1 /*
2 * Copyright 2014 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/module.h>
26 #include <linux/pci.h>
27
28 #include <drm/drm_cache.h>
29 #include "amdgpu.h"
30 #include "gmc_v6_0.h"
31 #include "amdgpu_ucode.h"
32 #include "amdgpu_gem.h"
33
34 #include "bif/bif_3_0_d.h"
35 #include "bif/bif_3_0_sh_mask.h"
36 #include "oss/oss_1_0_d.h"
37 #include "oss/oss_1_0_sh_mask.h"
38 #include "gmc/gmc_6_0_d.h"
39 #include "gmc/gmc_6_0_sh_mask.h"
40 #include "dce/dce_6_0_d.h"
41 #include "dce/dce_6_0_sh_mask.h"
42 #include "si_enums.h"
43
44 static void gmc_v6_0_set_gmc_funcs(struct amdgpu_device *adev);
45 static void gmc_v6_0_set_irq_funcs(struct amdgpu_device *adev);
46 static int gmc_v6_0_wait_for_idle(void *handle);
47
48 MODULE_FIRMWARE("amdgpu/tahiti_mc.bin");
49 MODULE_FIRMWARE("amdgpu/pitcairn_mc.bin");
50 MODULE_FIRMWARE("amdgpu/verde_mc.bin");
51 MODULE_FIRMWARE("amdgpu/oland_mc.bin");
52 MODULE_FIRMWARE("amdgpu/hainan_mc.bin");
53 MODULE_FIRMWARE("amdgpu/si58_mc.bin");
54
55 #define MC_SEQ_MISC0__MT__MASK 0xf0000000
56 #define MC_SEQ_MISC0__MT__GDDR1 0x10000000
57 #define MC_SEQ_MISC0__MT__DDR2 0x20000000
58 #define MC_SEQ_MISC0__MT__GDDR3 0x30000000
59 #define MC_SEQ_MISC0__MT__GDDR4 0x40000000
60 #define MC_SEQ_MISC0__MT__GDDR5 0x50000000
61 #define MC_SEQ_MISC0__MT__HBM 0x60000000
62 #define MC_SEQ_MISC0__MT__DDR3 0xB0000000
63
gmc_v6_0_mc_stop(struct amdgpu_device * adev)64 static void gmc_v6_0_mc_stop(struct amdgpu_device *adev)
65 {
66 u32 blackout;
67
68 gmc_v6_0_wait_for_idle((void *)adev);
69
70 blackout = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
71 if (REG_GET_FIELD(blackout, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE) != 1) {
72 /* Block CPU access */
73 WREG32(mmBIF_FB_EN, 0);
74 /* blackout the MC */
75 blackout = REG_SET_FIELD(blackout,
76 MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0);
77 WREG32(mmMC_SHARED_BLACKOUT_CNTL, blackout | 1);
78 }
79 /* wait for the MC to settle */
80 udelay(100);
81
82 }
83
gmc_v6_0_mc_resume(struct amdgpu_device * adev)84 static void gmc_v6_0_mc_resume(struct amdgpu_device *adev)
85 {
86 u32 tmp;
87
88 /* unblackout the MC */
89 tmp = RREG32(mmMC_SHARED_BLACKOUT_CNTL);
90 tmp = REG_SET_FIELD(tmp, MC_SHARED_BLACKOUT_CNTL, BLACKOUT_MODE, 0);
91 WREG32(mmMC_SHARED_BLACKOUT_CNTL, tmp);
92 /* allow CPU access */
93 tmp = REG_SET_FIELD(0, BIF_FB_EN, FB_READ_EN, 1);
94 tmp = REG_SET_FIELD(tmp, BIF_FB_EN, FB_WRITE_EN, 1);
95 WREG32(mmBIF_FB_EN, tmp);
96 }
97
gmc_v6_0_init_microcode(struct amdgpu_device * adev)98 static int gmc_v6_0_init_microcode(struct amdgpu_device *adev)
99 {
100 const char *chip_name;
101 char fw_name[30];
102 int err;
103 bool is_58_fw = false;
104
105 DRM_DEBUG("\n");
106
107 switch (adev->asic_type) {
108 case CHIP_TAHITI:
109 chip_name = "tahiti";
110 break;
111 case CHIP_PITCAIRN:
112 chip_name = "pitcairn";
113 break;
114 case CHIP_VERDE:
115 chip_name = "verde";
116 break;
117 case CHIP_OLAND:
118 chip_name = "oland";
119 break;
120 case CHIP_HAINAN:
121 chip_name = "hainan";
122 break;
123 default: BUG();
124 }
125
126 /* this memory configuration requires special firmware */
127 if (((RREG32(mmMC_SEQ_MISC0) & 0xff000000) >> 24) == 0x58)
128 is_58_fw = true;
129
130 if (is_58_fw)
131 snprintf(fw_name, sizeof(fw_name), "amdgpu/si58_mc.bin");
132 else
133 snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mc.bin", chip_name);
134 err = request_firmware(&adev->gmc.fw, fw_name, adev->dev);
135 if (err)
136 goto out;
137
138 err = amdgpu_ucode_validate(adev->gmc.fw);
139
140 out:
141 if (err) {
142 dev_err(adev->dev,
143 "si_mc: Failed to load firmware \"%s\"\n",
144 fw_name);
145 release_firmware(adev->gmc.fw);
146 adev->gmc.fw = NULL;
147 }
148 return err;
149 }
150
gmc_v6_0_mc_load_microcode(struct amdgpu_device * adev)151 static int gmc_v6_0_mc_load_microcode(struct amdgpu_device *adev)
152 {
153 const __le32 *new_fw_data = NULL;
154 u32 running;
155 const __le32 *new_io_mc_regs = NULL;
156 int i, regs_size, ucode_size;
157 const struct mc_firmware_header_v1_0 *hdr;
158
159 if (!adev->gmc.fw)
160 return -EINVAL;
161
