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v5.9
   1/*
   2 * Copyright 2013 Advanced Micro Devices, Inc.
   3 * All Rights Reserved.
   4 *
   5 * Permission is hereby granted, free of charge, to any person obtaining a
   6 * copy of this software and associated documentation files (the
   7 * "Software"), to deal in the Software without restriction, including
   8 * without limitation the rights to use, copy, modify, merge, publish,
   9 * distribute, sub license, and/or sell copies of the Software, and to
  10 * permit persons to whom the Software is furnished to do so, subject to
  11 * the following conditions:
  12 *
  13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  16 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  17 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  18 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  19 * USE OR OTHER DEALINGS IN THE SOFTWARE.
  20 *
  21 * The above copyright notice and this permission notice (including the
  22 * next paragraph) shall be included in all copies or substantial portions
  23 * of the Software.
  24 *
  25 * Authors: Christian König <christian.koenig@amd.com>
  26 */
  27
  28#include <linux/firmware.h>
  29#include <linux/module.h>
  30
  31#include <drm/drm.h>
 
  32
  33#include "amdgpu.h"
  34#include "amdgpu_pm.h"
  35#include "amdgpu_vce.h"
 
  36#include "cikd.h"
  37
  38/* 1 second timeout */
  39#define VCE_IDLE_TIMEOUT	msecs_to_jiffies(1000)
  40
  41/* Firmware Names */
  42#ifdef CONFIG_DRM_AMDGPU_CIK
  43#define FIRMWARE_BONAIRE	"amdgpu/bonaire_vce.bin"
  44#define FIRMWARE_KABINI	"amdgpu/kabini_vce.bin"
  45#define FIRMWARE_KAVERI	"amdgpu/kaveri_vce.bin"
  46#define FIRMWARE_HAWAII	"amdgpu/hawaii_vce.bin"
  47#define FIRMWARE_MULLINS	"amdgpu/mullins_vce.bin"
  48#endif
  49#define FIRMWARE_TONGA		"amdgpu/tonga_vce.bin"
  50#define FIRMWARE_CARRIZO	"amdgpu/carrizo_vce.bin"
  51#define FIRMWARE_FIJI		"amdgpu/fiji_vce.bin"
  52#define FIRMWARE_STONEY		"amdgpu/stoney_vce.bin"
  53#define FIRMWARE_POLARIS10	"amdgpu/polaris10_vce.bin"
  54#define FIRMWARE_POLARIS11	"amdgpu/polaris11_vce.bin"
  55#define FIRMWARE_POLARIS12	"amdgpu/polaris12_vce.bin"
  56#define FIRMWARE_VEGAM		"amdgpu/vegam_vce.bin"
  57
  58#define FIRMWARE_VEGA10		"amdgpu/vega10_vce.bin"
  59#define FIRMWARE_VEGA12		"amdgpu/vega12_vce.bin"
  60#define FIRMWARE_VEGA20		"amdgpu/vega20_vce.bin"
  61
  62#ifdef CONFIG_DRM_AMDGPU_CIK
  63MODULE_FIRMWARE(FIRMWARE_BONAIRE);
  64MODULE_FIRMWARE(FIRMWARE_KABINI);
  65MODULE_FIRMWARE(FIRMWARE_KAVERI);
  66MODULE_FIRMWARE(FIRMWARE_HAWAII);
  67MODULE_FIRMWARE(FIRMWARE_MULLINS);
  68#endif
  69MODULE_FIRMWARE(FIRMWARE_TONGA);
  70MODULE_FIRMWARE(FIRMWARE_CARRIZO);
  71MODULE_FIRMWARE(FIRMWARE_FIJI);
  72MODULE_FIRMWARE(FIRMWARE_STONEY);
  73MODULE_FIRMWARE(FIRMWARE_POLARIS10);
  74MODULE_FIRMWARE(FIRMWARE_POLARIS11);
  75MODULE_FIRMWARE(FIRMWARE_POLARIS12);
  76MODULE_FIRMWARE(FIRMWARE_VEGAM);
  77
  78MODULE_FIRMWARE(FIRMWARE_VEGA10);
  79MODULE_FIRMWARE(FIRMWARE_VEGA12);
  80MODULE_FIRMWARE(FIRMWARE_VEGA20);
  81
  82static void amdgpu_vce_idle_work_handler(struct work_struct *work);
  83static int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
  84				     struct amdgpu_bo *bo,
  85				     struct dma_fence **fence);
  86static int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
  87				      bool direct, struct dma_fence **fence);
  88
  89/**
  90 * amdgpu_vce_init - allocate memory, load vce firmware
  91 *
  92 * @adev: amdgpu_device pointer
 
  93 *
  94 * First step to get VCE online, allocate memory and load the firmware
  95 */
  96int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size)
  97{
  98	const char *fw_name;
  99	const struct common_firmware_header *hdr;
 100	unsigned ucode_version, version_major, version_minor, binary_id;
 101	int i, r;
 102
 103	switch (adev->asic_type) {
 104#ifdef CONFIG_DRM_AMDGPU_CIK
 105	case CHIP_BONAIRE:
 106		fw_name = FIRMWARE_BONAIRE;
 107		break;
 108	case CHIP_KAVERI:
 109		fw_name = FIRMWARE_KAVERI;
 110		break;
 111	case CHIP_KABINI:
 112		fw_name = FIRMWARE_KABINI;
 113		break;
 114	case CHIP_HAWAII:
 115		fw_name = FIRMWARE_HAWAII;
 116		break;
 117	case CHIP_MULLINS:
 118		fw_name = FIRMWARE_MULLINS;
 119		break;
 120#endif
 121	case CHIP_TONGA:
 122		fw_name = FIRMWARE_TONGA;
 123		break;
 124	case CHIP_CARRIZO:
 125		fw_name = FIRMWARE_CARRIZO;
 126		break;
 127	case CHIP_FIJI:
 128		fw_name = FIRMWARE_FIJI;
 129		break;
 130	case CHIP_STONEY:
 131		fw_name = FIRMWARE_STONEY;
 132		break;
 133	case CHIP_POLARIS10:
 134		fw_name = FIRMWARE_POLARIS10;
 135		break;
 136	case CHIP_POLARIS11:
 137		fw_name = FIRMWARE_POLARIS11;
 138		break;
 139	case CHIP_POLARIS12:
 140		fw_name = FIRMWARE_POLARIS12;
 141		break;
 142	case CHIP_VEGAM:
 143		fw_name = FIRMWARE_VEGAM;
 144		break;
 145	case CHIP_VEGA10:
 146		fw_name = FIRMWARE_VEGA10;
 147		break;
 148	case CHIP_VEGA12:
 149		fw_name = FIRMWARE_VEGA12;
 150		break;
 151	case CHIP_VEGA20:
 152		fw_name = FIRMWARE_VEGA20;
 153		break;
 154
 155	default:
 156		return -EINVAL;
 157	}
 158
 159	r = request_firmware(&adev->vce.fw, fw_name, adev->dev);
 160	if (r) {
 161		dev_err(adev->dev, "amdgpu_vce: Can't load firmware \"%s\"\n",
 162			fw_name);
 163		return r;
 164	}
 165
 166	r = amdgpu_ucode_validate(adev->vce.fw);
 167	if (r) {
 168		dev_err(adev->dev, "amdgpu_vce: Can't validate firmware \"%s\"\n",
 169			fw_name);
 170		release_firmware(adev->vce.fw);
 171		adev->vce.fw = NULL;
 172		return r;
 173	}
 174
 175	hdr = (const struct common_firmware_header *)adev->vce.fw->data;
 176
 177	ucode_version = le32_to_cpu(hdr->ucode_version);
 178	version_major = (ucode_version >> 20) & 0xfff;
 179	version_minor = (ucode_version >> 8) & 0xfff;
 180	binary_id = ucode_version & 0xff;
 181	DRM_INFO("Found VCE firmware Version: %hhd.%hhd Binary ID: %hhd\n",
 182		version_major, version_minor, binary_id);
 183	adev->vce.fw_version = ((version_major << 24) | (version_minor << 16) |
 184				(binary_id << 8));
 185
 186	r = amdgpu_bo_create_kernel(adev, size, PAGE_SIZE,
 187				    AMDGPU_GEM_DOMAIN_VRAM, &adev->vce.vcpu_bo,
 188				    &adev->vce.gpu_addr, &adev->vce.cpu_addr);
 189	if (r) {
 190		dev_err(adev->dev, "(%d) failed to allocate VCE bo\n", r);
 191		return r;
 192	}
 193
 194	for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
 195		atomic_set(&adev->vce.handles[i], 0);
 196		adev->vce.filp[i] = NULL;
 197	}
 198
 199	INIT_DELAYED_WORK(&adev->vce.idle_work, amdgpu_vce_idle_work_handler);
 200	mutex_init(&adev->vce.idle_mutex);
 201
 202	return 0;
 203}
 204
 205/**
 206 * amdgpu_vce_fini - free memory
 207 *
 208 * @adev: amdgpu_device pointer
 209 *
 210 * Last step on VCE teardown, free firmware memory
 211 */
 212int amdgpu_vce_sw_fini(struct amdgpu_device *adev)
 213{
 214	unsigned i;
 215
 216	if (adev->vce.vcpu_bo == NULL)
 217		return 0;
 218
 219	cancel_delayed_work_sync(&adev->vce.idle_work);
 220	drm_sched_entity_destroy(&adev->vce.entity);
 221
 222	amdgpu_bo_free_kernel(&adev->vce.vcpu_bo, &adev->vce.gpu_addr,
 223		(void **)&adev->vce.cpu_addr);
 224
 225	for (i = 0; i < adev->vce.num_rings; i++)
 226		amdgpu_ring_fini(&adev->vce.ring[i]);
 227
 228	release_firmware(adev->vce.fw);
 229	mutex_destroy(&adev->vce.idle_mutex);
 230
 231	return 0;
 232}
 233
 234/**
 235 * amdgpu_vce_entity_init - init entity
 236 *
 237 * @adev: amdgpu_device pointer
 238 *
 239 */
 240int amdgpu_vce_entity_init(struct amdgpu_device *adev)
 241{
 242	struct amdgpu_ring *ring;
 243	struct drm_gpu_scheduler *sched;
 244	int r;
 245
 246	ring = &adev->vce.ring[0];
 247	sched = &ring->sched;
 248	r = drm_sched_entity_init(&adev->vce.entity, DRM_SCHED_PRIORITY_NORMAL,
 249				  &sched, 1, NULL);
 250	if (r != 0) {
 251		DRM_ERROR("Failed setting up VCE run queue.\n");
 252		return r;
 253	}
 254
 255	return 0;
 256}
 257
 258/**
 259 * amdgpu_vce_suspend - unpin VCE fw memory
 260 *
 261 * @adev: amdgpu_device pointer
 262 *
 263 */
 264int amdgpu_vce_suspend(struct amdgpu_device *adev)
 265{
 266	int i;
 267
 268	cancel_delayed_work_sync(&adev->vce.idle_work);
 269
 270	if (adev->vce.vcpu_bo == NULL)
 271		return 0;
 272
 273	for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i)
 274		if (atomic_read(&adev->vce.handles[i]))
 275			break;
 276
 277	if (i == AMDGPU_MAX_VCE_HANDLES)
 278		return 0;
 279
 280	/* TODO: suspending running encoding sessions isn't supported */
 281	return -EINVAL;
 282}
 283
 284/**
 285 * amdgpu_vce_resume - pin VCE fw memory
 286 *
 287 * @adev: amdgpu_device pointer
 288 *
 289 */
 290int amdgpu_vce_resume(struct amdgpu_device *adev)
 291{
 292	void *cpu_addr;
 293	const struct common_firmware_header *hdr;
 294	unsigned offset;
 295	int r;
 296
 297	if (adev->vce.vcpu_bo == NULL)
 298		return -EINVAL;
 299
 300	r = amdgpu_bo_reserve(adev->vce.vcpu_bo, false);
 301	if (r) {
 302		dev_err(adev->dev, "(%d) failed to reserve VCE bo\n", r);
 303		return r;
 304	}
 305
 306	r = amdgpu_bo_kmap(adev->vce.vcpu_bo, &cpu_addr);
 307	if (r) {
 308		amdgpu_bo_unreserve(adev->vce.vcpu_bo);
 309		dev_err(adev->dev, "(%d) VCE map failed\n", r);
 310		return r;
 311	}
 312
 313	hdr = (const struct common_firmware_header *)adev->vce.fw->data;
 314	offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
 315	memcpy_toio(cpu_addr, adev->vce.fw->data + offset,
 316		    adev->vce.fw->size - offset);
 
