From: Lucas Stach <l.stach@pengutronix.de>
Date: Thu, 16 Jun 2016 09:19:41 +0000 (+0200)
Subject: drm/imx: imx-ldb: detach panel on unbind
X-Git-Tag: v4.9-rc1~41^2~24^2~5
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=b1318d50a0dddda4f4facfedf757a5a328ddfd94;p=linux.git

drm/imx: imx-ldb: detach panel on unbind

Make sure to leave a clean panel state behind and allow to
properly attach to the panel again on a rebind.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
---

diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
index 87b83bd78716..27a471c5e7c9 100644
--- a/drivers/gpu/drm/imx/imx-ldb.c
+++ b/drivers/gpu/drm/imx/imx-ldb.c
@@ -757,6 +757,9 @@ static void imx_ldb_unbind(struct device *dev, struct device *master,
 	for (i = 0; i < 2; i++) {
 		struct imx_ldb_channel *channel = &imx_ldb->channel[i];
 
+		if (channel->panel)
+			drm_panel_detach(channel->panel);
+
 		kfree(channel->edid);
 		i2c_put_adapter(channel->ddc);
 	}