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 u32 field;
473 int i;
474
475 if (adev->gart.bo == NULL) {
476 dev_err(adev->dev, "No VRAM object for PCIE GART.\n");
477 return -EINVAL;
478 }
479 amdgpu_gtt_mgr_recover(&adev->mman.gtt_mgr);
480
481 table_addr = amdgpu_bo_gpu_offset(adev->gart.bo);
482
483 /* Setup TLB control */
484 WREG32(mmMC_VM_MX_L1_TLB_CNTL,
485 (0xA << 7) |
486 MC_VM_MX_L1_TLB_CNTL__ENABLE_L1_TLB_MASK |
487 MC_VM_MX_L1_TLB_CNTL__ENABLE_L1_FRAGMENT_PROCESSING_MASK |
488 MC_VM_MX_L1_TLB_CNTL__SYSTEM_ACCESS_MODE_MASK |
489 MC_VM_MX_L1_TLB_CNTL__ENABLE_ADVANCED_DRIVER_MODEL_MASK |
490 (0UL << MC_VM_MX_L1_TLB_CNTL__SYSTEM_APERTURE_UNMAPPED_ACCESS__SHIFT));
491 /* Setup L2 cache */
492 WREG32(mmVM_L2_CNTL,
493 VM_L2_CNTL__ENABLE_L2_CACHE_MASK |
494 VM_L2_CNTL__ENABLE_L2_FRAGMENT_PROCESSING_MASK |
495 VM_L2_CNTL__ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE_MASK |
496 VM_L2_CNTL__ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE_MASK |
497 (7UL << VM_L2_CNTL__EFFECTIVE_L2_QUEUE_SIZE__SHIFT) |
498 (1UL << VM_L2_CNTL__CONTEXT1_IDENTITY_ACCESS_MODE__SHIFT));
499 WREG32(mmVM_L2_CNTL2,
500 VM_L2_CNTL2__INVALIDATE_ALL_L1_TLBS_MASK |
501 VM_L2_CNTL2__INVALIDATE_L2_CACHE_MASK);
502
503 field = adev->vm_manager.fragment_size;
504 WREG32(mmVM_L2_CNTL3,
505 VM_L2_CNTL3__L2_CACHE_BIGK_ASSOCIATIVITY_MASK |
506 (field << VM_L2_CNTL3__BANK_SELECT__SHIFT) |
507 (field << VM_L2_CNTL3__L2_CACHE_BIGK_FRAGMENT_SIZE__SHIFT));
508 /* setup context0 */
509 WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR, adev->gmc.gart_start >> 12);
510 WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR, adev->gmc.gart_end >> 12);
511 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR, table_addr >> 12);
512 WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
513 (u32)(adev->dummy_page_addr >> 12));
514 WREG32(mmVM_CONTEXT0_CNTL2, 0);
515 WREG32(mmVM_CONTEXT0_CNTL,
516 VM_CONTEXT0_CNTL__ENABLE_CONTEXT_MASK |
517 (0UL << VM_CONTEXT0_CNTL__PAGE_TABLE_DEPTH__SHIFT) |
518 VM_CONTEXT0_CNTL__RANGE_PROTECTION_FAULT_ENABLE_DEFAULT_MASK);
519
520 WREG32(0x575, 0);
521 WREG32(0x576, 0);
522 WREG32(0x577, 0);
523
524 /* empty context1-15 */
525 /* set vm size, must be a multiple of 4 */
526 WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
527 WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR, adev->vm_manager.max_pfn - 1);
528 /* Assign the pt base to something valid for now; the pts used for
529 * the VMs are determined by the application and setup and assigned
530 * on the fly in the vm part of radeon_gart.c
531 */
532 for (i = 1; i < AMDGPU_NUM_VMID; i++) {
533 if (i < 8)
534 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i,
535 table_addr >> 12);
536 else
537 WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + i - 8,
538 table_addr >> 12);
539 }
540
541 /* enable context1-15 */
542 WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
543 (u32)(adev->dummy_page_addr >> 12));
544 WREG32(mmVM_CONTEXT1_CNTL2, 4);
