shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-11 13:27:06 +09:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
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 Mauro (mdrjr) Ribeiro
parent 289f75d117
commit c0bf8f8a2b
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/memory/samsung/exynos5422-dmc.c
View File

@@ -1470,10 +1470,10 @@ static int exynos5_dmc_probe(struct platform_device *pdev)
* Setup default thresholds for the devfreq governor.
* The values are chosen based on experiments.
*/
dmc->gov_data.upthreshold = 30;
dmc->gov_data.upthreshold = 10;
dmc->gov_data.downdifferential = 5;
exynos5_dmc_df_profile.polling_ms = 500;
exynos5_dmc_df_profile.polling_ms = 100;
}