From fbe544ffc094dfba8a0a4f1985879010d609521e Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Fri, 15 Sep 2023 10:53:49 +0200
Subject: drm: renesas: shmobile: Shutdown the display on remove

When the device is unbound from the driver, the display may be active.
Make sure it gets shut down.

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/ddf2736459d59d0e961f240e77da7b0a28caae15.1694767209.git.geert+renesas@glider.be
---
 drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'drivers/gpu/drm/renesas')

diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c
index c3a1995403d6..ec90f9878771 100644
--- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c
+++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c
@@ -16,6 +16,7 @@
 #include <linux/pm_runtime.h>
 #include <linux/slab.h>
 
+#include <drm/drm_crtc_helper.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_fbdev_generic.h>
 #include <drm/drm_gem_dma_helper.h>
@@ -172,6 +173,7 @@ static void shmob_drm_remove(struct platform_device *pdev)
 	struct drm_device *ddev = &sdev->ddev;
 
 	drm_dev_unregister(ddev);
+	drm_helper_force_disable_all(ddev);
 	drm_kms_helper_poll_fini(ddev);
 }
 
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