/*
* 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 K ö nig < deathsimple @ vodafone . de >
*/
#include <linux/firmware.h>
#include <linux/module.h>
#include <drm/drm.h>
#include <drm/drm_drv.h>
#include "amdgpu.h"
#include "amdgpu_pm.h"
#include "amdgpu_uvd.h"
#include "amdgpu_cs.h"
#include "cikd.h"
#include "uvd/uvd_4_2_d.h"
#include "amdgpu_ras.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_SI
#define FIRMWARE_TAHITI "amdgpu/tahiti_uvd.bin"
#define FIRMWARE_VERDE "amdgpu/verde_uvd.bin"
#define FIRMWARE_PITCAIRN "amdgpu/pitcairn_uvd.bin"
#define FIRMWARE_OLAND "amdgpu/oland_uvd.bin"
#endif
#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 0 x03c3
#define UVD_GPCOM_VCPU_DATA0 0 x03c4
#define UVD_GPCOM_VCPU_DATA1 0 x03c5
#define UVD_NO_OP 0 x03ff
#define UVD_BASE_SI 0 x3800
/*
* 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 int reg, count;
unsigned int data0, data1;
unsigned int idx;
struct amdgpu_ib *ib;
/* does the IB has a msg command */
bool has_msg_cmd;
/* minimum buffer sizes */
unsigned int *buf_sizes;
};
#ifdef CONFIG_DRM_AMDGPU_SI
MODULE_FIRMWARE(FIRMWARE_TAHITI);
MODULE_FIRMWARE(FIRMWARE_VERDE);
MODULE_FIRMWARE(FIRMWARE_PITCAIRN);
MODULE_FIRMWARE(FIRMWARE_OLAND);
#endif
#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);
static void amdgpu_uvd_force_into_uvd_segment(struct amdgpu_bo *abo);
static int amdgpu_uvd_create_msg_bo_helper(struct amdgpu_device *adev,
uint32_t size,
struct amdgpu_bo **bo_ptr)
{
struct ttm_operation_ctx ctx = { true , false };
struct amdgpu_bo *bo = NULL;
void *addr;
int r;
r = amdgpu_bo_create_reserved(adev, size, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_GTT,
&bo, NULL, &addr);
if (r)
return r;
if (adev->uvd.address_64_bit)
goto succ;
amdgpu_bo_kunmap(bo);
amdgpu_bo_unpin(bo);
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_bo_pin(bo, AMDGPU_GEM_DOMAIN_VRAM);
if (r)
goto err_pin;
r = amdgpu_bo_kmap(bo, &addr);
if (r)
goto err_kmap;
succ:
amdgpu_bo_unreserve(bo);
*bo_ptr = bo;
return 0 ;
err_kmap:
amdgpu_bo_unpin(bo);
err_pin:
err:
amdgpu_bo_unreserve(bo);
amdgpu_bo_unref(&bo);
return r;
}
int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
{
unsigned long bo_size;
const char *fw_name;
const struct common_firmware_header *hdr;
unsigned int 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_SI
case CHIP_TAHITI:
fw_name = FIRMWARE_TAHITI;
break ;
case CHIP_VERDE:
fw_name = FIRMWARE_VERDE;
break ;
case CHIP_PITCAIRN:
fw_name = FIRMWARE_PITCAIRN;
break ;
case CHIP_OLAND:
fw_name = FIRMWARE_OLAND;
break ;
#endif
#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 = amdgpu_ucode_request(adev, &adev->uvd.fw, AMDGPU_UCODE_REQUIRED, "%s" , fw_name);
if (r) {
dev_err(adev->dev, "amdgpu_uvd: Can't validate firmware \" %s\"\n" ,
fw_name);
amdgpu_ucode_release(&adev->uvd.fw);
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) & 0 xff;
if (adev->asic_type < CHIP_VEGA20) {
unsigned int version_major, version_minor;
version_major = (le32_to_cpu(hdr->ucode_version) >> 24 ) & 0 xff;
version_minor = (le32_to_cpu(hdr->ucode_version) >> 8 ) & 0 xff;
