[Intel-gfx] [PATCH 4/5] drm/i915: Idleness detection for DRRS

[Vandana Kannan]

On Dec-17-2013 5:59 PM, Chris Wilson wrote:
> On Tue, Dec 17, 2013 at 10:58:26AM +0530, Vandana Kannan wrote:
>> Adding support to detect display idleness by tracking page flip from
>> user space. Switch to low refresh rate is triggered after 2 seconds of
>> idleness. The delay is configurable. If there is a page flip or call to
>> update the plane, then high refresh rate is applied.
>> The feature is not used in dual-display mode.
> 
> Looks very inconsistent next to intel_fbc_disable/intel_fbc_update.
> -Chris
> 
We have implemented this in a way that it is similar to fbc
implementation. Could you explain some more about your review comment?