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1/*
2 * Copyright 2013 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 * Authors: Christian König <christian.koenig@amd.com>
26 */
27
28#include <linux/firmware.h>
29#include <linux/module.h>
30#include <drm/drmP.h>
31#include <drm/drm.h>
32
33#include "amdgpu.h"
34#include "amdgpu_pm.h"
35#include "amdgpu_vce.h"
36#include "cikd.h"
37
38/* 1 second timeout */
39#define VCE_IDLE_TIMEOUT_MS 1000
40
41/* Firmware Names */
42#ifdef CONFIG_DRM_AMDGPU_CIK
43#define FIRMWARE_BONAIRE "radeon/bonaire_vce.bin"
44#define FIRMWARE_KABINI "radeon/kabini_vce.bin"
45#define FIRMWARE_KAVERI "radeon/kaveri_vce.bin"
46#define FIRMWARE_HAWAII "radeon/hawaii_vce.bin"
47#define FIRMWARE_MULLINS "radeon/mullins_vce.bin"
48#endif
49#define FIRMWARE_TONGA "amdgpu/tonga_vce.bin"
50#define FIRMWARE_CARRIZO "amdgpu/carrizo_vce.bin"
51#define FIRMWARE_FIJI "amdgpu/fiji_vce.bin"
52#define FIRMWARE_STONEY "amdgpu/stoney_vce.bin"
53
54#ifdef CONFIG_DRM_AMDGPU_CIK
55MODULE_FIRMWARE(FIRMWARE_BONAIRE);
56MODULE_FIRMWARE(FIRMWARE_KABINI);
57MODULE_FIRMWARE(FIRMWARE_KAVERI);
58MODULE_FIRMWARE(FIRMWARE_HAWAII);
59MODULE_FIRMWARE(FIRMWARE_MULLINS);
60#endif
61MODULE_FIRMWARE(FIRMWARE_TONGA);
62MODULE_FIRMWARE(FIRMWARE_CARRIZO);
63MODULE_FIRMWARE(FIRMWARE_FIJI);
64MODULE_FIRMWARE(FIRMWARE_STONEY);
65
66static void amdgpu_vce_idle_work_handler(struct work_struct *work);
67
68/**
69 * amdgpu_vce_init - allocate memory, load vce firmware
70 *
71 * @adev: amdgpu_device pointer
72 *
73 * First step to get VCE online, allocate memory and load the firmware
74 */
75int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size)
76{
77 struct amdgpu_ring *ring;
78 struct amd_sched_rq *rq;
79 const char *fw_name;
80 const struct common_firmware_header *hdr;
81 unsigned ucode_version, version_major, version_minor, binary_id;
82 int i, r;
83
84 INIT_DELAYED_WORK(&adev->vce.idle_work, amdgpu_vce_idle_work_handler);
85
86 switch (adev->asic_type) {
87#ifdef CONFIG_DRM_AMDGPU_CIK
88 case CHIP_BONAIRE:
89 fw_name = FIRMWARE_BONAIRE;
90 break;
91 case CHIP_KAVERI:
92 fw_name = FIRMWARE_KAVERI;
93 break;
94 case CHIP_KABINI:
95 fw_name = FIRMWARE_KABINI;
96 break;
97 case CHIP_HAWAII:
98 fw_name = FIRMWARE_HAWAII;
99 break;
100 case CHIP_MULLINS:
101 fw_name = FIRMWARE_MULLINS;
102 break;
103#endif
104 case CHIP_TONGA:
105 fw_name = FIRMWARE_TONGA;
106 break;
107 case CHIP_CARRIZO:
108 fw_name = FIRMWARE_CARRIZO;
109 break;
110 case CHIP_FIJI:
111 fw_name = FIRMWARE_FIJI;
112 break;
113 case CHIP_STONEY:
114 fw_name = FIRMWARE_STONEY;
115 break;
116
117 default:
118 return -EINVAL;
119 }
120
121 r = request_firmware(&adev->vce.fw, fw_name, adev->dev);
122 if (r) {
123 dev_err(adev->dev, "amdgpu_vce: Can't load firmware \"%s\"\n",
124 fw_name);
125 return r;
126 }
127
128 r = amdgpu_ucode_validate(adev->vce.fw);
129 if (r) {
130 dev_err(adev->dev, "amdgpu_vce: Can't validate firmware \"%s\"\n",
131 fw_name);
132 release_firmware(adev->vce.fw);
133 adev->vce.fw = NULL;
