mmRCC_DEV0_EPF0_VF4_RCC_DOORBELL_APER_EN 5260 drivers/gpu/drm/amd/include/asic_reg/nbio/nbio_2_3_offset.h #define mmRCC_DEV0_EPF0_VF4_RCC_DOORBELL_APER_EN 0x00c0 mmRCC_DEV0_EPF0_VF4_RCC_DOORBELL_APER_EN 3420 drivers/gpu/drm/amd/include/asic_reg/nbio/nbio_7_4_offset.h #define mmRCC_DEV0_EPF0_VF4_RCC_DOORBELL_APER_EN 0x00c0