARRAY_SIZE(golden_settings_mmhub_1_0_0));
1305 soc15_program_register_sequence(adev,
1306 golden_settings_athub_1_0_0,
1307 ARRAY_SIZE(golden_settings_athub_1_0_0));
1308 break;
1309 case CHIP_VEGA12:
1310 break;
1311 case CHIP_RAVEN:
1312 /* TODO for renoir */
1313 soc15_program_register_sequence(adev,
1314 golden_settings_athub_1_0_0,
1315 ARRAY_SIZE(golden_settings_athub_1_0_0));
1316 break;
1317 default:
1318 break;
1319 }
1320 }
1321
1322 /**
1323 * gmc_v9_0_restore_registers - restores regs
1324 *
1325 * @adev: amdgpu_device pointer
1326 *
1327 * This restores register values, saved at suspend.
1328 */
1329 static void gmc_v9_0_restore_registers(struct amdgpu_device *adev)
1330 {
1331 if (adev->asic_type == CHIP_RAVEN)
1332 WREG32(mmDCHUBBUB_SDPIF_MMIO_CNTRL_0, adev->gmc.sdpif_register);
1333 }
1334
1335 /**
1336 * gmc_v9_0_gart_enable - gart enable
1337 *
1338 * @adev: amdgpu_device pointer
1339 */
1340 static int gmc_v9_0_gart_enable(struct amdgpu_device *adev)
1341 {
1342 int r;
1343
1344 if (adev->gart.bo == NULL) {
1345 dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
1346 return -EINVAL;
1347 }
1348 r = amdgpu_gart_table_vram_pin(adev);
1349 if (r)
1350 return r;
1351
1352 r = gfxhub_v1_0_gart_enable(adev);
1353 if (r)
1354 return r;
1355
1356 if (adev->asic_type == CHIP_ARCTURUS)
1357 r = mmhub_v9_4_gart_enable(adev);
1358 else
1359 r = mmhub_v1_0_gart_enable(adev);
1360 if (r)
1361 return r;
1362
1363 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1364 (unsigned)(adev->gmc.gart_size >> 20),
1365 (unsigned long long)amdgpu_bo_gpu_offset(adev->gart.bo));
1366 adev->gart.ready = true;
1367 return 0;
1368 }
1369
1370 static int gmc_v9_0_hw_init(void *handle)
1371 {
1372 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1373 bool value;
1374 int r, i;
1375 u32 tmp;
1376
1377 /* The sequence of these two function calls matters.*/
1378 gmc_v9_0_init_golden_registers(adev);
1379
1380 if (adev->mode_info.num_crtc) {
1381 if (adev->asic_type != CHIP_ARCTURUS) {
1382 /* Lockout access through VGA aperture*/
1383 WREG32_FIELD15(DCE, 0, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
1384
1385 /* disable VGA render */
1386 WREG32_FIELD15(DCE, 0, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
1387 }
1388 }
1389
1390 amdgpu_device_program_register_sequence(adev,
1391 golden_settings_vega10_hdp,
1392 ARRAY_SIZE(golden_settings_vega10_hdp));
1393
1394 switch (adev->asic_type) {
1395 case CHIP_RAVEN:
1396 /* TODO for renoir */
1397 mmhub_v1_0_update_power_gating(adev, true);
1398 break;
1399 case CHIP_ARCTURUS:
1400 WREG32_FIELD15(HDP, 0, HDP_MMHUB_CNTL, HDP_MMHUB_GCC, 1);
1401 break;
1402 default:
1403 break;
1404 }
1405
1406 WREG32_FIELD15(HDP, 0, HDP_MISC_CNTL, FLUSH_INVALIDATE_CACHE, 1);
1407
1408 tmp = RREG32_SOC15(HDP, 0, mmHDP_HOST_PATH_CNTL);
1409 WREG32_SOC15(HDP, 0, mmHDP_HOST_PATH_CNTL, tmp);
1410
1411 WREG32_SOC15(HDP, 0, mmHDP_NONSURFACE_BASE, (adev->gmc.vram_start >> 8));
1412 WREG32_SOC15(HDP, 0, mmHDP_NONSURFACE_BASE_HI, (adev->gmc.vram_start >> 40));
1413
1414 /* After HDP is initialized, flush HDP.*/
1415 adev->nbio.funcs->hdp_flush(adev, NULL);
1416
1417 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
1418 value = false;
1419 else
1420 value = true;
1421
1422 if (!amdgpu_sriov_vf(adev)) {
1423 gfxhub_v1_0_set_fault_enable_default(adev, value);
1424 if (adev->asic_type == CHIP_ARCTURUS)
1425 mmhub_v9_4_set_fault_enable_default(adev, value);
1426 else
1427 mmhub_v1_0_set_fault_enable_default(adev, value);
1428 }
1429 for (i = 0; i < adev->num_vmhubs; ++i)
1430 gmc_v9_0_flush_gpu_tlb(adev, 0, i, 0);
1431
1432 if (adev->umc.funcs && adev->umc.funcs->init_registers)
1433 adev->umc.funcs->init_registers(adev);
1434
1435 r = gmc_v9_0_gart_enable(adev);
1436
1437 return r;
1438 }
1439
1440 /**
1441 * gmc_v9_0_save_registers - saves regs
1442 *
1443 * @adev: amdgpu_device pointer
1444 *
1445 * This saves potential register values that should be
1446 * restored upon resume
1447 */
1448 static void gmc_v9_0_save_registers(struct amdgpu_device *adev)
1449 {
1450 if (adev->asic_type == CHIP_RAVEN)
1451 adev->gmc.sdpif_register = RREG32(mmDCHUBBUB_SDPIF_MMIO_CNTRL_0);
1452 }
1453
1454 /**
1455 * gmc_v9_0_gart_disable - gart disable
1456 *
1457 * @adev: amdgpu_device pointer
1458 *
1459 * This disables all VM page table.
