Re: [Intel-gfx] [PATCH 16/17] RFM drm/i915: Boost RPS frequency for CPU stalls

2013-08-26 Thread Chris Wilson
On Mon, Aug 26, 2013 at 07:51:08PM -0300, Rodrigo Vivi wrote: > From: Chris Wilson > > If we encounter a situation where the CPU blocks waiting for results > from the GPU, give the GPU a kick to boost its the frequency. > > This should work to reduce user interface stalls and to quickly promote

[Intel-gfx] [PATCH 16/17] RFM drm/i915: Boost RPS frequency for CPU stalls

2013-08-26 Thread Rodrigo Vivi
From: Chris Wilson If we encounter a situation where the CPU blocks waiting for results from the GPU, give the GPU a kick to boost its the frequency. This should work to reduce user interface stalls and to quickly promote mesa to high frequencies - but the cost is that our requested frequency st