[RFC] drm/radeon: restoring ring commands in case of a lockup

[Michel Dänzer]

On Mon, 2012-07-09 at 12:41 +0200, Christian König wrote: 
> Hi,
> 
> The following patchset tries to save and restore the not yet processed commands
> from the rings in case of a lockup and with that should make a userspace
> problem with a single application far less problematic.
> 
> The first four patches are just stuff this patchset is based upon, followed by
> four patches which fix various bugs found while working on this feature.
> 
> Followed by patches which change the way how memory is saved/restored on
> suspend/resume, basically before we have unpinned most of the buffer objects so
> it could be move from vram into system memory. But that is mostly unnecessary
> cause the buffer object either are already in system memory or their content
> can be easily reinitialized.
> 
> The last three patches implement the actual tracking and restoring of commands
> in case of a lockup. Please take a look and review.

Patches 3, 5 and 14 are

Reviewed-by: Michel Dänzer <michel.daenzer at amd.com>


-- 
Earthling Michel Dänzer           |                   http://www.amd.com
Libre software enthusiast         |          Debian, X and DRI developer