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ubuntu-linux-kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c

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2024-04-01 15:06:58 +00:00
/*
* Copyright 2011 Advanced Micro Devices, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
*/
/*
* Authors:
* Christian König <deathsimple@vodafone.de>
*/
#include <linux/firmware.h>
#include <linux/module.h>
#include <drm/drmP.h>
#include <drm/drm.h>
#include "amdgpu.h"
#include "amdgpu_pm.h"
#include "amdgpu_uvd.h"
#include "cikd.h"
#include "uvd/uvd_4_2_d.h"
/* 1 second timeout */
#define UVD_IDLE_TIMEOUT msecs_to_jiffies(1000)
/* Firmware versions for VI */
#define FW_1_65_10 ((1 << 24) | (65 << 16) | (10 << 8))
#define FW_1_87_11 ((1 << 24) | (87 << 16) | (11 << 8))
#define FW_1_87_12 ((1 << 24) | (87 << 16) | (12 << 8))
#define FW_1_37_15 ((1 << 24) | (37 << 16) | (15 << 8))
/* Polaris10/11 firmware version */
#define FW_1_66_16 ((1 << 24) | (66 << 16) | (16 << 8))
/* Firmware Names */
#ifdef CONFIG_DRM_AMDGPU_CIK
#define FIRMWARE_BONAIRE "radeon/bonaire_uvd.bin"
#define FIRMWARE_KABINI "radeon/kabini_uvd.bin"
#define FIRMWARE_KAVERI "radeon/kaveri_uvd.bin"
#define FIRMWARE_HAWAII "radeon/hawaii_uvd.bin"
#define FIRMWARE_MULLINS "radeon/mullins_uvd.bin"
#endif
#define FIRMWARE_TONGA "amdgpu/tonga_uvd.bin"
#define FIRMWARE_CARRIZO "amdgpu/carrizo_uvd.bin"
#define FIRMWARE_FIJI "amdgpu/fiji_uvd.bin"
#define FIRMWARE_STONEY "amdgpu/stoney_uvd.bin"
#define FIRMWARE_POLARIS10 "amdgpu/polaris10_uvd.bin"
#define FIRMWARE_POLARIS11 "amdgpu/polaris11_uvd.bin"
#define FIRMWARE_POLARIS12 "amdgpu/polaris12_uvd.bin"
#define FIRMWARE_VEGA10 "amdgpu/vega10_uvd.bin"
#define mmUVD_GPCOM_VCPU_DATA0_VEGA10 (0x03c4 + 0x7e00)
#define mmUVD_GPCOM_VCPU_DATA1_VEGA10 (0x03c5 + 0x7e00)
#define mmUVD_GPCOM_VCPU_CMD_VEGA10 (0x03c3 + 0x7e00)
#define mmUVD_NO_OP_VEGA10 (0x03ff + 0x7e00)
#define mmUVD_ENGINE_CNTL_VEGA10 (0x03c6 + 0x7e00)
/**
* amdgpu_uvd_cs_ctx - Command submission parser context
*
* Used for emulating virtual memory support on UVD 4.2.
*/
struct amdgpu_uvd_cs_ctx {
struct amdgpu_cs_parser *parser;
unsigned reg, count;
unsigned data0, data1;
unsigned idx;
unsigned ib_idx;
/* does the IB has a msg command */
bool has_msg_cmd;
/* minimum buffer sizes */
unsigned *buf_sizes;
};
#ifdef CONFIG_DRM_AMDGPU_CIK
MODULE_FIRMWARE(FIRMWARE_BONAIRE);
MODULE_FIRMWARE(FIRMWARE_KABINI);
MODULE_FIRMWARE(FIRMWARE_KAVERI);
MODULE_FIRMWARE(FIRMWARE_HAWAII);
MODULE_FIRMWARE(FIRMWARE_MULLINS);
#endif
MODULE_FIRMWARE(FIRMWARE_TONGA);
MODULE_FIRMWARE(FIRMWARE_CARRIZO);
MODULE_FIRMWARE(FIRMWARE_FIJI);
MODULE_FIRMWARE(FIRMWARE_STONEY);
MODULE_FIRMWARE(FIRMWARE_POLARIS10);
MODULE_FIRMWARE(FIRMWARE_POLARIS11);
MODULE_FIRMWARE(FIRMWARE_POLARIS12);
MODULE_FIRMWARE(FIRMWARE_VEGA10);
static void amdgpu_uvd_idle_work_handler(struct work_struct *work);
int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
{
struct amdgpu_ring *ring;
struct amd_sched_rq *rq;
unsigned long bo_size;
const char *fw_name;
const struct common_firmware_header *hdr;
unsigned version_major, version_minor, family_id;
int i, r;
INIT_DELAYED_WORK(&adev->uvd.idle_work, amdgpu_uvd_idle_work_handler);
switch (adev->asic_type) {
#ifdef CONFIG_DRM_AMDGPU_CIK
case CHIP_BONAIRE:
fw_name = FIRMWARE_BONAIRE;
break;
case CHIP_KABINI:
fw_name = FIRMWARE_KABINI;
break;
case CHIP_KAVERI:
fw_name = FIRMWARE_KAVERI;
break;
case CHIP_HAWAII:
fw_name = FIRMWARE_HAWAII;
break;
case CHIP_MULLINS:
