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