tree ab722239c55f3382d77675a63016a3ca46e22b87
parent 97e1930f09e9b656e823cd841cf29bfbbe326832
author Chris Wilson <chris@chris-wilson.co.uk> 1335300527 +0100
committer Daniel Vetter <daniel.vetter@ffwll.ch> 1336036689 +0200

drm/i915: Use a global lock for modifying global irq flags

We were attempting to use a per-ring spinlock whilst modifying global
IRQ flags. A recipe for rare missed interrupts.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>