fw_name = FIRMWARE_MULLINS;
break;
#endif
case CHIP_TONGA:
fw_name = FIRMWARE_TONGA;
break;
case CHIP_FIJI:
fw_name = FIRMWARE_FIJI;
break;
case CHIP_CARRIZO:
fw_name = FIRMWARE_CARRIZO;
break;
case CHIP_STONEY:
fw_name = FIRMWARE_STONEY;
break;
case CHIP_POLARIS10:
fw_name = FIRMWARE_POLARIS10;
break;
case CHIP_POLARIS11:
fw_name = FIRMWARE_POLARIS11;
break;
case CHIP_VEGA10:
fw_name = FIRMWARE_VEGA10;
break;
case CHIP_POLARIS12:
fw_name = FIRMWARE_POLARIS12;
break;
default:
return -EINVAL;
}
r = request_firmware(&adev->uvd.fw, fw_name, adev->dev);
if (r) {
dev_err(adev->dev, "amdgpu_uvd: Can't load firmware \"%s\"\n",
fw_name);
return r;
}
r = amdgpu_ucode_validate(adev->uvd.fw);
if (r) {
dev_err(adev->dev, "amdgpu_uvd: Can't validate firmware \"%s\"\n",
fw_name);
release_firmware(adev->uvd.fw);
adev->uvd.fw = NULL;
return r;
}
/* Set the default UVD handles that the firmware can handle */
adev->uvd.max_handles = AMDGPU_DEFAULT_UVD_HANDLES;
hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
DRM_INFO("Found UVD firmware Version: %hu.%hu Family ID: %hu\n",
version_major, version_minor, family_id);
/*
* Limit the number of UVD handles depending on microcode major
* and minor versions. The firmware version which has 40 UVD
* instances support is 1.80. So all subsequent versions should
* also have the same support.
*/
if ((version_major > 0x01) ||
((version_major == 0x01) && (version_minor >= 0x50)))
adev->uvd.max_handles = AMDGPU_MAX_UVD_HANDLES;
adev->uvd.fw_version = ((version_major << 24) | (version_minor << 16) |
(family_id << 8));
if ((adev->asic_type == CHIP_POLARIS10 ||
adev->asic_type == CHIP_POLARIS11) &&
(adev->uvd.fw_version < FW_1_66_16))
DRM_ERROR("POLARIS10/11 UVD firmware version %hu.%hu is too old.\n",
version_major, version_minor);
bo_size = AMDGPU_UVD_STACK_SIZE + AMDGPU_UVD_HEAP_SIZE
+ AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles;
if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_VRAM, &adev->uvd.vcpu_bo,
&adev->uvd.gpu_addr, &adev->uvd.cpu_addr);
if (r) {
dev_err(adev->dev, "(%d) failed to allocate UVD bo\n", r);
return r;
}
ring = &adev->uvd.ring;
rq = &ring->sched.sched_rq[AMD_SCHED_PRIORITY_NORMAL];
r = amd_sched_entity_init(&ring->sched, &adev->uvd.entity,
rq, amdgpu_sched_jobs);
if (r != 0) {
DRM_ERROR("Failed setting up UVD run queue.\n");
return r;
}
for (i = 0; i < adev->uvd.max_handles; ++i) {
atomic_set(&adev->uvd.handles[i], 0);
adev->uvd.filp[i] = NULL;
}
/* from uvd v5.0 HW addressing capacity increased to 64 bits */
if (!amdgpu_ip_block_version_cmp(adev, AMD_IP_BLOCK_TYPE_UVD, 5, 0))
adev->uvd.address_64_bit = true;
switch (adev->asic_type) {
case CHIP_TONGA:
adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_65_10;
break;
case CHIP_CARRIZO:
adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_87_11;
break;
case CHIP_FIJI:
adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_87_12;
break;
case CHIP_STONEY:
adev->uvd.use_ctx_buf = adev->uvd.fw_version >= FW_1_37_15;
break;
default:
adev->uvd.use_ctx_buf = adev->asic_type >= CHIP_POLARIS10;
}
return 0;
}
int amdgpu_uvd_sw_fini(struct amdgpu_device *adev)
{
int i;
kfree(adev->uvd.saved_bo);
amd_sched_entity_fini(&adev->uvd.ring.sched, &adev->uvd.entity);
amdgpu_bo_free_kernel(&adev->uvd.vcpu_bo,
&adev->uvd.gpu_addr,
(void **)&adev->uvd.cpu_addr);
amdgpu_ring_fini(&adev->uvd.ring);
for (i = 0; i < AMDGPU_MAX_UVD_ENC_RINGS; ++i)
amdgpu_ring_fini(&adev->uvd.ring_enc[i]);
release_firmware(adev->uvd.fw);
return 0;
}