545 WREG32(mmVM_CONTEXT1_CNTL,
546 VM_CONTEXT1_CNTL__ENABLE_CONTEXT_MASK |
547 (1UL << VM_CONTEXT1_CNTL__PAGE_TABLE_DEPTH__SHIFT) |
548 ((adev->vm_manager.block_size - 9)
549 << VM_CONTEXT1_CNTL__PAGE_TABLE_BLOCK_SIZE__SHIFT));
550 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_ALWAYS)
551 gmc_v6_0_set_fault_enable_default(adev, false);
552 else
553 gmc_v6_0_set_fault_enable_default(adev, true);
554
555 gmc_v6_0_flush_gpu_tlb(adev, 0, 0, 0);
556 dev_info(adev->dev, "PCIE GART of %uM enabled (table at 0x%016llX).\n",
557 (unsigned)(adev->gmc.gart_size >> 20),
558 (unsigned long long)table_addr);
559 return 0;
560 }
561
gmc_v6_0_gart_init(struct amdgpu_device * adev)562 static int gmc_v6_0_gart_init(struct amdgpu_device *adev)
563 {
564 int r;
565
566 if (adev->gart.bo) {
567 dev_warn(adev->dev, "gmc_v6_0 PCIE GART already initialized\n");
568 return 0;
569 }
570 r = amdgpu_gart_init(adev);
571 if (r)
572 return r;
573 adev->gart.table_size = adev->gart.num_gpu_pages * 8;
574 adev->gart.gart_pte_flags = 0;
575 return amdgpu_gart_table_vram_alloc(adev);
576 }
577
gmc_v6_0_gart_disable(struct amdgpu_device * adev)578 static void gmc_v6_0_gart_disable(struct amdgpu_device *adev)
579 {
580 /*unsigned i;
581
582 for (i = 1; i < 16; ++i) {
583 uint32_t reg;
584 if (i < 8)
585 reg = VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + i ;
586 else
587 reg = VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + (i - 8);
588 adev->vm_manager.saved_table_addr[i] = RREG32(reg);
589 }*/
590
591 /* Disable all tables */
592 WREG32(mmVM_CONTEXT0_CNTL, 0);
593 WREG32(mmVM_CONTEXT1_CNTL, 0);
594 /* Setup TLB control */
595 WREG32(mmMC_VM_MX_L1_TLB_CNTL,
596 MC_VM_MX_L1_TLB_CNTL__SYSTEM_ACCESS_MODE_MASK |
597 (0UL << MC_VM_MX_L1_TLB_CNTL__SYSTEM_APERTURE_UNMAPPED_ACCESS__SHIFT));
598 /* Setup L2 cache */
599 WREG32(mmVM_L2_CNTL,
600 VM_L2_CNTL__ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE_MASK |
601 VM_L2_CNTL__ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE_MASK |
602 (7UL << VM_L2_CNTL__EFFECTIVE_L2_QUEUE_SIZE__SHIFT) |
603 (1UL << VM_L2_CNTL__CONTEXT1_IDENTITY_ACCESS_MODE__SHIFT));
604 WREG32(mmVM_L2_CNTL2, 0);
605 WREG32(mmVM_L2_CNTL3,
606 VM_L2_CNTL3__L2_CACHE_BIGK_ASSOCIATIVITY_MASK |
607 (0UL << VM_L2_CNTL3__L2_CACHE_BIGK_FRAGMENT_SIZE__SHIFT));
608 }
609
gmc_v6_0_vm_decode_fault(struct amdgpu_device * adev,u32 status,u32 addr,u32 mc_client)610 static void gmc_v6_0_vm_decode_fault(struct amdgpu_device *adev,
611 u32 status, u32 addr, u32 mc_client)
612 {
613 u32 mc_id;
614 u32 vmid = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS, VMID);
615 u32 protections = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
616 PROTECTIONS);
617 char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff,
618 (mc_client >> 8) & 0xff, mc_client & 0xff, 0 };
619
620 mc_id = REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
621 MEMORY_CLIENT_ID);
622
623 dev_err(adev->dev, "VM fault (0x%02x, vmid %d) at page %u, %s from '%s' (0x%08x) (%d)\n",
