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linux-zen-desktop/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c

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Initial commit
2023-08-30 17:31:07 +02:00
/*
* Copyright 2016 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.
*
*/
#include <linux/firmware.h>
#include <linux/module.h>
#include <linux/dmi.h>
#include <linux/pci.h>
#include <linux/debugfs.h>
#include <drm/drm_drv.h>
#include "amdgpu.h"
#include "amdgpu_pm.h"
#include "amdgpu_vcn.h"
#include "soc15d.h"
/* Firmware Names */
#define FIRMWARE_RAVEN "amdgpu/raven_vcn.bin"
#define FIRMWARE_PICASSO "amdgpu/picasso_vcn.bin"
#define FIRMWARE_RAVEN2 "amdgpu/raven2_vcn.bin"
#define FIRMWARE_ARCTURUS "amdgpu/arcturus_vcn.bin"
#define FIRMWARE_RENOIR "amdgpu/renoir_vcn.bin"
#define FIRMWARE_GREEN_SARDINE "amdgpu/green_sardine_vcn.bin"
#define FIRMWARE_NAVI10 "amdgpu/navi10_vcn.bin"
#define FIRMWARE_NAVI14 "amdgpu/navi14_vcn.bin"
#define FIRMWARE_NAVI12 "amdgpu/navi12_vcn.bin"
#define FIRMWARE_SIENNA_CICHLID "amdgpu/sienna_cichlid_vcn.bin"
#define FIRMWARE_NAVY_FLOUNDER "amdgpu/navy_flounder_vcn.bin"
#define FIRMWARE_VANGOGH "amdgpu/vangogh_vcn.bin"
#define FIRMWARE_DIMGREY_CAVEFISH "amdgpu/dimgrey_cavefish_vcn.bin"
#define FIRMWARE_ALDEBARAN "amdgpu/aldebaran_vcn.bin"
#define FIRMWARE_BEIGE_GOBY "amdgpu/beige_goby_vcn.bin"
#define FIRMWARE_YELLOW_CARP "amdgpu/yellow_carp_vcn.bin"
#define FIRMWARE_VCN_3_1_2 "amdgpu/vcn_3_1_2.bin"
#define FIRMWARE_VCN4_0_0 "amdgpu/vcn_4_0_0.bin"
#define FIRMWARE_VCN4_0_2 "amdgpu/vcn_4_0_2.bin"
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#define FIRMWARE_VCN4_0_3 "amdgpu/vcn_4_0_3.bin"
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#define FIRMWARE_VCN4_0_4 "amdgpu/vcn_4_0_4.bin"
MODULE_FIRMWARE(FIRMWARE_RAVEN);
MODULE_FIRMWARE(FIRMWARE_PICASSO);
MODULE_FIRMWARE(FIRMWARE_RAVEN2);
MODULE_FIRMWARE(FIRMWARE_ARCTURUS);
MODULE_FIRMWARE(FIRMWARE_RENOIR);
MODULE_FIRMWARE(FIRMWARE_GREEN_SARDINE);
MODULE_FIRMWARE(FIRMWARE_ALDEBARAN);
MODULE_FIRMWARE(FIRMWARE_NAVI10);
MODULE_FIRMWARE(FIRMWARE_NAVI14);
MODULE_FIRMWARE(FIRMWARE_NAVI12);
MODULE_FIRMWARE(FIRMWARE_SIENNA_CICHLID);
MODULE_FIRMWARE(FIRMWARE_NAVY_FLOUNDER);
MODULE_FIRMWARE(FIRMWARE_VANGOGH);
MODULE_FIRMWARE(FIRMWARE_DIMGREY_CAVEFISH);
MODULE_FIRMWARE(FIRMWARE_BEIGE_GOBY);
MODULE_FIRMWARE(FIRMWARE_YELLOW_CARP);
MODULE_FIRMWARE(FIRMWARE_VCN_3_1_2);
MODULE_FIRMWARE(FIRMWARE_VCN4_0_0);
MODULE_FIRMWARE(FIRMWARE_VCN4_0_2);
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MODULE_FIRMWARE(FIRMWARE_VCN4_0_3);
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MODULE_FIRMWARE(FIRMWARE_VCN4_0_4);
static void amdgpu_vcn_idle_work_handler(struct work_struct *work);
int amdgpu_vcn_early_init(struct amdgpu_device *adev)
{
char ucode_prefix[30];
char fw_name[40];
int r;
amdgpu_ucode_ip_version_decode(adev, UVD_HWIP, ucode_prefix, sizeof(ucode_prefix));
snprintf(fw_name, sizeof(fw_name), "amdgpu/%s.bin", ucode_prefix);
r = amdgpu_ucode_request(adev, &adev->vcn.fw, fw_name);
if (r)
amdgpu_ucode_release(&adev->vcn.fw);
return r;
}
int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
{
unsigned long bo_size;
const struct common_firmware_header *hdr;
unsigned char fw_check;
unsigned int fw_shared_size, log_offset;
int i, r;
INIT_DELAYED_WORK(&adev->vcn.idle_work, amdgpu_vcn_idle_work_handler);
mutex_init(&adev->vcn.vcn_pg_lock);
mutex_init(&adev->vcn.vcn1_jpeg1_workaround);
atomic_set(&adev->vcn.total_submission_cnt, 0);
for (i = 0; i < adev->vcn.num_vcn_inst; i++)
atomic_set(&adev->vcn.inst[i].dpg_enc_submission_cnt, 0);
if ((adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) &&
(adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG))
adev->vcn.indirect_sram = true;
/*
* Some Steam Deck's BIOS versions are incompatible with the
* indirect SRAM mode, leading to amdgpu being unable to get
* properly probed (and even potentially crashing the kernel).
