[PATCH 26/60] drm/omap: Detach from panels at remove time

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The omapdrm driver attaches to panels with drm_panel_attach() at probe
time but never calls drm_panel_detach(). Fix it.

Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/omapdrm/omap_drv.c | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c
index 837d0cd20dd1..97512d4cf664 100644
--- a/drivers/gpu/drm/omapdrm/omap_drv.c
+++ b/drivers/gpu/drm/omapdrm/omap_drv.c
@@ -387,6 +387,23 @@ static int omap_modeset_init(struct drm_device *dev)
 	return 0;
 }
 
+static void omap_modeset_fini(struct drm_device *ddev)
+{
+	struct omap_drm_private *priv = ddev->dev_private;
+	unsigned int i;
+
+	omap_drm_irq_uninstall(ddev);
+
+	for (i = 0; i < priv->num_pipes; i++) {
+		struct omap_drm_pipeline *pipe = &priv->pipes[i];
+
+		if (pipe->output->panel)
+			drm_panel_detach(pipe->output->panel);
+	}
+
+	drm_mode_config_cleanup(ddev);
+}
+
 /*
  * Enable the HPD in external components if supported
  */
@@ -634,8 +651,7 @@ static int omapdrm_init(struct omap_drm_private *priv, struct device *dev)
 
 	omap_fbdev_fini(ddev);
 err_cleanup_modeset:
-	drm_mode_config_cleanup(ddev);
-	omap_drm_irq_uninstall(ddev);
+	omap_modeset_fini(ddev);
 err_gem_deinit:
 	omap_gem_deinit(ddev);
 	destroy_workqueue(priv->wq);
@@ -660,9 +676,7 @@ static void omapdrm_cleanup(struct omap_drm_private *priv)
 
 	drm_atomic_helper_shutdown(ddev);
 
-	drm_mode_config_cleanup(ddev);
-
-	omap_drm_irq_uninstall(ddev);
+	omap_modeset_fini(ddev);
 	omap_gem_deinit(ddev);
 
 	destroy_workqueue(priv->wq);
-- 
Regards,

Laurent Pinchart

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