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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2024-05-13 21:13:48 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2024-05-13 21:13:48 +0300
commit14449382b5aca53e6a31a04b1e93e53b288a1cb2 (patch)
treea3c699d1c7a838e9e5cea107c6e81b1cacdd8f69 /Documentation
parenteefb5dbddd4b4c2f069cdc6f7df7e5656aede8ce (diff)
parentbf202e654bfa57fb8cf9d93d4c6855890b70b9c4 (diff)
downloadlinux-14449382b5aca53e6a31a04b1e93e53b288a1cb2.tar.xz
Merge branch 'pm-cpufreq'
Merge cpufreq updates for 6.10: - Rework the handling of disabled turbo in the intel_pstate driver and make it update the maximum CPU frequency consistently regardless of the reason on top of a number of cleanups (Rafael Wysocki). - Add missing checks for NULL .exit() cpufreq driver callback to the cpufreq core (Viresh Kumar). - Prevent pulicy->max from going above the frequency QoS maximum value when cpufreq_frequency_table_verify() is used (Xuewen Yan). - Prevent a negative CPU number or frequency value from being printed if they are really large (Joshua Yeong). - Update MAINTAINERS entry for amd-pstate to add two new submaintainers and a designated reviewer (Huang Rui). - Clean up the amd-pstate driver and update its documentation (Gautham Shenoy). - Fix the highest frequency issue in the amd-pstate driver which limits performance (Perry Yuan). - Enable CPPC v2 for certain processors in the family 17H, as requested by TR40 processor users who expect improved performance and lower system temperature (Perry Yuan). - Change latency and delay values to be read from platform firmware firstly for more accurate timing (Perry Yuan). - A new quirk is introduced for supporting amd-pstate on legacy processors which either lack CPPC capability, or only only have CPPC v2 capability (Perry Yuan). - Sun50i: Add support for opp_supported_hw, H616 platform and general cleanups (Andre Przywara, Martin Botka, Brandon Cheo Fusi, Dan Carpenter, Viresh Kumar). - CPPC: Fix possible null pointer dereference (Aleksandr Mishin). - Eliminate uses of of_node_put() (Javier Carrasco, and Shivani Gupta). - brcmstb-avs: ISO C90 forbids mixed declarations (Portia Stephens). - mediatek: Add support for MT7988A (Sam Shih). - cpufreq-qcom-hw: Add SM4450 compatibles in DT bindings (Tengfei Fan). - Fix struct cpudata::epp_cached kernel-doc in the intel_pstate cpufreq driver (Jeff Johnson). * pm-cpufreq: (46 commits) cpufreq: amd-pstate: fix the highest frequency issue which limits performance cpufreq: intel_pstate: fix struct cpudata::epp_cached kernel-doc cpufreq: Fix up printing large CPU numbers and frequency values MAINTAINERS: cpufreq: amd-pstate: Add co-maintainers and reviewer cpufreq: amd-pstate: remove unused variable lowest_nonlinear_freq cpufreq: amd-pstate: fix code format problems cpufreq: amd-pstate: Add quirk for the pstate CPPC capabilities missing cppc_acpi: print error message if CPPC is unsupported cpufreq: amd-pstate: get transition delay and latency value from ACPI tables cpufreq: amd-pstate: Bail out if min/max/nominal_freq is 0 cpufreq: amd-pstate: Remove amd_get_{min,max,nominal,lowest_nonlinear}_freq() cpufreq: amd-pstate: Unify computation of {max,min,nominal,lowest_nonlinear}_freq cpufreq: amd-pstate: Document the units for freq variables in amd_cpudata cpufreq: amd-pstate: Document *_limit_* fields in struct amd_cpudata dt-bindings: cpufreq: cpufreq-qcom-hw: Add SM4450 compatibles cpufreq: sun50i: fix error returns in dt_has_supported_hw() cpufreq: brcmstb-avs-cpufreq: ISO C90 forbids mixed declarations cpufreq: dt-platdev: eliminate uses of of_node_put() cpufreq: dt: eliminate uses of of_node_put() cpufreq: ti: Implement scope-based cleanup in ti_cpufreq_match_node() ...
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/cpufreq/cpufreq-qcom-hw.yaml2
-rw-r--r--Documentation/devicetree/bindings/opp/allwinner,sun50i-h6-operating-points.yaml87
2 files changed, 45 insertions, 44 deletions
diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-qcom-hw.yaml b/Documentation/devicetree/bindings/cpufreq/cpufreq-qcom-hw.yaml
index 56fc71d6a081..1e9797f96410 100644
--- a/Documentation/devicetree/bindings/cpufreq/cpufreq-qcom-hw.yaml
+++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-qcom-hw.yaml
@@ -38,6 +38,7 @@ properties:
- qcom,sc7280-cpufreq-epss
- qcom,sc8280xp-cpufreq-epss
- qcom,sdx75-cpufreq-epss
+ - qcom,sm4450-cpufreq-epss
- qcom,sm6375-cpufreq-epss
- qcom,sm8250-cpufreq-epss
- qcom,sm8350-cpufreq-epss
@@ -133,6 +134,7 @@ allOf:
- qcom,sc8280xp-cpufreq-epss
- qcom,sdm670-cpufreq-hw
- qcom,sdm845-cpufreq-hw
+ - qcom,sm4450-cpufreq-epss
- qcom,sm6115-cpufreq-hw
- qcom,sm6350-cpufreq-hw
- qcom,sm6375-cpufreq-epss
diff --git a/Documentation/devicetree/bindings/opp/allwinner,sun50i-h6-operating-points.yaml b/Documentation/devicetree/bindings/opp/allwinner,sun50i-h6-operating-points.yaml
index 51f62c3ae194..ec5e424bb3c8 100644
--- a/Documentation/devicetree/bindings/opp/allwinner,sun50i-h6-operating-points.yaml
+++ b/Documentation/devicetree/bindings/opp/allwinner,sun50i-h6-operating-points.yaml
@@ -13,25 +13,25 @@ maintainers:
description: |
For some SoCs, the CPU frequency subset and voltage value of each
OPP varies based on the silicon variant in use. Allwinner Process
- Voltage Scaling Tables defines the voltage and frequency value based
- on the speedbin blown in the efuse combination. The
- sun50i-cpufreq-nvmem driver reads the efuse value from the SoC to
- provide the OPP framework with required information.
