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drm/exynos: Ensure suspended runtime PM state during system suspend

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Add calls to pm_runtime_force_{suspend,resume} as SYSTEM_SLEEP_PM_OPS for
all drivers for the real Exynos DRM hardware modules. This ensures that
the resources will be released for the system PM suspend/resume cycle.
Exynos DRM core already takes care of suspending the whole display pipeline
before PM callbacks of the real devices are called.

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
2018-06-11 14:25:00 +02:00
committed by Inki Dae
parent dc684af6fc
commit 7e915746de
8 changed files with 17 additions and 0 deletions
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drivers/gpu/drm/exynos/exynos_hdmi.c
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@@ -2093,6 +2093,8 @@ static int __maybe_unused exynos_hdmi_resume(struct device *dev)
static const struct dev_pm_ops exynos_hdmi_pm_ops = {
SET_RUNTIME_PM_OPS(exynos_hdmi_suspend, exynos_hdmi_resume, NULL)
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
pm_runtime_force_resume)
};
struct platform_driver hdmi_driver = {