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(parent: fe0c493) | patch
drm/i915: Allow init_breadcrumbs to be used from irq context
authorChris Wilson <chris@chris-wilson.co.uk>
Fri, 18 May 2018 09:02:12 +0000 (10:02 +0100)
committerChris Wilson <chris@chris-wilson.co.uk>
Sat, 19 May 2018 11:50:58 +0000 (12:50 +0100)
commit2399a4a6f5dff645d7890135db1c965592e1b8f3
treea1f2fb5e7de7db618a23f54dc20ed81d97c7671etree | snapshot
parentfe0c493538f42ee1cbc4701dc6f9eb2b82d856cfcommit | diff
drm/i915: Allow init_breadcrumbs to be used from irq context

In order to support engine reset from irq (timer) context, we need to be
able to re-initialise the breadcrumbs. So we need to promote the plain
spin_lock_irq to a safe spin_lock_irqsave.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180518090212.5349-3-chris@chris-wilson.co.uk
drivers/gpu/drm/i915/intel_breadcrumbs.c diff | blob | history
Domain: System / Kernel;