* Hence, check for these versions here - notice this is
* restricted to Vangogh (Deck's APU).
*/
if (adev->ip_versions[UVD_HWIP][0] == IP_VERSION(3, 0, 2)) {
const char *bios_ver = dmi_get_system_info(DMI_BIOS_VERSION);
if (bios_ver && (!strncmp("F7A0113", bios_ver, 7) ||
!strncmp("F7A0114", bios_ver, 7))) {
adev->vcn.indirect_sram = false;
dev_info(adev->dev,
"Steam Deck quirk: indirect SRAM disabled on BIOS %s\n", bios_ver);
}
}
hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
adev->vcn.fw_version = le32_to_cpu(hdr->ucode_version);
/* Bit 20-23, it is encode major and non-zero for new naming convention.
* This field is part of version minor and DRM_DISABLED_FLAG in old naming
* convention. Since the l:wq!atest version minor is 0x5B and DRM_DISABLED_FLAG
* is zero in old naming convention, this field is always zero so far.
* These four bits are used to tell which naming convention is present.
*/
fw_check = (le32_to_cpu(hdr->ucode_version) >> 20) & 0xf;
if (fw_check) {
unsigned int dec_ver, enc_major, enc_minor, vep, fw_rev;
fw_rev = le32_to_cpu(hdr->ucode_version) & 0xfff;
enc_minor = (le32_to_cpu(hdr->ucode_version) >> 12) & 0xff;
enc_major = fw_check;
dec_ver = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xf;
vep = (le32_to_cpu(hdr->ucode_version) >> 28) & 0xf;
DRM_INFO("Found VCN firmware Version ENC: %u.%u DEC: %u VEP: %u Revision: %u\n",
enc_major, enc_minor, dec_ver, vep, fw_rev);
} else {
unsigned int version_major, version_minor, family_id;
family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
DRM_INFO("Found VCN firmware Version: %u.%u Family ID: %u\n",
version_major, version_minor, family_id);
}
bo_size = AMDGPU_VCN_STACK_SIZE + AMDGPU_VCN_CONTEXT_SIZE;
if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
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if (adev->ip_versions[UVD_HWIP][0] >= IP_VERSION(4, 0, 0)) {
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fw_shared_size = AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_vcn4_fw_shared));
log_offset = offsetof(struct amdgpu_vcn4_fw_shared, fw_log);
} else {
fw_shared_size = AMDGPU_GPU_PAGE_ALIGN(sizeof(struct amdgpu_fw_shared));
log_offset = offsetof(struct amdgpu_fw_shared, fw_log);
}
bo_size += fw_shared_size;
if (amdgpu_vcnfw_log)
bo_size += AMDGPU_VCNFW_LOG_SIZE;
for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
if (adev->vcn.harvest_config & (1 << i))
continue;
r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_VRAM |
AMDGPU_GEM_DOMAIN_GTT,
&adev->vcn.inst[i].vcpu_bo,
&adev->vcn.inst[i].gpu_addr,
&adev->vcn.inst[i].cpu_addr);
if (r) {
dev_err(adev->dev, "(%d) failed to allocate vcn bo\n", r);
return r;
}
adev->vcn.inst[i].fw_shared.cpu_addr = adev->vcn.inst[i].cpu_addr +
bo_size - fw_shared_size;
adev->vcn.inst[i].fw_shared.gpu_addr = adev->vcn.inst[i].gpu_addr +
bo_size - fw_shared_size;
adev->vcn.inst[i].fw_shared.mem_size = fw_shared_size;
if (amdgpu_vcnfw_log) {
adev->vcn.inst[i].fw_shared.cpu_addr -= AMDGPU_VCNFW_LOG_SIZE;
adev->vcn.inst[i].fw_shared.gpu_addr -= AMDGPU_VCNFW_LOG_SIZE;
adev->vcn.inst[i].fw_shared.log_offset = log_offset;
}
if (adev->vcn.indirect_sram) {
r = amdgpu_bo_create_kernel(adev, 64 * 2 * 4, PAGE_SIZE,
AMDGPU_GEM_DOMAIN_VRAM |
AMDGPU_GEM_DOMAIN_GTT,
&adev->vcn.inst[i].dpg_sram_bo,
&adev->vcn.inst[i].dpg_sram_gpu_addr,
&adev->vcn.inst[i].dpg_sram_cpu_addr);
if (r) {
dev_err(adev->dev, "VCN %d (%d) failed to allocate DPG bo\n", i, r);
return r;
}
}
}
return 0;
}
int amdgpu_vcn_sw_fini(struct amdgpu_device *adev)
{
int i, j;
for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
if (adev->vcn.harvest_config & (1 << j))
continue;
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amdgpu_bo_free_kernel(
&adev->vcn.inst[j].dpg_sram_bo,
&adev->vcn.inst[j].dpg_sram_gpu_addr,
(void **)&adev->vcn.inst[j].dpg_sram_cpu_addr);
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kvfree(adev->vcn.inst[j].saved_bo);
amdgpu_bo_free_kernel(&adev->vcn.inst[j].vcpu_bo,
&adev->vcn.inst[j].gpu_addr,
(void **)&adev->vcn.inst[j].cpu_addr);
amdgpu_ring_fini(&adev->vcn.inst[j].ring_dec);
for (i = 0; i < adev->vcn.num_enc_rings; ++i)
