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

[O'Rourke, Tom]

>>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?