162 hdr = (const struct mc_firmware_header_v1_0 *)adev->gmc.fw->data;
163
164 amdgpu_ucode_print_mc_hdr(&hdr->header);
165
166 adev->gmc.fw_version = le32_to_cpu(hdr->header.ucode_version);
167 regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2);
168 new_io_mc_regs = (const __le32 *)
169 (adev->gmc.fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes));
170 ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
171 new_fw_data = (const __le32 *)
172 (adev->gmc.fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
173
174 running = RREG32(mmMC_SEQ_SUP_CNTL) & MC_SEQ_SUP_CNTL__RUN_MASK;
175
176 if (running == 0) {
177
178 /* reset the engine and set to writable */
179 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
180 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000010);
181
182 /* load mc io regs */
183 for (i = 0; i < regs_size; i++) {
184 WREG32(mmMC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(new_io_mc_regs++));
185 WREG32(mmMC_SEQ_IO_DEBUG_DATA, le32_to_cpup(new_io_mc_regs++));
186 }
187 /* load the MC ucode */
188 for (i = 0; i < ucode_size; i++) {
189 WREG32(mmMC_SEQ_SUP_PGM, le32_to_cpup(new_fw_data++));
190 }
191
192 /* put the engine back into the active state */
193 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000008);
194 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000004);
195 WREG32(mmMC_SEQ_SUP_CNTL, 0x00000001);
196
197 /* wait for training to complete */
198 for (i = 0; i < adev->usec_timeout; i++) {
199 if (RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL) & MC_SEQ_TRAIN_WAKEUP_CNTL__TRAIN_DONE_D0_MASK)
200 break;
201 udelay(1);
202 }
203 for (i = 0; i < adev->usec_timeout; i++) {
204 if (RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL) & MC_SEQ_TRAIN_WAKEUP_CNTL__TRAIN_DONE_D1_MASK)
205 break;
206 udelay(1);
207 }
208
209 }
210
211 return 0;
212 }
213
gmc_v6_0_vram_gtt_location(struct amdgpu_device * adev,struct amdgpu_gmc * mc)214 static void gmc_v6_0_vram_gtt_location(struct amdgpu_device *adev,
215 struct amdgpu_gmc *mc)
216 {
217 u64 base = RREG32(mmMC_VM_FB_LOCATION) & 0xFFFF;
218 base <<= 24;
219
220 amdgpu_gmc_vram_location(adev, mc, base);
221 amdgpu_gmc_gart_location(adev, mc);
222 }
223
gmc_v6_0_mc_program(struct amdgpu_device * adev)224 static void gmc_v6_0_mc_program(struct amdgpu_device *adev)
225 {
226 int i, j;
227
228 /* Initialize HDP */
229 for (i = 0, j = 0; i < 32; i++, j += 0x6) {
230 WREG32((0xb05 + j), 0x00000000);
231 WREG32((0xb06 + j), 0x00000000);
232 WREG32((0xb07 + j), 0x00000000);
233 WREG32((0xb08 + j), 0x00000000);
234 WREG32((0xb09 + j), 0x00000000);
235 }
236 WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL, 0);
237
238 if (gmc_v6_0_wait_for_idle((void *)adev)) {
239 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
240 }
241
242 if (adev->mode_info.num_crtc) {
243 u32 tmp;
244
245 /* Lockout access through VGA aperture*/
246 tmp = RREG32(mmVGA_HDP_CONTROL);
247 tmp |= VGA_HDP_CONTROL__VGA_MEMORY_DISABLE_MASK;
248 WREG32(mmVGA_HDP_CONTROL, tmp);
249
250 /* disable VGA render */
251 tmp = RREG32(mmVGA_RENDER_CONTROL);
252 tmp &= ~VGA_VSTATUS_CNTL;
253 WREG32(mmVGA_RENDER_CONTROL, tmp);
254 }
255 /* Update configuration */
256 WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR,
257 adev->gmc.vram_start >> 12);
258 WREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR,
259 adev->gmc.vram_end >> 12);
260 WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR,
261 adev->vram_scratch.gpu_addr >> 12);
262 WREG32(mmMC_VM_AGP_BASE, 0);
263 WREG32(mmMC_VM_AGP_TOP, 0x0FFFFFFF);
264 WREG32(mmMC_VM_AGP_BOT, 0x0FFFFFFF);
265
266 if (gmc_v6_0_wait_for_idle((void *)adev)) {
267 dev_warn(adev->dev, "Wait for MC idle timedout !\n");
268 }
269 }
270
gmc_v6_0_mc_init(struct amdgpu_device * adev)271 static int gmc_v6_0_mc_init(struct amdgpu_device *adev)
272 {
273
274 u32 tmp;
275 int chansize, numchan;
276 int r;
277
278 tmp = RREG32(mmMC_ARB_RAMCFG);
279 if (tmp & (1 << 11)) {
280 chansize = 16;
281 } else if (tmp & MC_ARB_RAMCFG__CHANSIZE_MASK) {
282 chansize = 64;
283 } else {
284 chansize = 32;
285 }
286 tmp = RREG32(mmMC_SHARED_CHMAP);
