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Revert "applications: nrf_desktop: Use high Global Domain frequency o… #20577

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Feb 24, 2025
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Revert "applications: nrf_desktop: Use high Global Domain frequency o… #20577

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3 changes: 0 additions & 3 deletions applications/nrf_desktop/configuration/nrf54h20dk_nrf54h20_cpurad/images/ipc_radio/prj.conf
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Expand Up @@ -44,9 +44,6 @@ CONFIG_SPEED_OPTIMIZATIONS=y
CONFIG_LTO=y
CONFIG_ISR_TABLES_LOCAL_DECLARATION=y

# Bluetooth stack with SoftDevice Link Layer requires high frequency in Global Domain (GD) to make L2 cache and MRAM run fast to avoid code execution delays.
CONFIG_CLOCK_CONTROL_NRF2_GLOBAL_HSFLL_REQ_LOW_FREQ=n

################################################################################
# Debug logs

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3 changes: 0 additions & 3 deletions ...ns/nrf_desktop/configuration/nrf54h20dk_nrf54h20_cpurad/images/ipc_radio/prj_release.conf
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Expand Up @@ -41,9 +41,6 @@ CONFIG_SPEED_OPTIMIZATIONS=y
CONFIG_LTO=y
CONFIG_ISR_TABLES_LOCAL_DECLARATION=y

# Bluetooth stack with SoftDevice Link Layer requires high frequency in Global Domain (GD) to make L2 cache and MRAM run fast to avoid code execution delays.
CONFIG_CLOCK_CONTROL_NRF2_GLOBAL_HSFLL_REQ_LOW_FREQ=n

################################################################################
# Disable unused features

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5 changes: 0 additions & 5 deletions doc/nrf/releases_and_maturity/releases/release-notes-changelog.rst
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Expand Up @@ -246,11 +246,6 @@ nRF Desktop
* Disabled Bluetooth long workqueue (:kconfig:option:`CONFIG_BT_LONG_WQ`).
* Limited the number of key slots in the PSA Crypto core to 10 (:kconfig:option:`CONFIG_MBEDTLS_PSA_KEY_SLOT_COUNT`).

* Disabled the :kconfig:option:`CONFIG_CLOCK_CONTROL_NRF2_GLOBAL_HSFLL_REQ_LOW_FREQ` Kconfig option in the IPC radio image configuration for the nRF54H20 SoC.
This is done to ensure that the radio core requests high Global Domain (GD) frequency.
The option was enabled by default, because the clock control is enabled by the Multiprotocol Service Layer (MPSL).
Bluetooth stack with the SoftDevice Link Layer requires high frequency in GD to make the L2 cache and MRAM run fast to avoid code execution delays.
The :ref:`nrf_desktop_dvfs` running on the application core selects the clock control and enables an automatic low GD frequency request (:kconfig:option:`CONFIG_CLOCK_CONTROL_NRF2_GLOBAL_HSFLL_REQ_LOW_FREQ`), so the application core would not request high frequency in the GD.
* Application configurations for HID peripherals by increasing the following thread stack sizes to prevent stack overflows during the :c:func:`settings_load` operation:

* The system workqueue thread stack (:kconfig:option:`CONFIG_SYSTEM_WORKQUEUE_STACK_SIZE`).
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