624 protections, vmid, addr,
625 REG_GET_FIELD(status, VM_CONTEXT1_PROTECTION_FAULT_STATUS,
626 MEMORY_CLIENT_RW) ?
627 "write" : "read", block, mc_client, mc_id);
628 }
629
630 /*
631 static const u32 mc_cg_registers[] = {
632 MC_HUB_MISC_HUB_CG,
633 MC_HUB_MISC_SIP_CG,
634 MC_HUB_MISC_VM_CG,
635 MC_XPB_CLK_GAT,
636 ATC_MISC_CG,
637 MC_CITF_MISC_WR_CG,
638 MC_CITF_MISC_RD_CG,
639 MC_CITF_MISC_VM_CG,
640 VM_L2_CG,
641 };
642
643 static const u32 mc_cg_ls_en[] = {
644 MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK,
645 MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK,
646 MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK,
647 MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK,
648 ATC_MISC_CG__MEM_LS_ENABLE_MASK,
649 MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK,
650 MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK,
651 MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK,
652 VM_L2_CG__MEM_LS_ENABLE_MASK,
653 };
654
655 static const u32 mc_cg_en[] = {
656 MC_HUB_MISC_HUB_CG__ENABLE_MASK,
657 MC_HUB_MISC_SIP_CG__ENABLE_MASK,
658 MC_HUB_MISC_VM_CG__ENABLE_MASK,
659 MC_XPB_CLK_GAT__ENABLE_MASK,
660 ATC_MISC_CG__ENABLE_MASK,
661 MC_CITF_MISC_WR_CG__ENABLE_MASK,
662 MC_CITF_MISC_RD_CG__ENABLE_MASK,
663 MC_CITF_MISC_VM_CG__ENABLE_MASK,
664 VM_L2_CG__ENABLE_MASK,
665 };
666
667 static void gmc_v6_0_enable_mc_ls(struct amdgpu_device *adev,
668 bool enable)
669 {
670 int i;
671 u32 orig, data;
672
673 for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
674 orig = data = RREG32(mc_cg_registers[i]);
675 if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_MC_LS))
676 data |= mc_cg_ls_en[i];
677 else
678 data &= ~mc_cg_ls_en[i];
679 if (data != orig)
680 WREG32(mc_cg_registers[i], data);
681 }
682 }
683
684 static void gmc_v6_0_enable_mc_mgcg(struct amdgpu_device *adev,
685 bool enable)
686 {
687 int i;
688 u32 orig, data;
689
690 for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
691 orig = data = RREG32(mc_cg_registers[i]);
692 if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_MC_MGCG))
693 data |= mc_cg_en[i];
694 else
695 data &= ~mc_cg_en[i];
696 if (data != orig)
697 WREG32(mc_cg_registers[i], data);
698 }
699 }
700
701 static void gmc_v6_0_enable_bif_mgls(struct amdgpu_device *adev,
702 bool enable)
703 {
704 u32 orig, data;
705
706 orig = data = RREG32_PCIE(ixPCIE_CNTL2);
707
708 if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_BIF_LS)) {
709 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 1);
710 data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 1);
711 data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 1);
712 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 1);
713 } else {
714 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_LS_EN, 0);
715 data = REG_SET_FIELD(data, PCIE_CNTL2, MST_MEM_LS_EN, 0);
716 data = REG_SET_FIELD(data, PCIE_CNTL2, REPLAY_MEM_LS_EN, 0);
717 data = REG_SET_FIELD(data, PCIE_CNTL2, SLV_MEM_AGGRESSIVE_LS_EN, 0);
718 }
719
720 if (orig != data)
721 WREG32_PCIE(ixPCIE_CNTL2, data);
722 }
723
724 static void gmc_v6_0_enable_hdp_mgcg(struct amdgpu_device *adev,
725 bool enable)
