1 /*
2 * Copyright 2011 Advanced Micro Devices, Inc.
3 * All Rights Reserved.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sub license, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
16 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
17 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
18 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
19 * USE OR OTHER DEALINGS IN THE SOFTWARE.
20 *
21 * The above copyright notice and this permission notice (including the
22 * next paragraph) shall be included in all copies or substantial portions
23 * of the Software.
24 *
25 */
26 /*
27 * Authors:
28 * Christian König <deathsimple@vodafone.de>
29 */
30
31 #include <linux/firmware.h>
32 #include <linux/module.h>
33
34 #include <drm/drm.h>
35 #include <drm/drm_drv.h>
36
37 #include "amdgpu.h"
38 #include "amdgpu_pm.h"
39 #include "amdgpu_uvd.h"
40 #include "cikd.h"
41 #include "uvd/uvd_4_2_d.h"
42
43 #include "amdgpu_ras.h"
44
45 /* 1 second timeout */
46 #define UVD_IDLE_TIMEOUT msecs_to_jiffies(1000)
47
48 /* Firmware versions for VI */
49 #define FW_1_65_10 ((1 << 24) | (65 << 16) | (10 << 8))
50 #define FW_1_87_11 ((1 << 24) | (87 << 16) | (11 << 8))
51 #define FW_1_87_12 ((1 << 24) | (87 << 16) | (12 << 8))
52 #define FW_1_37_15 ((1 << 24) | (37 << 16) | (15 << 8))
53
54 /* Polaris10/11 firmware version */
55 #define FW_1_66_16 ((1 << 24) | (66 << 16) | (16 << 8))
56
57 /* Firmware Names */
58 #ifdef CONFIG_DRM_AMDGPU_SI
59 #define FIRMWARE_TAHITI "amdgpu/tahiti_uvd.bin"
60 #define FIRMWARE_VERDE "amdgpu/verde_uvd.bin"
61 #define FIRMWARE_PITCAIRN "amdgpu/pitcairn_uvd.bin"
62 #define FIRMWARE_OLAND "amdgpu/oland_uvd.bin"
63 #endif
64 #ifdef CONFIG_DRM_AMDGPU_CIK
65 #define FIRMWARE_BONAIRE "amdgpu/bonaire_uvd.bin"
66 #define FIRMWARE_KABINI "amdgpu/kabini_uvd.bin"
67 #define FIRMWARE_KAVERI "amdgpu/kaveri_uvd.bin"
68 #define FIRMWARE_HAWAII "amdgpu/hawaii_uvd.bin"
69 #define FIRMWARE_MULLINS "amdgpu/mullins_uvd.bin"
70 #endif
71 #define FIRMWARE_TONGA "amdgpu/tonga_uvd.bin"
72 #define FIRMWARE_CARRIZO "amdgpu/carrizo_uvd.bin"
73 #define FIRMWARE_FIJI "amdgpu/fiji_uvd.bin"
74 #define FIRMWARE_STONEY "amdgpu/stoney_uvd.bin"
75 #define FIRMWARE_POLARIS10 "amdgpu/polaris10_uvd.bin"
76 #define FIRMWARE_POLARIS11 "amdgpu/polaris11_uvd.bin"
77 #define FIRMWARE_POLARIS12 "amdgpu/polaris12_uvd.bin"
78 #define FIRMWARE_VEGAM "amdgpu/vegam_uvd.bin"
79
80 #define FIRMWARE_VEGA10 "amdgpu/vega10_uvd.bin"
81 #define FIRMWARE_VEGA12 "amdgpu/vega12_uvd.bin"
82 #define FIRMWARE_VEGA20 "amdgpu/vega20_uvd.bin"
83
84 /* These are common relative offsets for all asics, from uvd_7_0_offset.h, */
85 #define UVD_GPCOM_VCPU_CMD 0x03c3
86 #define UVD_GPCOM_VCPU_DATA0 0x03c4
87 #define UVD_GPCOM_VCPU_DATA1 0x03c5
88 #define UVD_NO_OP 0x03ff
89 #define UVD_BASE_SI 0x3800
90
91 /*
92 * amdgpu_uvd_cs_ctx - Command submission parser context
93 *
94 * Used for emulating virtual memory support on UVD 4.2.
95 */
96 struct amdgpu_uvd_cs_ctx {
97 struct amdgpu_cs_parser *parser;
98 unsigned reg, count;
99 unsigned data0, data1;
100 unsigned idx;
101 unsigned ib_idx;
102
103 /* does the IB has a msg command */
104 bool has_msg_cmd;
105
106 /* minimum buffer sizes */
107 unsigned *buf_sizes;
108 };
109
110 #ifdef CONFIG_DRM_AMDGPU_SI
111 MODULE_FIRMWARE(FIRMWARE_TAHITI);
112 MODULE_FIRMWARE(FIRMWARE_VERDE);
113 MODULE_FIRMWARE(FIRMWARE_PITCAIRN);
114 MODULE_FIRMWARE(FIRMWARE_OLAND);
115 #endif
116 #ifdef CONFIG_DRM_AMDGPU_CIK
117 MODULE_FIRMWARE(FIRMWARE_BONAIRE);
118 MODULE_FIRMWARE(FIRMWARE_KABINI);
119 MODULE_FIRMWARE(FIRMWARE_KAVERI);
120 MODULE_FIRMWARE(FIRMWARE_HAWAII);
121 MODULE_FIRMWARE(FIRMWARE_MULLINS);
122 #endif
123 MODULE_FIRMWARE(FIRMWARE_TONGA);
124 MODULE_FIRMWARE(FIRMWARE_CARRIZO);
125 MODULE_FIRMWARE(FIRMWARE_FIJI);
126 MODULE_FIRMWARE(FIRMWARE_STONEY);
127 MODULE_FIRMWARE(FIRMWARE_POLARIS10);
128 MODULE_FIRMWARE(FIRMWARE_POLARIS11);
129 MODULE_FIRMWARE(FIRMWARE_POLARIS12);
130 MODULE_FIRMWARE(FIRMWARE_VEGAM);
131
132 MODULE_FIRMWARE(FIRMWARE_VEGA10);
133 MODULE_FIRMWARE(FIRMWARE_VEGA12);
134 MODULE_FIRMWARE(FIRMWARE_VEGA20);
135
136 static void amdgpu_uvd_idle_work_handler(struct work_struct *work);
137 static void amdgpu_uvd_force_into_uvd_segment(struct amdgpu_bo *abo);
