Re: [PATCH] drm/msm/adreno: Fix error return if missing firmware-name
From: Akhil P Oommen
Date: Tue Jul 16 2024 - 17:46:27 EST
On Tue, Jul 16, 2024 at 09:06:30AM -0700, Rob Clark wrote:
> From: Rob Clark <robdclark@xxxxxxxxxxxx>
>
> -ENODEV is used to signify that there is no zap shader for the platform,
> and the CPU can directly take the GPU out of secure mode. We want to
> use this return code when there is no zap-shader node. But not when
> there is, but without a firmware-name property. This case we want to
> treat as-if the needed fw is not found.
>
> Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
> ---
Reviewed-by: Akhil P Oommen <quic_akhilpo@xxxxxxxxxxx>
-Akhil
> drivers/gpu/drm/msm/adreno/adreno_gpu.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
> index b46e7e93b3ed..0d84be3be0b7 100644
> --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
> +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
> @@ -99,7 +99,7 @@ static int zap_shader_load_mdt(struct msm_gpu *gpu, const char *fwname,
> * was a bad idea, and is only provided for backwards
> * compatibility for older targets.
> */
> - return -ENODEV;
> + return -ENOENT;
> }
>
> if (IS_ERR(fw)) {
> --
> 2.45.2
>