/*
* Copyright 2013 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 < christian . koenig @ amd . com >
*/
#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_vce.h"
#include "amdgpu_cs.h"
#include "cikd.h"
/* 1 second timeout */
#define VCE_IDLE_TIMEOUT msecs_to_jiffies(1000 )
/* Firmware Names */
#ifdef CONFIG_DRM_AMDGPU_CIK
#define FIRMWARE_BONAIRE "amdgpu/bonaire_vce.bin"
#define FIRMWARE_KABINI "amdgpu/kabini_vce.bin"
#define FIRMWARE_KAVERI "amdgpu/kaveri_vce.bin"
#define FIRMWARE_HAWAII "amdgpu/hawaii_vce.bin"
#define FIRMWARE_MULLINS "amdgpu/mullins_vce.bin"
#endif
#define FIRMWARE_TONGA "amdgpu/tonga_vce.bin"
#define FIRMWARE_CARRIZO "amdgpu/carrizo_vce.bin"
#define FIRMWARE_FIJI "amdgpu/fiji_vce.bin"
#define FIRMWARE_STONEY "amdgpu/stoney_vce.bin"
#define FIRMWARE_POLARIS10 "amdgpu/polaris10_vce.bin"
#define FIRMWARE_POLARIS11 "amdgpu/polaris11_vce.bin"
#define FIRMWARE_POLARIS12 "amdgpu/polaris12_vce.bin"
#define FIRMWARE_VEGAM "amdgpu/vegam_vce.bin"
#define FIRMWARE_VEGA10 "amdgpu/vega10_vce.bin"
#define FIRMWARE_VEGA12 "amdgpu/vega12_vce.bin"
#define FIRMWARE_VEGA20 "amdgpu/vega20_vce.bin"
#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_vce_idle_work_handler(struct work_struct *work);
static int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
struct dma_fence **fence);
static int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
bool direct, struct dma_fence **fence);
/**
* amdgpu_vce_sw_init - allocate memory , load vce firmware
*
* @ adev : amdgpu_device pointer
* @ size : size for the new BO
*
* First step to get VCE online , allocate memory and load the firmware
*/
int amdgpu_vce_sw_init(struct amdgpu_device *adev, unsigned long size)
{
const char *fw_name;
const struct common_firmware_header *hdr;
unsigned int ucode_version, version_major, version_minor, binary_id;
int i, r;
switch (adev->asic_type) {
#ifdef CONFIG_DRM_AMDGPU_CIK
case CHIP_BONAIRE:
fw_name = FIRMWARE_BONAIRE;
break ;
case CHIP_KAVERI:
fw_name = FIRMWARE_KAVERI;
break ;
case CHIP_KABINI:
fw_name = FIRMWARE_KABINI;
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_CARRIZO:
fw_name = FIRMWARE_CARRIZO;
break ;
case CHIP_FIJI:
fw_name = FIRMWARE_FIJI;
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_VEGAM:
fw_name = FIRMWARE_VEGAM;
break ;
case CHIP_VEGA10:
fw_name = FIRMWARE_VEGA10;
break ;
case CHIP_VEGA12:
fw_name = FIRMWARE_VEGA12;
break ;
case CHIP_VEGA20:
fw_name = FIRMWARE_VEGA20;
break ;
default :
return -EINVAL;
}
r = amdgpu_ucode_request(adev, &adev->vce.fw, AMDGPU_UCODE_REQUIRED, "%s" , fw_name);
if (r) {
dev_err(adev->dev, "amdgpu_vce: Can't validate firmware \" %s\"\n" ,
fw_name);
amdgpu_ucode_release(&adev->vce.fw);
return r;
}
hdr = (const struct common_firmware_header *)adev->vce.fw->data;
ucode_version = le32_to_cpu(hdr->ucode_version);
version_major = (ucode_version >> 20 ) & 0 xfff;
version_minor = (ucode_version >> 8 ) & 0 xfff;
binary_id = ucode_version & 0 xff;
DRM_INFO("Found VCE firmware Version: %d.%d Binary ID: %d\n" ,
version_major, version_minor, binary_id);
adev->vce.fw_version = ((version_major << 24 ) | (version_minor << 16 ) |
(binary_id << 8 ));
r = amdgpu_bo_create_kernel(adev, size, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_VRAM |
AMDGPU_GEM_DOMAIN_GTT,
