From nobody Fri Sep 20 01:30:56 2024 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A29E8155C94 for ; Wed, 19 Jun 2024 17:27:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718818032; cv=none; b=r6wfdYpYWdSQzC59t1mnZbiUPa2XVoPAxNwzPTAKjopXc9n4bYN9+gOV9JTlsSRXcOJvKwt2rj4JoJr3kQwIQxomfdAXVYARfuDbFwMljs/BORgIWOuEmcbm2GIoBbN6Ie26KEudISHoLDt5XcelA95XcaRREhrVP84Y17HBmCQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718818032; c=relaxed/simple; bh=Nao5IZ6gS4htHNI4Bs9XEbYk4qFYkFkjgxxw6oHgg5g=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=bwBqITaUzAXuWNgM5YXP0I+OX6PJ7km0Nk/Qc9rmMdRDJd/ILFjoMYQaci2lQbhf7ZdLLg6kER9WjjZHYuY4+3ibHtYaMSMX9VKTvEuiOefdJcH36VxNpxCRcJm53A0za7RFKfGX+2IdbXQ6JYE6lUjwpjg84eNvpckPaRLeFNw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LL/fLTO2; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="LL/fLTO2" Received: by smtp.kernel.org (Postfix) with ESMTPS id 6281EC4AF0B; Wed, 19 Jun 2024 17:27:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1718818032; bh=Nao5IZ6gS4htHNI4Bs9XEbYk4qFYkFkjgxxw6oHgg5g=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=LL/fLTO29QX2UaABYk2m4jwVlQpE+Z2f7JkQUuxFbIwkjHAYmrqg3xpJ8y1RfPSk9 OqRw209EfLXmF31R67OKclMXtzlg2tPyEj5DsjcTBCKzC30lgjm9oMCfiQSW6YtX0H q7zwfpenEx5FknB6phOrM0DSyLLMg1o6OCL+SSSRSAY98xcMb9Cx89E3IVhWzTOjqv Gk7GOkP+RcMknB7TDFcJD/KhJPQZEQH1j0vBT7WTaPF0isgJM11RFASC9eT9P3aueG zprewtlOc6fKGK9WLy6HFMcya8z77ypCfAgq6G+lmUgzo7O2DiA/26cR7+WnjDAW/l raBOBxSXKg3Hg== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 55424C27C53; Wed, 19 Jun 2024 17:27:12 +0000 (UTC) From: Hsiao Chien Sung via B4 Relay Date: Thu, 20 Jun 2024 01:27:09 +0800 Subject: [PATCH 4/5] drm/mediatek: Support "Pre-multiplied" blending in Mixer Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240620-blend-v1-4-72670072ca20@mediatek.com> References: <20240620-blend-v1-0-72670072ca20@mediatek.com> In-Reply-To: <20240620-blend-v1-0-72670072ca20@mediatek.com> To: Chun-Kuang Hu , Philipp Zabel , David Airlie , Daniel Vetter , Matthias Brugger , AngeloGioacchino Del Regno Cc: dri-devel@lists.freedesktop.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Hsiao Chien Sung X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1718818030; l=936; i=shawn.sung@mediatek.com; s=20240616; h=from:subject:message-id; bh=3bQjcoj+V0e9su0dM39EChvPukc7zStbrzEBWWh/Frw=; b=tmGg6oENStsgX78tH+bSHouFVDAfE2H7VBaEIK/gPa76rctdyJWSPy0rnc5TkdUO5Jnni8zSK fbpepZ4ykebB0sXZivN86VVGHO6snBnajwCVvviUw2iYjuEzcz//B+b X-Developer-Key: i=shawn.sung@mediatek.com; a=ed25519; pk=lq1w8BuWDINX+4JHjGHhhbAU5ICP+cL9VCj7wn+cEDA= X-Endpoint-Received: by B4 Relay for shawn.sung@mediatek.com/20240616 with auth_id=172 X-Original-From: Hsiao Chien Sung Reply-To: shawn.sung@mediatek.com From: Hsiao Chien Sung Support "Pre-multiplied" alpha blending mode in Mixer. Before this patch, only the coverage mode is supported. 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/mediate= k/mtk_ethdr.c index 48b714994492..bc43d0d760c1 100644 --- a/drivers/gpu/drm/mediatek/mtk_ethdr.c +++ b/drivers/gpu/drm/mediatek/mtk_ethdr.c @@ -177,7 +177,8 @@ void mtk_ethdr_layer_config(struct device *dev, unsigne= d int idx, alpha_con |=3D state->base.alpha & MIXER_ALPHA; } =20 - if (state->base.pixel_blend_mode =3D=3D DRM_MODE_BLEND_PIXEL_NONE) + if (state->base.pixel_blend_mode =3D=3D DRM_MODE_BLEND_PIXEL_NONE || + state->base.pixel_blend_mode =3D=3D DRM_MODE_BLEND_PREMULTI) alpha_con |=3D PREMULTI_SOURCE; else alpha_con |=3D NON_PREMULTI_SOURCE; --=20 Git-146)