134 return r;
135 }
136
137 hdr = (const struct common_firmware_header *)adev->vce.fw->data;
138
139 ucode_version = le32_to_cpu(hdr->ucode_version);
140 version_major = (ucode_version >> 20) & 0xfff;
141 version_minor = (ucode_version >> 8) & 0xfff;
142 binary_id = ucode_version & 0xff;
143 DRM_INFO("Found VCE firmware Version: %hhd.%hhd Binary ID: %hhd\n",
144 version_major, version_minor, binary_id);
145 adev->vce.fw_version = ((version_major << 24) | (version_minor << 16) |
146 (binary_id << 8));
147
148 /* allocate firmware, stack and heap BO */
149
150 r = amdgpu_bo_create(adev, size, PAGE_SIZE, true,
151 AMDGPU_GEM_DOMAIN_VRAM,
152 AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
153 NULL, NULL, &adev->vce.vcpu_bo);
154 if (r) {
155 dev_err(adev->dev, "(%d) failed to allocate VCE bo\n", r);
156 return r;
157 }
158
159 r = amdgpu_bo_reserve(adev->vce.vcpu_bo, false);
160 if (r) {
161 amdgpu_bo_unref(&adev->vce.vcpu_bo);
162 dev_err(adev->dev, "(%d) failed to reserve VCE bo\n", r);
163 return r;
164 }
165
166 r = amdgpu_bo_pin(adev->vce.vcpu_bo, AMDGPU_GEM_DOMAIN_VRAM,
167 &adev->vce.gpu_addr);
168 amdgpu_bo_unreserve(adev->vce.vcpu_bo);
169 if (r) {
170 amdgpu_bo_unref(&adev->vce.vcpu_bo);
171 dev_err(adev->dev, "(%d) VCE bo pin failed\n", r);
172 return r;
173 }
174
175
176 ring = &adev->vce.ring[0];
177 rq = &ring->sched.sched_rq[AMD_SCHED_PRIORITY_NORMAL];
178 r = amd_sched_entity_init(&ring->sched, &adev->vce.entity,
179 rq, amdgpu_sched_jobs);
180 if (r != 0) {
181 DRM_ERROR("Failed setting up VCE run queue.\n");
182 return r;
183 }
184
185 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
186 atomic_set(&adev->vce.handles[i], 0);
187 adev->vce.filp[i] = NULL;
188 }
189
190 return 0;
191}
192
193/**
194 * amdgpu_vce_fini - free memory
195 *
196 * @adev: amdgpu_device pointer
197 *
198 * Last step on VCE teardown, free firmware memory
199 */
200int amdgpu_vce_sw_fini(struct amdgpu_device *adev)
201{
202 if (adev->vce.vcpu_bo == NULL)
203 return 0;
204
205 amd_sched_entity_fini(&adev->vce.ring[0].sched, &adev->vce.entity);
206
207 amdgpu_bo_unref(&adev->vce.vcpu_bo);
208
209 amdgpu_ring_fini(&adev->vce.ring[0]);
210 amdgpu_ring_fini(&adev->vce.ring[1]);
211
212 release_firmware(adev->vce.fw);
213
214 return 0;
215}
216
217/**
218 * amdgpu_vce_suspend - unpin VCE fw memory
219 *
220 * @adev: amdgpu_device pointer
221 *
222 */
223int amdgpu_vce_suspend(struct amdgpu_device *adev)
224{
225 int i;
226
227 if (adev->vce.vcpu_bo == NULL)
228 return 0;
229
230 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i)
231 if (atomic_read(&adev->vce.handles[i]))
232 break;
233
234 if (i == AMDGPU_MAX_VCE_HANDLES)
235 return 0;
236
237 cancel_delayed_work_sync(&adev->vce.idle_work);
238 /* TODO: suspending running encoding sessions isn't supported */
239 return -EINVAL;
240}
241
242/**
243 * amdgpu_vce_resume - pin VCE fw memory
244 *
245 * @adev: amdgpu_device pointer
246 *
247 */
248int amdgpu_vce_resume(struct amdgpu_device *adev)
249{
250 void *cpu_addr;
