linux-kernel - Re: [PATCH v2] drm/panel: simple: Add support for Innolux AT070TN92

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: <20160422223047.GA22161@mithrandir.ba.sec>
Date:	Sat, 23 Apr 2016 00:30:49 +0200
From:	Thierry Reding <thierry.reding@...il.com>
To:	Holger Schurig <holgerschurig@...il.com>
Cc:	Boris Brezillon <boris.brezillon@...e-electrons.com>,
	Riccardo Bortolato <bortolato@...altechitalia.it>,
	David Airlie <airlied@...ux.ie>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Daniel Vetter <daniel@...ll.ch>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2] drm/panel: simple: Add support for Innolux AT070TN92

On Thu, Apr 21, 2016 at 02:11:19PM +0200, Holger Schurig wrote:
> Thierry Reding <thierry.reding@...il.com> writes:
> > Applied, thanks.
> 
> I once read that this is the recommended way to go, instead of
> specifying the timings in the device tree. Why is this so?  Any new
> display just increases the .text size of the kernel unnessary.

It's actually only the .rodata section that's increased every time we
add a new display panel.

> Did this idea stem from the era where bootloaders like Barebox couldn't
> modify the DT ad-hoc before handing it over to the kernel?

No, not really. But since this has come up every now and again I finally
wrote down my recollection and thoughts on the matter, hopefully that
will be satisfactory as an answer:

	http://sietch-tagr.blogspot.com/2016/04/display-panels-are-not-special.html

Thierry

Download attachment "signature.asc" of type "application/pgp-signature" (820 bytes)