[PATCH] drm/amdgpu: return an error of query_video_caps is not set

[Christian König]

Am 29.06.23 um 15:22 schrieb Alex Deucher:
> Should only be an issue for bring up when the function
> pointer is not set, but check it anyway to be safe.
>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>

Reviewed-by: Christian König <christian.koenig at amd.com>

> ---
>   drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c | 3 +++
>   1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> index cca5a495611f3..85a0d5f419c87 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
> @@ -1102,6 +1102,9 @@ int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
>   		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);