[PATCH v2 4/6] drm/panel-simple: Don't re-read the EDID every time we power off the panel

Douglas Anderson dianders at chromium.org
Fri Jul 30 21:26:23 UTC 2021


The simple-panel driver is for panels that are not hot-pluggable at
runtime. Let's keep our cached EDID around until driver unload.

Signed-off-by: Douglas Anderson <dianders at chromium.org>
---

(no changes since v1)

 drivers/gpu/drm/panel/panel-simple.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index ff8b59471c71..b06bf30c65d0 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -350,9 +350,6 @@ static int panel_simple_suspend(struct device *dev)
 	regulator_disable(p->supply);
 	p->unprepared_time = ktime_get();
 
-	kfree(p->edid);
-	p->edid = NULL;
-
 	return 0;
 }
 
@@ -834,6 +831,9 @@ static int panel_simple_remove(struct device *dev)
 	if (panel->ddc && (!panel->aux || panel->ddc != &panel->aux->ddc))
 		put_device(&panel->ddc->dev);
 
+	kfree(panel->edid);
+	panel->edid = NULL;
+
 	return 0;
 }
 
-- 
2.32.0.554.ge1b32706d8-goog



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