output: add debugging log

Change-Id: I0dd4ef4067e18706257619a1cfb2f6dea79f0657

diff --git a/src/tdm_output.c b/src/tdm_output.c
index 15ebd81..b846354 100644 (file)
--- a/src/tdm_output.c
+++ b/src/tdm_output.c
@@ -766,6 +766,9 @@ _tdm_output_cb_vblank(tdm_output *output_backend, unsigned int sequence,
 
        vblank_handler->sent_to_frontend = 1;
 
+       if (tdm_debug_module & TDM_DEBUG_COMMIT)
+               TDM_INFO("output(%d) wait_vblank: handler(%p)", vblank_handler->private_output->pipe, vblank_handler);
+
        ret = tdm_thread_cb_call(vblank_handler->private_output, &output_vblank.base);
        TDM_WARNING_IF_FAIL(ret == TDM_ERROR_NONE);
 }