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OpenCloudOS-Kernel/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c

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/*
* 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 König <christian.koenig@amd.com>
*/
#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_vce.h"
#include "cikd.h"
/* 1 second timeout */
#define VCE_IDLE_TIMEOUT_MS 1000
/* Firmware Names */
#ifdef CONFIG_DRM_AMDGPU_CIK
#define FIRMWARE_BONAIRE "radeon/bonaire_vce.bin"
#define FIRMWARE_KABINI "radeon/kabini_vce.bin"
#define FIRMWARE_KAVERI "radeon/kaveri_vce.bin"
#define FIRMWARE_HAWAII "radeon/hawaii_vce.bin"
#define FIRMWARE_MULLINS "radeon/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"
#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);
static void amdgpu_vce_idle_work_handler(struct work_struct *work);
/**
* amdgpu_vce_init - allocate memory, load vce firmware
*
* @adev: amdgpu_device pointer
*
* 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 ucode_version, version_major, version_minor, binary_id;
int i, r;
INIT_DELAYED_WORK(&adev->vce.idle_work, amdgpu_vce_idle_work_handler);
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;
default:
return -EINVAL;
}
r = request_firmware(&adev->vce.fw, fw_name, adev->dev);
if (r) {
dev_err(adev->dev, "amdgpu_vce: Can't load firmware \"%s\"\n",
fw_name);
return r;
}
r = amdgpu_ucode_validate(adev->vce.fw);
if (r) {
dev_err(adev->dev, "amdgpu_vce: Can't validate firmware \"%s\"\n",
fw_name);
release_firmware(adev->vce.fw);
adev->vce.fw = NULL;
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) & 0xfff;
version_minor = (ucode_version >> 8) & 0xfff;
binary_id = ucode_version & 0xff;
DRM_INFO("Found VCE firmware Version: %hhd.%hhd Binary ID: %hhd\n",
version_major, version_minor, binary_id);
adev->vce.fw_version = ((version_major << 24) | (version_minor << 16) |
(binary_id << 8));
/* allocate firmware, stack and heap BO */
r = amdgpu_bo_create(adev, size, PAGE_SIZE, true,
AMDGPU_GEM_DOMAIN_VRAM,
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
NULL, NULL, &adev->vce.vcpu_bo);
if (r) {
dev_err(adev->dev, "(%d) failed to allocate VCE bo\n", r);
return r;
}
r = amdgpu_bo_reserve(adev->vce.vcpu_bo, false);
if (r) {
amdgpu_bo_unref(&adev->vce.vcpu_bo);
dev_err(adev->dev, "(%d) failed to reserve VCE bo\n", r);
return r;
}
r = amdgpu_bo_pin(adev->vce.vcpu_bo, AMDGPU_GEM_DOMAIN_VRAM,
&adev->vce.gpu_addr);
amdgpu_bo_unreserve(adev->vce.vcpu_bo);
if (r) {
amdgpu_bo_unref(&adev->vce.vcpu_bo);
dev_err(adev->dev, "(%d) VCE bo pin failed\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;
}
return 0;
}
/**
* amdgpu_vce_fini - free memory
*
* @adev: amdgpu_device pointer
*
* Last step on VCE teardown, free firmware memory
*/
int amdgpu_vce_sw_fini(struct amdgpu_device *adev)
{
if (adev->vce.vcpu_bo == NULL)
return 0;
amdgpu_bo_unref(&adev->vce.vcpu_bo);
amdgpu_ring_fini(&adev->vce.ring[0]);
amdgpu_ring_fini(&adev->vce.ring[1]);
release_firmware(adev->vce.fw);
return 0;
}
/**
* amdgpu_vce_suspend - unpin VCE fw memory
*
* @adev: amdgpu_device pointer
*
*/
int amdgpu_vce_suspend(struct amdgpu_device *adev)
{
int i;
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 offset;
