drm/i915/ringbuffer: Make IRQ refcnting atomic

Browse source

In order to enforce the correct memory barriers for irq get/put, we need
to perform the actual counting using atomic operations.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

...

This commit is contained in:

Chris Wilson 2010-12-13 16:54:50 +00:00

parent 8d5203ca62

commit b13c2b96bf

4 changed files with 56 additions and 46 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

37

drivers/gpu/drm/i915/i915_gem.c

View file

17

drivers/gpu/drm/i915/i915_irq.c

View file

44

drivers/gpu/drm/i915/intel_ringbuffer.c

View file

4

drivers/gpu/drm/i915/intel_ringbuffer.h

View file