287 switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
288 case 0:
289 default:
290 numchan = 1;
291 break;
292 case 1:
293 numchan = 2;
294 break;
295 case 2:
296 numchan = 4;
297 break;
298 case 3:
299 numchan = 8;
300 break;
301 case 4:
302 numchan = 3;
303 break;
304 case 5:
305 numchan = 6;
306 break;
307 case 6:
308 numchan = 10;
309 break;
310 case 7:
311 numchan = 12;
312 break;
313 case 8:
314 numchan = 16;
315 break;
316 }
317 adev->gmc.vram_width = numchan * chansize;
318 /* size in MB on si */
319 adev->gmc.mc_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
320 adev->gmc.real_vram_size = RREG32(mmCONFIG_MEMSIZE) * 1024ULL * 1024ULL;
321
322 if (!(adev->flags & AMD_IS_APU)) {
323 r = amdgpu_device_resize_fb_bar(adev);
324 if (r)
325 return r;
326 }
327 adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
328 adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
329 adev->gmc.visible_vram_size = adev->gmc.aper_size;
330
331 /* set the gart size */
332 if (amdgpu_gart_size == -1) {
333 switch (adev->asic_type) {
334 case CHIP_HAINAN: /* no MM engines */
335 default:
336 adev->gmc.gart_size = 256ULL << 20;
337 break;
338 case CHIP_VERDE: /* UVD, VCE do not support GPUVM */
339 case CHIP_TAHITI: /* UVD, VCE do not support GPUVM */
340 case CHIP_PITCAIRN: /* UVD, VCE do not support GPUVM */
341 case CHIP_OLAND: /* UVD, VCE do not support GPUVM */
342 adev->gmc.gart_size = 1024ULL << 20;
343 break;
344 }
345 } else {
346 adev->gmc.gart_size = (u64)amdgpu_gart_size << 20;
347 }
348
349 adev->gmc.gart_size += adev->pm.smu_prv_buffer_size;
350 gmc_v6_0_vram_gtt_location(adev, &adev->gmc);
351
352 return 0;
353 }
354
gmc_v6_0_flush_gpu_tlb(struct amdgpu_device * adev,uint32_t vmid,uint32_t vmhub,uint32_t flush_type)355 static void gmc_v6_0_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
356 uint32_t vmhub, uint32_t flush_type)
357 {
358 WREG32(mmVM_INVALIDATE_REQUEST, 1 << vmid);
359 }
360
gmc_v6_0_emit_flush_gpu_tlb(struct amdgpu_ring * ring,unsigned vmid,uint64_t pd_addr)361 static uint64_t gmc_v6_0_emit_flush_gpu_tlb(struct amdgpu_ring *ring,
362 unsigned vmid, uint64_t pd_addr)
363 {
364 uint32_t reg;
365
366 /* write new base address */
367 if (vmid < 8)
368 reg = mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vmid;
369 else
370 reg = mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + (vmid - 8);
371 amdgpu_ring_emit_wreg(ring, reg, pd_addr >> 12);
372
373 /* bits 0-15 are the VM contexts0-15 */
374 amdgpu_ring_emit_wreg(ring, mmVM_INVALIDATE_REQUEST, 1 << vmid);
375
376 return pd_addr;
377 }
378
gmc_v6_0_get_vm_pde(struct amdgpu_device * adev,int level,uint64_t * addr,uint64_t * flags)379 static void gmc_v6_0_get_vm_pde(struct amdgpu_device *adev, int level,
380 uint64_t *addr, uint64_t *flags)
381 {
382 BUG_ON(*addr & 0xFFFFFF0000000FFFULL);
383 }
384
gmc_v6_0_get_vm_pte(struct amdgpu_device * adev,struct amdgpu_bo_va_mapping * mapping,uint64_t * flags)385 static void gmc_v6_0_get_vm_pte(struct amdgpu_device *adev,
386 struct amdgpu_bo_va_mapping *mapping,
387 uint64_t *flags)
388 {
389 *flags &= ~AMDGPU_PTE_EXECUTABLE;
390 *flags &= ~AMDGPU_PTE_PRT;
391 }
392
gmc_v6_0_set_fault_enable_default(struct amdgpu_device * adev,bool value)393 static void gmc_v6_0_set_fault_enable_default(struct amdgpu_device *adev,
394 bool value)
395 {
396 u32 tmp;
397
398 tmp = RREG32(mmVM_CONTEXT1_CNTL);
399 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
400 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
401 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
402 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
403 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
404 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT, value);
405 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
406 VALID_PROTECTION_FAULT_ENABLE_DEFAULT, value);
407 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
408 READ_PROTECTION_FAULT_ENABLE_DEFAULT, value);
409 tmp = REG_SET_FIELD(tmp, VM_CONTEXT1_CNTL,
410 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT, value);
411 WREG32(mmVM_CONTEXT1_CNTL, tmp);
412 }
413
