From: Alexander Antonov <alexander.antonov@linux.intel.com> stable inclusion from linux-4.19.218 commit 4c56f86ced54b7cf1727f6cf538776040e742a8a -------------------------------- [ Upstream commit 3866ae319c846a612109c008f43cba80b8c15e86 ] According to the latest uncore document, COMP_BUF_OCCUPANCY (0xd5) event can be collected on 2-3 counters. Update uncore IIO event constraints for Skylake Server. Fixes: cd34cd97b7b4 ("perf/x86/intel/uncore: Add Skylake server uncore support") Signed-off-by: Alexander Antonov <alexander.antonov@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Kan Liang <kan.liang@linux.intel.com> Link: https://lore.kernel.org/r/20211115090334.3789-3-alexander.antonov@linux.inte... Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> --- arch/x86/events/intel/uncore_snbep.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c index eaa0a493069b3..8326dd5b5068a 100644 --- a/arch/x86/events/intel/uncore_snbep.c +++ b/arch/x86/events/intel/uncore_snbep.c @@ -3600,6 +3600,7 @@ static struct event_constraint skx_uncore_iio_constraints[] = { UNCORE_EVENT_CONSTRAINT(0xc0, 0xc), UNCORE_EVENT_CONSTRAINT(0xc5, 0xc), UNCORE_EVENT_CONSTRAINT(0xd4, 0xc), + UNCORE_EVENT_CONSTRAINT(0xd5, 0xc), EVENT_CONSTRAINT_END }; -- 2.25.1