From: Drew Davenport Date: Thu, 17 Nov 2022 20:38:47 +0000 (-0700) Subject: drm/bridge/parade-ps8640: Extend autosuspend X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b1d2751c2f238ce448f43c5664496f7f41d7d0b9;p=linux.git 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 Reviewed-by: Douglas Anderson Signed-off-by: Douglas Anderson 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 6a614e54b383c..f74090a9cc9e8 100644 --- 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);