 
 
 
 317
 318	amdgpu_bo_kunmap(adev->vce.vcpu_bo);
 319
 320	amdgpu_bo_unreserve(adev->vce.vcpu_bo);
 321
 322	return 0;
 323}
 324
 325/**
 326 * amdgpu_vce_idle_work_handler - power off VCE
 327 *
 328 * @work: pointer to work structure
 329 *
 330 * power of VCE when it's not used any more
 331 */
 332static void amdgpu_vce_idle_work_handler(struct work_struct *work)
 333{
 334	struct amdgpu_device *adev =
 335		container_of(work, struct amdgpu_device, vce.idle_work.work);
 336	unsigned i, count = 0;
 337
 338	for (i = 0; i < adev->vce.num_rings; i++)
 339		count += amdgpu_fence_count_emitted(&adev->vce.ring[i]);
 340
 341	if (count == 0) {
 342		if (adev->pm.dpm_enabled) {
 343			amdgpu_dpm_enable_vce(adev, false);
 344		} else {
 345			amdgpu_asic_set_vce_clocks(adev, 0, 0);
 346			amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
 347							       AMD_PG_STATE_GATE);
 348			amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
 349							       AMD_CG_STATE_GATE);
 350		}
 351	} else {
 352		schedule_delayed_work(&adev->vce.idle_work, VCE_IDLE_TIMEOUT);
 353	}
 354}
 355
 356/**
 357 * amdgpu_vce_ring_begin_use - power up VCE
 358 *
 359 * @ring: amdgpu ring
 360 *
 361 * Make sure VCE is powerd up when we want to use it
 362 */
 363void amdgpu_vce_ring_begin_use(struct amdgpu_ring *ring)
 364{
 365	struct amdgpu_device *adev = ring->adev;
 366	bool set_clocks;
 367
 368	if (amdgpu_sriov_vf(adev))
 369		return;
 370
 371	mutex_lock(&adev->vce.idle_mutex);
 372	set_clocks = !cancel_delayed_work_sync(&adev->vce.idle_work);
 373	if (set_clocks) {
 374		if (adev->pm.dpm_enabled) {
 375			amdgpu_dpm_enable_vce(adev, true);
 376		} else {
 377			amdgpu_asic_set_vce_clocks(adev, 53300, 40000);
 378			amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
 379							       AMD_CG_STATE_UNGATE);
 380			amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
 381							       AMD_PG_STATE_UNGATE);
 382
 383		}
 384	}
 385	mutex_unlock(&adev->vce.idle_mutex);
 386}
 387
 388/**
 389 * amdgpu_vce_ring_end_use - power VCE down
 390 *
 391 * @ring: amdgpu ring
 392 *
 393 * Schedule work to power VCE down again
 394 */
 395void amdgpu_vce_ring_end_use(struct amdgpu_ring *ring)
 396{
 397	if (!amdgpu_sriov_vf(ring->adev))
 398		schedule_delayed_work(&ring->adev->vce.idle_work, VCE_IDLE_TIMEOUT);
 399}
 400
 401/**
 402 * amdgpu_vce_free_handles - free still open VCE handles
 403 *
 404 * @adev: amdgpu_device pointer
 405 * @filp: drm file pointer
 406 *
 407 * Close all VCE handles still open by this file pointer
 408 */
 409void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
 410{
 411	struct amdgpu_ring *ring = &adev->vce.ring[0];
 412	int i, r;
 413	for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
 414		uint32_t handle = atomic_read(&adev->vce.handles[i]);
 415
 416		if (!handle || adev->vce.filp[i] != filp)
 417			continue;
 418
 419		r = amdgpu_vce_get_destroy_msg(ring, handle, false, NULL);
 420		if (r)
 421			DRM_ERROR("Error destroying VCE handle (%d)!\n", r);
 422
 423		adev->vce.filp[i] = NULL;
 424		atomic_set(&adev->vce.handles[i], 0);
 425	}
 426}
 427
 428/**
 429 * amdgpu_vce_get_create_msg - generate a VCE create msg
 430 *
 431 * @adev: amdgpu_device pointer
 432 * @ring: ring we should submit the msg to
 433 * @handle: VCE session handle to use
 434 * @fence: optional fence to return
 435 *
 436 * Open up a stream for HW test
 437 */
 438static int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
 439				     struct amdgpu_bo *bo,
 440				     struct dma_fence **fence)
 441{
 442	const unsigned ib_size_dw = 1024;
 443	struct amdgpu_job *job;
 444	struct amdgpu_ib *ib;
 
 445	struct dma_fence *f = NULL;
 446	uint64_t addr;
 447	int i, r;
 448
 449	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
 450				     AMDGPU_IB_POOL_DIRECT, &job);
 
 
 451	if (r)
 452		return r;
 453
 454	ib = &job->ibs[0];
 
 
 
 
 
 
 455
 456	addr = amdgpu_bo_gpu_offset(bo);
 
 
 457
 458	/* stitch together an VCE create msg */
 459	ib->length_dw = 0;
 460	ib->ptr[ib->length_dw++] = 0x0000000c; /* len */
 461	ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */
 462	ib->ptr[ib->length_dw++] = handle;
 463
 464	if ((ring->adev->vce.fw_version >> 24) >= 52)
 465		ib->ptr[ib->length_dw++] = 0x00000040; /* len */
 466	else
 467		ib->ptr[ib->length_dw++] = 0x00000030; /* len */
 468	ib->ptr[ib->length_dw++] = 0x01000001; /* create cmd */
 469	ib->ptr[ib->length_dw++] = 0x00000000;
 470	ib->ptr[ib->length_dw++] = 0x00000042;
 471	ib->ptr[ib->length_dw++] = 0x0000000a;
 472	ib->ptr[ib->length_dw++] = 0x00000001;
 473	ib->ptr[ib->length_dw++] = 0x00000080;
 474	ib->ptr[ib->length_dw++] = 0x00000060;
 475	ib->ptr[ib->length_dw++] = 0x00000100;
 476	ib->ptr[ib->length_dw++] = 0x00000100;
 477	ib->ptr[ib->length_dw++] = 0x0000000c;
 478	ib->ptr[ib->length_dw++] = 0x00000000;
 479	if ((ring->adev->vce.fw_version >> 24) >= 52) {
 480		ib->ptr[ib->length_dw++] = 0x00000000;
 481		ib->ptr[ib->length_dw++] = 0x00000000;
 482		ib->ptr[ib->length_dw++] = 0x00000000;
 483		ib->ptr[ib->length_dw++] = 0x00000000;
 484	}
 485
 486	ib->ptr[ib->length_dw++] = 0x00000014; /* len */
 487	ib->ptr[ib->length_dw++] = 0x05000005; /* feedback buffer */
 488	ib->ptr[ib->length_dw++] = upper_32_bits(addr);
 489	ib->ptr[ib->length_dw++] = addr;
 490	ib->ptr[ib->length_dw++] = 0x00000001;
 491
 492	for (i = ib->length_dw; i < ib_size_dw; ++i)
 493		ib->ptr[i] = 0x0;
 494
 495	r = amdgpu_job_submit_direct(job, ring, &f);
 
 496	if (r)
 497		goto err;
 498
 499	if (fence)
 500		*fence = dma_fence_get(f);
 501	dma_fence_put(f);
 502	return 0;
 503
 504err:
 505	amdgpu_job_free(job);
 506	return r;
 507}
 508
 509/**
 510 * amdgpu_vce_get_destroy_msg - generate a VCE destroy msg
 511 *
 512 * @adev: amdgpu_device pointer
 513 * @ring: ring we should submit the msg to
 514 * @handle: VCE session handle to use
 
 515 * @fence: optional fence to return
 516 *
 517 * Close up a stream for HW test or if userspace failed to do so
 518 */
 519static int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
 520				      bool direct, struct dma_fence **fence)
 521{
 522	const unsigned ib_size_dw = 1024;
 523	struct amdgpu_job *job;
 524	struct amdgpu_ib *ib;
 525	struct dma_fence *f = NULL;
 526	int i, r;
 527
 528	r = amdgpu_job_alloc_with_ib(ring->adev, ib_size_dw * 4,
 
