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Lin" , Fei Shao , Sean Paul , Jason Chen , , , , , "Hsiao Chien Sung" Subject: [PATCH v6 10/14] drm/mediatek: Support "None" alpha blending in OVL Date: Fri, 22 Mar 2024 13:28:25 +0800 Message-ID: <20240322052829.9893-11-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240322052829.9893-1-shawn.sung@mediatek.com> References: <20240322052829.9893-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--7.878300-8.000000 X-TMASE-MatchedRID: gZQz39yqSjep2D+ysBQGebxygpRxo4693KXiaLjnK32vloAnGr4qhglh 29MaPxbmZKE0ERpSKdRmWak1/EAxtFm72EsAF82QA9lly13c/gEK3n1SHen81eO53bHtM9W3+4D ayMhOhsnrDONdwADMfYAy6p60ZV62fJ5/bZ6npdg7AFczfjr/7J1YdJW5/P/fXo1DISzMEK0OxV ov9nycuK5NltfQgBA2ciaYNfAQH9w= X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--7.878300-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: ECAD17759913EC481D3141436FB6CB17E6B84EA59B8BF68E46CF4B2C7D0331272000:8 X-MTK: N Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: 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. Signed-off-by: Hsiao Chien Sung Reviewed-by: CK Hu --- 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/medi= atek/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 |=3D state->base.alpha & OVL_CON_ALPHA; } =20 - if (state->base.fb && !state->base.fb->format->has_alpha) + if (blend_mode =3D=3D DRM_MODE_BLEND_PIXEL_NONE || + (state->base.fb && !state->base.fb->format->has_alpha)) ignore_pixel_alpha =3D OVL_CONST_BLEND; =20 if (pending->rotation & DRM_MODE_REFLECT_Y) { --=20 2.18.0