138
amdgpu_uvd_create_msg_bo_helper(struct amdgpu_device * adev,uint32_t size,struct amdgpu_bo ** bo_ptr)139 static int amdgpu_uvd_create_msg_bo_helper(struct amdgpu_device *adev,
140 uint32_t size,
141 struct amdgpu_bo **bo_ptr)
142 {
143 struct ttm_operation_ctx ctx = { true, false };
144 struct amdgpu_bo *bo = NULL;
145 void *addr;
146 int r;
147
148 r = amdgpu_bo_create_reserved(adev, size, PAGE_SIZE,
149 AMDGPU_GEM_DOMAIN_GTT,
150 &bo, NULL, &addr);
151 if (r)
152 return r;
153
154 if (adev->uvd.address_64_bit)
155 goto succ;
156
157 amdgpu_bo_kunmap(bo);
158 amdgpu_bo_unpin(bo);
159 amdgpu_bo_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_VRAM);
160 amdgpu_uvd_force_into_uvd_segment(bo);
161 r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
162 if (r)
163 goto err;
164 r = amdgpu_bo_pin(bo, AMDGPU_GEM_DOMAIN_VRAM);
165 if (r)
166 goto err_pin;
167 r = amdgpu_bo_kmap(bo, &addr);
168 if (r)
169 goto err_kmap;
170 succ:
171 amdgpu_bo_unreserve(bo);
172 *bo_ptr = bo;
173 return 0;
174 err_kmap:
175 amdgpu_bo_unpin(bo);
176 err_pin:
177 err:
178 amdgpu_bo_unreserve(bo);
179 amdgpu_bo_unref(&bo);
180 return r;
181 }
182
amdgpu_uvd_sw_init(struct amdgpu_device * adev)183 int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
184 {
185 unsigned long bo_size;
186 const char *fw_name;
187 const struct common_firmware_header *hdr;
188 unsigned family_id;
189 int i, j, r;
190
191 INIT_DELAYED_WORK(&adev->uvd.idle_work, amdgpu_uvd_idle_work_handler);
192
193 switch (adev->asic_type) {
194 #ifdef CONFIG_DRM_AMDGPU_SI
195 case CHIP_TAHITI:
196 fw_name = FIRMWARE_TAHITI;
197 break;
198 case CHIP_VERDE:
199 fw_name = FIRMWARE_VERDE;
200 break;
201 case CHIP_PITCAIRN:
202 fw_name = FIRMWARE_PITCAIRN;
203 break;
204 case CHIP_OLAND:
205 fw_name = FIRMWARE_OLAND;
206 break;
207 #endif
208 #ifdef CONFIG_DRM_AMDGPU_CIK
209 case CHIP_BONAIRE:
210 fw_name = FIRMWARE_BONAIRE;
211 break;
212 case CHIP_KABINI:
213 fw_name = FIRMWARE_KABINI;
214 break;
215 case CHIP_KAVERI:
216 fw_name = FIRMWARE_KAVERI;
217 break;
218 case CHIP_HAWAII:
219 fw_name = FIRMWARE_HAWAII;
220 break;
221 case CHIP_MULLINS:
222 fw_name = FIRMWARE_MULLINS;
223 break;
224 #endif
225 case CHIP_TONGA:
226 fw_name = FIRMWARE_TONGA;
227 break;
228 case CHIP_FIJI:
229 fw_name = FIRMWARE_FIJI;
230 break;
231 case CHIP_CARRIZO:
232 fw_name = FIRMWARE_CARRIZO;
233 break;
234 case CHIP_STONEY:
235 fw_name = FIRMWARE_STONEY;
236 break;
237 case CHIP_POLARIS10:
238 fw_name = FIRMWARE_POLARIS10;
239 break;
240 case CHIP_POLARIS11:
241 fw_name = FIRMWARE_POLARIS11;
242 break;
243 case CHIP_POLARIS12:
244 fw_name = FIRMWARE_POLARIS12;
245 break;
246 case CHIP_VEGA10:
247 fw_name = FIRMWARE_VEGA10;
248 break;
249 case CHIP_VEGA12:
250 fw_name = FIRMWARE_VEGA12;
251 break;
252 case CHIP_VEGAM:
253 fw_name = FIRMWARE_VEGAM;
254 break;
255 case CHIP_VEGA20:
256 fw_name = FIRMWARE_VEGA20;
257 break;
258 default:
259 return -EINVAL;
260 }
261
262 r = request_firmware(&adev->uvd.fw, fw_name, adev->dev);
263 if (r) {
264 dev_err(adev->dev, "amdgpu_uvd: Can't load firmware \"%s\"\n",
265 fw_name);
266 return r;
267 }
268
269 r = amdgpu_ucode_validate(adev->uvd.fw);
270 if (r) {
271 dev_err(adev->dev, "amdgpu_uvd: Can't validate firmware \"%s\"\n",
272 fw_name);
273 release_firmware(adev->uvd.fw);
274 adev->uvd.fw = NULL;
275 return r;
276 }
277
278 /* Set the default UVD handles that the firmware can handle */
279 adev->uvd.max_handles = AMDGPU_DEFAULT_UVD_HANDLES;
280
281 hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
282 family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
283
284 if (adev->asic_type < CHIP_VEGA20) {
285 unsigned version_major, version_minor;
286
287 version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
288 version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
289 DRM_INFO("Found UVD firmware Version: %u.%u Family ID: %u\n",
290 version_major, version_minor, family_id);
291
292 /*
293 * Limit the number of UVD handles depending on microcode major
294 * and minor versions. The firmware version which has 40 UVD
295 * instances support is 1.80. So all subsequent versions should
296 * also have the same support.
