tree ddb5bdc7770c2a386bfdf78f0463d8e1c228c9f4
parent 5b6ef08e4b4e1bcb6b3ac4172c054e4462e2c767
author Rob Clark <robdclark@gmail.com> 1389474719 -0500
committer Rob Clark <robdclark@gmail.com> 1396276065 -0400

drm/msm: spin helper

Helper macro to simplify places where we need to poll with timeout
waiting for gpu.

Signed-off-by: Rob Clark <robdclark@gmail.com>