[PATCH v5 5/6] drm/mediatek: Add mbox_free_channel in mtk_drm_crtc_destroy

[jason-jh . lin]

Add mbox_free_channel in mtk_drm_crtc_destroy.

Signed-off-by: jason-jh.lin <jason-jh....@mediatek.com>
---
 drivers/gpu/drm/mediatek/mtk_drm_crtc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c 
b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
index ffa54b416ca7..31f05efc1bc0 100644
--- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
+++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c
@@ -156,6 +156,10 @@ static void mtk_drm_crtc_destroy(struct drm_crtc *crtc)
        mtk_mutex_put(mtk_crtc->mutex);
 #if IS_REACHABLE(CONFIG_MTK_CMDQ)
        mtk_drm_cmdq_pkt_destroy(&mtk_crtc->cmdq_handle);
+
+       if (mtk_crtc->cmdq_client.chan)
+               mbox_free_channel(mtk_crtc->cmdq_client.chan);
+                                 mtk_crtc->cmdq_client.chan = NULL;
 #endif
        drm_crtc_cleanup(crtc);
 }
-- 
2.18.0