drm/exynos: fimc: 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>

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
index 0525c56145db194c81297b6669e31d6e62aa61f3..147ef0d298cb0788ef391932d741ad4edbfedb93 100644 (file)
--- 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)
 };