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crypto: qat - change value of default idle filter

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[ Upstream commit 0f942bdfe9 ]

The power management configuration of 4xxx devices is too aggressive
and in some conditions the device might be prematurely put to a low
power state.
Increase the idle filter value to prevent that.
In future, this will be set by firmware.

Fixes: e5745f3411 ("crypto: qat - enable power management for QAT GEN4")
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Damian Muszynski <damian.muszynski@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Giovanni Cabiddu
2023-06-22 10:26:35 +01:00
committed by Greg Kroah-Hartman
parent 912310dd84
commit 01964c6308
1 changed files with 1 additions and 1 deletions
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2
drivers/crypto/qat/qat_common/adf_gen4_pm.h
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@@ -35,7 +35,7 @@
#define ADF_GEN4_PM_MSG_PENDING BIT(0)
#define ADF_GEN4_PM_MSG_PAYLOAD_BIT_MASK GENMASK(28, 1)
#define ADF_GEN4_PM_DEFAULT_IDLE_FILTER (0x0)
#define ADF_GEN4_PM_DEFAULT_IDLE_FILTER (0x6)
#define ADF_GEN4_PM_MAX_IDLE_FILTER (0x7)
int adf_gen4_enable_pm(struct adf_accel_dev *accel_dev);