drm/mediatek: fix unbind functions

[ Upstream commit 8fd7a37b191f93737f6280a9b5de65f98acc12c9 ]

detatch panel in mtk_dsi_destroy_conn_enc(), since .bind will try to
attach it again.

Fixes: 2e54c14e310f ("drm/mediatek: Add DSI sub driver")
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 66df1b1..84bb668 100644 (file)
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -841,6 +841,8 @@ static void mtk_dsi_destroy_conn_enc(struct mtk_dsi *dsi)
        /* Skip connector cleanup if creation was delegated to the bridge */
        if (dsi->conn.dev)
                drm_connector_cleanup(&dsi->conn);
+       if (dsi->panel)
+               drm_panel_detach(dsi->panel);
 }
 
 static void mtk_dsi_ddp_start(struct mtk_ddp_comp *comp)