CB_PERF_CTR2_SEL_0 3672 drivers/gpu/drm/radeon/evergreen.c 	WREG32(CB_PERF_CTR2_SEL_0, 0);
CB_PERF_CTR2_SEL_0 1235 drivers/gpu/drm/radeon/ni.c 	WREG32(CB_PERF_CTR2_SEL_0, 0);