On Fri, Mar 16, 2018 at 11:07:08AM -0500, Alex Deucher wrote:
> Need to be able to query the VCN firmware version from
> userspace to determine supported features, etc.
>
Reviewed-by: Huang Rui <ray.huang at amd.com>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> ---
> drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 12 ++++++++++++
> include/uapi/drm/amdgpu_drm.h | 2 ++
> 2 files changed, 14 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> index 04a2219ce25e..9290a7b81950 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> @@ -213,6 +213,10 @@ static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
> 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;
> @@ -1314,6 +1318,14 @@ static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data)
> 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);
> +
> return 0;
> }
>
> diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
> index a967e8de5973..68d93b482f42 100644
> --- a/include/uapi/drm/amdgpu_drm.h
> +++ b/include/uapi/drm/amdgpu_drm.h
> @@ -687,6 +687,8 @@ struct drm_amdgpu_cs_chunk_data {
> #define AMDGPU_INFO_FW_SOS 0x0c
> /* Subquery id: Query PSP ASD firmware version */
> #define AMDGPU_INFO_FW_ASD 0x0d
> + /* Subquery id: Query VCN firmware version */
> + #define AMDGPU_INFO_FW_VCN 0x0e
> /* number of bytes moved for TTM migration */
> #define AMDGPU_INFO_NUM_BYTES_MOVED 0x0f
> /* the used VRAM size */
> --
> 2.13.6
>
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> amd-gfx at lists.freedesktop.org
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