diff --git a/drivers/gpu/drm/bridge/parade-ps8640.c b/drivers/gpu/drm/bridge/parade-ps8640.c
index 345bb2b4e15d3d177ab4ea9b07b55d87266f89bc..26898042ba3d7ac65111b1ad001be00bb6a9a23c 100644
--- a/drivers/gpu/drm/bridge/parade-ps8640.c
+++ b/drivers/gpu/drm/bridge/parade-ps8640.c
@@ -634,13 +634,13 @@ static int ps8640_probe(struct i2c_client *client)
 	pm_runtime_enable(dev);
 	/*
 	 * Powering on ps8640 takes ~300ms. To avoid wasting time on power
-	 * cycling ps8640 too often, set autosuspend_delay to 500ms to ensure
+	 * cycling ps8640 too often, set autosuspend_delay to 1000ms to ensure
 	 * the bridge wouldn't suspend in between each _aux_transfer_msg() call
 	 * during EDID read (~20ms in my experiment) and in between the last
 	 * _aux_transfer_msg() call during EDID read and the _pre_enable() call
 	 * (~100ms in my experiment).
 	 */
-	pm_runtime_set_autosuspend_delay(dev, 500);
+	pm_runtime_set_autosuspend_delay(dev, 1000);
 	pm_runtime_use_autosuspend(dev);
 	pm_suspend_ignore_children(dev, true);
 	ret = devm_add_action_or_reset(dev, ps8640_runtime_disable, dev);