int r;
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);
memcpy(cpu_addr, (adev->vce.fw->data) + offset,
(adev->vce.fw->size) - offset);
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);
if ((amdgpu_fence_count_emitted(&adev->vce.ring[0]) == 0) &&
(amdgpu_fence_count_emitted(&adev->vce.ring[1]) == 0)) {
if (adev->pm.dpm_enabled) {
amdgpu_dpm_enable_vce(adev, false);
} else {
amdgpu_asic_set_vce_clocks(adev, 0, 0);
}
} else {
schedule_delayed_work(&adev->vce.idle_work,
msecs_to_jiffies(VCE_IDLE_TIMEOUT_MS));
}
}
/**
* amdgpu_vce_note_usage - power up VCE
*
* @adev: amdgpu_device pointer
*
* Make sure VCE is powerd up when we want to use it
*/
static void amdgpu_vce_note_usage(struct amdgpu_device *adev)
{
bool streams_changed = false;
bool set_clocks = !cancel_delayed_work_sync(&adev->vce.idle_work);
set_clocks &= schedule_delayed_work(&adev->vce.idle_work,
msecs_to_jiffies(VCE_IDLE_TIMEOUT_MS));
if (adev->pm.dpm_enabled) {
/* XXX figure out if the streams changed */
streams_changed = false;
}
if (set_clocks || streams_changed) {
if (adev->pm.dpm_enabled) {
amdgpu_dpm_enable_vce(adev, true);
} else {
amdgpu_asic_set_vce_clocks(adev, 53300, 40000);
}
}
}
/**
* 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;
amdgpu_vce_note_usage(adev);
r = amdgpu_vce_get_destroy_msg(ring, handle, NULL);
if (r)
DRM_ERROR("Error destroying VCE handle (%d)!\n", r);
adev->vce.filp[i] = NULL;
atomic_set(&adev->vce.handles[i], 0);
}
}
static int amdgpu_vce_free_job(
struct amdgpu_job *job)
{
amdgpu_ib_free(job->adev, job->ibs);
kfree(job->ibs);
return 0;
}
/**
* amdgpu_vce_get_create_msg - generate a VCE create msg
*
* @adev: amdgpu_device pointer
* @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
*/
int amdgpu_vce_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
struct fence **fence)
{
const unsigned ib_size_dw = 1024;
struct amdgpu_ib *ib = NULL;
struct fence *f = NULL;
struct amdgpu_device *adev = ring->adev;
uint64_t dummy;
int i, r;
ib = kzalloc(sizeof(struct amdgpu_ib), GFP_KERNEL);
if (!ib)
return -ENOMEM;
r = amdgpu_ib_get(ring, NULL, ib_size_dw * 4, ib);
if (r) {
DRM_ERROR("amdgpu: failed to get ib (%d).\n", r);
kfree(ib);
return r;
}
dummy = ib->gpu_addr + 1024;
/* stitch together an VCE create msg */
ib->length_dw = 0;
ib->ptr[ib->length_dw++] = 0x0000000c; /* len */
ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */
ib->ptr[ib->length_dw++] = handle;
ib->ptr[ib->length_dw++] = 0x00000030; /* len */
ib->ptr[ib->length_dw++] = 0x01000001; /* create cmd */
ib->ptr[ib->length_dw++] = 0x00000000;
ib->ptr[ib->length_dw++] = 0x00000042;
ib->ptr[ib->length_dw++] = 0x0000000a;
ib->ptr[ib->length_dw++] = 0x00000001;
ib->ptr[ib->length_dw++] = 0x00000080;
ib->ptr[ib->length_dw++] = 0x00000060;
ib->ptr[ib->length_dw++] = 0x00000100;
ib->ptr[ib->length_dw++] = 0x00000100;
ib->ptr[ib->length_dw++] = 0x0000000c;
ib->ptr[ib->length_dw++] = 0x00000000;
ib->ptr[ib->length_dw++] = 0x00000014; /* len */
ib->ptr[ib->length_dw++] = 0x05000005; /* feedback buffer */
ib->ptr[ib->length_dw++] = upper_32_bits(dummy);
ib->ptr[ib->length_dw++] = dummy;
ib->ptr[ib->length_dw++] = 0x00000001;
for (i = ib->length_dw; i < ib_size_dw; ++i)
ib->ptr[i] = 0x0;
