drm: sun4i: Add support for suspending the display driver (624b4b48) · Commits · 戴 / test

drivers/gpu/drm/sun4i/sun4i_drv.c

+22 −0

Original line number	Diff line number	Diff line
		@@ -346,6 +346,27 @@ static int sun4i_drv_add_endpoints(struct device *dev,
		return count;
		}

		#ifdef CONFIG_PM_SLEEP
		static int sun4i_drv_drm_sys_suspend(struct device *dev)
		{
		struct drm_device *drm = dev_get_drvdata(dev);

		return drm_mode_config_helper_suspend(drm);
		}

		static int sun4i_drv_drm_sys_resume(struct device *dev)
		{
		struct drm_device *drm = dev_get_drvdata(dev);

		return drm_mode_config_helper_resume(drm);
		}
		#endif

		static const struct dev_pm_ops sun4i_drv_drm_pm_ops = {
		SET_SYSTEM_SLEEP_PM_OPS(sun4i_drv_drm_sys_suspend,
		sun4i_drv_drm_sys_resume)
		};

		static int sun4i_drv_probe(struct platform_device *pdev)
		{
		struct component_match *match = NULL;
		@@ -418,6 +439,7 @@ static struct platform_driver sun4i_drv_platform_driver = {
		.driver = {
		.name = "sun4i-drm",
		.of_match_table = sun4i_drv_of_table,
		.pm = &sun4i_drv_drm_pm_ops,
		},
		};
		module_platform_driver(sun4i_drv_platform_driver);