ucFixDPVoltageSwing 4664 drivers/gpu/drm/amd/include/atombios.h   UCHAR                    ucFixDPVoltageSwing;                   // usCaps[1]=1, this indicate DP_LANE_SET value
ucFixDPVoltageSwing 4165 drivers/gpu/drm/radeon/atombios.h   UCHAR                    ucFixDPVoltageSwing;                   // usCaps[1]=1, this indicate DP_LANE_SET value