Message ID | 20240619-mediatek-drm-next-v2-13-abf68f46f8d2@mediatek.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | Fix the errors of MediaTek display driver found by IGT | expand |
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) { /*