From 31a1c5e30529fea0661c4dd15de601ee97612149 Mon Sep 17 00:00:00 2001 From: Josh Lay Date: Wed, 3 Aug 2022 02:18:22 -0500 Subject: [PATCH] update --- README.md | 21 +++++++++++++-------- 1 file changed, 13 insertions(+), 8 deletions(-) diff --git a/README.md b/README.md index f71dcd0..c65ed46 100644 --- a/README.md +++ b/README.md @@ -11,10 +11,10 @@ _Warning_: Only tested with RX6000 series GPUs, Navi or older may not work prope An example of the output/provided profiles follow | Output profile | Description | -|---|---| -| `balanced-amdgpu-default` | Includes the (assumed) existing `balanced` tuned profile.
Only adjusts the GPU power limit (typically lower). Clocks/voltage curve remain the default. | -| `desktop-amdgpu-VR` | Includes the (assumed) existing `desktop` tuned profile.
Adjusts the GPU power limit, clocks, _and_ the voltage curve.
Uses the predefined `VR` profile in the driver. See `/sys/class/drm/card*/device/pp_power_profile_mode` | -| `latency-performance-amdgpu-custom` | Includes the existing `latency-performance` tuned profile.
Like the existing GPU profiles (eg: _VR)), this also adjusts the GPU power limit, clocks, _and_ the voltage curve.
This differs by using the `custom` profile in the driver. This opens up further tweaking of the power/clock heuristics through the driver (currently manual). see: [pp-dpm](https://docs.kernel.org/gpu/amdgpu/thermal.html#pp-dpm) | +|:---|---| +| `balanced-amdgpu-default` | Includes the (assumed) existing `balanced` tuned profile.

Only adjusts the GPU power limit (typically lower). Clocks/voltage curve remain the default. | +| `desktop-amdgpu-VR` | Includes the (assumed) existing `desktop` tuned profile.

Adjusts the GPU power limit, clocks, _and_ the voltage curve.

Uses the predefined `VR` profile in the driver. See `/sys/class/drm/card*/device/pp_power_profile_mode` | +| `latency-performance-amdgpu-custom` | Includes the existing `latency-performance` tuned profile.

Like the existing GPU profiles (eg: _VR)), this also adjusts the GPU power limit, clocks, _and_ the voltage curve.

This differs by using the `custom` profile in the driver. This opens up further tweaking of the power/clock heuristics through the driver (currently manual). see: [pp-dpm](https://docs.kernel.org/gpu/amdgpu/thermal.html#pp-dpm) | **Note**: This is non-exhaustive, see the variables `base_profiles` and `amdgpu_profiles` below for the (default) sources of the merged profile mapping @@ -32,11 +32,16 @@ An example of the output/provided profiles follow - `network-throughput` - `powersave` - `virtual-host` - -`amdgpu_profiles`: Mapping of AMDGPU power profiles (`name`/`value`) defined in the `sysfs` path above. Varies, sample is with a 6900XT. Defaults below + - `amdgpu_profiles`: Dictionary mapping the AMDGPU power profiles found in `/sys/class/drm/card*/device/pp_power_profile_mode`. + - Allows adjustment to the automatic power/clock handling in the GPU using either predefined profiles or `custom` + - More may be added, only three GPU power profiles are provided: + - default + - VR + - custom + - May vary by GPU/generation, sample (defaults, below) are from a 6900XT: ``` -amdgpu_profiles: # statically defined mapping of the contents in /sys/class/drm/card*/device/pp_power_profile_mode - default: # more may be added, but do not remove default/custom. new profiles require a script template, see 'templates' +amdgpu_profiles: + default: pwrmode: 0 VR: pwrmode: 4