414 /**
415 + * gmc_v8_0_set_prt - set PRT VM fault
416 + *
417 + * @adev: amdgpu_device pointer
418 + * @enable: enable/disable VM fault handling for PRT
419 +*/
gmc_v6_0_set_prt(struct amdgpu_device * adev,bool enable)420 static void gmc_v6_0_set_prt(struct amdgpu_device *adev, bool enable)
421 {
422 u32 tmp;
423
424 if (enable && !adev->gmc.prt_warning) {
425 dev_warn(adev->dev, "Disabling VM faults because of PRT request!\n");
426 adev->gmc.prt_warning = true;
427 }
428
429 tmp = RREG32(mmVM_PRT_CNTL);
430 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
431 CB_DISABLE_FAULT_ON_UNMAPPED_ACCESS,
432 enable);
433 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
434 TC_DISABLE_FAULT_ON_UNMAPPED_ACCESS,
435 enable);
436 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
437 L2_CACHE_STORE_INVALID_ENTRIES,
438 enable);
439 tmp = REG_SET_FIELD(tmp, VM_PRT_CNTL,
440 L1_TLB_STORE_INVALID_ENTRIES,
441 enable);
442 WREG32(mmVM_PRT_CNTL, tmp);
443
444 if (enable) {
445 uint32_t low = AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT;
446 uint32_t high = adev->vm_manager.max_pfn -
447 (AMDGPU_VA_RESERVED_SIZE >> AMDGPU_GPU_PAGE_SHIFT);
448
449 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, low);
450 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, low);
451 WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, low);
452 WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, low);
453 WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, high);
454 WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, high);
455 WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, high);
456 WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, high);
457 } else {
458 WREG32(mmVM_PRT_APERTURE0_LOW_ADDR, 0xfffffff);
459 WREG32(mmVM_PRT_APERTURE1_LOW_ADDR, 0xfffffff);
460 WREG32(mmVM_PRT_APERTURE2_LOW_ADDR, 0xfffffff);
461 WREG32(mmVM_PRT_APERTURE3_LOW_ADDR, 0xfffffff);
462 WREG32(mmVM_PRT_APERTURE0_HIGH_ADDR, 0x0);
463 WREG32(mmVM_PRT_APERTURE1_HIGH_ADDR, 0x0);
464 WREG32(mmVM_PRT_APERTURE2_HIGH_ADDR, 0x0);
465 WREG32(mmVM_PRT_APERTURE3_HIGH_ADDR, 0x0);
466 }
467 }
468
gmc_v6_0_gart_enable(struct amdgpu_device * adev)469 static int gmc_v6_0_gart_enable(struct amdgpu_device *adev)
470 {
471 uint64_t table_addr;
472 int r, i;
473 u32 field;
474
475 if (adev->gart.bo == NULL) {
476 dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
477 return -EINVAL;
478 }
479 r = amdgpu_gart_table_vram_pin(adev);
480 if (r)
481 return r;
482
483 table_addr = amdgpu_bo_gpu_offset(adev->gart.bo);
484
485 /* Setup TLB control */
486 WREG32(mmMC_VM_MX_L1_TLB_CNTL,
487 (0xA << 7) |
488 MC_VM_MX_L1_TLB_CNTL__ENABLE_L1_TLB_MASK |
489 MC_VM_MX_L1_TLB_CNTL__ENABLE_L1_FRAGMENT_PROCESSING_MASK |
490 MC_VM_MX_L1_TLB_CNTL__SYSTEM_ACCESS_MODE_MASK |
491 MC_VM_MX_L1_TLB_CNTL__ENABLE_ADVANCED_DRIVER_MODEL_MASK |
492 (0UL << MC_VM_MX_L1_TLB_CNTL__SYSTEM_APERTURE_UNMAPPED_ACCESS__SHIFT));
493 /* Setup L2 cache */
494 WREG32(mmVM_L2_CNTL,
495 VM_L2_CNTL__ENABLE_L2_CACHE_MASK |
496 VM_L2_CNTL__ENABLE_L2_FRAGMENT_PROCESSING_MASK |
497 VM_L2_CNTL__ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE_MASK |
498 VM_L2_CNTL__ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE_MASK |
499 (7UL << VM_L2_CNTL__EFFECTIVE_L2_QUEUE_SIZE__SHIFT) |
500 (1UL << VM_L2_CNTL__CONTEXT1_IDENTITY_ACCESS_MODE__SHIFT));
501 WREG32(mmVM_L2_CNTL2,
502 VM_L2_CNTL2__INVALIDATE_ALL_L1_TLBS_MASK |
503 VM_L2_CNTL2__INVALIDATE_L2_CACHE_MASK);
504
505 field = adev->vm_manager.fragment_size;
506 WREG32(mmVM_L2_CNTL3,
507 VM_L2_CNTL3__L2_CACHE_BIGK_ASSOCIATIVITY_MASK |
508 (field << VM_L2_CNTL3__BANK_SELECT__SHIFT) |
509 (field << VM_L2_CNTL3__L2_CACHE_BIGK_FRAGMENT_SIZE__SHIFT));
510 /* setup context0 */
511 WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->gmc.gart_start >> 12);
512 WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->gmc.gart_end >> 12);
513 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, table_addr >> 12);
514 WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
515 (u32)(adev->dummy_page_addr >> 12));
516 WREG32(mmVM_CONTEXT0_CNTL2, 0);
517 WREG32(mmVM_CONTEXT0_CNTL,
