[PATCH 0/5] A couple more present fixes

Michel Dänzer michel at daenzer.net
Mon Dec 2 19:40:26 PST 2013


On Don, 2013-11-21 at 10:16 -0500, Alex Deucher wrote:
> On Thu, Nov 21, 2013 at 1:12 AM, Keith Packard <keithp at keithp.com> wrote:
> > Alex Deucher <alexdeucher at gmail.com> writes:
> >
> >> For anyone interested in fixing this for pre-present xserver, Ilija
> >> fixed it similarly in the ddx for radeon:
> >> http://cgit.freedesktop.org/xorg/driver/xf86-video-ati/commit/?id=6981a5c087165b126c15ba0025cffdba218ab652
> >
> > Nice that this avoids the current run-as-fast-as-possible behavior, I'm
> > wondering if there's some reason not to crank it down to something like
> > the 1Hz rate used in Present?

IIRC changing the MSC frequency would e.g. break some piglit tests if
DPMS happened to be active when they were running. There could be
similar issues with real apps.


-- 
Earthling Michel Dänzer            |                  http://www.amd.com
Libre software enthusiast          |                Mesa and X developer



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