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

Alex Deucher alexdeucher at gmail.com
Mon Aug 11 08:00:49 PDT 2014


On Mon, Aug 11, 2014 at 4:42 AM, Michel Dänzer <michel at daenzer.net> wrote:
> On 08.08.2014 22:34, Alex Deucher wrote:
>> On Fri, Aug 8, 2014 at 9:31 AM, Alex Deucher <alexdeucher at gmail.com> wrote:
>>> On Fri, Aug 8, 2014 at 4:50 AM, Michel Dänzer <michel at daenzer.net> wrote:
>>>> On 08.08.2014 17:44, Christian König wrote:
>>>>>>>> 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.
>>>>>
>>>>> Maybe add a readback of the VM base addr pointer to make sure that the
>>>>> write has really reached the SBRM?
>>>>
>>>> I'm not sure what exactly you're thinking of, but I'm happy to test any
>>>> patches you guys come up with. :)
>>>>
>>>
>>> Maybe some variant of this patch?
>>
>> Ignore that one.  typo.  Try this one instead.
>
> Thanks, but still no luck.

I'm out of ideas at the moment.  I'll apply your patch unless
Christian can think of anything else.

Alex


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