int amdgpu_uvd_suspend(struct amdgpu_device *adev)
{
unsigned size;
void *ptr;
int i;
if (adev->uvd.vcpu_bo == NULL)
return 0;
for (i = 0; i < adev->uvd.max_handles; ++i)
if (atomic_read(&adev->uvd.handles[i]))
break;
if (i == AMDGPU_MAX_UVD_HANDLES)
return 0;
cancel_delayed_work_sync(&adev->uvd.idle_work);
size = amdgpu_bo_size(adev->uvd.vcpu_bo);
ptr = adev->uvd.cpu_addr;
adev->uvd.saved_bo = kmalloc(size, GFP_KERNEL);
if (!adev->uvd.saved_bo)
return -ENOMEM;
memcpy_fromio(adev->uvd.saved_bo, ptr, size);
return 0;
}
int amdgpu_uvd_resume(struct amdgpu_device *adev)
{
unsigned size;
void *ptr;
if (adev->uvd.vcpu_bo == NULL)
return -EINVAL;
size = amdgpu_bo_size(adev->uvd.vcpu_bo);
ptr = adev->uvd.cpu_addr;
if (adev->uvd.saved_bo != NULL) {
memcpy_toio(ptr, adev->uvd.saved_bo, size);
kfree(adev->uvd.saved_bo);
adev->uvd.saved_bo = NULL;
} else {
const struct common_firmware_header *hdr;
unsigned offset;
hdr = (const struct common_firmware_header *)adev->uvd.fw->data;
if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
memcpy_toio(adev->uvd.cpu_addr, adev->uvd.fw->data + offset,
le32_to_cpu(hdr->ucode_size_bytes));
size -= le32_to_cpu(hdr->ucode_size_bytes);
ptr += le32_to_cpu(hdr->ucode_size_bytes);
}
memset_io(ptr, 0, size);
}
return 0;
}
void amdgpu_uvd_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
{
struct amdgpu_ring *ring = &adev->uvd.ring;
int i, r;
for (i = 0; i < adev->uvd.max_handles; ++i) {
uint32_t handle = atomic_read(&adev->uvd.handles[i]);
if (handle != 0 && adev->uvd.filp[i] == filp) {
struct dma_fence *fence;
r = amdgpu_uvd_get_destroy_msg(ring, handle,
false, &fence);
if (r) {
DRM_ERROR("Error destroying UVD (%d)!\n", r);
continue;
}
dma_fence_wait(fence, false);
dma_fence_put(fence);
adev->uvd.filp[i] = NULL;
atomic_set(&adev->uvd.handles[i], 0);
}
}
}
static void amdgpu_uvd_force_into_uvd_segment(struct amdgpu_bo *abo)
{
int i;
for (i = 0; i < abo->placement.num_placement; ++i) {
abo->placements[i].fpfn = 0 >> PAGE_SHIFT;
abo->placements[i].lpfn = (256 * 1024 * 1024) >> PAGE_SHIFT;
}
}
static u64 amdgpu_uvd_get_addr_from_ctx(struct amdgpu_uvd_cs_ctx *ctx)
{
uint32_t lo, hi;
uint64_t addr;
lo = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->data0);
hi = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->data1);
addr = ((uint64_t)lo) | (((uint64_t)hi) << 32);
return addr;
}
/**
* amdgpu_uvd_cs_pass1 - first parsing round
*
* @ctx: UVD parser context
*
* Make sure UVD message and feedback buffers are in VRAM and
* nobody is violating an 256MB boundary.
*/
static int amdgpu_uvd_cs_pass1(struct amdgpu_uvd_cs_ctx *ctx)
{
struct amdgpu_bo_va_mapping *mapping;
struct amdgpu_bo *bo;
uint32_t cmd;
uint64_t addr = amdgpu_uvd_get_addr_from_ctx(ctx);
int r = 0;
r = amdgpu_cs_find_mapping(ctx->parser, addr, &bo, &mapping);
if (r) {
DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr);
return r;
}
if (!ctx->parser->adev->uvd.address_64_bit) {
/* check if it's a message or feedback command */
cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx) >> 1;
if (cmd == 0x0 || cmd == 0x3) {
/* yes, force it into VRAM */
uint32_t domain = AMDGPU_GEM_DOMAIN_VRAM;
amdgpu_ttm_placement_from_domain(bo, domain);
}
amdgpu_uvd_force_into_uvd_segment(bo);
r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
}
return r;
}
/**
* amdgpu_uvd_cs_msg_decode - handle UVD decode message
*
* @msg: pointer to message structure
* @buf_sizes: returned buffer sizes
*
* Peek into the decode message and calculate the necessary buffer sizes.
