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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> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240502_033905_253684_15AC543D X-CRM114-Status: GOOD ( 10.68 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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) {