linux_dsm_epyc7002/drivers/gpu/drm/amd/amdgpu/amdgpu_uvd.c
Michel Dänzer c9533d1bca drm/amdgpu: Use kvmalloc for allocating UVD/VCE/VCN BO backup memory
The allocated size can be (at least?) as large as megabytes, and
there's no need for it to be physically contiguous.

May avoid spurious failures to initialize / suspend the corresponding
block while there's memory pressure.

Bugzilla: https://bugs.freedesktop.org/107432
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2018-08-16 12:59:11 -05:00

1301 lines
32 KiB
C

/*
* 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 "amdgpu/bonaire_uvd.bin"
#define FIRMWARE_KABINI "amdgpu/kabini_uvd.bin"
#define FIRMWARE_KAVERI "amdgpu/kaveri_uvd.bin"
#define FIRMWARE_HAWAII "amdgpu/hawaii_uvd.bin"
#define FIRMWARE_MULLINS "amdgpu/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_VEGAM "amdgpu/vegam_uvd.bin"
#define FIRMWARE_VEGA10 "amdgpu/vega10_uvd.bin"
#define FIRMWARE_VEGA12 "amdgpu/vega12_uvd.bin"
#define FIRMWARE_VEGA20 "amdgpu/vega20_uvd.bin"
/* These are common relative offsets for all asics, from uvd_7_0_offset.h, */
#define UVD_GPCOM_VCPU_CMD 0x03c3
#define UVD_GPCOM_VCPU_DATA0 0x03c4
#define UVD_GPCOM_VCPU_DATA1 0x03c5
#define UVD_NO_OP 0x03ff
#define UVD_BASE_SI 0x3800
/**
* 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_VEGAM);
MODULE_FIRMWARE(FIRMWARE_VEGA10);
MODULE_FIRMWARE(FIRMWARE_VEGA12);
MODULE_FIRMWARE(FIRMWARE_VEGA20);
static void amdgpu_uvd_idle_work_handler(struct work_struct *work);
int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
{
unsigned long bo_size;
const char *fw_name;
const struct common_firmware_header *hdr;
unsigned family_id;
int i, j, 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_POLARIS12:
fw_name = FIRMWARE_POLARIS12;
break;
case CHIP_VEGA10:
fw_name = FIRMWARE_VEGA10;
break;
case CHIP_VEGA12:
fw_name = FIRMWARE_VEGA12;
break;
case CHIP_VEGAM:
fw_name = FIRMWARE_VEGAM;
break;
case CHIP_VEGA20:
fw_name = FIRMWARE_VEGA20;
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;
if (adev->asic_type < CHIP_VEGA20) {
unsigned version_major, version_minor;
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);
} else {
unsigned int enc_major, enc_minor, dec_minor;
dec_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
enc_minor = (le32_to_cpu(hdr->ucode_version) >> 24) & 0x3f;
enc_major = (le32_to_cpu(hdr->ucode_version) >> 30) & 0x3;
DRM_INFO("Found UVD firmware ENC: %hu.%hu DEC: .%hu Family ID: %hu\n",
enc_major, enc_minor, dec_minor, family_id);
adev->uvd.max_handles = AMDGPU_MAX_UVD_HANDLES;
adev->uvd.fw_version = le32_to_cpu(hdr->ucode_version);
}
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);
for (j = 0; j < adev->uvd.num_uvd_inst; j++) {
if (adev->uvd.harvest_config & (1 << j))
continue;
r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_VRAM, &adev->uvd.inst[j].vcpu_bo,
&adev->uvd.inst[j].gpu_addr, &adev->uvd.inst[j].cpu_addr);
if (r) {
dev_err(adev->dev, "(%d) failed to allocate UVD bo\n", r);
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_device_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, j;
drm_sched_entity_destroy(&adev->uvd.entity);
for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
if (adev->uvd.harvest_config & (1 << j))
continue;
kvfree(adev->uvd.inst[j].saved_bo);
amdgpu_bo_free_kernel(&adev->uvd.inst[j].vcpu_bo,
