Unverified Commit c91b5bd7 authored by Lucas Stach's avatar Lucas Stach Committed by Robert Foss
Browse files

drm/rockchip: analogix_dp: add runtime PM handling 



Hook up the runtime PM suspend/resume paths to make the rockchip
glue behave more like the exynos one. The same suspend/resume
functions are used for system sleep via the runtime PM force
suspend/resume.

Signed-off-by: default avatarLucas Stach <l.stach@pengutronix.de>
Reviewed-by: default avatarRobert Foss <rfoss@kernel.org>
Reviewed-by: default avatarHeiko Stuebner <heiko@sntech.de>
Tested-by: default avatarHeiko Stuebner <heiko@sntech.de>
Signed-off-by: default avatarRobert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240619182200.3752465-2-l.stach@pengutronix.de
parent 6d4618ad

drivers/gpu/drm/rockchip/analogix_dp-rockchip.c

+4 −9
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
#include <linux/of.h>

#include <linux/of_graph.h>

#include <linux/platform_device.h>

#include <linux/pm_runtime.h>

#include <linux/regmap.h>

#include <linux/reset.h>

#include <linux/clk.h>
@@ -430,7 +431,6 @@ static void rockchip_dp_remove(struct platform_device *pdev) 
	analogix_dp_remove(dp->adp);

}



#ifdef CONFIG_PM_SLEEP

static int rockchip_dp_suspend(struct device *dev)

{

	struct rockchip_dp_device *dp = dev_get_drvdata(dev);
@@ -450,14 +450,9 @@ static int rockchip_dp_resume(struct device *dev) 


	return analogix_dp_resume(dp->adp);

}

#endif



static const struct dev_pm_ops rockchip_dp_pm_ops = {

#ifdef CONFIG_PM_SLEEP

	.suspend_late = rockchip_dp_suspend,

	.resume_early = rockchip_dp_resume,

#endif

};

static DEFINE_RUNTIME_DEV_PM_OPS(rockchip_dp_pm_ops, rockchip_dp_suspend,

		rockchip_dp_resume, NULL);



static const struct rockchip_dp_chip_data rk3399_edp = {

	.lcdsel_grf_reg = RK3399_GRF_SOC_CON20,
@@ -485,7 +480,7 @@ struct platform_driver rockchip_dp_driver = { 
	.remove_new = rockchip_dp_remove,

	.driver = {

		   .name = "rockchip-dp",

		   .pm = &rockchip_dp_pm_ops,

		   .pm = pm_ptr(&rockchip_dp_pm_ops),

		   .of_match_table = rockchip_dp_dt_ids,

	},

};