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

2014-08-25 Thread Daniel Vetter
On Fri, Aug 15, 2014 at 10:57:08PM +0530, Vandana Kannan wrote: > On Aug-07-2014 7:27 PM, Daniel Vetter wrote: > > Hi Vandana, > > > > I think we need to start over from a fresh&clean slate with this part > > - too much changed and all the differen revisions of this patch don't > > provide that mu

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

2014-08-15 Thread Vandana Kannan
On Aug-07-2014 7:27 PM, Daniel Vetter wrote: > Hi Vandana, > > I think we need to start over from a fresh&clean slate with this part > - too much changed and all the differen revisions of this patch don't > provide that much information. > > Also as Chris says this introduces yet another idleness

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

2014-08-07 Thread Daniel Vetter
Hi Vandana, I think we need to start over from a fresh&clean slate with this part - too much changed and all the differen revisions of this patch don't provide that much information. Also as Chris says this introduces yet another idleness detection system, and we already have plenty of them. Hig

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

2014-08-07 Thread Chris Wilson
On Thu, Aug 07, 2014 at 07:15:15PM +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 plan

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

2014-08-07 Thread Vandana Kannan
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-di