726 {
727 u32 orig, data;
728
729 orig = data = RREG32(mmHDP_HOST_PATH_CNTL);
730
731 if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_HDP_MGCG))
732 data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 0);
733 else
734 data = REG_SET_FIELD(data, HDP_HOST_PATH_CNTL, CLOCK_GATING_DIS, 1);
735
736 if (orig != data)
737 WREG32(mmHDP_HOST_PATH_CNTL, data);
738 }
739
740 static void gmc_v6_0_enable_hdp_ls(struct amdgpu_device *adev,
741 bool enable)
742 {
743 u32 orig, data;
744
745 orig = data = RREG32(mmHDP_MEM_POWER_LS);
746
747 if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_HDP_LS))
748 data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 1);
749 else
750 data = REG_SET_FIELD(data, HDP_MEM_POWER_LS, LS_ENABLE, 0);
751
752 if (orig != data)
753 WREG32(mmHDP_MEM_POWER_LS, data);
754 }
755 */
756
gmc_v6_0_convert_vram_type(int mc_seq_vram_type)757 static int gmc_v6_0_convert_vram_type(int mc_seq_vram_type)
758 {
759 switch (mc_seq_vram_type) {
760 case MC_SEQ_MISC0__MT__GDDR1:
761 return AMDGPU_VRAM_TYPE_GDDR1;
762 case MC_SEQ_MISC0__MT__DDR2:
763 return AMDGPU_VRAM_TYPE_DDR2;
764 case MC_SEQ_MISC0__MT__GDDR3:
765 return AMDGPU_VRAM_TYPE_GDDR3;
766 case MC_SEQ_MISC0__MT__GDDR4:
767 return AMDGPU_VRAM_TYPE_GDDR4;
768 case MC_SEQ_MISC0__MT__GDDR5:
769 return AMDGPU_VRAM_TYPE_GDDR5;
770 case MC_SEQ_MISC0__MT__DDR3:
771 return AMDGPU_VRAM_TYPE_DDR3;
772 default:
773 return AMDGPU_VRAM_TYPE_UNKNOWN;
774 }
775 }
776
gmc_v6_0_early_init(void * handle)777 static int gmc_v6_0_early_init(void *handle)
778 {
779 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
780
781 gmc_v6_0_set_gmc_funcs(adev);
782 gmc_v6_0_set_irq_funcs(adev);
783
784 return 0;
785 }
786
gmc_v6_0_late_init(void * handle)787 static int gmc_v6_0_late_init(void *handle)
788 {
789 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
790
791 if (amdgpu_vm_fault_stop != AMDGPU_VM_FAULT_STOP_ALWAYS)
792 return amdgpu_irq_get(adev, &adev->gmc.vm_fault, 0);
793 else
794 return 0;
795 }
796
gmc_v6_0_get_vbios_fb_size(struct amdgpu_device * adev)797 static unsigned gmc_v6_0_get_vbios_fb_size(struct amdgpu_device *adev)
798 {
799 u32 d1vga_control = RREG32(mmD1VGA_CONTROL);
800 unsigned size;
801
802 if (REG_GET_FIELD(d1vga_control, D1VGA_CONTROL, D1VGA_MODE_ENABLE)) {
803 size = AMDGPU_VBIOS_VGA_ALLOCATION;
804 } else {
805 u32 viewport = RREG32(mmVIEWPORT_SIZE);
806 size = (REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_HEIGHT) *
807 REG_GET_FIELD(viewport, VIEWPORT_SIZE, VIEWPORT_WIDTH) *
808 4);
809 }
810 return size;
811 }
812
gmc_v6_0_sw_init(void * handle)813 static int gmc_v6_0_sw_init(void *handle)
814 {
815 int r;
816 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
817
818 adev->num_vmhubs = 1;
819
820 if (adev->flags & AMD_IS_APU) {
821 adev->gmc.vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
822 } else {
823 u32 tmp = RREG32(mmMC_SEQ_MISC0);
824 tmp &= MC_SEQ_MISC0__MT__MASK;
825 adev->gmc.vram_type = gmc_v6_0_convert_vram_type(tmp);
826 }
827
828 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 146, &adev->gmc.vm_fault);
829 if (r)
830 return r;
831
