[tip: perf/core] perf/x86/intel/uncore: Add Sapphire Rapids server PCU support

[tip-bot2 for Kan Liang]

The following commit has been merged into the perf/core branch of tip:

Commit-ID:     0654dfdc7e1ca30d36810ab694712da3de18440c
Gitweb:        https://git.kernel.org/tip/0654dfdc7e1ca30d36810ab694712da3de18440c
Author:        Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
AuthorDate:    Wed, 30 Jun 2021 14:08:30 -07:00
Committer:     Peter Zijlstra <peterz@xxxxxxxxxxxxx>
CommitterDate: Fri, 02 Jul 2021 15:58:38 +02:00

perf/x86/intel/uncore: Add Sapphire Rapids server PCU support

The PCU is the primary power controller for the Sapphire Rapids.

Except the name, all the information can be retrieved from the discovery
tables.

Signed-off-by: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Reviewed-by: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/1625087320-194204-7-git-send-email-kan.liang@xxxxxxxxxxxxxxx
---
 arch/x86/events/intel/uncore_snbep.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c
index 890a982..913cd7a 100644
--- a/arch/x86/events/intel/uncore_snbep.c
+++ b/arch/x86/events/intel/uncore_snbep.c
@@ -5633,6 +5633,10 @@ static struct intel_uncore_type spr_uncore_m2pcie = {
 	.name			= "m2pcie",
 };
 
+static struct intel_uncore_type spr_uncore_pcu = {
+	.name			= "pcu",
+};
+
 #define UNCORE_SPR_NUM_UNCORE_TYPES		12
 
 static struct intel_uncore_type *spr_uncores[UNCORE_SPR_NUM_UNCORE_TYPES] = {
@@ -5640,7 +5644,7 @@ static struct intel_uncore_type *spr_uncores[UNCORE_SPR_NUM_UNCORE_TYPES] = {
 	&spr_uncore_iio,
 	&spr_uncore_irp,
 	&spr_uncore_m2pcie,
-	NULL,
+	&spr_uncore_pcu,
 	NULL,
 	NULL,
 	NULL,