HDMI_INFOFRAME_CONTROL1  564 drivers/gpu/drm/radeon/evergreend.h #define HDMI_INFOFRAME_CONTROL1              0x7048
HDMI_INFOFRAME_CONTROL1  714 drivers/gpu/drm/radeon/rv770d.h #define HDMI_INFOFRAME_CONTROL1              0x7418