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