[PATCH] drm/radeon: Always flush VM again on < CIK

[Michel Dänzer]

On 08.08.2014 00:55, Alex Deucher wrote:
> 
> Note that there is no PFP (or CE) on the compute queues so we can't
> use PFP (or CE) for compute.

AFAICT cik_hdp_flush_cp_ring_emit() always uses the PFP though.


> Note also that the engine bit is not always consistent (for some packets 0
> = ME, 1 = PFP and for others 1= ME and 0 = PFP).

Ugh. Then we should probably use explicit *_ENGINE_PFP/ME macros instead
of *_ENGINE(lucky_number). :)


>> On Thu, Aug 7, 2014 at 3:59 PM, Alex Deucher <alexdeucher at gmail.com> wrote:
>>>
>>> We should be using PFP as much as possible.  Does the attached patch help?

Unfortunately not.


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