 
 529				     direct ? AMDGPU_IB_POOL_DIRECT :
 530				     AMDGPU_IB_POOL_DELAYED, &job);
 531	if (r)
 532		return r;
 533
 534	ib = &job->ibs[0];
 535
 536	/* stitch together an VCE destroy msg */
 537	ib->length_dw = 0;
 538	ib->ptr[ib->length_dw++] = 0x0000000c; /* len */
 539	ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */
 540	ib->ptr[ib->length_dw++] = handle;
 541
 542	ib->ptr[ib->length_dw++] = 0x00000020; /* len */
 543	ib->ptr[ib->length_dw++] = 0x00000002; /* task info */
 544	ib->ptr[ib->length_dw++] = 0xffffffff; /* next task info, set to 0xffffffff if no */
 545	ib->ptr[ib->length_dw++] = 0x00000001; /* destroy session */
 546	ib->ptr[ib->length_dw++] = 0x00000000;
 547	ib->ptr[ib->length_dw++] = 0x00000000;
 548	ib->ptr[ib->length_dw++] = 0xffffffff; /* feedback is not needed, set to 0xffffffff and firmware will not output feedback */
 549	ib->ptr[ib->length_dw++] = 0x00000000;
 550
 551	ib->ptr[ib->length_dw++] = 0x00000008; /* len */
 552	ib->ptr[ib->length_dw++] = 0x02000001; /* destroy cmd */
 553
 554	for (i = ib->length_dw; i < ib_size_dw; ++i)
 555		ib->ptr[i] = 0x0;
 556
 557	if (direct)
 558		r = amdgpu_job_submit_direct(job, ring, &f);
 559	else
 560		r = amdgpu_job_submit(job, &ring->adev->vce.entity,
 561				      AMDGPU_FENCE_OWNER_UNDEFINED, &f);
 562	if (r)
 563		goto err;
 564
 565	if (fence)
 566		*fence = dma_fence_get(f);
 567	dma_fence_put(f);
 568	return 0;
 569
 570err:
 571	amdgpu_job_free(job);
 572	return r;
 573}
 574
 575/**
 576 * amdgpu_vce_cs_validate_bo - make sure not to cross 4GB boundary
 577 *
 578 * @p: parser context
 579 * @lo: address of lower dword
 580 * @hi: address of higher dword
 581 * @size: minimum size
 582 * @index: bs/fb index
 583 *
 584 * Make sure that no BO cross a 4GB boundary.
 585 */
 586static int amdgpu_vce_validate_bo(struct amdgpu_cs_parser *p, uint32_t ib_idx,
 587				  int lo, int hi, unsigned size, int32_t index)
 
 588{
 589	int64_t offset = ((uint64_t)size) * ((int64_t)index);
 590	struct ttm_operation_ctx ctx = { false, false };
 591	struct amdgpu_bo_va_mapping *mapping;
 592	unsigned i, fpfn, lpfn;
 593	struct amdgpu_bo *bo;
 594	uint64_t addr;
 595	int r;
 596
 597	addr = ((uint64_t)amdgpu_get_ib_value(p, ib_idx, lo)) |
 598	       ((uint64_t)amdgpu_get_ib_value(p, ib_idx, hi)) << 32;
 599	if (index >= 0) {
 600		addr += offset;
 601		fpfn = PAGE_ALIGN(offset) >> PAGE_SHIFT;
 602		lpfn = 0x100000000ULL >> PAGE_SHIFT;
 603	} else {
 604		fpfn = 0;
 605		lpfn = (0x100000000ULL - PAGE_ALIGN(offset)) >> PAGE_SHIFT;
 606	}
 607
 608	r = amdgpu_cs_find_mapping(p, addr, &bo, &mapping);
 609	if (r) {
 610		DRM_ERROR("Can't find BO for addr 0x%010Lx %d %d %d %d\n",
 611			  addr, lo, hi, size, index);
 612		return r;
 613	}
 614
 615	for (i = 0; i < bo->placement.num_placement; ++i) {
 616		bo->placements[i].fpfn = max(bo->placements[i].fpfn, fpfn);
 617		bo->placements[i].lpfn = bo->placements[i].lpfn ?
 618			min(bo->placements[i].lpfn, lpfn) : lpfn;
 619	}
 620	return ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
 621}
 622
 623
 624/**
 625 * amdgpu_vce_cs_reloc - command submission relocation
 626 *
 627 * @p: parser context
 
 628 * @lo: address of lower dword
 629 * @hi: address of higher dword
 630 * @size: minimum size
 
 631 *
 632 * Patch relocation inside command stream with real buffer address
 633 */
 634static int amdgpu_vce_cs_reloc(struct amdgpu_cs_parser *p, uint32_t ib_idx,
 635			       int lo, int hi, unsigned size, uint32_t index)
 636{
 637	struct amdgpu_bo_va_mapping *mapping;
 638	struct amdgpu_bo *bo;
 639	uint64_t addr;
 640	int r;
 641
 642	if (index == 0xffffffff)
 643		index = 0;
 644
 645	addr = ((uint64_t)amdgpu_get_ib_value(p, ib_idx, lo)) |
 646	       ((uint64_t)amdgpu_get_ib_value(p, ib_idx, hi)) << 32;
 647	addr += ((uint64_t)size) * ((uint64_t)index);
 648
 649	r = amdgpu_cs_find_mapping(p, addr, &bo, &mapping);
 650	if (r) {
 651		DRM_ERROR("Can't find BO for addr 0x%010Lx %d %d %d %d\n",
 652			  addr, lo, hi, size, index);
 653		return r;
 654	}
 655
 656	if ((addr + (uint64_t)size) >
 657	    (mapping->last + 1) * AMDGPU_GPU_PAGE_SIZE) {
 658		DRM_ERROR("BO too small for addr 0x%010Lx %d %d\n",
 659			  addr, lo, hi);
 660		return -EINVAL;
 661	}
 662
 663	addr -= mapping->start * AMDGPU_GPU_PAGE_SIZE;
 664	addr += amdgpu_bo_gpu_offset(bo);
 665	addr -= ((uint64_t)size) * ((uint64_t)index);
 666
 667	amdgpu_set_ib_value(p, ib_idx, lo, lower_32_bits(addr));
 668	amdgpu_set_ib_value(p, ib_idx, hi, upper_32_bits(addr));
 669
 670	return 0;
 671}
 672
 673/**
 674 * amdgpu_vce_validate_handle - validate stream handle
 675 *
 676 * @p: parser context
 677 * @handle: handle to validate
 678 * @allocated: allocated a new handle?
 679 *
 680 * Validates the handle and return the found session index or -EINVAL
 681 * we we don't have another free session index.
 682 */
 683static int amdgpu_vce_validate_handle(struct amdgpu_cs_parser *p,
 684				      uint32_t handle, uint32_t *allocated)
 685{
 686	unsigned i;
 687
 688	/* validate the handle */
 689	for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
 690		if (atomic_read(&p->adev->vce.handles[i]) == handle) {
 691			if (p->adev->vce.filp[i] != p->filp) {
 692				DRM_ERROR("VCE handle collision detected!\n");
 693				return -EINVAL;
 694			}
 695			return i;
 696		}
 697	}
 698
 699	/* handle not found try to alloc a new one */
 700	for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
 701		if (!atomic_cmpxchg(&p->adev->vce.handles[i], 0, handle)) {
 702			p->adev->vce.filp[i] = p->filp;
 703			p->adev->vce.img_size[i] = 0;
 704			*allocated |= 1 << i;
 705			return i;
 706		}
 707	}
 708
 709	DRM_ERROR("No more free VCE handles!\n");
 710	return -EINVAL;
 711}
 712
 713/**
 714 * amdgpu_vce_cs_parse - parse and validate the command stream
 715 *
 716 * @p: parser context
 717 *
 
 718 */
 719int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx)
 
 
 720{
 721	struct amdgpu_ib *ib = &p->job->ibs[ib_idx];
 722	unsigned fb_idx = 0, bs_idx = 0;
 723	int session_idx = -1;
 724	uint32_t destroyed = 0;
 725	uint32_t created = 0;
 726	uint32_t allocated = 0;
 727	uint32_t tmp, handle = 0;
 728	uint32_t *size = &tmp;
 729	unsigned idx;
 730	int i, r = 0;
 731
 732	p->job->vm = NULL;
 733	ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo);
 734
 735	for (idx = 0; idx < ib->length_dw;) {
 736		uint32_t len = amdgpu_get_ib_value(p, ib_idx, idx);
 737		uint32_t cmd = amdgpu_get_ib_value(p, ib_idx, idx + 1);
 738
 739		if ((len < 8) || (len & 3)) {
 740			DRM_ERROR("invalid VCE command length (%d)!\n", len);
 741			r = -EINVAL;
 742			goto out;
 743		}
 744
 745		switch (cmd) {
 746		case 0x00000002: /* task info */
 747			fb_idx = amdgpu_get_ib_value(p, ib_idx, idx + 6);
 748			bs_idx = amdgpu_get_ib_value(p, ib_idx, idx + 7);
 749			break;
 750
 751		case 0x03000001: /* encode */
 752			r = amdgpu_vce_validate_bo(p, ib_idx, idx + 10,
 753						   idx + 9, 0, 0);
 754			if (r)
 755				goto out;
 756
 757			r = amdgpu_vce_validate_bo(p, ib_idx, idx + 12,
 758						   idx + 11, 0, 0);
 759			if (r)
 760				goto out;
 761			break;
 762
 763		case 0x05000001: /* context buffer */
 764			r = amdgpu_vce_validate_bo(p, ib_idx, idx + 3,
 765						   idx + 2, 0, 0);
 766			if (r)
 767				goto out;
 768			break;
 769
 770		case 0x05000004: /* video bitstream buffer */
 771			tmp = amdgpu_get_ib_value(p, ib_idx, idx + 4);
 772			r = amdgpu_vce_validate_bo(p, ib_idx, idx + 3, idx + 2,
 773						   tmp, bs_idx);
 774			if (r)
 775				goto out;
 776			break;
 777
 778		case 0x05000005: /* feedback buffer */
 779			r = amdgpu_vce_validate_bo(p, ib_idx, idx + 3, idx + 2,
 780						   4096, fb_idx);
 781			if (r)
 782				goto out;
 783			break;
 784
 785		case 0x0500000d: /* MV buffer */
 786			r = amdgpu_vce_validate_bo(p, ib_idx, idx + 3,
 787							idx + 2, 0, 0);
 788			if (r)
 789				goto out;
 790
 791			r = amdgpu_vce_validate_bo(p, ib_idx, idx + 8,
 792							idx + 7, 0, 0);
 793			if (r)
 794				goto out;
 795			break;
 796		}
 797
 798		idx += len / 4;
 799	}
 800
 801	for (idx = 0; idx < ib->length_dw;) {
 802		uint32_t len = amdgpu_get_ib_value(p, ib_idx, idx);
 803		uint32_t cmd = amdgpu_get_ib_value(p, ib_idx, idx + 1);
 804
 805		switch (cmd) {
 806		case 0x00000001: /* session */
 807			handle = amdgpu_get_ib_value(p, ib_idx, idx + 2);
 808			session_idx = amdgpu_vce_validate_handle(p, handle,
 809								 &allocated);
 810			if (session_idx < 0) {
 811				r = session_idx;
 812				goto out;
 813			}
 814			size = &p->adev->vce.img_size[session_idx];
 815			break;
 816
 817		case 0x00000002: /* task info */
 818			fb_idx = amdgpu_get_ib_value(p, ib_idx, idx + 6);
 819			bs_idx = amdgpu_get_ib_value(p, ib_idx, idx + 7);
 820			break;
 821
 822		case 0x01000001: /* create */
 823			created |= 1 << session_idx;
 824			if (destroyed & (1 << session_idx)) {
 825				destroyed &= ~(1 << session_idx);
 826				allocated |= 1 << session_idx;
 827
 828			} else if (!(allocated & (1 << session_idx))) {
 829				DRM_ERROR("Handle already in use!\n");
 830				r = -EINVAL;
 831				goto out;
 832			}
 833
 834			*size = amdgpu_get_ib_value(p, ib_idx, idx + 8) *
 835				amdgpu_get_ib_value(p, ib_idx, idx + 10) *
 836				8 * 3 / 2;
 837			break;
 838
 839		case 0x04000001: /* config extension */
 840		case 0x04000002: /* pic control */
 841		case 0x04000005: /* rate control */
 842		case 0x04000007: /* motion estimation */
 843		case 0x04000008: /* rdo */
 844		case 0x04000009: /* vui */
 845		case 0x05000002: /* auxiliary buffer */
 846		case 0x05000009: /* clock table */
 847			break;
 848
 849		case 0x0500000c: /* hw config */
 850			switch (p->adev->asic_type) {
 851#ifdef CONFIG_DRM_AMDGPU_CIK
 852			case CHIP_KAVERI:
 853			case CHIP_MULLINS:
 854#endif
 855			case CHIP_CARRIZO:
 856				break;
 857			default:
 858				r = -EINVAL;
 859				goto out;
 860			}
 861			break;
 862
 863		case 0x03000001: /* encode */
 864			r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 10, idx + 9,
 865						*size, 0);
 866			if (r)
 867				goto out;
 868
 869			r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 12, idx + 11,
 870						*size / 3, 0);
 871			if (r)
 872				goto out;
 873			break;
 874
 875		case 0x02000001: /* destroy */
 876			destroyed |= 1 << session_idx;
 877			break;
 878
 879		case 0x05000001: /* context buffer */
 880			r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2,
 881						*size * 2, 0);
 882			if (r)
 883				goto out;
 884			break;
 885
 886		case 0x05000004: /* video bitstream buffer */
 887			tmp = amdgpu_get_ib_value(p, ib_idx, idx + 4);
 888			r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2,
 889						tmp, bs_idx);
 890			if (r)
 891				goto out;
 892			break;
 893
 894		case 0x05000005: /* feedback buffer */
 895			r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2,
 896						4096, fb_idx);
 897			if (r)
 898				goto out;
 899			break;
 900
 901		case 0x0500000d: /* MV buffer */
 902			r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3,
 903							idx + 2, *size, 0);
 904			if (r)
 905				goto out;
 906
 907			r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 8,
 908							idx + 7, *size / 12, 0);
 909			if (r)
 910				goto out;
 911			break;
 912
 913		default:
 914			DRM_ERROR("invalid VCE command (0x%x)!\n", cmd);
 915			r = -EINVAL;
 916			goto out;
 917		}
 918
 919		if (session_idx == -1) {
 920			DRM_ERROR("no session command at start of IB\n");
 921			r = -EINVAL;
 922			goto out;
 923		}
 924
 925		idx += len / 4;
 926	}
 927
 928	if (allocated & ~created) {
 929		DRM_ERROR("New session without create command!\n");
 930		r = -ENOENT;
 931	}
 932
 933out:
 934	if (!r) {
 935		/* No error, free all destroyed handle slots */
 936		tmp = destroyed;
 937	} else {
 938		/* Error during parsing, free all allocated handle slots */
 939		tmp = allocated;
 940	}
 941
 942	for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i)
 943		if (tmp & (1 << i))
 944			atomic_set(&p->adev->vce.handles[i], 0);
 945
 946	return r;
 947}
 948
 949/**
 950 * amdgpu_vce_cs_parse_vm - parse the command stream in VM mode
 951 *
 952 * @p: parser context
 953 *
 
