drm/exynos: g2d: move PM management to runqueue worker

Do all pm_runtime_{get,put}() calls in the runqueue worker.
Also keep track of the engine's idle/busy state.

Signed-off-by: Tobias Jakobi <tjakobi@math.uni-bielefeld.de>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Tobias Jakobi 2016-09-27 17:50:07 +02:00 • committed by Inki Dae
commit 22d6704dd4