297 */
298 if ((version_major > 0x01) ||
299 ((version_major == 0x01) && (version_minor >= 0x50)))
300 adev->uvd.max_handles = AMDGPU_MAX_UVD_HANDLES;
301
302 adev->uvd.fw_version = ((version_major << 24) | (version_minor << 16) |
303 (family_id << 8));
304
305 if ((adev->asic_type == CHIP_POLARIS10 ||
306 adev->asic_type == CHIP_POLARIS11) &&
307 (adev->uvd.fw_version < FW_1_66_16))
308 DRM_ERROR("POLARIS10/11 UVD firmware version %u.%u is too old.\n",
309 version_major, version_minor);
310 } else {
311 unsigned int enc_major, enc_minor, dec_minor;
312
313 dec_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
314 enc_minor = (le32_to_cpu(hdr->ucode_version) >> 24) & 0x3f;
315 enc_major = (le32_to_cpu(hdr->ucode_version) >> 30) & 0x3;
316 DRM_INFO("Found UVD firmware ENC: %u.%u DEC: .%u Family ID: %u\n",
317 enc_major, enc_minor, dec_minor, family_id);
318
319 adev->uvd.max_handles = AMDGPU_MAX_UVD_HANDLES;
320
321 adev->uvd.fw_version = le32_to_cpu(hdr->ucode_version);
322 }
323
324 bo_size = AMDGPU_UVD_STACK_SIZE + AMDGPU_UVD_HEAP_SIZE
325 + AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles;
326 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
327 bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
328
329 for (j = 0; j < adev->uvd.num_uvd_inst; j++) {
330 if (adev->uvd.harvest_config & (1 << j))
331 continue;
332 r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
333 AMDGPU_GEM_DOMAIN_VRAM, &adev->uvd.inst[j].vcpu_bo,
334 &adev->uvd.inst[j].gpu_addr, &adev->uvd.inst[j].cpu_addr);
335 if (r) {
336 dev_err(adev->dev, "(%d) failed to allocate UVD bo\n", r);
337 return r;
338 }
339 }
340
341 for (i = 0; i < adev->uvd.max_handles; ++i) {
342 atomic_set(&adev->uvd.handles[i], 0);
343 adev->uvd.filp[i] = NULL;
344 }
345
346 /* from uvd v5.0 HW addressing capacity increased to 64 bits */
347 if (!amdgpu_device_ip_block_version_cmp(adev, AMD_IP_BLOCK_TYPE_UVD, 5, 0))
348 adev->uvd.address_64_bit = true;
349
350 r = amdgpu_uvd_create_msg_bo_helper(adev, 128 << 10, &adev->uvd.ib_bo);
351 if (r)
352 return r;
353
354 switch (adev->asic_type) {
355 case CHIP_TONGA:
356 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_65_10;
357 break;
358 case CHIP_CARRIZO:
359 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_87_11;
360 break;
361 case CHIP_FIJI:
362 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_87_12;
363 break;
364 case CHIP_STONEY:
365 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_37_15;
366 break;
367 default:
368 adev->uvd.use_ctx_buf = adev->asic_type >= CHIP_POLARIS10;
369 }
370
371 return 0;
372 }
373
amdgpu_uvd_sw_fini(struct amdgpu_device * adev)374 int amdgpu_uvd_sw_fini(struct amdgpu_device *adev)
375 {
376 void *addr = amdgpu_bo_kptr(adev->uvd.ib_bo);
377 int i, j;
378
379 drm_sched_entity_destroy(&adev->uvd.entity);
380
381 for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
382 if (adev->uvd.harvest_config & (1 << j))
383 continue;
384 kvfree(adev->uvd.inst[j].saved_bo);
385
386 amdgpu_bo_free_kernel(&adev->uvd.inst[j].vcpu_bo,
387 &adev->uvd.inst[j].gpu_addr,
388 (void **)&adev->uvd.inst[j].cpu_addr);
389
390 amdgpu_ring_fini(&adev->uvd.inst[j].ring);
391
392 for (i = 0; i < AMDGPU_MAX_UVD_ENC_RINGS; ++i)
393 amdgpu_ring_fini(&adev->uvd.inst[j].ring_enc[i]);
394 }
395 amdgpu_bo_free_kernel(&adev->uvd.ib_bo, NULL, &addr);
396 release_firmware(adev->uvd.fw);
397
398 return 0;
399 }
400
401 /**
402 * amdgpu_uvd_entity_init - init entity
403 *
404 * @adev: amdgpu_device pointer
405 *
406 */
amdgpu_uvd_entity_init(struct amdgpu_device * adev)407 int amdgpu_uvd_entity_init(struct amdgpu_device *adev)
408 {
409 struct amdgpu_ring *ring;
410 struct drm_gpu_scheduler *sched;
411 int r;
412
413 ring = &adev->uvd.inst[0].ring;
414 sched = &ring->sched;
415 r = drm_sched_entity_init(&adev->uvd.entity, DRM_SCHED_PRIORITY_NORMAL,
416 &sched, 1, NULL);
417 if (r) {
418 DRM_ERROR("Failed setting up UVD kernel entity.\n");
419 return r;
420 }
421
422 return 0;
423 }
424
amdgpu_uvd_suspend(struct amdgpu_device * adev)425 int amdgpu_uvd_suspend(struct amdgpu_device *adev)
426 {
427 unsigned size;
428 void *ptr;
429 int i, j, idx;
430 bool in_ras_intr = amdgpu_ras_intr_triggered();
431
432 cancel_delayed_work_sync(&adev->uvd.idle_work);
433
434 /* only valid for physical mode */
435 if (adev->asic_type < CHIP_POLARIS10) {
436 for (i = 0; i < adev->uvd.max_handles; ++i)
437 if (atomic_read(&adev->uvd.handles[i]))
438 break;
439
440 if (i == adev->uvd.max_handles)
441 return 0;
442 }
443
444 for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
445 if (adev->uvd.harvest_config & (1 << j))
446 continue;
447 if (adev->uvd.inst[j].vcpu_bo == NULL)
448 continue;
449
450 size = amdgpu_bo_size(adev->uvd.inst[j].vcpu_bo);
451 ptr = adev->uvd.inst[j].cpu_addr;
452
453 adev->uvd.inst[j].saved_bo = kvmalloc(size, GFP_KERNEL);
454 if (!adev->uvd.inst[j].saved_bo)
455 return -ENOMEM;
456
457 if (drm_dev_enter(adev_to_drm(adev), &idx)) {
458 /* re-write 0 since err_event_athub will corrupt VCPU buffer */
459 if (in_ras_intr)
460 memset(adev->uvd.inst[j].saved_bo, 0, size);
461 else
462 memcpy_fromio(adev->uvd.inst[j].saved_bo, ptr, size);
463
464 drm_dev_exit(idx);
465 }
466 }
467
468 if (in_ras_intr)
469 DRM_WARN("UVD VCPU state may lost due to RAS ERREVENT_ATHUB_INTERRUPT\n");
470
471 return 0;
472 }
473
amdgpu_uvd_resume(struct amdgpu_device * adev)474 int amdgpu_uvd_resume(struct amdgpu_device *adev)
475 {
476 unsigned size;
477 void *ptr;
478 int i, idx;
479
480 for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
481 if (adev->uvd.harvest_config & (1 << i))
482 continue;
483 if (adev->uvd.inst[i].vcpu_bo == NULL)
484 return -EINVAL;
485
