| Bug ID | 109217 |
|---|---|
| Summary | clock management is disabled for the 4K resolution with polar= is 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 fixe=
d 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 te=
sted
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=3D0xffffffff to the kernel command line makes t=
he
powerplay feature to work normally at 4K.
System:
Host: ryzenpc Kernel: 4.20.0-rc4+ x86_64 bits: 64 Desktop: Xfce 4.12.4=20
Distro: Debian GNU/Linux buster/sid=20
Machine:
Type: Desktop Mobo: ASUSTeK model: PRIME B350M-K v: Rev X.0x=20
serial: <root required> UEFI [Legacy]: American Megatrends v: 4207=
=20
date: 12/07/2018=20
CPU:
6-Core: AMD Ryzen 5 1600 type: MT MCP speed: 3132 MHz=20
Graphics:
Device-1: AMD Ellesmere [Radeon RX 470/480] driver: amdgpu v: kernel=20
Display: x11 server: X.Org 1.20.3 driver: amdgpu=20
resolution: 3840x2160~60Hz=20
OpenGL: renderer: Radeon RX 570 Series (POLARIS10 DRM 3.27.0 4.20.0-rc4+=
=20
LLVM 7.0.1)=20
v: 4.5 Mesa 19.0.0-devel (git-70be9af 2019-01-02 cosmic-oibaf-ppa)
It is the PP_OVERDRIVE_MASK bit that fixes this bug. AMD devel= opers, use find in files for "od_enabled" and review the code in polaris 10 relat= ed files.
Created attachment 143009
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--- Comment #3 from fin4478@hotmail.com ---
Created attachment 143010
--> https://bugs.freedesktop.org/attachment.cgi?id=3D143010&action=3Dedit
Xorg log
This bug is present in the 5.0-rc1 kernel too.
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Created attachment 143010 [detai=
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Xorg log
This bug is present in the 5.0-rc1 kernel too.
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From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@freedesktop.org
Subject: [Bug 109217] clock management is disabled for the 4K resolution with
polaris 10
Date: Tue, 22 Jan 2019 03:42:54 +0000
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fin4478@hotmail.com changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|NEW |RESOLVED
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What
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Resolution
---
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RESOLVED
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