linux-kernel - Re: [PATCH 7/8] drm/msm/dpu: link DSPP_2/

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <Z2PyANZAL1PkNWc4@hovoldconsulting.com>
Date: Thu, 19 Dec 2024 11:14:24 +0100
From: Johan Hovold <johan@...nel.org>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: Rob Clark <robdclark@...il.com>,
	Abhinav Kumar <quic_abhinavk@...cinc.com>,
	Sean Paul <sean@...rly.run>,
	Marijn Suijten <marijn.suijten@...ainline.org>,
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
	Robert Foss <rfoss@...nel.org>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Abel Vesa <abel.vesa@...aro.org>,
	Richard Acayan <mailingradian@...il.com>,
	Rob Clark <robdclark@...omium.org>, linux-arm-msm@...r.kernel.org,
	dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 7/8] drm/msm/dpu: link DSPP_2/_3 blocks on X1E80100

On Tue, Dec 17, 2024 at 12:38:17PM +0200, Dmitry Baryshkov wrote:
> On Tue, Dec 17, 2024 at 09:41:44AM +0100, Johan Hovold wrote:
> > On Mon, Dec 16, 2024 at 10:27:28AM +0200, Dmitry Baryshkov wrote:
> > > Link DSPP_2 to the LM_2 and DSPP_3 to the LM_3 mixer blocks.
> > 
> > Please say something about why you're doing this and what the expected
> > outcome of doing so is.
> > 
> > There is currently no way for a third party (e.g. stable or distro
> > maintainer) to determine what this patch does, if it needs to be
> > backported or if it's essentially just a clean up like Abhinav indicated
> > in one of his replies.
> 
> These patches allow using colour transformation matrix (aka night mode)
> with more outputs at the same time. I think at this point only CrOS
> compositor actually uses CTM, so these changes do not need to be
> backported.

Ok, thanks for clarifying. Can you put something like this in the commit
messages so that we have a record of it?

> However they are not cleanups, it was a feedback for the
> SM6150 patch for the reasons expressed in the Abhinav's email.

I don't see any SM6150 patch in the thread. Do you have a pointer?

Johan