486 size = amdgpu_bo_size(adev->uvd.inst[i].vcpu_bo);
487 ptr = adev->uvd.inst[i].cpu_addr;
488
489 if (adev->uvd.inst[i].saved_bo != NULL) {
490 if (drm_dev_enter(adev_to_drm(adev), &idx)) {
491 memcpy_toio(ptr, adev->uvd.inst[i].saved_bo, size);
492 drm_dev_exit(idx);
493 }
494 kvfree(adev->uvd.inst[i].saved_bo);
495 adev->uvd.inst[i].saved_bo = NULL;
496 } else {
497 const struct common_firmware_header *hdr;
498 unsigned offset;
499
500 hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
501 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
502 offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
503 if (drm_dev_enter(adev_to_drm(adev), &idx)) {
504 memcpy_toio(adev->uvd.inst[i].cpu_addr, adev->uvd.fw->data + offset,
505 le32_to_cpu(hdr->ucode_size_bytes));
506 drm_dev_exit(idx);
507 }
508 size -= le32_to_cpu(hdr->ucode_size_bytes);
509 ptr += le32_to_cpu(hdr->ucode_size_bytes);
510 }
511 memset_io(ptr, 0, size);
512 /* to restore uvd fence seq */
513 amdgpu_fence_driver_force_completion(&adev->uvd.inst[i].ring);
514 }
515 }
516 return 0;
517 }
518
amdgpu_uvd_free_handles(struct amdgpu_device * adev,struct drm_file * filp)519 void amdgpu_uvd_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
520 {
521 struct amdgpu_ring *ring = &adev->uvd.inst[0].ring;
522 int i, r;
523
524 for (i = 0; i < adev->uvd.max_handles; ++i) {
525 uint32_t handle = atomic_read(&adev->uvd.handles[i]);
526
527 if (handle != 0 && adev->uvd.filp[i] == filp) {
528 struct dma_fence *fence;
529
530 r = amdgpu_uvd_get_destroy_msg(ring, handle, false,
531 &fence);
532 if (r) {
533 DRM_ERROR("Error destroying UVD %d!\n", r);
534 continue;
535 }
536
537 dma_fence_wait(fence, false);
538 dma_fence_put(fence);
539
540 adev->uvd.filp[i] = NULL;
541 atomic_set(&adev->uvd.handles[i], 0);
542 }
543 }
544 }
545
amdgpu_uvd_force_into_uvd_segment(struct amdgpu_bo * abo)546 static void amdgpu_uvd_force_into_uvd_segment(struct amdgpu_bo *abo)
547 {
548 int i;
549 for (i = 0; i < abo->placement.num_placement; ++i) {
550 abo->placements[i].fpfn = 0 >> PAGE_SHIFT;
551 abo->placements[i].lpfn = (256 * 1024 * 1024) >> PAGE_SHIFT;
552 }
553 }
554
amdgpu_uvd_get_addr_from_ctx(struct amdgpu_uvd_cs_ctx * ctx)555 static u64 amdgpu_uvd_get_addr_from_ctx(struct amdgpu_uvd_cs_ctx *ctx)
556 {
557 uint32_t lo, hi;
558 uint64_t addr;
559
560 lo = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->data0);
561 hi = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->data1);
562 addr = ((uint64_t)lo) | (((uint64_t)hi) << 32);
563
564 return addr;
565 }
566
567 /**
568 * amdgpu_uvd_cs_pass1 - first parsing round
569 *
570 * @ctx: UVD parser context
571 *
572 * Make sure UVD message and feedback buffers are in VRAM and
573 * nobody is violating an 256MB boundary.
574 */
amdgpu_uvd_cs_pass1(struct amdgpu_uvd_cs_ctx * ctx)575 static int amdgpu_uvd_cs_pass1(struct amdgpu_uvd_cs_ctx *ctx)
576 {
577 struct ttm_operation_ctx tctx = { false, false };
578 struct amdgpu_bo_va_mapping *mapping;
579 struct amdgpu_bo *bo;
580 uint32_t cmd;
581 uint64_t addr = amdgpu_uvd_get_addr_from_ctx(ctx);
582 int r = 0;
583
584 r = amdgpu_cs_find_mapping(ctx->parser, addr, &bo, &mapping);
585 if (r) {
586 DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr);
587 return r;
588 }
589
590 if (!ctx->parser->adev->uvd.address_64_bit) {
591 /* check if it's a message or feedback command */
592 cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx) >> 1;
593 if (cmd == 0x0 || cmd == 0x3) {
594 /* yes, force it into VRAM */
595 uint32_t domain = AMDGPU_GEM_DOMAIN_VRAM;
596 amdgpu_bo_placement_from_domain(bo, domain);
597 }
598 amdgpu_uvd_force_into_uvd_segment(bo);
599
600 r = ttm_bo_validate(&bo->tbo, &bo->placement, &tctx);
601 }
602
603 return r;
604 }
605
606 /**
607 * amdgpu_uvd_cs_msg_decode - handle UVD decode message
608 *
609 * @adev: amdgpu_device pointer
610 * @msg: pointer to message structure
611 * @buf_sizes: placeholder to put the different buffer lengths
612 *
613 * Peek into the decode message and calculate the necessary buffer sizes.
614 */
amdgpu_uvd_cs_msg_decode(struct amdgpu_device * adev,uint32_t * msg,unsigned buf_sizes[])615 static int amdgpu_uvd_cs_msg_decode(struct amdgpu_device *adev, uint32_t *msg,
616 unsigned buf_sizes[])
617 {
618 unsigned stream_type = msg[4];
619 unsigned width = msg[6];
620 unsigned height = msg[7];
621 unsigned dpb_size = msg[9];
622 unsigned pitch = msg[28];
623 unsigned level = msg[57];
624
625 unsigned width_in_mb = width / 16;
626 unsigned height_in_mb = ALIGN(height / 16, 2);
627 unsigned fs_in_mb = width_in_mb * height_in_mb;
628
629 unsigned image_size, tmp, min_dpb_size, num_dpb_buffer;
630 unsigned min_ctx_size = ~0;
631
632 image_size = width * height;
633 image_size += image_size / 2;
634 image_size = ALIGN(image_size, 1024);
635
636 switch (stream_type) {
637 case 0: /* H264 */
638 switch(level) {
639 case 30:
640 num_dpb_buffer = 8100 / fs_in_mb;
641 break;
642 case 31:
643 num_dpb_buffer = 18000 / fs_in_mb;
644 break;
645 case 32:
646 num_dpb_buffer = 20480 / fs_in_mb;
647 break;
648 case 41:
649 num_dpb_buffer = 32768 / fs_in_mb;
650 break;
651 case 42:
652 num_dpb_buffer = 34816 / fs_in_mb;
653 break;
654 case 50:
655 num_dpb_buffer = 110400 / fs_in_mb;
656 break;
657 case 51:
658 num_dpb_buffer = 184320 / fs_in_mb;
659 break;
660 default:
661 num_dpb_buffer = 184320 / fs_in_mb;
662 break;
663 }
664 num_dpb_buffer++;
665 if (num_dpb_buffer > 17)
666 num_dpb_buffer = 17;
667
668 /* reference picture buffer */
669 min_dpb_size = image_size * num_dpb_buffer;
670
671 /* macroblock context buffer */
672 min_dpb_size += width_in_mb * height_in_mb * num_dpb_buffer * 192;
673
