[Intel-gfx] [PATCH] drm/i915/bdw: Use timeout mode for RC6 on bdw

[Jani Nikula]

On Tue, 01 Jul 2014, "O'Rourke, Tom" <Tom.O'Rourke at intel.com> wrote:
>>>From: Ben Widawsky [mailto:ben at bwidawsk.net]
>>>Sent: Friday, June 20, 2014 9:43 AM
>>>On Wed, Apr 09, 2014 at 11:44:06AM -0700, Tom O'Rourke wrote:
>>>> Higher RC6 residency is observed using timeout mode instead of EI
>>>> mode.  This applies to Broadwell only.
>>>> The difference is particularly noticeable with video playback.
>>>>
>>>> Issue: VIZ-3778
>>>> Change-Id: I62bb12e21caf19651034826b45cde7f73a80938d
>>>> Signed-off-by: Tom O'Rourke <Tom.O'Rourke at intel.com>
>>>
>>>
>>>Now that CHV is out, does it apply there too?
>>>Reviewed-by: Ben Widawsky <ben at bwidawsk.net>
>>>
>>>[snip]
>>>
>>>
>>>--
>>>Ben Widawsky, Intel Open Source Technology Center
>>[TOR:] For CHV, we expect timeout mode will provide benefit on some pre-
>>production steppings and no benefit on the production stepping.
>
> [TOR:] Can we get this patch merged now that Ben has reviewed?

Pushed to dinq, thanks for the patch and review.

BR,
Jani.


-- 
Jani Nikula, Intel Open Source Technology Center