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0510-drm-panel-simple-Add-missing-panel_simple_...
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File 0510-drm-panel-simple-Add-missing-panel_simple_unprepare-.patch of Package drm.7971
From 25abe3a9585eeadbbb65851c2082f232f1b6ee40 Mon Sep 17 00:00:00 2001 From: Jonathan Liu <net147@gmail.com> Date: Mon, 7 Aug 2017 21:55:45 +1000 Subject: [PATCH] drm/panel: simple: Add missing panel_simple_unprepare() calls commit f3621a8eb59a913612c8e6e37d81f16b649f8b6c upstream. During panel removal or system shutdown panel_simple_disable() is called which disables the panel backlight but the panel is still powered due to missing calls to panel_simple_unprepare(). Fixes: d02fd93e2cd8 ("drm/panel: simple - Disable panel on shutdown") Signed-off-by: Jonathan Liu <net147@gmail.com> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://patchwork.freedesktop.org/patch/msgid/20170807115545.27747-1-net147@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/gpu/drm/panel/panel-simple.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -369,6 +369,7 @@ static int panel_simple_remove(struct de drm_panel_remove(&panel->base); panel_simple_disable(&panel->base); + panel_simple_unprepare(&panel->base); if (panel->ddc) put_device(&panel->ddc->dev); @@ -384,6 +385,7 @@ static void panel_simple_shutdown(struct struct panel_simple *panel = dev_get_drvdata(dev); panel_simple_disable(&panel->base); + panel_simple_unprepare(&panel->base); } static const struct drm_display_mode ampire_am800480r3tmqwa1h_mode = {
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