674 /* IT surface buffer */
675 min_dpb_size += width_in_mb * height_in_mb * 32;
676 break;
677
678 case 1: /* VC1 */
679
680 /* reference picture buffer */
681 min_dpb_size = image_size * 3;
682
683 /* CONTEXT_BUFFER */
684 min_dpb_size += width_in_mb * height_in_mb * 128;
685
686 /* IT surface buffer */
687 min_dpb_size += width_in_mb * 64;
688
689 /* DB surface buffer */
690 min_dpb_size += width_in_mb * 128;
691
692 /* BP */
693 tmp = max(width_in_mb, height_in_mb);
694 min_dpb_size += ALIGN(tmp * 7 * 16, 64);
695 break;
696
697 case 3: /* MPEG2 */
698
699 /* reference picture buffer */
700 min_dpb_size = image_size * 3;
701 break;
702
703 case 4: /* MPEG4 */
704
705 /* reference picture buffer */
706 min_dpb_size = image_size * 3;
707
708 /* CM */
709 min_dpb_size += width_in_mb * height_in_mb * 64;
710
711 /* IT surface buffer */
712 min_dpb_size += ALIGN(width_in_mb * height_in_mb * 32, 64);
713 break;
714
715 case 7: /* H264 Perf */
716 switch(level) {
717 case 30:
718 num_dpb_buffer = 8100 / fs_in_mb;
719 break;
720 case 31:
721 num_dpb_buffer = 18000 / fs_in_mb;
722 break;
723 case 32:
724 num_dpb_buffer = 20480 / fs_in_mb;
725 break;
726 case 41:
727 num_dpb_buffer = 32768 / fs_in_mb;
728 break;
729 case 42:
730 num_dpb_buffer = 34816 / fs_in_mb;
731 break;
732 case 50:
733 num_dpb_buffer = 110400 / fs_in_mb;
734 break;
735 case 51:
736 num_dpb_buffer = 184320 / fs_in_mb;
737 break;
738 default:
739 num_dpb_buffer = 184320 / fs_in_mb;
740 break;
741 }
742 num_dpb_buffer++;
743 if (num_dpb_buffer > 17)
744 num_dpb_buffer = 17;
745
746 /* reference picture buffer */
747 min_dpb_size = image_size * num_dpb_buffer;
748
749 if (!adev->uvd.use_ctx_buf){
750 /* macroblock context buffer */
751 min_dpb_size +=
752 width_in_mb * height_in_mb * num_dpb_buffer * 192;
753
754 /* IT surface buffer */
755 min_dpb_size += width_in_mb * height_in_mb * 32;
756 } else {
757 /* macroblock context buffer */
758 min_ctx_size =
759 width_in_mb * height_in_mb * num_dpb_buffer * 192;
760 }
761 break;
762
763 case 8: /* MJPEG */
764 min_dpb_size = 0;
765 break;
766
767 case 16: /* H265 */
768 image_size = (ALIGN(width, 16) * ALIGN(height, 16) * 3) / 2;
769 image_size = ALIGN(image_size, 256);
770
771 num_dpb_buffer = (le32_to_cpu(msg[59]) & 0xff) + 2;
772 min_dpb_size = image_size * num_dpb_buffer;
773 min_ctx_size = ((width + 255) / 16) * ((height + 255) / 16)
774 * 16 * num_dpb_buffer + 52 * 1024;
775 break;
776
777 default:
778 DRM_ERROR("UVD codec not handled %d!\n", stream_type);
779 return -EINVAL;
780 }
781
782 if (width > pitch) {
783 DRM_ERROR("Invalid UVD decoding target pitch!\n");
784 return -EINVAL;
785 }
786
787 if (dpb_size < min_dpb_size) {
788 DRM_ERROR("Invalid dpb_size in UVD message (%d / %d)!\n",
789 dpb_size, min_dpb_size);
790 return -EINVAL;
791 }
792
793 buf_sizes[0x1] = dpb_size;
794 buf_sizes[0x2] = image_size;
795 buf_sizes[0x4] = min_ctx_size;
796 /* store image width to adjust nb memory pstate */
797 adev->uvd.decode_image_width = width;
798 return 0;
799 }
800
801 /**
802 * amdgpu_uvd_cs_msg - handle UVD message
803 *
804 * @ctx: UVD parser context
805 * @bo: buffer object containing the message
806 * @offset: offset into the buffer object
807 *
808 * Peek into the UVD message and extract the session id.
809 * Make sure that we don't open up to many sessions.
810 */
amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx * ctx,struct amdgpu_bo * bo,unsigned offset)811 static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
812 struct amdgpu_bo *bo, unsigned offset)
813 {
814 struct amdgpu_device *adev = ctx->parser->adev;
815 int32_t *msg, msg_type, handle;
816 void *ptr;
817 long r;
818 int i;
819
820 if (offset & 0x3F) {
821 DRM_ERROR("UVD messages must be 64 byte aligned!\n");
822 return -EINVAL;
823 }
824
825 r = amdgpu_bo_kmap(bo, &ptr);
826 if (r) {
827 DRM_ERROR("Failed mapping the UVD) message (%ld)!\n", r);
828 return r;
829 }
830
831 msg = ptr + offset;
832
833 msg_type = msg[1];
834 handle = msg[2];
835
836 if (handle == 0) {
837 DRM_ERROR("Invalid UVD handle!\n");
838 return -EINVAL;
839 }
840
841 switch (msg_type) {
842 case 0:
843 /* it's a create msg, calc image size (width * height) */
844 amdgpu_bo_kunmap(bo);
845
846 /* try to alloc a new handle */
847 for (i = 0; i < adev->uvd.max_handles; ++i) {
848 if (atomic_read(&adev->uvd.handles[i]) == handle) {
849 DRM_ERROR(")Handle 0x%x already in use!\n",
850 handle);
851 return -EINVAL;
852 }
853
854 if (!atomic_cmpxchg(&adev->uvd.handles[i], 0, handle)) {
855 adev->uvd.filp[i] = ctx->parser->filp;
856 return 0;
857 }
858 }
859
860 DRM_ERROR("No more free UVD handles!\n");
861 return -ENOSPC;
862
863 case 1:
864 /* it's a decode msg, calc buffer sizes */
865 r = amdgpu_uvd_cs_msg_decode(adev, msg, ctx->buf_sizes);
866 amdgpu_bo_kunmap(bo);
867 if (r)
868 return r;
869
870 /* validate the handle */
871 for (i = 0; i < adev->uvd.max_handles; ++i) {
872 if (atomic_read(&adev->uvd.handles[i]) == handle) {
873 if (adev->uvd.filp[i] != ctx->parser->filp) {
874 DRM_ERROR("UVD handle collision detected!\n");
875 return -EINVAL;
876 }
877 return 0;
878 }
879 }
880
881 DRM_ERROR("Invalid UVD handle 0x%x!\n", handle);
882 return -ENOENT;
883
884 case 2:
885 /* it's a destroy msg, free the handle */
886 for (i = 0; i < adev->uvd.max_handles; ++i)
887 atomic_cmpxchg(&adev->uvd.handles[i], handle, 0);
888 amdgpu_bo_kunmap(bo);
889 return 0;
890
891 default:
892 DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
893 }
894
895 return -EINVAL;
896 }
897
898 /**
899 * amdgpu_uvd_cs_pass2 - second parsing round
900 *
901 * @ctx: UVD parser context
902 *
903 * Patch buffer addresses, make sure buffer sizes are correct.
