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Message-Id: <20221117133655.4.If6153da69ec4bc9e83d5f095ef6e6b07283940a5@changeid>
Date: Thu, 17 Nov 2022 13:38:47 -0700
From: Drew Davenport <ddavenport@...omium.org>
To: dri-devel@...ts.freedesktop.org
Cc: dianders@...omium.org, Drew Davenport <ddavenport@...omium.org>,
Andrzej Hajda <andrzej.hajda@...el.com>,
Daniel Vetter <daniel@...ll.ch>,
David Airlie <airlied@...il.com>,
Jernej Skrabec <jernej.skrabec@...il.com>,
Jonas Karlman <jonas@...boo.se>,
Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
Neil Armstrong <neil.armstrong@...aro.org>,
Robert Foss <robert.foss@...aro.org>,
linux-kernel@...r.kernel.org
Subject: [PATCH 4/5] 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@...omium.org>
---
drivers/gpu/drm/bridge/parade-ps8640.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
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);
--
2.38.1.584.g0f3c55d4c2-goog
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