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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
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 reg, count;
100 unsigned data0, data1;
101 unsigned 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 *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 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 = request_firmware(&adev->uvd.fw, fw_name, adev->dev);
264 if (r) {
265 dev_err(adev->dev, "amdgpu_uvd: Can't load firmware \"%s\"\n",
266 fw_name);
267 return r;
268 }
269
270 r = amdgpu_ucode_validate(adev->uvd.fw);
271 if (r) {
272 dev_err(adev->dev, "amdgpu_uvd: Can't validate firmware \"%s\"\n",
273 fw_name);
274 release_firmware(adev->uvd.fw);
275 adev->uvd.fw = NULL;
276 return r;
277 }
278
279 /* Set the default UVD handles that the firmware can handle */
280 adev->uvd.max_handles = AMDGPU_DEFAULT_UVD_HANDLES;
281
282 hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
283 family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
284
285 if (adev->asic_type < CHIP_VEGA20) {
286 unsigned version_major, version_minor;
287
288 version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
289 version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
290 DRM_INFO("Found UVD firmware Version: %u.%u Family ID: %u\n",
291 version_major, version_minor, family_id);
292
293 /*
294 * Limit the number of UVD handles depending on microcode major
295 * and minor versions. The firmware version which has 40 UVD
296 * instances support is 1.80. So all subsequent versions should
297 * also have the same support.
298 */
299 if ((version_major > 0x01) ||
300 ((version_major == 0x01) && (version_minor >= 0x50)))
301 adev->uvd.max_handles = AMDGPU_MAX_UVD_HANDLES;
302
303 adev->uvd.fw_version = ((version_major << 24) | (version_minor << 16) |
304 (family_id << 8));
305
306 if ((adev->asic_type == CHIP_POLARIS10 ||
307 adev->asic_type == CHIP_POLARIS11) &&
308 (adev->uvd.fw_version < FW_1_66_16))
309 DRM_ERROR("POLARIS10/11 UVD firmware version %u.%u is too old.\n",
310 version_major, version_minor);
311 } else {
312 unsigned int enc_major, enc_minor, dec_minor;
313
314 dec_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
315 enc_minor = (le32_to_cpu(hdr->ucode_version) >> 24) & 0x3f;
316 enc_major = (le32_to_cpu(hdr->ucode_version) >> 30) & 0x3;
317 DRM_INFO("Found UVD firmware ENC: %u.%u DEC: .%u Family ID: %u\n",
318 enc_major, enc_minor, dec_minor, family_id);
319
320 adev->uvd.max_handles = AMDGPU_MAX_UVD_HANDLES;
321
322 adev->uvd.fw_version = le32_to_cpu(hdr->ucode_version);
323 }
324
325 bo_size = AMDGPU_UVD_STACK_SIZE + AMDGPU_UVD_HEAP_SIZE
326 + AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles;
327 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
328 bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
329
330 for (j = 0; j < adev->uvd.num_uvd_inst; j++) {
331 if (adev->uvd.harvest_config & (1 << j))
332 continue;
333 r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
334 AMDGPU_GEM_DOMAIN_VRAM, &adev->uvd.inst[j].vcpu_bo,
335 &adev->uvd.inst[j].gpu_addr, &adev->uvd.inst[j].cpu_addr);
336 if (r) {
337 dev_err(adev->dev, "(%d) failed to allocate UVD bo\n", r);
338 return r;
339 }
340 }
341
342 for (i = 0; i < adev->uvd.max_handles; ++i) {
343 atomic_set(&adev->uvd.handles[i], 0);
344 adev->uvd.filp[i] = NULL;
345 }
346
347 /* from uvd v5.0 HW addressing capacity increased to 64 bits */
348 if (!amdgpu_device_ip_block_version_cmp(adev, AMD_IP_BLOCK_TYPE_UVD, 5, 0))
349 adev->uvd.address_64_bit = true;
350
351 r = amdgpu_uvd_create_msg_bo_helper(adev, 128 << 10, &adev->uvd.ib_bo);
352 if (r)
353 return r;
354
355 switch (adev->asic_type) {
356 case CHIP_TONGA:
357 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_65_10;
358 break;
359 case CHIP_CARRIZO:
360 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_87_11;
361 break;
362 case CHIP_FIJI:
363 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_87_12;
364 break;
365 case CHIP_STONEY:
366 adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_37_15;
367 break;
368 default:
369 adev->uvd.use_ctx_buf = adev->asic_type >= CHIP_POLARIS10;
370 }
371
372 return 0;
373}
374
375int amdgpu_uvd_sw_fini(struct amdgpu_device *adev)
376{
377 void *addr = amdgpu_bo_kptr(adev->uvd.ib_bo);
378 int i, j;
379
380 drm_sched_entity_destroy(&adev->uvd.entity);
381
382 for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
383 if (adev->uvd.harvest_config & (1 << j))
384 continue;
385 kvfree(adev->uvd.inst[j].saved_bo);
386
387 amdgpu_bo_free_kernel(&adev->uvd.inst[j].vcpu_bo,
388 &adev->uvd.inst[j].gpu_addr,
389 (void **)&adev->uvd.inst[j].cpu_addr);
390
391 amdgpu_ring_fini(&adev->uvd.inst[j].ring);
392
393 for (i = 0; i < AMDGPU_MAX_UVD_ENC_RINGS; ++i)
394 amdgpu_ring_fini(&adev->uvd.inst[j].ring_enc[i]);
395 }
396 amdgpu_bo_free_kernel(&adev->uvd.ib_bo, NULL, &addr);
397 release_firmware(adev->uvd.fw);
398
399 return 0;
400}
401
402/**
403 * amdgpu_uvd_entity_init - init entity
404 *
405 * @adev: amdgpu_device pointer
406 *
407 */
408int amdgpu_uvd_entity_init(struct amdgpu_device *adev)
409{
410 struct amdgpu_ring *ring;
411 struct drm_gpu_scheduler *sched;
412 int r;
413
414 ring = &adev->uvd.inst[0].ring;
415 sched = &ring->sched;
416 r = drm_sched_entity_init(&adev->uvd.entity, DRM_SCHED_PRIORITY_NORMAL,
417 &sched, 1, NULL);
418 if (r) {
419 DRM_ERROR("Failed setting up UVD kernel entity.\n");
420 return r;
421 }
422
423 return 0;
424}
425
426int amdgpu_uvd_suspend(struct amdgpu_device *adev)
427{
428 unsigned size;
429 void *ptr;
430 int i, j, idx;
431 bool in_ras_intr = amdgpu_ras_intr_triggered();
432
433 cancel_delayed_work_sync(&adev->uvd.idle_work);
434
435 /* only valid for physical mode */
436 if (adev->asic_type < CHIP_POLARIS10) {
437 for (i = 0; i < adev->uvd.max_handles; ++i)
438 if (atomic_read(&adev->uvd.handles[i]))
439 break;
440
441 if (i == adev->uvd.max_handles)
442 return 0;
443 }
444
445 for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
446 if (adev->uvd.harvest_config & (1 << j))
447 continue;
448 if (adev->uvd.inst[j].vcpu_bo == NULL)
449 continue;
450
451 size = amdgpu_bo_size(adev->uvd.inst[j].vcpu_bo);
452 ptr = adev->uvd.inst[j].cpu_addr;
453
454 adev->uvd.inst[j].saved_bo = kvmalloc(size, GFP_KERNEL);
455 if (!adev->uvd.inst[j].saved_bo)
456 return -ENOMEM;
457
458 if (drm_dev_enter(adev_to_drm(adev), &idx)) {
459 /* re-write 0 since err_event_athub will corrupt VCPU buffer */
460 if (in_ras_intr)
461 memset(adev->uvd.inst[j].saved_bo, 0, size);
462 else
463 memcpy_fromio(adev->uvd.inst[j].saved_bo, ptr, size);
464
465 drm_dev_exit(idx);
466 }
467 }
468
469 if (in_ras_intr)
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 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 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 for (i = 0; i < abo->placement.num_placement; ++i) {
551 abo->placements[i].fpfn = 0 >> PAGE_SHIFT;
552 abo->placements[i].lpfn = (256 * 1024 * 1024) >> PAGE_SHIFT;
553 }
554}
555
556static u64 amdgpu_uvd_get_addr_from_ctx(struct amdgpu_uvd_cs_ctx *ctx)
557{
558 uint32_t lo, hi;
559 uint64_t addr;
560
561 lo = amdgpu_ib_get_value(ctx->ib, ctx->data0);
562 hi = amdgpu_ib_get_value(ctx->ib, ctx->data1);
563 addr = ((uint64_t)lo) | (((uint64_t)hi) << 32);
564
565 return addr;
566}
567
568/**
569 * amdgpu_uvd_cs_pass1 - first parsing round
570 *
571 * @ctx: UVD parser context
572 *
573 * Make sure UVD message and feedback buffers are in VRAM and
574 * nobody is violating an 256MB boundary.
575 */
576static int amdgpu_uvd_cs_pass1(struct amdgpu_uvd_cs_ctx *ctx)
577{
578 struct ttm_operation_ctx tctx = { false, false };
579 struct amdgpu_bo_va_mapping *mapping;
580 struct amdgpu_bo *bo;
581 uint32_t cmd;
582 uint64_t addr = amdgpu_uvd_get_addr_from_ctx(ctx);
583 int r = 0;
584
585 r = amdgpu_cs_find_mapping(ctx->parser, addr, &bo, &mapping);
586 if (r) {
587 DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr);
588 return r;
589 }
590
591 if (!ctx->parser->adev->uvd.address_64_bit) {
592 /* check if it's a message or feedback command */
593 cmd = amdgpu_ib_get_value(ctx->ib, ctx->idx) >> 1;
594 if (cmd == 0x0 || cmd == 0x3) {
595 /* yes, force it into VRAM */
596 uint32_t domain = AMDGPU_GEM_DOMAIN_VRAM;
597 amdgpu_bo_placement_from_domain(bo, domain);
598 }
599 amdgpu_uvd_force_into_uvd_segment(bo);
600
601 r = ttm_bo_validate(&bo->tbo, &bo->placement, &tctx);
602 }
603
604 return r;
605}
606
607/**
608 * amdgpu_uvd_cs_msg_decode - handle UVD decode message
609 *
610 * @adev: amdgpu_device pointer
611 * @msg: pointer to message structure
612 * @buf_sizes: placeholder to put the different buffer lengths
613 *
614 * Peek into the decode message and calculate the necessary buffer sizes.
615 */
616static int amdgpu_uvd_cs_msg_decode(struct amdgpu_device *adev, uint32_t *msg,
617 unsigned buf_sizes[])
618{
619 unsigned stream_type = msg[4];
620 unsigned width = msg[6];
621 unsigned height = msg[7];
622 unsigned dpb_size = msg[9];
623 unsigned pitch = msg[28];
624 unsigned level = msg[57];
625
626 unsigned width_in_mb = width / 16;
627 unsigned height_in_mb = ALIGN(height / 16, 2);
628 unsigned fs_in_mb = width_in_mb * height_in_mb;
629
630 unsigned image_size, tmp, min_dpb_size, num_dpb_buffer;
631 unsigned min_ctx_size = ~0;
632
633 image_size = width * height;
634 image_size += image_size / 2;
635 image_size = ALIGN(image_size, 1024);
636
637 switch (stream_type) {
638 case 0: /* H264 */
639 switch(level) {
640 case 30:
641 num_dpb_buffer = 8100 / fs_in_mb;
642 break;
643 case 31:
644 num_dpb_buffer = 18000 / fs_in_mb;
645 break;
646 case 32:
647 num_dpb_buffer = 20480 / fs_in_mb;
648 break;
649 case 41:
650 num_dpb_buffer = 32768 / fs_in_mb;
651 break;
652 case 42:
653 num_dpb_buffer = 34816 / fs_in_mb;
654 break;
655 case 50:
656 num_dpb_buffer = 110400 / fs_in_mb;
657 break;
658 case 51:
659 num_dpb_buffer = 184320 / fs_in_mb;
660 break;
661 default:
662 num_dpb_buffer = 184320 / fs_in_mb;
663 break;
664 }
665 num_dpb_buffer++;
666 if (num_dpb_buffer > 17)
667 num_dpb_buffer = 17;
668
669 /* reference picture buffer */
670 min_dpb_size = image_size * num_dpb_buffer;
671
672 /* macroblock context buffer */
673 min_dpb_size += width_in_mb * height_in_mb * num_dpb_buffer * 192;
674
675 /* IT surface buffer */
676 min_dpb_size += width_in_mb * height_in_mb * 32;
677 break;
678
679 case 1: /* VC1 */
680
681 /* reference picture buffer */
682 min_dpb_size = image_size * 3;
683
684 /* CONTEXT_BUFFER */
685 min_dpb_size += width_in_mb * height_in_mb * 128;
686
687 /* IT surface buffer */
688 min_dpb_size += width_in_mb * 64;
689
690 /* DB surface buffer */
691 min_dpb_size += width_in_mb * 128;
692
693 /* BP */
694 tmp = max(width_in_mb, height_in_mb);
695 min_dpb_size += ALIGN(tmp * 7 * 16, 64);
696 break;
697
698 case 3: /* MPEG2 */
699
700 /* reference picture buffer */
701 min_dpb_size = image_size * 3;
702 break;
703
704 case 4: /* MPEG4 */
705
706 /* reference picture buffer */
707 min_dpb_size = image_size * 3;
708
709 /* CM */
710 min_dpb_size += width_in_mb * height_in_mb * 64;
