drm/radeon: add command submission tracepoint

Neither complete nor perfect, but solves my problem at hand
and might be useful in the future.

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index a560844..27ea004 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -28,6 +28,7 @@
 #include <drm/radeon_drm.h>
 #include "radeon_reg.h"
 #include "radeon.h"
+#include "radeon_trace.h"
 
 static int radeon_cs_parser_relocs(struct radeon_cs_parser *p)
 {
@@ -559,6 +560,8 @@
 		return r;
 	}
 
+	trace_radeon_cs(&parser);
+
 	r = radeon_cs_ib_chunk(rdev, &parser);
 	if (r) {
 		goto out;