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drm/exynos: rotator: fix system and runtime pm integration 

Use generic helpers instead of open-coding usage of runtime pm for system
sleep pm, which was potentially broken for some corner cases.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
This commit is contained in:
Marek Szyprowski 2016-08-31 14:55:56 +02:00 committed by Inki Dae
parent 83bd7b20aa
commit 5b67723e60
1 changed files with 2 additions and 24 deletions
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26
drivers/gpu/drm/exynos/exynos_drm_rotator.c
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@ -794,29 +794,6 @@ static int rotator_clk_crtl(struct rot_context *rot, bool enable)
return 0;
}
#ifdef CONFIG_PM_SLEEP
static int rotator_suspend(struct device *dev)
{
struct rot_context *rot = dev_get_drvdata(dev);
if (pm_runtime_suspended(dev))
return 0;
return rotator_clk_crtl(rot, false);
}
static int rotator_resume(struct device *dev)
{
struct rot_context *rot = dev_get_drvdata(dev);
if (!pm_runtime_suspended(dev))
return rotator_clk_crtl(rot, true);
return 0;
}
#endif
static int rotator_runtime_suspend(struct device *dev)
{
struct rot_context *rot = dev_get_drvdata(dev);
@ -833,7 +810,8 @@ static int rotator_runtime_resume(struct device *dev)
#endif
static const struct dev_pm_ops rotator_pm_ops = {
SET_SYSTEM_SLEEP_PM_OPS(rotator_suspend, rotator_resume)
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
pm_runtime_force_resume)
SET_RUNTIME_PM_OPS(rotator_runtime_suspend, rotator_runtime_resume,
NULL)
};