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| author | Hsiao Chien Sung <shawn.sung@mediatek.com> | 2024-06-20 00:38:54 +0800 |
|---|---|---|
| committer | Chun-Kuang Hu <chunkuang.hu@kernel.org> | 2024-06-20 13:57:36 +0000 |
| commit | 9b751e52fb6b049acec44a30f54b6746d57e5009 (patch) | |
| tree | a4e702de788c06e58b15297ee6871ad2bc590222 | |
| parent | bc46eb5d5d7780782c70c7915f59ed25a908d550 (diff) | |
| download | lwn-9b751e52fb6b049acec44a30f54b6746d57e5009.tar.gz lwn-9b751e52fb6b049acec44a30f54b6746d57e5009.zip | |
drm/mediatek: Support DRM plane alpha in Mixer
Set the plane alpha according to DRM plane property.
Reviewed-by: CK Hu <ck.hu@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Fixes: 119f5173628a ("drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.")
Signed-off-by: Hsiao Chien Sung <shawn.sung@mediatek.com>
Link: https://patchwork.kernel.org/project/dri-devel/patch/20240620-igt-v3-14-a9d62d2e2c7e@mediatek.com/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_ethdr.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_ethdr.c b/drivers/gpu/drm/mediatek/mtk_ethdr.c index bf5826b7e776..36021cb8df62 100644 --- a/drivers/gpu/drm/mediatek/mtk_ethdr.c +++ b/drivers/gpu/drm/mediatek/mtk_ethdr.c @@ -170,8 +170,10 @@ void mtk_ethdr_layer_config(struct device *dev, unsigned int idx, return; } - if (state->base.fb && state->base.fb->format->has_alpha) - alpha_con = MIXER_ALPHA_AEN | MIXER_ALPHA; + if (state->base.fb) { + alpha_con |= MIXER_ALPHA_AEN; + alpha_con |= state->base.alpha & MIXER_ALPHA; + } if (state->base.fb && !state->base.fb->format->has_alpha) { /* |