iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drm/rockchip: analogix_dp: add runtime PM handling

Browse Source 
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: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Robert Foss <rfoss@kernel.org>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Robert Foss <rfoss@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240619182200.3752465-2-l.stach@pengutronix.de
This commit is contained in:
Lucas Stach 2024-06-19 20:21:48 +02:00 committed by Robert Foss
parent 6d4618ad04
commit c91b5bd7b1
No known key found for this signature in database
GPG Key ID: 3EFD900F76D1D784
1 changed files with 4 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
drivers/gpu/drm/rockchip/analogix_dp-rockchip.c
View File

@ -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,
},
};