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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 msecs_to_jiffies(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#define FIRMWARE_POLARIS10 "amdgpu/polaris10_vce.bin"
54#define FIRMWARE_POLARIS11 "amdgpu/polaris11_vce.bin"
55#define FIRMWARE_POLARIS12 "amdgpu/polaris12_vce.bin"
56
57#ifdef CONFIG_DRM_AMDGPU_CIK
58MODULE_FIRMWARE(FIRMWARE_BONAIRE);
59MODULE_FIRMWARE(FIRMWARE_KABINI);
60MODULE_FIRMWARE(FIRMWARE_KAVERI);
61MODULE_FIRMWARE(FIRMWARE_HAWAII);
62MODULE_FIRMWARE(FIRMWARE_MULLINS);
63#endif
64MODULE_FIRMWARE(FIRMWARE_TONGA);
65MODULE_FIRMWARE(FIRMWARE_CARRIZO);
66MODULE_FIRMWARE(FIRMWARE_FIJI);
67MODULE_FIRMWARE(FIRMWARE_STONEY);
68MODULE_FIRMWARE(FIRMWARE_POLARIS10);
69MODULE_FIRMWARE(FIRMWARE_POLARIS11);
70MODULE_FIRMWARE(FIRMWARE_POLARIS12);
71
72static void amdgpu_vce_idle_work_handler(struct work_struct *work);
73
74/**
75 * amdgpu_vce_init - allocate memory, load vce firmware
76 *
77 * @adev: amdgpu_device pointer
78 *
79 * First step to get VCE online, allocate memory and load the firmware
80 */
81int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size)
82{
83 struct amdgpu_ring *ring;
84 struct amd_sched_rq *rq;
85 const char *fw_name;
86 const struct common_firmware_header *hdr;
87 unsigned ucode_version, version_major, version_minor, binary_id;
88 int i, r;
89
90 switch (adev->asic_type) {
91#ifdef CONFIG_DRM_AMDGPU_CIK
92 case CHIP_BONAIRE:
93 fw_name = FIRMWARE_BONAIRE;
94 break;
95 case CHIP_KAVERI:
96 fw_name = FIRMWARE_KAVERI;
97 break;
98 case CHIP_KABINI:
99 fw_name = FIRMWARE_KABINI;
100 break;
101 case CHIP_HAWAII:
102 fw_name = FIRMWARE_HAWAII;
103 break;
104 case CHIP_MULLINS:
105 fw_name = FIRMWARE_MULLINS;
106 break;
107#endif
108 case CHIP_TONGA:
109 fw_name = FIRMWARE_TONGA;
110 break;
111 case CHIP_CARRIZO:
112 fw_name = FIRMWARE_CARRIZO;
113 break;
114 case CHIP_FIJI:
115 fw_name = FIRMWARE_FIJI;
116 break;
117 case CHIP_STONEY:
118 fw_name = FIRMWARE_STONEY;
119 break;
120 case CHIP_POLARIS10:
121 fw_name = FIRMWARE_POLARIS10;
122 break;
123 case CHIP_POLARIS11:
124 fw_name = FIRMWARE_POLARIS11;
125 break;
126 case CHIP_POLARIS12:
127 fw_name = FIRMWARE_POLARIS12;
128 break;
129
130 default:
131 return -EINVAL;
132 }
133
134 r = request_firmware(&adev->vce.fw, fw_name, adev->dev);
135 if (r) {
136 dev_err(adev->dev, "amdgpu_vce: Can't load firmware \"%s\"\n",
137 fw_name);
138 return r;
139 }
140
141 r = amdgpu_ucode_validate(adev->vce.fw);
142 if (r) {
143 dev_err(adev->dev, "amdgpu_vce: Can't validate firmware \"%s\"\n",
144 fw_name);
145 release_firmware(adev->vce.fw);
146 adev->vce.fw = NULL;
147 return r;
148 }
149
150 hdr = (const struct common_firmware_header *)adev->vce.fw->data;
151
152 ucode_version = le32_to_cpu(hdr->ucode_version);
153 version_major = (ucode_version >> 20) & 0xfff;
154 version_minor = (ucode_version >> 8) & 0xfff;
155 binary_id = ucode_version & 0xff;
156 DRM_INFO("Found VCE firmware Version: %hhd.%hhd Binary ID: %hhd\n",
157 version_major, version_minor, binary_id);