*/
static int amdgpu_uvd_cs_msg_decode(struct amdgpu_device *adev, uint32_t *msg,
unsigned buf_sizes[])
{
unsigned stream_type = msg[4];
unsigned width = msg[6];
unsigned height = msg[7];
unsigned dpb_size = msg[9];
unsigned pitch = msg[28];
unsigned level = msg[57];
unsigned width_in_mb = width / 16;
unsigned height_in_mb = ALIGN(height / 16, 2);
unsigned fs_in_mb = width_in_mb * height_in_mb;
unsigned image_size, tmp, min_dpb_size, num_dpb_buffer;
unsigned min_ctx_size = ~0;
image_size = width * height;
image_size += image_size / 2;
image_size = ALIGN(image_size, 1024);
switch (stream_type) {
case 0: /* H264 */
switch(level) {
case 30:
num_dpb_buffer = 8100 / fs_in_mb;
break;
case 31:
num_dpb_buffer = 18000 / fs_in_mb;
break;
case 32:
num_dpb_buffer = 20480 / fs_in_mb;
break;
case 41:
num_dpb_buffer = 32768 / fs_in_mb;
break;
case 42:
num_dpb_buffer = 34816 / fs_in_mb;
break;
case 50:
num_dpb_buffer = 110400 / fs_in_mb;
break;
case 51:
num_dpb_buffer = 184320 / fs_in_mb;
break;
default:
num_dpb_buffer = 184320 / fs_in_mb;
break;
}
num_dpb_buffer++;
if (num_dpb_buffer > 17)
num_dpb_buffer = 17;
/* reference picture buffer */
min_dpb_size = image_size * num_dpb_buffer;
/* macroblock context buffer */
min_dpb_size += width_in_mb * height_in_mb * num_dpb_buffer * 192;
/* IT surface buffer */
min_dpb_size += width_in_mb * height_in_mb * 32;
break;
case 1: /* VC1 */
/* reference picture buffer */
min_dpb_size = image_size * 3;
/* CONTEXT_BUFFER */
min_dpb_size += width_in_mb * height_in_mb * 128;
/* IT surface buffer */
min_dpb_size += width_in_mb * 64;
/* DB surface buffer */
min_dpb_size += width_in_mb * 128;
/* BP */
tmp = max(width_in_mb, height_in_mb);
min_dpb_size += ALIGN(tmp * 7 * 16, 64);
break;
case 3: /* MPEG2 */
/* reference picture buffer */
min_dpb_size = image_size * 3;
break;
case 4: /* MPEG4 */
/* reference picture buffer */
min_dpb_size = image_size * 3;
/* CM */
min_dpb_size += width_in_mb * height_in_mb * 64;
/* IT surface buffer */
min_dpb_size += ALIGN(width_in_mb * height_in_mb * 32, 64);
break;
case 7: /* H264 Perf */
switch(level) {
case 30:
num_dpb_buffer = 8100 / fs_in_mb;
break;
case 31:
num_dpb_buffer = 18000 / fs_in_mb;
break;
case 32:
num_dpb_buffer = 20480 / fs_in_mb;
break;
case 41:
num_dpb_buffer = 32768 / fs_in_mb;
break;
case 42:
num_dpb_buffer = 34816 / fs_in_mb;
break;
case 50:
num_dpb_buffer = 110400 / fs_in_mb;
break;
case 51:
num_dpb_buffer = 184320 / fs_in_mb;
break;
default:
num_dpb_buffer = 184320 / fs_in_mb;
break;
}
num_dpb_buffer++;
if (num_dpb_buffer > 17)
num_dpb_buffer = 17;
/* reference picture buffer */
min_dpb_size = image_size * num_dpb_buffer;
if (!adev->uvd.use_ctx_buf){
/* macroblock context buffer */
min_dpb_size +=
width_in_mb * height_in_mb * num_dpb_buffer * 192;
/* IT surface buffer */
min_dpb_size += width_in_mb * height_in_mb * 32;
} else {
/* macroblock context buffer */
min_ctx_size =
width_in_mb * height_in_mb * num_dpb_buffer * 192;
}
break;
case 8: /* MJPEG */
min_dpb_size = 0;
break;
case 16: /* H265 */
image_size = (ALIGN(width, 16) * ALIGN(height, 16) * 3) / 2;
image_size = ALIGN(image_size, 256);
num_dpb_buffer = (le32_to_cpu(msg[59]) & 0xff) + 2;
min_dpb_size = image_size * num_dpb_buffer;
min_ctx_size = ((width + 255) / 16) * ((height + 255) / 16)
* 16 * num_dpb_buffer + 52 * 1024;
break;
default:
DRM_ERROR("UVD codec not handled %d!\n", stream_type);
return -EINVAL;
}
if (width > pitch) {
DRM_ERROR("Invalid UVD decoding target pitch!\n");
return -EINVAL;
}
if (dpb_size < min_dpb_size) {
DRM_ERROR("Invalid dpb_size in UVD message (%d / %d)!\n",
dpb_size, min_dpb_size);
return -EINVAL;
}
buf_sizes[0x1] = dpb_size;
buf_sizes[0x2] = image_size;
buf_sizes[0x4] = min_ctx_size;
return 0;
}
/**
* amdgpu_uvd_cs_msg - handle UVD message
*
* @ctx: UVD parser context
* @bo: buffer object containing the message
* @offset: offset into the buffer object
*
* Peek into the UVD message and extract the session id.
