mmCLKREQB_PERF_COUNTER   60 drivers/gpu/drm/amd/include/asic_reg/bif/bif_5_0_d.h #define mmCLKREQB_PERF_COUNTER                                                  0x1522
mmCLKREQB_PERF_COUNTER  817 drivers/gpu/drm/amd/include/asic_reg/nbif/nbif_6_1_offset.h #define mmCLKREQB_PERF_COUNTER                                                                         0x0e19 // duplicate