711
712 /* IT surface buffer */
713 min_dpb_size += ALIGN(width_in_mb * height_in_mb * 32, 64);
714 break;
715
716 case 7: /* H264 Perf */
717 switch(level) {
718 case 30:
719 num_dpb_buffer = 8100 / fs_in_mb;
720 break;
721 case 31:
722 num_dpb_buffer = 18000 / fs_in_mb;
723 break;
724 case 32:
725 num_dpb_buffer = 20480 / fs_in_mb;
726 break;
727 case 41:
728 num_dpb_buffer = 32768 / fs_in_mb;
729 break;
730 case 42:
731 num_dpb_buffer = 34816 / fs_in_mb;
732 break;
733 case 50:
734 num_dpb_buffer = 110400 / fs_in_mb;
735 break;
736 case 51:
737 num_dpb_buffer = 184320 / fs_in_mb;
738 break;
739 default:
740 num_dpb_buffer = 184320 / fs_in_mb;
741 break;
742 }
743 num_dpb_buffer++;
744 if (num_dpb_buffer > 17)
745 num_dpb_buffer = 17;
746
747 /* reference picture buffer */
748 min_dpb_size = image_size * num_dpb_buffer;
749
750 if (!adev->uvd.use_ctx_buf){
751 /* macroblock context buffer */
752 min_dpb_size +=
753 width_in_mb * height_in_mb * num_dpb_buffer * 192;
754
755 /* IT surface buffer */
756 min_dpb_size += width_in_mb * height_in_mb * 32;
757 } else {
758 /* macroblock context buffer */
759 min_ctx_size =
760 width_in_mb * height_in_mb * num_dpb_buffer * 192;
761 }
762 break;
763
764 case 8: /* MJPEG */
765 min_dpb_size = 0;
766 break;
767
768 case 16: /* H265 */
769 image_size = (ALIGN(width, 16) * ALIGN(height, 16) * 3) / 2;
770 image_size = ALIGN(image_size, 256);
771
772 num_dpb_buffer = (le32_to_cpu(msg[59]) & 0xff) + 2;
773 min_dpb_size = image_size * num_dpb_buffer;
774 min_ctx_size = ((width + 255) / 16) * ((height + 255) / 16)
775 * 16 * num_dpb_buffer + 52 * 1024;
776 break;
777
778 default:
779 DRM_ERROR("UVD codec not handled %d!\n", stream_type);
780 return -EINVAL;
781 }
782
783 if (width > pitch) {
784 DRM_ERROR("Invalid UVD decoding target pitch!\n");
785 return -EINVAL;
786 }
787
788 if (dpb_size < min_dpb_size) {
789 DRM_ERROR("Invalid dpb_size in UVD message (%d / %d)!\n",
790 dpb_size, min_dpb_size);
791 return -EINVAL;
792 }
793
794 buf_sizes[0x1] = dpb_size;
795 buf_sizes[0x2] = image_size;
796 buf_sizes[0x4] = min_ctx_size;
797 /* store image width to adjust nb memory pstate */
798 adev->uvd.decode_image_width = width;
799 return 0;
800}
801
802/**
803 * amdgpu_uvd_cs_msg - handle UVD message
804 *
805 * @ctx: UVD parser context
806 * @bo: buffer object containing the message
807 * @offset: offset into the buffer object
808 *
809 * Peek into the UVD message and extract the session id.
810 * Make sure that we don't open up to many sessions.
811 */
812static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
813 struct amdgpu_bo *bo, unsigned offset)
814{
815 struct amdgpu_device *adev = ctx->parser->adev;
816 int32_t *msg, msg_type, handle;
817 void *ptr;
818 long r;
819 int i;
820
821 if (offset & 0x3F) {
822 DRM_ERROR("UVD messages must be 64 byte aligned!\n");
823 return -EINVAL;
824 }
825
826 r = amdgpu_bo_kmap(bo, &ptr);
827 if (r) {
828 DRM_ERROR("Failed mapping the UVD) message (%ld)!\n", r);
829 return r;
830 }
831
832 msg = ptr + offset;
833
834 msg_type = msg[1];
835 handle = msg[2];
836
837 if (handle == 0) {
838 amdgpu_bo_kunmap(bo);
839 DRM_ERROR("Invalid UVD handle!\n");
840 return -EINVAL;
841 }
842
843 switch (msg_type) {
844 case 0:
845 /* it's a create msg, calc image size (width * height) */
846 amdgpu_bo_kunmap(bo);
847
848 /* try to alloc a new handle */
849 for (i = 0; i < adev->uvd.max_handles; ++i) {
850 if (atomic_read(&adev->uvd.handles[i]) == handle) {
851 DRM_ERROR(")Handle 0x%x already in use!\n",
852 handle);
