Messages in this thread Patch in this message | | | From | Oded Gabbay <> | Subject | [PATCH 14/16] habanalabs/gaudi: define DC POWER for secured PMC | Date | Wed, 18 Aug 2021 16:39:20 +0300 |
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In secured mode, the CGM is disabled. Therefore, the DC power is higher. Without taking it into consideration, the utilization is 12-15% at idle.
Signed-off-by: Oded Gabbay <ogabbay@kernel.org> --- drivers/misc/habanalabs/gaudi/gaudi.c | 6 +++++- drivers/misc/habanalabs/gaudi/gaudiP.h | 2 ++ 2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index c8bd76e30679..ba1fcdc16f50 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -506,7 +506,11 @@ static inline void set_default_power_values(struct hl_device *hdev) if (hdev->card_type == cpucp_card_type_pmc) { prop->max_power_default = MAX_POWER_DEFAULT_PMC; - prop->dc_power_default = DC_POWER_DEFAULT_PMC; + + if (prop->fw_security_enabled) + prop->dc_power_default = DC_POWER_DEFAULT_PMC_SEC; + else + prop->dc_power_default = DC_POWER_DEFAULT_PMC; } else { prop->max_power_default = MAX_POWER_DEFAULT_PCI; prop->dc_power_default = DC_POWER_DEFAULT_PCI; diff --git a/drivers/misc/habanalabs/gaudi/gaudiP.h b/drivers/misc/habanalabs/gaudi/gaudiP.h index 2f0928c0fa8f..7addb31e3eee 100644 --- a/drivers/misc/habanalabs/gaudi/gaudiP.h +++ b/drivers/misc/habanalabs/gaudi/gaudiP.h @@ -52,6 +52,8 @@ #define DC_POWER_DEFAULT_PCI 60000 /* 60W */ #define DC_POWER_DEFAULT_PMC 60000 /* 60W */ +#define DC_POWER_DEFAULT_PMC_SEC 97000 /* 97W */ + #define GAUDI_CPU_TIMEOUT_USEC 30000000 /* 30s */ #define TPC_ENABLED_MASK 0xFF -- 2.17.1
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