Re: [PATCH] drm/amd/display: Fix wrong return value in dm_update_plane_state()

From: Alex Deucher
Date: Tue Aug 04 2020 - 18:20:15 EST


On Mon, Aug 3, 2020 at 4:21 AM Tianjia Zhang
<tianjia.zhang@xxxxxxxxxxxxxxxxx> wrote:
>
> On an error exit path, a negative error code should be returned
> instead of a positive return value.
>
> Fixes: 9e869063b0021 ("drm/amd/display: Move iteration out of dm_update_planes")
> Cc: Leo Li <sunpeng.li@xxxxxxx>
> Signed-off-by: Tianjia Zhang <tianjia.zhang@xxxxxxxxxxxxxxxxx>

Applied. Thanks!

Alex

> ---
> drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index 710edc70e37e..5810416e2ddc 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -8182,8 +8182,7 @@ static int dm_update_plane_state(struct dc *dc,
> dm_old_plane_state->dc_state,
> dm_state->context)) {
>
> - ret = EINVAL;
> - return ret;
> + return -EINVAL;
> }
>
>
> --
> 2.26.2
>
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