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-rw-r--r--lib/igt_debugfs.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/igt_debugfs.h b/lib/igt_debugfs.h
index c2810ee3..02f4afa2 100644
--- a/lib/igt_debugfs.h
+++ b/lib/igt_debugfs.h
@@ -79,4 +79,19 @@ void igt_pipe_crc_stop(igt_pipe_crc_t *pipe_crc);
void igt_pipe_crc_get_crcs(igt_pipe_crc_t *pipe_crc, int n_crcs,
igt_crc_t **out_crcs);
+/*
+ * Drop caches
+ */
+
+#define DROP_UNBOUND 0x1
+#define DROP_BOUND 0x2
+#define DROP_RETIRE 0x4
+#define DROP_ACTIVE 0x8
+#define DROP_ALL (DROP_UNBOUND | \
+ DROP_BOUND | \
+ DROP_RETIRE | \
+ DROP_ACTIVE)
+
+int igt_drop_caches_set(uint64_t val);
+
#endif /* __IGT_DEBUGFS_H__ */