[PATCH 1/3] drm/radeon: stop poisoning the GART TLB

[Michel Dänzer]

On 25.06.2014 12:59, Michel Dänzer wrote:
> On 24.06.2014 19:14, Christian König wrote:
>> Am 24.06.2014 08:49, schrieb Michel Dänzer:
>>> On 23.06.2014 18:56, Christian König wrote:
>>>> Am 23.06.2014 10:15, schrieb Michel Dänzer:
>>>>> On 19.06.2014 18:45, Christian König wrote:
>>>>>
>>>>>> I think even when we revert to the old code we have a couple of
>>>>>> unsolved
>>>>>> problems with the VM support or in the driver in general where we
>>>>>> should
>>>>>> try to understand the underlying reason for it instead of applying
>>>>>> more
>>>>>> workarounds.
>>>>> I'm not suggesting applying more workarounds but going back to a known
>>>>> more stable state. It seems like we've maneuvered ourselves to a rather
>>>>> uncomfortable position from there, with no clear way to a better place.
>>>>> But if we basically started from the 3.14 state again, we have a few
>>>>> known hurdles like mine and Marek's Bonaire etc. which we know any
>>>>> further improvements will have to pass before they can be considered
>>>>> for
>>>>> general consumption.
>>>> Yeah agree, especially on the uncomfortable position.
>>>>
>>>> Please try with the two attached patches applied on top of 3.15 and
>>>> retest. They should revert back to the old implementation.
>>> Unfortunately, X fails to start with these, see the attached excerpt
>>> from dmesg.
>>
>> My fault, incorrectly solved a merge conflict and then failed to test
>> the right kernel.
>>
>> [...]
>> 
>> Please try attached patches instead,
> 
> With these patches, 3.15 just survived two piglit runs on my Bonaire,
> one with the GART poisoning fix and one without. It never survived a
> single run before.
> 
> Acked-and-Tested-by: Michel Dänzer <michel.daenzer at amd.com>

So, are these patches going to 3.16 and 3.15?


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