| Bug ID | 109217 |
|---|---|
| Summary | clock management is disabled for the 4K resolution with polaris 10 |
| Product | DRI |
| Version | XOrg git |
| Hardware | x86-64 (AMD64) |
| OS | Linux (All) |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | DRM/AMDgpu |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | fin4478@hotmail.com |
Created attachment 142962 [details]
Simple python app for monitoring and changing the engine clock
When the Xfce desktop is visible at 4K and idling, the engine clock is fixed at
level 6: 1220MHz and you can not change that. The temperature is 38 C. The
automatic power management works with 2560x1600 and lower resolutions. I tested
with my python app and I have latest drivers, including firmware files. My
monitor is ASUS VP28UQG and I use the display port.
Adding amdgpu.ppfeaturemask=0xffffffff to the kernel command line makes the
powerplay feature to work normally at 4K.
System:
Host: ryzenpc Kernel: 4.20.0-rc4+ x86_64 bits: 64 Desktop: Xfce 4.12.4
Distro: Debian GNU/Linux buster/sid
Machine:
Type: Desktop Mobo: ASUSTeK model: PRIME B350M-K v: Rev X.0x
serial: <root required> UEFI [Legacy]: American Megatrends v: 4207
date: 12/07/2018
CPU:
6-Core: AMD Ryzen 5 1600 type: MT MCP speed: 3132 MHz
Graphics:
Device-1: AMD Ellesmere [Radeon RX 470/480] driver: amdgpu v: kernel
Display: x11 server: X.Org 1.20.3 driver: amdgpu
resolution: 3840x2160~60Hz
OpenGL: renderer: Radeon RX 570 Series (POLARIS10 DRM 3.27.0 4.20.0-rc4+
LLVM 7.0.1)
v: 4.5 Mesa 19.0.0-devel (git-70be9af 2019-01-02 cosmic-oibaf-ppa)
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