hwc: fix the problem that target window and device window use same lzpos

Change-Id: I4752b6e4a0d370d42104c0e01db0bb3fa760ef42

diff --git a/src/tdm_vc4_hwc.c b/src/tdm_vc4_hwc.c
index 5088fba..1e6b6ec 100644 (file)
--- a/src/tdm_vc4_hwc.c
+++ b/src/tdm_vc4_hwc.c
@@ -597,9 +597,9 @@ _vc4_hwc_apply_policy(tdm_vc4_hwc *hwc_data , hal_tdm_hwc_window **composited_wn
 
        if (num_layers > (device_count + video_count)) {
                if (hwc_data->need_target_window)
-                       lzpos_top = lzpos_bottom + device_count - 1;
+                       lzpos_top = lzpos_bottom + device_count;
                else
-                       lzpos_top = lzpos_bottom + device_count + video_count - 1;
+                       lzpos_top = lzpos_bottom + device_count + video_count;
        }
 
        /* 3. set lzpos and modify validate_type with target_window */