+ Voltage Scaling Tables define the voltage and frequency values based
+ on the speedbin blown in the efuse combination.
allOf:
- $ref: opp-v2-base.yaml#
properties:
compatible:
- const: allwinner,sun50i-h6-operating-points
+ enum:
+ - allwinner,sun50i-h6-operating-points
+ - allwinner,sun50i-h616-operating-points
nvmem-cells:
description: |
A phandle pointing to a nvmem-cells node representing the efuse
- registers that has information about the speedbin that is used
+ register that has information about the speedbin that is used
to select the right frequency/voltage value pair. Please refer
- the for nvmem-cells bindings
- Documentation/devicetree/bindings/nvmem/nvmem.txt and also
+ to the nvmem-cells bindings in
+ Documentation/devicetree/bindings/nvmem/nvmem.yaml and also the
examples below.
opp-shared: true
@@ -47,15 +47,18 @@ patternProperties:
properties:
opp-hz: true
clock-latency-ns: true
+ opp-microvolt: true
+ opp-supported-hw:
+ maxItems: 1
+ description:
+ A single 32 bit bitmap value, representing compatible HW, one
+ bit per speed bin index.
patternProperties:
"^opp-microvolt-speed[0-9]$": true
required:
- opp-hz
- - opp-microvolt-speed0
- - opp-microvolt-speed1
- - opp-microvolt-speed2
unevaluatedProperties: false
@@ -77,58 +80,54 @@ examples:
opp-microvolt-speed2 = <800000>;
};
- opp-720000000 {
+ opp-1080000000 {
clock-latency-ns = <244144>; /* 8 32k periods */
- opp-hz = /bits/ 64 <720000000>;
+ opp-hz = /bits/ 64 <1080000000>;
- opp-microvolt-speed0 = <880000>;
- opp-microvolt-speed1 = <820000>;
- opp-microvolt-speed2 = <800000>;
+ opp-microvolt-speed0 = <1060000>;
+ opp-microvolt-speed1 = <880000>;
+ opp-microvolt-speed2 = <840000>;
};
- opp-816000000 {
+ opp-1488000000 {
clock-latency-ns = <244144>; /* 8 32k periods */
- opp-hz = /bits/ 64 <816000000>;
+ opp-hz = /bits/ 64 <1488000000>;
- opp-microvolt-speed0 = <880000>;
- opp-microvolt-speed1 = <820000>;
- opp-microvolt-speed2 = <800000>;
+ opp-microvolt-speed0 = <1160000>;
+ opp-microvolt-speed1 = <1000000>;
+ opp-microvolt-speed2 = <960000>;
};
+ };
- opp-888000000 {
- clock-latency-ns = <244144>; /* 8 32k periods */
- opp-hz = /bits/ 64 <888000000>;
-
- opp-microvolt-speed0 = <940000>;
- opp-microvolt-speed1 = <820000>;
- opp-microvolt-speed2 = <800000>;
- };
+ - |
+ opp-table {
+ compatible = "allwinner,sun50i-h616-operating-points";
+ nvmem-cells = <&speedbin_efuse>;
+ opp-shared;
- opp-1080000000 {
+ opp-480000000 {
clock-latency-ns = <244144>; /* 8 32k periods */
- opp-hz = /bits/ 64 <1080000000>;
+ opp-hz = /bits/ 64 <480000000>;
- opp-microvolt-speed0 = <1060000>;
- opp-microvolt-speed1 = <880000>;
- opp-microvolt-speed2 = <840000>;
+ opp-microvolt = <900000>;
+ opp-supported-hw = <0x1f>;
};
- opp-1320000000 {
+ opp-792000000 {
clock-latency-ns = <244144>; /* 8 32k periods */
- opp-hz = /bits/ 64 <1320000000>;
+ opp-hz = /bits/ 64 <792000000>;
- opp-microvolt-speed0 = <1160000>;
- opp-microvolt-speed1 = <940000>;
- opp-microvolt-speed2 = <900000>;
+ opp-microvolt-speed1 = <900000>;
+ opp-microvolt-speed4 = <940000>;
+ opp-supported-hw = <0x12>;
};
- opp-1488000000 {
+ opp-1512000000 {
clock-latency-ns = <244144>; /* 8 32k periods */
- opp-hz = /bits/ 64 <1488000000>;
+ opp-hz = /bits/ 64 <1512000000>;
- opp-microvolt-speed0 = <1160000>;
- opp-microvolt-speed1 = <1000000>;
- opp-microvolt-speed2 = <960000>;
+ opp-microvolt = <1100000>;
+ opp-supported-hw = <0x0a>;
};
};