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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 "amdgpu_cs.h"
41#include "cikd.h"
42#include "uvd/uvd_4_2_d.h"
43
44#include "amdgpu_ras.h"
45
46/* 1 second timeout */
47#define UVD_IDLE_TIMEOUT msecs_to_jiffies(1000)
48
49/* Firmware versions for VI */
50#define FW_1_65_10 ((1 << 24) | (65 << 16) | (10 << 8))
51#define FW_1_87_11 ((1 << 24) | (87 << 16) | (11 << 8))
52#define FW_1_87_12 ((1 << 24) | (87 << 16) | (12 << 8))
53#define FW_1_37_15 ((1 << 24) | (37 << 16) | (15 << 8))
54
55/* Polaris10/11 firmware version */
56#define FW_1_66_16 ((1 << 24) | (66 << 16) | (16 << 8))
57
58/* Firmware Names */
59#ifdef CONFIG_DRM_AMDGPU_SI
60#define FIRMWARE_TAHITI "amdgpu/tahiti_uvd.bin"
61#define FIRMWARE_VERDE "amdgpu/verde_uvd.bin"
62#define FIRMWARE_PITCAIRN "amdgpu/pitcairn_uvd.bin"
63#define FIRMWARE_OLAND "amdgpu/oland_uvd.bin"
64#endif
65#ifdef CONFIG_DRM_AMDGPU_CIK
66#define FIRMWARE_BONAIRE "amdgpu/bonaire_uvd.bin"
67#define FIRMWARE_KABINI "amdgpu/kabini_uvd.bin"
68#define FIRMWARE_KAVERI "amdgpu/kaveri_uvd.bin"
69#define FIRMWARE_HAWAII "amdgpu/hawaii_uvd.bin"
70#define FIRMWARE_MULLINS "amdgpu/mullins_uvd.bin"
71#endif
72#define FIRMWARE_TONGA "amdgpu/tonga_uvd.bin"
73#define FIRMWARE_CARRIZO "amdgpu/carrizo_uvd.bin"
74#define FIRMWARE_FIJI "amdgpu/fiji_uvd.bin"
75#define FIRMWARE_STONEY "amdgpu/stoney_uvd.bin"
76#define FIRMWARE_POLARIS10 "amdgpu/polaris10_uvd.bin"
77#define FIRMWARE_POLARIS11 "amdgpu/polaris11_uvd.bin"
78#define FIRMWARE_POLARIS12 "amdgpu/polaris12_uvd.bin"
79#define FIRMWARE_VEGAM "amdgpu/vegam_uvd.bin"
80
81#define FIRMWARE_VEGA10 "amdgpu/vega10_uvd.bin"
82#define FIRMWARE_VEGA12 "amdgpu/vega12_uvd.bin"
83#define FIRMWARE_VEGA20 "amdgpu/vega20_uvd.bin"
84
85/* These are common relative offsets for all asics, from uvd_7_0_offset.h, */
86#define UVD_GPCOM_VCPU_CMD 0x03c3
87#define UVD_GPCOM_VCPU_DATA0 0x03c4
88#define UVD_GPCOM_VCPU_DATA1 0x03c5
89#define UVD_NO_OP 0x03ff
90#define UVD_BASE_SI 0x3800
91
92/*
93 * amdgpu_uvd_cs_ctx - Command submission parser context
94 *
95 * Used for emulating virtual memory support on UVD 4.2.
96 */
97struct amdgpu_uvd_cs_ctx {
98 struct amdgpu_cs_parser *parser;
99 unsigned int reg, count;
100 unsigned int data0, data1;
101 unsigned int idx;
102 struct amdgpu_ib *ib;
103
104 /* does the IB has a msg command */
105 bool has_msg_cmd;
106
107 /* minimum buffer sizes */
108 unsigned int *buf_sizes;
109};
110
111#ifdef CONFIG_DRM_AMDGPU_SI
112MODULE_FIRMWARE(FIRMWARE_TAHITI);
113MODULE_FIRMWARE(FIRMWARE_VERDE);
114MODULE_FIRMWARE(FIRMWARE_PITCAIRN);
115MODULE_FIRMWARE(FIRMWARE_OLAND);
116#endif
117#ifdef CONFIG_DRM_AMDGPU_CIK
118MODULE_FIRMWARE(FIRMWARE_BONAIRE);
119MODULE_FIRMWARE(FIRMWARE_KABINI);
120MODULE_FIRMWARE(FIRMWARE_KAVERI);
121MODULE_FIRMWARE(FIRMWARE_HAWAII);
122MODULE_FIRMWARE(FIRMWARE_MULLINS);
123#endif
124MODULE_FIRMWARE(FIRMWARE_TONGA);
125MODULE_FIRMWARE(FIRMWARE_CARRIZO);
126MODULE_FIRMWARE(FIRMWARE_FIJI);
127MODULE_FIRMWARE(FIRMWARE_STONEY);
128MODULE_FIRMWARE(FIRMWARE_POLARIS10);
129MODULE_FIRMWARE(FIRMWARE_POLARIS11);
130MODULE_FIRMWARE(FIRMWARE_POLARIS12);
131MODULE_FIRMWARE(FIRMWARE_VEGAM);
132
133MODULE_FIRMWARE(FIRMWARE_VEGA10);
134MODULE_FIRMWARE(FIRMWARE_VEGA12);
135MODULE_FIRMWARE(FIRMWARE_VEGA20);
136
137static void amdgpu_uvd_idle_work_handler(struct work_struct *work);
138static void amdgpu_uvd_force_into_uvd_segment(struct amdgpu_bo *abo);
139
140static int amdgpu_uvd_create_msg_bo_helper(struct amdgpu_device *adev,
141 uint32_t size,
142 struct amdgpu_bo **bo_ptr)
143{
144 struct ttm_operation_ctx ctx = { true, false };
145 struct amdgpu_bo *bo = NULL;
146 void *addr;
147 int r;
148
149 r = amdgpu_bo_create_reserved(adev, size, PAGE_SIZE,
150 AMDGPU_GEM_DOMAIN_GTT,
151 &bo, NULL, &addr);
152 if (r)
153 return r;
154
155 if (adev->uvd.address_64_bit)
156 goto succ;
157
158 amdgpu_bo_kunmap(bo);
159 amdgpu_bo_unpin(bo);
160 amdgpu_bo_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_VRAM);
161 amdgpu_uvd_force_into_uvd_segment(bo);
162 r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
163 if (r)
164 goto err;
165 r = amdgpu_bo_pin(bo, AMDGPU_GEM_DOMAIN_VRAM);
166 if (r)
167 goto err_pin;
168 r = amdgpu_bo_kmap(bo, &addr);
169 if (r)
170 goto err_kmap;
171succ:
172 amdgpu_bo_unreserve(bo);
173 *bo_ptr = bo;
174 return 0;
175err_kmap:
176 amdgpu_bo_unpin(bo);
177err_pin:
178err:
179 amdgpu_bo_unreserve(bo);
180 amdgpu_bo_unref(&bo);
181 return r;
182}
183
184int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
185{
186 unsigned long bo_size;
187 const char *fw_name;
188 const struct common_firmware_header *hdr;
189 unsigned int family_id;
190 int i, j, r;
191
192 INIT_DELAYED_WORK(&adev->uvd.idle_work, amdgpu_uvd_idle_work_handler);
193
194 switch (adev->asic_type) {
195#ifdef CONFIG_DRM_AMDGPU_SI
196 case CHIP_TAHITI:
197 fw_name = FIRMWARE_TAHITI;
198 break;
199 case CHIP_VERDE:
200 fw_name = FIRMWARE_VERDE;
201 break;
202 case CHIP_PITCAIRN:
203 fw_name = FIRMWARE_PITCAIRN;
204 break;
205 case CHIP_OLAND:
206 fw_name = FIRMWARE_OLAND;
207 break;
208#endif
209#ifdef CONFIG_DRM_AMDGPU_CIK
210 case CHIP_BONAIRE:
211 fw_name = FIRMWARE_BONAIRE;
212 break;
213 case CHIP_KABINI:
214 fw_name = FIRMWARE_KABINI;
215 break;
216 case CHIP_KAVERI:
217 fw_name = FIRMWARE_KAVERI;
218 break;
219 case CHIP_HAWAII:
220 fw_name = FIRMWARE_HAWAII;
221 break;
222 case CHIP_MULLINS:
223 fw_name = FIRMWARE_MULLINS;
224 break;
225#endif
226 case CHIP_TONGA:
227 fw_name = FIRMWARE_TONGA;
228 break;
229 case CHIP_FIJI:
230 fw_name = FIRMWARE_FIJI;
231 break;
232 case CHIP_CARRIZO:
233 fw_name = FIRMWARE_CARRIZO;
234 break;
235 case CHIP_STONEY:
236 fw_name = FIRMWARE_STONEY;
237 break;
238 case CHIP_POLARIS10:
239 fw_name = FIRMWARE_POLARIS10;
240 break;
241 case CHIP_POLARIS11:
242 fw_name = FIRMWARE_POLARIS11;
243 break;
244 case CHIP_POLARIS12:
245 fw_name = FIRMWARE_POLARIS12;
246 break;
247 case CHIP_VEGA10:
248 fw_name = FIRMWARE_VEGA10;
249 break;
250 case CHIP_VEGA12:
251 fw_name = FIRMWARE_VEGA12;
252 break;
253 case CHIP_VEGAM:
254 fw_name = FIRMWARE_VEGAM;
255 break;
256 case CHIP_VEGA20:
257 fw_name = FIRMWARE_VEGA20;
258 break;
259 default:
260 return -EINVAL;
261 }
262
263 r = amdgpu_ucode_request(adev, &adev->uvd.fw, "%s", fw_name);
264 if (r) {
265 dev_err(adev->dev, "amdgpu_uvd: Can't validate firmware \"%s\"\n",
266 fw_name);
267 amdgpu_ucode_release(&adev->uvd.fw);
268 return r;
269 }
270
271 /* Set the default UVD handles that the firmware can handle */
272 adev->uvd.max_handles = AMDGPU_DEFAULT_UVD_HANDLES;
273
274 hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
275 family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
276
277 if (adev->asic_type < CHIP_VEGA20) {
278 unsigned int version_major, version_minor;
279
280 version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
281 version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
282 DRM_INFO("Found UVD firmware Version: %u.%u Family ID: %u\n",
283 version_major, version_minor, family_id);
284
285 /*
286 * Limit the number of UVD handles depending on microcode major
287 * and minor versions. The firmware version which has 40 UVD
288 * instances support is 1.80. So all subsequent versions should
289 * also have the same support.
