linux-kernel - Re: [RFC] enhancing the kernel's graphics subsystem

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 for Android: free password hash cracker in your pocket

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

Date:	Wed, 23 May 2007 08:40:08 +0800
From:	"Antonino A. Daplas" <adaplas@...il.com>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	dri-devel@...ts.sourceforge.net,
	Jesse Barnes <jesse.barnes@...el.com>,
	James Simmons <jsimmons@...tafluge.infradead.org>,
	Dave Airlie <airlied@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: [RFC] enhancing the kernel's graphics subsystem

On Tue, 2007-05-22 at 16:36 -0700, Jesse Barnes wrote:
> On Tuesday, May 22, 2007, Benjamin Herrenschmidt wrote:
> > On Tue, 2007-05-22 at 08:39 -0700, Jesse Barnes wrote:
> > > The current code does its best to figure out what modes are available
> > > and tries to pick a good one for each display.  It sounds like you're
> > > mainly concerned with the actual mode picking, not the mode and output
> > > detection and enumeration?  If so, that's a pretty easy change to
> > > make.  But if you're also worried about the kernel building mode
> > > lists, then we'll have bigger changes to make...
> >
> > I'm worried that the EDID we get from the monitor is bogus and needs to
> > be overriden.
> >
> > Now, if the kernel builds a mode list, that's find if we have a call to
> > "feed" it with a replacement one later on from userland.
> >
> > In addition, there are all those monitors that cannot be probed (no
> > DDC/EDID) and for which only userland can reasonably provide a mode or a
> > mode list.
> 
> Yeah, we already have a call to add modes to the kernel's list, so we 
> should be covered.
> 

We actually have a function that will replace the entire mode list with
a new one safely.

Tony


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/