 954 */
 955int amdgpu_vce_ring_parse_cs_vm(struct amdgpu_cs_parser *p, uint32_t ib_idx)
 
 
 956{
 957	struct amdgpu_ib *ib = &p->job->ibs[ib_idx];
 958	int session_idx = -1;
 959	uint32_t destroyed = 0;
 960	uint32_t created = 0;
 961	uint32_t allocated = 0;
 962	uint32_t tmp, handle = 0;
 963	int i, r = 0, idx = 0;
 964
 965	while (idx < ib->length_dw) {
 966		uint32_t len = amdgpu_get_ib_value(p, ib_idx, idx);
 967		uint32_t cmd = amdgpu_get_ib_value(p, ib_idx, idx + 1);
 968
 969		if ((len < 8) || (len & 3)) {
 970			DRM_ERROR("invalid VCE command length (%d)!\n", len);
 971			r = -EINVAL;
 972			goto out;
 973		}
 974
 975		switch (cmd) {
 976		case 0x00000001: /* session */
 977			handle = amdgpu_get_ib_value(p, ib_idx, idx + 2);
 978			session_idx = amdgpu_vce_validate_handle(p, handle,
 979								 &allocated);
 980			if (session_idx < 0) {
 981				r = session_idx;
 982				goto out;
 983			}
 984			break;
 985
 986		case 0x01000001: /* create */
 987			created |= 1 << session_idx;
 988			if (destroyed & (1 << session_idx)) {
 989				destroyed &= ~(1 << session_idx);
 990				allocated |= 1 << session_idx;
 991
 992			} else if (!(allocated & (1 << session_idx))) {
 993				DRM_ERROR("Handle already in use!\n");
 994				r = -EINVAL;
 995				goto out;
 996			}
 997
 998			break;
 999
1000		case 0x02000001: /* destroy */
1001			destroyed |= 1 << session_idx;
1002			break;
1003
1004		default:
1005			break;
1006		}
1007
1008		if (session_idx == -1) {
1009			DRM_ERROR("no session command at start of IB\n");
1010			r = -EINVAL;
1011			goto out;
1012		}
1013
1014		idx += len / 4;
1015	}
1016
1017	if (allocated & ~created) {
1018		DRM_ERROR("New session without create command!\n");
1019		r = -ENOENT;
1020	}
1021
1022out:
1023	if (!r) {
1024		/* No error, free all destroyed handle slots */
1025		tmp = destroyed;
1026		amdgpu_ib_free(p->adev, ib, NULL);
1027	} else {
1028		/* Error during parsing, free all allocated handle slots */
1029		tmp = allocated;
1030	}
1031
1032	for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i)
1033		if (tmp & (1 << i))
1034			atomic_set(&p->adev->vce.handles[i], 0);
1035
1036	return r;
1037}
1038
1039/**
1040 * amdgpu_vce_ring_emit_ib - execute indirect buffer
1041 *
1042 * @ring: engine to use
 
1043 * @ib: the IB to execute
 
1044 *
1045 */
1046void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring,
1047				struct amdgpu_job *job,
1048				struct amdgpu_ib *ib,
1049				uint32_t flags)
1050{
1051	amdgpu_ring_write(ring, VCE_CMD_IB);
1052	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1053	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1054	amdgpu_ring_write(ring, ib->length_dw);
1055}
1056
1057/**
1058 * amdgpu_vce_ring_emit_fence - add a fence command to the ring
1059 *
1060 * @ring: engine to use
1061 * @fence: the fence
 
 
1062 *
1063 */
1064void amdgpu_vce_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
1065				unsigned flags)
1066{
1067	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1068
1069	amdgpu_ring_write(ring, VCE_CMD_FENCE);
1070	amdgpu_ring_write(ring, addr);
1071	amdgpu_ring_write(ring, upper_32_bits(addr));
1072	amdgpu_ring_write(ring, seq);
1073	amdgpu_ring_write(ring, VCE_CMD_TRAP);
1074	amdgpu_ring_write(ring, VCE_CMD_END);
1075}
1076
1077/**
1078 * amdgpu_vce_ring_test_ring - test if VCE ring is working
1079 *
1080 * @ring: the engine to test on
1081 *
1082 */
1083int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring)
1084{
1085	struct amdgpu_device *adev = ring->adev;
1086	uint32_t rptr;
1087	unsigned i;
1088	int r, timeout = adev->usec_timeout;
1089
1090	/* skip ring test for sriov*/
1091	if (amdgpu_sriov_vf(adev))
1092		return 0;
1093
1094	r = amdgpu_ring_alloc(ring, 16);
1095	if (r)
1096		return r;
1097
1098	rptr = amdgpu_ring_get_rptr(ring);
1099
1100	amdgpu_ring_write(ring, VCE_CMD_END);
1101	amdgpu_ring_commit(ring);
1102
1103	for (i = 0; i < timeout; i++) {
1104		if (amdgpu_ring_get_rptr(ring) != rptr)
1105			break;
1106		udelay(1);
1107	}
1108
1109	if (i >= timeout)
1110		r = -ETIMEDOUT;
1111
1112	return r;
1113}
1114
1115/**
1116 * amdgpu_vce_ring_test_ib - test if VCE IBs are working
1117 *
1118 * @ring: the engine to test on
 
