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Commit 83bd7b20 authored by Marek Szyprowski's avatar Marek Szyprowski Committed by Inki Dae
Browse files

drm/exynos: gsc: 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: default avatarMarek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
parent 479f1254

drivers/gpu/drm/exynos/exynos_drm_gsc.c

+2 −27
Original line number Diff line number Diff line
@@ -1760,32 +1760,6 @@ static int gsc_remove(struct platform_device *pdev) 
	return 0;

}



#ifdef CONFIG_PM_SLEEP

static int gsc_suspend(struct device *dev)

{

	struct gsc_context *ctx = get_gsc_context(dev);



	DRM_DEBUG_KMS("id[%d]\n", ctx->id);



	if (pm_runtime_suspended(dev))

		return 0;



	return gsc_clk_ctrl(ctx, false);

}



static int gsc_resume(struct device *dev)

{

	struct gsc_context *ctx = get_gsc_context(dev);



	DRM_DEBUG_KMS("id[%d]\n", ctx->id);



	if (!pm_runtime_suspended(dev))

		return gsc_clk_ctrl(ctx, true);



	return 0;

}

#endif



#ifdef CONFIG_PM

static int gsc_runtime_suspend(struct device *dev)

{
@@ -1807,7 +1781,8 @@ static int gsc_runtime_resume(struct device *dev) 
#endif



static const struct dev_pm_ops gsc_pm_ops = {

	SET_SYSTEM_SLEEP_PM_OPS(gsc_suspend, gsc_resume)

	SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,

				pm_runtime_force_resume)

	SET_RUNTIME_PM_OPS(gsc_runtime_suspend, gsc_runtime_resume, NULL)

};