&adev->vce.vcpu_bo,
&adev->vce.gpu_addr, &adev->vce.cpu_addr);
if (r) {
dev_err(adev->dev, "(%d) failed to allocate VCE bo\n" , r);
return r;
}
for (i = 0 ; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
atomic_set(&adev->vce.handles[i], 0 );
adev->vce.filp[i] = NULL;
}
INIT_DELAYED_WORK(&adev->vce.idle_work, amdgpu_vce_idle_work_handler);
mutex_init(&adev->vce.idle_mutex);
return 0 ;
}
/**
* amdgpu_vce_sw_fini - free memory
*
* @ adev : amdgpu_device pointer
*
* Last step on VCE teardown , free firmware memory
*/
int amdgpu_vce_sw_fini(struct amdgpu_device *adev)
{
unsigned int i;
if (adev->vce.vcpu_bo == NULL)
return 0 ;
drm_sched_entity_destroy(&adev->vce.entity);
for (i = 0 ; i < adev->vce.num_rings; i++)
amdgpu_ring_fini(&adev->vce.ring[i]);
amdgpu_ucode_release(&adev->vce.fw);
mutex_destroy(&adev->vce.idle_mutex);
amdgpu_bo_free_kernel(&adev->vce.vcpu_bo, &adev->vce.gpu_addr,
(void **)&adev->vce.cpu_addr);
return 0 ;
}
/**
* amdgpu_vce_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_vce_entity_init(struct amdgpu_device *adev, struct amdgpu_ring *ring)
{
if (ring == &adev->vce.ring[0 ]) {
struct drm_gpu_scheduler *sched = &ring->sched;
int r;
r = drm_sched_entity_init(&adev->vce.entity, DRM_SCHED_PRIORITY_NORMAL,
&sched, 1 , NULL);
if (r != 0 ) {
DRM_ERROR("Failed setting up VCE run queue.\n" );
return r;
}
}
return 0 ;
}
/**
* amdgpu_vce_suspend - unpin VCE fw memory
*
* @ adev : amdgpu_device pointer
*
*/
int amdgpu_vce_suspend(struct amdgpu_device *adev)
{
int i;
cancel_delayed_work_sync(&adev->vce.idle_work);
if (adev->vce.vcpu_bo == NULL)
return 0 ;
for (i = 0 ; i < AMDGPU_MAX_VCE_HANDLES; ++i)
if (atomic_read(&adev->vce.handles[i]))
break ;
if (i == AMDGPU_MAX_VCE_HANDLES)
return 0 ;
/* TODO: suspending running encoding sessions isn't supported */
return -EINVAL;
}
/**
* amdgpu_vce_resume - pin VCE fw memory
*
* @ adev : amdgpu_device pointer
*
*/
int amdgpu_vce_resume(struct amdgpu_device *adev)
{
void *cpu_addr;
const struct common_firmware_header *hdr;
unsigned int offset;
int r, idx;
if (adev->vce.vcpu_bo == NULL)
return -EINVAL;
r = amdgpu_bo_reserve(adev->vce.vcpu_bo, false );
if (r) {
dev_err(adev->dev, "(%d) failed to reserve VCE bo\n" , r);
return r;
}
r = amdgpu_bo_kmap(adev->vce.vcpu_bo, &cpu_addr);
if (r) {
amdgpu_bo_unreserve(adev->vce.vcpu_bo);
dev_err(adev->dev, "(%d) VCE map failed\n" , r);
return r;
}
hdr = (const struct common_firmware_header *)adev->vce.fw->data;
offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
if (drm_dev_enter(adev_to_drm(adev), &idx)) {
memcpy_toio(cpu_addr, adev->vce.fw->data + offset,
adev->vce.fw->size - offset);
drm_dev_exit(idx);
}
amdgpu_bo_kunmap(adev->vce.vcpu_bo);
amdgpu_bo_unreserve(adev->vce.vcpu_bo);
return 0 ;
}
/**
* amdgpu_vce_idle_work_handler - power off VCE
*
* @ work : pointer to work structure
*
* power of VCE when it ' s not used any more
*/
static void amdgpu_vce_idle_work_handler(struct work_struct *work)
{
struct amdgpu_device *adev =
container_of(work, struct amdgpu_device, vce.idle_work.work);
unsigned int i, count = 0 ;
for (i = 0 ; i < adev->vce.num_rings; i++)
count += amdgpu_fence_count_emitted(&adev->vce.ring[i]);
if (count == 0 ) {
if (adev->pm.dpm_enabled) {
amdgpu_dpm_enable_vce(adev, false );
} else {
