<html><body><p> <pre> Hi, Shawn: On Fri, 2024-03-22 at 13:28 +0800, Shawn Sung wrote: > From: Hsiao Chien Sung <shawn.sung@mediatek.com> > > Support "None" blend mode on MediaTek's chips. > > Please refer to the description of the commit > "drm/mediatek: Support alpha blending in display driver" > for more information. Reviewed-by: CK Hu <ck.hu@mediatek.com> > > Signed-off-by: Hsiao Chien Sung <shawn.sung@mediatek.com> > --- > drivers/gpu/drm/mediatek/mtk_disp_ovl.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c > b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c > index b1e5d453316cc..a936f338ab79d 100644 > --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c > +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c > @@ -484,7 +484,8 @@ void mtk_ovl_layer_config(struct device *dev, > unsigned int idx, > con |= state->base.alpha & OVL_CON_ALPHA; > } > > -if (state->base.fb && !state->base.fb->format->has_alpha) > +if (blend_mode == DRM_MODE_BLEND_PIXEL_NONE || > + (state->base.fb && !state->base.fb->format->has_alpha)) > ignore_pixel_alpha = OVL_CONST_BLEND; > > if (pending->rotation & DRM_MODE_REFLECT_Y) { </pre> </p></body></html><pre>************* MEDIATEK Confidentiality Notice ******************** The information contained in this e-mail message (including any attachments) may be confidential, proprietary, privileged, or otherwise exempt from disclosure under applicable laws. It is intended to be conveyed only to the designated recipient(s). Any use, dissemination, distribution, printing, retaining or copying of this e-mail (including its attachments) by unintended recipient(s) is strictly prohibited and may be unlawful. If you are not an intended recipient of this e-mail, or believe that you have received this e-mail in error, please notify the sender immediately (by replying to this e-mail), delete any and all copies of this e-mail (including any attachments) from your system, and do not disclose the content of this e-mail to any other person. Thank you! </pre>