DRM_INFO("Found UVD firmware Version: %u.%u Family ID: %u\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 > 0 x01) ||
((version_major == 0 x01) && (version_minor >= 0 x50)))
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 %u.%u 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 ) & 0 xff;
enc_minor = (le32_to_cpu(hdr->ucode_version) >> 24 ) & 0 x3f;
enc_major = (le32_to_cpu(hdr->ucode_version) >> 30 ) & 0 x3;
DRM_INFO("Found UVD firmware ENC: %u.%u DEC: .%u Family ID: %u\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 |
AMDGPU_GEM_DOMAIN_GTT,
&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 ;
r = amdgpu_uvd_create_msg_bo_helper(adev, 128 << 10 , &adev->uvd.ib_bo);
if (r)
return r;
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)
{
void *addr = amdgpu_bo_kptr(adev->uvd.ib_bo);
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]);
}
amdgpu_bo_free_kernel(&adev->uvd.ib_bo, NULL, &addr);
amdgpu_ucode_release(&adev->uvd.fw);
return 0 ;
}
/**
* amdgpu_uvd_entity_init - init entity
*
* @ adev : amdgpu_device pointer
* @ ring : amdgpu_ring pointer to check
*
* Initialize the entity used for handle management in the kernel driver .
*/
int amdgpu_uvd_entity_init(struct amdgpu_device *adev, struct amdgpu_ring *ring)
{
if (ring == &adev->uvd.inst[0 ].ring) {
struct drm_gpu_scheduler *sched = &ring->sched;
int r;
r = drm_sched_entity_init(&adev->uvd.entity, DRM_SCHED_PRIORITY_NORMAL,
&sched, 1 , NULL);
if (r) {
DRM_ERROR("Failed setting up UVD kernel entity.\n" );
return r;
}
}
return 0 ;
}
int amdgpu_uvd_prepare_suspend(struct amdgpu_device *adev)
{
unsigned int size;
void *ptr;
int i, j, idx;
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;
if (drm_dev_enter(adev_to_drm(adev), &idx)) {
/* re-write 0 since err_event_athub will corrupt VCPU buffer */
if (amdgpu_ras_intr_triggered())
memset(adev->uvd.inst[j].saved_bo, 0 , size);
else
memcpy_fromio(adev->uvd.inst[j].saved_bo, ptr, size);
drm_dev_exit(idx);
}
}
return 0 ;
}
int amdgpu_uvd_suspend(struct amdgpu_device *adev)
{
if (amdgpu_ras_intr_triggered())
DRM_WARN("UVD VCPU state may lost due to RAS ERREVENT_ATHUB_INTERRUPT\n" );
return 0 ;
}
int amdgpu_uvd_resume(struct amdgpu_device *adev)
{
unsigned int size;
void *ptr;
int i, idx;
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) {
if (drm_dev_enter(adev_to_drm(adev), &idx)) {
memcpy_toio(ptr, adev->uvd.inst[i].saved_bo, size);
drm_dev_exit(idx);
}
kvfree(adev->uvd.inst[i].saved_bo);
adev->uvd.inst[i].saved_bo = NULL;
} else {
const struct common_firmware_header *hdr;
unsigned int 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);
if (drm_dev_enter(adev_to_drm(adev), &idx)) {
memcpy_toio(adev->uvd.inst[i].cpu_addr, adev->uvd.fw->data + offset,
le32_to_cpu(hdr->ucode_size_bytes));
drm_dev_exit(idx);
}
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;
if (abo->placements[i].mem_type == TTM_PL_VRAM)
abo->placements[i].flags |= TTM_PL_FLAG_CONTIGUOUS;
}
}
static u64 amdgpu_uvd_get_addr_from_ctx(struct amdgpu_uvd_cs_ctx *ctx)
{
uint32_t lo, hi;
uint64_t addr;
lo = amdgpu_ib_get_value(ctx->ib, ctx->data0);