251 const struct common_firmware_header *hdr;
252 unsigned offset;
253 int r;
254
255 if (adev->vce.vcpu_bo == NULL)
256 return -EINVAL;
257
258 r = amdgpu_bo_reserve(adev->vce.vcpu_bo, false);
259 if (r) {
260 dev_err(adev->dev, "(%d) failed to reserve VCE bo\n", r);
261 return r;
262 }
263
264 r = amdgpu_bo_kmap(adev->vce.vcpu_bo, &cpu_addr);
265 if (r) {
266 amdgpu_bo_unreserve(adev->vce.vcpu_bo);
267 dev_err(adev->dev, "(%d) VCE map failed\n", r);
268 return r;
269 }
270
271 hdr = (const struct common_firmware_header *)adev->vce.fw->data;
272 offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
273 memcpy(cpu_addr, (adev->vce.fw->data) + offset,
274 (adev->vce.fw->size) - offset);
275
276 amdgpu_bo_kunmap(adev->vce.vcpu_bo);
277
278 amdgpu_bo_unreserve(adev->vce.vcpu_bo);
279
280 return 0;
281}
282
283/**
284 * amdgpu_vce_idle_work_handler - power off VCE
285 *
286 * @work: pointer to work structure
287 *
288 * power of VCE when it's not used any more
289 */
290static void amdgpu_vce_idle_work_handler(struct work_struct *work)
291{
292 struct amdgpu_device *adev =
293 container_of(work, struct amdgpu_device, vce.idle_work.work);
294
295 if ((amdgpu_fence_count_emitted(&adev->vce.ring[0]) == 0) &&
296 (amdgpu_fence_count_emitted(&adev->vce.ring[1]) == 0)) {
297 if (adev->pm.dpm_enabled) {
298 amdgpu_dpm_enable_vce(adev, false);
299 } else {
300 amdgpu_asic_set_vce_clocks(adev, 0, 0);
301 }
302 } else {
303 schedule_delayed_work(&adev->vce.idle_work,
304 msecs_to_jiffies(VCE_IDLE_TIMEOUT_MS));
305 }
306}
307
308/**
309 * amdgpu_vce_note_usage - power up VCE
310 *
311 * @adev: amdgpu_device pointer
312 *
313 * Make sure VCE is powerd up when we want to use it
314 */
315static void amdgpu_vce_note_usage(struct amdgpu_device *adev)
316{
317 bool streams_changed = false;
318 bool set_clocks = !cancel_delayed_work_sync(&adev->vce.idle_work);
319 set_clocks &= schedule_delayed_work(&adev->vce.idle_work,
320 msecs_to_jiffies(VCE_IDLE_TIMEOUT_MS));
321
322 if (adev->pm.dpm_enabled) {
323 /* XXX figure out if the streams changed */
324 streams_changed = false;
325 }
326
327 if (set_clocks || streams_changed) {
328 if (adev->pm.dpm_enabled) {
329 amdgpu_dpm_enable_vce(adev, true);
330 } else {
331 amdgpu_asic_set_vce_clocks(adev, 53300, 40000);
332 }
333 }
334}
335
336/**
337 * amdgpu_vce_free_handles - free still open VCE handles
338 *
339 * @adev: amdgpu_device pointer
340 * @filp: drm file pointer
341 *
342 * Close all VCE handles still open by this file pointer
343 */
344void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
345{
346 struct amdgpu_ring *ring = &adev->vce.ring[0];
347 int i, r;
348 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
349 uint32_t handle = atomic_read(&adev->vce.handles[i]);
350 if (!handle || adev->vce.filp[i] != filp)
351 continue;
352
353 amdgpu_vce_note_usage(adev);
354
355 r = amdgpu_vce_get_destroy_msg(ring, handle, false, NULL);
356 if (r)
357 DRM_ERROR("Error destroying VCE handle (%d)!\n", r);
358
359 adev->vce.filp[i] = NULL;
