drm/exynos: add pm_runtime to Mixer
authorGustavo Padovan <gustavo.padovan@collabora.co.uk>
Fri, 4 Sep 2015 20:15:46 +0000 (17:15 -0300)
committerInki Dae <daeinki@gmail.com>
Sun, 13 Dec 2015 13:22:45 +0000 (22:22 +0900)
commitccf034a9adb7aaca2ee8e5433f80191090f7d923
tree1100fff10635cbdfbefbb0da9770b1916a0859bb
parentf28464c3320c8bc2bc4611c5a1578458c80588a2
drm/exynos: add pm_runtime to Mixer

Let pm_runtime handle the enabling/disabling of the device with proper
refcnt instead of rely on specific flags to track the enabled state.

Changelog v2:
- revive MXR_BIT_POWERED flag to keep current dpms mode.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
drivers/gpu/drm/exynos/exynos_mixer.c