[PATCH] [Karmic SRU] [Lucid] drm/i915: Fix sync to vblank when VGA output is turned off

[Alberto Milone]

On Wednesday 16 Dec 2009 16:40:13 you wrote:
> Alberto Milone wrote:
> > Hi all,
> >
> > SRU Justification:
> >
> > The problem described in this email was reported in a private OEM bug
> > report for Dell and has been solved by upstream. It's a regression in the
> > drm code which causes a massive system slowdown if we turn off the VGA
> > output.
> >
> > The patch is sane and minimal and is available in the drm-intel branch
> > and in the linux-next branch (see the link to the commit in the bug
> > report).
> >
> > I have applied (and slightly adapted, as it didn't apply cleanly to our
> > lucid and karmic git branches) and tested the patch successfully in
> > Karmic.
> >
> > The integration of this patch is very important for our Dell projects and
> > for the Ubuntu desktop at large.
> >
> > Please include the attached patch in both Karmic and Lucid ASAP.
> >
> > Bug #494461
> >
> > Thanks in advance for your time.
> >
> > Regards,
> 
> Ok, I just submitted a request to put that into stable and would apply
> it prematurely to our Karmic tree. Just one thing: Alberto, can you
> please create a public bug report with the necessary non private
> information in it to understand why this is needed? Thanks
> 
> -Stefan
> 

Hi Stefan,

First of all, thanks for your work.

Bug #439778 is private while bug #494461 is public. If the latter lacks the 
information you need, I'm available to add further details there.

Let me know.

Regards,

-- 
Alberto Milone
Sustaining Engineer (system)
Foundations Team
Canonical OEM Services