diff options
author | Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com> | 2018-12-18 11:22:51 +0100 |
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committer | Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com> | 2018-12-18 11:22:51 +0100 |
commit | 38c199fdceee81283adaebc3f89cc376621a349f (patch) | |
tree | ca10550dfa1491fd0d96ec3c8909ebcdc6d4b271 | |
parent | ea93d9811089873ab8608702a6d724df673aa2c1 (diff) |
rk3399-puma.dts: disable dmc
RAM frequency scaling causes instability with 4GB RAM configurations
and causes performance problems with video processing workloads that
do lots of DMA. Disable it for now and trade power consumption for
performance and determinism.
-rw-r--r-- | arch/arm64/boot/dts/rockchip/rk3399-puma.dts | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma.dts b/arch/arm64/boot/dts/rockchip/rk3399-puma.dts index d2304dd611de..0752339bab79 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-puma.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-puma.dts @@ -1018,7 +1018,7 @@ /* Dynamic Memory Controller */ &dmc { operating-points-v2 = <&dmc_opp_table>; - status = "okay"; + status = "disabled"; center-supply = <&vdd_center>; upthreshold = <20>; downdifferential = <10>; |