msm_fb: display: check active queue before signal timeline
This patch make sure active queue is not empty before signal
timeline.
Crs-fixed: 453745
Change-Id: I450c0923a67bdc90d06249e3ba83edb0b3b4b319
Signed-off-by:
Kuogee Hsieh <khsieh@codeaurora.org>
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