158 adev->vce.fw_version = ((version_major << 24) | (version_minor << 16) |
159 (binary_id << 8));
160
161 /* allocate firmware, stack and heap BO */
162
163 r = amdgpu_bo_create(adev, size, PAGE_SIZE, true,
164 AMDGPU_GEM_DOMAIN_VRAM,
165 AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
166 AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
167 NULL, NULL, &adev->vce.vcpu_bo);
168 if (r) {
169 dev_err(adev->dev, "(%d) failed to allocate VCE bo\n", r);
170 return r;
171 }
172
173 r = amdgpu_bo_reserve(adev->vce.vcpu_bo, false);
174 if (r) {
175 amdgpu_bo_unref(&adev->vce.vcpu_bo);
176 dev_err(adev->dev, "(%d) failed to reserve VCE bo\n", r);
177 return r;
178 }
179
180 r = amdgpu_bo_pin(adev->vce.vcpu_bo, AMDGPU_GEM_DOMAIN_VRAM,
181 &adev->vce.gpu_addr);
182 amdgpu_bo_unreserve(adev->vce.vcpu_bo);
183 if (r) {
184 amdgpu_bo_unref(&adev->vce.vcpu_bo);
185 dev_err(adev->dev, "(%d) VCE bo pin failed\n", r);
186 return r;
187 }
188
189
190 ring = &adev->vce.ring[0];
191 rq = &ring->sched.sched_rq[AMD_SCHED_PRIORITY_NORMAL];
192 r = amd_sched_entity_init(&ring->sched, &adev->vce.entity,
193 rq, amdgpu_sched_jobs);
194 if (r != 0) {
195 DRM_ERROR("Failed setting up VCE run queue.\n");
196 return r;
197 }
198
199 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
200 atomic_set(&adev->vce.handles[i], 0);
201 adev->vce.filp[i] = NULL;
202 }
203
204 INIT_DELAYED_WORK(&adev->vce.idle_work, amdgpu_vce_idle_work_handler);
205 mutex_init(&adev->vce.idle_mutex);
206
207 return 0;
208}
209
210/**
211 * amdgpu_vce_fini - free memory
212 *
213 * @adev: amdgpu_device pointer
214 *
215 * Last step on VCE teardown, free firmware memory
216 */
217int amdgpu_vce_sw_fini(struct amdgpu_device *adev)
218{
219 unsigned i;
220
221 if (adev->vce.vcpu_bo == NULL)
222 return 0;
223
224 amd_sched_entity_fini(&adev->vce.ring[0].sched, &adev->vce.entity);
225
226 amdgpu_bo_unref(&adev->vce.vcpu_bo);
227
228 for (i = 0; i < adev->vce.num_rings; i++)
229 amdgpu_ring_fini(&adev->vce.ring[i]);
230
231 release_firmware(adev->vce.fw);
232 mutex_destroy(&adev->vce.idle_mutex);
233
234 return 0;
235}
236
237/**
238 * amdgpu_vce_suspend - unpin VCE fw memory
239 *
240 * @adev: amdgpu_device pointer
241 *
242 */
243int amdgpu_vce_suspend(struct amdgpu_device *adev)
244{
245 int i;
246
247 if (adev->vce.vcpu_bo == NULL)
248 return 0;
249
250 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i)
251 if (atomic_read(&adev->vce.handles[i]))
252 break;
253
254 if (i == AMDGPU_MAX_VCE_HANDLES)
255 return 0;
256
257 cancel_delayed_work_sync(&adev->vce.idle_work);
258 /* TODO: suspending running encoding sessions isn't supported */
259 return -EINVAL;
260}
261
262/**
263 * amdgpu_vce_resume - pin VCE fw memory
264 *
265 * @adev: amdgpu_device pointer
266 *
267 */
268int amdgpu_vce_resume(struct amdgpu_device *adev)
269{
270 void *cpu_addr;
271 const struct common_firmware_header *hdr;
272 unsigned offset;
273 int r;
274
275 if (adev->vce.vcpu_bo == NULL)
276 return -EINVAL;
277
278 r = amdgpu_bo_reserve(adev->vce.vcpu_bo, false);
