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memory: samsung: exynos5422-dmc: Adjust polling interval and uptreshold 

In order to react faster and make better decisions under some workloads,
benchmarking the memory subsystem behavior, adjust the polling interval
and upthreshold value used by the simple_ondemand governor.

Reported-by: Willy Wolff <willy.mh.wolff.ml@gmail.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Lukasz Luba 2020-07-10 20:11:21 +01:00 committed by Chanwoo Choi
parent ae8eb8ba52
commit 74ca9e4610
1 changed files with 2 additions and 2 deletions
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4
drivers/memory/samsung/exynos5422-dmc.c
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@ -1466,10 +1466,10 @@ static int exynos5_dmc_probe(struct platform_device *pdev)
* Setup default thresholds for the devfreq governor. * Setup default thresholds for the devfreq governor.
* The values are chosen based on experiments. * The values are chosen based on experiments.
*/ */
dmc->gov_data.upthreshold = 30; dmc->gov_data.upthreshold = 10;
dmc->gov_data.downdifferential = 5; dmc->gov_data.downdifferential = 5;
exynos5_dmc_df_profile.polling_ms = 500; exynos5_dmc_df_profile.polling_ms = 100;
} }