[SRU][N][PATCH 1/1] cpufreq: intel_pstate: Support Granite Rapids and Sierra Forest OOB mode

[Vinicius Peixoto]

From: Srinivas Pandruvada <srinivas.pandruvada at linux.intel.com>

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 <srinivas.pandruvada at linux.intel.com>
Link: https://patch.msgid.link/20240802184839.1909091-1-srinivas.pandruvada@linux.intel.com
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki at intel.com>
(cherry picked from commit 3ca2a3d1e7271549985dc57c8106bb07b3134ecb)
Signed-off-by: Vinicius Peixoto <vinicius.peixoto at canonical.com>
---
 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),
 	{}
 };
 
-- 
2.45.2