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android-kvm / linux / 91f263dda66a2dd4bf0c5d8ad6f48ab9fd5d9eca / . / drivers / gpu / drm / amd / amdgpu / amdgpu_kms.c
blob: a2df3025a754b7cc29376b5ff65c3f9c11b8cdb9 [file] [log] [blame]
/*
* Copyright 2008 Advanced Micro Devices, Inc.
* Copyright 2008 Red Hat Inc.
* Copyright 2009 Jerome Glisse.
*
* 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, sublicense,
* 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 above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
*
* Authors: Dave Airlie
* Alex Deucher
* Jerome Glisse
*/
#include "amdgpu.h"
#include <drm/amdgpu_drm.h>
#include <drm/drm_drv.h>
#include <drm/drm_fb_helper.h>
#include "amdgpu_uvd.h"
#include "amdgpu_vce.h"
#include "atom.h"
#include <linux/vga_switcheroo.h>
#include <linux/slab.h>
#include <linux/uaccess.h>
#include <linux/pci.h>
#include <linux/pm_runtime.h>
#include "amdgpu_amdkfd.h"
#include "amdgpu_gem.h"
#include "amdgpu_display.h"
#include "amdgpu_ras.h"
#include "amd_pcie.h"
void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev)
{
struct amdgpu_gpu_instance *gpu_instance;
int i;
mutex_lock(&mgpu_info.mutex);
for (i = 0; i < mgpu_info.num_gpu; i++) {
gpu_instance = &(mgpu_info.gpu_ins[i]);
if (gpu_instance->adev == adev) {
mgpu_info.gpu_ins[i] =
mgpu_info.gpu_ins[mgpu_info.num_gpu - 1];
mgpu_info.num_gpu--;
if (adev->flags & AMD_IS_APU)
mgpu_info.num_apu--;
else
mgpu_info.num_dgpu--;
break;
}
}
mutex_unlock(&mgpu_info.mutex);
}
/**
* amdgpu_driver_unload_kms - Main unload function for KMS.
*
* @dev: drm dev pointer
*
* This is the main unload function for KMS (all asics).
* Returns 0 on success.
*/
void amdgpu_driver_unload_kms(struct drm_device *dev)
{
struct amdgpu_device *adev = drm_to_adev(dev);
if (adev == NULL)
return;
amdgpu_unregister_gpu_instance(adev);
if (adev->rmmio == NULL)
return;
if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_UNLOAD))
DRM_WARN("smart shift update failed\n");
amdgpu_acpi_fini(adev);
amdgpu_device_fini_hw(adev);
}
void amdgpu_register_gpu_instance(struct amdgpu_device *adev)
{
struct amdgpu_gpu_instance *gpu_instance;
mutex_lock(&mgpu_info.mutex);
if (mgpu_info.num_gpu >= MAX_GPU_INSTANCE) {
DRM_ERROR("Cannot register more gpu instance\n");
mutex_unlock(&mgpu_info.mutex);
return;
}
gpu_instance = &(mgpu_info.gpu_ins[mgpu_info.num_gpu]);
gpu_instance->adev = adev;
gpu_instance->mgpu_fan_enabled = 0;
mgpu_info.num_gpu++;
if (adev->flags & AMD_IS_APU)
mgpu_info.num_apu++;
else
mgpu_info.num_dgpu++;
mutex_unlock(&mgpu_info.mutex);
}
/**
* amdgpu_driver_load_kms - Main load function for KMS.
*
* @adev: pointer to struct amdgpu_device
* @flags: device flags
*
* This is the main load function for KMS (all asics).
* Returns 0 on success, error on failure.
*/
int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags)
{
struct drm_device *dev;
int r, acpi_status;
dev = adev_to_drm(adev);
/* amdgpu_device_init should report only fatal error
* like memory allocation failure or iomapping failure,
* or memory manager initialization failure, it must
* properly initialize the GPU MC controller and permit
* VRAM allocation
*/
r = amdgpu_device_init(adev, flags);
if (r) {
dev_err(dev->dev, "Fatal error during GPU init\n");
goto out;
}
adev->pm.rpm_mode = AMDGPU_RUNPM_NONE;
if (amdgpu_device_supports_px(dev) &&
(amdgpu_runtime_pm != 0)) { /* enable PX as runtime mode */
adev->pm.rpm_mode = AMDGPU_RUNPM_PX;
dev_info(adev->dev, "Using ATPX for runtime pm\n");
} else if (amdgpu_device_supports_boco(dev) &&
(amdgpu_runtime_pm != 0)) { /* enable boco as runtime mode */
adev->pm.rpm_mode = AMDGPU_RUNPM_BOCO;
dev_info(adev->dev, "Using BOCO for runtime pm\n");
} else if (amdgpu_device_supports_baco(dev) &&
(amdgpu_runtime_pm != 0)) {
switch (adev->asic_type) {
case CHIP_VEGA20:
case CHIP_ARCTURUS:
/* enable BACO as runpm mode if runpm=1 */
if (amdgpu_runtime_pm > 0)
adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
break;
case CHIP_VEGA10:
/* enable BACO as runpm mode if noretry=0 */
if (!adev->gmc.noretry)
adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
break;
default:
/* enable BACO as runpm mode on CI+ */
adev->pm.rpm_mode = AMDGPU_RUNPM_BACO;
break;
}
if (adev->pm.rpm_mode == AMDGPU_RUNPM_BACO)
dev_info(adev->dev, "Using BACO for runtime pm\n");
}
/* Call ACPI methods: require modeset init
* but failure is not fatal
*/
acpi_status = amdgpu_acpi_init(adev);
if (acpi_status)
dev_dbg(dev->dev, "Error during ACPI methods call\n");
if (amdgpu_acpi_smart_shift_update(dev, AMDGPU_SS_DRV_LOAD))
DRM_WARN("smart shift update failed\n");
out:
if (r)
amdgpu_driver_unload_kms(dev);
return r;
}
static enum amd_ip_block_type
amdgpu_ip_get_block_type(struct amdgpu_device *adev, uint32_t ip)
{
enum amd_ip_block_type type;
switch (ip) {
case AMDGPU_HW_IP_GFX:
type = AMD_IP_BLOCK_TYPE_GFX;
break;
case AMDGPU_HW_IP_COMPUTE:
type = AMD_IP_BLOCK_TYPE_GFX;
break;
case AMDGPU_HW_IP_DMA:
type = AMD_IP_BLOCK_TYPE_SDMA;
break;
case AMDGPU_HW_IP_UVD:
case AMDGPU_HW_IP_UVD_ENC:
type = AMD_IP_BLOCK_TYPE_UVD;
break;
case AMDGPU_HW_IP_VCE:
type = AMD_IP_BLOCK_TYPE_VCE;
break;
case AMDGPU_HW_IP_VCN_DEC:
case AMDGPU_HW_IP_VCN_ENC:
type = AMD_IP_BLOCK_TYPE_VCN;
break;
case AMDGPU_HW_IP_VCN_JPEG:
type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
break;
default:
type = AMD_IP_BLOCK_TYPE_NUM;
break;
}
return type;
}
static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
struct drm_amdgpu_query_fw *query_fw,
struct amdgpu_device *adev)
{
switch (query_fw->fw_type) {
case AMDGPU_INFO_FW_VCE:
fw_info->ver = adev->vce.fw_version;
fw_info->feature = adev->vce.fb_version;
break;
case AMDGPU_INFO_FW_UVD:
fw_info->ver = adev->uvd.fw_version;
fw_info->feature = 0;
break;
case AMDGPU_INFO_FW_VCN:
fw_info->ver = adev->vcn.fw_version;
fw_info->feature = 0;
break;
case AMDGPU_INFO_FW_GMC:
fw_info->ver = adev->gmc.fw_version;
fw_info->feature = 0;
break;
case AMDGPU_INFO_FW_GFX_ME:
fw_info->ver = adev->gfx.me_fw_version;
fw_info->feature = adev->gfx.me_feature_version;
break;
case AMDGPU_INFO_FW_GFX_PFP:
fw_info->ver = adev->gfx.pfp_fw_version;
fw_info->feature = adev->gfx.pfp_feature_version;
break;
case AMDGPU_INFO_FW_GFX_CE:
fw_info->ver = adev->gfx.ce_fw_version;
fw_info->feature = adev->gfx.ce_feature_version;
break;
case AMDGPU_INFO_FW_GFX_RLC:
fw_info->ver = adev->gfx.rlc_fw_version;
fw_info->feature = adev->gfx.rlc_feature_version;
break;