amdgpu_asic_set_vce_clocks(adev, 0 , 0 );
amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
AMD_PG_STATE_GATE);
amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
AMD_CG_STATE_GATE);
}
} else {
schedule_delayed_work(&adev->vce.idle_work, VCE_IDLE_TIMEOUT);
}
}
/**
* amdgpu_vce_ring_begin_use - power up VCE
*
* @ ring : amdgpu ring
*
* Make sure VCE is powerd up when we want to use it
*/
void amdgpu_vce_ring_begin_use(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
bool set_clocks;
if (amdgpu_sriov_vf(adev))
return ;
mutex_lock(&adev->vce.idle_mutex);
set_clocks = !cancel_delayed_work_sync(&adev->vce.idle_work);
if (set_clocks) {
if (adev->pm.dpm_enabled) {
amdgpu_dpm_enable_vce(adev, true );
} else {
amdgpu_asic_set_vce_clocks(adev, 53300 , 40000 );
amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
AMD_CG_STATE_UNGATE);
amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCE,
AMD_PG_STATE_UNGATE);
}
}
mutex_unlock(&adev->vce.idle_mutex);
}
/**
* amdgpu_vce_ring_end_use - power VCE down
*
* @ ring : amdgpu ring
*
* Schedule work to power VCE down again
*/
void amdgpu_vce_ring_end_use(struct amdgpu_ring *ring)
{
if (!amdgpu_sriov_vf(ring->adev))
schedule_delayed_work(&ring->adev->vce.idle_work, VCE_IDLE_TIMEOUT);
}
/**
* amdgpu_vce_free_handles - free still open VCE handles
*
* @ adev : amdgpu_device pointer
* @ filp : drm file pointer
*
* Close all VCE handles still open by this file pointer
*/
void amdgpu_vce_free_handles(struct amdgpu_device *adev, struct drm_file *filp)
{
struct amdgpu_ring *ring = &adev->vce.ring[0 ];
int i, r;
for (i = 0 ; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
uint32_t handle = atomic_read(&adev->vce.handles[i]);
if (!handle || adev->vce.filp[i] != filp)
continue ;
r = amdgpu_vce_get_destroy_msg(ring, handle, false , NULL);
if (r)
DRM_ERROR("Error destroying VCE handle (%d)!\n" , r);
adev->vce.filp[i] = NULL;
atomic_set(&adev->vce.handles[i], 0 );
}
}
/**
* amdgpu_vce_get_create_msg - generate a VCE create msg
*
* @ ring : ring we should submit the msg to
* @ handle : VCE session handle to use
* @ fence : optional fence to return
*
* Open up a stream for HW test
*/
static int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
struct dma_fence **fence)
{
const unsigned int ib_size_dw = 1024 ;
struct amdgpu_job *job;
struct amdgpu_ib *ib;
struct amdgpu_ib ib_msg;
struct dma_fence *f = NULL;
uint64_t addr;
int i, r;
r = amdgpu_job_alloc_with_ib(ring->adev, &ring->adev->vce.entity,
AMDGPU_FENCE_OWNER_UNDEFINED,
ib_size_dw * 4 , AMDGPU_IB_POOL_DIRECT,
&job);
if (r)
return r;
memset(&ib_msg, 0 , sizeof (ib_msg));
/* only one gpu page is needed, alloc +1 page to make addr aligned. */
r = amdgpu_ib_get(ring->adev, NULL, AMDGPU_GPU_PAGE_SIZE * 2 ,
AMDGPU_IB_POOL_DIRECT,
&ib_msg);
if (r)
goto err;
ib = &job->ibs[0 ];
/* let addr point to page boundary */
addr = AMDGPU_GPU_PAGE_ALIGN(ib_msg.gpu_addr);
/* stitch together an VCE create msg */
ib->length_dw = 0 ;
ib->ptr[ib->length_dw++] = 0 x0000000c; /* len */
ib->ptr[ib->length_dw++] = 0 x00000001; /* session cmd */
ib->ptr[ib->length_dw++] = handle;
if ((ring->adev->vce.fw_version >> 24 ) >= 52 )
ib->ptr[ib->length_dw++] = 0 x00000040; /* len */
else
ib->ptr[ib->length_dw++] = 0 x00000030; /* len */
