<html><body><p> <pre> Hi, Shawn: On Wed, 2024-07-17 at 13:24 +0800, Hsiao Chien Sung via B4 Relay wrote: > > External email : Please do not click links or open attachments until you have verified the sender or the content. > 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> > > Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> > Signed-off-by: Hsiao Chien Sung <shawn.sung@mediatek.com> > --- > drivers/gpu/drm/mediatek/mtk_ethdr.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/mediatek/mtk_ethdr.c b/drivers/gpu/drm/mediatek/mtk_ethdr.c > index 9dfd13d32dfa..80ccdad3741b 100644 > --- a/drivers/gpu/drm/mediatek/mtk_ethdr.c > +++ b/drivers/gpu/drm/mediatek/mtk_ethdr.c > @@ -3,6 +3,7 @@ > * Copyright (c) 2021 MediaTek Inc. > */ > > +#include <drm/drm_blend.h> > #include <drm/drm_fourcc.h> > #include <drm/drm_framebuffer.h> > #include <linux/clk.h> > @@ -175,7 +176,8 @@ void mtk_ethdr_layer_config(struct device *dev, unsigned int idx, > alpha_con |= state->base.alpha & MIXER_ALPHA; > } > > -if (state->base.fb && !state->base.fb->format->has_alpha) { > +if ((state->base.fb && !state->base.fb->format->has_alpha) || > + state->base.pixel_blend_mode == DRM_MODE_BLEND_PIXEL_NONE) { > /* > * Mixer doesn't support CONST_BLD mode, > * use a trick to make the output equivalent > > -- > 2.43.0 > > </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>