case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL:
fw_info->ver = adev->gfx.rlc_srlc_fw_version;
fw_info->feature = adev->gfx.rlc_srlc_feature_version;
break;
case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM:
fw_info->ver = adev->gfx.rlc_srlg_fw_version;
fw_info->feature = adev->gfx.rlc_srlg_feature_version;
break;
case AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM:
fw_info->ver = adev->gfx.rlc_srls_fw_version;
fw_info->feature = adev->gfx.rlc_srls_feature_version;
break;
case AMDGPU_INFO_FW_GFX_RLCP:
fw_info->ver = adev->gfx.rlcp_ucode_version;
fw_info->feature = adev->gfx.rlcp_ucode_feature_version;
break;
case AMDGPU_INFO_FW_GFX_RLCV:
fw_info->ver = adev->gfx.rlcv_ucode_version;
fw_info->feature = adev->gfx.rlcv_ucode_feature_version;
break;
case AMDGPU_INFO_FW_GFX_MEC:
if (query_fw->index == 0) {
fw_info->ver = adev->gfx.mec_fw_version;
fw_info->feature = adev->gfx.mec_feature_version;
} else if (query_fw->index == 1) {
fw_info->ver = adev->gfx.mec2_fw_version;
fw_info->feature = adev->gfx.mec2_feature_version;
} else
return -EINVAL;
break;
case AMDGPU_INFO_FW_SMC:
fw_info->ver = adev->pm.fw_version;
fw_info->feature = 0;
break;
case AMDGPU_INFO_FW_TA:
switch (query_fw->index) {
case TA_FW_TYPE_PSP_XGMI:
fw_info->ver = adev->psp.xgmi_context.context.bin_desc.fw_version;
fw_info->feature = adev->psp.xgmi_context.context
.bin_desc.feature_version;
break;
case TA_FW_TYPE_PSP_RAS:
fw_info->ver = adev->psp.ras_context.context.bin_desc.fw_version;
fw_info->feature = adev->psp.ras_context.context
.bin_desc.feature_version;
break;
case TA_FW_TYPE_PSP_HDCP:
fw_info->ver = adev->psp.hdcp_context.context.bin_desc.fw_version;
fw_info->feature = adev->psp.hdcp_context.context
.bin_desc.feature_version;
break;
case TA_FW_TYPE_PSP_DTM:
fw_info->ver = adev->psp.dtm_context.context.bin_desc.fw_version;
fw_info->feature = adev->psp.dtm_context.context
.bin_desc.feature_version;
break;
case TA_FW_TYPE_PSP_RAP:
fw_info->ver = adev->psp.rap_context.context.bin_desc.fw_version;
fw_info->feature = adev->psp.rap_context.context
.bin_desc.feature_version;
break;
case TA_FW_TYPE_PSP_SECUREDISPLAY:
fw_info->ver = adev->psp.securedisplay_context.context.bin_desc.fw_version;
fw_info->feature =
adev->psp.securedisplay_context.context.bin_desc
.feature_version;
break;
default:
return -EINVAL;
}
break;
case AMDGPU_INFO_FW_SDMA:
if (query_fw->index >= adev->sdma.num_instances)
return -EINVAL;
fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
break;
case AMDGPU_INFO_FW_SOS:
fw_info->ver = adev->psp.sos.fw_version;
fw_info->feature = adev->psp.sos.feature_version;
break;
case AMDGPU_INFO_FW_ASD:
fw_info->ver = adev->psp.asd_context.bin_desc.fw_version;
fw_info->feature = adev->psp.asd_context.bin_desc.feature_version;
break;
case AMDGPU_INFO_FW_DMCU:
fw_info->ver = adev->dm.dmcu_fw_version;
fw_info->feature = 0;
break;
case AMDGPU_INFO_FW_DMCUB:
fw_info->ver = adev->dm.dmcub_fw_version;
fw_info->feature = 0;
break;
case AMDGPU_INFO_FW_TOC:
fw_info->ver = adev->psp.toc.fw_version;
fw_info->feature = adev->psp.toc.feature_version;
break;
case AMDGPU_INFO_FW_CAP:
fw_info->ver = adev->psp.cap_fw_version;
fw_info->feature = adev->psp.cap_feature_version;
break;
case AMDGPU_INFO_FW_MES_KIQ:
fw_info->ver = adev->mes.kiq_version & AMDGPU_MES_VERSION_MASK;
fw_info->feature = (adev->mes.kiq_version & AMDGPU_MES_FEAT_VERSION_MASK)
>> AMDGPU_MES_FEAT_VERSION_SHIFT;
break;
case AMDGPU_INFO_FW_MES:
fw_info->ver = adev->mes.sched_version & AMDGPU_MES_VERSION_MASK;
fw_info->feature = (adev->mes.sched_version & AMDGPU_MES_FEAT_VERSION_MASK)
>> AMDGPU_MES_FEAT_VERSION_SHIFT;
break;
case AMDGPU_INFO_FW_IMU:
fw_info->ver = adev->gfx.imu_fw_version;
fw_info->feature = 0;
break;
case AMDGPU_INFO_FW_VPE:
fw_info->ver = adev->vpe.fw_version;
fw_info->feature = adev->vpe.feature_version;
break;
default:
return -EINVAL;
}
return 0;
}
static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
struct drm_amdgpu_info *info,
struct drm_amdgpu_info_hw_ip *result)
{
uint32_t ib_start_alignment = 0;
uint32_t ib_size_alignment = 0;
enum amd_ip_block_type type;
unsigned int num_rings = 0;
unsigned int i, j;
if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
return -EINVAL;
switch (info->query_hw_ip.type) {
case AMDGPU_HW_IP_GFX:
type = AMD_IP_BLOCK_TYPE_GFX;
for (i = 0; i < adev->gfx.num_gfx_rings; i++)
if (adev->gfx.gfx_ring[i].sched.ready)
++num_rings;
ib_start_alignment = 32;
ib_size_alignment = 32;
break;
case AMDGPU_HW_IP_COMPUTE:
type = AMD_IP_BLOCK_TYPE_GFX;
for (i = 0; i < adev->gfx.num_compute_rings; i++)
if (adev->gfx.compute_ring[i].sched.ready)
++num_rings;
ib_start_alignment = 32;
ib_size_alignment = 32;
break;
case AMDGPU_HW_IP_DMA:
type = AMD_IP_BLOCK_TYPE_SDMA;
for (i = 0; i < adev->sdma.num_instances; i++)
if (adev->sdma.instance[i].ring.sched.ready)
++num_rings;
ib_start_alignment = 256;
ib_size_alignment = 4;
break;
case AMDGPU_HW_IP_UVD:
type = AMD_IP_BLOCK_TYPE_UVD;
for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
if (adev->uvd.harvest_config & (1 << i))
continue;
if (adev->uvd.inst[i].ring.sched.ready)
++num_rings;
}
ib_start_alignment = 256;
ib_size_alignment = 64;
break;
case AMDGPU_HW_IP_VCE:
type = AMD_IP_BLOCK_TYPE_VCE;
for (i = 0; i < adev->vce.num_rings; i++)
if (adev->vce.ring[i].sched.ready)
++num_rings;
ib_start_alignment = 256;
ib_size_alignment = 4;
break;
case AMDGPU_HW_IP_UVD_ENC:
type = AMD_IP_BLOCK_TYPE_UVD;
for (i = 0; i < adev->uvd.num_uvd_inst; i++) {
if (adev->uvd.harvest_config & (1 << i))
continue;
for (j = 0; j < adev->uvd.num_enc_rings; j++)
if (adev->uvd.inst[i].ring_enc[j].sched.ready)
++num_rings;
}
ib_start_alignment = 256;
ib_size_alignment = 4;
break;
case AMDGPU_HW_IP_VCN_DEC:
type = AMD_IP_BLOCK_TYPE_VCN;
for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
if (adev->vcn.harvest_config & (1 << i))
continue;
if (adev->vcn.inst[i].ring_dec.sched.ready)
++num_rings;
}
ib_start_alignment = 256;
ib_size_alignment = 64;
break;
case AMDGPU_HW_IP_VCN_ENC:
type = AMD_IP_BLOCK_TYPE_VCN;
for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
if (adev->vcn.harvest_config & (1 << i))
continue;
for (j = 0; j < adev->vcn.num_enc_rings; j++)
if (adev->vcn.inst[i].ring_enc[j].sched.ready)
++num_rings;
}
ib_start_alignment = 256;
ib_size_alignment = 4;
break;
case AMDGPU_HW_IP_VCN_JPEG:
type = (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_JPEG)) ?