279 if (r) {
280 dev_err(adev->dev, "(%d) failed to reserve VCE bo\n", r);
281 return r;
282 }
283
284 r = amdgpu_bo_kmap(adev->vce.vcpu_bo, &cpu_addr);
285 if (r) {
286 amdgpu_bo_unreserve(adev->vce.vcpu_bo);
287 dev_err(adev->dev, "(%d) VCE map failed\n", r);
288 return r;
289 }
290
291 hdr = (const struct common_firmware_header *)adev->vce.fw->data;
292 offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
293 memcpy_toio(cpu_addr, adev->vce.fw->data + offset,
294 adev->vce.fw->size - offset);
295
296 amdgpu_bo_kunmap(adev->vce.vcpu_bo);
297
298 amdgpu_bo_unreserve(adev->vce.vcpu_bo);
299
300 return 0;
301}
302
303/**
304 * amdgpu_vce_idle_work_handler - power off VCE
305 *
306 * @work: pointer to work structure
307 *
308 * power of VCE when it's not used any more
309 */
310static void amdgpu_vce_idle_work_handler(struct work_struct *work)
311{
312 struct amdgpu_device *adev =
313 container_of(work, struct amdgpu_device, vce.idle_work.work);
314 unsigned i, count = 0;
315
316 for (i = 0; i < adev->vce.num_rings; i++)
317 count += amdgpu_fence_count_emitted(&adev->vce.ring[i]);
318
319 if (count == 0) {
320 if (adev->pm.dpm_enabled) {
321 amdgpu_dpm_enable_vce(adev, false);
322 } else {
323 amdgpu_asic_set_vce_clocks(adev, 0, 0);
324 }
325 } else {
326 schedule_delayed_work(&adev->vce.idle_work, VCE_IDLE_TIMEOUT);
327 }
328}
329
330/**
331 * amdgpu_vce_ring_begin_use - power up VCE
332 *
333 * @ring: amdgpu ring
334 *
335 * Make sure VCE is powerd up when we want to use it
336 */
337void amdgpu_vce_ring_begin_use(struct amdgpu_ring *ring)
338{
339 struct amdgpu_device *adev = ring->adev;
340 bool set_clocks;
341
342 mutex_lock(&adev->vce.idle_mutex);
343 set_clocks = !cancel_delayed_work_sync(&adev->vce.idle_work);
344 if (set_clocks) {
345 if (adev->pm.dpm_enabled) {
346 amdgpu_dpm_enable_vce(adev, true);
347 } else {
348 amdgpu_asic_set_vce_clocks(adev, 53300, 40000);
349 }
350 }
351 mutex_unlock(&adev->vce.idle_mutex);
352}
353
354/**
355 * amdgpu_vce_ring_end_use - power VCE down
356 *
357 * @ring: amdgpu ring
358 *
359 * Schedule work to power VCE down again
360 */
361void amdgpu_vce_ring_end_use(struct amdgpu_ring *ring)
362{
363 schedule_delayed_work(&ring->adev->vce.idle_work, VCE_IDLE_TIMEOUT);
364}
365
366/**
367 * amdgpu_vce_free_handles - free still open VCE handles
368 *
369 * @adev: amdgpu_device pointer
370 * @filp: drm file pointer
371 *
372 * Close all VCE handles still open by this file pointer
373 */
374void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
375{
376 struct amdgpu_ring *ring = &adev->vce.ring[0];
377 int i, r;
378 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
379 uint32_t handle = atomic_read(&adev->vce.handles[i]);
380
381 if (!handle || adev->vce.filp[i] != filp)
382 continue;
383
384 r = amdgpu_vce_get_destroy_msg(ring, handle, false, NULL);
385 if (r)
386 DRM_ERROR("Error destroying VCE handle (%d)!\n", r);
387
388 adev->vce.filp[i] = NULL;
389 atomic_set(&adev->vce.handles[i], 0);
390 }
391}
392
393/**