832 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 147, &adev->gmc.vm_fault);
833 if (r)
834 return r;
835
836 amdgpu_vm_adjust_size(adev, 64, 9, 1, 40);
837
838 adev->gmc.mc_mask = 0xffffffffffULL;
839
840 r = dma_set_mask_and_coherent(adev->dev, DMA_BIT_MASK(40));
841 if (r) {
842 dev_warn(adev->dev, "No suitable DMA available.\n");
843 return r;
844 }
845 adev->need_swiotlb = drm_need_swiotlb(40);
846
847 r = gmc_v6_0_init_microcode(adev);
848 if (r) {
849 dev_err(adev->dev, "Failed to load mc firmware!\n");
850 return r;
851 }
852
853 r = gmc_v6_0_mc_init(adev);
854 if (r)
855 return r;
856
857 amdgpu_gmc_get_vbios_allocations(adev);
858
859 r = amdgpu_bo_init(adev);
860 if (r)
861 return r;
862
863 r = gmc_v6_0_gart_init(adev);
864 if (r)
865 return r;
866
867 /*
868 * number of VMs
869 * VMID 0 is reserved for System
870 * amdgpu graphics/compute will use VMIDs 1-7
871 * amdkfd will use VMIDs 8-15
872 */
873 adev->vm_manager.first_kfd_vmid = 8;
874 amdgpu_vm_manager_init(adev);
875
876 /* base offset of vram pages */
877 if (adev->flags & AMD_IS_APU) {
878 u64 tmp = RREG32(mmMC_VM_FB_OFFSET);
879
880 tmp <<= 22;
881 adev->vm_manager.vram_base_offset = tmp;
882 } else {
883 adev->vm_manager.vram_base_offset = 0;
884 }
885
886 return 0;
887 }
888
gmc_v6_0_sw_fini(void * handle)889 static int gmc_v6_0_sw_fini(void *handle)
890 {
891 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
892
893 amdgpu_gem_force_release(adev);
894 amdgpu_vm_manager_fini(adev);
895 amdgpu_gart_table_vram_free(adev);
896 amdgpu_bo_fini(adev);
897 release_firmware(adev->gmc.fw);
898 adev->gmc.fw = NULL;
899
900 return 0;
901 }
902
gmc_v6_0_hw_init(void * handle)903 static int gmc_v6_0_hw_init(void *handle)
904 {
905 int r;
906 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
907
908 gmc_v6_0_mc_program(adev);
909
910 if (!(adev->flags & AMD_IS_APU)) {
911 r = gmc_v6_0_mc_load_microcode(adev);
912 if (r) {
913 dev_err(adev->dev, "Failed to load MC firmware!\n");
914 return r;
915 }
916 }
917
918 r = gmc_v6_0_gart_enable(adev);
919 if (r)
920 return r;
921
922 if (amdgpu_emu_mode == 1)
923 return amdgpu_gmc_vram_checking(adev);
924 else
925 return r;
926 }
927
gmc_v6_0_hw_fini(void * handle)928 static int gmc_v6_0_hw_fini(void *handle)
929 {
930 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
931
932 amdgpu_irq_put(adev, &adev->gmc.vm_fault, 0);
933 gmc_v6_0_gart_disable(adev);
934
935 return 0;
936 }
937
gmc_v6_0_suspend(void * handle)938 static int gmc_v6_0_suspend(void *handle)
939 {
940 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
941
942 gmc_v6_0_hw_fini(adev);
943
944 return 0;
945 }
946
gmc_v6_0_resume(void * handle)947 static int gmc_v6_0_resume(void *handle)
948 {
949 int r;
950 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
951
952 r = gmc_v6_0_hw_init(adev);
953 if (r)
954 return r;
955
956 amdgpu_vmid_reset_all(adev);
957
958 return 0;
959 }
960
gmc_v6_0_is_idle(void * handle)961 static bool gmc_v6_0_is_idle(void *handle)
962 {
963 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
964 u32 tmp = RREG32(mmSRBM_STATUS);
965
966 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