AMD_IP_BLOCK_TYPE_JPEG : AMD_IP_BLOCK_TYPE_VCN;
for (i = 0; i < adev->jpeg.num_jpeg_inst; i++) {
if (adev->jpeg.harvest_config & (1 << i))
continue;
for (j = 0; j < adev->jpeg.num_jpeg_rings; j++)
if (adev->jpeg.inst[i].ring_dec[j].sched.ready)
++num_rings;
}
ib_start_alignment = 256;
ib_size_alignment = 64;
break;
case AMDGPU_HW_IP_VPE:
type = AMD_IP_BLOCK_TYPE_VPE;
if (adev->vpe.ring.sched.ready)
++num_rings;
ib_start_alignment = 256;
ib_size_alignment = 4;
break;
default:
return -EINVAL;
}
for (i = 0; i < adev->num_ip_blocks; i++)
if (adev->ip_blocks[i].version->type == type &&
adev->ip_blocks[i].status.valid)
break;
if (i == adev->num_ip_blocks)
return 0;
num_rings = min(amdgpu_ctx_num_entities[info->query_hw_ip.type],
num_rings);
result->hw_ip_version_major = adev->ip_blocks[i].version->major;
result->hw_ip_version_minor = adev->ip_blocks[i].version->minor;
if (adev->asic_type >= CHIP_VEGA10) {
switch (type) {
case AMD_IP_BLOCK_TYPE_GFX:
result->ip_discovery_version =
IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, GC_HWIP, 0));
break;
case AMD_IP_BLOCK_TYPE_SDMA:
result->ip_discovery_version =
IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, SDMA0_HWIP, 0));
break;
case AMD_IP_BLOCK_TYPE_UVD:
case AMD_IP_BLOCK_TYPE_VCN:
case AMD_IP_BLOCK_TYPE_JPEG:
result->ip_discovery_version =
IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, UVD_HWIP, 0));
break;
case AMD_IP_BLOCK_TYPE_VCE:
result->ip_discovery_version =
IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, VCE_HWIP, 0));
break;
case AMD_IP_BLOCK_TYPE_VPE:
result->ip_discovery_version =
IP_VERSION_MAJ_MIN_REV(amdgpu_ip_version(adev, VPE_HWIP, 0));
break;
default:
result->ip_discovery_version = 0;
break;
}
} else {
result->ip_discovery_version = 0;
}
result->capabilities_flags = 0;
result->available_rings = (1 << num_rings) - 1;
result->ib_start_alignment = ib_start_alignment;
result->ib_size_alignment = ib_size_alignment;
return 0;
}
/*
* Userspace get information ioctl
*/
/**
* amdgpu_info_ioctl - answer a device specific request.
*
* @dev: drm device pointer
* @data: request object
* @filp: drm filp
*
* This function is used to pass device specific parameters to the userspace
* drivers. Examples include: pci device id, pipeline parms, tiling params,
* etc. (all asics).
* Returns 0 on success, -EINVAL on failure.
*/
int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
{
struct amdgpu_device *adev = drm_to_adev(dev);
struct drm_amdgpu_info *info = data;
struct amdgpu_mode_info *minfo = &adev->mode_info;
void __user *out = (void __user *)(uintptr_t)info->return_pointer;
struct amdgpu_fpriv *fpriv;
struct amdgpu_ip_block *ip_block;
enum amd_ip_block_type type;
struct amdgpu_xcp *xcp;
u32 count, inst_mask;
uint32_t size = info->return_size;
struct drm_crtc *crtc;
uint32_t ui32 = 0;
uint64_t ui64 = 0;
int i, found, ret;
int ui32_size = sizeof(ui32);
if (!info->return_size || !info->return_pointer)
return -EINVAL;
switch (info->query) {
case AMDGPU_INFO_ACCEL_WORKING:
ui32 = adev->accel_working;
return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
case AMDGPU_INFO_CRTC_FROM_ID:
for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
crtc = (struct drm_crtc *)minfo->crtcs[i];
if (crtc && crtc->base.id == info->mode_crtc.id) {
struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
ui32 = amdgpu_crtc->crtc_id;
found = 1;
break;
}
}
if (!found) {
DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
return -EINVAL;
}
return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
case AMDGPU_INFO_HW_IP_INFO: {
struct drm_amdgpu_info_hw_ip ip = {};
ret = amdgpu_hw_ip_info(adev, info, &ip);
if (ret)
return ret;
ret = copy_to_user(out, &ip, min_t(size_t, size, sizeof(ip)));
return ret ? -EFAULT : 0;
}
case AMDGPU_INFO_HW_IP_COUNT: {
fpriv = (struct amdgpu_fpriv *)filp->driver_priv;
type = amdgpu_ip_get_block_type(adev, info->query_hw_ip.type);
ip_block = amdgpu_device_ip_get_ip_block(adev, type);
if (!ip_block || !ip_block->status.valid)
return -EINVAL;
if (adev->xcp_mgr && adev->xcp_mgr->num_xcps > 0 &&
fpriv->xcp_id >= 0 && fpriv->xcp_id < adev->xcp_mgr->num_xcps) {
xcp = &adev->xcp_mgr->xcp[fpriv->xcp_id];
switch (type) {
case AMD_IP_BLOCK_TYPE_GFX:
ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_GFX, &inst_mask);
count = hweight32(inst_mask);
break;
case AMD_IP_BLOCK_TYPE_SDMA:
ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_SDMA, &inst_mask);
count = hweight32(inst_mask);
break;
case AMD_IP_BLOCK_TYPE_JPEG:
ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_VCN, &inst_mask);
count = hweight32(inst_mask) * adev->jpeg.num_jpeg_rings;
break;
case AMD_IP_BLOCK_TYPE_VCN:
ret = amdgpu_xcp_get_inst_details(xcp, AMDGPU_XCP_VCN, &inst_mask);
count = hweight32(inst_mask);
break;
default:
return -EINVAL;
}
if (ret)
return ret;
return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
}
switch (type) {
case AMD_IP_BLOCK_TYPE_GFX:
case AMD_IP_BLOCK_TYPE_VCE:
count = 1;
break;
case AMD_IP_BLOCK_TYPE_SDMA:
count = adev->sdma.num_instances;
break;
case AMD_IP_BLOCK_TYPE_JPEG:
count = adev->jpeg.num_jpeg_inst * adev->jpeg.num_jpeg_rings;
break;
case AMD_IP_BLOCK_TYPE_VCN:
count = adev->vcn.num_vcn_inst;
break;
case AMD_IP_BLOCK_TYPE_UVD:
count = adev->uvd.num_uvd_inst;
break;
/* For all other IP block types not listed in the switch statement
* the ip status is valid here and the instance count is one.