ib->ptr[ib->length_dw++] = 0 x01000001; /* create cmd */
ib->ptr[ib->length_dw++] = 0 x00000000;
ib->ptr[ib->length_dw++] = 0 x00000042;
ib->ptr[ib->length_dw++] = 0 x0000000a;
ib->ptr[ib->length_dw++] = 0 x00000001;
ib->ptr[ib->length_dw++] = 0 x00000080;
ib->ptr[ib->length_dw++] = 0 x00000060;
ib->ptr[ib->length_dw++] = 0 x00000100;
ib->ptr[ib->length_dw++] = 0 x00000100;
ib->ptr[ib->length_dw++] = 0 x0000000c;
ib->ptr[ib->length_dw++] = 0 x00000000;
if ((ring->adev->vce.fw_version >> 24 ) >= 52 ) {
ib->ptr[ib->length_dw++] = 0 x00000000;
ib->ptr[ib->length_dw++] = 0 x00000000;
ib->ptr[ib->length_dw++] = 0 x00000000;
ib->ptr[ib->length_dw++] = 0 x00000000;
}
ib->ptr[ib->length_dw++] = 0 x00000014; /* len */
ib->ptr[ib->length_dw++] = 0 x05000005; /* feedback buffer */
ib->ptr[ib->length_dw++] = upper_32_bits(addr);
ib->ptr[ib->length_dw++] = addr;
ib->ptr[ib->length_dw++] = 0 x00000001;
for (i = ib->length_dw; i < ib_size_dw; ++i)
ib->ptr[i] = 0 x0;
r = amdgpu_job_submit_direct(job, ring, &f);
amdgpu_ib_free(&ib_msg, f);
if (r)
goto err;
if (fence)
*fence = dma_fence_get(f);
dma_fence_put(f);
return 0 ;
err:
amdgpu_job_free(job);
return r;
}
/**
* amdgpu_vce_get_destroy_msg - generate a VCE destroy msg
*
* @ ring : ring we should submit the msg to
* @ handle : VCE session handle to use
* @ direct : direct or delayed pool
* @ fence : optional fence to return
*
* Close up a stream for HW test or if userspace failed to do so
*/
static int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
bool direct, struct dma_fence **fence)
{
const unsigned int ib_size_dw = 1024 ;
struct amdgpu_job *job;
struct amdgpu_ib *ib;
struct dma_fence *f = NULL;
int i, r;
r = amdgpu_job_alloc_with_ib(ring->adev, &ring->adev->vce.entity,
AMDGPU_FENCE_OWNER_UNDEFINED,
ib_size_dw * 4 ,
direct ? AMDGPU_IB_POOL_DIRECT :
AMDGPU_IB_POOL_DELAYED, &job);
if (r)
return r;
ib = &job->ibs[0 ];
/* stitch together an VCE destroy msg */
ib->length_dw = 0 ;
ib->ptr[ib->length_dw++] = 0 x0000000c; /* len */
ib->ptr[ib->length_dw++] = 0 x00000001; /* session cmd */
ib->ptr[ib->length_dw++] = handle;
ib->ptr[ib->length_dw++] = 0 x00000020; /* len */
ib->ptr[ib->length_dw++] = 0 x00000002; /* task info */
ib->ptr[ib->length_dw++] = 0 xffffffff; /* next task info, set to 0xffffffff if no */
ib->ptr[ib->length_dw++] = 0 x00000001; /* destroy session */
ib->ptr[ib->length_dw++] = 0 x00000000;
ib->ptr[ib->length_dw++] = 0 x00000000;
ib->ptr[ib->length_dw++] = 0 xffffffff; /* feedback is not needed, set to 0xffffffff and firmware will not output feedback */
ib->ptr[ib->length_dw++] = 0 x00000000;
ib->ptr[ib->length_dw++] = 0 x00000008; /* len */
ib->ptr[ib->length_dw++] = 0 x02000001; /* destroy cmd */
for (i = ib->length_dw; i < ib_size_dw; ++i)
ib->ptr[i] = 0 x0;
if (direct)
r = amdgpu_job_submit_direct(job, ring, &f);
else
f = amdgpu_job_submit(job);
if (r)
goto err;
if (fence)
*fence = dma_fence_get(f);
dma_fence_put(f);
return 0 ;
err:
amdgpu_job_free(job);
return r;
}
/**
* amdgpu_vce_validate_bo - make sure not to cross 4 GB boundary
*
* @ p : cs parser
* @ ib : indirect buffer to use
* @ lo : address of lower dword
* @ hi : address of higher dword
* @ size : minimum size
* @ index : bs / fb index
*
* Make sure that no BO cross a 4 GB boundary .