853 return -EINVAL;
854 }
855
856 if (!atomic_cmpxchg(&adev->uvd.handles[i], 0, handle)) {
857 adev->uvd.filp[i] = ctx->parser->filp;
858 return 0;
859 }
860 }
861
862 DRM_ERROR("No more free UVD handles!\n");
863 return -ENOSPC;
864
865 case 1:
866 /* it's a decode msg, calc buffer sizes */
867 r = amdgpu_uvd_cs_msg_decode(adev, msg, ctx->buf_sizes);
868 amdgpu_bo_kunmap(bo);
869 if (r)
870 return r;
871
872 /* validate the handle */
873 for (i = 0; i < adev->uvd.max_handles; ++i) {
874 if (atomic_read(&adev->uvd.handles[i]) == handle) {
875 if (adev->uvd.filp[i] != ctx->parser->filp) {
876 DRM_ERROR("UVD handle collision detected!\n");
877 return -EINVAL;
878 }
879 return 0;
880 }
881 }
882
883 DRM_ERROR("Invalid UVD handle 0x%x!\n", handle);
884 return -ENOENT;
885
886 case 2:
887 /* it's a destroy msg, free the handle */
888 for (i = 0; i < adev->uvd.max_handles; ++i)
889 atomic_cmpxchg(&adev->uvd.handles[i], handle, 0);
890 amdgpu_bo_kunmap(bo);
891 return 0;
892
893 default:
894 DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
895 }
896
897 amdgpu_bo_kunmap(bo);
898 return -EINVAL;
899}
900
901/**
902 * amdgpu_uvd_cs_pass2 - second parsing round
903 *
904 * @ctx: UVD parser context
905 *
906 * Patch buffer addresses, make sure buffer sizes are correct.
907 */
908static int amdgpu_uvd_cs_pass2(struct amdgpu_uvd_cs_ctx *ctx)
909{
910 struct amdgpu_bo_va_mapping *mapping;
911 struct amdgpu_bo *bo;
912 uint32_t cmd;
913 uint64_t start, end;
914 uint64_t addr = amdgpu_uvd_get_addr_from_ctx(ctx);
915 int r;
916
917 r = amdgpu_cs_find_mapping(ctx->parser, addr, &bo, &mapping);
918 if (r) {
919 DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr);
920 return r;
921 }
922
923 start = amdgpu_bo_gpu_offset(bo);
924
925 end = (mapping->last + 1 - mapping->start);
926 end = end * AMDGPU_GPU_PAGE_SIZE + start;
927
928 addr -= mapping->start * AMDGPU_GPU_PAGE_SIZE;
929 start += addr;
930
931 amdgpu_ib_set_value(ctx->ib, ctx->data0, lower_32_bits(start));
932 amdgpu_ib_set_value(ctx->ib, ctx->data1, upper_32_bits(start));
933
934 cmd = amdgpu_ib_get_value(ctx->ib, ctx->idx) >> 1;
935 if (cmd < 0x4) {
936 if ((end - start) < ctx->buf_sizes[cmd]) {
937 DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
938 (unsigned)(end - start),
939 ctx->buf_sizes[cmd]);
940 return -EINVAL;
941 }
942
943 } else if (cmd == 0x206) {
944 if ((end - start) < ctx->buf_sizes[4]) {
945 DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
946 (unsigned)(end - start),
947 ctx->buf_sizes[4]);
948 return -EINVAL;
949 }
950 } else if ((cmd != 0x100) && (cmd != 0x204)) {
951 DRM_ERROR("invalid UVD command %X!\n", cmd);
952 return -EINVAL;
953 }
954
955 if (!ctx->parser->adev->uvd.address_64_bit) {
956 if ((start >> 28) != ((end - 1) >> 28)) {
957 DRM_ERROR("reloc %LX-%LX crossing 256MB boundary!\n",
958 start, end);
959 return -EINVAL;
960 }
961
962 if ((cmd == 0 || cmd == 0x3) &&
963 (start >> 28) != (ctx->parser->adev->uvd.inst->gpu_addr >> 28)) {
964 DRM_ERROR("msg/fb buffer %LX-%LX out of 256MB segment!\n",
965 start, end);
966 return -EINVAL;
967 }
968 }
969
970 if (cmd == 0) {
971 ctx->has_msg_cmd = true;
972 r = amdgpu_uvd_cs_msg(ctx, bo, addr);
973 if (r)
974 return r;
975 } else if (!ctx->has_msg_cmd) {
976 DRM_ERROR("Message needed before other commands are send!\n");
977 return -EINVAL;
978 }
979
980 return 0;
981}
982
983/**
984 * amdgpu_uvd_cs_reg - parse register writes
985 *
986 * @ctx: UVD parser context
987 * @cb: callback function
988 *
989 * Parse the register writes, call cb on each complete command.
