diff options
Diffstat (limited to 'Documentation/ABI/testing/debugfs-driver-habanalabs')
| -rw-r--r-- | Documentation/ABI/testing/debugfs-driver-habanalabs | 20 |
1 files changed, 2 insertions, 18 deletions
diff --git a/Documentation/ABI/testing/debugfs-driver-habanalabs b/Documentation/ABI/testing/debugfs-driver-habanalabs index 2667cbf940f3..bcf6915987e4 100644 --- a/Documentation/ABI/testing/debugfs-driver-habanalabs +++ b/Documentation/ABI/testing/debugfs-driver-habanalabs @@ -12,24 +12,7 @@ What: /sys/kernel/debug/habanalabs/hl<n>/clk_gate Date: May 2020 KernelVersion: 5.8 Contact: ogabbay@kernel.org -Description: Allow the root user to disable/enable in runtime the clock - gating mechanism in Gaudi. Due to how Gaudi is built, the - clock gating needs to be disabled in order to access the - registers of the TPC and MME engines. This is sometimes needed - during debug by the user and hence the user needs this option. - The user can supply a bitmask value, each bit represents - a different engine to disable/enable its clock gating feature. - The bitmask is composed of 20 bits: - - ======= ============ - 0 - 7 DMA channels - 8 - 11 MME engines - 12 - 19 TPC engines - ======= ============ - - The bit's location of a specific engine can be determined - using (1 << GAUDI_ENGINE_ID_*). GAUDI_ENGINE_ID_* values - are defined in uapi habanalabs.h file in enum gaudi_engine_id +Description: This setting is now deprecated as clock gating is handled solely by the f/w What: /sys/kernel/debug/habanalabs/hl<n>/command_buffers Date: Jan 2019 @@ -239,6 +222,7 @@ KernelVersion: 5.6 Contact: ogabbay@kernel.org Description: Sets the stop-on_error option for the device engines. Value of "0" is for disable, otherwise enable. + Relevant only for GOYA and GAUDI. What: /sys/kernel/debug/habanalabs/hl<n>/timeout_locked Date: Sep 2021 |