[Intel-gfx] [PATCH v2 1/4] drm/i915: add warning for unidle GPU

Chris Wilson chris at chris-wilson.co.uk
Sun Sep 25 13:15:18 CEST 2011


On Sun, 25 Sep 2011 12:16:36 +0200, Daniel Vetter <daniel at ffwll.ch> wrote:
> Also it looks like this causes us to no properly idle the gpu on
> suspend/resume. Might fix issues especially on gen2/3 where we put an
> MI_WAIT in front of the flip, hence enlarging the window to up to 20 ms.

This I happen to disagree with as there is an existing bug with not
properly quiescing the GPU (on all gen) when disabling pipes that would
also be hit in this case.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre



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