290 */
291 if ((version_major > 0x01) ||
292 ((version_major == 0x01) && (version_minor >= 0x50)))
293 adev->uvd.max_handles = AMDGPU_MAX_UVD_HANDLES;
294
295 adev->uvd.fw_version = ((version_major << 24) | (version_minor << 16) |
296 (family_id << 8));
297
298 if ((adev->asic_type == CHIP_POLARIS10 ||
299 adev->asic_type == CHIP_POLARIS11) &&
300 (adev->uvd.fw_version < FW_1_66_16))
301 DRM_ERROR("POLARIS10/11 UVD firmware version %u.%u is too old.\n",
302 version_major, version_minor);
303 } else {
304 unsigned int enc_major, enc_minor, dec_minor;
305
306 dec_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
307 enc_minor = (le32_to_cpu(hdr->ucode_version) >> 24) & 0x3f;
308 enc_major = (le32_to_cpu(hdr->ucode_version) >> 30) & 0x3;
309 DRM_INFO("Found UVD firmware ENC: %u.%u DEC: .%u Family ID: %u\n",
310 enc_major, enc_minor, dec_minor, family_id);
311
312 adev->uvd.max_handles = AMDGPU_MAX_UVD_HANDLES;
313
314 adev->uvd.fw_version = le32_to_cpu(hdr->ucode_version);
315 }
316
317 bo_size = AMDGPU_UVD_STACK_SIZE + AMDGPU_UVD_HEAP_SIZE
318 + AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles;
319 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
320 bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
321
322 for (j = 0; j < adev->uvd.num_uvd_inst; j++) {
323 if (adev->uvd.harvest_config & (1 << j))
324 continue;
325 r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
326 AMDGPU_GEM_DOMAIN_VRAM |
327 AMDGPU_GEM_DOMAIN_GTT,
328 &adev->uvd.inst[j].vcpu_bo,
329 &adev->uvd.inst[j].gpu_addr,
330 &adev->uvd.inst[j].cpu_addr);
331 if (r) {
332 dev_err(adev->dev, "(%d) failed to allocate UVD bo\n", r);
333 return r;
334 }
335 }
336
337 for (i = 0; i < adev->uvd.max_handles; ++i) {
338 atomic_set(&adev->uvd.handles[i], 0);
339 adev->uvd.filp[i] = NULL;
340 }
341
342 /* from uvd v5.0 HW addressing capacity increased to 64 bits */
343 if (!amdgpu_device_ip_block_version_cmp(adev, AMD_IP_BLOCK_TYPE_UVD, 5, 0))
344 adev->uvd.address_64_bit = true;
345
346 r = amdgpu_uvd_create_msg_bo_helper(adev, 128 << 10, &adev->uvd.ib_bo);
347 if (r)
348 return r;
349
350 switch (adev->asic_type) {
351 case CHIP_TONGA:
352 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_65_10;
353 break;
354 case CHIP_CARRIZO:
355 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_87_11;
356 break;
357 case CHIP_FIJI:
358 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_87_12;
359 break;
360 case CHIP_STONEY:
361 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_37_15;
362 break;
363 default:
364 adev->uvd.use_ctx_buf = adev->asic_type >= CHIP_POLARIS10;
365 }
366
367 return 0;
368}
369
370int amdgpu_uvd_sw_fini(struct amdgpu_device *adev)
371{
372 void *addr = amdgpu_bo_kptr(adev->uvd.ib_bo);
373 int i, j;
374
375 drm_sched_entity_destroy(&adev->uvd.entity);
376
377 for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
378 if (adev->uvd.harvest_config & (1 << j))
379 continue;
380 kvfree(adev->uvd.inst[j].saved_bo);
381
382 amdgpu_bo_free_kernel(&adev->uvd.inst[j].vcpu_bo,
383 &adev->uvd.inst[j].gpu_addr,
384 (void **)&adev->uvd.inst[j].cpu_addr);
385
386 amdgpu_ring_fini(&adev->uvd.inst[j].ring);
387
388 for (i = 0; i < AMDGPU_MAX_UVD_ENC_RINGS; ++i)
389 amdgpu_ring_fini(&adev->uvd.inst[j].ring_enc[i]);
390 }
391 amdgpu_bo_free_kernel(&adev->uvd.ib_bo, NULL, &addr);
392 amdgpu_ucode_release(&adev->uvd.fw);
393
394 return 0;
395}
396
397/**
398 * amdgpu_uvd_entity_init - init entity
399 *
400 * @adev: amdgpu_device pointer
401 * @ring: amdgpu_ring pointer to check
402 *
403 * Initialize the entity used for handle management in the kernel driver.
404 */
405int amdgpu_uvd_entity_init(struct amdgpu_device *adev, struct amdgpu_ring *ring)
406{
407 if (ring == &adev->uvd.inst[0].ring) {
408 struct drm_gpu_scheduler *sched = &ring->sched;
409 int r;
410
411 r = drm_sched_entity_init(&adev->uvd.entity, DRM_SCHED_PRIORITY_NORMAL,
412 &sched, 1, NULL);
413 if (r) {
414 DRM_ERROR("Failed setting up UVD kernel entity.\n");
415 return r;
416 }
417 }
418
419 return 0;
420}
421
422int amdgpu_uvd_prepare_suspend(struct amdgpu_device *adev)
423{
424 unsigned int size;
425 void *ptr;
426 int i, j, idx;
427
428 cancel_delayed_work_sync(&adev->uvd.idle_work);
429
430 /* only valid for physical mode */
431 if (adev->asic_type < CHIP_POLARIS10) {
432 for (i = 0; i < adev->uvd.max_handles; ++i)
433 if (atomic_read(&adev->uvd.handles[i]))
434 break;
435
436 if (i == adev->uvd.max_handles)
437 return 0;
438 }
439
440 for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
441 if (adev->uvd.harvest_config & (1 << j))
442 continue;
443 if (adev->uvd.inst[j].vcpu_bo == NULL)
444 continue;
445
446 size = amdgpu_bo_size(adev->uvd.inst[j].vcpu_bo);
447 ptr = adev->uvd.inst[j].cpu_addr;
448
449 adev->uvd.inst[j].saved_bo = kvmalloc(size, GFP_KERNEL);
450 if (!adev->uvd.inst[j].saved_bo)
451 return -ENOMEM;
452
453 if (drm_dev_enter(adev_to_drm(adev), &idx)) {
454 /* re-write 0 since err_event_athub will corrupt VCPU buffer */
455 if (amdgpu_ras_intr_triggered())
456 memset(adev->uvd.inst[j].saved_bo, 0, size);
457 else
458 memcpy_fromio(adev->uvd.inst[j].saved_bo, ptr, size);
459
460 drm_dev_exit(idx);
461 }
462 }
463
464 return 0;
465}
466
467int amdgpu_uvd_suspend(struct amdgpu_device *adev)
468{
469 if (amdgpu_ras_intr_triggered())
470 DRM_WARN("UVD VCPU state may lost due to RAS ERREVENT_ATHUB_INTERRUPT\n");
471
472 return 0;
473}
474
475int amdgpu_uvd_resume(struct amdgpu_device *adev)
476{
477 unsigned int size;
478 void *ptr;
479 int i, idx;
480
481 for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
482 if (adev->uvd.harvest_config & (1 << i))
483 continue;
484 if (adev->uvd.inst[i].vcpu_bo == NULL)
485 return -EINVAL;
486
487 size = amdgpu_bo_size(adev->uvd.inst[i].vcpu_bo);
488 ptr = adev->uvd.inst[i].cpu_addr;
489
490 if (adev->uvd.inst[i].saved_bo != NULL) {
491 if (drm_dev_enter(adev_to_drm(adev), &idx)) {
492 memcpy_toio(ptr, adev->uvd.inst[i].saved_bo, size);
493 drm_dev_exit(idx);
494 }
495 kvfree(adev->uvd.inst[i].saved_bo);
496 adev->uvd.inst[i].saved_bo = NULL;
497 } else {
498 const struct common_firmware_header *hdr;
499 unsigned int offset;
500
501 hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
502 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
503 offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
504 if (drm_dev_enter(adev_to_drm(adev), &idx)) {
505 memcpy_toio(adev->uvd.inst[i].cpu_addr, adev->uvd.fw->data + offset,
506 le32_to_cpu(hdr->ucode_size_bytes));
507 drm_dev_exit(idx);
508 }
509 size -= le32_to_cpu(hdr->ucode_size_bytes);
510 ptr += le32_to_cpu(hdr->ucode_size_bytes);
511 }
512 memset_io(ptr, 0, size);
513 /* to restore uvd fence seq */
514 amdgpu_fence_driver_force_completion(&adev->uvd.inst[i].ring);
515 }
516 }
517 return 0;
518}
519
520void amdgpu_uvd_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
521{
522 struct amdgpu_ring *ring = &adev->uvd.inst[0].ring;
523 int i, r;
524
525 for (i = 0; i < adev->uvd.max_handles; ++i) {
526 uint32_t handle = atomic_read(&adev->uvd.handles[i]);
527
528 if (handle != 0 && adev->uvd.filp[i] == filp) {
529 struct dma_fence *fence;
530
531 r = amdgpu_uvd_get_destroy_msg(ring, handle, false,
532 &fence);
533 if (r) {
534 DRM_ERROR("Error destroying UVD %d!\n", r);
535 continue;
536 }
537
538 dma_fence_wait(fence, false);
539 dma_fence_put(fence);
540
541 adev->uvd.filp[i] = NULL;
542 atomic_set(&adev->uvd.handles[i], 0);
543 }
544 }
545}
546
547static void amdgpu_uvd_force_into_uvd_segment(struct amdgpu_bo *abo)
548{
549 int i;
550
551 for (i = 0; i < abo->placement.num_placement; ++i) {
552 abo->placements[i].fpfn = 0 >> PAGE_SHIFT;
553 abo->placements[i].lpfn = (256 * 1024 * 1024) >> PAGE_SHIFT;
554 if (abo->placements[i].mem_type == TTM_PL_VRAM)
555 abo->placements[i].flags |= TTM_PL_FLAG_CONTIGUOUS;
556 }
557}
558
559static u64 amdgpu_uvd_get_addr_from_ctx(struct amdgpu_uvd_cs_ctx *ctx)
560{
561 uint32_t lo, hi;
562 uint64_t addr;
563
564 lo = amdgpu_ib_get_value(ctx->ib, ctx->data0);
565 hi = amdgpu_ib_get_value(ctx->ib, ctx->data1);
566 addr = ((uint64_t)lo) | (((uint64_t)hi) << 32);
567
568 return addr;
569}
570
571/**
572 * amdgpu_uvd_cs_pass1 - first parsing round
573 *
574 * @ctx: UVD parser context
575 *
576 * Make sure UVD message and feedback buffers are in VRAM and
577 * nobody is violating an 256MB boundary.
578 */
579static int amdgpu_uvd_cs_pass1(struct amdgpu_uvd_cs_ctx *ctx)
580{
581 struct ttm_operation_ctx tctx = { false, false };
582 struct amdgpu_bo_va_mapping *mapping;
583 struct amdgpu_bo *bo;
584 uint32_t cmd;
585 uint64_t addr = amdgpu_uvd_get_addr_from_ctx(ctx);
586 int r = 0;
587
588 r = amdgpu_cs_find_mapping(ctx->parser, addr, &bo, &mapping);
589 if (r) {
590 DRM_ERROR("Can't find BO for addr 0x%08llx\n", addr);
591 return r;
592 }
593
594 if (!ctx->parser->adev->uvd.address_64_bit) {
595 /* check if it's a message or feedback command */
596 cmd = amdgpu_ib_get_value(ctx->ib, ctx->idx) >> 1;
597 if (cmd == 0x0 || cmd == 0x3) {
598 /* yes, force it into VRAM */
599 uint32_t domain = AMDGPU_GEM_DOMAIN_VRAM;
600
601 amdgpu_bo_placement_from_domain(bo, domain);
602 }
603 amdgpu_uvd_force_into_uvd_segment(bo);
604
605 r = ttm_bo_validate(&bo->tbo, &bo->placement, &tctx);
606 }
607
608 return r;
609}
610
611/**
612 * amdgpu_uvd_cs_msg_decode - handle UVD decode message
613 *
614 * @adev: amdgpu_device pointer
615 * @msg: pointer to message structure
616 * @buf_sizes: placeholder to put the different buffer lengths
617 *
618 * Peek into the decode message and calculate the necessary buffer sizes.
