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| H A D | cstate.c | diff dacca1e5e75d7c1297f1334cdc10491dcdd1b2b8 Mon Nov 07 04:34:49 CET 2022 Tony W Wang-oc <TonyWWang-oc@zhaoxin.com> x86/acpi/cstate: Optimize ARB_DISABLE on Centaur CPUs
On all recent Centaur platforms, ARB_DISABLE is handled by PMU
automatically while entering C3 type state. No need for OS to
issue the ARB_DISABLE, so set bm_control to zero to indicate that.
Signed-off-by: Tony W Wang-oc <TonyWWang-oc@zhaoxin.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/all/1667792089-4904-1-git-send-email-TonyWWang-oc%40zhaoxin.com
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