904 */
amdgpu_uvd_cs_pass2(struct amdgpu_uvd_cs_ctx * ctx)905 static int amdgpu_uvd_cs_pass2(struct amdgpu_uvd_cs_ctx *ctx)
906 {
907 struct amdgpu_bo_va_mapping *mapping;
908 struct amdgpu_bo *bo;
909 uint32_t cmd;
910 uint64_t start, end;
911 uint64_t addr = amdgpu_uvd_get_addr_from_ctx(ctx);
912 int r;
913
914 r = amdgpu_cs_find_mapping(ctx->parser, addr, &bo, &mapping);
915 if (r) {
916 DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr);
917 return r;
918 }
919
920 start = amdgpu_bo_gpu_offset(bo);
921
922 end = (mapping->last + 1 - mapping->start);
923 end = end * AMDGPU_GPU_PAGE_SIZE + start;
924
925 addr -= mapping->start * AMDGPU_GPU_PAGE_SIZE;
926 start += addr;
927
928 amdgpu_set_ib_value(ctx->parser, ctx->ib_idx, ctx->data0,
929 lower_32_bits(start));
930 amdgpu_set_ib_value(ctx->parser, ctx->ib_idx, ctx->data1,
931 upper_32_bits(start));
932
933 cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx) >> 1;
934 if (cmd < 0x4) {
935 if ((end - start) < ctx->buf_sizes[cmd]) {
936 DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
937 (unsigned)(end - start),
938 ctx->buf_sizes[cmd]);
939 return -EINVAL;
940 }
941
942 } else if (cmd == 0x206) {
943 if ((end - start) < ctx->buf_sizes[4]) {
944 DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
945 (unsigned)(end - start),
946 ctx->buf_sizes[4]);
947 return -EINVAL;
948 }
949 } else if ((cmd != 0x100) && (cmd != 0x204)) {
950 DRM_ERROR("invalid UVD command %X!\n", cmd);
951 return -EINVAL;
952 }
953
954 if (!ctx->parser->adev->uvd.address_64_bit) {
955 if ((start >> 28) != ((end - 1) >> 28)) {
956 DRM_ERROR("reloc %LX-%LX crossing 256MB boundary!\n",
957 start, end);
958 return -EINVAL;
959 }
960
961 if ((cmd == 0 || cmd == 0x3) &&
962 (start >> 28) != (ctx->parser->adev->uvd.inst->gpu_addr >> 28)) {
963 DRM_ERROR("msg/fb buffer %LX-%LX out of 256MB segment!\n",
964 start, end);
965 return -EINVAL;
966 }
967 }
968
969 if (cmd == 0) {
970 ctx->has_msg_cmd = true;
971 r = amdgpu_uvd_cs_msg(ctx, bo, addr);
972 if (r)
973 return r;
974 } else if (!ctx->has_msg_cmd) {
975 DRM_ERROR("Message needed before other commands are send!\n");
976 return -EINVAL;
977 }
978
979 return 0;
980 }
981
982 /**
983 * amdgpu_uvd_cs_reg - parse register writes
984 *
985 * @ctx: UVD parser context
986 * @cb: callback function
987 *
988 * Parse the register writes, call cb on each complete command.
989 */
amdgpu_uvd_cs_reg(struct amdgpu_uvd_cs_ctx * ctx,int (* cb)(struct amdgpu_uvd_cs_ctx * ctx))990 static int amdgpu_uvd_cs_reg(struct amdgpu_uvd_cs_ctx *ctx,
991 int (*cb)(struct amdgpu_uvd_cs_ctx *ctx))
992 {
993 struct amdgpu_ib *ib = &ctx->parser->job->ibs[ctx->ib_idx];
994 int i, r;
995
996 ctx->idx++;
997 for (i = 0; i <= ctx->count; ++i) {
998 unsigned reg = ctx->reg + i;
999
1000 if (ctx->idx >= ib->length_dw) {
1001 DRM_ERROR("Register command after end of CS!\n");
1002 return -EINVAL;
1003 }
1004
1005 switch (reg) {
1006 case mmUVD_GPCOM_VCPU_DATA0:
1007 ctx->data0 = ctx->idx;
1008 break;
1009 case mmUVD_GPCOM_VCPU_DATA1:
1010 ctx->data1 = ctx->idx;
1011 break;
1012 case mmUVD_GPCOM_VCPU_CMD:
1013 r = cb(ctx);
1014 if (r)
1015 return r;
1016 break;
1017 case mmUVD_ENGINE_CNTL:
1018 case mmUVD_NO_OP:
1019 break;
1020 default:
1021 DRM_ERROR("Invalid reg 0x%X!\n", reg);
1022 return -EINVAL;
1023 }
1024 ctx->idx++;
1025 }
1026 return 0;
1027 }
1028
1029 /**
1030 * amdgpu_uvd_cs_packets - parse UVD packets
1031 *
1032 * @ctx: UVD parser context
1033 * @cb: callback function
1034 *
1035 * Parse the command stream packets.
1036 */
amdgpu_uvd_cs_packets(struct amdgpu_uvd_cs_ctx * ctx,int (* cb)(struct amdgpu_uvd_cs_ctx * ctx))1037 static int amdgpu_uvd_cs_packets(struct amdgpu_uvd_cs_ctx *ctx,
1038 int (*cb)(struct amdgpu_uvd_cs_ctx *ctx))
1039 {
1040 struct amdgpu_ib *ib = &ctx->parser->job->ibs[ctx->ib_idx];
1041 int r;
1042
1043 for (ctx->idx = 0 ; ctx->idx < ib->length_dw; ) {
1044 uint32_t cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx);
1045 unsigned type = CP_PACKET_GET_TYPE(cmd);
1046 switch (type) {
1047 case PACKET_TYPE0:
1048 ctx->reg = CP_PACKET0_GET_REG(cmd);
1049 ctx->count = CP_PACKET_GET_COUNT(cmd);
1050 r = amdgpu_uvd_cs_reg(ctx, cb);
1051 if (r)
1052 return r;
1053 break;
1054 case PACKET_TYPE2:
1055 ++ctx->idx;
1056 break;
1057 default:
1058 DRM_ERROR("Unknown packet type %d !\n", type);
1059 return -EINVAL;
1060 }
1061 }
1062 return 0;
1063 }
1064
1065 /**
1066 * amdgpu_uvd_ring_parse_cs - UVD command submission parser
1067 *
1068 * @parser: Command submission parser context
1069 * @ib_idx: Which indirect buffer to use
1070 *
1071 * Parse the command stream, patch in addresses as necessary.