hi = amdgpu_ib_get_value(ctx->ib, 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 256 MB 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%08llx\n" , addr);
return r;
}
if (!ctx->parser->adev->uvd.address_64_bit) {
/* check if it's a message or feedback command */
cmd = amdgpu_ib_get_value(ctx->ib, ctx->idx) >> 1 ;
if (cmd == 0 x0 || cmd == 0 x3) {
/* 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
*
* @ adev : amdgpu_device pointer
* @ msg : pointer to message structure
* @ buf_sizes : placeholder to put the different buffer lengths
*
* 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 int buf_sizes[])
{
unsigned int stream_type = msg[4 ];
unsigned int width = msg[6 ];
unsigned int height = msg[7 ];
unsigned int dpb_size = msg[9 ];
unsigned int pitch = msg[28 ];
unsigned int level = msg[57 ];
unsigned int width_in_mb = width / 16 ;
unsigned int height_in_mb = ALIGN(height / 16 , 2 );
unsigned int fs_in_mb = width_in_mb * height_in_mb;
unsigned int image_size, tmp, min_dpb_size, num_dpb_buffer;
unsigned int 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 ]) & 0 xff) + 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[0 x1] = dpb_size;
buf_sizes[0 x2] = image_size;
buf_sizes[0 x4] = min_ctx_size;
/* store image width to adjust nb memory pstate */
adev->uvd.decode_image_width = width;
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 int offset)
{
struct amdgpu_device *adev = ctx->parser->adev;
int32_t *msg, msg_type, handle;
void *ptr;
long r;
int i;
if (offset & 0 x3F) {
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 ) {
amdgpu_bo_kunmap(bo);
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);
}
amdgpu_bo_kunmap(bo);
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%08llx\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_ib_set_value(ctx->ib, ctx->data0, lower_32_bits(start));
amdgpu_ib_set_value(ctx->ib, ctx->data1, upper_32_bits(start));
cmd = amdgpu_ib_get_value(ctx->ib, ctx->idx) >> 1 ;
if (cmd < 0 x4) {
if ((end - start) < ctx->buf_sizes[cmd]) {
DRM_ERROR("buffer (%d) to small (%d / %d)!\n" , cmd,
(unsigned int )(end - start),
ctx->buf_sizes[cmd]);
return -EINVAL;
}
} else if (cmd == 0 x206) {
if ((end - start) < ctx->buf_sizes[4 ]) {
DRM_ERROR("buffer (%d) to small (%d / %d)!\n" , cmd,
(unsigned int )(end - start),
ctx->buf_sizes[4 ]);
return -EINVAL;
}
} else if ((cmd != 0 x100) && (cmd != 0 x204)) {
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 %llx-%llx crossing 256MB boundary!\n" ,
start, end);
return -EINVAL;
}
if ((cmd == 0 || cmd == 0 x3) &&
(start >> 28 ) != (ctx->parser->adev->uvd.inst->gpu_addr >> 28 )) {
DRM_ERROR("msg/fb buffer %llx-%llx 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))
{
int i, r;
ctx->idx++;
for (i = 0 ; i <= ctx->count; ++i) {
unsigned int reg = ctx->reg + i;
if (ctx->idx >= ctx->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))
{
int r;
for (ctx->idx = 0 ; ctx->idx < ctx->ib->length_dw; ) {
uint32_t cmd = amdgpu_ib_get_value(ctx->ib, ctx->idx);
unsigned int 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
* @ job : the job to parse
* @ ib : the IB to patch
*
* Parse the command stream , patch in addresses as necessary .
