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 at samsung.com>
---
 drivers/gpu/drm/exynos/exynos_drm_fimc.c | 29 ++---------------------------
 1 file changed, 2 insertions(+), 27 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c 
b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
index 0525c56145db..147ef0d298cb 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
@@ -1753,32 +1753,6 @@ static int fimc_clk_ctrl(struct fimc_context *ctx, bool 
enable)
        return 0;
 }

-#ifdef CONFIG_PM_SLEEP
-static int fimc_suspend(struct device *dev)
-{
-       struct fimc_context *ctx = get_fimc_context(dev);
-
-       DRM_DEBUG_KMS("id[%d]\n", ctx->id);
-
-       if (pm_runtime_suspended(dev))
-               return 0;
-
-       return fimc_clk_ctrl(ctx, false);
-}
-
-static int fimc_resume(struct device *dev)
-{
-       struct fimc_context *ctx = get_fimc_context(dev);
-
-       DRM_DEBUG_KMS("id[%d]\n", ctx->id);
-
-       if (!pm_runtime_suspended(dev))
-               return fimc_clk_ctrl(ctx, true);
-
-       return 0;
-}
-#endif
-
 static int fimc_runtime_suspend(struct device *dev)
 {
        struct fimc_context *ctx = get_fimc_context(dev);
@@ -1799,7 +1773,8 @@ static int fimc_runtime_resume(struct device *dev)
 #endif

 static const struct dev_pm_ops fimc_pm_ops = {
-       SET_SYSTEM_SLEEP_PM_OPS(fimc_suspend, fimc_resume)
+       SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+                               pm_runtime_force_resume)
        SET_RUNTIME_PM_OPS(fimc_runtime_suspend, fimc_runtime_resume, NULL)
 };

-- 
1.9.1

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