[Intel-gfx] [RFC][PATCH 0/2] drm/i915: VLV rps timer changes

Daniel Vetter daniel at ffwll.ch
Tue Jun 25 20:43:25 CEST 2013


On Tue, Jun 25, 2013 at 8:38 PM,  <ville.syrjala at linux.intel.com> wrote:
> Just a few more rps patches for VLV.
>
> I noticed a silly GPU frequency ping-pong effect on an idle GPU due to the
> VLV rps timer. So I figured I'd do something about it, and the second patch
> tries to make sure that the first patch doesn't cause poor performance when
> the GPU becomes busy again.

While you're touching the rps idle work, I think it'd make sense to
have this as part of the idleness tracking in the retire work handler
...
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch



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