1119 *
1120 */
1121int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout)
1122{
1123	struct dma_fence *fence = NULL;
1124	struct amdgpu_bo *bo = NULL;
1125	long r;
1126
1127	/* skip vce ring1/2 ib test for now, since it's not reliable */
1128	if (ring != &ring->adev->vce.ring[0])
1129		return 0;
1130
1131	r = amdgpu_bo_create_reserved(ring->adev, 512, PAGE_SIZE,
1132				      AMDGPU_GEM_DOMAIN_VRAM,
1133				      &bo, NULL, NULL);
1134	if (r)
1135		return r;
1136
1137	r = amdgpu_vce_get_create_msg(ring, 1, bo, NULL);
1138	if (r)
1139		goto error;
1140
1141	r = amdgpu_vce_get_destroy_msg(ring, 1, true, &fence);
1142	if (r)
1143		goto error;
1144
1145	r = dma_fence_wait_timeout(fence, false, timeout);
1146	if (r == 0)
1147		r = -ETIMEDOUT;
1148	else if (r > 0)
1149		r = 0;
1150
1151error:
1152	dma_fence_put(fence);
1153	amdgpu_bo_unreserve(bo);
1154	amdgpu_bo_unref(&bo);
1155	return r;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1156}
v6.2
   1/*
   2 * Copyright 2013 Advanced Micro Devices, Inc.
   3 * All Rights Reserved.
   4 *
   5 * Permission is hereby granted, free of charge, to any person obtaining a
   6 * copy of this software and associated documentation files (the
   7 * "Software"), to deal in the Software without restriction, including
   8 * without limitation the rights to use, copy, modify, merge, publish,
   9 * distribute, sub license, and/or sell copies of the Software, and to
  10 * permit persons to whom the Software is furnished to do so, subject to
  11 * the following conditions:
  12 *
  13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  16 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  17 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  18 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  19 * USE OR OTHER DEALINGS IN THE SOFTWARE.
  20 *
  21 * The above copyright notice and this permission notice (including the
  22 * next paragraph) shall be included in all copies or substantial portions
  23 * of the Software.
  24 *
  25 * Authors: Christian König <christian.koenig@amd.com>
  26 */
  27
  28#include <linux/firmware.h>
  29#include <linux/module.h>
  30
  31#include <drm/drm.h>
  32#include <drm/drm_drv.h>
  33
  34#include "amdgpu.h"
  35#include "amdgpu_pm.h"
  36#include "amdgpu_vce.h"
  37#include "amdgpu_cs.h"
  38#include "cikd.h"
  39
  40/* 1 second timeout */
  41#define VCE_IDLE_TIMEOUT	msecs_to_jiffies(1000)
  42
  43/* Firmware Names */
  44#ifdef CONFIG_DRM_AMDGPU_CIK
  45#define FIRMWARE_BONAIRE	"amdgpu/bonaire_vce.bin"
  46#define FIRMWARE_KABINI	"amdgpu/kabini_vce.bin"
  47#define FIRMWARE_KAVERI	"amdgpu/kaveri_vce.bin"
  48#define FIRMWARE_HAWAII	"amdgpu/hawaii_vce.bin"
  49#define FIRMWARE_MULLINS	"amdgpu/mullins_vce.bin"
  50#endif
  51#define FIRMWARE_TONGA		"amdgpu/tonga_vce.bin"
  52#define FIRMWARE_CARRIZO	"amdgpu/carrizo_vce.bin"
  53#define FIRMWARE_FIJI		"amdgpu/fiji_vce.bin"
  54#define FIRMWARE_STONEY		"amdgpu/stoney_vce.bin"
  55#define FIRMWARE_POLARIS10	"amdgpu/polaris10_vce.bin"
  56#define FIRMWARE_POLARIS11	"amdgpu/polaris11_vce.bin"
  57#define FIRMWARE_POLARIS12	"amdgpu/polaris12_vce.bin"
  58#define FIRMWARE_VEGAM		"amdgpu/vegam_vce.bin"
  59
  60#define FIRMWARE_VEGA10		"amdgpu/vega10_vce.bin"
  61#define FIRMWARE_VEGA12		"amdgpu/vega12_vce.bin"
  62#define FIRMWARE_VEGA20		"amdgpu/vega20_vce.bin"
  63
  64#ifdef CONFIG_DRM_AMDGPU_CIK
  65MODULE_FIRMWARE(FIRMWARE_BONAIRE);
  66MODULE_FIRMWARE(FIRMWARE_KABINI);
  67MODULE_FIRMWARE(FIRMWARE_KAVERI);
  68MODULE_FIRMWARE(FIRMWARE_HAWAII);
  69MODULE_FIRMWARE(FIRMWARE_MULLINS);
  70#endif
  71MODULE_FIRMWARE(FIRMWARE_TONGA);
  72MODULE_FIRMWARE(FIRMWARE_CARRIZO);
  73MODULE_FIRMWARE(FIRMWARE_FIJI);
  74MODULE_FIRMWARE(FIRMWARE_STONEY);
  75MODULE_FIRMWARE(FIRMWARE_POLARIS10);
  76MODULE_FIRMWARE(FIRMWARE_POLARIS11);
  77MODULE_FIRMWARE(FIRMWARE_POLARIS12);
  78MODULE_FIRMWARE(FIRMWARE_VEGAM);
  79
  80MODULE_FIRMWARE(FIRMWARE_VEGA10);
  81MODULE_FIRMWARE(FIRMWARE_VEGA12);
  82MODULE_FIRMWARE(FIRMWARE_VEGA20);
  83
  84static void amdgpu_vce_idle_work_handler(struct work_struct *work);
  85static int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
 
  86				     struct dma_fence **fence);
  87static int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
  88				      bool direct, struct dma_fence **fence);
  89
  90/**
  91 * amdgpu_vce_sw_init - allocate memory, load vce firmware
  92 *
  93 * @adev: amdgpu_device pointer
  94 * @size: size for the new BO
  95 *
  96 * First step to get VCE online, allocate memory and load the firmware
  97 */
  98int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size)
  99{
 100	const char *fw_name;
 101	const struct common_firmware_header *hdr;
 102	unsigned ucode_version, version_major, version_minor, binary_id;
 103	int i, r;
 104
 105	switch (adev->asic_type) {
 106#ifdef CONFIG_DRM_AMDGPU_CIK
 107	case CHIP_BONAIRE:
 108		fw_name = FIRMWARE_BONAIRE;
 109		break;
 110	case CHIP_KAVERI:
 111		fw_name = FIRMWARE_KAVERI;
 112		break;
 113	case CHIP_KABINI:
 114		fw_name = FIRMWARE_KABINI;
 115		break;
 116	case CHIP_HAWAII:
 117		fw_name = FIRMWARE_HAWAII;
 118		break;
 119	case CHIP_MULLINS:
 120		fw_name = FIRMWARE_MULLINS;
 121		break;
 122#endif
 123	case CHIP_TONGA:
 124		fw_name = FIRMWARE_TONGA;
 125		break;
 126	case CHIP_CARRIZO:
 127		fw_name = FIRMWARE_CARRIZO;
 128		break;
 129	case CHIP_FIJI:
 130		fw_name = FIRMWARE_FIJI;
 131		break;
 132	case CHIP_STONEY:
 133		fw_name = FIRMWARE_STONEY;
 134		break;
 135	case CHIP_POLARIS10:
 136		fw_name = FIRMWARE_POLARIS10;
 137		break;
 138	case CHIP_POLARIS11:
 139		fw_name = FIRMWARE_POLARIS11;
 140		break;
 141	case CHIP_POLARIS12:
 142		fw_name = FIRMWARE_POLARIS12;
 143		break;
 144	case CHIP_VEGAM:
 145		fw_name = FIRMWARE_VEGAM;
 146		break;
 147	case CHIP_VEGA10:
 148		fw_name = FIRMWARE_VEGA10;
 149		break;
 150	case CHIP_VEGA12:
 151		fw_name = FIRMWARE_VEGA12;
 152		break;
 153	case CHIP_VEGA20:
 154		fw_name = FIRMWARE_VEGA20;
 155		break;
 156
 157	default:
 158		return -EINVAL;
 159	}
 160
 161	r = request_firmware(&adev->vce.fw, fw_name, adev->dev);
 162	if (r) {
 163		dev_err(adev->dev, "amdgpu_vce: Can't load firmware \"%s\"\n",
 164			fw_name);
 165		return r;
 166	}
 167
 168	r = amdgpu_ucode_validate(adev->vce.fw);
 169	if (r) {
 170		dev_err(adev->dev, "amdgpu_vce: Can't validate firmware \"%s\"\n",
 171			fw_name);
 172		release_firmware(adev->vce.fw);
 173		adev->vce.fw = NULL;
 174		return r;
 175	}
 176
 177	hdr = (const struct common_firmware_header *)adev->vce.fw->data;
 178
 179	ucode_version = le32_to_cpu(hdr->ucode_version);
 180	version_major = (ucode_version >> 20) & 0xfff;
 181	version_minor = (ucode_version >> 8) & 0xfff;
 182	binary_id = ucode_version & 0xff;
 183	DRM_INFO("Found VCE firmware Version: %d.%d Binary ID: %d\n",
 184		version_major, version_minor, binary_id);
 185	adev->vce.fw_version = ((version_major << 24) | (version_minor << 16) |
 186				(binary_id << 8));
 187
 188	r = amdgpu_bo_create_kernel(adev, size, PAGE_SIZE,
 189				    AMDGPU_GEM_DOMAIN_VRAM, &adev->vce.vcpu_bo,
 190				    &adev->vce.gpu_addr, &adev->vce.cpu_addr);
 191	if (r) {
 192		dev_err(adev->dev, "(%d) failed to allocate VCE bo\n", r);
 193		return r;
 194	}
 195
 196	for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
 197		atomic_set(&adev->vce.handles[i], 0);
 198		adev->vce.filp[i] = NULL;
 199	}
 200
 201	INIT_DELAYED_WORK(&adev->vce.idle_work, amdgpu_vce_idle_work_handler);
 202	mutex_init(&adev->vce.idle_mutex);
 203
 204	return 0;
 205}
 206
 207/**
 208 * amdgpu_vce_sw_fini - free memory
 209 *
 210 * @adev: amdgpu_device pointer
 211 *
 212 * Last step on VCE teardown, free firmware memory
 213 */
 214int amdgpu_vce_sw_fini(struct amdgpu_device *adev)
 215{
 216	unsigned i;
 217
 218	if (adev->vce.vcpu_bo == NULL)
 219		return 0;
 220
 