967 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK | SRBM_STATUS__VMC_BUSY_MASK))
968 return false;
969
970 return true;
971 }
972
gmc_v6_0_wait_for_idle(void * handle)973 static int gmc_v6_0_wait_for_idle(void *handle)
974 {
975 unsigned i;
976 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
977
978 for (i = 0; i < adev->usec_timeout; i++) {
979 if (gmc_v6_0_is_idle(handle))
980 return 0;
981 udelay(1);
982 }
983 return -ETIMEDOUT;
984
985 }
986
gmc_v6_0_soft_reset(void * handle)987 static int gmc_v6_0_soft_reset(void *handle)
988 {
989 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
990 u32 srbm_soft_reset = 0;
991 u32 tmp = RREG32(mmSRBM_STATUS);
992
993 if (tmp & SRBM_STATUS__VMC_BUSY_MASK)
994 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
995 SRBM_SOFT_RESET, SOFT_RESET_VMC, 1);
996
997 if (tmp & (SRBM_STATUS__MCB_BUSY_MASK | SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
998 SRBM_STATUS__MCC_BUSY_MASK | SRBM_STATUS__MCD_BUSY_MASK)) {
999 if (!(adev->flags & AMD_IS_APU))
1000 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset,
1001 SRBM_SOFT_RESET, SOFT_RESET_MC, 1);
1002 }
1003
1004 if (srbm_soft_reset) {
1005 gmc_v6_0_mc_stop(adev);
1006 if (gmc_v6_0_wait_for_idle(adev)) {
1007 dev_warn(adev->dev, "Wait for GMC idle timed out !\n");
1008 }
1009
1010
1011 tmp = RREG32(mmSRBM_SOFT_RESET);
1012 tmp |= srbm_soft_reset;
1013 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1014 WREG32(mmSRBM_SOFT_RESET, tmp);
1015 tmp = RREG32(mmSRBM_SOFT_RESET);
1016
1017 udelay(50);
1018
1019 tmp &= ~srbm_soft_reset;
1020 WREG32(mmSRBM_SOFT_RESET, tmp);
1021 tmp = RREG32(mmSRBM_SOFT_RESET);
1022
1023 udelay(50);
1024
1025 gmc_v6_0_mc_resume(adev);
1026 udelay(50);
1027 }
1028
1029 return 0;
1030 }
1031
gmc_v6_0_vm_fault_interrupt_state(struct amdgpu_device * adev,struct amdgpu_irq_src * src,unsigned type,enum amdgpu_interrupt_state state)1032 static int gmc_v6_0_vm_fault_interrupt_state(struct amdgpu_device *adev,
1033 struct amdgpu_irq_src *src,
1034 unsigned type,
1035 enum amdgpu_interrupt_state state)
1036 {
1037 u32 tmp;
1038 u32 bits = (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1039 VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1040 VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1041 VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1042 VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK |
1043 VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK);
1044
1045 switch (state) {
1046 case AMDGPU_IRQ_STATE_DISABLE:
1047 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1048 tmp &= ~bits;
1049 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1050 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1051 tmp &= ~bits;
1052 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1053 break;
1054 case AMDGPU_IRQ_STATE_ENABLE:
1055 tmp = RREG32(mmVM_CONTEXT0_CNTL);
1056 tmp |= bits;
1057 WREG32(mmVM_CONTEXT0_CNTL, tmp);
1058 tmp = RREG32(mmVM_CONTEXT1_CNTL);
1059 tmp |= bits;
1060 WREG32(mmVM_CONTEXT1_CNTL, tmp);
1061 break;
1062 default:
1063 break;
1064 }
1065
1066 return 0;
1067 }
1068
