From: "Ville Syrjälä" <ville.syrjala@linux.intel.com>
To: Russell King - ARM Linux <linux@armlinux.org.uk>
Cc: Hans Verkuil <hverkuil@xs4all.nl>, Jyri Sarha <jsarha@ti.com>,
dri-devel@lists.freedesktop.org
Subject: Re: DRM COLOR_RANGE property
Date: Wed, 4 Jul 2018 14:13:03 +0300 [thread overview]
Message-ID: <20180704111303.GS5565@intel.com> (raw)
In-Reply-To: <20180703161857.GQ17271@n2100.armlinux.org.uk>
On Tue, Jul 03, 2018 at 05:18:57PM +0100, Russell King - ARM Linux wrote:
> Can someone provide a deeper explanation about exactly what this
> property represents please?
>
> Does this represent the range of YCbCr values _into_ a YCbCr-to-RGB
> conversion (in other words, the range of values in the framebuffer),
> or the expected output range from the conversion?
The color_range/encoding props are about the input. The plane output
is generally full range RGB, but presumably some driver could choose
to use some other internal format as well.
--
Ville Syrjälä
Intel
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next prev parent reply other threads:[~2018-07-04 11:13 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-03 16:18 DRM COLOR_RANGE property Russell King - ARM Linux
2018-07-04 8:26 ` Daniel Vetter
2018-07-04 9:05 ` Russell King - ARM Linux
2018-07-04 9:24 ` Daniel Vetter
2018-07-04 9:58 ` Russell King - ARM Linux
2018-07-04 11:06 ` Daniel Vetter
2018-07-05 14:05 ` Ville Syrjälä
2018-07-04 11:30 ` Jyri Sarha
2018-07-04 11:13 ` Ville Syrjälä [this message]
2018-07-04 11:19 ` Jyri Sarha
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