 221	drm_sched_entity_destroy(&adev->vce.entity);
 222
 223	amdgpu_bo_free_kernel(&adev->vce.vcpu_bo, &adev->vce.gpu_addr,
 224		(void **)&adev->vce.cpu_addr);
 225
 226	for (i = 0; i < adev->vce.num_rings; i++)
 227		amdgpu_ring_fini(&adev->vce.ring[i]);
 228
 229	release_firmware(adev->vce.fw);
 230	mutex_destroy(&adev->vce.idle_mutex);
 231
 232	return 0;
 233}
 234
 235/**
 236 * amdgpu_vce_entity_init - init entity
 237 *
 238 * @adev: amdgpu_device pointer
 239 *
 240 */
 241int amdgpu_vce_entity_init(struct amdgpu_device *adev)
 242{
 243	struct amdgpu_ring *ring;
 244	struct drm_gpu_scheduler *sched;
 245	int r;
 246
 247	ring = &adev->vce.ring[0];
 248	sched = &ring->sched;
 249	r = drm_sched_entity_init(&adev->vce.entity, DRM_SCHED_PRIORITY_NORMAL,
 250				  &sched, 1, NULL);
 251	if (r != 0) {
 252		DRM_ERROR("Failed setting up VCE run queue.\n");
 253		return r;
 254	}
 255
 256	return 0;
 257}
 258
 259/**
 260 * amdgpu_vce_suspend - unpin VCE fw memory
 261 *
 262 * @adev: amdgpu_device pointer
 263 *
 264 */
 265int amdgpu_vce_suspend(struct amdgpu_device *adev)
 266{
 267	int i;
 268
 269	cancel_delayed_work_sync(&adev->vce.idle_work);
 270
 271	if (adev->vce.vcpu_bo == NULL)
 272		return 0;
 273
 274	for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i)
 275		if (atomic_read(&adev->vce.handles[i]))
 276			break;
 277
 278	if (i == AMDGPU_MAX_VCE_HANDLES)
 279		return 0;
 280
 281	/* TODO: suspending running encoding sessions isn't supported */
 282	return -EINVAL;
 283}
 284
 285/**
 286 * amdgpu_vce_resume - pin VCE fw memory
 287 *
 288 * @adev: amdgpu_device pointer
 289 *
 290 */
 291int amdgpu_vce_resume(struct amdgpu_device *adev)
 292{
 293	void *cpu_addr;
 294	const struct common_firmware_header *hdr;
 295	unsigned offset;
 296	int r, idx;
 297
 298	if (adev->vce.vcpu_bo == NULL)
 299		return -EINVAL;
 300
 301	r = amdgpu_bo_reserve(adev->vce.vcpu_bo, false);
 302	if (r) {
 303		dev_err(adev->dev, "(%d) failed to reserve VCE bo\n", r);
 304		return r;
 305	}
 306
 307	r = amdgpu_bo_kmap(adev->vce.vcpu_bo, &cpu_addr);
 308	if (r) {
 309		amdgpu_bo_unreserve(adev->vce.vcpu_bo);
 310		dev_err(adev->dev, "(%d) VCE map failed\n", r);
 311		return r;
 312	}
 313
 314	hdr = (const struct common_firmware_header *)adev->vce.fw->data;
 315	offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
 316
 317	if (drm_dev_enter(adev_to_drm(adev), &idx)) {
 318		memcpy_toio(cpu_addr, adev->vce.fw->data + offset,
 319			    adev->vce.fw->size - offset);
 320		drm_dev_exit(idx);
 321	}
 322
 323	amdgpu_bo_kunmap(adev->vce.vcpu_bo);
 324
 325	amdgpu_bo_unreserve(adev->vce.vcpu_bo);
 326
 327	return 0;
 328}
 329
 330/**
 331 * amdgpu_vce_idle_work_handler - power off VCE
 332 *
 333 * @work: pointer to work structure
 334 *
 335 * power of VCE when it's not used any more
 336 */
 337static void amdgpu_vce_idle_work_handler(struct work_struct *work)
 338{
 339	struct amdgpu_device *adev =
 340		container_of(work, struct amdgpu_device, vce.idle_work.work);
 341	unsigned i, count = 0;
 342
 343	for (i = 0; i < adev->vce.num_rings; i++)
 344		count += amdgpu_fence_count_emitted(&adev->vce.ring[i]);
 345
 346	if (count == 0) {
 347		if (adev->pm.dpm_enabled) {
 348			amdgpu_dpm_enable_vce(adev, false);
 349		} else {
 350			amdgpu_asic_set_vce_clocks(adev, 0, 0);
 351			amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
 352							       AMD_PG_STATE_GATE);
 353			amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
 354							       AMD_CG_STATE_GATE);
 355		}
 356	} else {
 357		schedule_delayed_work(&adev->vce.idle_work, VCE_IDLE_TIMEOUT);
 358	}
 359}
 360
 361/**
 362 * amdgpu_vce_ring_begin_use - power up VCE
 363 *
 364 * @ring: amdgpu ring
 365 *
 366 * Make sure VCE is powerd up when we want to use it
 367 */
 368void amdgpu_vce_ring_begin_use(struct amdgpu_ring *ring)
 369{
 370	struct amdgpu_device *adev = ring->adev;
 371	bool set_clocks;
 372
 373	if (amdgpu_sriov_vf(adev))
 374		return;
 375
 376	mutex_lock(&adev->vce.idle_mutex);
 377	set_clocks = !cancel_delayed_work_sync(&adev->vce.idle_work);
 378	if (set_clocks) {
 379		if (adev->pm.dpm_enabled) {
 380			amdgpu_dpm_enable_vce(adev, true);
 381		} else {
 382			amdgpu_asic_set_vce_clocks(adev, 53300, 40000);
 383			amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
 384							       AMD_CG_STATE_UNGATE);
 385			amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
 386							       AMD_PG_STATE_UNGATE);
 387
 388		}
 389	}
 390	mutex_unlock(&adev->vce.idle_mutex);
 391}
 392
 393/**
 394 * amdgpu_vce_ring_end_use - power VCE down
 395 *
 396 * @ring: amdgpu ring
 397 *
 398 * Schedule work to power VCE down again
 399 */
 400void amdgpu_vce_ring_end_use(struct amdgpu_ring *ring)
 401{
 402	if (!amdgpu_sriov_vf(ring->adev))
 403		schedule_delayed_work(&ring->adev->vce.idle_work, VCE_IDLE_TIMEOUT);
 404}
 405
 406/**
 407 * amdgpu_vce_free_handles - free still open VCE handles
 408 *
 409 * @adev: amdgpu_device pointer
 410 * @filp: drm file pointer
 411 *
 412 * Close all VCE handles still open by this file pointer
 413 */
 414void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
 415{
 416	struct amdgpu_ring *ring = &adev->vce.ring[0];
 417	int i, r;
 418	for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
 419		uint32_t handle = atomic_read(&adev->vce.handles[i]);
 420
 421		if (!handle || adev->vce.filp[i] != filp)
 422			continue;
 423
 424		r = amdgpu_vce_get_destroy_msg(ring, handle, false, NULL);
 425		if (r)
 426			DRM_ERROR("Error destroying VCE handle (%d)!\n", r);
 427
 428		adev->vce.filp[i] = NULL;
 429		atomic_set(&adev->vce.handles[i], 0);
 430	}
 431}
 432
 433/**
 434 * amdgpu_vce_get_create_msg - generate a VCE create msg
 435 *
 
 436 * @ring: ring we should submit the msg to
 437 * @handle: VCE session handle to use
 438 * @fence: optional fence to return
 439 *
 440 * Open up a stream for HW test
 441 */
 442static int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
 
 443				     struct dma_fence **fence)
 444{
 445	const unsigned ib_size_dw = 1024;
 446	struct amdgpu_job *job;
 447	struct amdgpu_ib *ib;
 448	struct amdgpu_ib ib_msg;
 449	struct dma_fence *f = NULL;
 450	uint64_t addr;
 451	int i, r;
 452
 453	r = amdgpu_job_alloc_with_ib(ring->adev, &ring->adev->vce.entity,
 454				     AMDGPU_FENCE_OWNER_UNDEFINED,
 455				     ib_size_dw * 4, AMDGPU_IB_POOL_DIRECT,
 456				     &job);
 457	if (r)
 458		return r;
 459
 460	memset(&ib_msg, 0, sizeof(ib_msg));
 461	/* only one gpu page is needed, alloc +1 page to make addr aligned. */
 462	r = amdgpu_ib_get(ring->adev, NULL, AMDGPU_GPU_PAGE_SIZE * 2,
 463			  AMDGPU_IB_POOL_DIRECT,
 464			  &ib_msg);
 465	if (r)
 466		goto err;
 467
 468	ib = &job->ibs[0];
 469	/* let addr point to page boundary */
 470	addr = AMDGPU_GPU_PAGE_ALIGN(ib_msg.gpu_addr);
 471
 472	/* stitch together an VCE create msg */
 473	ib->length_dw = 0;
 474	ib->ptr[ib->length_dw++] = 0x0000000c; /* len */
 475	ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */
 476	ib->ptr[ib->length_dw++] = handle;
 477
 478	if ((ring->adev->vce.fw_version >> 24) >= 52)
 479		ib->ptr[ib->length_dw++] = 0x00000040; /* len */
 480	else
 481		ib->ptr[ib->length_dw++] = 0x00000030; /* len */
 482	ib->ptr[ib->length_dw++] = 0x01000001; /* create cmd */
 483	ib->ptr[ib->length_dw++] = 0x00000000;
 484	ib->ptr[ib->length_dw++] = 0x00000042;
 485	ib->ptr[ib->length_dw++] = 0x0000000a;
 486	ib->ptr[ib->length_dw++] = 0x00000001;
 487	ib->ptr[ib->length_dw++] = 0x00000080;
 488	ib->ptr[ib->length_dw++] = 0x00000060;
 489	ib->ptr[ib->length_dw++] = 0x00000100;
 490	ib->ptr[ib->length_dw++] = 0x00000100;
 491	ib->ptr[ib->length_dw++] = 0x0000000c;
 492	ib->ptr[ib->length_dw++] = 0x00000000;
 493	if ((ring->adev->vce.fw_version >> 24) >= 52) {
 494		ib->ptr[ib->length_dw++] = 0x00000000;
 495		ib->ptr[ib->length_dw++] = 0x00000000;
 496		ib->ptr[ib->length_dw++] = 0x00000000;
 497		ib->ptr[ib->length_dw++] = 0x00000000;
 498	}
 499
 500	ib->ptr[ib->length_dw++] = 0x00000014; /* len */
 501	ib->ptr[ib->length_dw++] = 0x05000005; /* feedback buffer */
 502	ib->ptr[ib->length_dw++] = upper_32_bits(addr);
 503	ib->ptr[ib->length_dw++] = addr;
 504	ib->ptr[ib->length_dw++] = 0x00000001;
 505
 506	for (i = ib->length_dw; i < ib_size_dw; ++i)
 507		ib->ptr[i] = 0x0;
 508
 509	r = amdgpu_job_submit_direct(job, ring, &f);
 510	amdgpu_ib_free(ring->adev, &ib_msg, f);
 511	if (r)
 512		goto err;
 513
 514	if (fence)
 515		*fence = dma_fence_get(f);
 516	dma_fence_put(f);
 517	return 0;
 518
 519err:
 520	amdgpu_job_free(job);
 521	return r;
 522}
 523
 524/**
 525 * amdgpu_vce_get_destroy_msg - generate a VCE destroy msg
 526 *
 
 527 * @ring: ring we should submit the msg to
 528 * @handle: VCE session handle to use
 529 * @direct: direct or delayed pool
 530 * @fence: optional fence to return
 531 *
 532 * Close up a stream for HW test or if userspace failed to do so
 533 */
 534static int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
 535				      bool direct, struct dma_fence **fence)
 536{
 537	const unsigned ib_size_dw = 1024;
 538	struct amdgpu_job *job;
 539	struct amdgpu_ib *ib;
 540	struct dma_fence *f = NULL;
 541	int i, r;
 542
 543	r = amdgpu_job_alloc_with_ib(ring->adev, &ring->adev->vce.entity,
 544				     AMDGPU_FENCE_OWNER_UNDEFINED,
 545				     ib_size_dw * 4,
 546				     direct ? AMDGPU_IB_POOL_DIRECT :
 547				     AMDGPU_IB_POOL_DELAYED, &job);
 548	if (r)
 549		return r;
 550
 551	ib = &job->ibs[0];
 552
 553	/* stitch together an VCE destroy msg */
 554	ib->length_dw = 0;
 555	ib->ptr[ib->length_dw++] = 0x0000000c; /* len */
 556	ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */
 557	ib->ptr[ib->length_dw++] = handle;
 558
 559	ib->ptr[ib->length_dw++] = 0x00000020; /* len */
 560	ib->ptr[ib->length_dw++] = 0x00000002; /* task info */
 561	ib->ptr[ib->length_dw++] = 0xffffffff; /* next task info, set to 0xffffffff if no */
 562	ib->ptr[ib->length_dw++] = 0x00000001; /* destroy session */
 563	ib->ptr[ib->length_dw++] = 0x00000000;
 564	ib->ptr[ib->length_dw++] = 0x00000000;
 565	ib->ptr[ib->length_dw++] = 0xffffffff; /* feedback is not needed, set to 0xffffffff and firmware will not output feedback */
 566	ib->ptr[ib->length_dw++] = 0x00000000;
 567
 568	ib->ptr[ib->length_dw++] = 0x00000008; /* len */
 569	ib->ptr[ib->length_dw++] = 0x02000001; /* destroy cmd */
 570
 571	for (i = ib->length_dw; i < ib_size_dw; ++i)
 572		ib->ptr[i] = 0x0;
 573
 574	if (direct)
 575		r = amdgpu_job_submit_direct(job, ring, &f);
 576	else
 577		f = amdgpu_job_submit(job);
 
