msm_fb: Make Vsync IOCTL during disable sequence as NO WAIT
Change to make the vsync IOCTL no wait during the disable sequence. This is to increase the performance. Handle the synchronization of vsync interrupt using state variables in drivers from now. Change-Id: Ia5ec14493f233a95f21d01ea627200a6c278239f Signed-off-by:Padmanabhan Komanduru <pkomandu@codeaurora.org> Signed-off-by:
Siddhartha Agrawal <agrawals@codeaurora.org>
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