1072 */
amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser * parser,uint32_t ib_idx)1073 int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser, uint32_t ib_idx)
1074 {
1075 struct amdgpu_uvd_cs_ctx ctx = {};
1076 unsigned buf_sizes[] = {
1077 [0x00000000] = 2048,
1078 [0x00000001] = 0xFFFFFFFF,
1079 [0x00000002] = 0xFFFFFFFF,
1080 [0x00000003] = 2048,
1081 [0x00000004] = 0xFFFFFFFF,
1082 };
1083 struct amdgpu_ib *ib = &parser->job->ibs[ib_idx];
1084 int r;
1085
1086 parser->job->vm = NULL;
1087 ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo);
1088
1089 if (ib->length_dw % 16) {
1090 DRM_ERROR("UVD IB length (%d) not 16 dwords aligned!\n",
1091 ib->length_dw);
1092 return -EINVAL;
1093 }
1094
1095 ctx.parser = parser;
1096 ctx.buf_sizes = buf_sizes;
1097 ctx.ib_idx = ib_idx;
1098
1099 /* first round only required on chips without UVD 64 bit address support */
1100 if (!parser->adev->uvd.address_64_bit) {
1101 /* first round, make sure the buffers are actually in the UVD segment */
1102 r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass1);
1103 if (r)
1104 return r;
1105 }
1106
1107 /* second round, patch buffer addresses into the command stream */
1108 r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass2);
1109 if (r)
1110 return r;
1111
1112 if (!ctx.has_msg_cmd) {
1113 DRM_ERROR("UVD-IBs need a msg command!\n");
1114 return -EINVAL;
1115 }
1116
1117 return 0;
1118 }
1119
amdgpu_uvd_send_msg(struct amdgpu_ring * ring,struct amdgpu_bo * bo,bool direct,struct dma_fence ** fence)1120 static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo,
1121 bool direct, struct dma_fence **fence)
1122 {
1123 struct amdgpu_device *adev = ring->adev;
1124 struct dma_fence *f = NULL;
1125 struct amdgpu_job *job;
1126 struct amdgpu_ib *ib;
1127 uint32_t data[4];
1128 uint64_t addr;
1129 long r;
1130 int i;
1131 unsigned offset_idx = 0;
1132 unsigned offset[3] = { UVD_BASE_SI, 0, 0 };
1133
1134 r = amdgpu_job_alloc_with_ib(adev, 64, direct ? AMDGPU_IB_POOL_DIRECT :
1135 AMDGPU_IB_POOL_DELAYED, &job);
1136 if (r)
1137 return r;
1138
1139 if (adev->asic_type >= CHIP_VEGA10) {
1140 offset_idx = 1 + ring->me;
1141 offset[1] = adev->reg_offset[UVD_HWIP][0][1];
1142 offset[2] = adev->reg_offset[UVD_HWIP][1][1];
1143 }
1144
1145 data[0] = PACKET0(offset[offset_idx] + UVD_GPCOM_VCPU_DATA0, 0);
1146 data[1] = PACKET0(offset[offset_idx] + UVD_GPCOM_VCPU_DATA1, 0);
1147 data[2] = PACKET0(offset[offset_idx] + UVD_GPCOM_VCPU_CMD, 0);
1148 data[3] = PACKET0(offset[offset_idx] + UVD_NO_OP, 0);
1149
1150 ib = &job->ibs[0];
1151 addr = amdgpu_bo_gpu_offset(bo);
1152 ib->ptr[0] = data[0];
1153 ib->ptr[1] = addr;
1154 ib->ptr[2] = data[1];
1155 ib->ptr[3] = addr >> 32;
1156 ib->ptr[4] = data[2];
1157 ib->ptr[5] = 0;
1158 for (i = 6; i < 16; i += 2) {
1159 ib->ptr[i] = data[3];
1160 ib->ptr[i+1] = 0;
1161 }
1162 ib->length_dw = 16;
1163
1164 if (direct) {
1165 r = dma_resv_wait_timeout(bo->tbo.base.resv, true, false,
1166 msecs_to_jiffies(10));
1167 if (r == 0)
1168 r = -ETIMEDOUT;
1169 if (r < 0)
1170 goto err_free;
1171
1172 r = amdgpu_job_submit_direct(job, ring, &f);
1173 if (r)
1174 goto err_free;
1175 } else {
1176 r = amdgpu_sync_resv(adev, &job->sync, bo->tbo.base.resv,
1177 AMDGPU_SYNC_ALWAYS,
1178 AMDGPU_FENCE_OWNER_UNDEFINED);
1179 if (r)
1180 goto err_free;
1181
1182 r = amdgpu_job_submit(job, &adev->uvd.entity,
1183 AMDGPU_FENCE_OWNER_UNDEFINED, &f);
1184 if (r)
1185 goto err_free;
1186 }
1187
1188 amdgpu_bo_reserve(bo, true);
1189 amdgpu_bo_fence(bo, f, false);
1190 amdgpu_bo_unreserve(bo);
1191
1192 if (fence)
1193 *fence = dma_fence_get(f);
1194 dma_fence_put(f);
1195
1196 return 0;
1197
1198 err_free:
1199 amdgpu_job_free(job);
1200 return r;
1201 }
1202
1203 /* multiple fence commands without any stream commands in between can
1204 crash the vcpu so just try to emmit a dummy create/destroy msg to
1205 avoid this */
amdgpu_uvd_get_create_msg(struct amdgpu_ring * ring,uint32_t handle,struct dma_fence ** fence)1206 int amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
1207 struct dma_fence **fence)
1208 {
1209 struct amdgpu_device *adev = ring->adev;
1210 struct amdgpu_bo *bo = adev->uvd.ib_bo;
1211 uint32_t *msg;
1212 int i;
1213
1214 msg = amdgpu_bo_kptr(bo);
1215 /* stitch together an UVD create msg */
1216 msg[0] = cpu_to_le32(0x00000de4);
1217 msg[1] = cpu_to_le32(0x00000000);
1218 msg[2] = cpu_to_le32(handle);
1219 msg[3] = cpu_to_le32(0x00000000);
1220 msg[4] = cpu_to_le32(0x00000000);
1221 msg[5] = cpu_to_le32(0x00000000);
1222 msg[6] = cpu_to_le32(0x00000000);
1223 msg[7] = cpu_to_le32(0x00000780);
1224 msg[8] = cpu_to_le32(0x00000440);
1225 msg[9] = cpu_to_le32(0x00000000);
1226 msg[10] = cpu_to_le32(0x01b37000);