518 VM_CONTEXT0_CNTL__ENABLE_CONTEXT_MASK |
519 (0UL << VM_CONTEXT0_CNTL__PAGE_TABLE_DEPTH__SHIFT) |
520 VM_CONTEXT0_CNTL__RANGE_PROTECTION_FAULT_ENABLE_DEFAULT_MASK);
521
522 WREG32(0x575, 0);
523 WREG32(0x576, 0);
524 WREG32(0x577, 0);
525
526 /* empty context1-15 */
527 /* set vm size, must be a multiple of 4 */
528 WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
529 WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR, adev->vm_manager.max_pfn - 1);
530 /* Assign the pt base to something valid for now; the pts used for
531 * the VMs are determined by the application and setup and assigned
532 * on the fly in the vm part of radeon_gart.c
533 */
534 for (i = 1; i < AMDGPU_NUM_VMID; i++) {
535 if (i < 8)
536 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i,
537 table_addr >> 12);
538 else
539 WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8,
540 table_addr >> 12);
541 }
542
543 /* enable context1-15 */
544 WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
545 (u32)(adev->dummy_page_addr >> 12));
546 WREG32(mmVM_CONTEXT1_CNTL2, 4);
547 WREG32(mmVM_CONTEXT1_CNTL,
548 VM_CONTEXT1_CNTL__ENABLE_CONTEXT_MASK |
549 (1UL << VM_CONTEXT1_CNTL__PAGE_TABLE_DEPTH__SHIFT) |
550 ((adev->vm_manager.block_size - 9)
551 << VM_CONTEXT1_CNTL__PAGE_TABLE_BLOCK_SIZE__SHIFT));
552 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
553 gmc_v6_0_set_fault_enable_default(adev, false);
554 else
555 gmc_v6_0_set_fault_enable_default(adev, true);
556
557 gmc_v6_0_flush_gpu_tlb(adev, 0, 0, 0);
558 dev_info(adev->dev, "PCIE GART of %uM enabled (table at 0x%016llX).\n",
559 (unsigned)(adev->gmc.gart_size >> 20),
560 (unsigned long long)table_addr);
561 adev->gart.ready = true;
562 return 0;
563 }
564
gmc_v6_0_gart_init(struct amdgpu_device * adev)565 static int gmc_v6_0_gart_init(struct amdgpu_device *adev)
566 {
567 int r;
568
569 if (adev->gart.bo) {
570 dev_warn(adev->dev, "gmc_v6_0 PCIE GART already initialized\n");
571 return 0;
572 }
573 r = amdgpu_gart_init(adev);
574 if (r)
575 return r;
576 adev->gart.table_size = adev->gart.num_gpu_pages * 8;
577 adev->gart.gart_pte_flags = 0;
578 return amdgpu_gart_table_vram_alloc(adev);
579 }
580
gmc_v6_0_gart_disable(struct amdgpu_device * adev)581 static void gmc_v6_0_gart_disable(struct amdgpu_device *adev)
582 {
583 /*unsigned i;
584
585 for (i = 1; i < 16; ++i) {
586 uint32_t reg;
587 if (i < 8)
588 reg = VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i ;
589 else
590 reg = VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + (i - 8);
591 adev->vm_manager.saved_table_addr[i] = RREG32(reg);
592 }*/
593
594 /* Disable all tables */
595 WREG32(mmVM_CONTEXT0_CNTL, 0);
596 WREG32(mmVM_CONTEXT1_CNTL, 0);
597 /* Setup TLB control */
598 WREG32(mmMC_VM_MX_L1_TLB_CNTL,
599 MC_VM_MX_L1_TLB_CNTL__SYSTEM_ACCESS_MODE_MASK |
600 (0UL << MC_VM_MX_L1_TLB_CNTL__SYSTEM_APERTURE_UNMAPPED_ACCESS__SHIFT));
601 /* Setup L2 cache */
602 WREG32(mmVM_L2_CNTL,
603 VM_L2_CNTL__ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE_MASK |
604 VM_L2_CNTL__ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE_MASK |
605 (7UL << VM_L2_CNTL__EFFECTIVE_L2_QUEUE_SIZE__SHIFT) |
606 (1UL << VM_L2_CNTL__CONTEXT1_IDENTITY_ACCESS_MODE__SHIFT));
607 WREG32(mmVM_L2_CNTL2, 0);
608 WREG32(mmVM_L2_CNTL3,
609 VM_L2_CNTL3__L2_CACHE_BIGK_ASSOCIATIVITY_MASK |
610 (0UL << VM_L2_CNTL3__L2_CACHE_BIGK_FRAGMENT_SIZE__SHIFT));
611 amdgpu_gart_table_vram_unpin(adev);
612 }
613
gmc_v6_0_vm_decode_fault(struct amdgpu_device * adev,u32 status,u32 addr,u32 mc_client)614 static void gmc_v6_0_vm_decode_fault(struct amdgpu_device *adev,
615 u32 status, u32 addr, u32 mc_client)
616 {
617 u32 mc_id;
618 u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID);
619 u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
620 PROTECTIONS);
621 char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff,
622 (mc_client >> 8) & 0xff, mc_client & 0xff, 0 };
623
624 mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
625 MEMORY_CLIENT_ID);
626
627 dev_err(adev->dev, "VM fault (0x%02x, vmid %d) at page %u, %s from '%s' (0x%08x) (%d)\n",
