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Commit 7e915746 authored by Marek Szyprowski's avatar Marek Szyprowski Committed by Inki Dae
Browse files

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



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: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
parent dc684af6

drivers/gpu/drm/exynos/exynos5433_drm_decon.c

+2 −0
Original line number Diff line number Diff line
@@ -673,6 +673,8 @@ static int exynos5433_decon_resume(struct device *dev) 
static const struct dev_pm_ops exynos5433_decon_pm_ops = {

	SET_RUNTIME_PM_OPS(exynos5433_decon_suspend, exynos5433_decon_resume,

			   NULL)

	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,

				     pm_runtime_force_resume)

};



static const struct of_device_id exynos5433_decon_driver_dt_match[] = {

drivers/gpu/drm/exynos/exynos7_drm_decon.c

+2 −0
Original line number Diff line number Diff line
@@ -832,6 +832,8 @@ static int exynos7_decon_resume(struct device *dev) 
static const struct dev_pm_ops exynos7_decon_pm_ops = {

	SET_RUNTIME_PM_OPS(exynos7_decon_suspend, exynos7_decon_resume,

			   NULL)

	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,

				pm_runtime_force_resume)

};



struct platform_driver decon_driver = {

drivers/gpu/drm/exynos/exynos_dp.c

+3 −0
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 
#include <linux/clk.h>

#include <linux/of_graph.h>

#include <linux/component.h>

#include <linux/pm_runtime.h>

#include <video/of_display_timing.h>

#include <video/of_videomode.h>

#include <video/videomode.h>
@@ -278,6 +279,8 @@ static int exynos_dp_resume(struct device *dev) 


static const struct dev_pm_ops exynos_dp_pm_ops = {

	SET_RUNTIME_PM_OPS(exynos_dp_suspend, exynos_dp_resume, NULL)

	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,

				pm_runtime_force_resume)

};



static const struct of_device_id exynos_dp_match[] = {

drivers/gpu/drm/exynos/exynos_drm_dsi.c

+2 −0
Original line number Diff line number Diff line
@@ -1863,6 +1863,8 @@ static int __maybe_unused exynos_dsi_resume(struct device *dev) 


static const struct dev_pm_ops exynos_dsi_pm_ops = {

	SET_RUNTIME_PM_OPS(exynos_dsi_suspend, exynos_dsi_resume, NULL)

	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,

				pm_runtime_force_resume)

};



struct platform_driver dsi_driver = {

drivers/gpu/drm/exynos/exynos_drm_fimd.c

+2 −0
Original line number Diff line number Diff line
@@ -1192,6 +1192,8 @@ static int exynos_fimd_resume(struct device *dev) 


static const struct dev_pm_ops exynos_fimd_pm_ops = {

	SET_RUNTIME_PM_OPS(exynos_fimd_suspend, exynos_fimd_resume, NULL)

	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,

				pm_runtime_force_resume)

};



struct platform_driver fimd_driver = {