gmc_v6_0_process_interrupt(struct amdgpu_device * adev,struct amdgpu_irq_src * source,struct amdgpu_iv_entry * entry)1069 static int gmc_v6_0_process_interrupt(struct amdgpu_device *adev,
1070 struct amdgpu_irq_src *source,
1071 struct amdgpu_iv_entry *entry)
1072 {
1073 u32 addr, status;
1074
1075 addr = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR);
1076 status = RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS);
1077 WREG32_P(mmVM_CONTEXT1_CNTL2, 1, ~1);
1078
1079 if (!addr && !status)
1080 return 0;
1081
1082 if (amdgpu_vm_fault_stop == AMDGPU_VM_FAULT_STOP_FIRST)
1083 gmc_v6_0_set_fault_enable_default(adev, false);
1084
1085 if (printk_ratelimit()) {
1086 dev_err(adev->dev, "GPU fault detected: %d 0x%08x\n",
1087 entry->src_id, entry->src_data[0]);
1088 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
1089 addr);
1090 dev_err(adev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1091 status);
1092 gmc_v6_0_vm_decode_fault(adev, status, addr, 0);
1093 }
1094
1095 return 0;
1096 }
1097
gmc_v6_0_set_clockgating_state(void * handle,enum amd_clockgating_state state)1098 static int gmc_v6_0_set_clockgating_state(void *handle,
1099 enum amd_clockgating_state state)
1100 {
1101 return 0;
1102 }
1103
gmc_v6_0_set_powergating_state(void * handle,enum amd_powergating_state state)1104 static int gmc_v6_0_set_powergating_state(void *handle,
1105 enum amd_powergating_state state)
1106 {
1107 return 0;
1108 }
1109
1110 static const struct amd_ip_funcs gmc_v6_0_ip_funcs = {
1111 .name = "gmc_v6_0",
1112 .early_init = gmc_v6_0_early_init,
1113 .late_init = gmc_v6_0_late_init,
1114 .sw_init = gmc_v6_0_sw_init,
1115 .sw_fini = gmc_v6_0_sw_fini,
1116 .hw_init = gmc_v6_0_hw_init,
1117 .hw_fini = gmc_v6_0_hw_fini,
1118 .suspend = gmc_v6_0_suspend,
1119 .resume = gmc_v6_0_resume,
1120 .is_idle = gmc_v6_0_is_idle,
1121 .wait_for_idle = gmc_v6_0_wait_for_idle,
1122 .soft_reset = gmc_v6_0_soft_reset,
1123 .set_clockgating_state = gmc_v6_0_set_clockgating_state,
1124 .set_powergating_state = gmc_v6_0_set_powergating_state,
1125 };
1126
1127 static const struct amdgpu_gmc_funcs gmc_v6_0_gmc_funcs = {
1128 .flush_gpu_tlb = gmc_v6_0_flush_gpu_tlb,
1129 .emit_flush_gpu_tlb = gmc_v6_0_emit_flush_gpu_tlb,
1130 .set_prt = gmc_v6_0_set_prt,
1131 .get_vm_pde = gmc_v6_0_get_vm_pde,
1132 .get_vm_pte = gmc_v6_0_get_vm_pte,
1133 .get_vbios_fb_size = gmc_v6_0_get_vbios_fb_size,
1134 };
1135
1136 static const struct amdgpu_irq_src_funcs gmc_v6_0_irq_funcs = {
1137 .set = gmc_v6_0_vm_fault_interrupt_state,
1138 .process = gmc_v6_0_process_interrupt,
1139 };
1140
gmc_v6_0_set_gmc_funcs(struct amdgpu_device * adev)1141 static void gmc_v6_0_set_gmc_funcs(struct amdgpu_device *adev)
1142 {
1143 adev->gmc.gmc_funcs = &gmc_v6_0_gmc_funcs;
1144 }
1145
gmc_v6_0_set_irq_funcs(struct amdgpu_device * adev)1146 static void gmc_v6_0_set_irq_funcs(struct amdgpu_device *adev)
1147 {
1148 adev->gmc.vm_fault.num_types = 1;
1149 adev->gmc.vm_fault.funcs = &gmc_v6_0_irq_funcs;
1150 }
1151
1152 const struct amdgpu_ip_block_version gmc_v6_0_ip_block =
1153 {
1154 .type = AMD_IP_BLOCK_TYPE_GMC,
1155 .major = 6,
1156 .minor = 0,
1157 .rev = 0,
1158 .funcs = &gmc_v6_0_ip_funcs,
1159 };
1160
