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Lin" , Fei Shao , Sean Paul , Jason Chen , , , , , Hsiao Chien Sung Subject: [PATCH v6 11/14] drm/mediatek: Support "None" alpha blending in Mixer Date: Fri, 22 Mar 2024 13:28:26 +0800 Message-ID: <20240322052829.9893-12-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> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240321_222840_544684_E5313B79 X-CRM114-Status: GOOD ( 11.99 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit 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" 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 --- drivers/gpu/drm/mediatek/mtk_ethdr.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/mediatek/mtk_ethdr.c b/drivers/gpu/drm/mediatek/mtk_ethdr.c index 4b12ca285e84b..951e3e82a6a1a 100644 --- a/drivers/gpu/drm/mediatek/mtk_ethdr.c +++ b/drivers/gpu/drm/mediatek/mtk_ethdr.c @@ -178,7 +178,8 @@ void mtk_ethdr_layer_config(struct device *dev, unsigned int idx, if (state->base.pixel_blend_mode != DRM_MODE_BLEND_COVERAGE) mix_con |= PREMULTI_SOURCE; - if (state->base.fb && !state->base.fb->format->has_alpha) { + if (state->base.pixel_blend_mode == DRM_MODE_BLEND_PIXEL_NONE || + (state->base.fb && !state->base.fb->format->has_alpha)) { /* * Mixer doesn't support CONST_BLD mode, * use a trick to make the output equivalent -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel