UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

ACPI fix for 5.19-rc7 

Fix more fallout from recent changes of the ACPI CPPC handling on AMD
 platforms (Mario Limonciello).
 -----BEGIN PGP SIGNATURE-----
 
 iQJGBAABCAAwFiEE4fcc61cGeeHD/fCwgsRv/nhiVHEFAmLRsmYSHHJqd0Byand5
 c29ja2kubmV0AAoJEILEb/54YlRxw7AP/i0f3x8wTGby77H9aFHxqYD1az5/nUco
 Ymp8+l1Bm9TNbfBa1EqmwGwleho5X2GXUzFX2K3cKqNNp3fG/R0fsp7/+/h8YDmd
 DzwidRaIQPMsqdUzjIncB83UNIhFeh3/gix0n+iZM+cVw2dBdluXHiq88HtDjOFz
 ZkCF0ka5QcJyLJ4DgIbF5/CV/q3hd0ZT3xKLC0HfedZ7YwPRTL1yefUK3sosLZTW
 qDWYL/86+XwoFBntBQ6gfGYS/xQ7nQ50QKa+SD8cqLCSrQFYswLkRnQpDg1XJlMT
 XPc5WRrlbMC5VV+daY5/uMflRVdDLSuBKt5uTyFrvgguvw9S0Bgct8l/tABa8KRL
 AGDMoqW6V0Lc3z1Jyu4xjjTY6lrhyTB+any8K/roGrAxSYqZveMiAgyyMLbZfxNa
 dU1IAIw41g/ucBB/pE0T1jfrVrAIsLVoKXSl4ixpu50yC1DjJrv85zQfOyEVI9jM
 /okPONeRLTbXnB7+xRCA8AB5nXgPOqPqpLYPW7IDHghskacqZiAo6fm7tWEC5ijX
 epiI/JvwU7Pbt9UuS/7Kui9yC/33ErZEdYRC4QOhBQS4vLVpzQMRFRjdF8d50Jzk
 Qm73OzFKDZNm/8ladAWSdyvmvl/Ch8PjAqIBqmZNQYAoBYmWjN1LhuN+d17/ro2I
 jE05pwY8TXQL
 =Y0dz
 -----END PGP SIGNATURE-----

Merge tag 'acpi-5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI fix from Rafael Wysocki:
 "Fix more fallout from recent changes of the ACPI CPPC handling on AMD
  platforms (Mario Limonciello)"

* tag 'acpi-5.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: CPPC: Fix enabling CPPC on AMD systems with shared memory
This commit is contained in:
Linus Torvalds 2022-07-16 10:52:41 -07:00
parent be9b7b6acf fbd74d1689
commit 16c957f089
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/x86/kernel/acpi/cppc.c
View File

@ -16,6 +16,12 @@ bool cpc_supported_by_cpu(void)
switch (boot_cpu_data.x86_vendor) {
case X86_VENDOR_AMD:
case X86_VENDOR_HYGON:
if (boot_cpu_data.x86 == 0x19 && ((boot_cpu_data.x86_model <= 0x0f) ||
(boot_cpu_data.x86_model >= 0x20 && boot_cpu_data.x86_model <= 0x2f)))
return true;
else if (boot_cpu_data.x86 == 0x17 &&
boot_cpu_data.x86_model >= 0x70 && boot_cpu_data.x86_model <= 0x7f)
return true;
return boot_cpu_has(X86_FEATURE_CPPC);
}
return false;