619 */
620static int amdgpu_uvd_cs_msg_decode(struct amdgpu_device *adev, uint32_t *msg,
621 unsigned int buf_sizes[])
622{
623 unsigned int stream_type = msg[4];
624 unsigned int width = msg[6];
625 unsigned int height = msg[7];
626 unsigned int dpb_size = msg[9];
627 unsigned int pitch = msg[28];
628 unsigned int level = msg[57];
629
630 unsigned int width_in_mb = width / 16;
631 unsigned int height_in_mb = ALIGN(height / 16, 2);
632 unsigned int fs_in_mb = width_in_mb * height_in_mb;
633
634 unsigned int image_size, tmp, min_dpb_size, num_dpb_buffer;
635 unsigned int min_ctx_size = ~0;
636
637 image_size = width * height;
638 image_size += image_size / 2;
639 image_size = ALIGN(image_size, 1024);
640
641 switch (stream_type) {
642 case 0: /* H264 */
643 switch (level) {
644 case 30:
645 num_dpb_buffer = 8100 / fs_in_mb;
646 break;
647 case 31:
648 num_dpb_buffer = 18000 / fs_in_mb;
649 break;
650 case 32:
651 num_dpb_buffer = 20480 / fs_in_mb;
652 break;
653 case 41:
654 num_dpb_buffer = 32768 / fs_in_mb;
655 break;
656 case 42:
657 num_dpb_buffer = 34816 / fs_in_mb;
658 break;
659 case 50:
660 num_dpb_buffer = 110400 / fs_in_mb;
661 break;
662 case 51:
663 num_dpb_buffer = 184320 / fs_in_mb;
664 break;
665 default:
666 num_dpb_buffer = 184320 / fs_in_mb;
667 break;
668 }
669 num_dpb_buffer++;
670 if (num_dpb_buffer > 17)
671 num_dpb_buffer = 17;
672
673 /* reference picture buffer */
674 min_dpb_size = image_size * num_dpb_buffer;
675
676 /* macroblock context buffer */
677 min_dpb_size += width_in_mb * height_in_mb * num_dpb_buffer * 192;
678
679 /* IT surface buffer */
680 min_dpb_size += width_in_mb * height_in_mb * 32;
681 break;
682
683 case 1: /* VC1 */
684
685 /* reference picture buffer */
686 min_dpb_size = image_size * 3;
687
688 /* CONTEXT_BUFFER */
689 min_dpb_size += width_in_mb * height_in_mb * 128;
690
691 /* IT surface buffer */
692 min_dpb_size += width_in_mb * 64;
693
694 /* DB surface buffer */
695 min_dpb_size += width_in_mb * 128;
696
697 /* BP */
698 tmp = max(width_in_mb, height_in_mb);
699 min_dpb_size += ALIGN(tmp * 7 * 16, 64);
700 break;
701
702 case 3: /* MPEG2 */
703
704 /* reference picture buffer */
705 min_dpb_size = image_size * 3;
706 break;
707
708 case 4: /* MPEG4 */
709
710 /* reference picture buffer */
711 min_dpb_size = image_size * 3;
712
713 /* CM */
714 min_dpb_size += width_in_mb * height_in_mb * 64;
715
716 /* IT surface buffer */
717 min_dpb_size += ALIGN(width_in_mb * height_in_mb * 32, 64);
718 break;
719
720 case 7: /* H264 Perf */
721 switch (level) {
722 case 30:
723 num_dpb_buffer = 8100 / fs_in_mb;
724 break;
725 case 31:
726 num_dpb_buffer = 18000 / fs_in_mb;
727 break;
728 case 32:
729 num_dpb_buffer = 20480 / fs_in_mb;
730 break;
731 case 41:
732 num_dpb_buffer = 32768 / fs_in_mb;
733 break;
734 case 42:
735 num_dpb_buffer = 34816 / fs_in_mb;
736 break;
737 case 50:
738 num_dpb_buffer = 110400 / fs_in_mb;
739 break;
740 case 51:
741 num_dpb_buffer = 184320 / fs_in_mb;
742 break;
743 default:
744 num_dpb_buffer = 184320 / fs_in_mb;
745 break;
746 }
747 num_dpb_buffer++;
748 if (num_dpb_buffer > 17)
749 num_dpb_buffer = 17;
750
751 /* reference picture buffer */
752 min_dpb_size = image_size * num_dpb_buffer;
753
754 if (!adev->uvd.use_ctx_buf) {
755 /* macroblock context buffer */
756 min_dpb_size +=
757 width_in_mb * height_in_mb * num_dpb_buffer * 192;
758
759 /* IT surface buffer */
760 min_dpb_size += width_in_mb * height_in_mb * 32;
761 } else {
762 /* macroblock context buffer */
763 min_ctx_size =
764 width_in_mb * height_in_mb * num_dpb_buffer * 192;
765 }
766 break;
767
768 case 8: /* MJPEG */
769 min_dpb_size = 0;
770 break;
771
772 case 16: /* H265 */
773 image_size = (ALIGN(width, 16) * ALIGN(height, 16) * 3) / 2;
774 image_size = ALIGN(image_size, 256);
775
776 num_dpb_buffer = (le32_to_cpu(msg[59]) & 0xff) + 2;
777 min_dpb_size = image_size * num_dpb_buffer;
778 min_ctx_size = ((width + 255) / 16) * ((height + 255) / 16)
779 * 16 * num_dpb_buffer + 52 * 1024;
780 break;
781
782 default:
783 DRM_ERROR("UVD codec not handled %d!\n", stream_type);
784 return -EINVAL;
785 }
786
787 if (width > pitch) {
788 DRM_ERROR("Invalid UVD decoding target pitch!\n");
789 return -EINVAL;
790 }
791
792 if (dpb_size < min_dpb_size) {
793 DRM_ERROR("Invalid dpb_size in UVD message (%d / %d)!\n",
794 dpb_size, min_dpb_size);
795 return -EINVAL;
796 }
797
798 buf_sizes[0x1] = dpb_size;
799 buf_sizes[0x2] = image_size;
800 buf_sizes[0x4] = min_ctx_size;
801 /* store image width to adjust nb memory pstate */
802 adev->uvd.decode_image_width = width;
803 return 0;
804}
805
806/**
807 * amdgpu_uvd_cs_msg - handle UVD message
808 *
809 * @ctx: UVD parser context
810 * @bo: buffer object containing the message
811 * @offset: offset into the buffer object
812 *
813 * Peek into the UVD message and extract the session id.
814 * Make sure that we don't open up to many sessions.
815 */
816static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
817 struct amdgpu_bo *bo, unsigned int offset)
818{
819 struct amdgpu_device *adev = ctx->parser->adev;
820 int32_t *msg, msg_type, handle;
821 void *ptr;
822 long r;
823 int i;
824
825 if (offset & 0x3F) {
826 DRM_ERROR("UVD messages must be 64 byte aligned!\n");
827 return -EINVAL;
828 }
829
830 r = amdgpu_bo_kmap(bo, &ptr);
831 if (r) {
832 DRM_ERROR("Failed mapping the UVD) message (%ld)!\n", r);
833 return r;
834 }
835
836 msg = ptr + offset;
837
838 msg_type = msg[1];
839 handle = msg[2];
840
841 if (handle == 0) {
842 amdgpu_bo_kunmap(bo);
843 DRM_ERROR("Invalid UVD handle!\n");
844 return -EINVAL;
845 }
846
847 switch (msg_type) {
848 case 0:
849 /* it's a create msg, calc image size (width * height) */
850 amdgpu_bo_kunmap(bo);
851
852 /* try to alloc a new handle */
853 for (i = 0; i < adev->uvd.max_handles; ++i) {
854 if (atomic_read(&adev->uvd.handles[i]) == handle) {
855 DRM_ERROR(")Handle 0x%x already in use!\n",
856 handle);
857 return -EINVAL;
858 }
859
860 if (!atomic_cmpxchg(&adev->uvd.handles[i], 0, handle)) {
861 adev->uvd.filp[i] = ctx->parser->filp;
862 return 0;
863 }
864 }
865
866 DRM_ERROR("No more free UVD handles!\n");
867 return -ENOSPC;
868
869 case 1:
870 /* it's a decode msg, calc buffer sizes */
871 r = amdgpu_uvd_cs_msg_decode(adev, msg, ctx->buf_sizes);
872 amdgpu_bo_kunmap(bo);
873 if (r)
874 return r;
875
876 /* validate the handle */
877 for (i = 0; i < adev->uvd.max_handles; ++i) {
878 if (atomic_read(&adev->uvd.handles[i]) == handle) {
879 if (adev->uvd.filp[i] != ctx->parser->filp) {
880 DRM_ERROR("UVD handle collision detected!\n");
881 return -EINVAL;
882 }
883 return 0;
884 }
885 }
886
887 DRM_ERROR("Invalid UVD handle 0x%x!\n", handle);
888 return -ENOENT;
889
890 case 2:
891 /* it's a destroy msg, free the handle */
892 for (i = 0; i < adev->uvd.max_handles; ++i)
893 atomic_cmpxchg(&adev->uvd.handles[i], handle, 0);
894 amdgpu_bo_kunmap(bo);
895 return 0;
896
897 default:
898 DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
899 }
900
901 amdgpu_bo_kunmap(bo);
902 return -EINVAL;
903}
904
905/**
906 * amdgpu_uvd_cs_pass2 - second parsing round
907 *
908 * @ctx: UVD parser context
909 *
910 * Patch buffer addresses, make sure buffer sizes are correct.
911 */
912static int amdgpu_uvd_cs_pass2(struct amdgpu_uvd_cs_ctx *ctx)
913{
914 struct amdgpu_bo_va_mapping *mapping;
915 struct amdgpu_bo *bo;
916 uint32_t cmd;
917 uint64_t start, end;
918 uint64_t addr = amdgpu_uvd_get_addr_from_ctx(ctx);
919 int r;
920
921 r = amdgpu_cs_find_mapping(ctx->parser, addr, &bo, &mapping);
922 if (r) {
923 DRM_ERROR("Can't find BO for addr 0x%08llx\n", addr);
924 return r;
925 }
926
927 start = amdgpu_bo_gpu_offset(bo);
928
929 end = (mapping->last + 1 - mapping->start);
930 end = end * AMDGPU_GPU_PAGE_SIZE + start;
931
932 addr -= mapping->start * AMDGPU_GPU_PAGE_SIZE;
933 start += addr;
934
935 amdgpu_ib_set_value(ctx->ib, ctx->data0, lower_32_bits(start));
936 amdgpu_ib_set_value(ctx->ib, ctx->data1, upper_32_bits(start));
937
938 cmd = amdgpu_ib_get_value(ctx->ib, ctx->idx) >> 1;
939 if (cmd < 0x4) {
940 if ((end - start) < ctx->buf_sizes[cmd]) {
941 DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
942 (unsigned int)(end - start),
943 ctx->buf_sizes[cmd]);
944 return -EINVAL;
945 }
946
947 } else if (cmd == 0x206) {
948 if ((end - start) < ctx->buf_sizes[4]) {
949 DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
950 (unsigned int)(end - start),
951 ctx->buf_sizes[4]);
952 return -EINVAL;
953 }
954 } else if ((cmd != 0x100) && (cmd != 0x204)) {
955 DRM_ERROR("invalid UVD command %X!\n", cmd);
956 return -EINVAL;
957 }
958
959 if (!ctx->parser->adev->uvd.address_64_bit) {
960 if ((start >> 28) != ((end - 1) >> 28)) {
961 DRM_ERROR("reloc %llx-%llx crossing 256MB boundary!\n",
962 start, end);
963 return -EINVAL;
964 }
965
966 if ((cmd == 0 || cmd == 0x3) &&
967 (start >> 28) != (ctx->parser->adev->uvd.inst->gpu_addr >> 28)) {
968 DRM_ERROR("msg/fb buffer %llx-%llx out of 256MB segment!\n",
969 start, end);
970 return -EINVAL;
971 }
972 }
973
974 if (cmd == 0) {
975 ctx->has_msg_cmd = true;
976 r = amdgpu_uvd_cs_msg(ctx, bo, addr);
977 if (r)
978 return r;
979 } else if (!ctx->has_msg_cmd) {
980 DRM_ERROR("Message needed before other commands are send!\n");
981 return -EINVAL;
982 }
983
984 return 0;
985}
986
987/**
988 * amdgpu_uvd_cs_reg - parse register writes
989 *
990 * @ctx: UVD parser context
991 * @cb: callback function
992 *
993 * Parse the register writes, call cb on each complete command.
