From: Daniel Stone <daniel@fooishbar.org>
To: "Shankar, Uma" <uma.shankar@intel.com>
Cc: intel-gfx <intel-gfx@lists.freedesktop.org>,
"Syrjala, Ville" <ville.syrjala@intel.com>,
"Lankhorst, Maarten" <maarten.lankhorst@intel.com>,
dri-devel <dri-devel@lists.freedesktop.org>
Subject: Re: [Intel-gfx] [PATCH 0/7] Add Plane Color Properties
Date: Mon, 13 Nov 2017 10:30:42 +0000 [thread overview]
Message-ID: <CAPj87rMsYJi55HyN-EsCbjOxFTdGPyCVe-inTYh1q2fdovR6qw@mail.gmail.com> (raw)
In-Reply-To: <E7C9878FBA1C6D42A1CA3F62AEB6945F7F0D2CF6@BGSMSX104.gar.corp.intel.com>
Hi Uma,
On 10 November 2017 at 08:37, Shankar, Uma <uma.shankar@intel.com> wrote:
>>This is missing documentation on how plane colour management interacts with
>>CRTC colour management. Is it a step before CRTC colour management is
>>applied, or does it bypass CRTC colour management, or ... ?
>>
>
> We can have color correction at 2 places in the Display hardware pipeline
> 1. At plane level (before blending)
> 2. At pipe level (after blending)
>
> Both can be used and function independently of each other. Typical use case can be:
>
> 2 Layers planes/overlays with different color space and formats. These can be converted to one
> common color space using the plane level color correction, then blended together. If needed
> pipe color correction can be applied on the blended output (based on use case and scenarios)
This is roughly what I'd expected, but I don't believe the same to be
true of all hardware, and it would certainly need to be documented.
Thanks for the explanation!
Cheers,
Daniel
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prev parent reply other threads:[~2017-11-13 10:30 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-07 12:06 [PATCH 0/7] Add Plane Color Properties Uma Shankar
2017-11-07 12:06 ` [RFC 1/7] drm: Add Plane Degamma properties Uma Shankar
2017-11-07 15:43 ` [Intel-gfx] " Emil Velikov
2017-11-07 17:49 ` Brian Starkey
2017-11-07 18:09 ` Brian Starkey
2017-11-09 12:55 ` Shankar, Uma
2017-11-07 12:06 ` [RFC 2/7] drm: Add Plane CTM property Uma Shankar
2017-11-07 17:39 ` Brian Starkey
2017-11-08 9:08 ` Shankar, Uma
2017-11-07 12:06 ` [RFC 3/7] drm: Add Plane Gamma properties Uma Shankar
2017-11-07 12:06 ` [RFC 4/7] drm: Define helper function for plane color enabling Uma Shankar
2017-11-07 12:06 ` [RFC 5/7] drm/i915: Enable plane color features Uma Shankar
2017-11-07 12:06 ` [RFC 6/7] drm/i915: Implement Plane Gamma for Bdw and Gen9 platforms Uma Shankar
2017-11-07 12:06 ` [RFC 7/7] drm/i915: Load plane color luts from atomic flip Uma Shankar
2017-11-07 16:13 ` [Intel-gfx] [PATCH 0/7] Add Plane Color Properties Daniel Stone
2017-11-10 8:37 ` Shankar, Uma
2017-11-13 10:30 ` Daniel Stone [this message]
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