drm/i915/gen4: Extra CRT hotplug paranoia

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.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Adam Jackson 2010-05-24 16:46:29 -04:00 • committed by Eric Anholt
commit 7a772c492f
2 changed files with 14 additions and 8 deletions