* Make sure that we don't open up to many sessions.
*/
static int amdgpu_uvd_cs_msg(struct amdgpu_uvd_cs_ctx *ctx,
struct amdgpu_bo *bo, unsigned offset)
{
struct amdgpu_device *adev = ctx->parser->adev;
int32_t *msg, msg_type, handle;
void *ptr;
long r;
int i;
if (offset & 0x3F) {
DRM_ERROR("UVD messages must be 64 byte aligned!\n");
return -EINVAL;
}
r = amdgpu_bo_kmap(bo, &ptr);
if (r) {
DRM_ERROR("Failed mapping the UVD message (%ld)!\n", r);
return r;
}
msg = ptr + offset;
msg_type = msg[1];
handle = msg[2];
if (handle == 0) {
DRM_ERROR("Invalid UVD handle!\n");
return -EINVAL;
}
switch (msg_type) {
case 0:
/* it's a create msg, calc image size (width * height) */
amdgpu_bo_kunmap(bo);
/* try to alloc a new handle */
for (i = 0; i < adev->uvd.max_handles; ++i) {
if (atomic_read(&adev->uvd.handles[i]) == handle) {
DRM_ERROR("Handle 0x%x already in use!\n", handle);
return -EINVAL;
}
if (!atomic_cmpxchg(&adev->uvd.handles[i], 0, handle)) {
adev->uvd.filp[i] = ctx->parser->filp;
return 0;
}
}
DRM_ERROR("No more free UVD handles!\n");
return -ENOSPC;
case 1:
/* it's a decode msg, calc buffer sizes */
r = amdgpu_uvd_cs_msg_decode(adev, msg, ctx->buf_sizes);
amdgpu_bo_kunmap(bo);
if (r)
return r;
/* validate the handle */
for (i = 0; i < adev->uvd.max_handles; ++i) {
if (atomic_read(&adev->uvd.handles[i]) == handle) {
if (adev->uvd.filp[i] != ctx->parser->filp) {
DRM_ERROR("UVD handle collision detected!\n");
return -EINVAL;
}
return 0;
}
}
DRM_ERROR("Invalid UVD handle 0x%x!\n", handle);
return -ENOENT;
case 2:
/* it's a destroy msg, free the handle */
for (i = 0; i < adev->uvd.max_handles; ++i)
atomic_cmpxchg(&adev->uvd.handles[i], handle, 0);
amdgpu_bo_kunmap(bo);
return 0;
default:
DRM_ERROR("Illegal UVD message type (%d)!\n", msg_type);
return -EINVAL;
}
BUG();
return -EINVAL;
}
/**
* amdgpu_uvd_cs_pass2 - second parsing round
*
* @ctx: UVD parser context
*
* Patch buffer addresses, make sure buffer sizes are correct.
