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drm/mediatek: Support DRM plane alpha in Mixer

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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: 119f517362 ("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>
This commit is contained in:
Hsiao Chien Sung
2024-06-20 00:38:54 +08:00
committed by Chun-Kuang Hu
parent bc46eb5d5d
commit 9b751e52fb
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/mediatek/mtk_ethdr.c
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@@ -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) {
/*