r = amdgpu_sched_ib_submit_kernel_helper(adev, ring, ib, 1,
&amdgpu_vce_free_job,
AMDGPU_FENCE_OWNER_UNDEFINED,
&f);
if (r)
goto err;
if (fence)
*fence = fence_get(f);
fence_put(f);
if (amdgpu_enable_scheduler)
return 0;
err:
amdgpu_ib_free(adev, ib);
kfree(ib);
return r;
}
/**
* amdgpu_vce_get_destroy_msg - generate a VCE destroy msg
*
* @adev: amdgpu_device pointer
* @ring: ring we should submit the msg to
* @handle: VCE session handle to use
* @fence: optional fence to return
*
* Close up a stream for HW test or if userspace failed to do so
*/
int amdgpu_vce_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
struct fence **fence)
{
const unsigned ib_size_dw = 1024;
struct amdgpu_ib *ib = NULL;
struct fence *f = NULL;
struct amdgpu_device *adev = ring->adev;
uint64_t dummy;
int i, r;
ib = kzalloc(sizeof(struct amdgpu_ib), GFP_KERNEL);
if (!ib)
return -ENOMEM;
r = amdgpu_ib_get(ring, NULL, ib_size_dw * 4, ib);
if (r) {
kfree(ib);
DRM_ERROR("amdgpu: failed to get ib (%d).\n", r);
return r;
}
dummy = ib->gpu_addr + 1024;
/* stitch together an VCE destroy msg */
ib->length_dw = 0;
ib->ptr[ib->length_dw++] = 0x0000000c; /* len */
ib->ptr[ib->length_dw++] = 0x00000001; /* session cmd */
ib->ptr[ib->length_dw++] = handle;
ib->ptr[ib->length_dw++] = 0x00000014; /* len */
ib->ptr[ib->length_dw++] = 0x05000005; /* feedback buffer */
ib->ptr[ib->length_dw++] = upper_32_bits(dummy);
ib->ptr[ib->length_dw++] = dummy;
ib->ptr[ib->length_dw++] = 0x00000001;
ib->ptr[ib->length_dw++] = 0x00000008; /* len */
ib->ptr[ib->length_dw++] = 0x02000001; /* destroy cmd */
for (i = ib->length_dw; i < ib_size_dw; ++i)
ib->ptr[i] = 0x0;
r = amdgpu_sched_ib_submit_kernel_helper(adev, ring, ib, 1,
&amdgpu_vce_free_job,
AMDGPU_FENCE_OWNER_UNDEFINED,
&f);
if (r)
goto err;
if (fence)
*fence = fence_get(f);
fence_put(f);
if (amdgpu_enable_scheduler)
return 0;
err:
amdgpu_ib_free(adev, ib);
kfree(ib);
return r;
}
/**
* amdgpu_vce_cs_reloc - command submission relocation
*
* @p: parser context
* @lo: address of lower dword
* @hi: address of higher dword
* @size: minimum size
*
* Patch relocation inside command stream with real buffer address
*/
static int amdgpu_vce_cs_reloc(struct amdgpu_cs_parser *p, uint32_t ib_idx,
int lo, int hi, unsigned size, uint32_t index)
{
struct amdgpu_bo_va_mapping *mapping;
struct amdgpu_ib *ib = &p->ibs[ib_idx];
struct amdgpu_bo *bo;
uint64_t addr;
if (index == 0xffffffff)
index = 0;
addr = ((uint64_t)amdgpu_get_ib_value(p, ib_idx, lo)) |
((uint64_t)amdgpu_get_ib_value(p, ib_idx, hi)) << 32;
addr += ((uint64_t)size) * ((uint64_t)index);
mapping = amdgpu_cs_find_mapping(p, addr, &bo);
if (mapping == NULL) {
DRM_ERROR("Can't find BO for addr 0x%010Lx %d %d %d %d\n",
addr, lo, hi, size, index);
return -EINVAL;
}
if ((addr + (uint64_t)size) >
((uint64_t)mapping->it.last + 1) * AMDGPU_GPU_PAGE_SIZE) {
DRM_ERROR("BO to small for addr 0x%010Lx %d %d\n",
addr, lo, hi);
return -EINVAL;
}
addr -= ((uint64_t)mapping->it.start) * AMDGPU_GPU_PAGE_SIZE;
addr += amdgpu_bo_gpu_offset(bo);
addr -= ((uint64_t)size) * ((uint64_t)index);
ib->ptr[lo] = addr & 0xFFFFFFFF;
ib->ptr[hi] = addr >> 32;
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 we don't have another free session index.
