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authorDave Airlie <airlied@redhat.com>2022-07-13 10:54:56 +1000
committerDave Airlie <airlied@redhat.com>2022-07-13 10:54:56 +1000
commite23a5e14aa278858c2e3d81ec34e83aa9a4177c5 (patch)
tree8b662fca8f0643d2b7ef0836da91835408075208 /arch/x86/kernel/acpi/cppc.c
parent5e4cb0afe21e4e744ed808de1169a62ab35a57f5 (diff)
parent32346491ddf24599decca06190ebca03ff9de7f8 (diff)
Backmerge tag 'v5.19-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into drm-next
Backmerge in rc6 so I can merge msm next easier. Linux 5.19-rc6 Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'arch/x86/kernel/acpi/cppc.c')
-rw-r--r--arch/x86/kernel/acpi/cppc.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/x86/kernel/acpi/cppc.c b/arch/x86/kernel/acpi/cppc.c
index 8b8cbf22461a..734b96454896 100644
--- a/arch/x86/kernel/acpi/cppc.c
+++ b/arch/x86/kernel/acpi/cppc.c
@@ -11,6 +11,16 @@
/* Refer to drivers/acpi/cppc_acpi.c for the description of functions */
+bool cpc_supported_by_cpu(void)
+{
+ switch (boot_cpu_data.x86_vendor) {
+ case X86_VENDOR_AMD:
+ case X86_VENDOR_HYGON:
+ return boot_cpu_has(X86_FEATURE_CPPC);
+ }
+ return false;
+}
+
bool cpc_ffh_supported(void)
{
return true;