 578	if (r)
 579		goto err;
 580
 581	if (fence)
 582		*fence = dma_fence_get(f);
 583	dma_fence_put(f);
 584	return 0;
 585
 586err:
 587	amdgpu_job_free(job);
 588	return r;
 589}
 590
 591/**
 592 * amdgpu_vce_validate_bo - make sure not to cross 4GB boundary
 593 *
 594 * @ib: indirect buffer to use
 595 * @lo: address of lower dword
 596 * @hi: address of higher dword
 597 * @size: minimum size
 598 * @index: bs/fb index
 599 *
 600 * Make sure that no BO cross a 4GB boundary.
 601 */
 602static int amdgpu_vce_validate_bo(struct amdgpu_cs_parser *p,
 603				  struct amdgpu_ib *ib, int lo, int hi,
 604				  unsigned size, int32_t index)
 605{
 606	int64_t offset = ((uint64_t)size) * ((int64_t)index);
 607	struct ttm_operation_ctx ctx = { false, false };
 608	struct amdgpu_bo_va_mapping *mapping;
 609	unsigned i, fpfn, lpfn;
 610	struct amdgpu_bo *bo;
 611	uint64_t addr;
 612	int r;
 613
 614	addr = ((uint64_t)amdgpu_ib_get_value(ib, lo)) |
 615	       ((uint64_t)amdgpu_ib_get_value(ib, hi)) << 32;
 616	if (index >= 0) {
 617		addr += offset;
 618		fpfn = PAGE_ALIGN(offset) >> PAGE_SHIFT;
 619		lpfn = 0x100000000ULL >> PAGE_SHIFT;
 620	} else {
 621		fpfn = 0;
 622		lpfn = (0x100000000ULL - PAGE_ALIGN(offset)) >> PAGE_SHIFT;
 623	}
 624
 625	r = amdgpu_cs_find_mapping(p, addr, &bo, &mapping);
 626	if (r) {
 627		DRM_ERROR("Can't find BO for addr 0x%010Lx %d %d %d %d\n",
 628			  addr, lo, hi, size, index);
 629		return r;
 630	}
 631
 632	for (i = 0; i < bo->placement.num_placement; ++i) {
 633		bo->placements[i].fpfn = max(bo->placements[i].fpfn, fpfn);
 634		bo->placements[i].lpfn = bo->placements[i].lpfn ?
 635			min(bo->placements[i].lpfn, lpfn) : lpfn;
 636	}
 637	return ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
 638}
 639
 640
 641/**
 642 * amdgpu_vce_cs_reloc - command submission relocation
 643 *
 644 * @p: parser context
 645 * @ib: indirect buffer to use
 646 * @lo: address of lower dword
 647 * @hi: address of higher dword
 648 * @size: minimum size
 649 * @index: bs/fb index
 650 *
 651 * Patch relocation inside command stream with real buffer address
 652 */
 653static int amdgpu_vce_cs_reloc(struct amdgpu_cs_parser *p, struct amdgpu_ib *ib,
 654			       int lo, int hi, unsigned size, uint32_t index)
 655{
 656	struct amdgpu_bo_va_mapping *mapping;
 657	struct amdgpu_bo *bo;
 658	uint64_t addr;
 659	int r;
 660
 661	if (index == 0xffffffff)
 662		index = 0;
 663
 664	addr = ((uint64_t)amdgpu_ib_get_value(ib, lo)) |
 665	       ((uint64_t)amdgpu_ib_get_value(ib, hi)) << 32;
 666	addr += ((uint64_t)size) * ((uint64_t)index);
 667
 668	r = amdgpu_cs_find_mapping(p, addr, &bo, &mapping);
 669	if (r) {
 670		DRM_ERROR("Can't find BO for addr 0x%010Lx %d %d %d %d\n",
 671			  addr, lo, hi, size, index);
 672		return r;
 673	}
 674
 675	if ((addr + (uint64_t)size) >
 676	    (mapping->last + 1) * AMDGPU_GPU_PAGE_SIZE) {
 677		DRM_ERROR("BO too small for addr 0x%010Lx %d %d\n",
 678			  addr, lo, hi);
 679		return -EINVAL;
 680	}
 681
 682	addr -= mapping->start * AMDGPU_GPU_PAGE_SIZE;
 683	addr += amdgpu_bo_gpu_offset(bo);
 684	addr -= ((uint64_t)size) * ((uint64_t)index);
 685
 686	amdgpu_ib_set_value(ib, lo, lower_32_bits(addr));
 687	amdgpu_ib_set_value(ib, hi, upper_32_bits(addr));
 688
 689	return 0;
 690}
 691
 692/**
 693 * amdgpu_vce_validate_handle - validate stream handle
 694 *
 695 * @p: parser context
 696 * @handle: handle to validate
 697 * @allocated: allocated a new handle?
 698 *
 699 * Validates the handle and return the found session index or -EINVAL
 700 * we we don't have another free session index.
 701 */
 702static int amdgpu_vce_validate_handle(struct amdgpu_cs_parser *p,
 703				      uint32_t handle, uint32_t *allocated)
 704{
 705	unsigned i;
 706
 707	/* validate the handle */
 708	for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
 709		if (atomic_read(&p->adev->vce.handles[i]) == handle) {
 710			if (p->adev->vce.filp[i] != p->filp) {
 711				DRM_ERROR("VCE handle collision detected!\n");
 712				return -EINVAL;
 713			}
 714			return i;
 715		}
 716	}
 717
 718	/* handle not found try to alloc a new one */
 719	for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
 720		if (!atomic_cmpxchg(&p->adev->vce.handles[i], 0, handle)) {
 721			p->adev->vce.filp[i] = p->filp;
 722			p->adev->vce.img_size[i] = 0;
 723			*allocated |= 1 << i;
 724			return i;
 725		}
 726	}
 727
 728	DRM_ERROR("No more free VCE handles!\n");
 729	return -EINVAL;
 730}
 731
 732/**
 733 * amdgpu_vce_ring_parse_cs - parse and validate the command stream
 734 *
 735 * @p: parser context
 736 * @job: the job to parse
 737 * @ib: the IB to patch
 738 */
 739int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p,
 740			     struct amdgpu_job *job,
 741			     struct amdgpu_ib *ib)
 742{
 