394 * amdgpu_vce_get_create_msg - generate a VCE create msg
395 *
396 * @adev: amdgpu_device pointer
397 * @ring: ring we should submit the msg to
398 * @handle: VCE session handle to use
399 * @fence: optional fence to return
400 *
401 * Open up a stream for HW test
402 */
403int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
404 struct dma_fence **fence)
405{
406 const unsigned ib_size_dw = 1024;
407 struct amdgpu_job *job;
408 struct amdgpu_ib *ib;
409 struct dma_fence *f = NULL;
410 uint64_t dummy;
411 int i, r;
412
413 r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
414 if (r)
415 return r;
416
417 ib = &job->ibs[0];
418
419 dummy = ib->gpu_addr + 1024;
420
421 /* stitch together an VCE create msg */
422 ib->length_dw = 0;
423 ib->ptr[ib->length_dw++] = 0x0000000c; /* len */
424 ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */
425 ib->ptr[ib->length_dw++] = handle;
426
427 if ((ring->adev->vce.fw_version >> 24) >= 52)
428 ib->ptr[ib->length_dw++] = 0x00000040; /* len */
429 else
430 ib->ptr[ib->length_dw++] = 0x00000030; /* len */
431 ib->ptr[ib->length_dw++] = 0x01000001; /* create cmd */
432 ib->ptr[ib->length_dw++] = 0x00000000;
433 ib->ptr[ib->length_dw++] = 0x00000042;
434 ib->ptr[ib->length_dw++] = 0x0000000a;
435 ib->ptr[ib->length_dw++] = 0x00000001;
436 ib->ptr[ib->length_dw++] = 0x00000080;
437 ib->ptr[ib->length_dw++] = 0x00000060;
438 ib->ptr[ib->length_dw++] = 0x00000100;
439 ib->ptr[ib->length_dw++] = 0x00000100;
440 ib->ptr[ib->length_dw++] = 0x0000000c;
441 ib->ptr[ib->length_dw++] = 0x00000000;
442 if ((ring->adev->vce.fw_version >> 24) >= 52) {
443 ib->ptr[ib->length_dw++] = 0x00000000;
444 ib->ptr[ib->length_dw++] = 0x00000000;
445 ib->ptr[ib->length_dw++] = 0x00000000;
446 ib->ptr[ib->length_dw++] = 0x00000000;
447 }
448
449 ib->ptr[ib->length_dw++] = 0x00000014; /* len */
450 ib->ptr[ib->length_dw++] = 0x05000005; /* feedback buffer */
451 ib->ptr[ib->length_dw++] = upper_32_bits(dummy);
452 ib->ptr[ib->length_dw++] = dummy;
453 ib->ptr[ib->length_dw++] = 0x00000001;
454
455 for (i = ib->length_dw; i < ib_size_dw; ++i)
456 ib->ptr[i] = 0x0;
457
458 r = amdgpu_ib_schedule(ring, 1, ib, NULL, NULL, &f);
459 job->fence = dma_fence_get(f);
460 if (r)
461 goto err;
462
463 amdgpu_job_free(job);
464 if (fence)
465 *fence = dma_fence_get(f);
466 dma_fence_put(f);
467 return 0;
468
469err:
470 amdgpu_job_free(job);
471 return r;
472}
473
474/**
475 * amdgpu_vce_get_destroy_msg - generate a VCE destroy msg
476 *
477 * @adev: amdgpu_device pointer
478 * @ring: ring we should submit the msg to
479 * @handle: VCE session handle to use
480 * @fence: optional fence to return
481 *
482 * Close up a stream for HW test or if userspace failed to do so
483 */
484int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
485 bool direct, struct dma_fence **fence)
486{
487 const unsigned ib_size_dw = 1024;
488 struct amdgpu_job *job;
489 struct amdgpu_ib *ib;
490 struct dma_fence *f = NULL;
491 int i, r;
492
493 r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4, &job);
494 if (r)