amdgpu_ring_fini(&adev->vcn.inst[j].ring_enc[i]);
}
amdgpu_ucode_release(&adev->vcn.fw);
mutex_destroy(&adev->vcn.vcn1_jpeg1_workaround);
mutex_destroy(&adev->vcn.vcn_pg_lock);
return 0;
}
/* from vcn4 and above, only unified queue is used */
static bool amdgpu_vcn_using_unified_queue(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
bool ret = false;
if (adev->ip_versions[UVD_HWIP][0] >= IP_VERSION(4, 0, 0))
ret = true;
return ret;
}
bool amdgpu_vcn_is_disabled_vcn(struct amdgpu_device *adev, enum vcn_ring_type type, uint32_t vcn_instance)
{
bool ret = false;
int vcn_config = adev->vcn.vcn_config[vcn_instance];
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if ((type == VCN_ENCODE_RING) && (vcn_config & VCN_BLOCK_ENCODE_DISABLE_MASK))
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ret = true;
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else if ((type == VCN_DECODE_RING) && (vcn_config & VCN_BLOCK_DECODE_DISABLE_MASK))
Initial commit
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ret = true;
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else if ((type == VCN_UNIFIED_RING) && (vcn_config & VCN_BLOCK_QUEUE_DISABLE_MASK))
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ret = true;
return ret;
}
int amdgpu_vcn_suspend(struct amdgpu_device *adev)
{
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unsigned int size;
Initial commit
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void *ptr;
int i, idx;
cancel_delayed_work_sync(&adev->vcn.idle_work);
for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
if (adev->vcn.harvest_config & (1 << i))
continue;
if (adev->vcn.inst[i].vcpu_bo == NULL)
return 0;
size = amdgpu_bo_size(adev->vcn.inst[i].vcpu_bo);
ptr = adev->vcn.inst[i].cpu_addr;
adev->vcn.inst[i].saved_bo = kvmalloc(size, GFP_KERNEL);
if (!adev->vcn.inst[i].saved_bo)
return -ENOMEM;
if (drm_dev_enter(adev_to_drm(adev), &idx)) {
memcpy_fromio(adev->vcn.inst[i].saved_bo, ptr, size);
drm_dev_exit(idx);
}
}
return 0;
}
int amdgpu_vcn_resume(struct amdgpu_device *adev)
{
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unsigned int size;
Initial commit
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void *ptr;
int i, idx;
for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
if (adev->vcn.harvest_config & (1 << i))
continue;
if (adev->vcn.inst[i].vcpu_bo == NULL)
return -EINVAL;
size = amdgpu_bo_size(adev->vcn.inst[i].vcpu_bo);
ptr = adev->vcn.inst[i].cpu_addr;
if (adev->vcn.inst[i].saved_bo != NULL) {
if (drm_dev_enter(adev_to_drm(adev), &idx)) {
memcpy_toio(ptr, adev->vcn.inst[i].saved_bo, size);
drm_dev_exit(idx);
}
kvfree(adev->vcn.inst[i].saved_bo);
adev->vcn.inst[i].saved_bo = NULL;
} else {
const struct common_firmware_header *hdr;
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unsigned int offset;
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hdr = (const struct common_firmware_header *)adev->vcn.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->vcn.inst[i].cpu_addr, adev->vcn.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);
}
}
return 0;
}
static void amdgpu_vcn_idle_work_handler(struct work_struct *work)
{
struct amdgpu_device *adev =
container_of(work, struct amdgpu_device, vcn.idle_work.work);
unsigned int fences = 0, fence[AMDGPU_MAX_VCN_INSTANCES] = {0};
unsigned int i, j;
int r = 0;
for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
if (adev->vcn.harvest_config & (1 << j))
continue;
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for (i = 0; i < adev->vcn.num_enc_rings; ++i)
Initial commit
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fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_enc[i]);
if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
struct dpg_pause_state new_state;
if (fence[j] ||
unlikely(atomic_read(&adev->vcn.inst[j].dpg_enc_submission_cnt)))
new_state.fw_based = VCN_DPG_STATE__PAUSE;
else
new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
adev->vcn.pause_dpg_mode(adev, j, &new_state);
}
fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_dec);
fences += fence[j];
}
if (!fences && !atomic_read(&adev->vcn.total_submission_cnt)) {
amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
AMD_PG_STATE_GATE);
r = amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO,
false);
if (r)
dev_warn(adev->dev, "(%d) failed to disable video power profile mode\n", r);
} else {
schedule_delayed_work(&adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
}
}
void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
int r = 0;
atomic_inc(&adev->vcn.total_submission_cnt);
if (!cancel_delayed_work_sync(&adev->vcn.idle_work)) {
r = amdgpu_dpm_switch_power_profile(adev, PP_SMC_POWER_PROFILE_VIDEO,
true);
if (r)
dev_warn(adev->dev, "(%d) failed to switch to video power profile mode\n", r);
}
mutex_lock(&adev->vcn.vcn_pg_lock);
amdgpu_device_ip_set_powergating_state(adev, AMD_IP_BLOCK_TYPE_VCN,
AMD_PG_STATE_UNGATE);
if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG) {
struct dpg_pause_state new_state;
if (ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC) {
atomic_inc(&adev->vcn.inst[ring->me].dpg_enc_submission_cnt);
new_state.fw_based = VCN_DPG_STATE__PAUSE;
} else {
unsigned int fences = 0;
unsigned int i;
for (i = 0; i < adev->vcn.num_enc_rings; ++i)
fences += amdgpu_fence_count_emitted(&adev->vcn.inst[ring->me].ring_enc[i]);
if (fences || atomic_read(&adev->vcn.inst[ring->me].dpg_enc_submission_cnt))
new_state.fw_based = VCN_DPG_STATE__PAUSE;
else
new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
}
adev->vcn.pause_dpg_mode(adev, ring->me, &new_state);
}
mutex_unlock(&adev->vcn.vcn_pg_lock);
}
void amdgpu_vcn_ring_end_use(struct amdgpu_ring *ring)
{
if (ring->adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG &&
ring->funcs->type == AMDGPU_RING_TYPE_VCN_ENC)
atomic_dec(&ring->adev->vcn.inst[ring->me].dpg_enc_submission_cnt);
atomic_dec(&ring->adev->vcn.total_submission_cnt);
schedule_delayed_work(&ring->adev->vcn.idle_work, VCN_IDLE_TIMEOUT);
}
int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
uint32_t tmp = 0;
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unsigned int i;
Initial commit
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int r;
/* VCN in SRIOV does not support direct register read/write */
if (amdgpu_sriov_vf(adev))
return 0;
WREG32(adev->vcn.inst[ring->me].external.scratch9, 0xCAFEDEAD);
r = amdgpu_ring_alloc(ring, 3);
if (r)
return r;
amdgpu_ring_write(ring, PACKET0(adev->vcn.internal.scratch9, 0));
amdgpu_ring_write(ring, 0xDEADBEEF);
amdgpu_ring_commit(ring);
for (i = 0; i < adev->usec_timeout; i++) {
tmp = RREG32(adev->vcn.inst[ring->me].external.scratch9);
if (tmp == 0xDEADBEEF)
break;
udelay(1);
}
if (i >= adev->usec_timeout)
r = -ETIMEDOUT;
return r;
}
int amdgpu_vcn_dec_sw_ring_test_ring(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
uint32_t rptr;
unsigned int i;
int r;
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, VCN_DEC_SW_CMD_END);
amdgpu_ring_commit(ring);
for (i = 0; i < adev->usec_timeout; i++) {
if (amdgpu_ring_get_rptr(ring) != rptr)
break;
udelay(1);
}
if (i >= adev->usec_timeout)
r = -ETIMEDOUT;
return r;
}
static int amdgpu_vcn_dec_send_msg(struct amdgpu_ring *ring,
struct amdgpu_ib *ib_msg,
struct dma_fence **fence)
{
u64 addr = AMDGPU_GPU_PAGE_ALIGN(ib_msg->gpu_addr);
struct amdgpu_device *adev = ring->adev;
struct dma_fence *f = NULL;
struct amdgpu_job *job;
struct amdgpu_ib *ib;
int i, r;
r = amdgpu_job_alloc_with_ib(ring->adev, NULL, NULL,
64, AMDGPU_IB_POOL_DIRECT,
&job);
if (r)
goto err;
ib = &job->ibs[0];
ib->ptr[0] = PACKET0(adev->vcn.internal.data0, 0);
ib->ptr[1] = addr;
ib->ptr[2] = PACKET0(adev->vcn.internal.data1, 0);
ib->ptr[3] = addr >> 32;
ib->ptr[4] = PACKET0(adev->vcn.internal.cmd, 0);
ib->ptr[5] = 0;
for (i = 6; i < 16; i += 2) {
ib->ptr[i] = PACKET0(adev->vcn.internal.nop, 0);
ib->ptr[i+1] = 0;
}
ib->length_dw = 16;
r = amdgpu_job_submit_direct(job, ring, &f);
if (r)
goto err_free;
amdgpu_ib_free(adev, ib_msg, f);
if (fence)
*fence = dma_fence_get(f);
dma_fence_put(f);
return 0;
err_free:
amdgpu_job_free(job);
err:
amdgpu_ib_free(adev, ib_msg, f);
return r;
}
static int amdgpu_vcn_dec_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
struct amdgpu_ib *ib)
{
struct amdgpu_device *adev = ring->adev;
uint32_t *msg;
int r, i;