990 */
991static int amdgpu_uvd_cs_reg(struct amdgpu_uvd_cs_ctx *ctx,
992 int (*cb)(struct amdgpu_uvd_cs_ctx *ctx))
993{
994 int i, r;
995
996 ctx->idx++;
997 for (i = 0; i <= ctx->count; ++i) {
998 unsigned reg = ctx->reg + i;
999
1000 if (ctx->idx >= ctx->ib->length_dw) {
1001 DRM_ERROR("Register command after end of CS!\n");
1002 return -EINVAL;
1003 }
1004
1005 switch (reg) {
1006 case mmUVD_GPCOM_VCPU_DATA0:
1007 ctx->data0 = ctx->idx;
1008 break;
1009 case mmUVD_GPCOM_VCPU_DATA1:
1010 ctx->data1 = ctx->idx;
1011 break;
1012 case mmUVD_GPCOM_VCPU_CMD:
1013 r = cb(ctx);
1014 if (r)
1015 return r;
1016 break;
1017 case mmUVD_ENGINE_CNTL:
1018 case mmUVD_NO_OP:
1019 break;
1020 default:
1021 DRM_ERROR("Invalid reg 0x%X!\n", reg);
1022 return -EINVAL;
1023 }
1024 ctx->idx++;
1025 }
1026 return 0;
1027}
1028
1029/**
1030 * amdgpu_uvd_cs_packets - parse UVD packets
1031 *
1032 * @ctx: UVD parser context
1033 * @cb: callback function
1034 *
1035 * Parse the command stream packets.
1036 */
1037static int amdgpu_uvd_cs_packets(struct amdgpu_uvd_cs_ctx *ctx,
1038 int (*cb)(struct amdgpu_uvd_cs_ctx *ctx))
1039{
1040 int r;
1041
1042 for (ctx->idx = 0 ; ctx->idx < ctx->ib->length_dw; ) {
1043 uint32_t cmd = amdgpu_ib_get_value(ctx->ib, ctx->idx);
1044 unsigned type = CP_PACKET_GET_TYPE(cmd);
1045 switch (type) {
1046 case PACKET_TYPE0:
1047 ctx->reg = CP_PACKET0_GET_REG(cmd);
1048 ctx->count = CP_PACKET_GET_COUNT(cmd);
1049 r = amdgpu_uvd_cs_reg(ctx, cb);
1050 if (r)
1051 return r;
1052 break;
1053 case PACKET_TYPE2:
1054 ++ctx->idx;
1055 break;
1056 default:
1057 DRM_ERROR("Unknown packet type %d !\n", type);
1058 return -EINVAL;
1059 }
1060 }
1061 return 0;
1062}
1063
1064/**
1065 * amdgpu_uvd_ring_parse_cs - UVD command submission parser
1066 *
1067 * @parser: Command submission parser context
1068 * @job: the job to parse
1069 * @ib: the IB to patch
1070 *
1071 * Parse the command stream, patch in addresses as necessary.
1072 */
1073int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser,
1074 struct amdgpu_job *job,
1075 struct amdgpu_ib *ib)
1076{
1077 struct amdgpu_uvd_cs_ctx ctx = {};
1078 unsigned buf_sizes[] = {
1079 [0x00000000] = 2048,
1080 [0x00000001] = 0xFFFFFFFF,
1081 [0x00000002] = 0xFFFFFFFF,
1082 [0x00000003] = 2048,
1083 [0x00000004] = 0xFFFFFFFF,
1084 };
1085 int r;
1086
1087 job->vm = NULL;
1088 ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo);
1089
1090 if (ib->length_dw % 16) {
1091 DRM_ERROR("UVD IB length (%d) not 16 dwords aligned!\n",
1092 ib->length_dw);
1093 return -EINVAL;
1094 }
1095
1096 ctx.parser = parser;
1097 ctx.buf_sizes = buf_sizes;
1098 ctx.ib = ib;
1099
1100 /* first round only required on chips without UVD 64 bit address support */
1101 if (!parser->adev->uvd.address_64_bit) {
1102 /* first round, make sure the buffers are actually in the UVD segment */
1103 r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass1);
1104 if (r)
1105 return r;
1106 }
1107
1108 /* second round, patch buffer addresses into the command stream */
1109 r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass2);
1110 if (r)
1111 return r;
1112
1113 if (!ctx.has_msg_cmd) {
1114 DRM_ERROR("UVD-IBs need a msg command!\n");
1115 return -EINVAL;
1116 }
1117
1118 return 0;
1119}
1120
1121static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo,
1122 bool direct, struct dma_fence **fence)
1123{
1124 struct amdgpu_device *adev = ring->adev;
1125 struct dma_fence *f = NULL;