*/
default:
count = 1;
break;
}
return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
}
case AMDGPU_INFO_TIMESTAMP:
ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_FW_VERSION: {
struct drm_amdgpu_info_firmware fw_info;
/* We only support one instance of each IP block right now. */
if (info->query_fw.ip_instance != 0)
return -EINVAL;
ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
if (ret)
return ret;
return copy_to_user(out, &fw_info,
min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
}
case AMDGPU_INFO_NUM_BYTES_MOVED:
ui64 = atomic64_read(&adev->num_bytes_moved);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_NUM_EVICTIONS:
ui64 = atomic64_read(&adev->num_evictions);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_NUM_VRAM_CPU_PAGE_FAULTS:
ui64 = atomic64_read(&adev->num_vram_cpu_page_faults);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_VRAM_USAGE:
ui64 = ttm_resource_manager_usage(&adev->mman.vram_mgr.manager);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_VIS_VRAM_USAGE:
ui64 = amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_GTT_USAGE:
ui64 = ttm_resource_manager_usage(&adev->mman.gtt_mgr.manager);
return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
case AMDGPU_INFO_GDS_CONFIG: {
struct drm_amdgpu_info_gds gds_info;
memset(&gds_info, 0, sizeof(gds_info));
gds_info.compute_partition_size = adev->gds.gds_size;
gds_info.gds_total_size = adev->gds.gds_size;
gds_info.gws_per_compute_partition = adev->gds.gws_size;
gds_info.oa_per_compute_partition = adev->gds.oa_size;
return copy_to_user(out, &gds_info,
min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
}
case AMDGPU_INFO_VRAM_GTT: {
struct drm_amdgpu_info_vram_gtt vram_gtt;
vram_gtt.vram_size = adev->gmc.real_vram_size -
atomic64_read(&adev->vram_pin_size) -
AMDGPU_VM_RESERVED_VRAM;
vram_gtt.vram_cpu_accessible_size =
min(adev->gmc.visible_vram_size -
atomic64_read(&adev->visible_pin_size),
vram_gtt.vram_size);
vram_gtt.gtt_size = ttm_manager_type(&adev->mman.bdev, TTM_PL_TT)->size;
vram_gtt.gtt_size -= atomic64_read(&adev->gart_pin_size);
return copy_to_user(out, &vram_gtt,
min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
}
case AMDGPU_INFO_MEMORY: {
struct drm_amdgpu_memory_info mem;
struct ttm_resource_manager *gtt_man =
&adev->mman.gtt_mgr.manager;
struct ttm_resource_manager *vram_man =
&adev->mman.vram_mgr.manager;
memset(&mem, 0, sizeof(mem));
mem.vram.total_heap_size = adev->gmc.real_vram_size;
mem.vram.usable_heap_size = adev->gmc.real_vram_size -
atomic64_read(&adev->vram_pin_size) -
AMDGPU_VM_RESERVED_VRAM;
mem.vram.heap_usage =
ttm_resource_manager_usage(vram_man);
mem.vram.max_allocation = mem.vram.usable_heap_size * 3 / 4;
mem.cpu_accessible_vram.total_heap_size =
adev->gmc.visible_vram_size;
mem.cpu_accessible_vram.usable_heap_size =
min(adev->gmc.visible_vram_size -
atomic64_read(&adev->visible_pin_size),
mem.vram.usable_heap_size);
mem.cpu_accessible_vram.heap_usage =
amdgpu_vram_mgr_vis_usage(&adev->mman.vram_mgr);
mem.cpu_accessible_vram.max_allocation =
mem.cpu_accessible_vram.usable_heap_size * 3 / 4;
mem.gtt.total_heap_size = gtt_man->size;
mem.gtt.usable_heap_size = mem.gtt.total_heap_size -
atomic64_read(&adev->gart_pin_size);
mem.gtt.heap_usage = ttm_resource_manager_usage(gtt_man);
mem.gtt.max_allocation = mem.gtt.usable_heap_size * 3 / 4;
return copy_to_user(out, &mem,
min((size_t)size, sizeof(mem)))
? -EFAULT : 0;
}
case AMDGPU_INFO_READ_MMR_REG: {
unsigned int n, alloc_size;
uint32_t *regs;
unsigned int se_num = (info->read_mmr_reg.instance >>
AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
AMDGPU_INFO_MMR_SE_INDEX_MASK;
unsigned int sh_num = (info->read_mmr_reg.instance >>
AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
AMDGPU_INFO_MMR_SH_INDEX_MASK;
/* set full masks if the userspace set all bits
* in the bitfields
*/
if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
se_num = 0xffffffff;
else if (se_num >= AMDGPU_GFX_MAX_SE)
return -EINVAL;
if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
sh_num = 0xffffffff;
else if (sh_num >= AMDGPU_GFX_MAX_SH_PER_SE)
return -EINVAL;
if (info->read_mmr_reg.count > 128)
return -EINVAL;
regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
if (!regs)
return -ENOMEM;
alloc_size = info->read_mmr_reg.count * sizeof(*regs);
amdgpu_gfx_off_ctrl(adev, false);
for (i = 0; i < info->read_mmr_reg.count; i++) {
if (amdgpu_asic_read_register(adev, se_num, sh_num,
info->read_mmr_reg.dword_offset + i,
&regs[i])) {
DRM_DEBUG_KMS("unallowed offset %#x\n",
info->read_mmr_reg.dword_offset + i);
kfree(regs);
amdgpu_gfx_off_ctrl(adev, true);
return -EFAULT;
}
}
amdgpu_gfx_off_ctrl(adev, true);
n = copy_to_user(out, regs, min(size, alloc_size));
kfree(regs);
return n ? -EFAULT : 0;
}
case AMDGPU_INFO_DEV_INFO: {
struct drm_amdgpu_info_device *dev_info;
uint64_t vm_size;
uint32_t pcie_gen_mask;
dev_info = kzalloc(sizeof(*dev_info), GFP_KERNEL);
if (!dev_info)
return -ENOMEM;
dev_info->device_id = adev->pdev->device;
dev_info->chip_rev = adev->rev_id;
dev_info->external_rev = adev->external_rev_id;
dev_info->pci_rev = adev->pdev->revision;
dev_info->family = adev->family;
dev_info->num_shader_engines = adev->gfx.config.max_shader_engines;