memset(ib, 0, sizeof(*ib));
r = amdgpu_ib_get(adev, NULL, AMDGPU_GPU_PAGE_SIZE * 2,
AMDGPU_IB_POOL_DIRECT,
ib);
if (r)
return r;
msg = (uint32_t *)AMDGPU_GPU_PAGE_ALIGN((unsigned long)ib->ptr);
msg[0] = cpu_to_le32(0x00000028);
msg[1] = cpu_to_le32(0x00000038);
msg[2] = cpu_to_le32(0x00000001);
msg[3] = cpu_to_le32(0x00000000);
msg[4] = cpu_to_le32(handle);
msg[5] = cpu_to_le32(0x00000000);
msg[6] = cpu_to_le32(0x00000001);
msg[7] = cpu_to_le32(0x00000028);
msg[8] = cpu_to_le32(0x00000010);
msg[9] = cpu_to_le32(0x00000000);
msg[10] = cpu_to_le32(0x00000007);
msg[11] = cpu_to_le32(0x00000000);
msg[12] = cpu_to_le32(0x00000780);
msg[13] = cpu_to_le32(0x00000440);
for (i = 14; i < 1024; ++i)
msg[i] = cpu_to_le32(0x0);
return 0;
}
static int amdgpu_vcn_dec_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
struct amdgpu_ib *ib)
{
struct amdgpu_device *adev = ring->adev;
uint32_t *msg;
int r, i;
memset(ib, 0, sizeof(*ib));
r = amdgpu_ib_get(adev, NULL, AMDGPU_GPU_PAGE_SIZE * 2,
AMDGPU_IB_POOL_DIRECT,
ib);
if (r)
return r;
msg = (uint32_t *)AMDGPU_GPU_PAGE_ALIGN((unsigned long)ib->ptr);
msg[0] = cpu_to_le32(0x00000028);
msg[1] = cpu_to_le32(0x00000018);
msg[2] = cpu_to_le32(0x00000000);
msg[3] = cpu_to_le32(0x00000002);
msg[4] = cpu_to_le32(handle);
msg[5] = cpu_to_le32(0x00000000);
for (i = 6; i < 1024; ++i)
msg[i] = cpu_to_le32(0x0);
return 0;
}
int amdgpu_vcn_dec_ring_test_ib(struct amdgpu_ring *ring, long timeout)
{
struct dma_fence *fence = NULL;
struct amdgpu_ib ib;
long r;
r = amdgpu_vcn_dec_get_create_msg(ring, 1, &ib);
if (r)
goto error;
r = amdgpu_vcn_dec_send_msg(ring, &ib, NULL);
if (r)
goto error;
r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, &ib);
if (r)
goto error;
r = amdgpu_vcn_dec_send_msg(ring, &ib, &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;
}
static uint32_t *amdgpu_vcn_unified_ring_ib_header(struct amdgpu_ib *ib,
uint32_t ib_pack_in_dw, bool enc)
{
uint32_t *ib_checksum;
ib->ptr[ib->length_dw++] = 0x00000010; /* single queue checksum */
ib->ptr[ib->length_dw++] = 0x30000002;
ib_checksum = &ib->ptr[ib->length_dw++];
ib->ptr[ib->length_dw++] = ib_pack_in_dw;
ib->ptr[ib->length_dw++] = 0x00000010; /* engine info */
ib->ptr[ib->length_dw++] = 0x30000001;
ib->ptr[ib->length_dw++] = enc ? 0x2 : 0x3;
ib->ptr[ib->length_dw++] = ib_pack_in_dw * sizeof(uint32_t);
return ib_checksum;
}
static void amdgpu_vcn_unified_ring_ib_checksum(uint32_t **ib_checksum,
uint32_t ib_pack_in_dw)
{
uint32_t i;
uint32_t checksum = 0;
for (i = 0; i < ib_pack_in_dw; i++)
checksum += *(*ib_checksum + 2 + i);
**ib_checksum = checksum;
}
static int amdgpu_vcn_dec_sw_send_msg(struct amdgpu_ring *ring,
struct amdgpu_ib *ib_msg,
struct dma_fence **fence)
{
struct amdgpu_vcn_decode_buffer *decode_buffer = NULL;
unsigned int ib_size_dw = 64;
struct amdgpu_device *adev = ring->adev;
struct dma_fence *f = NULL;
struct amdgpu_job *job;
struct amdgpu_ib *ib;
uint64_t addr = AMDGPU_GPU_PAGE_ALIGN(ib_msg->gpu_addr);
bool sq = amdgpu_vcn_using_unified_queue(ring);
uint32_t *ib_checksum;
uint32_t ib_pack_in_dw;
int i, r;
if (sq)
ib_size_dw += 8;
r = amdgpu_job_alloc_with_ib(ring->adev, NULL, NULL,
ib_size_dw * 4, AMDGPU_IB_POOL_DIRECT,
&job);
if (r)
goto err;
ib = &job->ibs[0];
ib->length_dw = 0;
/* single queue headers */
if (sq) {
ib_pack_in_dw = sizeof(struct amdgpu_vcn_decode_buffer) / sizeof(uint32_t)
+ 4 + 2; /* engine info + decoding ib in dw */
ib_checksum = amdgpu_vcn_unified_ring_ib_header(ib, ib_pack_in_dw, false);
}
ib->ptr[ib->length_dw++] = sizeof(struct amdgpu_vcn_decode_buffer) + 8;
ib->ptr[ib->length_dw++] = cpu_to_le32(AMDGPU_VCN_IB_FLAG_DECODE_BUFFER);
decode_buffer = (struct amdgpu_vcn_decode_buffer *)&(ib->ptr[ib->length_dw]);
ib->length_dw += sizeof(struct amdgpu_vcn_decode_buffer) / 4;
memset(decode_buffer, 0, sizeof(struct amdgpu_vcn_decode_buffer));
decode_buffer->valid_buf_flag |= cpu_to_le32(AMDGPU_VCN_CMD_FLAG_MSG_BUFFER);
decode_buffer->msg_buffer_address_hi = cpu_to_le32(addr >> 32);
decode_buffer->msg_buffer_address_lo = cpu_to_le32(addr);
for (i = ib->length_dw; i < ib_size_dw; ++i)
ib->ptr[i] = 0x0;
if (sq)
amdgpu_vcn_unified_ring_ib_checksum(&ib_checksum, ib_pack_in_dw);
