[Intel-gfx] [PATCH 16/20] drm/i915: Ensure that while(INREG()) are bounded (v2)

[Chris Wilson]

On Tue, 21 Sep 2010 16:22:00 +0200, "Carlos R. Mafra" <crmafra2 at gmail.com> wrote:
> [    0.954724] ACPI: Battery Slot [BAT0] (battery present)
> [    2.266008] [drm:intel_lvds_set_power] *ERROR* timed out waiting to enable LVDS pipeConsole: switching to colour frame buffer device 160x50
> [    2.274860] fb0: inteldrmfb frame buffer device
> 
> But I have this 1+ sec gap in there for as long as I remember.
> 
> Full dmesg is here:
> http://www.aei.mpg.de/~crmafra/dmesg-2.6.36-rc5.txt
> 
> Is there anything else I can provide to help this?
> I would love to get rid of the 1 sec delay there :-)

Sure. Try

  git://git.kernel.org/pub/scm/linux/kernel/git/ickle/drm-intel.git
  drm-intel-next

which tries to avoid that busy spin.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre