diff options
| author | Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com> | 2018-12-18 11:22:51 +0100 |
|---|---|---|
| committer | Jakob Unterwurzacher <jakob.unterwurzacher@theobroma-systems.com> | 2019-06-28 19:09:35 +0200 |
| commit | e8bc18d1875f8a2d830bb64c3164c8398b14e51b (patch) | |
| tree | 247452d6c3df4ee011f15e15807fd1bbd3b7a4fe | |
| parent | caf6b0e5a9139f405a84469241cb5c2474ce5f22 (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 58f91de211cd..85997c087da6 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>; |