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

Christian König deathsimple at vodafone.de
Tue Aug 12 02:05:51 PDT 2014


Am 11.08.2014 um 17:00 schrieb Alex Deucher:
> 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.

Unfortunately not, so apply the patch for now.

Christian.

>
> Alex
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