move a registration of commit_cb before calling output_commit

    If TDM backend works without events (for example fbdev backend)
    then it should be able to call  the commit handler function right after
    doing commit.

Change-Id: I981a02bf257fda116861554db47e0bdf822bfa1f
Signed-off-by: Roman Marchenko <r.marchenko@samsung.com>

diff --git a/src/tdm_display.c b/src/tdm_display.c
index 1790229..969b227 100644 (file)
--- a/src/tdm_display.c
+++ b/src/tdm_display.c
@@ -1058,16 +1058,16 @@ _tdm_output_commit(tdm_output *output, int sync, tdm_output_commit_handler func,
        commit_handler->user_data = user_data;
        commit_handler->owner_tid = syscall(SYS_gettid);
 
-       ret = func_output->output_commit(private_output->output_backend, sync,
-                                                                        commit_handler);
-       TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
-
        if (!private_output->regist_commit_cb) {
                private_output->regist_commit_cb = 1;
                ret = func_output->output_set_commit_handler(private_output->output_backend,
                                tdm_output_cb_commit);
        }
 
+       ret = func_output->output_commit(private_output->output_backend, sync,
+                                                                        commit_handler);
+       TDM_RETURN_VAL_IF_FAIL(ret == TDM_ERROR_NONE, ret);
+
        return ret;
 }