360 atomic_set(&adev->vce.handles[i], 0);
361 }
362}
363
364/**
365 * amdgpu_vce_get_create_msg - generate a VCE create msg
366 *
367 * @adev: amdgpu_device pointer
368 * @ring: ring we should submit the msg to
369 * @handle: VCE session handle to use
370 * @fence: optional fence to return
371 *
372 * Open up a stream for HW test
373 */
374int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
375 struct fence **fence)
376{
377 const unsigned ib_size_dw = 1024;
378 struct amdgpu_job *job;
379 struct amdgpu_ib *ib;
380 struct fence *f = NULL;
381 uint64_t dummy;
382 int i, r;
383
384 r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
385 if (r)
386 return r;
387
388 ib = &job->ibs[0];
389
390 dummy = ib->gpu_addr + 1024;
391
392 /* stitch together an VCE create msg */
393 ib->length_dw = 0;
394 ib->ptr[ib->length_dw++] = 0x0000000c; /* len */
395 ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */
396 ib->ptr[ib->length_dw++] = handle;
397
398 if ((ring->adev->vce.fw_version >> 24) >= 52)
399 ib->ptr[ib->length_dw++] = 0x00000040; /* len */
400 else
401 ib->ptr[ib->length_dw++] = 0x00000030; /* len */
402 ib->ptr[ib->length_dw++] = 0x01000001; /* create cmd */
403 ib->ptr[ib->length_dw++] = 0x00000000;
404 ib->ptr[ib->length_dw++] = 0x00000042;
405 ib->ptr[ib->length_dw++] = 0x0000000a;
406 ib->ptr[ib->length_dw++] = 0x00000001;
407 ib->ptr[ib->length_dw++] = 0x00000080;
408 ib->ptr[ib->length_dw++] = 0x00000060;
409 ib->ptr[ib->length_dw++] = 0x00000100;
410 ib->ptr[ib->length_dw++] = 0x00000100;
411 ib->ptr[ib->length_dw++] = 0x0000000c;
412 ib->ptr[ib->length_dw++] = 0x00000000;
413 if ((ring->adev->vce.fw_version >> 24) >= 52) {
414 ib->ptr[ib->length_dw++] = 0x00000000;
415 ib->ptr[ib->length_dw++] = 0x00000000;
416 ib->ptr[ib->length_dw++] = 0x00000000;
417 ib->ptr[ib->length_dw++] = 0x00000000;
418 }
419
420 ib->ptr[ib->length_dw++] = 0x00000014; /* len */
421 ib->ptr[ib->length_dw++] = 0x05000005; /* feedback buffer */
422 ib->ptr[ib->length_dw++] = upper_32_bits(dummy);
423 ib->ptr[ib->length_dw++] = dummy;
424 ib->ptr[ib->length_dw++] = 0x00000001;
425
426 for (i = ib->length_dw; i < ib_size_dw; ++i)
427 ib->ptr[i] = 0x0;
428
429 r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f);
430 job->fence = f;
431 if (r)
432 goto err;
433
434 amdgpu_job_free(job);
435 if (fence)
436 *fence = fence_get(f);
437 fence_put(f);
438 return 0;
439
440err:
441 amdgpu_job_free(job);
442 return r;
443}
444
445/**
446 * amdgpu_vce_get_destroy_msg - generate a VCE destroy msg
447 *
448 * @adev: amdgpu_device pointer
449 * @ring: ring we should submit the msg to
450 * @handle: VCE session handle to use
451 * @fence: optional fence to return
452 *
453 * Close up a stream for HW test or if userspace failed to do so
454 */
455int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
456 bool direct, struct fence **fence)
457{
458 const unsigned ib_size_dw = 1024;
459 struct amdgpu_job *job;
460 struct amdgpu_ib *ib;
461 struct fence *f = NULL;
462 uint64_t dummy;