 743	unsigned fb_idx = 0, bs_idx = 0;
 744	int session_idx = -1;
 745	uint32_t destroyed = 0;
 746	uint32_t created = 0;
 747	uint32_t allocated = 0;
 748	uint32_t tmp, handle = 0;
 749	uint32_t *size = &tmp;
 750	unsigned idx;
 751	int i, r = 0;
 752
 753	job->vm = NULL;
 754	ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo);
 755
 756	for (idx = 0; idx < ib->length_dw;) {
 757		uint32_t len = amdgpu_ib_get_value(ib, idx);
 758		uint32_t cmd = amdgpu_ib_get_value(ib, idx + 1);
 759
 760		if ((len < 8) || (len & 3)) {
 761			DRM_ERROR("invalid VCE command length (%d)!\n", len);
 762			r = -EINVAL;
 763			goto out;
 764		}
 765
 766		switch (cmd) {
 767		case 0x00000002: /* task info */
 768			fb_idx = amdgpu_ib_get_value(ib, idx + 6);
 769			bs_idx = amdgpu_ib_get_value(ib, idx + 7);
 770			break;
 771
 772		case 0x03000001: /* encode */
 773			r = amdgpu_vce_validate_bo(p, ib, idx + 10, idx + 9,
 774						   0, 0);
 775			if (r)
 776				goto out;
 777
 778			r = amdgpu_vce_validate_bo(p, ib, idx + 12, idx + 11,
 779						   0, 0);
 780			if (r)
 781				goto out;
 782			break;
 783
 784		case 0x05000001: /* context buffer */
 785			r = amdgpu_vce_validate_bo(p, ib, idx + 3, idx + 2,
 786						   0, 0);
 787			if (r)
 788				goto out;
 789			break;
 790
 791		case 0x05000004: /* video bitstream buffer */
 792			tmp = amdgpu_ib_get_value(ib, idx + 4);
 793			r = amdgpu_vce_validate_bo(p, ib, idx + 3, idx + 2,
 794						   tmp, bs_idx);
 795			if (r)
 796				goto out;
 797			break;
 798
 799		case 0x05000005: /* feedback buffer */
 800			r = amdgpu_vce_validate_bo(p, ib, idx + 3, idx + 2,
 801						   4096, fb_idx);
 802			if (r)
 803				goto out;
 804			break;
 805
 806		case 0x0500000d: /* MV buffer */
 807			r = amdgpu_vce_validate_bo(p, ib, idx + 3, idx + 2,
 808						   0, 0);
 809			if (r)
 810				goto out;
 811
 812			r = amdgpu_vce_validate_bo(p, ib, idx + 8, idx + 7,
 813						   0, 0);
 814			if (r)
 815				goto out;
 816			break;
 817		}
 818
 819		idx += len / 4;
 820	}
 821
 822	for (idx = 0; idx < ib->length_dw;) {
 823		uint32_t len = amdgpu_ib_get_value(ib, idx);
 824		uint32_t cmd = amdgpu_ib_get_value(ib, idx + 1);
 825
 826		switch (cmd) {
 827		case 0x00000001: /* session */
 828			handle = amdgpu_ib_get_value(ib, idx + 2);
 829			session_idx = amdgpu_vce_validate_handle(p, handle,
 830								 &allocated);
 831			if (session_idx < 0) {
 832				r = session_idx;
 833				goto out;
 834			}
 835			size = &p->adev->vce.img_size[session_idx];
 836			break;
 837
 838		case 0x00000002: /* task info */
 839			fb_idx = amdgpu_ib_get_value(ib, idx + 6);
 840			bs_idx = amdgpu_ib_get_value(ib, idx + 7);
 841			break;
 842
 843		case 0x01000001: /* create */
 844			created |= 1 << session_idx;
 845			if (destroyed & (1 << session_idx)) {
 846				destroyed &= ~(1 << session_idx);
 847				allocated |= 1 << session_idx;
 848
 849			} else if (!(allocated & (1 << session_idx))) {
 850				DRM_ERROR("Handle already in use!\n");
 851				r = -EINVAL;
 852				goto out;
 853			}
 854
 855			*size = amdgpu_ib_get_value(ib, idx + 8) *
 856				amdgpu_ib_get_value(ib, idx + 10) *
 857				8 * 3 / 2;
 858			break;
 859
 860		case 0x04000001: /* config extension */
 861		case 0x04000002: /* pic control */
 862		case 0x04000005: /* rate control */
 863		case 0x04000007: /* motion estimation */
 864		case 0x04000008: /* rdo */
 865		case 0x04000009: /* vui */
 866		case 0x05000002: /* auxiliary buffer */
 867		case 0x05000009: /* clock table */
 868			break;
 869
 870		case 0x0500000c: /* hw config */
 871			switch (p->adev->asic_type) {
 872#ifdef CONFIG_DRM_AMDGPU_CIK
 873			case CHIP_KAVERI:
 874			case CHIP_MULLINS:
 875#endif
 876			case CHIP_CARRIZO:
 877				break;
 878			default:
 879				r = -EINVAL;
 880				goto out;
 881			}
 882			break;
 883
 884		case 0x03000001: /* encode */
 885			r = amdgpu_vce_cs_reloc(p, ib, idx + 10, idx + 9,
 886						*size, 0);
 887			if (r)
 888				goto out;
 889
 890			r = amdgpu_vce_cs_reloc(p, ib, idx + 12, idx + 11,
 891						*size / 3, 0);
 892			if (r)
 893				goto out;
 894			break;
 895
 896		case 0x02000001: /* destroy */
 897			destroyed |= 1 << session_idx;
 898			break;
 899
 900		case 0x05000001: /* context buffer */
 901			r = amdgpu_vce_cs_reloc(p, ib, idx + 3, idx + 2,
 902						*size * 2, 0);
 903			if (r)
 904				goto out;
 905			break;
 906
 907		case 0x05000004: /* video bitstream buffer */
 908			tmp = amdgpu_ib_get_value(ib, idx + 4);
 909			r = amdgpu_vce_cs_reloc(p, ib, idx + 3, idx + 2,
 910						tmp, bs_idx);
 911			if (r)
 912				goto out;
 913			break;
 914
 915		case 0x05000005: /* feedback buffer */
 916			r = amdgpu_vce_cs_reloc(p, ib, idx + 3, idx + 2,
 917						4096, fb_idx);
 918			if (r)
 919				goto out;
 920			break;
 921
 922		case 0x0500000d: /* MV buffer */
 923			r = amdgpu_vce_cs_reloc(p, ib, idx + 3,
 924						idx + 2, *size, 0);
 925			if (r)
 926				goto out;
 927
 928			r = amdgpu_vce_cs_reloc(p, ib, idx + 8,
 929						idx + 7, *size / 12, 0);
 930			if (r)
 931				goto out;
 932			break;
 933
 934		default:
 935			DRM_ERROR("invalid VCE command (0x%x)!\n", cmd);
 936			r = -EINVAL;
 937			goto out;
 938		}
 939
 940		if (session_idx == -1) {
 941			DRM_ERROR("no session command at start of IB\n");
 942			r = -EINVAL;
 943			goto out;
 944		}
 945
 946		idx += len / 4;
 947	}
 948
 949	if (allocated & ~created) {
 950		DRM_ERROR("New session without create command!\n");
 951		r = -ENOENT;
 952	}
 953
 954out:
 955	if (!r) {
 956		/* No error, free all destroyed handle slots */
 957		tmp = destroyed;
 958	} else {
 959		/* Error during parsing, free all allocated handle slots */
 960		tmp = allocated;
 961	}
 962
 963	for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i)
 964		if (tmp & (1 << i))
 965			atomic_set(&p->adev->vce.handles[i], 0);
 966
 967	return r;
 968}
 969
 970/**
 971 * amdgpu_vce_ring_parse_cs_vm - parse the command stream in VM mode
 972 *
 973 * @p: parser context
 974 * @job: the job to parse
 975 * @ib: the IB to patch
 976 */
 977int amdgpu_vce_ring_parse_cs_vm(struct amdgpu_cs_parser *p,
 978				struct amdgpu_job *job,
 979				struct amdgpu_ib *ib)
 980{
 
 981	int session_idx = -1;
 982	uint32_t destroyed = 0;
 983	uint32_t created = 0;
 984	uint32_t allocated = 0;
 985	uint32_t tmp, handle = 0;
 986	int i, r = 0, idx = 0;
 987
 988	while (idx < ib->length_dw) {
 989		uint32_t len = amdgpu_ib_get_value(ib, idx);
 990		uint32_t cmd = amdgpu_ib_get_value(ib, idx + 1);
 991
 992		if ((len < 8) || (len & 3)) {
 993			DRM_ERROR("invalid VCE command length (%d)!\n", len);
 994			r = -EINVAL;
 995			goto out;
 996		}
 997
 998		switch (cmd) {
 999		case 0x00000001: /* session */
1000			handle = amdgpu_ib_get_value(ib, idx + 2);
1001			session_idx = amdgpu_vce_validate_handle(p, handle,
1002								 &allocated);
1003			if (session_idx < 0) {
1004				r = session_idx;
1005				goto out;
1006			}
1007			break;
1008
1009		case 0x01000001: /* create */
1010			created |= 1 << session_idx;
1011			if (destroyed & (1 << session_idx)) {
1012				destroyed &= ~(1 << session_idx);
1013				allocated |= 1 << session_idx;
1014
1015			} else if (!(allocated & (1 << session_idx))) {
1016				DRM_ERROR("Handle already in use!\n");
1017				r = -EINVAL;
1018				goto out;
1019			}
1020
1021			break;
1022
1023		case 0x02000001: /* destroy */
1024			destroyed |= 1 << session_idx;
1025			break;
1026
1027		default:
1028			break;
1029		}
1030
1031		if (session_idx == -1) {
1032			DRM_ERROR("no session command at start of IB\n");
1033			r = -EINVAL;
1034			goto out;
1035		}
1036
1037		idx += len / 4;
1038	}
1039
1040	if (allocated & ~created) {
1041		DRM_ERROR("New session without create command!\n");
1042		r = -ENOENT;
1043	}
1044
1045out:
1046	if (!r) {
1047		/* No error, free all destroyed handle slots */
1048		tmp = destroyed;
1049		amdgpu_ib_free(p->adev, ib, NULL);
1050	} else {
1051		/* Error during parsing, free all allocated handle slots */
1052		tmp = allocated;
1053	}
1054
1055	for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i)
1056		if (tmp & (1 << i))
1057			atomic_set(&p->adev->vce.handles[i], 0);
1058
1059	return r;
1060}
1061
1062/**
1063 * amdgpu_vce_ring_emit_ib - execute indirect buffer
1064 *
1065 * @ring: engine to use
1066 * @job: job to retrieve vmid from
1067 * @ib: the IB to execute
1068 * @flags: unused
1069 *
1070 */
1071void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring,
1072				struct amdgpu_job *job,
1073				struct amdgpu_ib *ib,
1074				uint32_t flags)
1075{
1076	amdgpu_ring_write(ring, VCE_CMD_IB);
1077	amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
1078	amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
1079	amdgpu_ring_write(ring, ib->length_dw);
1080}
1081
1082/**
1083 * amdgpu_vce_ring_emit_fence - add a fence command to the ring
1084 *
1085 * @ring: engine to use
1086 * @addr: address
1087 * @seq: sequence number
1088 * @flags: fence related flags
1089 *
1090 */
1091void amdgpu_vce_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
1092				unsigned flags)
1093{
1094	WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
1095
1096	amdgpu_ring_write(ring, VCE_CMD_FENCE);
1097	amdgpu_ring_write(ring, addr);
1098	amdgpu_ring_write(ring, upper_32_bits(addr));
1099	amdgpu_ring_write(ring, seq);
1100	amdgpu_ring_write(ring, VCE_CMD_TRAP);
1101	amdgpu_ring_write(ring, VCE_CMD_END);
1102}
1103
1104/**
1105 * amdgpu_vce_ring_test_ring - test if VCE ring is working
1106 *
1107 * @ring: the engine to test on
1108 *
1109 */
1110int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring)
1111{
1112	struct amdgpu_device *adev = ring->adev;
1113	uint32_t rptr;
1114	unsigned i;
1115	int r, timeout = adev->usec_timeout;
1116
1117	/* skip ring test for sriov*/
1118	if (amdgpu_sriov_vf(adev))
1119		return 0;
1120
1121	r = amdgpu_ring_alloc(ring, 16);
1122	if (r)
1123		return r;
1124
1125	rptr = amdgpu_ring_get_rptr(ring);
1126
1127	amdgpu_ring_write(ring, VCE_CMD_END);
1128	amdgpu_ring_commit(ring);
1129
1130	for (i = 0; i < timeout; i++) {
1131		if (amdgpu_ring_get_rptr(ring) != rptr)
1132			break;
1133		udelay(1);
1134	}
1135
1136	if (i >= timeout)
1137		r = -ETIMEDOUT;
1138
1139	return r;
1140}
1141
1142/**
1143 * amdgpu_vce_ring_test_ib - test if VCE IBs are working
1144 *
1145 * @ring: the engine to test on
1146 * @timeout: timeout value in jiffies, or MAX_SCHEDULE_TIMEOUT
1147 *
1148 */
1149int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout)
1150{
1151	struct dma_fence *fence = NULL;
 
1152	long r;
1153
1154	/* skip vce ring1/2 ib test for now, since it's not reliable */
1155	if (ring != &ring->adev->vce.ring[0])
1156		return 0;
1157
1158	r = amdgpu_vce_get_create_msg(ring, 1, NULL);
 
 
 
 
 
 
1159	if (r)
1160		goto error;
1161
1162	r = amdgpu_vce_get_destroy_msg(ring, 1, true, &fence);
1163	if (r)
1164		goto error;
1165
1166	r = dma_fence_wait_timeout(fence, false, timeout);
1167	if (r == 0)
1168		r = -ETIMEDOUT;
1169	else if (r > 0)
1170		r = 0;
1171
1172error:
1173	dma_fence_put(fence);
 
 
1174	return r;
1175}
1176
1177enum amdgpu_ring_priority_level amdgpu_vce_get_ring_prio(int ring)
1178{
1179	switch(ring) {
1180	case 0:
1181		return AMDGPU_RING_PRIO_0;
1182	case 1:
1183		return AMDGPU_RING_PRIO_1;
1184	case 2:
1185		return AMDGPU_RING_PRIO_2;
1186	default:
1187		return AMDGPU_RING_PRIO_0;
1188	}
1189}