CB_PERF_CTR0_SEL_0 3668 drivers/gpu/drm/radeon/evergreen.c WREG32(CB_PERF_CTR0_SEL_0, 0); CB_PERF_CTR0_SEL_0 1231 drivers/gpu/drm/radeon/ni.c WREG32(CB_PERF_CTR0_SEL_0, 0);