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Diffstat (limited to 'drivers/gpu/drm/amd/display/include/dpcd_defs.h')
-rw-r--r--drivers/gpu/drm/amd/display/include/dpcd_defs.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/include/dpcd_defs.h b/drivers/gpu/drm/amd/display/include/dpcd_defs.h
index d8e52e3b8e3c..1c66166d0a94 100644
--- a/drivers/gpu/drm/amd/display/include/dpcd_defs.h
+++ b/drivers/gpu/drm/amd/display/include/dpcd_defs.h
@@ -27,6 +27,9 @@
#define __DAL_DPCD_DEFS_H__
#include <drm/drm_dp_helper.h>
+#ifndef DP_SINK_HW_REVISION_START // can remove this once the define gets into linux drm_dp_helper.h
+#define DP_SINK_HW_REVISION_START 0x409
+#endif
enum dpcd_revision {
DPCD_REV_10 = 0x10,