mmBIF_IMPCTL_SMPLCNTL 904 drivers/gpu/drm/amd/include/asic_reg/bif/bif_4_1_d.h #define mmBIF_IMPCTL_SMPLCNTL 0x1450 mmBIF_IMPCTL_SMPLCNTL 1064 drivers/gpu/drm/amd/include/asic_reg/bif/bif_5_0_d.h #define mmBIF_IMPCTL_SMPLCNTL 0x1450