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drm/panel-edp: Don't re-read the EDID every time we power off the panel
author
Douglas Anderson
<dianders@chromium.org>
Tue, 14 Sep 2021 20:22:01 +0000
(13:22 -0700)
committer
Douglas Anderson
<dianders@chromium.org>
Mon, 20 Sep 2021 16:24:35 +0000
(09:24 -0700)
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@chromium.org>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link:
https://patchwork.freedesktop.org/patch/msgid/20210914132020.v5.14.Ib810fb3bebd0bd6763e4609e1a6764d06064081e@changeid
drivers/gpu/drm/panel/panel-edp.c
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diff --git
a/drivers/gpu/drm/panel/panel-edp.c
b/drivers/gpu/drm/panel/panel-edp.c
index 3e53be63cf2a2dee8f97f24cf57993ced4223477..f01497d1a8c7f4740e26caffbc14ec2c2a803cf9 100644
(file)
--- a/
drivers/gpu/drm/panel/panel-edp.c
+++ b/
drivers/gpu/drm/panel/panel-edp.c
@@
-362,9
+362,6
@@
static int panel_edp_suspend(struct device *dev)
regulator_disable(p->supply);
p->unprepared_time = ktime_get();
- kfree(p->edid);
- p->edid = NULL;
-
return 0;
}
@@
-758,6
+755,9
@@
static int panel_edp_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;
}