*/
static int amdgpu_vce_validate_handle(struct amdgpu_cs_parser *p,
uint32_t handle, bool *allocated)
{
unsigned i;
*allocated = false;
/* 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 = true;
return i;
}
}
DRM_ERROR("No more free VCE handles!\n");
return -EINVAL;
}
/**
* amdgpu_vce_cs_parse - parse and validate the command stream
*
* @p: parser context
*
*/
int amdgpu_vce_ring_parse_cs(struct amdgpu_cs_parser *p, uint32_t ib_idx)
{
struct amdgpu_ib *ib = &p->ibs[ib_idx];
unsigned fb_idx = 0, bs_idx = 0;
int session_idx = -1;
bool destroyed = false;
bool created = false;
bool allocated = false;
uint32_t tmp, handle = 0;
uint32_t *size = &tmp;
int i, r = 0, idx = 0;
amdgpu_vce_note_usage(p->adev);
while (idx < ib->length_dw) {
uint32_t len = amdgpu_get_ib_value(p, ib_idx, idx);
uint32_t cmd = amdgpu_get_ib_value(p, ib_idx, idx + 1);
if ((len < 8) || (len & 3)) {
DRM_ERROR("invalid VCE command length (%d)!\n", len);
r = -EINVAL;
goto out;
}
if (destroyed) {
DRM_ERROR("No other command allowed after destroy!\n");
r = -EINVAL;
goto out;
}
switch (cmd) {
case 0x00000001: // session
handle = amdgpu_get_ib_value(p, ib_idx, idx + 2);
session_idx = amdgpu_vce_validate_handle(p, handle,
&allocated);
if (session_idx < 0)
return session_idx;
size = &p->adev->vce.img_size[session_idx];
break;
case 0x00000002: // task info
fb_idx = amdgpu_get_ib_value(p, ib_idx, idx + 6);
bs_idx = amdgpu_get_ib_value(p, ib_idx, idx + 7);
break;
case 0x01000001: // create
created = true;
if (!allocated) {
DRM_ERROR("Handle already in use!\n");
r = -EINVAL;
goto out;
}
*size = amdgpu_get_ib_value(p, ib_idx, idx + 8) *
amdgpu_get_ib_value(p, ib_idx, idx + 10) *
8 * 3 / 2;
break;
case 0x04000001: // config extension
case 0x04000002: // pic control
case 0x04000005: // rate control
case 0x04000007: // motion estimation
case 0x04000008: // rdo
case 0x04000009: // vui
case 0x05000002: // auxiliary buffer
break;
case 0x03000001: // encode
r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 10, idx + 9,
*size, 0);
if (r)
goto out;
r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 12, idx + 11,
*size / 3, 0);
if (r)
goto out;
break;
case 0x02000001: // destroy
destroyed = true;
break;
case 0x05000001: // context buffer
r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2,
*size * 2, 0);
if (r)
goto out;
break;
case 0x05000004: // video bitstream buffer
tmp = amdgpu_get_ib_value(p, ib_idx, idx + 4);
r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2,
tmp, bs_idx);
if (r)
goto out;
break;
case 0x05000005: // feedback buffer
r = amdgpu_vce_cs_reloc(p, ib_idx, idx + 3, idx + 2,
4096, fb_idx);
