From 9aaa0cebcb3ebabd52a2a269a50fe3525d8deed1 Mon Sep 17 00:00:00 2001
From: Thierry Reding <treding@nvidia.com>
Date: Tue, 4 Nov 2014 16:20:20 +0100
Subject: [PATCH] drm/tegra: Detach panel when a connector is removed

When the DRM device is torn down and the connector is removed, make sure
to detach the panel to make sure there are no dangling pointers.

Signed-off-by: Thierry Reding <treding@nvidia.com>
---
 drivers/gpu/drm/tegra/output.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/tegra/output.c b/drivers/gpu/drm/tegra/output.c
index 022462d3a413..6a5c7b81fbc5 100644
--- a/drivers/gpu/drm/tegra/output.c
+++ b/drivers/gpu/drm/tegra/output.c
@@ -347,5 +347,8 @@ int tegra_output_exit(struct tegra_output *output)
 	if (gpio_is_valid(output->hpd_gpio))
 		disable_irq(output->hpd_irq);
 
+	if (output->panel)
+		drm_panel_detach(output->panel);
+
 	return 0;
 }
-- 
2.34.1