dev_info->num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
/* return all clocks in KHz */
dev_info->gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
if (adev->pm.dpm_enabled) {
dev_info->max_engine_clock = amdgpu_dpm_get_sclk(adev, false) * 10;
dev_info->max_memory_clock = amdgpu_dpm_get_mclk(adev, false) * 10;
dev_info->min_engine_clock = amdgpu_dpm_get_sclk(adev, true) * 10;
dev_info->min_memory_clock = amdgpu_dpm_get_mclk(adev, true) * 10;
} else {
dev_info->max_engine_clock =
dev_info->min_engine_clock =
adev->clock.default_sclk * 10;
dev_info->max_memory_clock =
dev_info->min_memory_clock =
adev->clock.default_mclk * 10;
}
dev_info->enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
dev_info->num_rb_pipes = adev->gfx.config.max_backends_per_se *
adev->gfx.config.max_shader_engines;
dev_info->num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
dev_info->ids_flags = 0;
if (adev->flags & AMD_IS_APU)
dev_info->ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
if (adev->gfx.mcbp)
dev_info->ids_flags |= AMDGPU_IDS_FLAGS_PREEMPTION;
if (amdgpu_is_tmz(adev))
dev_info->ids_flags |= AMDGPU_IDS_FLAGS_TMZ;
if (adev->gfx.config.ta_cntl2_truncate_coord_mode)
dev_info->ids_flags |= AMDGPU_IDS_FLAGS_CONFORMANT_TRUNC_COORD;
vm_size = adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
vm_size -= AMDGPU_VA_RESERVED_TOP;
/* Older VCE FW versions are buggy and can handle only 40bits */
if (adev->vce.fw_version &&
adev->vce.fw_version < AMDGPU_VCE_FW_53_45)
vm_size = min(vm_size, 1ULL << 40);
dev_info->virtual_address_offset = AMDGPU_VA_RESERVED_BOTTOM;
dev_info->virtual_address_max =
min(vm_size, AMDGPU_GMC_HOLE_START);
if (vm_size > AMDGPU_GMC_HOLE_START) {
dev_info->high_va_offset = AMDGPU_GMC_HOLE_END;
dev_info->high_va_max = AMDGPU_GMC_HOLE_END | vm_size;
}
dev_info->virtual_address_alignment = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
dev_info->pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
dev_info->gart_page_size = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
dev_info->cu_active_number = adev->gfx.cu_info.number;
dev_info->cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
dev_info->ce_ram_size = adev->gfx.ce_ram_size;
memcpy(&dev_info->cu_ao_bitmap[0], &adev->gfx.cu_info.ao_cu_bitmap[0],
sizeof(adev->gfx.cu_info.ao_cu_bitmap));
memcpy(&dev_info->cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
sizeof(dev_info->cu_bitmap));
dev_info->vram_type = adev->gmc.vram_type;
dev_info->vram_bit_width = adev->gmc.vram_width;
dev_info->vce_harvest_config = adev->vce.harvest_config;
dev_info->gc_double_offchip_lds_buf =
adev->gfx.config.double_offchip_lds_buf;
dev_info->wave_front_size = adev->gfx.cu_info.wave_front_size;
dev_info->num_shader_visible_vgprs = adev->gfx.config.max_gprs;
dev_info->num_cu_per_sh = adev->gfx.config.max_cu_per_sh;
dev_info->num_tcc_blocks = adev->gfx.config.max_texture_channel_caches;
dev_info->gs_vgt_table_depth = adev->gfx.config.gs_vgt_table_depth;
dev_info->gs_prim_buffer_depth = adev->gfx.config.gs_prim_buffer_depth;
dev_info->max_gs_waves_per_vgt = adev->gfx.config.max_gs_threads;
if (adev->family >= AMDGPU_FAMILY_NV)
dev_info->pa_sc_tile_steering_override =
adev->gfx.config.pa_sc_tile_steering_override;
dev_info->tcc_disabled_mask = adev->gfx.config.tcc_disabled_mask;
/* Combine the chip gen mask with the platform (CPU/mobo) mask. */
pcie_gen_mask = adev->pm.pcie_gen_mask & (adev->pm.pcie_gen_mask >> 16);
dev_info->pcie_gen = fls(pcie_gen_mask);
dev_info->pcie_num_lanes =
adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X32 ? 32 :
adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X16 ? 16 :
adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X12 ? 12 :
adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X8 ? 8 :
adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X4 ? 4 :
adev->pm.pcie_mlw_mask & CAIL_PCIE_LINK_WIDTH_SUPPORT_X2 ? 2 : 1;
dev_info->tcp_cache_size = adev->gfx.config.gc_tcp_l1_size;
dev_info->num_sqc_per_wgp = adev->gfx.config.gc_num_sqc_per_wgp;
dev_info->sqc_data_cache_size = adev->gfx.config.gc_l1_data_cache_size_per_sqc;
dev_info->sqc_inst_cache_size = adev->gfx.config.gc_l1_instruction_cache_size_per_sqc;
dev_info->gl1c_cache_size = adev->gfx.config.gc_gl1c_size_per_instance *
adev->gfx.config.gc_gl1c_per_sa;
dev_info->gl2c_cache_size = adev->gfx.config.gc_gl2c_per_gpu;
dev_info->mall_size = adev->gmc.mall_size;
if (adev->gfx.funcs->get_gfx_shadow_info) {
struct amdgpu_gfx_shadow_info shadow_info;
ret = amdgpu_gfx_get_gfx_shadow_info(adev, &shadow_info);
if (!ret) {
dev_info->shadow_size = shadow_info.shadow_size;
dev_info->shadow_alignment = shadow_info.shadow_alignment;
dev_info->csa_size = shadow_info.csa_size;
dev_info->csa_alignment = shadow_info.csa_alignment;
}
}
ret = copy_to_user(out, dev_info,
min((size_t)size, sizeof(*dev_info))) ? -EFAULT : 0;
kfree(dev_info);
return ret;
}
case AMDGPU_INFO_VCE_CLOCK_TABLE: {
unsigned int i;
struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
struct amd_vce_state *vce_state;
for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
vce_state = amdgpu_dpm_get_vce_clock_state(adev, i);
if (vce_state) {