994 */
995static int amdgpu_uvd_cs_reg(struct amdgpu_uvd_cs_ctx *ctx,
996 int (*cb)(struct amdgpu_uvd_cs_ctx *ctx))
997{
998 int i, r;
999
1000 ctx->idx++;
1001 for (i = 0; i <= ctx->count; ++i) {
1002 unsigned int reg = ctx->reg + i;
1003
1004 if (ctx->idx >= ctx->ib->length_dw) {
1005 DRM_ERROR("Register command after end of CS!\n");
1006 return -EINVAL;
1007 }
1008
1009 switch (reg) {
1010 case mmUVD_GPCOM_VCPU_DATA0:
1011 ctx->data0 = ctx->idx;
1012 break;
1013 case mmUVD_GPCOM_VCPU_DATA1:
1014 ctx->data1 = ctx->idx;
1015 break;
1016 case mmUVD_GPCOM_VCPU_CMD:
1017 r = cb(ctx);
1018 if (r)
1019 return r;
1020 break;
1021 case mmUVD_ENGINE_CNTL:
1022 case mmUVD_NO_OP:
1023 break;
1024 default:
1025 DRM_ERROR("Invalid reg 0x%X!\n", reg);
1026 return -EINVAL;
1027 }
1028 ctx->idx++;
1029 }
1030 return 0;
1031}
1032
1033/**
1034 * amdgpu_uvd_cs_packets - parse UVD packets
1035 *
1036 * @ctx: UVD parser context
1037 * @cb: callback function
1038 *
1039 * Parse the command stream packets.
1040 */
1041static int amdgpu_uvd_cs_packets(struct amdgpu_uvd_cs_ctx *ctx,
1042 int (*cb)(struct amdgpu_uvd_cs_ctx *ctx))
1043{
1044 int r;
1045
1046 for (ctx->idx = 0 ; ctx->idx < ctx->ib->length_dw; ) {
1047 uint32_t cmd = amdgpu_ib_get_value(ctx->ib, ctx->idx);
1048 unsigned int type = CP_PACKET_GET_TYPE(cmd);
1049
1050 switch (type) {
1051 case PACKET_TYPE0:
1052 ctx->reg = CP_PACKET0_GET_REG(cmd);
1053 ctx->count = CP_PACKET_GET_COUNT(cmd);
1054 r = amdgpu_uvd_cs_reg(ctx, cb);
1055 if (r)
1056 return r;
1057 break;
1058 case PACKET_TYPE2:
1059 ++ctx->idx;
1060 break;
1061 default:
1062 DRM_ERROR("Unknown packet type %d !\n", type);
1063 return -EINVAL;
1064 }
1065 }
1066 return 0;
1067}
1068
1069/**
1070 * amdgpu_uvd_ring_parse_cs - UVD command submission parser
1071 *
1072 * @parser: Command submission parser context
1073 * @job: the job to parse
1074 * @ib: the IB to patch
1075 *
1076 * Parse the command stream, patch in addresses as necessary.
1077 */
1078int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser,
1079 struct amdgpu_job *job,
1080 struct amdgpu_ib *ib)
1081{
1082 struct amdgpu_uvd_cs_ctx ctx = {};
1083 unsigned int buf_sizes[] = {
1084 [0x00000000] = 2048,
1085 [0x00000001] = 0xFFFFFFFF,
1086 [0x00000002] = 0xFFFFFFFF,
1087 [0x00000003] = 2048,
1088 [0x00000004] = 0xFFFFFFFF,
1089 };
1090 int r;
1091
1092 job->vm = NULL;
1093
1094 if (ib->length_dw % 16) {
1095 DRM_ERROR("UVD IB length (%d) not 16 dwords aligned!\n",
1096 ib->length_dw);
1097 return -EINVAL;
1098 }
1099
1100 ctx.parser = parser;
1101 ctx.buf_sizes = buf_sizes;
1102 ctx.ib = ib;
1103
1104 /* first round only required on chips without UVD 64 bit address support */
1105 if (!parser->adev->uvd.address_64_bit) {
1106 /* first round, make sure the buffers are actually in the UVD segment */
1107 r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass1);
1108 if (r)
1109 return r;
1110 }
1111
1112 /* second round, patch buffer addresses into the command stream */
1113 r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass2);
1114 if (r)
1115 return r;
1116
1117 if (!ctx.has_msg_cmd) {
1118 DRM_ERROR("UVD-IBs need a msg command!\n");
1119 return -EINVAL;
1120 }
1121
1122 return 0;
1123}
1124
1125static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo,
1126 bool direct, struct dma_fence **fence)
1127{
1128 struct amdgpu_device *adev = ring->adev;
1129 struct dma_fence *f = NULL;
1130 uint32_t offset, data[4];
1131 struct amdgpu_job *job;
1132 struct amdgpu_ib *ib;
1133 uint64_t addr;
1134 int i, r;
1135
1136 r = amdgpu_job_alloc_with_ib(ring->adev, &adev->uvd.entity,
1137 AMDGPU_FENCE_OWNER_UNDEFINED,
1138 64, direct ? AMDGPU_IB_POOL_DIRECT :
1139 AMDGPU_IB_POOL_DELAYED, &job);
1140 if (r)
1141 return r;
1142
1143 if (adev->asic_type >= CHIP_VEGA10)
1144 offset = adev->reg_offset[UVD_HWIP][ring->me][1];
1145 else
1146 offset = UVD_BASE_SI;
1147
1148 data[0] = PACKET0(offset + UVD_GPCOM_VCPU_DATA0, 0);
1149 data[1] = PACKET0(offset + UVD_GPCOM_VCPU_DATA1, 0);
1150 data[2] = PACKET0(offset + UVD_GPCOM_VCPU_CMD, 0);
1151 data[3] = PACKET0(offset + UVD_NO_OP, 0);
1152
1153 ib = &job->ibs[0];
1154 addr = amdgpu_bo_gpu_offset(bo);
1155 ib->ptr[0] = data[0];
1156 ib->ptr[1] = addr;
1157 ib->ptr[2] = data[1];
1158 ib->ptr[3] = addr >> 32;
1159 ib->ptr[4] = data[2];
1160 ib->ptr[5] = 0;
1161 for (i = 6; i < 16; i += 2) {
1162 ib->ptr[i] = data[3];
1163 ib->ptr[i+1] = 0;
1164 }
1165 ib->length_dw = 16;
1166
1167 if (direct) {
1168 r = amdgpu_job_submit_direct(job, ring, &f);
1169 if (r)
1170 goto err_free;
1171 } else {
1172 r = drm_sched_job_add_resv_dependencies(&job->base,
1173 bo->tbo.base.resv,
1174 DMA_RESV_USAGE_KERNEL);
1175 if (r)
1176 goto err_free;
1177
1178 f = amdgpu_job_submit(job);
1179 }
1180
1181 amdgpu_bo_reserve(bo, true);
1182 amdgpu_bo_fence(bo, f, false);
1183 amdgpu_bo_unreserve(bo);
1184
1185 if (fence)
1186 *fence = dma_fence_get(f);
1187 dma_fence_put(f);
1188
1189 return 0;
1190
1191err_free:
1192 amdgpu_job_free(job);
1193 return r;
1194}
1195
1196/* multiple fence commands without any stream commands in between can
1197 * crash the vcpu so just try to emmit a dummy create/destroy msg to
1198 * avoid this
1199 */
1200int amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
1201 struct dma_fence **fence)
1202{
1203 struct amdgpu_device *adev = ring->adev;
1204 struct amdgpu_bo *bo = adev->uvd.ib_bo;
1205 uint32_t *msg;
1206 int i;
1207
1208 msg = amdgpu_bo_kptr(bo);
1209 /* stitch together an UVD create msg */
1210 msg[0] = cpu_to_le32(0x00000de4);
1211 msg[1] = cpu_to_le32(0x00000000);
1212 msg[2] = cpu_to_le32(handle);
1213 msg[3] = cpu_to_le32(0x00000000);
1214 msg[4] = cpu_to_le32(0x00000000);
1215 msg[5] = cpu_to_le32(0x00000000);
1216 msg[6] = cpu_to_le32(0x00000000);
1217 msg[7] = cpu_to_le32(0x00000780);
1218 msg[8] = cpu_to_le32(0x00000440);
1219 msg[9] = cpu_to_le32(0x00000000);
1220 msg[10] = cpu_to_le32(0x01b37000);
1221 for (i = 11; i < 1024; ++i)
1222 msg[i] = cpu_to_le32(0x0);
1223
1224 return amdgpu_uvd_send_msg(ring, bo, true, fence);
1225
1226}
1227
1228int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
1229 bool direct, struct dma_fence **fence)
1230{
1231 struct amdgpu_device *adev = ring->adev;
1232 struct amdgpu_bo *bo = NULL;
1233 uint32_t *msg;
1234 int r, i;
1235
1236 if (direct) {
1237 bo = adev->uvd.ib_bo;
1238 } else {
1239 r = amdgpu_uvd_create_msg_bo_helper(adev, 4096, &bo);
1240 if (r)
1241 return r;
1242 }
1243
1244 msg = amdgpu_bo_kptr(bo);
1245 /* stitch together an UVD destroy msg */
1246 msg[0] = cpu_to_le32(0x00000de4);
1247 msg[1] = cpu_to_le32(0x00000002);
1248 msg[2] = cpu_to_le32(handle);
1249 msg[3] = cpu_to_le32(0x00000000);
1250 for (i = 4; i < 1024; ++i)
1251 msg[i] = cpu_to_le32(0x0);
1252
1253 r = amdgpu_uvd_send_msg(ring, bo, direct, fence);
1254
1255 if (!direct)
1256 amdgpu_bo_free_kernel(&bo, NULL, (void **)&msg);
1257
1258 return r;
1259}
1260
1261static void amdgpu_uvd_idle_work_handler(struct work_struct *work)
1262{
1263 struct amdgpu_device *adev =
1264 container_of(work, struct amdgpu_device, uvd.idle_work.work);
1265 unsigned int fences = 0, i, j;
1266
1267 for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {
1268 if (adev->uvd.harvest_config & (1 << i))
1269 continue;
1270 fences += amdgpu_fence_count_emitted(&adev->uvd.inst[i].ring);
1271 for (j = 0; j < adev->uvd.num_enc_rings; ++j)
1272 fences += amdgpu_fence_count_emitted(&adev->uvd.inst[i].ring_enc[j]);
1273 }
1274
1275 if (fences == 0) {
1276 if (adev->pm.dpm_enabled) {
1277 amdgpu_dpm_enable_uvd(adev, false);
1278 } else {
1279 amdgpu_asic_set_uvd_clocks(adev, 0, 0);
1280 /* shutdown the UVD block */
1281 amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1282 AMD_PG_STATE_GATE);
1283 amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1284 AMD_CG_STATE_GATE);
1285 }
1286 } else {
1287 schedule_delayed_work(&adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
1288 }
1289}
1290
1291void amdgpu_uvd_ring_begin_use(struct amdgpu_ring *ring)
1292{
1293 struct amdgpu_device *adev = ring->adev;
1294 bool set_clocks;
1295
1296 if (amdgpu_sriov_vf(adev))
1297 return;
1298
1299 set_clocks = !cancel_delayed_work_sync(&adev->uvd.idle_work);
1300 if (set_clocks) {
1301 if (adev->pm.dpm_enabled) {
1302 amdgpu_dpm_enable_uvd(adev, true);
1303 } else {
1304 amdgpu_asic_set_uvd_clocks(adev, 53300, 40000);
1305 amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1306 AMD_CG_STATE_UNGATE);
1307 amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1308 AMD_PG_STATE_UNGATE);
1309 }
1310 }
1311}
1312
1313void amdgpu_uvd_ring_end_use(struct amdgpu_ring *ring)
1314{
1315 if (!amdgpu_sriov_vf(ring->adev))
1316 schedule_delayed_work(&ring->adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
1317}
1318
1319/**
1320 * amdgpu_uvd_ring_test_ib - test ib execution
1321 *
1322 * @ring: amdgpu_ring pointer
1323 * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT
1324 *
1325 * Test if we can successfully execute an IB
1326 */
1327int amdgpu_uvd_ring_test_ib(struct amdgpu_ring *ring, long timeout)
1328{
1329 struct dma_fence *fence;
1330 long r;
1331
1332 r = amdgpu_uvd_get_create_msg(ring, 1, &fence);
1333 if (r)
1334 goto error;
1335
1336 r = dma_fence_wait_timeout(fence, false, timeout);
1337 dma_fence_put(fence);
1338 if (r == 0)
1339 r = -ETIMEDOUT;
1340 if (r < 0)
1341 goto error;
1342
1343 r = amdgpu_uvd_get_destroy_msg(ring, 1, true, &fence);
1344 if (r)
1345 goto error;
1346
1347 r = dma_fence_wait_timeout(fence, false, timeout);
1348 if (r == 0)
1349 r = -ETIMEDOUT;
1350 else if (r > 0)
1351 r = 0;
1352
1353 dma_fence_put(fence);
1354
1355error:
1356 return r;
1357}
1358
1359/**
1360 * amdgpu_uvd_used_handles - returns used UVD handles
1361 *
1362 * @adev: amdgpu_device pointer
1363 *
1364 * Returns the number of UVD handles in use
1365 */
1366uint32_t amdgpu_uvd_used_handles(struct amdgpu_device *adev)
1367{
1368 unsigned int i;
1369 uint32_t used_handles = 0;
1370
1371 for (i = 0; i < adev->uvd.max_handles; ++i) {
1372 /*
1373 * Handles can be freed in any order, and not
1374 * necessarily linear. So we need to count
1375 * all non-zero handles.