495 return r;
496
497 ib = &job->ibs[0];
498
499 /* stitch together an VCE destroy msg */
500 ib->length_dw = 0;
501 ib->ptr[ib->length_dw++] = 0x0000000c; /* len */
502 ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */
503 ib->ptr[ib->length_dw++] = handle;
504
505 ib->ptr[ib->length_dw++] = 0x00000020; /* len */
506 ib->ptr[ib->length_dw++] = 0x00000002; /* task info */
507 ib->ptr[ib->length_dw++] = 0xffffffff; /* next task info, set to 0xffffffff if no */
508 ib->ptr[ib->length_dw++] = 0x00000001; /* destroy session */
509 ib->ptr[ib->length_dw++] = 0x00000000;
510 ib->ptr[ib->length_dw++] = 0x00000000;
511 ib->ptr[ib->length_dw++] = 0xffffffff; /* feedback is not needed, set to 0xffffffff and firmware will not output feedback */
512 ib->ptr[ib->length_dw++] = 0x00000000;
513
514 ib->ptr[ib->length_dw++] = 0x00000008; /* len */
515 ib->ptr[ib->length_dw++] = 0x02000001; /* destroy cmd */
516
517 for (i = ib->length_dw; i < ib_size_dw; ++i)
518 ib->ptr[i] = 0x0;
519
520 if (direct) {
521 r = amdgpu_ib_schedule(ring, 1, ib, NULL, NULL, &f);
522 job->fence = dma_fence_get(f);
523 if (r)
524 goto err;
525
526 amdgpu_job_free(job);
527 } else {
528 r = amdgpu_job_submit(job, ring, &ring->adev->vce.entity,
529 AMDGPU_FENCE_OWNER_UNDEFINED, &f);
530 if (r)
531 goto err;
532 }
533
534 if (fence)
535 *fence = dma_fence_get(f);
536 dma_fence_put(f);
537 return 0;
538
539err:
540 amdgpu_job_free(job);
541 return r;
542}
543
544/**
545 * amdgpu_vce_cs_reloc - command submission relocation
546 *
547 * @p: parser context
548 * @lo: address of lower dword
549 * @hi: address of higher dword
550 * @size: minimum size
551 *
552 * Patch relocation inside command stream with real buffer address
553 */
554static int amdgpu_vce_cs_reloc(struct amdgpu_cs_parser *p, uint32_t ib_idx,
555 int lo, int hi, unsigned size, uint32_t index)
556{
557 struct amdgpu_bo_va_mapping *mapping;
558 struct amdgpu_bo *bo;
559 uint64_t addr;
560
561 if (index == 0xffffffff)
562 index = 0;
563
564 addr = ((uint64_t)amdgpu_get_ib_value(p, ib_idx, lo)) |
565 ((uint64_t)amdgpu_get_ib_value(p, ib_idx, hi)) << 32;
566 addr += ((uint64_t)size) * ((uint64_t)index);
567
568 mapping = amdgpu_cs_find_mapping(p, addr, &bo);
569 if (mapping == NULL) {
570 DRM_ERROR("Can't find BO for addr 0x%010Lx %d %d %d %d\n",
571 addr, lo, hi, size, index);
572 return -EINVAL;
573 }
574
575 if ((addr + (uint64_t)size) >
576 ((uint64_t)mapping->it.last + 1) * AMDGPU_GPU_PAGE_SIZE) {
577 DRM_ERROR("BO to small for addr 0x%010Lx %d %d\n",
578 addr, lo, hi);
579 return -EINVAL;
580 }
581
582 addr -= ((uint64_t)mapping->it.start) * AMDGPU_GPU_PAGE_SIZE;
583 addr += amdgpu_bo_gpu_offset(bo);
584 addr -= ((uint64_t)size) * ((uint64_t)index);
585
586 amdgpu_set_ib_value(p, ib_idx, lo, lower_32_bits(addr));
587 amdgpu_set_ib_value(p, ib_idx, hi, upper_32_bits(addr));
588
589 return 0;
590}
591
592/**
593 * amdgpu_vce_validate_handle - validate stream handle
594 *
595 * @p: parser context
596 * @handle: handle to validate
597 * @allocated: allocated a new handle?