*/
static int amdgpu_uvd_cs_pass2(struct amdgpu_uvd_cs_ctx *ctx)
{
struct amdgpu_bo_va_mapping *mapping;
struct amdgpu_bo *bo;
uint32_t cmd;
uint64_t start, end;
uint64_t addr = amdgpu_uvd_get_addr_from_ctx(ctx);
int r;
r = amdgpu_cs_find_mapping(ctx->parser, addr, &bo, &mapping);
if (r) {
DRM_ERROR("Can't find BO for addr 0x%08Lx\n", addr);
return r;
}
start = amdgpu_bo_gpu_offset(bo);
end = (mapping->last + 1 - mapping->start);
end = end * AMDGPU_GPU_PAGE_SIZE + start;
addr -= mapping->start * AMDGPU_GPU_PAGE_SIZE;
start += addr;
amdgpu_set_ib_value(ctx->parser, ctx->ib_idx, ctx->data0,
lower_32_bits(start));
amdgpu_set_ib_value(ctx->parser, ctx->ib_idx, ctx->data1,
upper_32_bits(start));
cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx) >> 1;
if (cmd < 0x4) {
if ((end - start) < ctx->buf_sizes[cmd]) {
DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
(unsigned)(end - start),
ctx->buf_sizes[cmd]);
return -EINVAL;
}
} else if (cmd == 0x206) {
if ((end - start) < ctx->buf_sizes[4]) {
DRM_ERROR("buffer (%d) to small (%d / %d)!\n", cmd,
(unsigned)(end - start),
ctx->buf_sizes[4]);
return -EINVAL;
}
} else if ((cmd != 0x100) && (cmd != 0x204)) {
DRM_ERROR("invalid UVD command %X!\n", cmd);
return -EINVAL;
}
if (!ctx->parser->adev->uvd.address_64_bit) {
if ((start >> 28) != ((end - 1) >> 28)) {
DRM_ERROR("reloc %LX-%LX crossing 256MB boundary!\n",
start, end);
return -EINVAL;
}
if ((cmd == 0 || cmd == 0x3) &&
(start >> 28) != (ctx->parser->adev->uvd.gpu_addr >> 28)) {
DRM_ERROR("msg/fb buffer %LX-%LX out of 256MB segment!\n",
start, end);
return -EINVAL;
}
}
if (cmd == 0) {
ctx->has_msg_cmd = true;
r = amdgpu_uvd_cs_msg(ctx, bo, addr);
if (r)
return r;
} else if (!ctx->has_msg_cmd) {
DRM_ERROR("Message needed before other commands are send!\n");
return -EINVAL;
}
return 0;
}
/**
* amdgpu_uvd_cs_reg - parse register writes
*
* @ctx: UVD parser context
* @cb: callback function
*
* Parse the register writes, call cb on each complete command.
*/
static int amdgpu_uvd_cs_reg(struct amdgpu_uvd_cs_ctx *ctx,
int (*cb)(struct amdgpu_uvd_cs_ctx *ctx))
{
struct amdgpu_ib *ib = &ctx->parser->job->ibs[ctx->ib_idx];
int i, r;
ctx->idx++;
for (i = 0; i <= ctx->count; ++i) {
unsigned reg = ctx->reg + i;
if (ctx->idx >= ib->length_dw) {
DRM_ERROR("Register command after end of CS!\n");
return -EINVAL;
}
switch (reg) {
case mmUVD_GPCOM_VCPU_DATA0:
ctx->data0 = ctx->idx;
break;
case mmUVD_GPCOM_VCPU_DATA1:
ctx->data1 = ctx->idx;
break;
case mmUVD_GPCOM_VCPU_CMD:
r = cb(ctx);
if (r)
return r;
break;
case mmUVD_ENGINE_CNTL:
case mmUVD_NO_OP:
break;
default:
DRM_ERROR("Invalid reg 0x%X!\n", reg);
return -EINVAL;
}
ctx->idx++;
}
return 0;
}
/**
* amdgpu_uvd_cs_packets - parse UVD packets
*
* @ctx: UVD parser context
* @cb: callback function
*
* Parse the command stream packets.
*/
static int amdgpu_uvd_cs_packets(struct amdgpu_uvd_cs_ctx *ctx,
int (*cb)(struct amdgpu_uvd_cs_ctx *ctx))
{
struct amdgpu_ib *ib = &ctx->parser->job->ibs[ctx->ib_idx];
int r;
for (ctx->idx = 0 ; ctx->idx < ib->length_dw; ) {
uint32_t cmd = amdgpu_get_ib_value(ctx->parser, ctx->ib_idx, ctx->idx);
unsigned type = CP_PACKET_GET_TYPE(cmd);
switch (type) {
case PACKET_TYPE0:
ctx->reg = CP_PACKET0_GET_REG(cmd);
ctx->count = CP_PACKET_GET_COUNT(cmd);
r = amdgpu_uvd_cs_reg(ctx, cb);
if (r)
return r;
break;
case PACKET_TYPE2:
++ctx->idx;
break;
default:
DRM_ERROR("Unknown packet type %d !\n", type);
return -EINVAL;
}
}
return 0;
}
/**
* amdgpu_uvd_ring_parse_cs - UVD command submission parser
*
* @parser: Command submission parser context
*
* Parse the command stream, patch in addresses as necessary.