1376 */
1377 if (atomic_read(&adev->uvd.handles[i]))
1378 used_handles++;
1379 }
1380
1381 return used_handles;
1382}
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#include <drm/drmP.h>
34#include <drm/drm.h>
35
36#include "amdgpu.h"
37#include "amdgpu_pm.h"
38#include "amdgpu_uvd.h"
39#include "cikd.h"
40#include "uvd/uvd_4_2_d.h"
41
42/* 1 second timeout */
43#define UVD_IDLE_TIMEOUT msecs_to_jiffies(1000)
44
45/* Firmware versions for VI */
46#define FW_1_65_10 ((1 << 24) | (65 << 16) | (10 << 8))
47#define FW_1_87_11 ((1 << 24) | (87 << 16) | (11 << 8))
48#define FW_1_87_12 ((1 << 24) | (87 << 16) | (12 << 8))
49#define FW_1_37_15 ((1 << 24) | (37 << 16) | (15 << 8))
50
51/* Polaris10/11 firmware version */
52#define FW_1_66_16 ((1 << 24) | (66 << 16) | (16 << 8))
53
54/* Firmware Names */
55#ifdef CONFIG_DRM_AMDGPU_CIK
56#define FIRMWARE_BONAIRE "radeon/bonaire_uvd.bin"
57#define FIRMWARE_KABINI "radeon/kabini_uvd.bin"
58#define FIRMWARE_KAVERI "radeon/kaveri_uvd.bin"
59#define FIRMWARE_HAWAII "radeon/hawaii_uvd.bin"
60#define FIRMWARE_MULLINS "radeon/mullins_uvd.bin"
61#endif
62#define FIRMWARE_TONGA "amdgpu/tonga_uvd.bin"
63#define FIRMWARE_CARRIZO "amdgpu/carrizo_uvd.bin"
64#define FIRMWARE_FIJI "amdgpu/fiji_uvd.bin"
65#define FIRMWARE_STONEY "amdgpu/stoney_uvd.bin"
66#define FIRMWARE_POLARIS10 "amdgpu/polaris10_uvd.bin"
67#define FIRMWARE_POLARIS11 "amdgpu/polaris11_uvd.bin"
68#define FIRMWARE_POLARIS12 "amdgpu/polaris12_uvd.bin"
69
70#define FIRMWARE_VEGA10 "amdgpu/vega10_uvd.bin"
71#define FIRMWARE_VEGA12 "amdgpu/vega12_uvd.bin"
72
73#define mmUVD_GPCOM_VCPU_DATA0_VEGA10 (0x03c4 + 0x7e00)
74#define mmUVD_GPCOM_VCPU_DATA1_VEGA10 (0x03c5 + 0x7e00)
75#define mmUVD_GPCOM_VCPU_CMD_VEGA10 (0x03c3 + 0x7e00)
76#define mmUVD_NO_OP_VEGA10 (0x03ff + 0x7e00)
77#define mmUVD_ENGINE_CNTL_VEGA10 (0x03c6 + 0x7e00)
78
79/**
80 * amdgpu_uvd_cs_ctx - Command submission parser context
81 *
82 * Used for emulating virtual memory support on UVD 4.2.
83 */
84struct amdgpu_uvd_cs_ctx {
85 struct amdgpu_cs_parser *parser;
86 unsigned reg, count;
87 unsigned data0, data1;
88 unsigned idx;
89 unsigned ib_idx;
90
91 /* does the IB has a msg command */
92 bool has_msg_cmd;
93
94 /* minimum buffer sizes */
95 unsigned *buf_sizes;
96};
97
98#ifdef CONFIG_DRM_AMDGPU_CIK
99MODULE_FIRMWARE(FIRMWARE_BONAIRE);
100MODULE_FIRMWARE(FIRMWARE_KABINI);
101MODULE_FIRMWARE(FIRMWARE_KAVERI);
102MODULE_FIRMWARE(FIRMWARE_HAWAII);
103MODULE_FIRMWARE(FIRMWARE_MULLINS);
104#endif
105MODULE_FIRMWARE(FIRMWARE_TONGA);
106MODULE_FIRMWARE(FIRMWARE_CARRIZO);
107MODULE_FIRMWARE(FIRMWARE_FIJI);
108MODULE_FIRMWARE(FIRMWARE_STONEY);
109MODULE_FIRMWARE(FIRMWARE_POLARIS10);
110MODULE_FIRMWARE(FIRMWARE_POLARIS11);
111MODULE_FIRMWARE(FIRMWARE_POLARIS12);
112
113MODULE_FIRMWARE(FIRMWARE_VEGA10);
114MODULE_FIRMWARE(FIRMWARE_VEGA12);
115
116static void amdgpu_uvd_idle_work_handler(struct work_struct *work);
117
118int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
119{
120 struct amdgpu_ring *ring;
121 struct drm_sched_rq *rq;
122 unsigned long bo_size;
123 const char *fw_name;
124 const struct common_firmware_header *hdr;
125 unsigned version_major, version_minor, family_id;
126 int i, r;
127
128 INIT_DELAYED_WORK(&adev->uvd.idle_work, amdgpu_uvd_idle_work_handler);
129
130 switch (adev->asic_type) {
131#ifdef CONFIG_DRM_AMDGPU_CIK
132 case CHIP_BONAIRE:
133 fw_name = FIRMWARE_BONAIRE;
134 break;
135 case CHIP_KABINI:
136 fw_name = FIRMWARE_KABINI;
137 break;
138 case CHIP_KAVERI:
139 fw_name = FIRMWARE_KAVERI;
140 break;
141 case CHIP_HAWAII:
142 fw_name = FIRMWARE_HAWAII;
143 break;
144 case CHIP_MULLINS:
145 fw_name = FIRMWARE_MULLINS;
146 break;
147#endif
148 case CHIP_TONGA:
149 fw_name = FIRMWARE_TONGA;
150 break;
151 case CHIP_FIJI:
152 fw_name = FIRMWARE_FIJI;
153 break;
154 case CHIP_CARRIZO:
155 fw_name = FIRMWARE_CARRIZO;
156 break;
157 case CHIP_STONEY:
158 fw_name = FIRMWARE_STONEY;
159 break;
160 case CHIP_POLARIS10:
161 fw_name = FIRMWARE_POLARIS10;
162 break;
163 case CHIP_POLARIS11:
164 fw_name = FIRMWARE_POLARIS11;
165 break;
166 case CHIP_POLARIS12:
167 fw_name = FIRMWARE_POLARIS12;
168 break;
169 case CHIP_VEGA10:
170 fw_name = FIRMWARE_VEGA10;
171 break;
172 case CHIP_VEGA12:
173 fw_name = FIRMWARE_VEGA12;
174 break;
175 default:
176 return -EINVAL;
177 }
178
179 r = request_firmware(&adev->uvd.fw, fw_name, adev->dev);
180 if (r) {
181 dev_err(adev->dev, "amdgpu_uvd: Can't load firmware \"%s\"\n",
182 fw_name);
183 return r;
184 }
185
186 r = amdgpu_ucode_validate(adev->uvd.fw);
187 if (r) {
188 dev_err(adev->dev, "amdgpu_uvd: Can't validate firmware \"%s\"\n",
189 fw_name);
190 release_firmware(adev->uvd.fw);
191 adev->uvd.fw = NULL;
192 return r;
193 }
194
195 /* Set the default UVD handles that the firmware can handle */
196 adev->uvd.max_handles = AMDGPU_DEFAULT_UVD_HANDLES;
197
198 hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
199 family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
200 version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
201 version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
202 DRM_INFO("Found UVD firmware Version: %hu.%hu Family ID: %hu\n",
203 version_major, version_minor, family_id);
204
205 /*
206 * Limit the number of UVD handles depending on microcode major
207 * and minor versions. The firmware version which has 40 UVD
208 * instances support is 1.80. So all subsequent versions should
209 * also have the same support.
