[PATCH 1/3] drm: add helper to check for wc memory support

[Oded Gabbay]

On Wed, Feb 3, 2016 at 3:53 PM, Alex Deucher <alexdeucher at gmail.com> wrote:
> On Wed, Feb 3, 2016 at 3:17 AM, Oded Gabbay <oded.gabbay at gmail.com> wrote:
>> On Tue, Feb 2, 2016 at 5:07 PM, Alex Deucher <alexdeucher at gmail.com> wrote:
>>> On Tue, Feb 2, 2016 at 7:01 AM, Oded Gabbay <oded.gabbay at gmail.com> wrote:
>>>> On Mon, Feb 1, 2016 at 7:01 PM, Alex Deucher <alexdeucher at gmail.com> wrote:
>>>>>
>>>>> On Sat, Jan 30, 2016 at 4:57 AM, Christian König
>>>>> <deathsimple at vodafone.de> wrote:
>>>>> > Am 30.01.2016 um 06:59 schrieb Oded Gabbay:
>>>>> >>
>>>>> >> From: Dave Airlie <airlied at redhat.com>
>>>>> >>
>>>>> >> Signed-off-by: Dave Airlie <airlied at redhat.com>
>>>>> >> Signed-off-by: Oded Gabbay <oded.gabbay at gmail.com>
>>>>> >
>>>>> >
>>>>> > With the minor issues Michel noted fixed this series is Reviewed-by:
>>>>> > Christian König <christian.koenig at amd.com> as well.
>>>>>
>>>>> Applied with the comments fixed up.  Thanks!
>>>>>
>>>>> Alex
>>>>>
>>>>
>>>> Hi Alex,
>>>> Could you please add stable tag ? I forgot to add them.
>>>
>>> Will do.
>>>
>>> Alex
>>
>> Thanks.
>>
>> Alex,
>> I saw you put the patches into your drm-next-4.6.
>> As these are fixes, any chance you could instead put them to
>> drm-fixes-4.5 ? for -rc3/4 ?
>
> They'll be in my -fixes pull this week.  I put them in my 4.6-wip tree
> for additional testing.
>
> Alex
>
ah, great.
Thanks again
Oded

>>
>> Oded
>>
>>>
>>>> Thanks,
>>>>
>>>>        Oded
>>>>
>>>>
>>>>>
>>>>> >
>>>>> >
>>>>> >> ---
>>>>> >>   include/drm/drm_cache.h | 9 +++++++++
>>>>> >>   1 file changed, 9 insertions(+)
>>>>> >>
>>>>> >> diff --git a/include/drm/drm_cache.h b/include/drm/drm_cache.h
>>>>> >> index 7bfb063..461a055 100644
>>>>> >> --- a/include/drm/drm_cache.h
>>>>> >> +++ b/include/drm/drm_cache.h
>>>>> >> @@ -35,4 +35,13 @@
>>>>> >>     void drm_clflush_pages(struct page *pages[], unsigned long num_pages);
>>>>> >>   +static inline bool drm_arch_can_wc_memory(void)
>>>>> >> +{
>>>>> >> +#if defined(CONFIG_PPC) && !defined(CONFIG_NOT_COHERENT_CACHE)
>>>>> >> +       return false;
>>>>> >> +#else
>>>>> >> +       return true;
>>>>> >> +#endif
>>>>> >> +}
>>>>> >> +
>>>>> >>   #endif
>>>>> >
>>>>> >