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| author | Ondrej Jirman <megous@megous.com> | 2019-10-29 14:28:46 +0300 |
|---|---|---|
| committer | Maxime Ripard <maxime@cerno.tech> | 2019-12-26 12:20:54 +0300 |
| commit | 624b4b48d9d870c2858c016d8709715495409654 (patch) | |
| tree | 7bbe292d7a3efa86b02b3eb2b1c6635c37581815 | |
| parent | 42240c90e3b03deb52c224609e1b2b132ff40f8b (diff) | |
| download | linux-624b4b48d9d870c2858c016d8709715495409654.tar.xz | |
drm: sun4i: Add support for suspending the display driver
Shut down the display engine during suspend.
Signed-off-by: Ondrej Jirman <megous@megous.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20191029112846.3604925-1-megous@megous.com
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun4i_drv.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c index a5757b11b730..5ae67d526b1d 100644 --- a/drivers/gpu/drm/sun4i/sun4i_drv.c +++ b/drivers/gpu/drm/sun4i/sun4i_drv.c @@ -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); |