[Intel-gfx] [PATCH] drm/i915: protect force_wake_(get|put) with the gt_lock

Daniel Vetter daniel at ffwll.ch
Wed Nov 9 17:28:27 CET 2011


On Wed, Nov 09, 2011 at 05:22:00PM +0100, Nicolas Kalkhof wrote:
> Bisecting the kernel proved a little time consuming ;) however with the
> very latest linux.git anf xf86-video-intel the cpu load doesn't seem to
> go up accodring to top. What I can see is that the SNB draws approx
> 10-15 watts more when my system is completely idle. My first thought was
> that rc6 is being disabled but i915_enable_rc6 reports 1. Is there a way
> I can monitor the gpu frequency or its current power state?

cat /sys/kernel/debug/dri/0/i915_cur_delayinfo

atm you can't monitor the rc6 state, our current monitoring code doesn't
work on snb :(

Yours, Daniel
-- 
Daniel Vetter
Mail: daniel at ffwll.ch
Mobile: +41 (0)79 365 57 48



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