vce_clk_table.entries[i].sclk = vce_state->sclk;
vce_clk_table.entries[i].mclk = vce_state->mclk;
vce_clk_table.entries[i].eclk = vce_state->evclk;
vce_clk_table.num_valid_entries++;
}
}
return copy_to_user(out, &vce_clk_table,
min((size_t)size, sizeof(vce_clk_table))) ? -EFAULT : 0;
}
case AMDGPU_INFO_VBIOS: {
uint32_t bios_size = adev->bios_size;
switch (info->vbios_info.type) {
case AMDGPU_INFO_VBIOS_SIZE:
return copy_to_user(out, &bios_size,
min((size_t)size, sizeof(bios_size)))
? -EFAULT : 0;
case AMDGPU_INFO_VBIOS_IMAGE: {
uint8_t *bios;
uint32_t bios_offset = info->vbios_info.offset;
if (bios_offset >= bios_size)
return -EINVAL;
bios = adev->bios + bios_offset;
return copy_to_user(out, bios,
min((size_t)size, (size_t)(bios_size - bios_offset)))
? -EFAULT : 0;
}
case AMDGPU_INFO_VBIOS_INFO: {
struct drm_amdgpu_info_vbios vbios_info = {};
struct atom_context *atom_context;
atom_context = adev->mode_info.atom_context;
if (atom_context) {
memcpy(vbios_info.name, atom_context->name,
sizeof(atom_context->name));
memcpy(vbios_info.vbios_pn, atom_context->vbios_pn,
sizeof(atom_context->vbios_pn));
vbios_info.version = atom_context->version;
memcpy(vbios_info.vbios_ver_str, atom_context->vbios_ver_str,
sizeof(atom_context->vbios_ver_str));
memcpy(vbios_info.date, atom_context->date,
sizeof(atom_context->date));
}
return copy_to_user(out, &vbios_info,
min((size_t)size, sizeof(vbios_info))) ? -EFAULT : 0;
}
default:
DRM_DEBUG_KMS("Invalid request %d\n",
info->vbios_info.type);
return -EINVAL;
}
}
case AMDGPU_INFO_NUM_HANDLES: {
struct drm_amdgpu_info_num_handles handle;
switch (info->query_hw_ip.type) {
case AMDGPU_HW_IP_UVD:
/* Starting Polaris, we support unlimited UVD handles */
if (adev->asic_type < CHIP_POLARIS10) {
handle.uvd_max_handles = adev->uvd.max_handles;
handle.uvd_used_handles = amdgpu_uvd_used_handles(adev);
return copy_to_user(out, &handle,
min((size_t)size, sizeof(handle))) ? -EFAULT : 0;
} else {
return -ENODATA;
}
break;
default:
return -EINVAL;
}
}
case AMDGPU_INFO_SENSOR: {
if (!adev->pm.dpm_enabled)
return -ENOENT;
switch (info->sensor_info.type) {
case AMDGPU_INFO_SENSOR_GFX_SCLK:
/* get sclk in Mhz */
if (amdgpu_dpm_read_sensor(adev,
AMDGPU_PP_SENSOR_GFX_SCLK,
(void *)&ui32, &ui32_size)) {
return -EINVAL;
}
ui32 /= 100;
break;
case AMDGPU_INFO_SENSOR_GFX_MCLK:
/* get mclk in Mhz */
if (amdgpu_dpm_read_sensor(adev,
AMDGPU_PP_SENSOR_GFX_MCLK,
(void *)&ui32, &ui32_size)) {
return -EINVAL;
}
ui32 /= 100;
break;
case AMDGPU_INFO_SENSOR_GPU_TEMP:
/* get temperature in millidegrees C */
if (amdgpu_dpm_read_sensor(adev,
AMDGPU_PP_SENSOR_GPU_TEMP,
(void *)&ui32, &ui32_size)) {
return -EINVAL;
}
break;
case AMDGPU_INFO_SENSOR_GPU_LOAD:
/* get GPU load */
if (amdgpu_dpm_read_sensor(adev,
AMDGPU_PP_SENSOR_GPU_LOAD,
(void *)&ui32, &ui32_size)) {
return -EINVAL;
}
break;
case AMDGPU_INFO_SENSOR_GPU_AVG_POWER:
/* get average GPU power */
if (amdgpu_dpm_read_sensor(adev,
AMDGPU_PP_SENSOR_GPU_AVG_POWER,
(void *)&ui32, &ui32_size)) {
/* fall back to input power for backwards compat */
if (amdgpu_dpm_read_sensor(adev,
AMDGPU_PP_SENSOR_GPU_INPUT_POWER,
(void *)&ui32, &ui32_size)) {
return -EINVAL;
}
}
ui32 >>= 8;
break;
case AMDGPU_INFO_SENSOR_GPU_INPUT_POWER:
/* get input GPU power */
if (amdgpu_dpm_read_sensor(adev,
AMDGPU_PP_SENSOR_GPU_INPUT_POWER,
(void *)&ui32, &ui32_size)) {
return -EINVAL;
}
ui32 >>= 8;
break;
case AMDGPU_INFO_SENSOR_VDDNB:
/* get VDDNB in millivolts */
if (amdgpu_dpm_read_sensor(adev,
AMDGPU_PP_SENSOR_VDDNB,
(void *)&ui32, &ui32_size)) {
return -EINVAL;
}
break;
case AMDGPU_INFO_SENSOR_VDDGFX:
/* get VDDGFX in millivolts */
if (amdgpu_dpm_read_sensor(adev,
AMDGPU_PP_SENSOR_VDDGFX,
(void *)&ui32, &ui32_size)) {
return -EINVAL;
}
break;
case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_SCLK:
/* get stable pstate sclk in Mhz */
if (amdgpu_dpm_read_sensor(adev,
AMDGPU_PP_SENSOR_STABLE_PSTATE_SCLK,
(void *)&ui32, &ui32_size)) {
return -EINVAL;
}
ui32 /= 100;
break;
case AMDGPU_INFO_SENSOR_STABLE_PSTATE_GFX_MCLK:
/* get stable pstate mclk in Mhz */
if (amdgpu_dpm_read_sensor(adev,
AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK,
(void *)&ui32, &ui32_size)) {
return -EINVAL;
}
ui32 /= 100;
break;
case AMDGPU_INFO_SENSOR_PEAK_PSTATE_GFX_SCLK:
/* get peak pstate sclk in Mhz */
if (amdgpu_dpm_read_sensor(adev,
AMDGPU_PP_SENSOR_PEAK_PSTATE_SCLK,
(void *)&ui32, &ui32_size)) {
return -EINVAL;
}
ui32 /= 100;
break;
case AMDGPU_INFO_SENSOR_PEAK_PSTATE_GFX_MCLK:
/* get peak pstate mclk in Mhz */
if (amdgpu_dpm_read_sensor(adev,
AMDGPU_PP_SENSOR_PEAK_PSTATE_MCLK,
(void *)&ui32, &ui32_size)) {
return -EINVAL;
}
ui32 /= 100;
break;
default:
DRM_DEBUG_KMS("Invalid request %d\n",
info->sensor_info.type);
return -EINVAL;
}
return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
}
case AMDGPU_INFO_VRAM_LOST_COUNTER:
ui32 = atomic_read(&adev->vram_lost_counter);
return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
case AMDGPU_INFO_RAS_ENABLED_FEATURES: {
struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
uint64_t ras_mask;
if (!ras)
return -EINVAL;
ras_mask = (uint64_t)adev->ras_enabled << 32 | ras->features;
return copy_to_user(out, &ras_mask,
min_t(u64, size, sizeof(ras_mask))) ?
