[PATCH v5 31/36] drm/rockchip: Cancel PSR enable work before changing the state

From: Tomasz Figa If we change the state first and reschedule later, we might have the work executed according to previous scheduled time and end up with PSR re-enabled instantly. Let's cancel the work before changing the state. While at it, consolidate psr_disable_handler()

[PATCH v5 31/36] drm/rockchip: Cancel PSR enable work before changing the state

From: Tomasz Figa If we change the state first and reschedule later, we might have the work executed according to previous scheduled time and end up with PSR re-enabled instantly. Let's cancel the work before changing the state. While at it, consolidate psr_disable_handler() to just call