[Intel-gfx] [PATCH 1/3] drm/i915: don't block resume on fb console resume

Chris Wilson chris at chris-wilson.co.uk
Mon Oct 15 11:26:38 CEST 2012


On Sun, 14 Oct 2012 19:10:36 -0700, Jesse Barnes <jbarnes at virtuousgeek.org> wrote:
> The console lock can be contended, so rather than prevent other drivers
> after us from being held up, queue the console suspend into the global
> work queue that can happen anytime.  I've measured this to take around
> 200ms on my T420.  Combined with the ring freq/turbo change, we should
> save almost 1/2 a second on resume.

In gneral it looks like the first couple of patches are reflections of
the async-domains work, and would probably be better if we looked more
closely to integrating into that async init/resume infrastructure. The
first patches floating around were to offload attaching inteldrmfb to a
separate thread.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre



More information about the Intel-gfx mailing list