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

[Alex Deucher]

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

>
> 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
>>>> >
>>>> >