On Fri, Dec 18, 2009 at 01:11:45AM -0800, Corbin Simpson wrote:
> >From 7c1de3201bd4e965da7c1d542c46d8b2725bf42d Mon Sep 17 00:00:00 2001
> From: Corbin Simpson <[email protected]>
> Date: Fri, 18 Dec 2009 01:00:57 -0800
> Subject: [PATCH] drivers/radeon/kms: Workaround RV410/R420 CP errata.
> 
> Long story short, this fixes sporadic hardlocks with my rv410 during
> times of intense 2D acceleration (Flash on Fx3).
> 
> Signed-off-by: Corbin Simpson <[email protected]>
> ---

Beside the tab issue you should also avoid to reallocate scratch register
if it was already allocated. Maybe init the scratch to -1 and test for
that. Otherwise after few suspend/resume you won't have scratch reg left.

Cheers,
Jerome

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