r = amdgpu_job_submit_direct(job, ring, &f);
if (r)
goto err_free;
amdgpu_ib_free(adev, ib_msg, f);
if (fence)
*fence = dma_fence_get(f);
dma_fence_put(f);
return 0;
err_free:
amdgpu_job_free(job);
err:
amdgpu_ib_free(adev, ib_msg, f);
return r;
}
int amdgpu_vcn_dec_sw_ring_test_ib(struct amdgpu_ring *ring, long timeout)
{
struct dma_fence *fence = NULL;
struct amdgpu_ib ib;
long r;
r = amdgpu_vcn_dec_get_create_msg(ring, 1, &ib);
if (r)
goto error;
r = amdgpu_vcn_dec_sw_send_msg(ring, &ib, NULL);
if (r)
goto error;
r = amdgpu_vcn_dec_get_destroy_msg(ring, 1, &ib);
if (r)
goto error;
r = amdgpu_vcn_dec_sw_send_msg(ring, &ib, &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;
}
int amdgpu_vcn_enc_ring_test_ring(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
uint32_t rptr;
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unsigned int i;
Initial commit
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int r;
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, VCN_ENC_CMD_END);
amdgpu_ring_commit(ring);
for (i = 0; i < adev->usec_timeout; i++) {
if (amdgpu_ring_get_rptr(ring) != rptr)
break;
udelay(1);
}
if (i >= adev->usec_timeout)
r = -ETIMEDOUT;
return r;
}
static int amdgpu_vcn_enc_get_create_msg(struct amdgpu_ring *ring, uint32_t handle,
struct amdgpu_ib *ib_msg,
struct dma_fence **fence)
{
unsigned int ib_size_dw = 16;
struct amdgpu_job *job;
struct amdgpu_ib *ib;
struct dma_fence *f = NULL;
uint32_t *ib_checksum = NULL;
uint64_t addr;
bool sq = amdgpu_vcn_using_unified_queue(ring);
int i, r;
if (sq)
ib_size_dw += 8;
r = amdgpu_job_alloc_with_ib(ring->adev, NULL, NULL,
ib_size_dw * 4, AMDGPU_IB_POOL_DIRECT,
&job);
if (r)
return r;
ib = &job->ibs[0];
addr = AMDGPU_GPU_PAGE_ALIGN(ib_msg->gpu_addr);
ib->length_dw = 0;
if (sq)
ib_checksum = amdgpu_vcn_unified_ring_ib_header(ib, 0x11, true);
ib->ptr[ib->length_dw++] = 0x00000018;
ib->ptr[ib->length_dw++] = 0x00000001; /* session info */
ib->ptr[ib->length_dw++] = handle;
ib->ptr[ib->length_dw++] = upper_32_bits(addr);
ib->ptr[ib->length_dw++] = addr;
ib->ptr[ib->length_dw++] = 0x0000000b;
ib->ptr[ib->length_dw++] = 0x00000014;
ib->ptr[ib->length_dw++] = 0x00000002; /* task info */
ib->ptr[ib->length_dw++] = 0x0000001c;
ib->ptr[ib->length_dw++] = 0x00000000;
ib->ptr[ib->length_dw++] = 0x00000000;
ib->ptr[ib->length_dw++] = 0x00000008;
ib->ptr[ib->length_dw++] = 0x08000001; /* op initialize */
for (i = ib->length_dw; i < ib_size_dw; ++i)
ib->ptr[i] = 0x0;
if (sq)
amdgpu_vcn_unified_ring_ib_checksum(&ib_checksum, 0x11);
r = amdgpu_job_submit_direct(job, ring, &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;
}
static int amdgpu_vcn_enc_get_destroy_msg(struct amdgpu_ring *ring, uint32_t handle,
struct amdgpu_ib *ib_msg,
struct dma_fence **fence)
{
unsigned int ib_size_dw = 16;
struct amdgpu_job *job;
struct amdgpu_ib *ib;
struct dma_fence *f = NULL;
uint32_t *ib_checksum = NULL;
uint64_t addr;
bool sq = amdgpu_vcn_using_unified_queue(ring);
int i, r;
if (sq)
ib_size_dw += 8;
r = amdgpu_job_alloc_with_ib(ring->adev, NULL, NULL,
ib_size_dw * 4, AMDGPU_IB_POOL_DIRECT,
&job);
if (r)
return r;
ib = &job->ibs[0];
addr = AMDGPU_GPU_PAGE_ALIGN(ib_msg->gpu_addr);
ib->length_dw = 0;
if (sq)
ib_checksum = amdgpu_vcn_unified_ring_ib_header(ib, 0x11, true);
ib->ptr[ib->length_dw++] = 0x00000018;
ib->ptr[ib->length_dw++] = 0x00000001;
ib->ptr[ib->length_dw++] = handle;
ib->ptr[ib->length_dw++] = upper_32_bits(addr);
ib->ptr[ib->length_dw++] = addr;
ib->ptr[ib->length_dw++] = 0x0000000b;
ib->ptr[ib->length_dw++] = 0x00000014;
ib->ptr[ib->length_dw++] = 0x00000002;
ib->ptr[ib->length_dw++] = 0x0000001c;
ib->ptr[ib->length_dw++] = 0x00000000;
ib->ptr[ib->length_dw++] = 0x00000000;
ib->ptr[ib->length_dw++] = 0x00000008;
ib->ptr[ib->length_dw++] = 0x08000002; /* op close session */
for (i = ib->length_dw; i < ib_size_dw; ++i)
ib->ptr[i] = 0x0;
if (sq)
amdgpu_vcn_unified_ring_ib_checksum(&ib_checksum, 0x11);
r = amdgpu_job_submit_direct(job, ring, &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;
}
int amdgpu_vcn_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
{
struct amdgpu_device *adev = ring->adev;
