ucPLL_VoltageSwing 8841 drivers/gpu/drm/amd/include/atombios.h    UCHAR  ucPLL_VoltageSwing;                         // PLL driver voltage swing control
ucPLL_VoltageSwing 7536 drivers/gpu/drm/radeon/atombios.h    UCHAR  ucPLL_VoltageSwing;			                // PLL driver voltage swing control
ucPLL_VoltageSwing 1374 drivers/gpu/drm/radeon/radeon_atombios.c 			     ucPLL_VoltageSwing & 0xf) << 16;