463 int i, r;
464
465 r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
466 if (r)
467 return r;
468
469 ib = &job->ibs[0];
470 dummy = ib->gpu_addr + 1024;
471
472 /* stitch together an VCE destroy msg */
473 ib->length_dw = 0;
474 ib->ptr[ib->length_dw++] = 0x0000000c; /* len */
475 ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */
476 ib->ptr[ib->length_dw++] = handle;
477
478 ib->ptr[ib->length_dw++] = 0x00000014; /* len */
479 ib->ptr[ib->length_dw++] = 0x05000005; /* feedback buffer */
480 ib->ptr[ib->length_dw++] = upper_32_bits(dummy);
481 ib->ptr[ib->length_dw++] = dummy;
482 ib->ptr[ib->length_dw++] = 0x00000001;
483
484 ib->ptr[ib->length_dw++] = 0x00000008; /* len */
485 ib->ptr[ib->length_dw++] = 0x02000001; /* destroy cmd */
486
487 for (i = ib->length_dw; i < ib_size_dw; ++i)
488 ib->ptr[i] = 0x0;
489
490 if (direct) {
491 r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f);
492 job->fence = f;
493 if (r)
494 goto err;
495
496 amdgpu_job_free(job);
497 } else {
498 r = amdgpu_job_submit(job, ring, &ring->adev->vce.entity,
499 AMDGPU_FENCE_OWNER_UNDEFINED, &f);
500 if (r)
501 goto err;
502 }
503
504 if (fence)
505 *fence = fence_get(f);
506 fence_put(f);
507 return 0;
508
509err:
510 amdgpu_job_free(job);
511 return r;
512}
513
514/**
515 * amdgpu_vce_cs_reloc - command submission relocation
516 *
517 * @p: parser context
518 * @lo: address of lower dword
519 * @hi: address of higher dword
520 * @size: minimum size
521 *
522 * Patch relocation inside command stream with real buffer address
523 */
524static int amdgpu_vce_cs_reloc(struct amdgpu_cs_parser *p, uint32_t ib_idx,
525 int lo, int hi, unsigned size, uint32_t index)
526{
527 struct amdgpu_bo_va_mapping *mapping;
528 struct amdgpu_bo *bo;
529 uint64_t addr;
530
531 if (index == 0xffffffff)
532 index = 0;
533
534 addr = ((uint64_t)amdgpu_get_ib_value(p, ib_idx, lo)) |
535 ((uint64_t)amdgpu_get_ib_value(p, ib_idx, hi)) << 32;
536 addr += ((uint64_t)size) * ((uint64_t)index);
537
538 mapping = amdgpu_cs_find_mapping(p, addr, &bo);
539 if (mapping == NULL) {
540 DRM_ERROR("Can't find BO for addr 0x%010Lx %d %d %d %d\n",
541 addr, lo, hi, size, index);
542 return -EINVAL;
543 }
544
545 if ((addr + (uint64_t)size) >
546 ((uint64_t)mapping->it.last + 1) * AMDGPU_GPU_PAGE_SIZE) {
547 DRM_ERROR("BO to small for addr 0x%010Lx %d %d\n",
548 addr, lo, hi);
549 return -EINVAL;
550 }
551
552 addr -= ((uint64_t)mapping->it.start) * AMDGPU_GPU_PAGE_SIZE;
553 addr += amdgpu_bo_gpu_offset(bo);
554 addr -= ((uint64_t)size) * ((uint64_t)index);
555
556 amdgpu_set_ib_value(p, ib_idx, lo, lower_32_bits(addr));
557 amdgpu_set_ib_value(p, ib_idx, hi, upper_32_bits(addr));
558
559 return 0;
560}
561
562/**
563 * amdgpu_vce_validate_handle - validate stream handle
564 *
565 * @p: parser context
566 * @handle: handle to validate
567 * @allocated: allocated a new handle?
568 *
569 * Validates the handle and return the found session index or -EINVAL
570 * we we don't have another free session index.