1460 */
1461 static void gmc_v9_0_gart_disable(struct amdgpu_device *adev)
1462 {
1463 gfxhub_v1_0_gart_disable(adev);
1464 if (adev->asic_type == CHIP_ARCTURUS)
1465 mmhub_v9_4_gart_disable(adev);
1466 else
1467 mmhub_v1_0_gart_disable(adev);
1468 amdgpu_gart_table_vram_unpin(adev);
1469 }
1470
1471 static int gmc_v9_0_hw_fini(void *handle)
1472 {
1473 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1474
1475 if (amdgpu_sriov_vf(adev)) {
1476 /* full access mode, so don't touch any GMC register */
1477 DRM_DEBUG("For SRIOV client, shouldn't do anything.\n");
1478 return 0;
1479 }
1480
1481 amdgpu_irq_put(adev, &adev->gmc.ecc_irq, 0);
1482 amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
1483 gmc_v9_0_gart_disable(adev);
1484
1485 return 0;
1486 }
1487
1488 static int gmc_v9_0_suspend(void *handle)
1489 {
1490 int r;
1491 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1492
1493 r = gmc_v9_0_hw_fini(adev);
1494 if (r)
1495 return r;
1496
1497 gmc_v9_0_save_registers(adev);
1498
1499 return 0;
1500 }
1501
1502 static int gmc_v9_0_resume(void *handle)
1503 {
1504 int r;
1505 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1506
1507 gmc_v9_0_restore_registers(adev);
1508 r = gmc_v9_0_hw_init(adev);
1509 if (r)
1510 return r;
1511
1512 amdgpu_vmid_reset_all(adev);
1513
1514 return 0;
1515 }
1516
1517 static bool gmc_v9_0_is_idle(void *handle)
1518 {
1519 /* MC is always ready in GMC v9.*/
1520 return true;
1521 }
1522
1523 static int gmc_v9_0_wait_for_idle(void *handle)
1524 {
1525 /* There is no need to wait for MC idle in GMC v9.*/
1526 return 0;
1527 }
1528
1529 static int gmc_v9_0_soft_reset(void *handle)
1530 {
1531 /* XXX for emulation.*/
1532 return 0;
1533 }
1534
1535 static int gmc_v9_0_set_clockgating_state(void *handle,
1536 enum amd_clockgating_state state)
1537 {
1538 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1539
1540 if (adev->asic_type == CHIP_ARCTURUS)
1541 mmhub_v9_4_set_clockgating(adev, state);
1542 else
1543 mmhub_v1_0_set_clockgating(adev, state);
1544
1545 athub_v1_0_set_clockgating(adev, state);
1546
1547 return 0;
1548 }
1549
1550 static void gmc_v9_0_get_clockgating_state(void *handle, u32 *flags)
1551 {
1552 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1553
1554 if (adev->asic_type == CHIP_ARCTURUS)
1555 mmhub_v9_4_get_clockgating(adev, flags);
1556 else
1557 mmhub_v1_0_get_clockgating(adev, flags);
1558
1559 athub_v1_0_get_clockgating(adev, flags);
1560 }
1561
1562 static int gmc_v9_0_set_powergating_state(void *handle,
1563 enum amd_powergating_state state)
1564 {
1565 return 0;
1566 }
1567
1568 const struct amd_ip_funcs gmc_v9_0_ip_funcs = {
1569 .name = "gmc_v9_0",
1570 .early_init = gmc_v9_0_early_init,
1571 .late_init = gmc_v9_0_late_init,
1572 .sw_init = gmc_v9_0_sw_init,
1573 .sw_fini = gmc_v9_0_sw_fini,
1574 .hw_init = gmc_v9_0_hw_init,
1575 .hw_fini = gmc_v9_0_hw_fini,
1576 .suspend = gmc_v9_0_suspend,
1577 .resume = gmc_v9_0_resume,
1578 .is_idle = gmc_v9_0_is_idle,
1579 .wait_for_idle = gmc_v9_0_wait_for_idle,
1580 .soft_reset = gmc_v9_0_soft_reset,
1581 .set_clockgating_state = gmc_v9_0_set_clockgating_state,
1582 .set_powergating_state = gmc_v9_0_set_powergating_state,
1583 .get_clockgating_state = gmc_v9_0_get_clockgating_state,
1584 };
1585
1586 const struct amdgpu_ip_block_version gmc_v9_0_ip_block =
1587 {
1588 .type = AMD_IP_BLOCK_TYPE_GMC,
1589 .major = 9,
1590 .minor = 0,
1591 .rev = 0,
1592 .funcs = &gmc_v9_0_ip_funcs,
1593 };
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