210 */
211 if ((version_major > 0x01) ||
212 ((version_major == 0x01) && (version_minor >= 0x50)))
213 adev->uvd.max_handles = AMDGPU_MAX_UVD_HANDLES;
214
215 adev->uvd.fw_version = ((version_major << 24) | (version_minor << 16) |
216 (family_id << 8));
217
218 if ((adev->asic_type == CHIP_POLARIS10 ||
219 adev->asic_type == CHIP_POLARIS11) &&
220 (adev->uvd.fw_version < FW_1_66_16))
221 DRM_ERROR("POLARIS10/11 UVD firmware version %hu.%hu is too old.\n",
222 version_major, version_minor);
223
224 bo_size = AMDGPU_UVD_STACK_SIZE + AMDGPU_UVD_HEAP_SIZE
225 + AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles;
226 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
227 bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
228
229 r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
230 AMDGPU_GEM_DOMAIN_VRAM, &adev->uvd.vcpu_bo,
231 &adev->uvd.gpu_addr, &adev->uvd.cpu_addr);
232 if (r) {
233 dev_err(adev->dev, "(%d) failed to allocate UVD bo\n", r);
234 return r;
235 }
236
237 ring = &adev->uvd.ring;
238 rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL];
239 r = drm_sched_entity_init(&ring->sched, &adev->uvd.entity,
240 rq, amdgpu_sched_jobs, NULL);
241 if (r != 0) {
242 DRM_ERROR("Failed setting up UVD run queue.\n");
243 return r;
244 }
245
246 for (i = 0; i < adev->uvd.max_handles; ++i) {
247 atomic_set(&adev->uvd.handles[i], 0);
248 adev->uvd.filp[i] = NULL;
249 }
250
251 /* from uvd v5.0 HW addressing capacity increased to 64 bits */
252 if (!amdgpu_device_ip_block_version_cmp(adev, AMD_IP_BLOCK_TYPE_UVD, 5, 0))
253 adev->uvd.address_64_bit = true;
254
255 switch (adev->asic_type) {
256 case CHIP_TONGA:
257 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_65_10;
258 break;
259 case CHIP_CARRIZO:
260 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_87_11;
261 break;
262 case CHIP_FIJI:
263 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_87_12;
264 break;
265 case CHIP_STONEY:
266 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_37_15;
267 break;
268 default:
269 adev->uvd.use_ctx_buf = adev->asic_type >= CHIP_POLARIS10;
270 }
271
272 return 0;
273}
274
275int amdgpu_uvd_sw_fini(struct amdgpu_device *adev)
276{
277 int i;
278 kfree(adev->uvd.saved_bo);
279
280 drm_sched_entity_fini(&adev->uvd.ring.sched, &adev->uvd.entity);
281
282 amdgpu_bo_free_kernel(&adev->uvd.vcpu_bo,
283 &adev->uvd.gpu_addr,
284 (void **)&adev->uvd.cpu_addr);
285
286 amdgpu_ring_fini(&adev->uvd.ring);
287
288 for (i = 0; i < AMDGPU_MAX_UVD_ENC_RINGS; ++i)
289 amdgpu_ring_fini(&adev->uvd.ring_enc[i]);
290
291 release_firmware(adev->uvd.fw);
292
293 return 0;
294}
295
296int amdgpu_uvd_suspend(struct amdgpu_device *adev)
297{
298 unsigned size;
299 void *ptr;
300 int i;
301
302 if (adev->uvd.vcpu_bo == NULL)
303 return 0;
304
305 cancel_delayed_work_sync(&adev->uvd.idle_work);
306
307 /* only valid for physical mode */
308 if (adev->asic_type < CHIP_POLARIS10) {
309 for (i = 0; i < adev->uvd.max_handles; ++i)
310 if (atomic_read(&adev->uvd.handles[i]))
311 break;
312
313 if (i == adev->uvd.max_handles)
314 return 0;
315 }
316
317 size = amdgpu_bo_size(adev->uvd.vcpu_bo);
318 ptr = adev->uvd.cpu_addr;
319
320 adev->uvd.saved_bo = kmalloc(size, GFP_KERNEL);
321 if (!adev->uvd.saved_bo)
322 return -ENOMEM;
323
324 memcpy_fromio(adev->uvd.saved_bo, ptr, size);
325
326 return 0;
327}
328
329int amdgpu_uvd_resume(struct amdgpu_device *adev)
330{
331 unsigned size;
332 void *ptr;
333
334 if (adev->uvd.vcpu_bo == NULL)
335 return -EINVAL;
336
337 size = amdgpu_bo_size(adev->uvd.vcpu_bo);
338 ptr = adev->uvd.cpu_addr;
339
340 if (adev->uvd.saved_bo != NULL) {
341 memcpy_toio(ptr, adev->uvd.saved_bo, size);
342 kfree(adev->uvd.saved_bo);
343 adev->uvd.saved_bo = NULL;
344 } else {
345 const struct common_firmware_header *hdr;
346 unsigned offset;
347
348 hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
349 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
350 offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
351 memcpy_toio(adev->uvd.cpu_addr, adev->uvd.fw->data + offset,
352 le32_to_cpu(hdr->ucode_size_bytes));
353 size -= le32_to_cpu(hdr->ucode_size_bytes);
354 ptr += le32_to_cpu(hdr->ucode_size_bytes);
355 }
356 memset_io(ptr, 0, size);
357 /* to restore uvd fence seq */
358 amdgpu_fence_driver_force_completion(&adev->uvd.ring);
359 }
360
361 return 0;
362}
363
364void amdgpu_uvd_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
365{
366 struct amdgpu_ring *ring = &adev->uvd.ring;
367 int i, r;
368
369 for (i = 0; i < adev->uvd.max_handles; ++i) {
370 uint32_t handle = atomic_read(&adev->uvd.handles[i]);
371 if (handle != 0 && adev->uvd.filp[i] == filp) {
372 struct dma_fence *fence;
373
374 r = amdgpu_uvd_get_destroy_msg(ring, handle,
375 false, &fence);
376 if (r) {
377 DRM_ERROR("Error destroying UVD (%d)!\n", r);
378 continue;
379 }
380
381 dma_fence_wait(fence, false);
382 dma_fence_put(fence);
383
384 adev->uvd.filp[i] = NULL;
385 atomic_set(&adev->uvd.handles[i], 0);
386 }
387 }
388}
389
390static void amdgpu_uvd_force_into_uvd_segment(struct amdgpu_bo *abo)
391{
392 int i;
393 for (i = 0; i < abo->placement.num_placement; ++i) {
394 abo->placements[i].fpfn = 0 >> PAGE_SHIFT;
395 abo->placements[i].lpfn = (256 * 1024 * 1024) >> PAGE_SHIFT;
396 }
397}
398
399static u64 amdgpu_uvd_get_addr_from_ctx(struct amdgpu_uvd_cs_ctx *ctx)
400{
401 uint32_t lo, hi;
402 uint64_t addr;
403
404 lo = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->data0);
405 hi = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->data1);
406 addr = ((uint64_t)lo) | (((uint64_t)hi) << 32);
407
408 return addr;
409}
410
411/**
412 * amdgpu_uvd_cs_pass1 - first parsing round
413 *
414 * @ctx: UVD parser context
415 *
416 * Make sure UVD message and feedback buffers are in VRAM and
417 * nobody is violating an 256MB boundary.
418 */
419static int amdgpu_uvd_cs_pass1(struct amdgpu_uvd_cs_ctx *ctx)
420{
421 struct ttm_operation_ctx tctx = { false, false };
422 struct amdgpu_bo_va_mapping *mapping;
423 struct amdgpu_bo *bo;
424 uint32_t cmd;
425 uint64_t addr = amdgpu_uvd_get_addr_from_ctx(ctx);
426 int r = 0;
427
428 r = amdgpu_cs_find_mapping(ctx->parser, addr, &bo, &mapping);
429 if (r) {
430 DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr);
431 return r;
432 }
433
434 if (!ctx->parser->adev->uvd.address_64_bit) {
435 /* check if it's a message or feedback command */
436 cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx) >> 1;
437 if (cmd == 0x0 || cmd == 0x3) {
438 /* yes, force it into VRAM */
439 uint32_t domain = AMDGPU_GEM_DOMAIN_VRAM;
440 amdgpu_ttm_placement_from_domain(bo, domain);
441 }
442 amdgpu_uvd_force_into_uvd_segment(bo);
443
444 r = ttm_bo_validate(&bo->tbo, &bo->placement, &tctx);
445 }
446
447 return r;
448}
449
450/**
451 * amdgpu_uvd_cs_msg_decode - handle UVD decode message
452 *
453 * @msg: pointer to message structure
454 * @buf_sizes: returned buffer sizes
455 *
456 * Peek into the decode message and calculate the necessary buffer sizes.
457 */
458static int amdgpu_uvd_cs_msg_decode(struct amdgpu_device *adev, uint32_t *msg,
459 unsigned buf_sizes[])
460{
461 unsigned stream_type = msg[4];
462 unsigned width = msg[6];
463 unsigned height = msg[7];
464 unsigned dpb_size = msg[9];
465 unsigned pitch = msg[28];
466 unsigned level = msg[57];
467
468 unsigned width_in_mb = width / 16;
469 unsigned height_in_mb = ALIGN(height / 16, 2);
470 unsigned fs_in_mb = width_in_mb * height_in_mb;
471
472 unsigned image_size, tmp, min_dpb_size, num_dpb_buffer;
473 unsigned min_ctx_size = ~0;
474
475 image_size = width * height;
476 image_size += image_size / 2;
477 image_size = ALIGN(image_size, 1024);
478
479 switch (stream_type) {
480 case 0: /* H264 */
481 switch(level) {
482 case 30:
483 num_dpb_buffer = 8100 / fs_in_mb;
484 break;
485 case 31:
486 num_dpb_buffer = 18000 / fs_in_mb;
487 break;
488 case 32:
489 num_dpb_buffer = 20480 / fs_in_mb;
490 break;
491 case 41:
492 num_dpb_buffer = 32768 / fs_in_mb;
493 break;
494 case 42:
495 num_dpb_buffer = 34816 / fs_in_mb;
496 break;
497 case 50:
498 num_dpb_buffer = 110400 / fs_in_mb;
499 break;
500 case 51:
501 num_dpb_buffer = 184320 / fs_in_mb;
502 break;
503 default:
504 num_dpb_buffer = 184320 / fs_in_mb;
505 break;
506 }
507 num_dpb_buffer++;
508 if (num_dpb_buffer > 17)
509 num_dpb_buffer = 17;
510
511 /* reference picture buffer */
512 min_dpb_size = image_size * num_dpb_buffer;
513
514 /* macroblock context buffer */
515 min_dpb_size += width_in_mb * height_in_mb * num_dpb_buffer * 192;
516
517 /* IT surface buffer */
518 min_dpb_size += width_in_mb * height_in_mb * 32;
519 break;
520
521 case 1: /* VC1 */
522
523 /* reference picture buffer */
524 min_dpb_size = image_size * 3;
525
526 /* CONTEXT_BUFFER */
527 min_dpb_size += width_in_mb * height_in_mb * 128;
528
529 /* IT surface buffer */
530 min_dpb_size += width_in_mb * 64;
531
532 /* DB surface buffer */
533 min_dpb_size += width_in_mb * 128;
534
535 /* BP */
536 tmp = max(width_in_mb, height_in_mb);
537 min_dpb_size += ALIGN(tmp * 7 * 16, 64);
538 break;
539
540 case 3: /* MPEG2 */
541
542 /* reference picture buffer */
543 min_dpb_size = image_size * 3;
544 break;
545
546 case 4: /* MPEG4 */
547
548 /* reference picture buffer */
549 min_dpb_size = image_size * 3;
550
551 /* CM */
552 min_dpb_size += width_in_mb * height_in_mb * 64;
553
554 /* IT surface buffer */
555 min_dpb_size += ALIGN(width_in_mb * height_in_mb * 32, 64);
556 break;
557
558 case 7: /* H264 Perf */
559 switch(level) {
560 case 30:
561 num_dpb_buffer = 8100 / fs_in_mb;
562 break;
563 case 31:
564 num_dpb_buffer = 18000 / fs_in_mb;
565 break;
566 case 32:
567 num_dpb_buffer = 20480 / fs_in_mb;
568 break;
569 case 41:
570 num_dpb_buffer = 32768 / fs_in_mb;
571 break;
572 case 42:
573 num_dpb_buffer = 34816 / fs_in_mb;
574 break;
575 case 50:
576 num_dpb_buffer = 110400 / fs_in_mb;
577 break;
578 case 51:
579 num_dpb_buffer = 184320 / fs_in_mb;
580 break;
581 default:
582 num_dpb_buffer = 184320 / fs_in_mb;
583 break;
584 }
585 num_dpb_buffer++;
586 if (num_dpb_buffer > 17)
587 num_dpb_buffer = 17;
588
589 /* reference picture buffer */
590 min_dpb_size = image_size * num_dpb_buffer;
591
592 if (!adev->uvd.use_ctx_buf){
593 /* macroblock context buffer */
594 min_dpb_size +=
595 width_in_mb * height_in_mb * num_dpb_buffer * 192;
596
597 /* IT surface buffer */
598 min_dpb_size += width_in_mb * height_in_mb * 32;
599 } else {
600 /* macroblock context buffer */
601 min_ctx_size =
602 width_in_mb * height_in_mb * num_dpb_buffer * 192;
603 }
604 break;
605
606 case 8: /* MJPEG */
607 min_dpb_size = 0;
608 break;
609
610 case 16: /* H265 */
611 image_size = (ALIGN(width, 16) * ALIGN(height, 16) * 3) / 2;
612 image_size = ALIGN(image_size, 256);
613
614 num_dpb_buffer = (le32_to_cpu(msg[59]) & 0xff) + 2;
615 min_dpb_size = image_size * num_dpb_buffer;
616 min_ctx_size = ((width + 255) / 16) * ((height + 255) / 16)
617 * 16 * num_dpb_buffer + 52 * 1024;
618 break;
619
620 default:
621 DRM_ERROR("UVD codec not handled %d!\n", stream_type);
622 return -EINVAL;
623 }
624
625 if (width > pitch) {
626 DRM_ERROR("Invalid UVD decoding target pitch!\n");
627 return -EINVAL;
628 }
629
630 if (dpb_size < min_dpb_size) {
631 DRM_ERROR("Invalid dpb_size in UVD message (%d / %d)!\n",
632 dpb_size, min_dpb_size);
633 return -EINVAL;
634 }
635
636 buf_sizes[0x1] = dpb_size;
637 buf_sizes[0x2] = image_size;
638 buf_sizes[0x4] = min_ctx_size;
639 return 0;
640}
641
642/**
643 * amdgpu_uvd_cs_msg - handle UVD message
644 *
645 * @ctx: UVD parser context
646 * @bo: buffer object containing the message
647 * @offset: offset into the buffer object
648 *
649 * Peek into the UVD message and extract the session id.