598 *
599 * Validates the handle and return the found session index or -EINVAL
600 * we we don't have another free session index.
601 */
602static int amdgpu_vce_validate_handle(struct amdgpu_cs_parser *p,
603 uint32_t handle, uint32_t *allocated)
604{
605 unsigned i;
606
607 /* validate the handle */
608 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
609 if (atomic_read(&p->adev->vce.handles[i]) == handle) {
610 if (p->adev->vce.filp[i] != p->filp) {
611 DRM_ERROR("VCE handle collision detected!\n");
612 return -EINVAL;
613 }
614 return i;
615 }
616 }
617
618 /* handle not found try to alloc a new one */
619 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
620 if (!atomic_cmpxchg(&p->adev->vce.handles[i], 0, handle)) {
621 p->adev->vce.filp[i] = p->filp;
622 p->adev->vce.img_size[i] = 0;
623 *allocated |= 1 << i;
624 return i;
625 }
626 }
627
628 DRM_ERROR("No more free VCE handles!\n");
629 return -EINVAL;
630}
631
632/**
633 * amdgpu_vce_cs_parse - parse and validate the command stream
634 *
635 * @p: parser context
636 *
637 */
638int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx)
639{
640 struct amdgpu_ib *ib = &p->job->ibs[ib_idx];
641 unsigned fb_idx = 0, bs_idx = 0;
642 int session_idx = -1;
643 uint32_t destroyed = 0;
644 uint32_t created = 0;
645 uint32_t allocated = 0;
646 uint32_t tmp, handle = 0;
647 uint32_t *size = &tmp;
648 int i, r, idx = 0;
649
650 p->job->vm = NULL;
651 ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo);
652
653 r = amdgpu_cs_sysvm_access_required(p);
654 if (r)
655 return r;
656
657 while (idx < ib->length_dw) {
658 uint32_t len = amdgpu_get_ib_value(p, ib_idx, idx);
659 uint32_t cmd = amdgpu_get_ib_value(p, ib_idx, idx + 1);
660
661 if ((len < 8) || (len & 3)) {
662 DRM_ERROR("invalid VCE command length (%d)!\n", len);
663 r = -EINVAL;
664 goto out;
665 }
666
667 switch (cmd) {
668 case 0x00000001: /* session */
669 handle = amdgpu_get_ib_value(p, ib_idx, idx + 2);
670 session_idx = amdgpu_vce_validate_handle(p, handle,
671 &allocated);
672 if (session_idx < 0) {
673 r = session_idx;
674 goto out;
675 }
676 size = &p->adev->vce.img_size[session_idx];
677 break;
678
679 case 0x00000002: /* task info */
680 fb_idx = amdgpu_get_ib_value(p, ib_idx, idx + 6);
681 bs_idx = amdgpu_get_ib_value(p, ib_idx, idx + 7);
682 break;
683
684 case 0x01000001: /* create */
685 created |= 1 << session_idx;
686 if (destroyed & (1 << session_idx)) {
687 destroyed &= ~(1 << session_idx);
688 allocated |= 1 << session_idx;
689
690 } else if (!(allocated & (1 << session_idx))) {
691 DRM_ERROR("Handle already in use!\n");
692 r = -EINVAL;
693 goto out;
694 }
695
696 *size = amdgpu_get_ib_value(p, ib_idx, idx + 8) *
697 amdgpu_get_ib_value(p, ib_idx, idx + 10) *
698 8 * 3 / 2;
699 break;
700
701 case 0x04000001: /* config extension */
702 case 0x04000002: /* pic control */
703 case 0x04000005: /* rate control */
704 case 0x04000007: /* motion estimation */
705 case 0x04000008: /* rdo */
706 case 0x04000009: /* vui */
707 case 0x05000002: /* auxiliary buffer */
708 case 0x05000009: /* clock table */
709 break;
710
711 case 0x0500000c: /* hw config */
712 switch (p->adev->asic_type) {
713#ifdef CONFIG_DRM_AMDGPU_CIK
714 case CHIP_KAVERI:
715 case CHIP_MULLINS:
716#endif
717 case CHIP_CARRIZO:
718 break;
719 default:
720 r = -EINVAL;
721 goto out;
722 }
723 break;
724
