Re: [Intel-gfx] [PATCH] drm/i915: Avoid tweaking RPS before it is enabled

2013-10-10 Thread Daniel Vetter
On Thu, Oct 10, 2013 at 02:06:02PM -0700, Jesse Barnes wrote: > On Thu, 10 Oct 2013 21:58:50 +0100 > Chris Wilson wrote: > > > As we delay the initial RPS enabling (upon boot and after resume), there > > is a chance that we may start to render and trigger RPS boosts before we > > set up the punit

Re: [Intel-gfx] [PATCH] drm/i915: Avoid tweaking RPS before it is enabled

2013-10-10 Thread Jesse Barnes
On Thu, 10 Oct 2013 21:58:50 +0100 Chris Wilson wrote: > As we delay the initial RPS enabling (upon boot and after resume), there > is a chance that we may start to render and trigger RPS boosts before we > set up the punit. Any changes we make could result in inconsistent > hardware state, with

[Intel-gfx] [PATCH] drm/i915: Avoid tweaking RPS before it is enabled

2013-10-10 Thread Chris Wilson
As we delay the initial RPS enabling (upon boot and after resume), there is a chance that we may start to render and trigger RPS boosts before we set up the punit. Any changes we make could result in inconsistent hardware state, with a danger of causing undefined behaviour. However, as the boosting