*/
static int amdgpu_vce_validate_bo(struct amdgpu_cs_parser *p,
struct amdgpu_ib *ib, int lo, int hi,
unsigned int size, int32_t index)
{
int64_t offset = ((uint64_t)size) * ((int64_t)index);
struct ttm_operation_ctx ctx = { false , false };
struct amdgpu_bo_va_mapping *mapping;
unsigned int i, fpfn, lpfn;
struct amdgpu_bo *bo;
uint64_t addr;
int r;
addr = ((uint64_t)amdgpu_ib_get_value(ib, lo)) |
((uint64_t)amdgpu_ib_get_value(ib, hi)) << 32 ;
if (index >= 0 ) {
addr += offset;
fpfn = PAGE_ALIGN(offset) >> PAGE_SHIFT;
lpfn = 0 x100000000ULL >> PAGE_SHIFT;
} else {
fpfn = 0 ;
lpfn = (0 x100000000ULL - PAGE_ALIGN(offset)) >> PAGE_SHIFT;
}
r = amdgpu_cs_find_mapping(p, addr, &bo, &mapping);
if (r) {
DRM_ERROR("Can't find BO for addr 0x%010llx %d %d %d %d\n" ,
addr, lo, hi, size, index);
return r;
}
for (i = 0 ; i < bo->placement.num_placement; ++i) {
bo->placements[i].fpfn = max(bo->placements[i].fpfn, fpfn);
bo->placements[i].lpfn = bo->placements[i].lpfn ?
min(bo->placements[i].lpfn, lpfn) : lpfn;
}
return ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
}
/**
* amdgpu_vce_cs_reloc - command submission relocation
*
* @ p : parser context
* @ ib : indirect buffer to use
* @ lo : address of lower dword
* @ hi : address of higher dword
* @ size : minimum size
* @ index : bs / fb index
*
* Patch relocation inside command stream with real buffer address
*/
static int amdgpu_vce_cs_reloc(struct amdgpu_cs_parser *p, struct amdgpu_ib *ib,
int lo, int hi, unsigned int size, uint32_t index)
{
struct amdgpu_bo_va_mapping *mapping;
struct amdgpu_bo *bo;
uint64_t addr;
int r;
if (index == 0 xffffffff)
index = 0 ;
addr = ((uint64_t)amdgpu_ib_get_value(ib, lo)) |
((uint64_t)amdgpu_ib_get_value(ib, hi)) << 32 ;
addr += ((uint64_t)size) * ((uint64_t)index);
r = amdgpu_cs_find_mapping(p, addr, &bo, &mapping);
if (r) {
DRM_ERROR("Can't find BO for addr 0x%010llx %d %d %d %d\n" ,
addr, lo, hi, size, index);
return r;
}
if ((addr + (uint64_t)size) >
(mapping->last + 1 ) * AMDGPU_GPU_PAGE_SIZE) {
DRM_ERROR("BO too small for addr 0x%010llx %d %d\n" ,
addr, lo, hi);
return -EINVAL;
}
addr -= mapping->start * AMDGPU_GPU_PAGE_SIZE;
addr += amdgpu_bo_gpu_offset(bo);
addr -= ((uint64_t)size) * ((uint64_t)index);
amdgpu_ib_set_value(ib, lo, lower_32_bits(addr));
amdgpu_ib_set_value(ib, hi, upper_32_bits(addr));
return 0 ;
}
/**
* amdgpu_vce_validate_handle - validate stream handle
*
* @ p : parser context
* @ handle : handle to validate
* @ allocated : allocated a new handle ?
*
* Validates the handle and return the found session index or - EINVAL
* we don ' t have another free session index .