725 case 0x03000001: /* encode */
726 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 10, idx + 9,
727 *size, 0);
728 if (r)
729 goto out;
730
731 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 12, idx + 11,
732 *size / 3, 0);
733 if (r)
734 goto out;
735 break;
736
737 case 0x02000001: /* destroy */
738 destroyed |= 1 << session_idx;
739 break;
740
741 case 0x05000001: /* context buffer */
742 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2,
743 *size * 2, 0);
744 if (r)
745 goto out;
746 break;
747
748 case 0x05000004: /* video bitstream buffer */
749 tmp = amdgpu_get_ib_value(p, ib_idx, idx + 4);
750 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2,
751 tmp, bs_idx);
752 if (r)
753 goto out;
754 break;
755
756 case 0x05000005: /* feedback buffer */
757 r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2,
758 4096, fb_idx);
759 if (r)
760 goto out;
761 break;
762
763 default:
764 DRM_ERROR("invalid VCE command (0x%x)!\n", cmd);
765 r = -EINVAL;
766 goto out;
767 }
768
769 if (session_idx == -1) {
770 DRM_ERROR("no session command at start of IB\n");
771 r = -EINVAL;
772 goto out;
773 }
774
775 idx += len / 4;
776 }
777
778 if (allocated & ~created) {
779 DRM_ERROR("New session without create command!\n");
780 r = -ENOENT;
781 }
782
783out:
784 if (!r) {
785 /* No error, free all destroyed handle slots */
786 tmp = destroyed;
787 } else {
788 /* Error during parsing, free all allocated handle slots */
789 tmp = allocated;
790 }
791
792 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i)
793 if (tmp & (1 << i))
794 atomic_set(&p->adev->vce.handles[i], 0);
795
796 return r;
797}
798
799/**
800 * amdgpu_vce_cs_parse_vm - parse the command stream in VM mode
801 *
802 * @p: parser context
803 *
804 */
805int amdgpu_vce_ring_parse_cs_vm(struct amdgpu_cs_parser *p, uint32_t ib_idx)
806{
807 struct amdgpu_ib *ib = &p->job->ibs[ib_idx];
808 int session_idx = -1;
809 uint32_t destroyed = 0;
810 uint32_t created = 0;
811 uint32_t allocated = 0;
812 uint32_t tmp, handle = 0;
813 int i, r = 0, idx = 0;
814
815 while (idx < ib->length_dw) {
816 uint32_t len = amdgpu_get_ib_value(p, ib_idx, idx);
817 uint32_t cmd = amdgpu_get_ib_value(p, ib_idx, idx + 1);
818
819 if ((len < 8) || (len & 3)) {
820 DRM_ERROR("invalid VCE command length (%d)!\n", len);
821 r = -EINVAL;
822 goto out;
823 }
824
825 switch (cmd) {
826 case 0x00000001: /* session */
827 handle = amdgpu_get_ib_value(p, ib_idx, idx + 2);
828 session_idx = amdgpu_vce_validate_handle(p, handle,
829 &allocated);
830 if (session_idx < 0) {
831 r = session_idx;
832 goto out;
833 }
834 break;
835
836 case 0x01000001: /* create */
837 created |= 1 << session_idx;
838 if (destroyed & (1 << session_idx)) {
839 destroyed &= ~(1 << session_idx);
840 allocated |= 1 << session_idx;
841
842 } else if (!(allocated & (1 << session_idx))) {
843 DRM_ERROR("Handle already in use!\n");
844 r = -EINVAL;
845 goto out;
846 }
847
848 break;
849
850 case 0x02000001: /* destroy */
851 destroyed |= 1 << session_idx;
852 break;
853
854 default:
855 break;
856 }
857
858 if (session_idx == -1) {
859 DRM_ERROR("no session command at start of IB\n");
860 r = -EINVAL;
861 goto out;
862 }
863
864 idx += len / 4;
865 }
866
867 if (allocated & ~created) {
868 DRM_ERROR("New session without create command!\n");
869 r = -ENOENT;
870 }
871
872out:
873 if (!r) {
