diff options
| -rw-r--r-- | drivers/gpu/drm/panel/panel-raydium-rm67191.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/gpu/drm/panel/panel-raydium-rm67191.c b/drivers/gpu/drm/panel/panel-raydium-rm67191.c index 86ca2ea96437..7e9682af063b 100644 --- a/drivers/gpu/drm/panel/panel-raydium-rm67191.c +++ b/drivers/gpu/drm/panel/panel-raydium-rm67191.c @@ -635,6 +635,7 @@ static int rad_panel_probe(struct mipi_dsi_device *dsi) drm_panel_init(&panel->base); panel->base.funcs = &rad_panel_funcs; panel->base.dev = dev; + dev_set_drvdata(dev, panel); ret = drm_panel_add(&panel->base); @@ -672,6 +673,41 @@ static void rad_panel_shutdown(struct mipi_dsi_device *dsi) rad_panel_unprepare(&rad->base); } +#ifdef CONFIG_PM +static int rad_panel_suspend(struct device *dev) +{ + struct rad_panel *rad = dev_get_drvdata(dev); + + if (!rad->reset) + return 0; + + devm_gpiod_put(dev, rad->reset); + rad->reset = NULL; + + return 0; +} + +static int rad_panel_resume(struct device *dev) +{ + struct rad_panel *rad = dev_get_drvdata(dev); + + if (rad->reset) + return 0; + + rad->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(rad->reset)) + rad->reset = NULL; + + return PTR_ERR_OR_ZERO(rad->reset); +} + +#endif + +static const struct dev_pm_ops rad_pm_ops = { + SET_RUNTIME_PM_OPS(rad_panel_suspend, rad_panel_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(rad_panel_suspend, rad_panel_resume) +}; + static const struct of_device_id rad_of_match[] = { { .compatible = "raydium,rm67191", }, { } @@ -682,6 +718,7 @@ static struct mipi_dsi_driver rad_panel_driver = { .driver = { .name = "panel-raydium-rm67191", .of_match_table = rad_of_match, + .pm = &rad_pm_ops, }, .probe = rad_panel_probe, .remove = rad_panel_remove, |