On Mon, Oct 13, 2025 at 3:23 AM Jernej Skrabec <[email protected]> wrote:
>
> DRM requires that all check are done in atomic_check callback. Move
> one check from atomic_commit to atomic_update callback.

Same comment as the previous patch.

> Signed-off-by: Jernej Skrabec <[email protected]>
> ---
>  drivers/gpu/drm/sun4i/sun8i_vi_layer.c | 18 +++++++++++-------
>  1 file changed, 11 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c 
> b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
> index bd6c7915bbc4..c80bdece5ffc 100644
> --- a/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
> +++ b/drivers/gpu/drm/sun4i/sun8i_vi_layer.c
> @@ -217,16 +217,11 @@ static int sun8i_vi_layer_update_formats(struct 
> sun8i_mixer *mixer, int channel,
>         struct drm_plane_state *state = plane->state;
>         u32 val, ch_base, csc_mode, hw_fmt;
>         const struct drm_format_info *fmt;
> -       int ret;
>
>         ch_base = sun8i_channel_base(mixer, channel);
>
>         fmt = state->fb->format;
> -       ret = sun8i_mixer_drm_format_to_hw(fmt->format, &hw_fmt);
> -       if (ret) {
> -               DRM_DEBUG_DRIVER("Invalid format\n");
> -               return ret;
> -       }
> +       sun8i_mixer_drm_format_to_hw(fmt->format, &hw_fmt);
>
>         val = hw_fmt << SUN8I_MIXER_CHAN_VI_LAYER_ATTR_FBFMT_OFFSET;
>         regmap_update_bits(mixer->engine.regs,
> @@ -322,7 +317,9 @@ static int sun8i_vi_layer_atomic_check(struct drm_plane 
> *plane,
>         struct sun8i_layer *layer = plane_to_sun8i_layer(plane);
>         struct drm_crtc *crtc = new_plane_state->crtc;
>         struct drm_crtc_state *crtc_state;
> -       int min_scale, max_scale;
> +       const struct drm_format_info *fmt;
> +       int min_scale, max_scale, ret;
> +       u32 hw_fmt;
>
>         if (!crtc)
>                 return 0;
> @@ -332,6 +329,13 @@ static int sun8i_vi_layer_atomic_check(struct drm_plane 
> *plane,
>         if (WARN_ON(!crtc_state))
>                 return -EINVAL;
>
> +       fmt = new_plane_state->fb->format;
> +       ret = sun8i_mixer_drm_format_to_hw(fmt->format, &hw_fmt);
> +       if (ret) {
> +               DRM_DEBUG_DRIVER("Invalid plane format\n");
> +               return ret;
> +       }
> +
>         min_scale = DRM_PLANE_NO_SCALING;
>         max_scale = DRM_PLANE_NO_SCALING;
>
> --
> 2.51.0
>
>

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