874 /* No error, free all destroyed handle slots */
875 tmp = destroyed;
876 amdgpu_ib_free(p->adev, ib, NULL);
877 } else {
878 /* Error during parsing, free all allocated handle slots */
879 tmp = allocated;
880 }
881
882 for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i)
883 if (tmp & (1 << i))
884 atomic_set(&p->adev->vce.handles[i], 0);
885
886 return r;
887}
888
889/**
890 * amdgpu_vce_ring_emit_ib - execute indirect buffer
891 *
892 * @ring: engine to use
893 * @ib: the IB to execute
894 *
895 */
896void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib,
897 unsigned vm_id, bool ctx_switch)
898{
899 amdgpu_ring_write(ring, VCE_CMD_IB);
900 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
901 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
902 amdgpu_ring_write(ring, ib->length_dw);
903}
904
905/**
906 * amdgpu_vce_ring_emit_fence - add a fence command to the ring
907 *
908 * @ring: engine to use
909 * @fence: the fence
910 *
911 */
912void amdgpu_vce_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
913 unsigned flags)
914{
915 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
916
917 amdgpu_ring_write(ring, VCE_CMD_FENCE);
918 amdgpu_ring_write(ring, addr);
919 amdgpu_ring_write(ring, upper_32_bits(addr));
920 amdgpu_ring_write(ring, seq);
921 amdgpu_ring_write(ring, VCE_CMD_TRAP);
922 amdgpu_ring_write(ring, VCE_CMD_END);
923}
924
925/**
926 * amdgpu_vce_ring_test_ring - test if VCE ring is working
927 *
928 * @ring: the engine to test on
929 *
930 */
931int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring)
932{
933 struct amdgpu_device *adev = ring->adev;
934 uint32_t rptr = amdgpu_ring_get_rptr(ring);
935 unsigned i;
936 int r;
937
938 r = amdgpu_ring_alloc(ring, 16);
939 if (r) {
940 DRM_ERROR("amdgpu: vce failed to lock ring %d (%d).\n",
941 ring->idx, r);
942 return r;
943 }
944 amdgpu_ring_write(ring, VCE_CMD_END);
945 amdgpu_ring_commit(ring);
946
947 for (i = 0; i < adev->usec_timeout; i++) {
948 if (amdgpu_ring_get_rptr(ring) != rptr)
949 break;
950 DRM_UDELAY(1);
951 }
952
953 if (i < adev->usec_timeout) {
954 DRM_INFO("ring test on %d succeeded in %d usecs\n",
955 ring->idx, i);
956 } else {
957 DRM_ERROR("amdgpu: ring %d test failed\n",
958 ring->idx);
959 r = -ETIMEDOUT;
960 }
961
962 return r;
963}
964
965/**
966 * amdgpu_vce_ring_test_ib - test if VCE IBs are working
967 *
968 * @ring: the engine to test on
969 *
970 */
971int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout)
972{
973 struct dma_fence *fence = NULL;
974 long r;
975
976 /* skip vce ring1/2 ib test for now, since it's not reliable */
977 if (ring != &ring->adev->vce.ring[0])
978 return 0;
979
980 r = amdgpu_vce_get_create_msg(ring, 1, NULL);
981 if (r) {
982 DRM_ERROR("amdgpu: failed to get create msg (%ld).\n", r);
983 goto error;
984 }
985
986 r = amdgpu_vce_get_destroy_msg(ring, 1, true, &fence);
987 if (r) {
988 DRM_ERROR("amdgpu: failed to get destroy ib (%ld).\n", r);
989 goto error;
990 }
991
992 r = dma_fence_wait_timeout(fence, false, timeout);
993 if (r == 0) {
994 DRM_ERROR("amdgpu: IB test timed out.\n");
995 r = -ETIMEDOUT;
996 } else if (r < 0) {
997 DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r);
998 } else {
999 DRM_INFO("ib test on ring %d succeeded\n", ring->idx);
1000 r = 0;
1001 }
1002error:
1003 dma_fence_put(fence);
1004 return r;
1005}