Bug#456219: xserver-xorg-video-intel: causes excessive interrupts with compiz
On Fri, Dec 14, 2007 at 11:21:06AM +0100, Michel Dänzer wrote:
> reassign 456219 linux-2.6
> kthxbye
>
> On Thu, 2007-12-13 at 18:58 +0000, brian m. carlson wrote:
> >
> > According to [0], the graphics driver uses an interrupt for OpenGL
> > compatibility. On my machine, that results in approximately 70 wakeups
> > per second when idle, if I use compiz.
> >
> > Please fix the driver so it does not need this interrupt anymore, which
> > will save power. I realize this will not be fixed immediately, but
> > please report this upstream if it has not been already.
>
> A fix is already available in the upstream drm Git branch vblank-rework.
> It's almost ready to be merged to the master branch (and consequently to
> the Linux kernel) but there are still some issues to be worked out.
>
> I don't think the X driver can handle this better, so I'm reassigning to
> the kernel.
The DRM changes have been merged in 2.6.27.
Cheers,
Moritz
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