*/
int amdgpu_uvd_ring_parse_cs(struct amdgpu_cs_parser *parser,
struct amdgpu_job *job,
struct amdgpu_ib *ib)
{
struct amdgpu_uvd_cs_ctx ctx = {};
unsigned int buf_sizes[] = {
[0 x00000000] = 2048 ,
[0 x00000001] = 0 xFFFFFFFF,
[0 x00000002] = 0 xFFFFFFFF,
[0 x00000003] = 2048 ,
[0 x00000004] = 0 xFFFFFFFF,
};
int r;
job->vm = NULL;
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 = ib;
/* 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;
uint32_t offset, data[4 ];
struct amdgpu_job *job;
struct amdgpu_ib *ib;
uint64_t addr;
int i, r;
r = amdgpu_job_alloc_with_ib(ring->adev, &adev->uvd.entity,
AMDGPU_FENCE_OWNER_UNDEFINED,
64 , direct ? AMDGPU_IB_POOL_DIRECT :
AMDGPU_IB_POOL_DELAYED, &job);
if (r)
return r;
if (adev->asic_type >= CHIP_VEGA10)
offset = adev->reg_offset[UVD_HWIP][ring->me][1 ];
else
offset = UVD_BASE_SI;
data[0 ] = PACKET0(offset + UVD_GPCOM_VCPU_DATA0, 0 );
data[1 ] = PACKET0(offset + UVD_GPCOM_VCPU_DATA1, 0 );
data[2 ] = PACKET0(offset + UVD_GPCOM_VCPU_CMD, 0 );
data[3 ] = PACKET0(offset + 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 = amdgpu_job_submit_direct(job, ring, &f);
if (r)
goto err_free;
} else {
r = drm_sched_job_add_resv_dependencies(&job->base,
bo->tbo.base.resv,
DMA_RESV_USAGE_KERNEL);
if (r)
goto err_free;
f = amdgpu_job_submit(job);
}
amdgpu_bo_reserve(bo, true );
amdgpu_bo_fence(bo, f, false );
amdgpu_bo_unreserve(bo);
if (fence)
*fence = dma_fence_get(f);
dma_fence_put(f);
return 0 ;
err_free:
amdgpu_job_free(job);
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 = adev->uvd.ib_bo;
uint32_t *msg;
int i;
msg = amdgpu_bo_kptr(bo);
/* stitch together an UVD create msg */
msg[0 ] = cpu_to_le32(0 x00000de4);
msg[1 ] = cpu_to_le32(0 x00000000);
msg[2 ] = cpu_to_le32(handle);
msg[3 ] = cpu_to_le32(0 x00000000);
msg[4 ] = cpu_to_le32(0 x00000000);
msg[5 ] = cpu_to_le32(0 x00000000);
msg[6 ] = cpu_to_le32(0 x00000000);
msg[7 ] = cpu_to_le32(0 x00000780);
msg[8 ] = cpu_to_le32(0 x00000440);
msg[9 ] = cpu_to_le32(0 x00000000);
msg[10 ] = cpu_to_le32(0 x01b37000);
for (i = 11 ; i < 1024 ; ++i)
msg[i] = cpu_to_le32(0 x0);
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;
if (direct) {
bo = adev->uvd.ib_bo;
} else {
r = amdgpu_uvd_create_msg_bo_helper(adev, 4096 , &bo);
if (r)
return r;
}
msg = amdgpu_bo_kptr(bo);
/* stitch together an UVD destroy msg */
msg[0 ] = cpu_to_le32(0 x00000de4);
msg[1 ] = cpu_to_le32(0 x00000002);
msg[2 ] = cpu_to_le32(handle);
msg[3 ] = cpu_to_le32(0 x00000000);
for (i = 4 ; i < 1024 ; ++i)
msg[i] = cpu_to_le32(0 x0);
r = amdgpu_uvd_send_msg(ring, bo, direct, fence);
if (!direct)
amdgpu_bo_free_kernel(&bo, NULL, (void **)&msg);
return r;
}
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 int 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
* @ timeout : timeout value in jiffies , or MAX_SCHEDULE_TIMEOUT
*
* 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 , &fence);
if (r)
goto error;
r = dma_fence_wait_timeout(fence, false , timeout);
dma_fence_put(fence);
if (r == 0 )
r = -ETIMEDOUT;
if (r < 0 )
goto error;
r = amdgpu_uvd_get_destroy_msg(ring, 1 , true , &fence);
if (r)
goto error;
r = dma_fence_wait_timeout(fence, false , timeout);
if (r == 0 )
r = -ETIMEDOUT;
else if (r > 0 )
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 int 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;
}
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