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

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Message-Id: <1179802105.32247.780.camel@localhost.localdomain>
Date:	Tue, 22 May 2007 12:48:25 +1000
From:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
To:	Keith Packard <keithp@...thp.com>
Cc:	Jesse Barnes <jesse.barnes@...el.com>,
	James Simmons <jsimmons@...tafluge.infradead.org>,
	dri-devel@...ts.sourceforge.net, Dave Airlie <airlied@...il.com>,
	linux-kernel@...r.kernel.org,
	"Antonino A. Daplas" <adaplas@...il.com>
Subject: Re: [RFC] enhancing the kernel's graphics subsystem

On Mon, 2007-05-21 at 17:51 -0700, Keith Packard wrote:
> 
> That's the plan; the kernel just provides mechanism. The architecture
> used in the X server splits precisely at this point with the mechanism
> in the driver and the configuration and policy up in the X server
> proper. Quite a bit of that code could be broken out into a shared
> library for fbdev-based apps and the X server to share, but that's
> down the road a bit after the kernel APIs look a lot more solid.

Ok, good plan then.

> With the goal of getting to a single-mode-set boot to avoid screen
> flashing before login, the key here is to make any early user-mode
> graphics apps share the same kernel graphics infrastructure as the X
> server to identify the common cases where the startup and X modes are
> the same and avoid resetting the configuration.

Ok. Fair enough.

Cheers,
Ben.


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