Messages in this thread Patch in this message | | | From | CK Hu (胡俊光) <> | Subject | Re: [PATCH v7 14/18] drm/mediatek: Support "None" blending in Mixer | Date | Fri, 3 May 2024 09:40:44 +0000 |
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Hi, Shawn:
On Thu, 2024-05-02 at 18:38 +0800, Shawn Sung wrote: > From: Hsiao Chien Sung <shawn.sung@mediatek.com> > > Support "None" alpha blending mode on MediaTek's chips.
Reviewed-by: CK Hu <ck.hu@mediatek.com>
> > Signed-off-by: Hsiao Chien Sung <shawn.sung@mediatek.com> > --- > drivers/gpu/drm/mediatek/mtk_ethdr.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/mediatek/mtk_ethdr.c > b/drivers/gpu/drm/mediatek/mtk_ethdr.c > index 4f043be21ee36..91ebeee6c8b1d 100644 > --- a/drivers/gpu/drm/mediatek/mtk_ethdr.c > +++ b/drivers/gpu/drm/mediatek/mtk_ethdr.c > @@ -180,7 +180,8 @@ void mtk_ethdr_layer_config(struct device *dev, > unsigned int idx, > else > mix_con |= NON_PREMULTI_SOURCE; > > - if (state->base.fb && !state->base.fb->format->has_alpha) { > + if (state->base.pixel_blend_mode == DRM_MODE_BLEND_PIXEL_NONE > || > + (state->base.fb && !state->base.fb->format->has_alpha)) { > /* > * Mixer doesn't support CONST_BLD mode, > * use a trick to make the output equivalent
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