571 */
572static int amdgpu_vce_validate_handle(struct amdgpu_cs_parser *p,
573 uint32_t handle, bool *allocated)
574{
575 unsigned i;
576
577 *allocated = false;
578
579 /* validate the handle */
580 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
581 if (atomic_read(&p->adev->vce.handles[i]) == handle) {
582 if (p->adev->vce.filp[i] != p->filp) {
583 DRM_ERROR("VCE handle collision detected!\n");
584 return -EINVAL;
585 }
586 return i;
587 }
588 }
589
590 /* handle not found try to alloc a new one */
591 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
592 if (!atomic_cmpxchg(&p->adev->vce.handles[i], 0, handle)) {
593 p->adev->vce.filp[i] = p->filp;
594 p->adev->vce.img_size[i] = 0;
595 *allocated = true;
596 return i;
597 }
598 }
599
600 DRM_ERROR("No more free VCE handles!\n");
601 return -EINVAL;
602}
603
604/**
605 * amdgpu_vce_cs_parse - parse and validate the command stream
606 *
607 * @p: parser context
608 *
609 */
610int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx)
611{
612 struct amdgpu_ib *ib = &p->job->ibs[ib_idx];
613 unsigned fb_idx = 0, bs_idx = 0;
614 int session_idx = -1;
615 bool destroyed = false;
616 bool created = false;
617 bool allocated = false;
618 uint32_t tmp, handle = 0;
619 uint32_t *size = &tmp;
620 int i, r = 0, idx = 0;
621
622 amdgpu_vce_note_usage(p->adev);
623
624 while (idx < ib->length_dw) {
625 uint32_t len = amdgpu_get_ib_value(p, ib_idx, idx);
626 uint32_t cmd = amdgpu_get_ib_value(p, ib_idx, idx + 1);
627
628 if ((len < 8) || (len & 3)) {
629 DRM_ERROR("invalid VCE command length (%d)!\n", len);
630 r = -EINVAL;
631 goto out;
632 }
633
634 if (destroyed) {
635 DRM_ERROR("No other command allowed after destroy!\n");
636 r = -EINVAL;
637 goto out;
638 }
639
640 switch (cmd) {
641 case 0x00000001: // session
642 handle = amdgpu_get_ib_value(p, ib_idx, idx + 2);
643 session_idx = amdgpu_vce_validate_handle(p, handle,
644 &allocated);
645 if (session_idx < 0)
646 return session_idx;
647 size = &p->adev->vce.img_size[session_idx];
648 break;
649
650 case 0x00000002: // task info
651 fb_idx = amdgpu_get_ib_value(p, ib_idx, idx + 6);
652 bs_idx = amdgpu_get_ib_value(p, ib_idx, idx + 7);
653 break;
654
655 case 0x01000001: // create
656 created = true;
657 if (!allocated) {
658 DRM_ERROR("Handle already in use!\n");
659 r = -EINVAL;
660 goto out;
661 }
662
663 *size = amdgpu_get_ib_value(p, ib_idx, idx + 8) *
664 amdgpu_get_ib_value(p, ib_idx, idx + 10) *
665 8 * 3 / 2;
666 break;
667
668 case 0x04000001: // config extension
669 case 0x04000002: // pic control
670 case 0x04000005: // rate control
671 case 0x04000007: // motion estimation
672 case 0x04000008: // rdo
673 case 0x04000009: // vui
674 case 0x05000002: // auxiliary buffer
675 break;
676
677 case 0x03000001: // encode
678 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 10, idx + 9,
679 *size, 0);
680 if (r)
681 goto out;
682
683 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 12, idx + 11,
684 *size / 3, 0);
685 if (r)
686 goto out;
687 break;
688
689 case 0x02000001: // destroy
690 destroyed = true;
691 break;
692
693 case 0x05000001: // context buffer
694 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2,
695 *size * 2, 0);
696 if (r)
697 goto out;
698 break;
699
700 case 0x05000004: // video bitstream buffer
701 tmp = amdgpu_get_ib_value(p, ib_idx, idx + 4);
702 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2,
703 tmp, bs_idx);
704 if (r)
705 goto out;
706 break;
707
708 case 0x05000005: // feedback buffer
709 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2,