*/
static int amdgpu_vce_validate_handle(struct amdgpu_cs_parser *p,
uint32_t handle, uint32_t *allocated)
{
unsigned int i;
/* validate the handle */
for (i = 0 ; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
if (atomic_read(&p->adev->vce.handles[i]) == handle) {
if (p->adev->vce.filp[i] != p->filp) {
DRM_ERROR("VCE handle collision detected!\n" );
return -EINVAL;
}
return i;
}
}
/* handle not found try to alloc a new one */
for (i = 0 ; i < AMDGPU_MAX_VCE_HANDLES; ++i) {
if (!atomic_cmpxchg(&p->adev->vce.handles[i], 0 , handle)) {
p->adev->vce.filp[i] = p->filp;
p->adev->vce.img_size[i] = 0 ;
*allocated |= 1 << i;
return i;
}
}
DRM_ERROR("No more free VCE handles!\n" );
return -EINVAL;
}
/**
* amdgpu_vce_ring_parse_cs - parse and validate the command stream
*
* @ p : parser context
* @ job : the job to parse
* @ ib : the IB to patch
*/
int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p,
struct amdgpu_job *job,
struct amdgpu_ib *ib)
{
unsigned int fb_idx = 0 , bs_idx = 0 ;
int session_idx = -1 ;
uint32_t destroyed = 0 ;
uint32_t created = 0 ;
uint32_t allocated = 0 ;
uint32_t tmp, handle = 0 ;
uint32_t dummy = 0 xffffffff;
uint32_t *size = &dummy;
unsigned int idx;
int i, r = 0 ;
job->vm = NULL;
for (idx = 0 ; idx < ib->length_dw;) {
uint32_t len = amdgpu_ib_get_value(ib, idx);
uint32_t cmd = amdgpu_ib_get_value(ib, idx + 1 );
if ((len < 8 ) || (len & 3 )) {
DRM_ERROR("invalid VCE command length (%d)!\n" , len);
r = -EINVAL;
goto out;
}
switch (cmd) {
case 0 x00000002: /* task info */
fb_idx = amdgpu_ib_get_value(ib, idx + 6 );
bs_idx = amdgpu_ib_get_value(ib, idx + 7 );
break ;
case 0 x03000001: /* encode */
r = amdgpu_vce_validate_bo(p, ib, idx + 10 , idx + 9 ,
0 , 0 );
if (r)
goto out;
r = amdgpu_vce_validate_bo(p, ib, idx + 12 , idx + 11 ,
0 , 0 );
if (r)
goto out;
break ;
case 0 x05000001: /* context buffer */
r = amdgpu_vce_validate_bo(p, ib, idx + 3 , idx + 2 ,
0 , 0 );
if (r)
goto out;
break ;
case 0 x05000004: /* video bitstream buffer */
tmp = amdgpu_ib_get_value(ib, idx + 4 );
r = amdgpu_vce_validate_bo(p, ib, idx + 3 , idx + 2 ,
tmp, bs_idx);
if (r)
goto out;
break ;
case 0 x05000005: /* feedback buffer */
r = amdgpu_vce_validate_bo(p, ib, idx + 3 , idx + 2 ,
4096 , fb_idx);
if (r)
goto out;
break ;
case 0 x0500000d: /* MV buffer */
r = amdgpu_vce_validate_bo(p, ib, idx + 3 , idx + 2 ,
0 , 0 );
if (r)
goto out;
r = amdgpu_vce_validate_bo(p, ib, idx + 8 , idx + 7 ,
0 , 0 );
if (r)
goto out;
break ;
}
idx += len / 4 ;
}
for (idx = 0 ; idx < ib->length_dw;) {
uint32_t len = amdgpu_ib_get_value(ib, idx);
uint32_t cmd = amdgpu_ib_get_value(ib, idx + 1 );
switch (cmd) {
case 0 x00000001: /* session */
handle = amdgpu_ib_get_value(ib, idx + 2 );
session_idx = amdgpu_vce_validate_handle(p, handle,
&allocated);
if (session_idx < 0 ) {
r = session_idx;
goto out;
}
size = &p->adev->vce.img_size[session_idx];
break ;
case 0 x00000002: /* task info */
fb_idx = amdgpu_ib_get_value(ib, idx + 6 );
bs_idx = amdgpu_ib_get_value(ib, idx + 7 );
break ;
case 0 x01000001: /* create */
created |= 1 << session_idx;
if (destroyed & (1 << session_idx)) {
destroyed &= ~(1 << session_idx);
allocated |= 1 << session_idx;
} else if (!(allocated & (1 << session_idx))) {
