commit 13eba1c13520c92ba0abfe547a62bb69fe39ef0a
author Song Zhao <song.zhao@amlogic.com> Wed Apr 21 00:19:38 2021 -0700
committer Song Zhao <song.zhao@amlogic.com> Wed Apr 21 01:16:51 2021 -0700
tree 3b3c6da1c97d9733a75de765a707217efdf21741
parent bfd84999d98f898eaa0443b7eedf3f8377914104

v4l2-uvm-test: support msync

Change-Id: Id22ba53b30b4eae7c6419aaf4845af0d310d72d3

v4l2-uvm-test/src/drm.c

diff --git a/v4l2-uvm-test/src/drm.c b/v4l2-uvm-test/src/drm.c
index 70c2927..1b19c54 100644
--- a/v4l2-uvm-test/src/drm.c
+++ b/v4l2-uvm-test/src/drm.c
@@ -124,6 +124,8 @@
     struct drm_frame *queue;
 #endif
     void * avsync;
+    int session;
+    int session_id;
     bool last_frame;
 };
 
@@ -692,6 +694,7 @@
     unsigned int plane_id;
     int rc;
     drmModeModeInfo mode;
+    struct video_config config;
 
     secure_mode = smode;
 
@@ -808,11 +811,18 @@
     }
 
     log_set_level((log_level >> 1) & 0x7);
-    aml_dis.avsync = av_sync_create(0, AV_SYNC_MODE_VMASTER, 2, 2, 90000/mode.vrefresh);
+    aml_dis.session = av_sync_open_session(&aml_dis.session_id);
+    if (aml_dis.session < 0) {
+        printf("Failed to alloc avsync session\n");
+        return -1;
+    }
+    aml_dis.avsync = av_sync_create(aml_dis.session_id, AV_SYNC_MODE_VMASTER, AV_SYNC_TYPE_VIDEO, 3);
     if (!aml_dis.avsync) {
         printf("create avsync fails\n");
         return -1;
     }
+    config.delay = 2;
+    av_sync_video_config(aml_dis.avsync, &config);
     return 0;
 }
 
@@ -892,9 +902,10 @@
     aml_dis.started = false;
     pthread_join(aml_dis.disp_t, NULL);
     close_buffer(drm_cli_fd, &osd_gem_buf);
-    if (aml_dis.avsync)
+    if (aml_dis.avsync) {
         av_sync_destroy(aml_dis.avsync);
-
+        av_sync_close_session (aml_dis.session);
+    }
 #if 0
     if (aml_dis.queue)
         free(aml_dis.queue);