628 protections, vmid, addr,
629 REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
630 MEMORY_CLIENT_RW) ?
631 "write" : "read", block, mc_client, mc_id);
632 }
633
634 /*
635 static const u32 mc_cg_registers[] = {
636 MC_HUB_MISC_HUB_CG,
637 MC_HUB_MISC_SIP_CG,
638 MC_HUB_MISC_VM_CG,
639 MC_XPB_CLK_GAT,
640 ATC_MISC_CG,
641 MC_CITF_MISC_WR_CG,
642 MC_CITF_MISC_RD_CG,
643 MC_CITF_MISC_VM_CG,
644 VM_L2_CG,
645 };
646
647 static const u32 mc_cg_ls_en[] = {
648 MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK,
649 MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK,
650 MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK,
651 MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK,
652 ATC_MISC_CG__MEM_LS_ENABLE_MASK,
653 MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK,
654 MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK,
655 MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK,
656 VM_L2_CG__MEM_LS_ENABLE_MASK,
657 };
658
659 static const u32 mc_cg_en[] = {
660 MC_HUB_MISC_HUB_CG__ENABLE_MASK,
661 MC_HUB_MISC_SIP_CG__ENABLE_MASK,
662 MC_HUB_MISC_VM_CG__ENABLE_MASK,
663 MC_XPB_CLK_GAT__ENABLE_MASK,
664 ATC_MISC_CG__ENABLE_MASK,
665 MC_CITF_MISC_WR_CG__ENABLE_MASK,
666 MC_CITF_MISC_RD_CG__ENABLE_MASK,
667 MC_CITF_MISC_VM_CG__ENABLE_MASK,
668 VM_L2_CG__ENABLE_MASK,
669 };
670
671 static void gmc_v6_0_enable_mc_ls(struct amdgpu_device *adev,
672 bool enable)
673 {
674 int i;
675 u32 orig, data;
676
677 for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
678 orig = data = RREG32(mc_cg_registers[i]);
679 if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_MC_LS))
680 data |= mc_cg_ls_en[i];
681 else
682 data &= ~mc_cg_ls_en[i];
683 if (data != orig)
684 WREG32(mc_cg_registers[i], data);
685 }
686 }
687
688 static void gmc_v6_0_enable_mc_mgcg(struct amdgpu_device *adev,
689 bool enable)
690 {
691 int i;
692 u32 orig, data;
693
694 for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
695 orig = data = RREG32(mc_cg_registers[i]);
696 if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_MC_MGCG))
697 data |= mc_cg_en[i];
698 else
699 data &= ~mc_cg_en[i];
700 if (data != orig)
701 WREG32(mc_cg_registers[i], data);
702 }
703 }
704
705 static void gmc_v6_0_enable_bif_mgls(struct amdgpu_device *adev,
706 bool enable)
707 {
708 u32 orig, data;
709
710 orig = data = RREG32_PCIE(ixPCIE_CNTL2);
711
712 if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_BIF_LS)) {
713 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 1);
714 data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 1);
715 data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 1);
716 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 1);
717 } else {
718 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 0);
719 data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 0);
720 data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 0);
721 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 0);
722 }
723
724 if (orig != data)
725 WREG32_PCIE(ixPCIE_CNTL2, data);
726 }
727
728 static void gmc_v6_0_enable_hdp_mgcg(struct amdgpu_device *adev,
729 bool enable)
730 {
731 u32 orig, data;
732
733 orig = data = RREG32(mmHDP_HOST_PATH_CNTL);
734
735 if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_HDP_MGCG))
736 data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 0);
737 else
738 data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 1);
739
740 if (orig != data)
741 WREG32(mmHDP_HOST_PATH_CNTL, data);
742 }
743
744 static void gmc_v6_0_enable_hdp_ls(struct amdgpu_device *adev,
745 bool enable)
746 {
747 u32 orig, data;
748
749 orig = data = RREG32(mmHDP_MEM_POWER_LS);
750
751 if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_HDP_LS))
752 data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 1);
753 else
754 data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 0);
755
756 if (orig != data)
757 WREG32(mmHDP_MEM_POWER_LS, data);
758 }
759 */
760
gmc_v6_0_convert_vram_type(int mc_seq_vram_type)761 static int gmc_v6_0_convert_vram_type(int mc_seq_vram_type)
762 {
763 switch (mc_seq_vram_type) {
764 case MC_SEQ_MISC0__MT__GDDR1:
765 return AMDGPU_VRAM_TYPE_GDDR1;
766 case MC_SEQ_MISC0__MT__DDR2:
767 return AMDGPU_VRAM_TYPE_DDR2;
768 case MC_SEQ_MISC0__MT__GDDR3:
769 return AMDGPU_VRAM_TYPE_GDDR3;
770 case MC_SEQ_MISC0__MT__GDDR4:
771 return AMDGPU_VRAM_TYPE_GDDR4;
772 case MC_SEQ_MISC0__MT__GDDR5:
773 return AMDGPU_VRAM_TYPE_GDDR5;
774 case MC_SEQ_MISC0__MT__DDR3:
775 return AMDGPU_VRAM_TYPE_DDR3;
776 default:
777 return AMDGPU_VRAM_TYPE_UNKNOWN;
778 }
779 }
780
gmc_v6_0_early_init(void * handle)781 static int gmc_v6_0_early_init(void *handle)
782 {
783 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
784
785 gmc_v6_0_set_gmc_funcs(adev);
786 gmc_v6_0_set_irq_funcs(adev);
787
788 return 0;
789 }
790
gmc_v6_0_late_init(void * handle)791 static int gmc_v6_0_late_init(void *handle)
792 {
793 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
794
795 if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS)
796 return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
797 else
798 return 0;
799 }
800
gmc_v6_0_get_vbios_fb_size(struct amdgpu_device * adev)801 static unsigned gmc_v6_0_get_vbios_fb_size(struct amdgpu_device *adev)
