Lakshmi Narayana Kalavala 16bfab7ddf disp: msm: sde: turn off/on vblank callbacks as per crtc
Current sde driver allows vblank enable and wait requests
even after crtc is disabled which would eventually lead to
enable of irq and timeouts in caller context. This change fixes
it by updating vblank callback status as 'on' during crtc enable
and shutdowns vblank callbacks before crtc disable is complete.

Change-Id: I9085103ced06e5fad51219f26bd8dd655fa36fea
Signed-off-by: Prabhanjan Kandula <pkandula@codeaurora.org>
Signed-off-by: Lakshmi Narayana Kalavala <lkalaval@codeaurora.org>
2019-04-26 17:03:21 -07:00
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