&adev->uvd.inst[j].gpu_addr,
(void **)&adev->uvd.inst[j].cpu_addr);
amdgpu_ring_fini(&adev->uvd.inst[j].ring);
for (i = 0; i < AMDGPU_MAX_UVD_ENC_RINGS; ++i)
amdgpu_ring_fini(&adev->uvd.inst[j].ring_enc[i]);
}
release_firmware(adev->uvd.fw);
return 0;
}
/**
* amdgpu_uvd_entity_init - init entity
*
* @adev: amdgpu_device pointer
*
*/
int amdgpu_uvd_entity_init(struct amdgpu_device *adev)
{
struct amdgpu_ring *ring;
struct drm_sched_rq *rq;
int r;
ring = &adev->uvd.inst[0].ring;
rq = &ring->sched.sched_rq[DRM_SCHED_PRIORITY_NORMAL];
r = drm_sched_entity_init(&adev->uvd.entity, &rq, 1, NULL);
if (r) {
DRM_ERROR("Failed setting up UVD kernel entity.\n");
return r;
}
return 0;
}
int amdgpu_uvd_suspend(struct amdgpu_device *adev)
{
unsigned size;
void *ptr;
int i, j;
cancel_delayed_work_sync(&adev->uvd.idle_work);
/* only valid for physical mode */
if (adev->asic_type < CHIP_POLARIS10) {
for (i = 0; i < adev->uvd.max_handles; ++i)
if (atomic_read(&adev->uvd.handles[i]))
break;
if (i == adev->uvd.max_handles)
return 0;
}
for (j = 0; j < adev->uvd.num_uvd_inst; ++j) {
if (adev->uvd.harvest_config & (1 << j))
continue;
if (adev->uvd.inst[j].vcpu_bo == NULL)
continue;
size = amdgpu_bo_size(adev->uvd.inst[j].vcpu_bo);
ptr = adev->uvd.inst[j].cpu_addr;
adev->uvd.inst[j].saved_bo = kvmalloc(size, GFP_KERNEL);
if (!adev->uvd.inst[j].saved_bo)
return -ENOMEM;
memcpy_fromio(adev->uvd.inst[j].saved_bo, ptr, size);
}
return 0;
}
int amdgpu_uvd_resume(struct amdgpu_device *adev)
{
unsigned size;
void *ptr;
int i;
for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
if (adev->uvd.harvest_config & (1 << i))
continue;
if (adev->uvd.inst[i].vcpu_bo == NULL)
return -EINVAL;
size = amdgpu_bo_size(adev->uvd.inst[i].vcpu_bo);
ptr = adev->uvd.inst[i].cpu_addr;
if (adev->uvd.inst[i].saved_bo != NULL) {
memcpy_toio(ptr, adev->uvd.inst[i].saved_bo, size);
kvfree(adev->uvd.inst[i].saved_bo);
adev->uvd.inst[i].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.inst[i].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);
/* to restore uvd fence seq */
amdgpu_fence_driver_force_completion(&adev->uvd.inst[i].ring);
}
}
return 0;
}
void amdgpu_uvd_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
{
struct amdgpu_ring *ring = &adev->uvd.inst[0].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 ttm_operation_ctx tctx = { false, false };
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_bo_placement_from_domain(bo, domain);
}
amdgpu_uvd_force_into_uvd_segment(bo);
r = ttm_bo_validate(&bo->tbo, &bo->placement, &tctx);
}
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.inst->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 amdgpu_device *adev = ring->adev;
struct dma_fence *f = NULL;
struct amdgpu_job *job;
struct amdgpu_ib *ib;
uint32_t data[4];
uint64_t addr;
long r;
int i;
unsigned offset_idx = 0;
unsigned offset[3] = { UVD_BASE_SI, 0, 0 };
amdgpu_bo_kunmap(bo);
amdgpu_bo_unpin(bo);
if (!ring->adev->uvd.address_64_bit) {
struct ttm_operation_ctx ctx = { true, false };
amdgpu_bo_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_VRAM);
amdgpu_uvd_force_into_uvd_segment(bo);
r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
if (r)
goto err;
}
r = amdgpu_job_alloc_with_ib(adev, 64, &job);
if (r)
goto err;
if (adev->asic_type >= CHIP_VEGA10) {
offset_idx = 1 + ring->me;
offset[1] = adev->reg_offset[UVD_HWIP][0][1];
offset[2] = adev->reg_offset[UVD_HWIP][1][1];
}
data[0] = PACKET0(offset[offset_idx] + UVD_GPCOM_VCPU_DATA0, 0);
data[1] = PACKET0(offset[offset_idx] + UVD_GPCOM_VCPU_DATA1, 0);
data[2] = PACKET0(offset[offset_idx] + UVD_GPCOM_VCPU_CMD, 0);
data[3] = PACKET0(offset[offset_idx] + UVD_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 = reservation_object_wait_timeout_rcu(bo->tbo.resv,
true, false,
msecs_to_jiffies(10));
if (r == 0)
r = -ETIMEDOUT;
if (r < 0)
goto err_free;
r = amdgpu_job_submit_direct(job, ring, &f);
if (r)
goto err_free;
} else {
r = amdgpu_sync_resv(adev, &job->sync, bo->tbo.resv,
AMDGPU_FENCE_OWNER_UNDEFINED, false);
if (r)
goto err_free;
r = amdgpu_job_submit(job, &adev->uvd.entity,
AMDGPU_FENCE_OWNER_UNDEFINED, &f);
if (r)
goto err_free;
}
amdgpu_bo_fence(bo, f, false);
amdgpu_bo_unreserve(bo);
amdgpu_bo_unref(&bo);
if (fence)
*fence = dma_fence_get(f);
dma_fence_put(f);
return 0;
err_free:
amdgpu_job_free(job);
err:
amdgpu_bo_unreserve(bo);
amdgpu_bo_unref(&bo);
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 = NULL;
uint32_t *msg;
int r, i;
r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_VRAM,
&bo, NULL, (void **)&msg);
if (r)
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);
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 = NULL;
uint32_t *msg;
int r, i;
r = amdgpu_bo_create_reserved(adev, 1024, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_VRAM,
&bo, NULL, (void **)&msg);
if (r)
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);
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 = 0, i, j;
for (i = 0; i < adev->uvd.num_uvd_inst; ++i) {
if (adev->uvd.harvest_config & (1 << i))
continue;
fences += amdgpu_fence_count_emitted(&adev->uvd.inst[i].ring);
for (j = 0; j < adev->uvd.num_enc_rings; ++j) {
fences += amdgpu_fence_count_emitted(&adev->uvd.inst[i].ring_enc[j]);
}
}
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_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
AMD_PG_STATE_GATE);
amdgpu_device_ip_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;
if (amdgpu_sriov_vf(adev))
return;
set_clocks = !cancel_delayed_work_sync(&adev->uvd.idle_work);
if (set_clocks) {
if (adev->pm.dpm_enabled) {
amdgpu_dpm_enable_uvd(adev, true);
} else {
amdgpu_asic_set_uvd_clocks(adev, 53300, 40000);
amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
AMD_CG_STATE_UNGATE);
amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_UVD,
AMD_PG_STATE_UNGATE);
}
}
}
void amdgpu_uvd_ring_end_use(struct amdgpu_ring *ring)
{
if (!amdgpu_sriov_vf(ring->adev))
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;
uint32_t ip_instance = ring->me;
r = amdgpu_uvd_get_create_msg(ring, 1, NULL);
if (r) {
DRM_ERROR("amdgpu: (%d)failed to get create msg (%ld).\n", ip_instance, r);
goto error;
}
r = amdgpu_uvd_get_destroy_msg(ring, 1, true, &fence);
if (r) {
DRM_ERROR("amdgpu: (%d)failed to get destroy ib (%ld).\n", ip_instance, r);
goto error;
}
r = dma_fence_wait_timeout(fence, false, timeout);
if (r == 0) {
DRM_ERROR("amdgpu: (%d)IB test timed out.\n", ip_instance);
r = -ETIMEDOUT;
} else if (r < 0) {
DRM_ERROR("amdgpu: (%d)fence wait failed (%ld).\n", ip_instance, r);
} else {
DRM_DEBUG("ib test on (%d)ring %d succeeded\n", ip_instance, 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;
}