1126 struct amdgpu_job *job;
1127 struct amdgpu_ib *ib;
1128 uint32_t data[4];
1129 uint64_t addr;
1130 long r;
1131 int i;
1132 unsigned offset_idx = 0;
1133 unsigned offset[3] = { UVD_BASE_SI, 0, 0 };
1134
1135 r = amdgpu_job_alloc_with_ib(ring->adev, &adev->uvd.entity,
1136 AMDGPU_FENCE_OWNER_UNDEFINED,
1137 64, direct ? AMDGPU_IB_POOL_DIRECT :
1138 AMDGPU_IB_POOL_DELAYED, &job);
1139 if (r)
1140 return r;
1141
1142 if (adev->asic_type >= CHIP_VEGA10) {
1143 offset_idx = 1 + ring->me;
1144 offset[1] = adev->reg_offset[UVD_HWIP][0][1];
1145 offset[2] = adev->reg_offset[UVD_HWIP][1][1];
1146 }
1147
1148 data[0] = PACKET0(offset[offset_idx] + UVD_GPCOM_VCPU_DATA0, 0);
1149 data[1] = PACKET0(offset[offset_idx] + UVD_GPCOM_VCPU_DATA1, 0);
1150 data[2] = PACKET0(offset[offset_idx] + UVD_GPCOM_VCPU_CMD, 0);
1151 data[3] = PACKET0(offset[offset_idx] + 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 = dma_resv_wait_timeout(bo->tbo.base.resv,
1169 DMA_RESV_USAGE_KERNEL, false,
1170 msecs_to_jiffies(10));
1171 if (r == 0)
1172 r = -ETIMEDOUT;
1173 if (r < 0)
1174 goto err_free;
1175
1176 r = amdgpu_job_submit_direct(job, ring, &f);
1177 if (r)
1178 goto err_free;
1179 } else {
1180 r = drm_sched_job_add_resv_dependencies(&job->base,
1181 bo->tbo.base.resv,
1182 DMA_RESV_USAGE_KERNEL);
1183 if (r)
1184 goto err_free;
1185
1186 f = amdgpu_job_submit(job);
1187 }
1188
1189 amdgpu_bo_reserve(bo, true);
1190 amdgpu_bo_fence(bo, f, false);
1191 amdgpu_bo_unreserve(bo);
1192
1193 if (fence)
1194 *fence = dma_fence_get(f);
1195 dma_fence_put(f);
1196
1197 return 0;
1198
1199err_free:
1200 amdgpu_job_free(job);
1201 return r;
1202}
1203
1204/* multiple fence commands without any stream commands in between can
1205 crash the vcpu so just try to emmit a dummy create/destroy msg to
1206 avoid this */
1207int amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
1208 struct dma_fence **fence)
1209{
1210 struct amdgpu_device *adev = ring->adev;
1211 struct amdgpu_bo *bo = adev->uvd.ib_bo;
1212 uint32_t *msg;
1213 int i;
1214
1215 msg = amdgpu_bo_kptr(bo);
1216 /* stitch together an UVD create msg */
1217 msg[0] = cpu_to_le32(0x00000de4);
1218 msg[1] = cpu_to_le32(0x00000000);
1219 msg[2] = cpu_to_le32(handle);
1220 msg[3] = cpu_to_le32(0x00000000);
1221 msg[4] = cpu_to_le32(0x00000000);
1222 msg[5] = cpu_to_le32(0x00000000);
1223 msg[6] = cpu_to_le32(0x00000000);
1224 msg[7] = cpu_to_le32(0x00000780);
1225 msg[8] = cpu_to_le32(0x00000440);
1226 msg[9] = cpu_to_le32(0x00000000);
1227 msg[10] = cpu_to_le32(0x01b37000);
1228 for (i = 11; i < 1024; ++i)
1229 msg[i] = cpu_to_le32(0x0);
1230
1231 return amdgpu_uvd_send_msg(ring, bo, true, fence);
1232
1233}
1234
1235int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
1236 bool direct, struct dma_fence **fence)
1237{
1238 struct amdgpu_device *adev = ring->adev;
1239 struct amdgpu_bo *bo = NULL;
1240 uint32_t *msg;
1241 int r, i;
1242
1243 if (direct) {
1244 bo = adev->uvd.ib_bo;
1245 } else {
1246 r = amdgpu_uvd_create_msg_bo_helper(adev, 4096, &bo);
1247 if (r)
1248 return r;
1249 }
1250
1251 msg = amdgpu_bo_kptr(bo);
1252 /* stitch together an UVD destroy msg */
1253 msg[0] = cpu_to_le32(0x00000de4);
1254 msg[1] = cpu_to_le32(0x00000002);
1255 msg[2] = cpu_to_le32(handle);
1256 msg[3] = cpu_to_le32(0x00000000);
1257 for (i = 4; i < 1024; ++i)
1258 msg[i] = cpu_to_le32(0x0);
1259
1260 r = amdgpu_uvd_send_msg(ring, bo, direct, fence);
1261
