linux-kernel - [PATCH v2 1/4] drm: mediatek: fix unbind functions

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Date:   Wed, 29 May 2019 18:25:52 +0800
From:   Hsin-Yi Wang <hsinyi@...omium.org>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     CK Hu <ck.hu@...iatek.com>, Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Matthias Brugger <matthias.bgg@...il.com>,
        dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/4] drm: mediatek: fix unbind functions

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@...omium.org>
---
change log v1->v2:
* mipi_dsi_host_unregister() should be fixed in another patch on the list.
---
 drivers/gpu/drm/mediatek/mtk_dsi.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index b00eb2d2e086..1ae3be99e0ff 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -844,6 +844,8 @@ 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)
-- 
2.20.1