650 * Make sure that we don't open up to many sessions.
651 */
652static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
653 struct amdgpu_bo *bo, unsigned offset)
654{
655 struct amdgpu_device *adev = ctx->parser->adev;
656 int32_t *msg, msg_type, handle;
657 void *ptr;
658 long r;
659 int i;
660
661 if (offset & 0x3F) {
662 DRM_ERROR("UVD messages must be 64 byte aligned!\n");
663 return -EINVAL;
664 }
665
666 r = amdgpu_bo_kmap(bo, &ptr);
667 if (r) {
668 DRM_ERROR("Failed mapping the UVD message (%ld)!\n", r);
669 return r;
670 }
671
672 msg = ptr + offset;
673
674 msg_type = msg[1];
675 handle = msg[2];
676
677 if (handle == 0) {
678 DRM_ERROR("Invalid UVD handle!\n");
679 return -EINVAL;
680 }
681
682 switch (msg_type) {
683 case 0:
684 /* it's a create msg, calc image size (width * height) */
685 amdgpu_bo_kunmap(bo);
686
687 /* try to alloc a new handle */
688 for (i = 0; i < adev->uvd.max_handles; ++i) {
689 if (atomic_read(&adev->uvd.handles[i]) == handle) {
690 DRM_ERROR("Handle 0x%x already in use!\n", handle);
691 return -EINVAL;
692 }
693
694 if (!atomic_cmpxchg(&adev->uvd.handles[i], 0, handle)) {
695 adev->uvd.filp[i] = ctx->parser->filp;
696 return 0;
697 }
698 }
699
700 DRM_ERROR("No more free UVD handles!\n");
701 return -ENOSPC;
702
703 case 1:
704 /* it's a decode msg, calc buffer sizes */
705 r = amdgpu_uvd_cs_msg_decode(adev, msg, ctx->buf_sizes);
706 amdgpu_bo_kunmap(bo);
707 if (r)
708 return r;
709
710 /* validate the handle */
711 for (i = 0; i < adev->uvd.max_handles; ++i) {
712 if (atomic_read(&adev->uvd.handles[i]) == handle) {
713 if (adev->uvd.filp[i] != ctx->parser->filp) {
714 DRM_ERROR("UVD handle collision detected!\n");
715 return -EINVAL;
716 }
717 return 0;
718 }
719 }
720
721 DRM_ERROR("Invalid UVD handle 0x%x!\n", handle);
722 return -ENOENT;
723
724 case 2:
725 /* it's a destroy msg, free the handle */
726 for (i = 0; i < adev->uvd.max_handles; ++i)
727 atomic_cmpxchg(&adev->uvd.handles[i], handle, 0);
728 amdgpu_bo_kunmap(bo);
729 return 0;
730
731 default:
732 DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
733 return -EINVAL;
734 }
735 BUG();
736 return -EINVAL;
737}
738
739/**
740 * amdgpu_uvd_cs_pass2 - second parsing round
741 *
742 * @ctx: UVD parser context
743 *
744 * Patch buffer addresses, make sure buffer sizes are correct.
745 */
746static int amdgpu_uvd_cs_pass2(struct amdgpu_uvd_cs_ctx *ctx)
747{
748 struct amdgpu_bo_va_mapping *mapping;
749 struct amdgpu_bo *bo;
750 uint32_t cmd;
751 uint64_t start, end;
752 uint64_t addr = amdgpu_uvd_get_addr_from_ctx(ctx);
753 int r;
754
755 r = amdgpu_cs_find_mapping(ctx->parser, addr, &bo, &mapping);
756 if (r) {
757 DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr);
758 return r;
759 }
760
761 start = amdgpu_bo_gpu_offset(bo);
762
763 end = (mapping->last + 1 - mapping->start);
764 end = end * AMDGPU_GPU_PAGE_SIZE + start;
765
766 addr -= mapping->start * AMDGPU_GPU_PAGE_SIZE;
767 start += addr;
768
769 amdgpu_set_ib_value(ctx->parser, ctx->ib_idx, ctx->data0,
770 lower_32_bits(start));
771 amdgpu_set_ib_value(ctx->parser, ctx->ib_idx, ctx->data1,
772 upper_32_bits(start));
773
774 cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx) >> 1;
775 if (cmd < 0x4) {
776 if ((end - start) < ctx->buf_sizes[cmd]) {
777 DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
778 (unsigned)(end - start),
779 ctx->buf_sizes[cmd]);
780 return -EINVAL;
781 }
782
783 } else if (cmd == 0x206) {
784 if ((end - start) < ctx->buf_sizes[4]) {
785 DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
786 (unsigned)(end - start),
787 ctx->buf_sizes[4]);
788 return -EINVAL;
789 }
790 } else if ((cmd != 0x100) && (cmd != 0x204)) {
791 DRM_ERROR("invalid UVD command %X!\n", cmd);
792 return -EINVAL;
793 }
794
795 if (!ctx->parser->adev->uvd.address_64_bit) {
796 if ((start >> 28) != ((end - 1) >> 28)) {
797 DRM_ERROR("reloc %LX-%LX crossing 256MB boundary!\n",
798 start, end);
799 return -EINVAL;
800 }
801
802 if ((cmd == 0 || cmd == 0x3) &&
803 (start >> 28) != (ctx->parser->adev->uvd.gpu_addr >> 28)) {
804 DRM_ERROR("msg/fb buffer %LX-%LX out of 256MB segment!\n",
805 start, end);
806 return -EINVAL;
807 }
808 }
809
810 if (cmd == 0) {
811 ctx->has_msg_cmd = true;
812 r = amdgpu_uvd_cs_msg(ctx, bo, addr);
813 if (r)
814 return r;
815 } else if (!ctx->has_msg_cmd) {
816 DRM_ERROR("Message needed before other commands are send!\n");
817 return -EINVAL;
818 }
819
820 return 0;
821}
822
823/**
824 * amdgpu_uvd_cs_reg - parse register writes
825 *
826 * @ctx: UVD parser context
827 * @cb: callback function
828 *
829 * Parse the register writes, call cb on each complete command.
830 */
831static int amdgpu_uvd_cs_reg(struct amdgpu_uvd_cs_ctx *ctx,
832 int (*cb)(struct amdgpu_uvd_cs_ctx *ctx))
833{
834 struct amdgpu_ib *ib = &ctx->parser->job->ibs[ctx->ib_idx];
835 int i, r;
836
837 ctx->idx++;
838 for (i = 0; i <= ctx->count; ++i) {
839 unsigned reg = ctx->reg + i;
840
841 if (ctx->idx >= ib->length_dw) {
842 DRM_ERROR("Register command after end of CS!\n");
843 return -EINVAL;
844 }
845
846 switch (reg) {
847 case mmUVD_GPCOM_VCPU_DATA0:
848 ctx->data0 = ctx->idx;
849 break;
850 case mmUVD_GPCOM_VCPU_DATA1:
851 ctx->data1 = ctx->idx;
852 break;
853 case mmUVD_GPCOM_VCPU_CMD:
854 r = cb(ctx);
855 if (r)
856 return r;
857 break;
858 case mmUVD_ENGINE_CNTL:
859 case mmUVD_NO_OP:
860 break;
861 default:
862 DRM_ERROR("Invalid reg 0x%X!\n", reg);
863 return -EINVAL;
864 }
865 ctx->idx++;
866 }
867 return 0;
868}
869
870/**
871 * amdgpu_uvd_cs_packets - parse UVD packets
872 *
873 * @ctx: UVD parser context
874 * @cb: callback function
875 *
876 * Parse the command stream packets.
877 */
878static int amdgpu_uvd_cs_packets(struct amdgpu_uvd_cs_ctx *ctx,
879 int (*cb)(struct amdgpu_uvd_cs_ctx *ctx))
880{
881 struct amdgpu_ib *ib = &ctx->parser->job->ibs[ctx->ib_idx];
882 int r;
883
884 for (ctx->idx = 0 ; ctx->idx < ib->length_dw; ) {
885 uint32_t cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx);
886 unsigned type = CP_PACKET_GET_TYPE(cmd);
887 switch (type) {
888 case PACKET_TYPE0:
889 ctx->reg = CP_PACKET0_GET_REG(cmd);
890 ctx->count = CP_PACKET_GET_COUNT(cmd);
891 r = amdgpu_uvd_cs_reg(ctx, cb);
892 if (r)
893 return r;
894 break;
895 case PACKET_TYPE2:
896 ++ctx->idx;
897 break;
898 default:
899 DRM_ERROR("Unknown packet type %d !\n", type);
900 return -EINVAL;
901 }
902 }
903 return 0;
904}
905
906/**
907 * amdgpu_uvd_ring_parse_cs - UVD command submission parser
908 *
909 * @parser: Command submission parser context
910 *
911 * Parse the command stream, patch in addresses as necessary.
