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

[Jerome Glisse]

On Mon, Jul 9, 2012 at 11:59 AM, Michel Dänzer <michel at daenzer.net> wrote:
> 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>
>

Patch 1-9 are
Reviewed-by: Jerome Glisse <jglisse at redhat.com>

Other looks good but i want to test them too and spend a bit more time
to double check few things. Will try to do that tomorrow.

Cheers,
Jerome