On Mon, Oct 13, 2025 at 3:23 AM Jernej Skrabec <[email protected]> wrote:
>
> DRM requires that all checks are done in atomic_check callback. Move
> one check from atomic_commit to atomic_update callback.
^ atomic_check?
Otherwise the commit message seems self-contradictory.
Once fixed,
Reviewed-by: Chen-Yu Tsai <[email protected]>
> Signed-off-by: Jernej Skrabec <[email protected]>
> ---
> drivers/gpu/drm/sun4i/sun8i_ui_layer.c | 18 +++++++++++-------
> 1 file changed, 11 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
> b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
> index 9b786e5c7f3c..fce7b265c5d8 100644
> --- a/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
> +++ b/drivers/gpu/drm/sun4i/sun8i_ui_layer.c
> @@ -134,16 +134,11 @@ static int sun8i_ui_layer_update_formats(struct
> sun8i_mixer *mixer, int channel,
> struct drm_plane_state *state = plane->state;
> const struct drm_format_info *fmt;
> u32 val, ch_base, hw_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 || fmt->is_yuv) {
> - DRM_DEBUG_DRIVER("Invalid format\n");
> - return -EINVAL;
> - }
> + sun8i_mixer_drm_format_to_hw(fmt->format, &hw_fmt);
>
> val = hw_fmt << SUN8I_MIXER_CHAN_UI_LAYER_ATTR_FBFMT_OFFSET;
> regmap_update_bits(mixer->engine.regs,
> @@ -201,7 +196,9 @@ static int sun8i_ui_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;
> @@ -211,6 +208,13 @@ static int sun8i_ui_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 || fmt->is_yuv) {
> + DRM_DEBUG_DRIVER("Invalid plane format\n");
> + return -EINVAL;
> + }
> +
> min_scale = DRM_PLANE_NO_SCALING;
> max_scale = DRM_PLANE_NO_SCALING;
>
> --
> 2.51.0
>
>
