From 9b984857dacca08019d8f6eda6267ef6f732280b Mon Sep 17 00:00:00 2001 From: Srinivas Pandruvada Date: Mon, 7 Apr 2025 11:11:57 -0300 Subject: [PATCH] cpufreq: intel_pstate: Support Granite Rapids and Sierra Forest OOB mode BugLink: https://bugs.launchpad.net/bugs/2106275 Prevent intel_pstate from loading when OOB (Out Of Band) P-states mode is enabled. The OOB identifying bits are same as for the prior generation CPUs like Emerald Rapids servers. Add Granite Rapids and Sierra Forest CPU models to intel_pstate_cpu_oob_ids[]. Signed-off-by: Srinivas Pandruvada Link: https://patch.msgid.link/20240802184839.1909091-1-srinivas.pandruvada@linux.intel.com Signed-off-by: Rafael J. Wysocki (cherry picked from commit 3ca2a3d1e7271549985dc57c8106bb07b3134ecb) Signed-off-by: Vinicius Peixoto Acked-by: Thibault Ferrante Acked-by: Massimiliano Pellizzer Signed-off-by: Mehmet Basaran --- drivers/cpufreq/intel_pstate.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index d048f36c65da..366f06d8e5f4 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -2460,6 +2460,10 @@ static const struct x86_cpu_id intel_pstate_cpu_oob_ids[] __initconst = { X86_MATCH(INTEL_ICELAKE_X, core_funcs), X86_MATCH(INTEL_SAPPHIRERAPIDS_X, core_funcs), X86_MATCH(INTEL_EMERALDRAPIDS_X, core_funcs), + X86_MATCH(INTEL_GRANITERAPIDS_D, core_funcs), + X86_MATCH(INTEL_GRANITERAPIDS_X, core_funcs), + X86_MATCH(INTEL_ATOM_CRESTMONT, core_funcs), + X86_MATCH(INTEL_ATOM_CRESTMONT_X, core_funcs), {} };