*/
int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser, uint32_t ib_idx)
{
struct amdgpu_uvd_cs_ctx ctx = {};
unsigned buf_sizes[] = {
[0x00000000] = 2048,
[0x00000001] = 0xFFFFFFFF,
[0x00000002] = 0xFFFFFFFF,
[0x00000003] = 2048,
[0x00000004] = 0xFFFFFFFF,
};
struct amdgpu_ib *ib = &parser->job->ibs[ib_idx];
int r;
parser->job->vm = NULL;
ib->gpu_addr = amdgpu_sa_bo_gpu_addr(ib->sa_bo);
if (ib->length_dw % 16) {
DRM_ERROR("UVD IB length (%d) not 16 dwords aligned!\n",
ib->length_dw);
return -EINVAL;
}
ctx.parser = parser;
ctx.buf_sizes = buf_sizes;
ctx.ib_idx = ib_idx;
/* first round only required on chips without UVD 64 bit address support */
if (!parser->adev->uvd.address_64_bit) {
/* first round, make sure the buffers are actually in the UVD segment */
r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass1);
if (r)
return r;
}
/* second round, patch buffer addresses into the command stream */
r = amdgpu_uvd_cs_packets(&ctx, amdgpu_uvd_cs_pass2);
if (r)
return r;
if (!ctx.has_msg_cmd) {
DRM_ERROR("UVD-IBs need a msg command!\n");
return -EINVAL;
}
return 0;
}
static int amdgpu_uvd_send_msg(struct amdgpu_ring *ring, struct amdgpu_bo *bo,
bool direct, struct dma_fence **fence)
{
struct ttm_validate_buffer tv;
struct ww_acquire_ctx ticket;
struct list_head head;
struct amdgpu_job *job;
struct amdgpu_ib *ib;
struct dma_fence *f = NULL;
struct amdgpu_device *adev = ring->adev;
uint64_t addr;
uint32_t data[4];
int i, r;
memset(&tv, 0, sizeof(tv));
tv.bo = &bo->tbo;
INIT_LIST_HEAD(&head);
list_add(&tv.head, &head);
r = ttm_eu_reserve_buffers(&ticket, &head, true, NULL);
if (r)
return r;
if (!ring->adev->uvd.address_64_bit) {
amdgpu_ttm_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_VRAM);
amdgpu_uvd_force_into_uvd_segment(bo);
}
r = ttm_bo_validate(&bo->tbo, &bo->placement, true, false);
if (r)
goto err;
r = amdgpu_job_alloc_with_ib(adev, 64, &job);
if (r)
goto err;
if (adev->asic_type >= CHIP_VEGA10) {
data[0] = PACKET0(mmUVD_GPCOM_VCPU_DATA0_VEGA10, 0);
data[1] = PACKET0(mmUVD_GPCOM_VCPU_DATA1_VEGA10, 0);
data[2] = PACKET0(mmUVD_GPCOM_VCPU_CMD_VEGA10, 0);
data[3] = PACKET0(mmUVD_NO_OP_VEGA10, 0);
} else {
data[0] = PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0);
data[1] = PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0);
data[2] = PACKET0(mmUVD_GPCOM_VCPU_CMD, 0);
data[3] = PACKET0(mmUVD_NO_OP, 0);
}
ib = &job->ibs[0];
addr = amdgpu_bo_gpu_offset(bo);
ib->ptr[0] = data[0];
ib->ptr[1] = addr;
ib->ptr[2] = data[1];
ib->ptr[3] = addr >> 32;
ib->ptr[4] = data[2];
ib->ptr[5] = 0;
for (i = 6; i < 16; i += 2) {
ib->ptr[i] = data[3];
ib->ptr[i+1] = 0;
}
ib->length_dw = 16;
if (direct) {
r = amdgpu_ib_schedule(ring, 1, ib, NULL, &f);
job->fence = dma_fence_get(f);
if (r)
goto err_free;
amdgpu_job_free(job);
} else {
r = amdgpu_job_submit(job, ring, &adev->uvd.entity,
AMDGPU_FENCE_OWNER_UNDEFINED, &f);
if (r)
goto err_free;
}
ttm_eu_fence_buffer_objects(&ticket, &head, f);
if (fence)
*fence = dma_fence_get(f);
amdgpu_bo_unref(&bo);
dma_fence_put(f);
return 0;
err_free:
amdgpu_job_free(job);
err:
ttm_eu_backoff_reservation(&ticket, &head);
return r;
}
/* multiple fence commands without any stream commands in between can
crash the vcpu so just try to emmit a dummy create/destroy msg to
avoid this */
int amdgpu_uvd_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
struct dma_fence **fence)
{
struct amdgpu_device *adev = ring->adev;
struct amdgpu_bo *bo;
uint32_t *msg;
int r, i;
r = amdgpu_bo_create(adev, 1024, PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
NULL, NULL, 0, &bo);
if (r)
return r;
r = amdgpu_bo_reserve(bo, false);
if (r) {
amdgpu_bo_unref(&bo);
return r;
}
r = amdgpu_bo_kmap(bo, (void **)&msg);
if (r) {
amdgpu_bo_unreserve(bo);
amdgpu_bo_unref(&bo);
return r;
}
/* stitch together an UVD create msg */
msg[0] = cpu_to_le32(0x00000de4);
msg[1] = cpu_to_le32(0x00000000);
