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drm/panel-edp: Don't re-read the EDID every time we power off the panel 

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
This commit is contained in:
Douglas Anderson 2021-09-14 13:22:01 -07:00
parent a64ad9c3e4
commit 24e27de115
1 changed files with 3 additions and 3 deletions
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6
drivers/gpu/drm/panel/panel-edp.c
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@ -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;
}