mmBIF_IMPCTL_TXCNTL_pd 906 drivers/gpu/drm/amd/include/asic_reg/bif/bif_4_1_d.h #define mmBIF_IMPCTL_TXCNTL_pd 0x1452 mmBIF_IMPCTL_TXCNTL_pd 1066 drivers/gpu/drm/amd/include/asic_reg/bif/bif_5_0_d.h #define mmBIF_IMPCTL_TXCNTL_pd 0x1452