[PATCH 1/2] drm/vc4: Account for interrupts in flight
eric at anholt.net
Mon Nov 13 16:59:57 PST 2017
Stefan Schake <stschake at gmail.com> writes:
> Synchronously disable the IRQ to make the following cancel_work_sync
> invocation effective.
> An interrupt in flight could enqueue further overflow mem work. As we
> free the binner BO immediately following vc4_irq_uninstall this caused
> a NULL pointer dereference in the work callback vc4_overflow_mem_work.
> Link: https://github.com/anholt/linux/issues/114
> Signed-off-by: Stefan Schake <stschake at gmail.com>
> Fixes: d5b1a78a772f ("drm/vc4: Add support for drawing 3D frames.")
Reviewed and applied this one. Thanks!
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