912 */
913int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser, uint32_t ib_idx)
914{
915 struct amdgpu_uvd_cs_ctx ctx = {};
916 unsigned buf_sizes[] = {
917 [0x00000000] = 2048,
918 [0x00000001] = 0xFFFFFFFF,
919 [0x00000002] = 0xFFFFFFFF,
920 [0x00000003] = 2048,
921 [0x00000004] = 0xFFFFFFFF,
922 };
923 struct amdgpu_ib *ib = &parser->job->ibs[ib_idx];
924 int r;
925
926 parser->job->vm = NULL;
927 ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo);
928
929 if (ib->length_dw % 16) {
930 DRM_ERROR("UVD IB length (%d) not 16 dwords aligned!\n",
931 ib->length_dw);
932 return -EINVAL;
933 }
934
935 ctx.parser = parser;
936 ctx.buf_sizes = buf_sizes;
937 ctx.ib_idx = ib_idx;
938
939 /* first round only required on chips without UVD 64 bit address support */
940 if (!parser->adev->uvd.address_64_bit) {
941 /* first round, make sure the buffers are actually in the UVD segment */
942 r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass1);
943 if (r)
944 return r;
945 }
946
947 /* second round, patch buffer addresses into the command stream */
948 r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass2);
949 if (r)
950 return r;
951
952 if (!ctx.has_msg_cmd) {
953 DRM_ERROR("UVD-IBs need a msg command!\n");
954 return -EINVAL;
955 }
956
957 return 0;
958}
959
960static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo,
961 bool direct, struct dma_fence **fence)
962{
963 struct amdgpu_device *adev = ring->adev;
964 struct dma_fence *f = NULL;
965 struct amdgpu_job *job;
966 struct amdgpu_ib *ib;
967 uint32_t data[4];
968 uint64_t addr;
969 long r;
970 int i;
971
972 amdgpu_bo_kunmap(bo);
973 amdgpu_bo_unpin(bo);
974
975 if (!ring->adev->uvd.address_64_bit) {
976 struct ttm_operation_ctx ctx = { true, false };
977
978 amdgpu_ttm_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_VRAM);
979 amdgpu_uvd_force_into_uvd_segment(bo);
980 r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
981 if (r)
982 goto err;
983 }
984
985 r = amdgpu_job_alloc_with_ib(adev, 64, &job);
986 if (r)
987 goto err;
988
989 if (adev->asic_type >= CHIP_VEGA10) {
990 data[0] = PACKET0(mmUVD_GPCOM_VCPU_DATA0_VEGA10, 0);
991 data[1] = PACKET0(mmUVD_GPCOM_VCPU_DATA1_VEGA10, 0);
992 data[2] = PACKET0(mmUVD_GPCOM_VCPU_CMD_VEGA10, 0);
993 data[3] = PACKET0(mmUVD_NO_OP_VEGA10, 0);
994 } else {
995 data[0] = PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0);
996 data[1] = PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0);
997 data[2] = PACKET0(mmUVD_GPCOM_VCPU_CMD, 0);
998 data[3] = PACKET0(mmUVD_NO_OP, 0);
999 }
1000
1001 ib = &job->ibs[0];
1002 addr = amdgpu_bo_gpu_offset(bo);
1003 ib->ptr[0] = data[0];
1004 ib->ptr[1] = addr;
1005 ib->ptr[2] = data[1];
1006 ib->ptr[3] = addr >> 32;
1007 ib->ptr[4] = data[2];
1008 ib->ptr[5] = 0;
1009 for (i = 6; i < 16; i += 2) {
1010 ib->ptr[i] = data[3];
1011 ib->ptr[i+1] = 0;
1012 }
1013 ib->length_dw = 16;
1014
1015 if (direct) {
1016 r = reservation_object_wait_timeout_rcu(bo->tbo.resv,
1017 true, false,
1018 msecs_to_jiffies(10));
1019 if (r == 0)
1020 r = -ETIMEDOUT;
1021 if (r < 0)
1022 goto err_free;
1023
1024 r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f);
1025 job->fence = dma_fence_get(f);
1026 if (r)
1027 goto err_free;
1028
1029 amdgpu_job_free(job);
1030 } else {
1031 r = amdgpu_sync_resv(adev, &job->sync, bo->tbo.resv,
1032 AMDGPU_FENCE_OWNER_UNDEFINED, false);
1033 if (r)
1034 goto err_free;
1035
1036 r = amdgpu_job_submit(job, ring, &adev->uvd.entity,
1037 AMDGPU_FENCE_OWNER_UNDEFINED, &f);
1038 if (r)
1039 goto err_free;
1040 }
1041
1042 amdgpu_bo_fence(bo, f, false);
1043 amdgpu_bo_unreserve(bo);
1044 amdgpu_bo_unref(&bo);
1045
1046 if (fence)
1047 *fence = dma_fence_get(f);
1048 dma_fence_put(f);
1049
1050 return 0;
1051
1052err_free:
1053 amdgpu_job_free(job);
1054
1055err:
1056 amdgpu_bo_unreserve(bo);
1057 amdgpu_bo_unref(&bo);
1058 return r;
1059}
1060
1061/* multiple fence commands without any stream commands in between can
1062 crash the vcpu so just try to emmit a dummy create/destroy msg to
1063 avoid this */
1064int amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
1065 struct dma_fence **fence)
1066{
1067 struct amdgpu_device *adev = ring->adev;
1068 struct amdgpu_bo *bo = NULL;
1069 uint32_t *msg;
1070 int r, i;
1071
1072 r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
1073 AMDGPU_GEM_DOMAIN_VRAM,
1074 &bo, NULL, (void **)&msg);
1075 if (r)
1076 return r;
1077
1078 /* stitch together an UVD create msg */
1079 msg[0] = cpu_to_le32(0x00000de4);
1080 msg[1] = cpu_to_le32(0x00000000);
1081 msg[2] = cpu_to_le32(handle);
1082 msg[3] = cpu_to_le32(0x00000000);
1083 msg[4] = cpu_to_le32(0x00000000);
1084 msg[5] = cpu_to_le32(0x00000000);
1085 msg[6] = cpu_to_le32(0x00000000);
1086 msg[7] = cpu_to_le32(0x00000780);
1087 msg[8] = cpu_to_le32(0x00000440);
1088 msg[9] = cpu_to_le32(0x00000000);
1089 msg[10] = cpu_to_le32(0x01b37000);
1090 for (i = 11; i < 1024; ++i)
1091 msg[i] = cpu_to_le32(0x0);
1092
1093 return amdgpu_uvd_send_msg(ring, bo, true, fence);
1094}
1095
1096int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
1097 bool direct, struct dma_fence **fence)
1098{
1099 struct amdgpu_device *adev = ring->adev;
1100 struct amdgpu_bo *bo = NULL;
1101 uint32_t *msg;
1102 int r, i;
1103
1104 r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
1105 AMDGPU_GEM_DOMAIN_VRAM,
1106 &bo, NULL, (void **)&msg);
1107 if (r)
1108 return r;
1109
1110 /* stitch together an UVD destroy msg */
1111 msg[0] = cpu_to_le32(0x00000de4);
1112 msg[1] = cpu_to_le32(0x00000002);
1113 msg[2] = cpu_to_le32(handle);
1114 msg[3] = cpu_to_le32(0x00000000);
1115 for (i = 4; i < 1024; ++i)
1116 msg[i] = cpu_to_le32(0x0);
1117
1118 return amdgpu_uvd_send_msg(ring, bo, direct, fence);
1119}
1120
1121static void amdgpu_uvd_idle_work_handler(struct work_struct *work)
1122{
1123 struct amdgpu_device *adev =
1124 container_of(work, struct amdgpu_device, uvd.idle_work.work);
1125 unsigned fences = amdgpu_fence_count_emitted(&adev->uvd.ring);
1126
1127 if (fences == 0) {
1128 if (adev->pm.dpm_enabled) {
1129 amdgpu_dpm_enable_uvd(adev, false);
1130 } else {
1131 amdgpu_asic_set_uvd_clocks(adev, 0, 0);
1132 /* shutdown the UVD block */
1133 amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1134 AMD_PG_STATE_GATE);
1135 amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1136 AMD_CG_STATE_GATE);
1137 }
1138 } else {
1139 schedule_delayed_work(&adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
1140 }
1141}
1142
1143void amdgpu_uvd_ring_begin_use(struct amdgpu_ring *ring)
1144{
1145 struct amdgpu_device *adev = ring->adev;
1146 bool set_clocks;
1147
1148 if (amdgpu_sriov_vf(adev))
1149 return;
1150
1151 set_clocks = !cancel_delayed_work_sync(&adev->uvd.idle_work);
1152 if (set_clocks) {
1153 if (adev->pm.dpm_enabled) {
1154 amdgpu_dpm_enable_uvd(adev, true);
1155 } else {
1156 amdgpu_asic_set_uvd_clocks(adev, 53300, 40000);
1157 amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1158 AMD_CG_STATE_UNGATE);
1159 amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1160 AMD_PG_STATE_UNGATE);
1161 }
1162 }
1163}
1164
1165void amdgpu_uvd_ring_end_use(struct amdgpu_ring *ring)
1166{
1167 if (!amdgpu_sriov_vf(ring->adev))
1168 schedule_delayed_work(&ring->adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
1169}
1170
1171/**
1172 * amdgpu_uvd_ring_test_ib - test ib execution
1173 *
1174 * @ring: amdgpu_ring pointer
1175 *
1176 * Test if we can successfully execute an IB
1177 */
1178int amdgpu_uvd_ring_test_ib(struct amdgpu_ring *ring, long timeout)
1179{
1180 struct dma_fence *fence;
1181 long r;
1182
1183 r = amdgpu_uvd_get_create_msg(ring, 1, NULL);
1184 if (r) {
1185 DRM_ERROR("amdgpu: failed to get create msg (%ld).\n", r);
1186 goto error;
1187 }
1188
1189 r = amdgpu_uvd_get_destroy_msg(ring, 1, true, &fence);
1190 if (r) {
1191 DRM_ERROR("amdgpu: failed to get destroy ib (%ld).\n", r);
1192 goto error;
1193 }
1194
1195 r = dma_fence_wait_timeout(fence, false, timeout);
1196 if (r == 0) {
1197 DRM_ERROR("amdgpu: IB test timed out.\n");
1198 r = -ETIMEDOUT;
1199 } else if (r < 0) {
1200 DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r);
1201 } else {
1202 DRM_DEBUG("ib test on ring %d succeeded\n", ring->idx);
1203 r = 0;
1204 }
1205
1206 dma_fence_put(fence);
1207
1208error:
1209 return r;
1210}
1211
1212/**
1213 * amdgpu_uvd_used_handles - returns used UVD handles
1214 *
1215 * @adev: amdgpu_device pointer
1216 *
1217 * Returns the number of UVD handles in use
1218 */
1219uint32_t amdgpu_uvd_used_handles(struct amdgpu_device *adev)
1220{
1221 unsigned i;
1222 uint32_t used_handles = 0;
1223
1224 for (i = 0; i < adev->uvd.max_handles; ++i) {
1225 /*
1226 * Handles can be freed in any order, and not
1227 * necessarily linear. So we need to count
1228 * all non-zero handles.
1229 */
1230 if (atomic_read(&adev->uvd.handles[i]))
1231 used_handles++;
1232 }
1233
1234 return used_handles;
1235}