struct dma_fence *fence = NULL;
struct amdgpu_ib ib;
long r;
memset(&ib, 0, sizeof(ib));
r = amdgpu_ib_get(adev, NULL, (128 << 10) + AMDGPU_GPU_PAGE_SIZE,
AMDGPU_IB_POOL_DIRECT,
&ib);
if (r)
return r;
r = amdgpu_vcn_enc_get_create_msg(ring, 1, &ib, NULL);
if (r)
goto error;
r = amdgpu_vcn_enc_get_destroy_msg(ring, 1, &ib, &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:
amdgpu_ib_free(adev, &ib, fence);
dma_fence_put(fence);
return r;
}
int amdgpu_vcn_unified_ring_test_ib(struct amdgpu_ring *ring, long timeout)
{
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struct amdgpu_device *adev = ring->adev;
Initial commit
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long r;
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if (adev->ip_versions[UVD_HWIP][0] != IP_VERSION(4, 0, 3)) {
r = amdgpu_vcn_enc_ring_test_ib(ring, timeout);
if (r)
goto error;
}
Initial commit
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r = amdgpu_vcn_dec_sw_ring_test_ib(ring, timeout);
error:
return r;
}
enum amdgpu_ring_priority_level amdgpu_vcn_get_enc_ring_prio(int ring)
{
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switch (ring) {
Initial commit
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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;
}
}
void amdgpu_vcn_setup_ucode(struct amdgpu_device *adev)
{
int i;
unsigned int idx;
if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
const struct common_firmware_header *hdr;
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Initial commit
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hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
if (adev->vcn.harvest_config & (1 << i))
continue;
/* currently only support 2 FW instances */
if (i >= 2) {
dev_info(adev->dev, "More then 2 VCN FW instances!\n");
break;
}
idx = AMDGPU_UCODE_ID_VCN + i;
adev->firmware.ucode[idx].ucode_id = idx;
adev->firmware.ucode[idx].fw = adev->vcn.fw;
adev->firmware.fw_size +=
ALIGN(le32_to_cpu(hdr->ucode_size_bytes), PAGE_SIZE);
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if (adev->ip_versions[UVD_HWIP][0] == IP_VERSION(4, 0, 3))
break;
Initial commit
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}
dev_info(adev->dev, "Will use PSP to load VCN firmware\n");
}
}
/*
* debugfs for mapping vcn firmware log buffer.
*/
#if defined(CONFIG_DEBUG_FS)
static ssize_t amdgpu_debugfs_vcn_fwlog_read(struct file *f, char __user *buf,
6.5.5
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size_t size, loff_t *pos)
Initial commit
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{
struct amdgpu_vcn_inst *vcn;
void *log_buf;
volatile struct amdgpu_vcn_fwlog *plog;
unsigned int read_pos, write_pos, available, i, read_bytes = 0;
unsigned int read_num[2] = {0};
vcn = file_inode(f)->i_private;
if (!vcn)
return -ENODEV;
if (!vcn->fw_shared.cpu_addr || !amdgpu_vcnfw_log)
return -EFAULT;
log_buf = vcn->fw_shared.cpu_addr + vcn->fw_shared.mem_size;
plog = (volatile struct amdgpu_vcn_fwlog *)log_buf;
read_pos = plog->rptr;
write_pos = plog->wptr;
if (read_pos > AMDGPU_VCNFW_LOG_SIZE || write_pos > AMDGPU_VCNFW_LOG_SIZE)
return -EFAULT;
if (!size || (read_pos == write_pos))
return 0;
if (write_pos > read_pos) {
available = write_pos - read_pos;
read_num[0] = min(size, (size_t)available);
} else {
read_num[0] = AMDGPU_VCNFW_LOG_SIZE - read_pos;
available = read_num[0] + write_pos - plog->header_size;
if (size > available)
read_num[1] = write_pos - plog->header_size;
else if (size > read_num[0])
read_num[1] = size - read_num[0];
else
read_num[0] = size;
}
for (i = 0; i < 2; i++) {
if (read_num[i]) {
if (read_pos == AMDGPU_VCNFW_LOG_SIZE)
read_pos = plog->header_size;
if (read_num[i] == copy_to_user((buf + read_bytes),
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(log_buf + read_pos), read_num[i]))
Initial commit
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return -EFAULT;
read_bytes += read_num[i];
read_pos += read_num[i];
}
}
plog->rptr = read_pos;
*pos += read_bytes;
return read_bytes;
}
static const struct file_operations amdgpu_debugfs_vcnfwlog_fops = {
.owner = THIS_MODULE,
.read = amdgpu_debugfs_vcn_fwlog_read,
