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

Browse source

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>

...

This commit is contained in:

Chris Wilson 2012-04-24 21:48:47 +01:00 • committed by Daniel Vetter

parent 97e1930f09

commit 7338aefa5c

2 changed files with 25 additions and 19 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

41

drivers/gpu/drm/i915/intel_ringbuffer.c

View file

3

drivers/gpu/drm/i915/intel_ringbuffer.h

View file