DRM_ERROR("Handle already in use!\n" );
r = -EINVAL;
goto out;
}
*size = amdgpu_ib_get_value(ib, idx + 8 ) *
amdgpu_ib_get_value(ib, idx + 10 ) *
8 * 3 / 2 ;
break ;
case 0 x04000001: /* config extension */
case 0 x04000002: /* pic control */
case 0 x04000005: /* rate control */
case 0 x04000007: /* motion estimation */
case 0 x04000008: /* rdo */
case 0 x04000009: /* vui */
case 0 x05000002: /* auxiliary buffer */
case 0 x05000009: /* clock table */
break ;
case 0 x0500000c: /* hw config */
switch (p->adev->asic_type) {
#ifdef CONFIG_DRM_AMDGPU_CIK
case CHIP_KAVERI:
case CHIP_MULLINS:
#endif
case CHIP_CARRIZO:
break ;
default :
r = -EINVAL;
goto out;
}
break ;
case 0 x03000001: /* encode */
r = amdgpu_vce_cs_reloc(p, ib, idx + 10 , idx + 9 ,
*size, 0 );
if (r)
goto out;
r = amdgpu_vce_cs_reloc(p, ib, idx + 12 , idx + 11 ,
*size / 3 , 0 );
if (r)
goto out;
break ;
case 0 x02000001: /* destroy */
destroyed |= 1 << session_idx;
break ;
case 0 x05000001: /* context buffer */
r = amdgpu_vce_cs_reloc(p, ib, idx + 3 , idx + 2 ,
*size * 2 , 0 );
if (r)
goto out;
break ;
case 0 x05000004: /* video bitstream buffer */
tmp = amdgpu_ib_get_value(ib, idx + 4 );
r = amdgpu_vce_cs_reloc(p, ib, idx + 3 , idx + 2 ,
tmp, bs_idx);
if (r)
goto out;
break ;
case 0 x05000005: /* feedback buffer */
r = amdgpu_vce_cs_reloc(p, ib, idx + 3 , idx + 2 ,
4096 , fb_idx);
if (r)
goto out;
break ;
case 0 x0500000d: /* MV buffer */
r = amdgpu_vce_cs_reloc(p, ib, idx + 3 ,
idx + 2 , *size, 0 );
if (r)
goto out;
r = amdgpu_vce_cs_reloc(p, ib, idx + 8 ,
idx + 7 , *size / 12 , 0 );
if (r)
goto out;
break ;
default :
DRM_ERROR("invalid VCE command (0x%x)!\n" , cmd);
r = -EINVAL;
goto out;
}
if (session_idx == -1 ) {
DRM_ERROR("no session command at start of IB\n" );
r = -EINVAL;
goto out;
}
idx += len / 4 ;
}
if (allocated & ~created) {
DRM_ERROR("New session without create command!\n" );
r = -ENOENT;
}
out:
if (!r) {
/* No error, free all destroyed handle slots */
tmp = destroyed;
} else {
/* Error during parsing, free all allocated handle slots */
tmp = allocated;
}
for (i = 0 ; i < AMDGPU_MAX_VCE_HANDLES; ++i)
if (tmp & (1 << i))
atomic_set(&p->adev->vce.handles[i], 0 );
return r;
}
/**
* amdgpu_vce_ring_parse_cs_vm - parse the command stream in VM mode
*
* @ p : parser context
* @ job : the job to parse
* @ ib : the IB to patch
*/
int amdgpu_vce_ring_parse_cs_vm(struct amdgpu_cs_parser *p,
struct amdgpu_job *job,
struct amdgpu_ib *ib)
{
int session_idx = -1 ;
uint32_t destroyed = 0 ;
uint32_t created = 0 ;
uint32_t allocated = 0 ;
uint32_t tmp, handle = 0 ;
int i, r = 0 , idx = 0 ;
while (idx < ib->length_dw) {
uint32_t len = amdgpu_ib_get_value(ib, idx);
uint32_t cmd = amdgpu_ib_get_value(ib, idx + 1 );
if ((len < 8 ) || (len & 3 )) {
DRM_ERROR("invalid VCE command length (%d)!\n" , len);
r = -EINVAL;
goto out;
}
switch (cmd) {
case 0 x00000001: /* session */
handle = amdgpu_ib_get_value(ib, idx + 2 );
session_idx = amdgpu_vce_validate_handle(p, handle,
&allocated);
if (session_idx < 0 ) {
r = session_idx;
goto out;
}
break ;
case 0 x01000001: /* create */
created |= 1 << session_idx;
if (destroyed & (1 << session_idx)) {
destroyed &= ~(1 << session_idx);
allocated |= 1 << session_idx;
} else if (!(allocated & (1 << session_idx))) {
