From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender4-op-o10.zoho.com (sender4-op-o10.zoho.com [136.143.188.10]) (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 C554621ABB9 for ; Mon, 26 Jan 2026 18:26:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.10 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769451979; cv=pass; b=r2tRdRmgB0v17AB83fX2FW37yeJIUhbg7P5BRgKvsQwjBLoG9cK0AaFFRm3XCm2/SmfhE2HePlK+oJi8bt/s15edBxTz8W4s/k+GrA/02gWeM+jGSI0c+ihrazlN7kU9p2ic8Q/O6lzK7IjjO6Zgz54zxrfpQp/jwhKkSZiI+XI= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769451979; c=relaxed/simple; bh=M1pdoPngF1aDapNIHrwNpRBo4Sp2UIKTCGoXtl4MeI4=; h=Message-ID:Subject:From:To:Cc:Date:In-Reply-To:References: Content-Type:MIME-Version; b=IXOwo/v1T9xSa3ts9d/2Cx0lj/UwaJFkP2xfDLmAEFEVlPhyjbFbLdqtGB6hYeKQfayqHg3y4cX0yrY0fnlvqB1+JHitVH90g4ItfGdLRqpgv8Mj8/Sxzl4K2BVZFhl9/fk/hU4+ov0RiBi6LsSVJCKa04XmvsWsqNxc9zaZKVI= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=nfraprado@collabora.com header.b=kx4bYd12; arc=pass smtp.client-ip=136.143.188.10 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=nfraprado@collabora.com header.b="kx4bYd12" ARC-Seal: i=1; a=rsa-sha256; t=1769451944; cv=none; d=zohomail.com; s=zohoarc; b=Zn/ooi+tjr/B3JZDfPh6S7Ri3js5/zkIprHGuSy97Br9nKNc5h9Q+3B0YtaxOSINPbwt5XSlq7A285NIzYIhKR3+uw7TCTuccCx8ru7A0VY+1OCkrptNhflRy6+f6Z/7EFDNt02eVgv8txvvOeWg3v3mEpxqRRvkq/zWGaw62kQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1769451944; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=M1pdoPngF1aDapNIHrwNpRBo4Sp2UIKTCGoXtl4MeI4=; b=mH+JJFvIxEHJy/ZqUXFKpCNR56M+yc2s5cu7Kj/5E1PjupQbN+MMgkU9rFQsKRHZcnd7g8RN9XvUrf5SAFnXhBVoqzCq/X1BNYjGTdhAX+p+yxV34OghF5PjtsS9vqDqO5Vr7W9RYPfQ7kKC1ezDMdMXKZoKxA0ru5ETMMjpbT8= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=nfraprado@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1769451944; s=zohomail; d=collabora.com; i=nfraprado@collabora.com; h=Message-ID:Subject:Subject:From:From:To:To:Cc:Cc:Date:Date:In-Reply-To:References:Content-Type:Content-Transfer-Encoding:MIME-Version:Message-Id:Reply-To; bh=M1pdoPngF1aDapNIHrwNpRBo4Sp2UIKTCGoXtl4MeI4=; b=kx4bYd12ixykYU8diZAiP/k70qprWD1JrV1394b507KEwJW1kFjztI6eDoTdXmPJ 3hSiX5ttD67uYlI6KIHByJf3ZXLw1EP7BGtJ2DE+mQp2TeJ3325DDtTizqYaTh9Ap0I 7VOZVwpb30TL56i6OValyHjQb9aWD5899FMpx0hM= Received: by mx.zohomail.com with SMTPS id 176945194260896.91308996533701; Mon, 26 Jan 2026 10:25:42 -0800 (PST) Message-ID: <0dfb0aafeb37f0683182ef23293bb8373dd7caf2.camel@collabora.com> Subject: Re: [PATCH v4 3/4] drm/vkms: Support setting custom background color From: =?ISO-8859-1?Q?N=EDcolas?= "F. R. A. Prado" To: Cristian Ciocaltea , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Sandy Huang , Heiko =?ISO-8859-1?Q?St=FCbner?= , Andy Yan , Louis Chauvet , Haneen Mohammed , Melissa Wen Cc: Robert Mader , kernel@collabora.com, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org Date: Mon, 26 Jan 2026 15:25:35 -0300 In-Reply-To: <20251219-rk3588-bgcolor-v4-3-2ff1127ea757@collabora.com> References: <20251219-rk3588-bgcolor-v4-0-2ff1127ea757@collabora.com> <20251219-rk3588-bgcolor-v4-3-2ff1127ea757@collabora.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.56.2-8 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ZohoMailClient: External On Fri, 2025-12-19 at 23:47 +0200, Cristian Ciocaltea wrote: > Make use of the BACKGROUND_COLOR CRTC property when filling the > background during blending.=C2=A0 It already defaults to solid black. >=20 > Since the internal representation of the pixel color in VKMS relies > on > 16 bits of precision, use the newly introduced > DRM_ARGB64_GET{R|G|B}() > helpers to access the individual components of the background color > property, which is compliant with DRM_FORMAT_ARGB16161616. >=20 > It's worth noting the alpha component is ignored, hence non-opaque > background colors are not supported. >=20 > Signed-off-by: Cristian Ciocaltea Reviewed-by: N=C3=ADcolas F. R. A. Prado --=20 Thanks, N=C3=ADcolas