-EFAULT : 0;
}
case AMDGPU_INFO_VIDEO_CAPS: {
const struct amdgpu_video_codecs *codecs;
struct drm_amdgpu_info_video_caps *caps;
int r;
if (!adev->asic_funcs->query_video_codecs)
return -EINVAL;
switch (info->video_cap.type) {
case AMDGPU_INFO_VIDEO_CAPS_DECODE:
r = amdgpu_asic_query_video_codecs(adev, false, &codecs);
if (r)
return -EINVAL;
break;
case AMDGPU_INFO_VIDEO_CAPS_ENCODE:
r = amdgpu_asic_query_video_codecs(adev, true, &codecs);
if (r)
return -EINVAL;
break;
default:
DRM_DEBUG_KMS("Invalid request %d\n",
info->video_cap.type);
return -EINVAL;
}
caps = kzalloc(sizeof(*caps), GFP_KERNEL);
if (!caps)
return -ENOMEM;
for (i = 0; i < codecs->codec_count; i++) {
int idx = codecs->codec_array[i].codec_type;
switch (idx) {
case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG2:
case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4:
case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VC1:
case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_MPEG4_AVC:
case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_HEVC:
case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_JPEG:
case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_VP9:
case AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_AV1:
caps->codec_info[idx].valid = 1;
caps->codec_info[idx].max_width =
codecs->codec_array[i].max_width;
caps->codec_info[idx].max_height =
codecs->codec_array[i].max_height;
caps->codec_info[idx].max_pixels_per_frame =
codecs->codec_array[i].max_pixels_per_frame;
caps->codec_info[idx].max_level =
codecs->codec_array[i].max_level;
break;
default:
break;
}
}
r = copy_to_user(out, caps,
min((size_t)size, sizeof(*caps))) ? -EFAULT : 0;
kfree(caps);
return r;
}
case AMDGPU_INFO_MAX_IBS: {
uint32_t max_ibs[AMDGPU_HW_IP_NUM];
for (i = 0; i < AMDGPU_HW_IP_NUM; ++i)
max_ibs[i] = amdgpu_ring_max_ibs(i);
return copy_to_user(out, max_ibs,
min((size_t)size, sizeof(max_ibs))) ? -EFAULT : 0;
}
case AMDGPU_INFO_GPUVM_FAULT: {
struct amdgpu_fpriv *fpriv = filp->driver_priv;
struct amdgpu_vm *vm = &fpriv->vm;
struct drm_amdgpu_info_gpuvm_fault gpuvm_fault;
unsigned long flags;
if (!vm)
return -EINVAL;
memset(&gpuvm_fault, 0, sizeof(gpuvm_fault));
xa_lock_irqsave(&adev->vm_manager.pasids, flags);
gpuvm_fault.addr = vm->fault_info.addr;
gpuvm_fault.status = vm->fault_info.status;
gpuvm_fault.vmhub = vm->fault_info.vmhub;
xa_unlock_irqrestore(&adev->vm_manager.pasids, flags);
return copy_to_user(out, &gpuvm_fault,
min((size_t)size, sizeof(gpuvm_fault))) ? -EFAULT : 0;
}
default:
DRM_DEBUG_KMS("Invalid request %d\n", info->query);
return -EINVAL;
}
return 0;
}
/*
* Outdated mess for old drm with Xorg being in charge (void function now).
*/
/**
* amdgpu_driver_lastclose_kms - drm callback for last close
*
* @dev: drm dev pointer
*
* Switch vga_switcheroo state after last close (all asics).
*/
void amdgpu_driver_lastclose_kms(struct drm_device *dev)
{
drm_fb_helper_lastclose(dev);
vga_switcheroo_process_delayed_switch();
}
/**
* amdgpu_driver_open_kms - drm callback for open
*
* @dev: drm dev pointer
* @file_priv: drm file
*
* On device open, init vm on cayman+ (all asics).
* Returns 0 on success, error on failure.
*/
int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
{
struct amdgpu_device *adev = drm_to_adev(dev);
struct amdgpu_fpriv *fpriv;
int r, pasid;
/* Ensure IB tests are run on ring */
flush_delayed_work(&adev->delayed_init_work);
if (amdgpu_ras_intr_triggered()) {
DRM_ERROR("RAS Intr triggered, device disabled!!");
return -EHWPOISON;
}
file_priv->driver_priv = NULL;
r = pm_runtime_get_sync(dev->dev);
if (r < 0)
goto pm_put;
fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
if (unlikely(!fpriv)) {
r = -ENOMEM;
goto out_suspend;
}
pasid = amdgpu_pasid_alloc(16);
if (pasid < 0) {
dev_warn(adev->dev, "No more PASIDs available!");
pasid = 0;
}
r = amdgpu_xcp_open_device(adev, fpriv, file_priv);
if (r)
goto error_pasid;
r = amdgpu_vm_init(adev, &fpriv->vm, fpriv->xcp_id);
if (r)
goto error_pasid;
r = amdgpu_vm_set_pasid(adev, &fpriv->vm, pasid);
if (r)
goto error_vm;
fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL);
if (!fpriv->prt_va) {
r = -ENOMEM;
goto error_vm;
}
if (adev->gfx.mcbp) {
uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
&fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE);
if (r)
goto error_vm;
}
r = amdgpu_seq64_map(adev, &fpriv->vm, &fpriv->seq64_va);
if (r)
goto error_vm;
mutex_init(&fpriv->bo_list_lock);
idr_init_base(&fpriv->bo_list_handles, 1);
amdgpu_ctx_mgr_init(&fpriv->ctx_mgr, adev);
file_priv->driver_priv = fpriv;
goto out_suspend;
error_vm:
amdgpu_vm_fini(adev, &fpriv->vm);
error_pasid:
if (pasid) {
amdgpu_pasid_free(pasid);
amdgpu_vm_set_pasid(adev, &fpriv->vm, 0);
}
kfree(fpriv);
out_suspend:
pm_runtime_mark_last_busy(dev->dev);
pm_put:
pm_runtime_put_autosuspend(dev->dev);
return r;
}
/**
* amdgpu_driver_postclose_kms - drm callback for post close
*
* @dev: drm dev pointer
* @file_priv: drm file
*
* On device post close, tear down vm on cayman+ (all asics).
*/
void amdgpu_driver_postclose_kms(struct drm_device *dev,
struct drm_file *file_priv)
{
struct amdgpu_device *adev = drm_to_adev(dev);
struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
struct amdgpu_bo_list *list;
struct amdgpu_bo *pd;
u32 pasid;
int handle;
if (!fpriv)
return;
pm_runtime_get_sync(dev->dev);
if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_UVD) != NULL)
amdgpu_uvd_free_handles(adev, file_priv);
if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL)
amdgpu_vce_free_handles(adev, file_priv);
if (fpriv->csa_va) {
uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
WARN_ON(amdgpu_unmap_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
fpriv->csa_va, csa_addr));
fpriv->csa_va = NULL;
}
amdgpu_seq64_unmap(adev, fpriv);
pasid = fpriv->vm.pasid;
pd = amdgpu_bo_ref(fpriv->vm.root.bo);
if (!WARN_ON(amdgpu_bo_reserve(pd, true))) {
amdgpu_vm_bo_del(adev, fpriv->prt_va);
amdgpu_bo_unreserve(pd);
}
amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
amdgpu_vm_fini(adev, &fpriv->vm);
if (pasid)
amdgpu_pasid_free_delayed(pd->tbo.base.resv, pasid);
amdgpu_bo_unref(&pd);
idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
amdgpu_bo_list_put(list);
idr_destroy(&fpriv->bo_list_handles);
mutex_destroy(&fpriv->bo_list_lock);
kfree(fpriv);
file_priv->driver_priv = NULL;
pm_runtime_mark_last_busy(dev->dev);
pm_runtime_put_autosuspend(dev->dev);
}
void amdgpu_driver_release_kms(struct drm_device *dev)
{
struct amdgpu_device *adev = drm_to_adev(dev);
amdgpu_device_fini_sw(adev);
pci_set_drvdata(adev->pdev, NULL);
}
/*
* VBlank related functions.
*/
/**
* amdgpu_get_vblank_counter_kms - get frame count
*
* @crtc: crtc to get the frame count from
*
* Gets the frame count on the requested crtc (all asics).
* Returns frame count on success, -EINVAL on failure.
*/
u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
unsigned int pipe = crtc->index;
struct amdgpu_device *adev = drm_to_adev(dev);
int vpos, hpos, stat;
u32 count;
if (pipe >= adev->mode_info.num_crtc) {
DRM_ERROR("Invalid crtc %u\n", pipe);
return -EINVAL;
}
/* The hw increments its frame counter at start of vsync, not at start
* of vblank, as is required by DRM core vblank counter handling.
* Cook the hw count here to make it appear to the caller as if it
* incremented at start of vblank. We measure distance to start of
* vblank in vpos. vpos therefore will be >= 0 between start of vblank
* and start of vsync, so vpos >= 0 means to bump the hw frame counter
* result by 1 to give the proper appearance to caller.
*/
if (adev->mode_info.crtcs[pipe]) {
/* Repeat readout if needed to provide stable result if
* we cross start of vsync during the queries.
*/
do {
count = amdgpu_display_vblank_get_counter(adev, pipe);
/* Ask amdgpu_display_get_crtc_scanoutpos to return
* vpos as distance to start of vblank, instead of
* regular vertical scanout pos.
*/
stat = amdgpu_display_get_crtc_scanoutpos(
dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
&vpos, &hpos, NULL, NULL,
&adev->mode_info.crtcs[pipe]->base.hwmode);
} while (count != amdgpu_display_vblank_get_counter(adev, pipe));
if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
(DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
} else {
DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
pipe, vpos);
/* Bump counter if we are at >= leading edge of vblank,
* but before vsync where vpos would turn negative and
* the hw counter really increments.
*/
if (vpos >= 0)
count++;
}
} else {
/* Fallback to use value as is. */
count = amdgpu_display_vblank_get_counter(adev, pipe);
DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
}
return count;
}
/**
* amdgpu_enable_vblank_kms - enable vblank interrupt
*
* @crtc: crtc to enable vblank interrupt for
*
* Enable the interrupt on the requested crtc (all asics).
* Returns 0 on success, -EINVAL on failure.
*/
int amdgpu_enable_vblank_kms(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
unsigned int pipe = crtc->index;
struct amdgpu_device *adev = drm_to_adev(dev);
int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
}
/**
* amdgpu_disable_vblank_kms - disable vblank interrupt
*
* @crtc: crtc to disable vblank interrupt for
*
* Disable the interrupt on the requested crtc (all asics).
*/
void amdgpu_disable_vblank_kms(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
unsigned int pipe = crtc->index;
struct amdgpu_device *adev = drm_to_adev(dev);
int idx = amdgpu_display_crtc_idx_to_irq_type(adev, pipe);
amdgpu_irq_put(adev, &adev->crtc_irq, idx);
}
/*
* Debugfs info
*/
#if defined(CONFIG_DEBUG_FS)
static int amdgpu_debugfs_firmware_info_show(struct seq_file *m, void *unused)
{
struct amdgpu_device *adev = m->private;
struct drm_amdgpu_info_firmware fw_info;
struct drm_amdgpu_query_fw query_fw;
struct atom_context *ctx = adev->mode_info.atom_context;
uint8_t smu_program, smu_major, smu_minor, smu_debug;
int ret, i;
static const char *ta_fw_name[TA_FW_TYPE_MAX_INDEX] = {
#define TA_FW_NAME(type)[TA_FW_TYPE_PSP_##type] = #type
TA_FW_NAME(XGMI),
TA_FW_NAME(RAS),
TA_FW_NAME(HDCP),
TA_FW_NAME(DTM),
TA_FW_NAME(RAP),
TA_FW_NAME(SECUREDISPLAY),
#undef TA_FW_NAME
};
/* VCE */
query_fw.fw_type = AMDGPU_INFO_FW_VCE;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
/* UVD */
query_fw.fw_type = AMDGPU_INFO_FW_UVD;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
/* GMC */
query_fw.fw_type = AMDGPU_INFO_FW_GMC;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
/* ME */
query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
/* PFP */
query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
/* CE */
query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
/* RLC */
query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
/* RLC SAVE RESTORE LIST CNTL */
query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_CNTL;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "RLC SRLC feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
/* RLC SAVE RESTORE LIST GPM MEM */
query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_GPM_MEM;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "RLC SRLG feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
/* RLC SAVE RESTORE LIST SRM MEM */
query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC_RESTORE_LIST_SRM_MEM;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "RLC SRLS feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
/* RLCP */
query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLCP;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "RLCP feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
/* RLCV */
query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLCV;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "RLCV feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
/* MEC */
query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
query_fw.index = 0;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
/* MEC2 */
if (adev->gfx.mec2_fw) {
query_fw.index = 1;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
}
/* IMU */
query_fw.fw_type = AMDGPU_INFO_FW_IMU;
query_fw.index = 0;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "IMU feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
/* PSP SOS */
query_fw.fw_type = AMDGPU_INFO_FW_SOS;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "SOS feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
/* PSP ASD */
query_fw.fw_type = AMDGPU_INFO_FW_ASD;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "ASD feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
query_fw.fw_type = AMDGPU_INFO_FW_TA;
for (i = TA_FW_TYPE_PSP_XGMI; i < TA_FW_TYPE_MAX_INDEX; i++) {
query_fw.index = i;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
continue;
seq_printf(m, "TA %s feature version: 0x%08x, firmware version: 0x%08x\n",
ta_fw_name[i], fw_info.feature, fw_info.ver);
}
/* SMC */
query_fw.fw_type = AMDGPU_INFO_FW_SMC;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
smu_program = (fw_info.ver >> 24) & 0xff;
smu_major = (fw_info.ver >> 16) & 0xff;
smu_minor = (fw_info.ver >> 8) & 0xff;
smu_debug = (fw_info.ver >> 0) & 0xff;
seq_printf(m, "SMC feature version: %u, program: %d, firmware version: 0x%08x (%d.%d.%d)\n",
fw_info.feature, smu_program, fw_info.ver, smu_major, smu_minor, smu_debug);
/* SDMA */
query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
for (i = 0; i < adev->sdma.num_instances; i++) {
query_fw.index = i;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
i, fw_info.feature, fw_info.ver);
}
/* VCN */
query_fw.fw_type = AMDGPU_INFO_FW_VCN;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "VCN feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
/* DMCU */
query_fw.fw_type = AMDGPU_INFO_FW_DMCU;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "DMCU feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
/* DMCUB */
query_fw.fw_type = AMDGPU_INFO_FW_DMCUB;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "DMCUB feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
/* TOC */
query_fw.fw_type = AMDGPU_INFO_FW_TOC;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "TOC feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
/* CAP */
if (adev->psp.cap_fw) {
query_fw.fw_type = AMDGPU_INFO_FW_CAP;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "CAP feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
}
/* MES_KIQ */
query_fw.fw_type = AMDGPU_INFO_FW_MES_KIQ;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "MES_KIQ feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
/* MES */
query_fw.fw_type = AMDGPU_INFO_FW_MES;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "MES feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
/* VPE */
query_fw.fw_type = AMDGPU_INFO_FW_VPE;
ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
if (ret)
return ret;
seq_printf(m, "VPE feature version: %u, firmware version: 0x%08x\n",
fw_info.feature, fw_info.ver);
seq_printf(m, "VBIOS version: %s\n", ctx->vbios_pn);
return 0;
}
DEFINE_SHOW_ATTRIBUTE(amdgpu_debugfs_firmware_info);
#endif
void amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
{
#if defined(CONFIG_DEBUG_FS)
struct drm_minor *minor = adev_to_drm(adev)->primary;
struct dentry *root = minor->debugfs_root;
debugfs_create_file("amdgpu_firmware_info", 0444, root,
adev, &amdgpu_debugfs_firmware_info_fops);
#endif
}