DRM_ERROR("Handle already in use!\n" );
r = -EINVAL;
goto out;
}
break ;
case 0 x02000001: /* destroy */
destroyed |= 1 << session_idx;
break ;
default :
break ;
}
if (session_idx == -1 ) {
DRM_ERROR("no session command at start of IB\n" );
r = -EINVAL;
goto out;
}
idx += len / 4 ;
}
if (allocated & ~created) {
DRM_ERROR("New session without create command!\n" );
r = -ENOENT;
}
out:
if (!r) {
/* No error, free all destroyed handle slots */
tmp = destroyed;
} else {
/* Error during parsing, free all allocated handle slots */
tmp = allocated;
}
for (i = 0 ; i < AMDGPU_MAX_VCE_HANDLES; ++i)
if (tmp & (1 << i))
atomic_set(&p->adev->vce.handles[i], 0 );
return r;
}
/**
* amdgpu_vce_ring_emit_ib - execute indirect buffer
*
* @ ring : engine to use
* @ job : job to retrieve vmid from
* @ ib : the IB to execute
* @ flags : unused
*
*/
void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring,
struct amdgpu_job *job,
struct amdgpu_ib *ib,
uint32_t flags)
{
amdgpu_ring_write(ring, VCE_CMD_IB);
amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
amdgpu_ring_write(ring, ib->length_dw);
}
/**
* amdgpu_vce_ring_emit_fence - add a fence command to the ring
*
* @ ring : engine to use
* @ addr : address
* @ seq : sequence number
* @ flags : fence related flags
*
*/
void amdgpu_vce_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
unsigned int flags)
{
WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
amdgpu_ring_write(ring, VCE_CMD_FENCE);
amdgpu_ring_write(ring, addr);
amdgpu_ring_write(ring, upper_32_bits(addr));
amdgpu_ring_write(ring, seq);
amdgpu_ring_write(ring, VCE_CMD_TRAP);
amdgpu_ring_write(ring, VCE_CMD_END);
}
/**
* amdgpu_vce_ring_test_ring - test if VCE ring is working
*
* @ ring : the engine to test on
*
*/
int amdgpu_vce_ring_test_ring(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
uint32_t rptr;
unsigned int i;
int r, timeout = adev->usec_timeout;
/* skip ring test for sriov*/
if (amdgpu_sriov_vf(adev))
return 0 ;
r = amdgpu_ring_alloc(ring, 16 );
if (r)
return r;
rptr = amdgpu_ring_get_rptr(ring);
amdgpu_ring_write(ring, VCE_CMD_END);
amdgpu_ring_commit(ring);
for (i = 0 ; i < timeout; i++) {
if (amdgpu_ring_get_rptr(ring) != rptr)
break ;
udelay(1 );
}
if (i >= timeout)
r = -ETIMEDOUT;
return r;
}
/**
* amdgpu_vce_ring_test_ib - test if VCE IBs are working
*
* @ ring : the engine to test on
* @ timeout : timeout value in jiffies , or MAX_SCHEDULE_TIMEOUT
*
*/
int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring, long timeout)
{
struct dma_fence *fence = NULL;
long r;
/* skip vce ring1/2 ib test for now, since it's not reliable */
if (ring != &ring->adev->vce.ring[0 ])
return 0 ;
r = amdgpu_vce_get_create_msg(ring, 1 , NULL);
if (r)
goto error;
r = amdgpu_vce_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 ;
error:
dma_fence_put(fence);
return r;
}
enum amdgpu_ring_priority_level amdgpu_vce_get_ring_prio(int ring)
{
switch (ring) {
case 0 :
return AMDGPU_RING_PRIO_0;
case 1 :
return AMDGPU_RING_PRIO_1;
case 2 :
return AMDGPU_RING_PRIO_2;
default :
return AMDGPU_RING_PRIO_0;
}
}
Messung V0.5 in Prozent C=94 H=80 G=87
¤ Dauer der Verarbeitung: 0.26 Sekunden
(vorverarbeitet am 2026-10-03)
¤
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