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(parent: 005770a) | patch
drm/i915: Use a global lock for modifying global irq flags
authorChris Wilson <chris@chris-wilson.co.uk>
Tue, 24 Apr 2012 20:48:47 +0000 (21:48 +0100)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Thu, 3 May 2012 09:18:09 +0000 (11:18 +0200)
commit51b5e5f9b95daddce2d3041af939d12fcc995c2b
treeab722239c55f3382d77675a63016a3ca46e22b87tree | snapshot
parent005770a00f5f23d082b17b29e7c9d9e0beb4cfabcommit | diff
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>
drivers/gpu/drm/i915/intel_ringbuffer.c diff | blob | history
drivers/gpu/drm/i915/intel_ringbuffer.h diff | blob | history
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