msg[2] = cpu_to_le32(handle);
msg[3] = cpu_to_le32(0x00000000);
msg[4] = cpu_to_le32(0x00000000);
msg[5] = cpu_to_le32(0x00000000);
msg[6] = cpu_to_le32(0x00000000);
msg[7] = cpu_to_le32(0x00000780);
msg[8] = cpu_to_le32(0x00000440);
msg[9] = cpu_to_le32(0x00000000);
msg[10] = cpu_to_le32(0x01b37000);
for (i = 11; i < 1024; ++i)
msg[i] = cpu_to_le32(0x0);
amdgpu_bo_kunmap(bo);
amdgpu_bo_unreserve(bo);
return amdgpu_uvd_send_msg(ring, bo, true, fence);
}
int amdgpu_uvd_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
bool direct, struct dma_fence **fence)
{
struct amdgpu_device *adev = ring->adev;
struct amdgpu_bo *bo;
uint32_t *msg;
int r, i;
r = amdgpu_bo_create(adev, 1024, PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS,
NULL, NULL, 0, &bo);
if (r)
return r;
r = amdgpu_bo_reserve(bo, false);
if (r) {
amdgpu_bo_unref(&bo);
return r;
}
r = amdgpu_bo_kmap(bo, (void **)&msg);
if (r) {
amdgpu_bo_unreserve(bo);
amdgpu_bo_unref(&bo);
return r;
}
/* stitch together an UVD destroy msg */
msg[0] = cpu_to_le32(0x00000de4);
msg[1] = cpu_to_le32(0x00000002);
msg[2] = cpu_to_le32(handle);
msg[3] = cpu_to_le32(0x00000000);
for (i = 4; i < 1024; ++i)
msg[i] = cpu_to_le32(0x0);
amdgpu_bo_kunmap(bo);
amdgpu_bo_unreserve(bo);
return amdgpu_uvd_send_msg(ring, bo, direct, fence);
}
static void amdgpu_uvd_idle_work_handler(struct work_struct *work)
{
struct amdgpu_device *adev =
container_of(work, struct amdgpu_device, uvd.idle_work.work);
unsigned fences = amdgpu_fence_count_emitted(&adev->uvd.ring);
if (amdgpu_sriov_vf(adev))
return;
if (fences == 0) {
if (adev->pm.dpm_enabled) {
amdgpu_dpm_enable_uvd(adev, false);
} else {
amdgpu_asic_set_uvd_clocks(adev, 0, 0);
/* shutdown the UVD block */
amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
AMD_PG_STATE_GATE);
amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
AMD_CG_STATE_GATE);
}
} else {
schedule_delayed_work(&adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
}
}
void amdgpu_uvd_ring_begin_use(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
bool set_clocks = !cancel_delayed_work_sync(&adev->uvd.idle_work);
if (amdgpu_sriov_vf(adev))
return;
if (set_clocks) {
if (adev->pm.dpm_enabled) {
amdgpu_dpm_enable_uvd(adev, true);
} else {
amdgpu_asic_set_uvd_clocks(adev, 53300, 40000);
amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
AMD_CG_STATE_UNGATE);
amdgpu_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
AMD_PG_STATE_UNGATE);
}
}
}
void amdgpu_uvd_ring_end_use(struct amdgpu_ring *ring)
{
schedule_delayed_work(&ring->adev->uvd.idle_work, UVD_IDLE_TIMEOUT);
}
/**
* amdgpu_uvd_ring_test_ib - test ib execution
*
* @ring: amdgpu_ring pointer
*
* Test if we can successfully execute an IB
*/
int amdgpu_uvd_ring_test_ib(struct amdgpu_ring *ring, long timeout)
{
struct dma_fence *fence;
long r;
r = amdgpu_uvd_get_create_msg(ring, 1, NULL);
if (r) {
DRM_ERROR("amdgpu: failed to get create msg (%ld).\n", r);
goto error;
}
r = amdgpu_uvd_get_destroy_msg(ring, 1, true, &fence);
if (r) {
DRM_ERROR("amdgpu: failed to get destroy ib (%ld).\n", r);
goto error;
}
r = dma_fence_wait_timeout(fence, false, timeout);
if (r == 0) {
DRM_ERROR("amdgpu: IB test timed out.\n");
r = -ETIMEDOUT;
} else if (r < 0) {
DRM_ERROR("amdgpu: fence wait failed (%ld).\n", r);
} else {
DRM_INFO("ib test on ring %d succeeded\n", ring->idx);
r = 0;
}
dma_fence_put(fence);
error:
return r;
}
/**
* amdgpu_uvd_used_handles - returns used UVD handles
*
* @adev: amdgpu_device pointer
*
* Returns the number of UVD handles in use
*/
uint32_t amdgpu_uvd_used_handles(struct amdgpu_device *adev)
{
unsigned i;
uint32_t used_handles = 0;
for (i = 0; i < adev->uvd.max_handles; ++i) {
/*
* Handles can be freed in any order, and not
* necessarily linear. So we need to count
* all non-zero handles.
*/
if (atomic_read(&adev->uvd.handles[i]))
used_handles++;
}
return used_handles;
}