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drm/panel: panel-simple: Add missing pm_runtime_disable() calls

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In commit 3235b0f20a ("drm/panel: panel-simple: Use runtime pm to
avoid excessive unprepare / prepare") we started using pm_runtime, but
my patch neglected to add the proper pm_runtime_disable(). Doh! Add
them now.

Fixes: 3235b0f20a ("drm/panel: panel-simple: Use runtime pm to avoid excessive unprepare / prepare")
Reported-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210423095743.v5.1.I9e6af2529d6c61e5daf86a15a1211121c5223b9a@changeid
This commit is contained in:
Douglas Anderson 2021-04-23 09:58:47 -07:00
parent 885811372f
commit 70e1256012
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/panel/panel-simple.c
View file

@ -797,12 +797,14 @@ static int panel_simple_probe(struct device *dev, const struct panel_desc *desc)
err = drm_panel_of_backlight(&panel->base);
if (err)
goto free_ddc;
goto disable_pm_runtime;
drm_panel_add(&panel->base);
return 0;
disable_pm_runtime:
pm_runtime_disable(dev);
free_ddc:
if (panel->ddc)
put_device(&panel->ddc->dev);
@ -818,6 +820,7 @@ static int panel_simple_remove(struct device *dev)
drm_panel_disable(&panel->base);
drm_panel_unprepare(&panel->base);
pm_runtime_disable(dev);
if (panel->ddc)
put_device(&panel->ddc->dev);