1227 for (i = 11; i < 1024; ++i)
1228 msg[i] = cpu_to_le32(0x0);
1229
1230 return amdgpu_uvd_send_msg(ring, bo, true, fence);
1231
1232 }
1233
amdgpu_uvd_get_destroy_msg(struct amdgpu_ring * ring,uint32_t handle,bool direct,struct dma_fence ** fence)1234 int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
1235 bool direct, struct dma_fence **fence)
1236 {
1237 struct amdgpu_device *adev = ring->adev;
1238 struct amdgpu_bo *bo = NULL;
1239 uint32_t *msg;
1240 int r, i;
1241
1242 if (direct) {
1243 bo = adev->uvd.ib_bo;
1244 } else {
1245 r = amdgpu_uvd_create_msg_bo_helper(adev, 4096, &bo);
1246 if (r)
1247 return r;
1248 }
1249
1250 msg = amdgpu_bo_kptr(bo);
1251 /* stitch together an UVD destroy msg */
1252 msg[0] = cpu_to_le32(0x00000de4);
1253 msg[1] = cpu_to_le32(0x00000002);
1254 msg[2] = cpu_to_le32(handle);
1255 msg[3] = cpu_to_le32(0x00000000);
1256 for (i = 4; i < 1024; ++i)
1257 msg[i] = cpu_to_le32(0x0);
1258
1259 r = amdgpu_uvd_send_msg(ring, bo, direct, fence);
1260
1261 if (!direct)
1262 amdgpu_bo_free_kernel(&bo, NULL, (void **)&msg);
1263
1264 return r;
1265 }
1266
amdgpu_uvd_idle_work_handler(struct work_struct * work)1267 static void amdgpu_uvd_idle_work_handler(struct work_struct *work)
1268 {
1269 struct amdgpu_device *adev =
1270 container_of(work, struct amdgpu_device, uvd.idle_work.work);
1271 unsigned fences = 0, i, j;
1272
1273 for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {
1274 if (adev->uvd.harvest_config & (1 << i))
1275 continue;
1276 fences += amdgpu_fence_count_emitted(&adev->uvd.inst[i].ring);
1277 for (j = 0; j < adev->uvd.num_enc_rings; ++j) {
1278 fences += amdgpu_fence_count_emitted(&adev->uvd.inst[i].ring_enc[j]);
1279 }
1280 }
1281
1282 if (fences == 0) {
1283 if (adev->pm.dpm_enabled) {
1284 amdgpu_dpm_enable_uvd(adev, false);
1285 } else {
1286 amdgpu_asic_set_uvd_clocks(adev, 0, 0);
1287 /* shutdown the UVD block */
1288 amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1289 AMD_PG_STATE_GATE);
1290 amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1291 AMD_CG_STATE_GATE);
1292 }
1293 } else {
1294 schedule_delayed_work(&adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
1295 }
1296 }
1297
amdgpu_uvd_ring_begin_use(struct amdgpu_ring * ring)1298 void amdgpu_uvd_ring_begin_use(struct amdgpu_ring *ring)
1299 {
1300 struct amdgpu_device *adev = ring->adev;
1301 bool set_clocks;
1302
1303 if (amdgpu_sriov_vf(adev))
1304 return;
1305
1306 set_clocks = !cancel_delayed_work_sync(&adev->uvd.idle_work);
1307 if (set_clocks) {
1308 if (adev->pm.dpm_enabled) {
1309 amdgpu_dpm_enable_uvd(adev, true);
1310 } else {
1311 amdgpu_asic_set_uvd_clocks(adev, 53300, 40000);
1312 amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1313 AMD_CG_STATE_UNGATE);
1314 amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1315 AMD_PG_STATE_UNGATE);
1316 }
1317 }
1318 }
1319
amdgpu_uvd_ring_end_use(struct amdgpu_ring * ring)1320 void amdgpu_uvd_ring_end_use(struct amdgpu_ring *ring)
1321 {
1322 if (!amdgpu_sriov_vf(ring->adev))
1323 schedule_delayed_work(&ring->adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
1324 }
1325
1326 /**
1327 * amdgpu_uvd_ring_test_ib - test ib execution
1328 *
1329 * @ring: amdgpu_ring pointer
1330 * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT
1331 *
1332 * Test if we can successfully execute an IB
1333 */
amdgpu_uvd_ring_test_ib(struct amdgpu_ring * ring,long timeout)1334 int amdgpu_uvd_ring_test_ib(struct amdgpu_ring *ring, long timeout)
1335 {
1336 struct dma_fence *fence;
1337 long r;
1338
1339 r = amdgpu_uvd_get_create_msg(ring, 1, &fence);
1340 if (r)
1341 goto error;
1342
1343 r = dma_fence_wait_timeout(fence, false, timeout);
1344 dma_fence_put(fence);
1345 if (r == 0)
1346 r = -ETIMEDOUT;
1347 if (r < 0)
1348 goto error;
1349
1350 r = amdgpu_uvd_get_destroy_msg(ring, 1, true, &fence);
1351 if (r)
1352 goto error;
1353
1354 r = dma_fence_wait_timeout(fence, false, timeout);
1355 if (r == 0)
1356 r = -ETIMEDOUT;
1357 else if (r > 0)
1358 r = 0;
1359
1360 dma_fence_put(fence);
1361
1362 error:
1363 return r;
1364 }
1365
1366 /**
1367 * amdgpu_uvd_used_handles - returns used UVD handles
1368 *
1369 * @adev: amdgpu_device pointer
1370 *
1371 * Returns the number of UVD handles in use
1372 */
amdgpu_uvd_used_handles(struct amdgpu_device * adev)1373 uint32_t amdgpu_uvd_used_handles(struct amdgpu_device *adev)
1374 {
1375 unsigned i;
1376 uint32_t used_handles = 0;
1377
1378 for (i = 0; i < adev->uvd.max_handles; ++i) {
1379 /*
1380 * Handles can be freed in any order, and not
1381 * necessarily linear. So we need to count
1382 * all non-zero handles.
1383 */
1384 if (atomic_read(&adev->uvd.handles[i]))
1385 used_handles++;
1386 }
1387
1388 return used_handles;
1389 }
1390