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[219.106.231.132]) by smtp.gmail.com with ESMTPSA id f1-20020aa79681000000b0052d63fb109asm1323607pfk.20.2022.08.10.01.37.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Aug 2022 01:37:22 -0700 (PDT) From: Takanari Hayama To: dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, linux-renesas-soc@vger.kernel.org Subject: [PATCH v2 1/3] media: vsp1: add premultiplied alpha support Date: Wed, 10 Aug 2022 17:37:09 +0900 Message-Id: <20220810083711.219642-2-taki@igel.co.jp> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220810083711.219642-1-taki@igel.co.jp> References: <20220810083711.219642-1-taki@igel.co.jp> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Takanari Hayama , airlied@linux.ie, kieran.bingham+renesas@ideasonboard.com, laurent.pinchart@ideasonboard.com, mchehab@kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To support DRM blend mode in R-Car DU driver, we must be able to pass a plane with the premultiplied alpha. Adding a new property to vsp1_du_atomic_config allows the R-Car DU driver to pass the premultiplied alpha plane. Signed-off-by: Takanari Hayama --- drivers/media/platform/renesas/vsp1/vsp1_drm.c | 2 ++ include/media/vsp1.h | 2 ++ 2 files changed, 4 insertions(+) diff --git a/drivers/media/platform/renesas/vsp1/vsp1_drm.c b/drivers/media/platform/renesas/vsp1/vsp1_drm.c index 0c2507dc03d6..019e18976bd8 100644 --- a/drivers/media/platform/renesas/vsp1/vsp1_drm.c +++ b/drivers/media/platform/renesas/vsp1/vsp1_drm.c @@ -856,6 +856,8 @@ int vsp1_du_atomic_update(struct device *dev, unsigned int pipe_index, rpf->mem.addr[1] = cfg->mem[1]; rpf->mem.addr[2] = cfg->mem[2]; + rpf->format.flags = (cfg->premult) ? V4L2_PIX_FMT_FLAG_PREMUL_ALPHA : 0; + vsp1->drm->inputs[rpf_index].crop = cfg->src; vsp1->drm->inputs[rpf_index].compose = cfg->dst; vsp1->drm->inputs[rpf_index].zpos = cfg->zpos; diff --git a/include/media/vsp1.h b/include/media/vsp1.h index cc1b0d42ce95..48f4a5023d81 100644 --- a/include/media/vsp1.h +++ b/include/media/vsp1.h @@ -51,6 +51,7 @@ int vsp1_du_setup_lif(struct device *dev, unsigned int pipe_index, * @dst: destination rectangle on the display (integer coordinates) * @alpha: alpha value (0: fully transparent, 255: fully opaque) * @zpos: Z position of the plane (from 0 to number of planes minus 1) + * @premult: true for premultiplied alpha */ struct vsp1_du_atomic_config { u32 pixelformat; @@ -60,6 +61,7 @@ struct vsp1_du_atomic_config { struct v4l2_rect dst; unsigned int alpha; unsigned int zpos; + bool premult; }; /** -- 2.25.1