From: "Nícolas F. R. A. Prado" <nfraprado@collabora.com>
To: "Cristian Ciocaltea" <cristian.ciocaltea@collabora.com>,
"Maarten Lankhorst" <maarten.lankhorst@linux.intel.com>,
"Maxime Ripard" <mripard@kernel.org>,
"Thomas Zimmermann" <tzimmermann@suse.de>,
"David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Sandy Huang" <hjc@rock-chips.com>,
"Heiko Stübner" <heiko@sntech.de>,
"Andy Yan" <andy.yan@rock-chips.com>,
"Louis Chauvet" <louis.chauvet@bootlin.com>,
"Haneen Mohammed" <hamohammed.sa@gmail.com>,
"Melissa Wen" <melissa.srw@gmail.com>
Cc: Robert Mader <robert.mader@collabora.com>,
kernel@collabora.com, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org
Subject: Re: [PATCH v4 3/4] drm/vkms: Support setting custom background color
Date: Mon, 26 Jan 2026 15:25:35 -0300 [thread overview]
Message-ID: <0dfb0aafeb37f0683182ef23293bb8373dd7caf2.camel@collabora.com> (raw)
In-Reply-To: <20251219-rk3588-bgcolor-v4-3-2ff1127ea757@collabora.com>
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. It already defaults to solid black.
>
> 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.
>
> It's worth noting the alpha component is ignored, hence non-opaque
> background colors are not supported.
>
> Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Reviewed-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
--
Thanks,
Nícolas
next prev parent reply other threads:[~2026-01-26 18:26 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-19 21:46 [PATCH v4 0/4] Introduce BACKGROUND_COLOR DRM CRTC property Cristian Ciocaltea
2025-12-19 21:46 ` [PATCH v4 1/4] uapi: Provide DIV_ROUND_CLOSEST() Cristian Ciocaltea
2026-01-26 18:33 ` Nícolas F. R. A. Prado
2025-12-19 21:46 ` [PATCH v4 2/4] drm: Add CRTC background color property Cristian Ciocaltea
2026-01-26 18:23 ` Nícolas F. R. A. Prado
2026-01-27 9:01 ` Cristian Ciocaltea
2025-12-19 21:47 ` [PATCH v4 3/4] drm/vkms: Support setting custom background color Cristian Ciocaltea
2026-01-26 18:25 ` Nícolas F. R. A. Prado [this message]
2025-12-19 21:47 ` [PATCH v4 4/4] drm/rockchip: vop2: " Cristian Ciocaltea
2026-01-10 4:00 ` Andy Yan
2026-01-10 9:58 ` [PATCH " Cristian Ciocaltea
2026-01-16 15:22 ` Cristian Ciocaltea
2026-02-13 7:07 ` Andy Yan
2026-02-13 11:04 ` Cristian Ciocaltea
2026-01-26 18:30 ` Nícolas F. R. A. Prado
2026-01-26 18:52 ` Cristian Ciocaltea
2026-01-07 19:42 ` [PATCH v4 0/4] Introduce BACKGROUND_COLOR DRM CRTC property Diederik de Haas
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