[Intel-gfx] [PATCH] Revert "drm/i915/chv: Use timeout mode for RC6 on chv"

Daniel Vetter daniel at ffwll.ch
Wed Jan 21 09:40:09 PST 2015


On Wed, Jan 21, 2015 at 07:14:01PM +0200, Jani Nikula wrote:
> On Mon, 12 Jan 2015, Rodrigo Vivi <rodrigo.vivi at intel.com> wrote:
> > This reverts commit 5a0afd4b78ec23f27f5d486ac3d102c2e8d66bd7.
> >
> > Although timeout mode allows higher residency it impact badly on performance.
> > I believe while we don't have a way to balance between performance and
> > power savings at runtime I believe we have to revert and prioritize
> > performance that was impacted a lot.
> >
> > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88103
> 
> The bug points at [1] as a potential fix.
> 
> BR,
> Jani.
> 
> 
> [1] http://mid.gmane.org/1421668253-18641-4-git-send-email-ville.syrjala@linux.intel.com

I've merged both Rodrigo's revert and Ville's fix + revert of the revert
already. But didn't send out mails because no smtp at lca.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch


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