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-rw-r--r--drivers/gpu/drm/i915/intel_display.c3
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c5
-rw-r--r--drivers/gpu/drm/i915/intel_lvds.c1
-rw-r--r--drivers/gpu/drm/i915/intel_panel.c7
4 files changed, 10 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 51871c248d6..7672f3e49df 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -9423,6 +9423,9 @@ void intel_modeset_cleanup(struct drm_device *dev)
/* flush any delayed tasks or pending work */
flush_scheduled_work();
+ /* destroy backlight, if any, before the connectors */
+ intel_panel_destroy_backlight(dev);
+
drm_mode_config_cleanup(dev);
intel_cleanup_overlay(dev);
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 173add1d819..8845e82ec9e 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -2474,17 +2474,14 @@ done:
static void
intel_dp_destroy(struct drm_connector *connector)
{
- struct drm_device *dev = connector->dev;
struct intel_dp *intel_dp = intel_attached_dp(connector);
struct intel_connector *intel_connector = to_intel_connector(connector);
if (!IS_ERR_OR_NULL(intel_connector->edid))
kfree(intel_connector->edid);
- if (is_edp(intel_dp)) {
- intel_panel_destroy_backlight(dev);
+ if (is_edp(intel_dp))
intel_panel_fini(&intel_connector->panel);
- }
drm_sysfs_connector_remove(connector);
drm_connector_cleanup(connector);
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index ca2d903c19b..f36f1baabd5 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -631,7 +631,6 @@ static void intel_lvds_destroy(struct drm_connector *connector)
if (!IS_ERR_OR_NULL(lvds_connector->base.edid))
kfree(lvds_connector->base.edid);
- intel_panel_destroy_backlight(connector->dev);
intel_panel_fini(&lvds_connector->base.panel);
drm_sysfs_connector_remove(connector);
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index 7874cecc286..eb5e6e95f3c 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -428,6 +428,9 @@ int intel_panel_setup_backlight(struct drm_connector *connector)
intel_panel_init_backlight(dev);
+ if (WARN_ON(dev_priv->backlight.device))
+ return -ENODEV;
+
memset(&props, 0, sizeof(props));
props.type = BACKLIGHT_RAW;
props.brightness = dev_priv->backlight.level;
@@ -453,8 +456,10 @@ int intel_panel_setup_backlight(struct drm_connector *connector)
void intel_panel_destroy_backlight(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- if (dev_priv->backlight.device)
+ if (dev_priv->backlight.device) {
backlight_device_unregister(dev_priv->backlight.device);
+ dev_priv->backlight.device = NULL;
+ }
}
#else
int intel_panel_setup_backlight(struct drm_connector *connector)