drm/bridge/parade-ps8640: Extend autosuspend

Same change as done for panel-samsung-atna33xc20. Extend the autosuspend
delay to avoid oscillating between power status during boot.

Signed-off-by: Drew Davenport <ddavenport@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20221117133655.4.If6153da69ec4bc9e83d5f095ef6e6b07283940a5@changeid

diff --git a/drivers/gpu/drm/bridge/parade-ps8640.c b/drivers/gpu/drm/bridge/parade-ps8640.c
index 6a614e5..f74090a 100644 (file)
--- a/drivers/gpu/drm/bridge/parade-ps8640.c
+++ b/drivers/gpu/drm/bridge/parade-ps8640.c
@@ -734,13 +734,13 @@ 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 1000ms to ensure
+        * cycling ps8640 too often, set autosuspend_delay to 2000ms 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, 1000);
+       pm_runtime_set_autosuspend_delay(dev, 2000);
        pm_runtime_use_autosuspend(dev);
        pm_suspend_ignore_children(dev, true);
        ret = devm_add_action_or_reset(dev, ps8640_runtime_disable, dev);