[Intel-gfx] [PATCH] drm/i915/gen4: Extra CRT hotplug paranoia

[Andrew Lutomirski]

On Mon, May 24, 2010 at 4:46 PM, Adam Jackson <ajax at redhat.com> wrote:
> Disable the CRT plug interrupt while doing the force cycle, explicitly
> clear any CRT interrupt we may have generated, and restore when done.
> Should mitigate interrupt storms from hotplug detection.
>

Is there any locking in here to protect PORT_HOTPLUG_EN?  I'm asking
because I *still* can't use mainline kernels reliably without
commenting out digital output initialization, and that's one place
where a bug might be lurking.

--Andy