Bug ID 1186944
Summary Recent kernel builds interfere with amdgpu power management on certain hardware
Classification openSUSE
Product openSUSE Tumbleweed
Version Current
Hardware x86-64
OS openSUSE Tumbleweed
Status NEW
Severity Normal
Priority P5 - None
Component Kernel
Assignee kernel-bugs@opensuse.org
Reporter za.open.source@gmail.com
QA Contact qa-bugs@suse.de
Found By ---
Blocker ---

Hello, in testing Tumbleweed on my Acer Nitro 5 AN515-42 laptop, I've noticed
that the default kernel has some problems regarding the power management of the
hybrid Raven Ridge/RX560x setup.

No matter what 3D load is run, the memory clock of the GPU hardware seems to be
locked at 300mhz, resulting in extremely poor performance.

This happens regardless of DRI_PRIME setting.

Curiously, if I force the TW installation to boot from the default Leap 15.3
kernel, this issue isn't present at all and 3D applications perform perfectly.


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