[PATCH 1/3] drm/bridge: microchip-lvds: Revert clk_prepare_enable() in case of failure
From: Claudiu Beznea
Date: Tue Aug 27 2024 - 12:13:01 EST
In case pm_runtime_get_sync() fails the clock remains enabled. Disable
it to save power on this failure scenario.
Fixes: 179b0769fc5f ("drm/bridge: add lvds controller support for sam9x7")
Signed-off-by: Claudiu Beznea <claudiu.beznea@xxxxxxxxx>
---
drivers/gpu/drm/bridge/microchip-lvds.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/bridge/microchip-lvds.c b/drivers/gpu/drm/bridge/microchip-lvds.c
index b8313dad6072..027292ab0197 100644
--- a/drivers/gpu/drm/bridge/microchip-lvds.c
+++ b/drivers/gpu/drm/bridge/microchip-lvds.c
@@ -125,6 +125,7 @@ static void mchp_lvds_enable(struct drm_bridge *bridge)
ret = pm_runtime_get_sync(lvds->dev);
if (ret < 0) {
+ clk_disable_unprepare(lvds->pclk);
dev_err(lvds->dev, "failed to get pm runtime: %d\n", ret);
return;
}
--
2.39.2