802 {
803 u32 d1vga_control = RREG32(mmD1VGA_CONTROL);
804 unsigned size;
805
806 if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {
807 size = AMDGPU_VBIOS_VGA_ALLOCATION;
808 } else {
809 u32 viewport = RREG32(mmVIEWPORT_SIZE);
810 size = (REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_HEIGHT) *
811 REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_WIDTH) *
812 4);
813 }
814 return size;
815 }
816
gmc_v6_0_sw_init(void * handle)817 static int gmc_v6_0_sw_init(void *handle)
818 {
819 int r;
820 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
821
822 adev->num_vmhubs = 1;
823
824 if (adev->flags & AMD_IS_APU) {
825 adev->gmc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
826 } else {
827 u32 tmp = RREG32(mmMC_SEQ_MISC0);
828 tmp &= MC_SEQ_MISC0__MT__MASK;
829 adev->gmc.vram_type = gmc_v6_0_convert_vram_type(tmp);
830 }
831
832 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 146, &adev->gmc.vm_fault);
833 if (r)
834 return r;
835
836 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 147, &adev->gmc.vm_fault);
837 if (r)
838 return r;
839
840 amdgpu_vm_adjust_size(adev, 64, 9, 1, 40);
841
842 adev->gmc.mc_mask = 0xffffffffffULL;
843
844 r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(44));
845 if (r) {
846 dev_warn(adev->dev, "No suitable DMA available.\n");
847 return r;
848 }
849 adev->need_swiotlb = drm_need_swiotlb(44);
850
851 r = gmc_v6_0_init_microcode(adev);
852 if (r) {
853 dev_err(adev->dev, "Failed to load mc firmware!\n");
854 return r;
855 }
856
857 r = gmc_v6_0_mc_init(adev);
858 if (r)
859 return r;
860
861 amdgpu_gmc_get_vbios_allocations(adev);
862
863 r = amdgpu_bo_init(adev);
864 if (r)
865 return r;
866
867 r = gmc_v6_0_gart_init(adev);
868 if (r)
869 return r;
870
871 /*
872 * number of VMs
873 * VMID 0 is reserved for System
874 * amdgpu graphics/compute will use VMIDs 1-7
875 * amdkfd will use VMIDs 8-15
876 */
877 adev->vm_manager.first_kfd_vmid = 8;
878 amdgpu_vm_manager_init(adev);
879
880 /* base offset of vram pages */
881 if (adev->flags & AMD_IS_APU) {
882 u64 tmp = RREG32(mmMC_VM_FB_OFFSET);
883
884 tmp <<= 22;
885 adev->vm_manager.vram_base_offset = tmp;
886 } else {
887 adev->vm_manager.vram_base_offset = 0;
888 }
889
890 return 0;
891 }
892
gmc_v6_0_sw_fini(void * handle)893 static int gmc_v6_0_sw_fini(void *handle)
894 {
895 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
896
897 amdgpu_gem_force_release(adev);
898 amdgpu_vm_manager_fini(adev);
899 amdgpu_gart_table_vram_free(adev);
900 amdgpu_bo_fini(adev);
901 amdgpu_gart_fini(adev);
902 release_firmware(adev->gmc.fw);
903 adev->gmc.fw = NULL;
904
905 return 0;
906 }
907
gmc_v6_0_hw_init(void * handle)908 static int gmc_v6_0_hw_init(void *handle)
909 {
910 int r;
911 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
912
913 gmc_v6_0_mc_program(adev);
914
915 if (!(adev->flags & AMD_IS_APU)) {
916 r = gmc_v6_0_mc_load_microcode(adev);
917 if (r) {
918 dev_err(adev->dev, "Failed to load MC firmware!\n");
919 return r;
920 }
921 }
922
923 r = gmc_v6_0_gart_enable(adev);
924 if (r)
925 return r;
926
927 return r;
928 }
929
gmc_v6_0_hw_fini(void * handle)930 static int gmc_v6_0_hw_fini(void *handle)
931 {
932 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
933
934 amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
935 gmc_v6_0_gart_disable(adev);
936
937 return 0;
938 }
939
gmc_v6_0_suspend(void * handle)940 static int gmc_v6_0_suspend(void *handle)
941 {
942 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
943
944 gmc_v6_0_hw_fini(adev);
945
946 return 0;
947 }
948
gmc_v6_0_resume(void * handle)949 static int gmc_v6_0_resume(void *handle)
950 {
951 int r;
952 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
953
954 r = gmc_v6_0_hw_init(adev);
955 if (r)
956 return r;
957
958 amdgpu_vmid_reset_all(adev);
959
960 return 0;
961 }
962
gmc_v6_0_is_idle(void * handle)963 static bool gmc_v6_0_is_idle(void *handle)
964 {
965 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
966 u32 tmp = RREG32(mmSRBM_STATUS);
967
968 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
969 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK))
970 return false;
971
972 return true;
973 }
974
gmc_v6_0_wait_for_idle(void * handle)975 static int gmc_v6_0_wait_for_idle(void *handle)
976 {
977 unsigned i;
978 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
979
980 for (i = 0; i < adev->usec_timeout; i++) {
981 if (gmc_v6_0_is_idle(handle))
982 return 0;
983 udelay(1);
984 }
985 return -ETIMEDOUT;
986
987 }
988
gmc_v6_0_soft_reset(void * handle)989 static int gmc_v6_0_soft_reset(void *handle)
990 {
991 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
992 u32 srbm_soft_reset = 0;
993 u32 tmp = RREG32(mmSRBM_STATUS);
994
995 if (tmp & SRBM_STATUS__VMC_BUSY_MASK)
996 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
997 SRBM_SOFT_RESET, SOFT_RESET_VMC, 1);
998
999 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
1000 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) {
1001 if (!(adev->flags & AMD_IS_APU))
1002 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1003 SRBM_SOFT_RESET, SOFT_RESET_MC, 1);
1004 }
1005
