Re: [PATCH v6 07/14] drm/mediatek: Support alpha blending in display driver

From: Shawn Sung (宋孝謙)
Date: Wed Mar 27 2024 - 22:53:25 EST


Hi CK,

On Fri, 2024-03-22 at 09:37 +0000, CK Hu (胡俊光) wrote:
> > diff --git a/drivers/gpu/drm/mediatek/mtk_plane.c
> > b/drivers/gpu/drm/mediatek/mtk_plane.c
> > index 1723d4333f371..5bf757a3ef202 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_plane.c
> > +++ b/drivers/gpu/drm/mediatek/mtk_plane.c
> > @@ -346,6 +346,17 @@ int mtk_plane_init(struct drm_device *dev,
> > struct drm_plane *plane,
> > DRM_INFO("Create rotation property failed\n");
> > }
> >
> > + err = drm_plane_create_alpha_property(plane);
> > + if (err)
> > + DRM_ERROR("failed to create property: alpha\n");
> > +
> > + err = drm_plane_create_blend_mode_property(plane,
> > + BIT(DRM_MODE_BLEND_P
> > REMULTI) |
> > + BIT(DRM_MODE_BLEND_C
> > OVERAGE) |
> > + BIT(DRM_MODE_BLEND_P
> > IXEL_NONE));
>
> After all sub driver support these function, then create blend
> property. So move this patch after all sub driver support these blend
> mode.
>

Got it. Will rearrange the patches in the next version

Thanks,
Shawn