Thread (5 messages) 5 messages, 2 authors, 2022-03-10
STALE1595d REVIEWED: 5 (4M)
Revisions (4)
  1. v1 [diff vs current]
  2. v2 [diff vs current]
  3. v3 [diff vs current]
  4. v4 current

[PATCH v4 3/3] arm64, topology: enable use of init_cpu_capacity_cppc()

From: Ionela Voinescu <hidden>
Date: 2022-03-10 15:06:09
Also in: linux-acpi, lkml
Subsystem: arm64 port (aarch64 architecture), the rest · Maintainers: Catalin Marinas, Will Deacon, Linus Torvalds

Now that the arch topology driver provides a method of setting CPU
capacity values based on information on highest performance from CPPC,
use this functionality on arm64 platforms.

Signed-off-by: Ionela Voinescu <redacted>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Valentin Schneider <redacted>
Tested-by: Yicong Yang <yangyicong@hisilicon.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
---
 arch/arm64/include/asm/topology.h | 4 ++++
 1 file changed, 4 insertions(+)
diff --git a/arch/arm64/include/asm/topology.h b/arch/arm64/include/asm/topology.h
index f386b90a79c8..9fab663dd2de 100644
--- a/arch/arm64/include/asm/topology.h
+++ b/arch/arm64/include/asm/topology.h
@@ -24,6 +24,10 @@ void update_freq_counters_refs(void);
 #define arch_scale_freq_capacity topology_get_freq_scale
 #define arch_scale_freq_invariant topology_scale_freq_invariant
 
+#ifdef CONFIG_ACPI_CPPC_LIB
+#define arch_init_invariance_cppc topology_init_cpu_capacity_cppc
+#endif
+
 /* Replace task scheduler's default cpu-invariant accounting */
 #define arch_scale_cpu_capacity topology_get_cpu_scale
 
-- 
2.25.1


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