.llseek = default_llseek
};
#endif
void amdgpu_debugfs_vcn_fwlog_init(struct amdgpu_device *adev, uint8_t i,
6.5.5
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struct amdgpu_vcn_inst *vcn)
Initial commit
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{
#if defined(CONFIG_DEBUG_FS)
struct drm_minor *minor = adev_to_drm(adev)->primary;
struct dentry *root = minor->debugfs_root;
char name[32];
sprintf(name, "amdgpu_vcn_%d_fwlog", i);
6.5.5
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debugfs_create_file_size(name, S_IFREG | 0444, root, vcn,
Initial commit
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&amdgpu_debugfs_vcnfwlog_fops,
AMDGPU_VCNFW_LOG_SIZE);
#endif
}
void amdgpu_vcn_fwlog_init(struct amdgpu_vcn_inst *vcn)
{
#if defined(CONFIG_DEBUG_FS)
volatile uint32_t *flag = vcn->fw_shared.cpu_addr;
void *fw_log_cpu_addr = vcn->fw_shared.cpu_addr + vcn->fw_shared.mem_size;
uint64_t fw_log_gpu_addr = vcn->fw_shared.gpu_addr + vcn->fw_shared.mem_size;
volatile struct amdgpu_vcn_fwlog *log_buf = fw_log_cpu_addr;
volatile struct amdgpu_fw_shared_fw_logging *fw_log = vcn->fw_shared.cpu_addr
6.5.5
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+ vcn->fw_shared.log_offset;
Initial commit
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*flag |= cpu_to_le32(AMDGPU_VCN_FW_LOGGING_FLAG);
fw_log->is_enabled = 1;
fw_log->addr_lo = cpu_to_le32(fw_log_gpu_addr & 0xFFFFFFFF);
fw_log->addr_hi = cpu_to_le32(fw_log_gpu_addr >> 32);
fw_log->size = cpu_to_le32(AMDGPU_VCNFW_LOG_SIZE);
log_buf->header_size = sizeof(struct amdgpu_vcn_fwlog);
log_buf->buffer_size = AMDGPU_VCNFW_LOG_SIZE;
log_buf->rptr = log_buf->header_size;
log_buf->wptr = log_buf->header_size;
log_buf->wrapped = 0;
#endif
}
int amdgpu_vcn_process_poison_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
struct ras_common_if *ras_if = adev->vcn.ras_if;
struct ras_dispatch_if ih_data = {
.entry = entry,
};
if (!ras_if)
return 0;
if (!amdgpu_sriov_vf(adev)) {
ih_data.head = *ras_if;
amdgpu_ras_interrupt_dispatch(adev, &ih_data);
} else {
if (adev->virt.ops && adev->virt.ops->ras_poison_handler)
adev->virt.ops->ras_poison_handler(adev);
else
dev_warn(adev->dev,
"No ras_poison_handler interface in SRIOV for VCN!\n");
}
return 0;
}
6.5.5
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int amdgpu_vcn_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *ras_block)
Initial commit
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{
6.5.5
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int r, i;
r = amdgpu_ras_block_late_init(adev, ras_block);
if (r)
return r;
if (amdgpu_ras_is_supported(adev, ras_block->block)) {
for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
if (adev->vcn.harvest_config & (1 << i) ||
!adev->vcn.inst[i].ras_poison_irq.funcs)
continue;
r = amdgpu_irq_get(adev, &adev->vcn.inst[i].ras_poison_irq, 0);
if (r)
goto late_fini;
}
}
return 0;
late_fini:
amdgpu_ras_block_late_fini(adev, ras_block);
return r;
}
int amdgpu_vcn_ras_sw_init(struct amdgpu_device *adev)
{
int err;
struct amdgpu_vcn_ras *ras;
Initial commit
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if (!adev->vcn.ras)
6.5.5
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return 0;
ras = adev->vcn.ras;
err = amdgpu_ras_register_ras_block(adev, &ras->ras_block);
if (err) {
dev_err(adev->dev, "Failed to register vcn ras block!\n");
return err;
}
Initial commit
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6.5.5
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strcpy(ras->ras_block.ras_comm.name, "vcn");
ras->ras_block.ras_comm.block = AMDGPU_RAS_BLOCK__VCN;
ras->ras_block.ras_comm.type = AMDGPU_RAS_ERROR__POISON;
adev->vcn.ras_if = &ras->ras_block.ras_comm;
Initial commit
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6.5.5
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if (!ras->ras_block.ras_late_init)
ras->ras_block.ras_late_init = amdgpu_vcn_ras_late_init;
Initial commit
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6.5.5
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return 0;
Initial commit
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}