linux-kernel - [PATCH 5/5] drm/exynos: Convert to suspend_late/resume

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Date:	Wed, 27 Nov 2013 16:35:00 +0100
From:	Ulf Hansson <ulf.hansson@...aro.org>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
	linux-pm@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Ulf Hansson <ulf.hansson@...aro.org>,
	David Airlie <airlied@...ux.ie>,
	Kukjin Kim <kgene.kim@...sung.com>,
	linux-samsung-soc@...r.kernel.org,
	Kevin Hilman <khilman@...aro.org>,
	Alan Stern <stern@...land.harvard.edu>
Subject: [PATCH 5/5] drm/exynos: Convert to suspend_late/resume_early callbacks for fimc

To simplify code for system suspend, convert the .suspend|resume
callbacks into .suspend_late|resume_early. In general this could be
convenient for any driver that supports both system PM and runtime PM.

Move the runtime PM callbacks to be implemented within CONFIG_PM, to
make them available for system PM.

Use pm_generic_suspend_late_runtime and pm_generic_resume_early_runtime
as the new callbacks.

Cc: David Airlie <airlied@...ux.ie>
Cc: Kukjin Kim <kgene.kim@...sung.com>
Cc: linux-samsung-soc@...r.kernel.org
Cc: Kevin Hilman <khilman@...aro.org>
Cc: Alan Stern <stern@...land.harvard.edu>
Cc: Rafael J. Wysocki <rjw@...ysocki.net>
Cc: Pavel Machek <pavel@....cz>
Cc: Len Brown <len.brown@...el.com>
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
---
 drivers/gpu/drm/exynos/exynos_drm_fimc.c |   33 ++++--------------------------
 1 file changed, 4 insertions(+), 29 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
index 8adfc8f..7aa17a3 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
@@ -1888,33 +1888,7 @@ static int fimc_remove(struct platform_device *pdev)
 	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
-
-#ifdef CONFIG_PM_RUNTIME
+#ifdef CONFIG_PM
 static int fimc_runtime_suspend(struct device *dev)
 {
 	struct fimc_context *ctx = get_fimc_context(dev);
@@ -1935,8 +1909,9 @@ 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_RUNTIME_PM_OPS(fimc_runtime_suspend, fimc_runtime_resume, NULL)
+	SET_LATE_SYSTEM_SLEEP_PM_OPS(pm_generic_suspend_late_runtime,
+				pm_generic_resume_early_runtime)
+	SET_PM_RUNTIME_PM_OPS(fimc_runtime_suspend, fimc_runtime_resume, NULL)
 };
 
 static const struct of_device_id fimc_of_match[] = {
-- 
1.7.9.5

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