1006 if (srbm_soft_reset) {
1007 gmc_v6_0_mc_stop(adev);
1008 if (gmc_v6_0_wait_for_idle(adev)) {
1009 dev_warn(adev->dev, "Wait for GMC idle timed out !\n");
1010 }
1011
1012
1013 tmp = RREG32(mmSRBM_SOFT_RESET);
1014 tmp |= srbm_soft_reset;
1015 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1016 WREG32(mmSRBM_SOFT_RESET, tmp);
1017 tmp = RREG32(mmSRBM_SOFT_RESET);
1018
1019 udelay(50);
1020
1021 tmp &= ~srbm_soft_reset;
1022 WREG32(mmSRBM_SOFT_RESET, tmp);
1023 tmp = RREG32(mmSRBM_SOFT_RESET);
1024
1025 udelay(50);
1026
1027 gmc_v6_0_mc_resume(adev);
1028 udelay(50);
1029 }
1030
1031 return 0;
1032 }
1033
gmc_v6_0_vm_fault_interrupt_state(struct amdgpu_device * adev,struct amdgpu_irq_src * src,unsigned type,enum amdgpu_interrupt_state state)1034 static int gmc_v6_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
1035 struct amdgpu_irq_src *src,
1036 unsigned type,
1037 enum amdgpu_interrupt_state state)
1038 {
1039 u32 tmp;
1040 u32 bits = (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1041 VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1042 VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1043 VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1044 VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1045 VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK);
1046
1047 switch (state) {
1048 case AMDGPU_IRQ_STATE_DISABLE:
1049 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1050 tmp &= ~bits;
1051 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1052 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1053 tmp &= ~bits;
1054 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1055 break;
1056 case AMDGPU_IRQ_STATE_ENABLE:
1057 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1058 tmp |= bits;
1059 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1060 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1061 tmp |= bits;
1062 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1063 break;
1064 default:
1065 break;
1066 }
1067
1068 return 0;
1069 }
1070
gmc_v6_0_process_interrupt(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)1071 static int gmc_v6_0_process_interrupt(struct amdgpu_device *adev,
1072 struct amdgpu_irq_src *source,
1073 struct amdgpu_iv_entry *entry)
1074 {
1075 u32 addr, status;
1076
1077 addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR);
1078 status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS);
1079 WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1);
1080
1081 if (!addr && !status)
1082 return 0;
1083
1084 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST)
1085 gmc_v6_0_set_fault_enable_default(adev, false);
1086
1087 if (printk_ratelimit()) {
1088 dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n",
1089 entry->src_id, entry->src_data[0]);
1090 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
1091 addr);
1092 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1093 status);
1094 gmc_v6_0_vm_decode_fault(adev, status, addr, 0);
1095 }
1096
1097 return 0;
1098 }
1099
gmc_v6_0_set_clockgating_state(void * handle,enum amd_clockgating_state state)1100 static int gmc_v6_0_set_clockgating_state(void *handle,
1101 enum amd_clockgating_state state)
1102 {
1103 return 0;
1104 }
1105
gmc_v6_0_set_powergating_state(void * handle,enum amd_powergating_state state)1106 static int gmc_v6_0_set_powergating_state(void *handle,
1107 enum amd_powergating_state state)
1108 {
1109 return 0;
1110 }
1111
1112 static const struct amd_ip_funcs gmc_v6_0_ip_funcs = {
1113 .name = "gmc_v6_0",
1114 .early_init = gmc_v6_0_early_init,
1115 .late_init = gmc_v6_0_late_init,
1116 .sw_init = gmc_v6_0_sw_init,
1117 .sw_fini = gmc_v6_0_sw_fini,
1118 .hw_init = gmc_v6_0_hw_init,
1119 .hw_fini = gmc_v6_0_hw_fini,
1120 .suspend = gmc_v6_0_suspend,
1121 .resume = gmc_v6_0_resume,
1122 .is_idle = gmc_v6_0_is_idle,
1123 .wait_for_idle = gmc_v6_0_wait_for_idle,
1124 .soft_reset = gmc_v6_0_soft_reset,
1125 .set_clockgating_state = gmc_v6_0_set_clockgating_state,
1126 .set_powergating_state = gmc_v6_0_set_powergating_state,
1127 };
1128
1129 static const struct amdgpu_gmc_funcs gmc_v6_0_gmc_funcs = {
1130 .flush_gpu_tlb = gmc_v6_0_flush_gpu_tlb,
1131 .emit_flush_gpu_tlb = gmc_v6_0_emit_flush_gpu_tlb,
1132 .set_prt = gmc_v6_0_set_prt,
1133 .get_vm_pde = gmc_v6_0_get_vm_pde,
1134 .get_vm_pte = gmc_v6_0_get_vm_pte,
1135 .get_vbios_fb_size = gmc_v6_0_get_vbios_fb_size,
1136 };
1137
1138 static const struct amdgpu_irq_src_funcs gmc_v6_0_irq_funcs = {
1139 .set = gmc_v6_0_vm_fault_interrupt_state,
1140 .process = gmc_v6_0_process_interrupt,
1141 };
1142
gmc_v6_0_set_gmc_funcs(struct amdgpu_device * adev)1143 static void gmc_v6_0_set_gmc_funcs(struct amdgpu_device *adev)
1144 {
1145 adev->gmc.gmc_funcs = &gmc_v6_0_gmc_funcs;
1146 }
1147
gmc_v6_0_set_irq_funcs(struct amdgpu_device * adev)1148 static void gmc_v6_0_set_irq_funcs(struct amdgpu_device *adev)
1149 {
1150 adev->gmc.vm_fault.num_types = 1;
1151 adev->gmc.vm_fault.funcs = &gmc_v6_0_irq_funcs;
1152 }
1153
1154 const struct amdgpu_ip_block_version gmc_v6_0_ip_block =
1155 {
1156 .type = AMD_IP_BLOCK_TYPE_GMC,
1157 .major = 6,
1158 .minor = 0,
1159 .rev = 0,
1160 .funcs = &gmc_v6_0_ip_funcs,
1161 };
1162