perf/x86/intel/uncore: Add Sapphire Rapids server PCU support
authorKan Liang <kan.liang@linux.intel.com>
Wed, 30 Jun 2021 21:08:30 +0000 (14:08 -0700)
committerPeter Zijlstra <peterz@infradead.org>
Fri, 2 Jul 2021 13:58:38 +0000 (15:58 +0200)
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@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Link: https://lore.kernel.org/r/1625087320-194204-7-git-send-email-kan.liang@linux.intel.com
arch/x86/events/intel/uncore_snbep.c

index 890a98279fca1dde801fc0912a0dd8a65299ab19..913cd7aca65de3724d2f9baa020bd97bea5fe9ae 100644 (file)
@@ -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,