drm/msm: use mutex_lock_interruptible for submit ioctl
Be kinder to things that do lots of signal handling (ie. Xorg)
Signed-off-by: Rob Clark <robdclark@gmail.com>
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b137bb4b
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Be kinder to things that do lots of signal handling (ie. Xorg)
Signed-off-by: Rob Clark <robdclark@gmail.com>