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path: root/drivers/powercap/intel_rapl.c
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Diffstat (limited to 'drivers/powercap/intel_rapl.c')
-rw-r--r--drivers/powercap/intel_rapl.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/powercap/intel_rapl.c b/drivers/powercap/intel_rapl.c
index 3c6768378a94..61b51e17d932 100644
--- a/drivers/powercap/intel_rapl.c
+++ b/drivers/powercap/intel_rapl.c
@@ -834,7 +834,7 @@ static int rapl_write_data_raw(struct rapl_domain *rd,
}
static const struct x86_cpu_id energy_unit_quirk_ids[] = {
- { X86_VENDOR_INTEL, 6, 0x37},/* VLV */
+ { X86_VENDOR_INTEL, 6, 0x37},/* Valleyview */
{}
};
@@ -947,11 +947,11 @@ static void package_power_limit_irq_restore(int package_id)
}
static const struct x86_cpu_id rapl_ids[] = {
- { X86_VENDOR_INTEL, 6, 0x2a},/* SNB */
- { X86_VENDOR_INTEL, 6, 0x2d},/* SNB EP */
- { X86_VENDOR_INTEL, 6, 0x37},/* VLV */
- { X86_VENDOR_INTEL, 6, 0x3a},/* IVB */
- { X86_VENDOR_INTEL, 6, 0x45},/* HSW */
+ { X86_VENDOR_INTEL, 6, 0x2a},/* Sandy Bridge */
+ { X86_VENDOR_INTEL, 6, 0x2d},/* Sandy Bridge EP */
+ { X86_VENDOR_INTEL, 6, 0x37},/* Valleyview */
+ { X86_VENDOR_INTEL, 6, 0x3a},/* Ivy Bridge */
+ { X86_VENDOR_INTEL, 6, 0x45},/* Haswell */
/* TODO: Add more CPU IDs after testing */
{}
};
@@ -1147,6 +1147,11 @@ static int rapl_check_domain(int cpu, int domain)
if (rdmsrl_safe_on_cpu(cpu, msr, &val1))
return -ENODEV;
+ /* PP1/uncore/graphics domain may not be active at the time of
+ * driver loading. So skip further checks.
+ */
+ if (domain == RAPL_DOMAIN_PP1)
+ return 0;
/* energy counters roll slowly on some domains */
while (++retry < 10) {
usleep_range(10000, 15000);