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Lin" , Fei Shao , Sean Paul , Jason Chen , , , , , Hsiao Chien Sung Subject: [PATCH v7 13/18] drm/mediatek: Support "None" blending in OVL Date: Thu, 2 May 2024 18:38:43 +0800 Message-ID: <20240502103848.5845-14-shawn.sung@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20240502103848.5845-1-shawn.sung@mediatek.com> References: <20240502103848.5845-1-shawn.sung@mediatek.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain X-MTK: N From: Hsiao Chien Sung Support "None" alpha blending mode on MediaTek's chips. 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/mediatek/mtk_disp_ovl.c index ad84c2fe57111..87dbecc09a260 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c @@ -480,7 +480,8 @@ 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) { -- 2.18.0