TCC_PERF_SEL_MC_RDRET_NACK 4132 drivers/gpu/drm/amd/include/asic_reg/gca/gfx_7_2_enum.h 	TCC_PERF_SEL_MC_RDRET_NACK                       = 0x2a,
TCC_PERF_SEL_MC_RDRET_NACK 4585 drivers/gpu/drm/amd/include/asic_reg/gca/gfx_8_0_enum.h 	TCC_PERF_SEL_MC_RDRET_NACK                       = 0x3f,
TCC_PERF_SEL_MC_RDRET_NACK 4640 drivers/gpu/drm/amd/include/asic_reg/gca/gfx_8_1_enum.h 	TCC_PERF_SEL_MC_RDRET_NACK                       = 0x3f,