[Intel-gfx] [PATCH] KMS: Do the actual mode setting from asynchronous context

Jesse Barnes jbarnes at virtuousgeek.org
Fri Mar 27 23:57:54 CET 2009


On Mon, 23 Mar 2009 13:46:23 -0700
Arjan van de Ven <arjan at infradead.org> wrote:

> >From dfe256fc9d28f240f1a84fb4c3dfed4a4e18d5d4 Mon Sep 17 00:00:00
> >2001
> From: Arjan van de Ven <arjan at linux.intel.com>
> Date: Mon, 23 Mar 2009 13:32:47 -0700
> Subject: [PATCH] KMS: Do the actual mode setting from asynchronous
> context
> 
> The mode setting (and the expensive part of mode detection) can take
> quite a bit of time, and will delay the kernel boot quite a bit.
> 
> This patch puts these two parts into async context, so that the
> normal execution of the system continues while the slow hardware
> probing and poking happens.

I'm curious if the patch I recently posted to add the idea of a primary
head to the driver have a similar effect?  It avoids probing secondary
connectors if the primary one is found, so it should provide the same
speedup as this one.

-- 
Jesse Barnes, Intel Open Source Technology Center



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