[PATCH] drm/rockchip: vop2: add a missing unlock in vop2_crtc_atomic_enable()

[Harshit Mogalapalli]

Unlock before returning on the error path.

Fixes: 5a028e8f062f ("drm/rockchip: vop2: Add support for rk3588")
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapa...@oracle.com>
---
This is based on static analysis. Only compile tested.
Note: Smatch found this.
---
 drivers/gpu/drm/rockchip/rockchip_drm_vop2.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c 
b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
index 85b3b4871a1d..fdd768bbd487 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
@@ -1985,8 +1985,10 @@ static void vop2_crtc_atomic_enable(struct drm_crtc 
*crtc,
                clock = vop2_set_intf_mux(vp, rkencoder->crtc_endpoint_id, 
polflags);
        }
 
-       if (!clock)
+       if (!clock) {
+               vop2_unlock(vop2);
                return;
+       }
 
        if (vcstate->output_mode == ROCKCHIP_OUT_MODE_AAAA &&
            !(vp_data->feature & VOP2_VP_FEATURE_OUTPUT_10BIT))
-- 
2.39.3