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=?utf-8?B?QmliYnkgSHNpZWggKOisnea/n+mBoCk=?= , "jason-ch.chen@mediatek.corp-partner.google.com" , =?utf-8?B?TmFuY3kgTGluICjmnpfmrKPonqIp?= , "daniel@ffwll.ch" , "p.zabel@pengutronix.de" , "dri-devel@lists.freedesktop.org" , "airlied@gmail.com" , "sean@poorly.run" , "matthias.bgg@gmail.com" , "fshao@chromium.org" , "linux-arm-kernel@lists.infradead.org" Subject: Re: [PATCH v6 10/14] drm/mediatek: Support "None" alpha blending in OVL Thread-Topic: [PATCH v6 10/14] drm/mediatek: Support "None" alpha blending in OVL Thread-Index: AQHafBnwOC6lvDyCyEuD+Ookmhlan7FDf28A Date: Fri, 22 Mar 2024 09:32:12 +0000 Message-ID: <306cc3a44aa94d9948e16216c337c5332b98fcb0.camel@mediatek.com> References: <20240322052829.9893-1-shawn.sung@mediatek.com> <20240322052829.9893-11-shawn.sung@mediatek.com> In-Reply-To: <20240322052829.9893-11-shawn.sung@mediatek.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-publictraffictype: Email x-ms-traffictypediagnostic: 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Hsiao Chien Sung > > 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 > > Signed-off-by: Hsiao Chien Sung > --- > 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) { _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel