On 06.08.2018 21:31, Leonard Crestez wrote: > Since power to the lcdif block can be lost on suspend implement > PM_SLEEP_OPS using drm_mode_config_helper_suspend/resume to save/restore > the current mode. > > Signed-off-by: Leonard Crestez <[email protected]>
Reviewed-by: Stefan Agner <[email protected]> > --- > drivers/gpu/drm/mxsfb/mxsfb_drv.c | 21 +++++++++++++++++++++ > 1 file changed, 21 insertions(+) > > diff --git a/drivers/gpu/drm/mxsfb/mxsfb_drv.c > b/drivers/gpu/drm/mxsfb/mxsfb_drv.c > index 68d79f5dc0d3..d797dfd40d98 100644 > --- a/drivers/gpu/drm/mxsfb/mxsfb_drv.c > +++ b/drivers/gpu/drm/mxsfb/mxsfb_drv.c > @@ -416,17 +416,38 @@ static int mxsfb_remove(struct platform_device *pdev) > drm_dev_unref(drm); > > return 0; > } > > +#ifdef CONFIG_PM_SLEEP > +static int mxsfb_suspend(struct device *dev) > +{ > + struct drm_device *drm = dev_get_drvdata(dev); > + > + return drm_mode_config_helper_suspend(drm); > +} > + > +static int mxsfb_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 mxsfb_pm_ops = { > + SET_SYSTEM_SLEEP_PM_OPS(mxsfb_suspend, mxsfb_resume) > +}; > + > static struct platform_driver mxsfb_platform_driver = { > .probe = mxsfb_probe, > .remove = mxsfb_remove, > .id_table = mxsfb_devtype, > .driver = { > .name = "mxsfb", > .of_match_table = mxsfb_dt_ids, > + .pm = &mxsfb_pm_ops, > }, > }; > > module_platform_driver(mxsfb_platform_driver); _______________________________________________ dri-devel mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/dri-devel