1262 if (!direct)
1263 amdgpu_bo_free_kernel(&bo, NULL, (void **)&msg);
1264
1265 return r;
1266}
1267
1268static void amdgpu_uvd_idle_work_handler(struct work_struct *work)
1269{
1270 struct amdgpu_device *adev =
1271 container_of(work, struct amdgpu_device, uvd.idle_work.work);
1272 unsigned fences = 0, i, j;
1273
1274 for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {
1275 if (adev->uvd.harvest_config & (1 << i))
1276 continue;
1277 fences += amdgpu_fence_count_emitted(&adev->uvd.inst[i].ring);
1278 for (j = 0; j < adev->uvd.num_enc_rings; ++j) {
1279 fences += amdgpu_fence_count_emitted(&adev->uvd.inst[i].ring_enc[j]);
1280 }
1281 }
1282
1283 if (fences == 0) {
1284 if (adev->pm.dpm_enabled) {
1285 amdgpu_dpm_enable_uvd(adev, false);
1286 } else {
1287 amdgpu_asic_set_uvd_clocks(adev, 0, 0);
1288 /* shutdown the UVD block */
1289 amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1290 AMD_PG_STATE_GATE);
1291 amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1292 AMD_CG_STATE_GATE);
1293 }
1294 } else {
1295 schedule_delayed_work(&adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
1296 }
1297}
1298
1299void amdgpu_uvd_ring_begin_use(struct amdgpu_ring *ring)
1300{
1301 struct amdgpu_device *adev = ring->adev;
1302 bool set_clocks;
1303
1304 if (amdgpu_sriov_vf(adev))
1305 return;
1306
1307 set_clocks = !cancel_delayed_work_sync(&adev->uvd.idle_work);
1308 if (set_clocks) {
1309 if (adev->pm.dpm_enabled) {
1310 amdgpu_dpm_enable_uvd(adev, true);
1311 } else {
1312 amdgpu_asic_set_uvd_clocks(adev, 53300, 40000);
1313 amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1314 AMD_CG_STATE_UNGATE);
1315 amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
1316 AMD_PG_STATE_UNGATE);
1317 }
1318 }
1319}
1320
1321void amdgpu_uvd_ring_end_use(struct amdgpu_ring *ring)
1322{
1323 if (!amdgpu_sriov_vf(ring->adev))
1324 schedule_delayed_work(&ring->adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
1325}
1326
1327/**
1328 * amdgpu_uvd_ring_test_ib - test ib execution
1329 *
1330 * @ring: amdgpu_ring pointer
1331 * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT
1332 *
1333 * Test if we can successfully execute an IB
1334 */
1335int amdgpu_uvd_ring_test_ib(struct amdgpu_ring *ring, long timeout)
1336{
1337 struct dma_fence *fence;
1338 long r;
1339
1340 r = amdgpu_uvd_get_create_msg(ring, 1, &fence);
1341 if (r)
1342 goto error;
1343
1344 r = dma_fence_wait_timeout(fence, false, timeout);
1345 dma_fence_put(fence);
1346 if (r == 0)
1347 r = -ETIMEDOUT;
1348 if (r < 0)
1349 goto error;
1350
1351 r = amdgpu_uvd_get_destroy_msg(ring, 1, true, &fence);
1352 if (r)
1353 goto error;
1354
1355 r = dma_fence_wait_timeout(fence, false, timeout);
1356 if (r == 0)
1357 r = -ETIMEDOUT;
1358 else if (r > 0)
1359 r = 0;
1360
1361 dma_fence_put(fence);
1362
1363error:
1364 return r;
1365}
1366
1367/**
1368 * amdgpu_uvd_used_handles - returns used UVD handles
1369 *
1370 * @adev: amdgpu_device pointer
1371 *
1372 * Returns the number of UVD handles in use
1373 */
1374uint32_t amdgpu_uvd_used_handles(struct amdgpu_device *adev)
1375{
1376 unsigned i;
1377 uint32_t used_handles = 0;
1378
1379 for (i = 0; i < adev->uvd.max_handles; ++i) {
1380 /*
1381 * Handles can be freed in any order, and not
1382 * necessarily linear. So we need to count
1383 * all non-zero handles.
1384 */
1385 if (atomic_read(&adev->uvd.handles[i]))
1386 used_handles++;
1387 }
1388
1389 return used_handles;
1390}