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 && destroyed) || (r && allocated)) {
/*
* IB contains a destroy msg or we have allocated an
* handle and got an error, anyway free the handle
*/
for (i = 0; i < AMDGPU_MAX_VCE_HANDLES; ++i)
atomic_cmpxchg(&p->adev->vce.handles[i], handle, 0);
}
return r;
}
/**
* amdgpu_vce_ring_emit_semaphore - emit a semaphore command
*
* @ring: engine to use
* @semaphore: address of semaphore
* @emit_wait: true=emit wait, false=emit signal
*
*/
bool amdgpu_vce_ring_emit_semaphore(struct amdgpu_ring *ring,
struct amdgpu_semaphore *semaphore,
bool emit_wait)
{
uint64_t addr = semaphore->gpu_addr;
amdgpu_ring_write(ring, VCE_CMD_SEMAPHORE);
amdgpu_ring_write(ring, (addr >> 3) & 0x000FFFFF);
amdgpu_ring_write(ring, (addr >> 23) & 0x000FFFFF);
amdgpu_ring_write(ring, 0x01003000 | (emit_wait ? 1 : 0));
if (!emit_wait)
amdgpu_ring_write(ring, VCE_CMD_END);
return true;
}
/**
* amdgpu_vce_ring_emit_ib - execute indirect buffer
*
* @ring: engine to use
* @ib: the IB to execute
*
*/
void amdgpu_vce_ring_emit_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib)
{
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
* @fence: the fence
*
*/
void amdgpu_vce_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
unsigned 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 = amdgpu_ring_get_rptr(ring);
unsigned i;
int r;
r = amdgpu_ring_lock(ring, 16);
if (r) {
DRM_ERROR("amdgpu: vce failed to lock ring %d (%d).\n",
ring->idx, r);
return r;
}
amdgpu_ring_write(ring, VCE_CMD_END);
amdgpu_ring_unlock_commit(ring);
for (i = 0; i < adev->usec_timeout; i++) {
if (amdgpu_ring_get_rptr(ring) != rptr)
break;
DRM_UDELAY(1);
}
if (i < adev->usec_timeout) {
DRM_INFO("ring test on %d succeeded in %d usecs\n",
ring->idx, i);
} else {
DRM_ERROR("amdgpu: ring %d test failed\n",
ring->idx);
r = -ETIMEDOUT;
}
return r;
}
/**
* amdgpu_vce_ring_test_ib - test if VCE IBs are working
*
* @ring: the engine to test on
*
*/
int amdgpu_vce_ring_test_ib(struct amdgpu_ring *ring)
{
struct fence *fence = NULL;
int r;
/* skip vce ring1 ib test for now, since it's not reliable */
if (ring == &ring->adev->vce.ring[1])
return 0;
r = amdgpu_vce_get_create_msg(ring, 1, NULL);
if (r) {
DRM_ERROR("amdgpu: failed to get create msg (%d).\n", r);
goto error;
}
r = amdgpu_vce_get_destroy_msg(ring, 1, &fence);
if (r) {
DRM_ERROR("amdgpu: failed to get destroy ib (%d).\n", r);
goto error;
}
r = fence_wait(fence, false);
if (r) {
DRM_ERROR("amdgpu: fence wait failed (%d).\n", r);
} else {
DRM_INFO("ib test on ring %d succeeded\n", ring->idx);
}
error:
fence_put(fence);
return r;
}
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