710 4096, fb_idx);
711 if (r)
712 goto out;
713 break;
714
715 default:
716 DRM_ERROR("invalid VCE command (0x%x)!\n", cmd);
717 r = -EINVAL;
718 goto out;
719 }
720
721 if (session_idx == -1) {
722 DRM_ERROR("no session command at start of IB\n");
723 r = -EINVAL;
724 goto out;
725 }
726
727 idx += len / 4;
728 }
729
730 if (allocated && !created) {
731 DRM_ERROR("New session without create command!\n");
732 r = -ENOENT;
733 }
734
735out:
736 if ((!r && destroyed) || (r && allocated)) {
737 /*
738 * IB contains a destroy msg or we have allocated an
739 * handle and got an error, anyway free the handle
740 */
741 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i)
742 atomic_cmpxchg(&p->adev->vce.handles[i], handle, 0);
743 }
744
745 return r;
746}
747
748/**
749 * amdgpu_vce_ring_emit_ib - execute indirect buffer
750 *
751 * @ring: engine to use
752 * @ib: the IB to execute
753 *
754 */
755void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib)
756{
757 amdgpu_ring_write(ring, VCE_CMD_IB);
758 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
759 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
760 amdgpu_ring_write(ring, ib->length_dw);
761}
762
763/**
764 * amdgpu_vce_ring_emit_fence - add a fence command to the ring
765 *
766 * @ring: engine to use
767 * @fence: the fence
768 *
769 */
770void amdgpu_vce_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
771 unsigned flags)
772{
773 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
774
775 amdgpu_ring_write(ring, VCE_CMD_FENCE);
776 amdgpu_ring_write(ring, addr);
777 amdgpu_ring_write(ring, upper_32_bits(addr));
778 amdgpu_ring_write(ring, seq);
779 amdgpu_ring_write(ring, VCE_CMD_TRAP);
780 amdgpu_ring_write(ring, VCE_CMD_END);
781}
782
783/**
784 * amdgpu_vce_ring_test_ring - test if VCE ring is working
785 *
786 * @ring: the engine to test on
787 *
788 */
789int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring)
790{
791 struct amdgpu_device *adev = ring->adev;
792 uint32_t rptr = amdgpu_ring_get_rptr(ring);
793 unsigned i;
794 int r;
795
796 r = amdgpu_ring_alloc(ring, 16);
797 if (r) {
798 DRM_ERROR("amdgpu: vce failed to lock ring %d (%d).\n",
799 ring->idx, r);
800 return r;
801 }
802 amdgpu_ring_write(ring, VCE_CMD_END);
803 amdgpu_ring_commit(ring);
804
805 for (i = 0; i < adev->usec_timeout; i++) {
806 if (amdgpu_ring_get_rptr(ring) != rptr)
807 break;
808 DRM_UDELAY(1);
809 }
810
811 if (i < adev->usec_timeout) {
812 DRM_INFO("ring test on %d succeeded in %d usecs\n",
813 ring->idx, i);
814 } else {
815 DRM_ERROR("amdgpu: ring %d test failed\n",
816 ring->idx);
817 r = -ETIMEDOUT;
818 }
819
820 return r;
821}
822
823/**
824 * amdgpu_vce_ring_test_ib - test if VCE IBs are working
825 *
826 * @ring: the engine to test on
827 *
828 */
829int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring)
830{
831 struct fence *fence = NULL;
832 int r;
833
834 /* skip vce ring1 ib test for now, since it's not reliable */
835 if (ring == &ring->adev->vce.ring[1])
836 return 0;
837
838 r = amdgpu_vce_get_create_msg(ring, 1, NULL);
839 if (r) {
840 DRM_ERROR("amdgpu: failed to get create msg (%d).\n", r);
841 goto error;
842 }
843
844 r = amdgpu_vce_get_destroy_msg(ring, 1, true, &fence);
845 if (r) {
846 DRM_ERROR("amdgpu: failed to get destroy ib (%d).\n", r);
847 goto error;
848 }
849
850 r = fence_wait(fence, false);
851 if (r) {
852 DRM_ERROR("amdgpu: fence wait failed (%d).\n", r);
853 } else {
854 DRM_INFO("ib test on ring %d succeeded\n", ring->idx);
855 }
856error:
857 fence_put(fence);
858 return r;
859}