drm/msm/sde: refer to IRQ state when enable/disable AD IRQ
When enable/disable AD interrupt, check the current state of the
IRQ to avoid multiple enable/disable operation.
Change-Id: I8d498fe8c25d7e1eef990da3f7844cc6be93ce5b
Signed-off-by:
Xu Yang <yangxu@codeaurora.org>
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