RE: 7.0.9 vs 7.0.10/7.1 Radeon 260X regression

-----Original Message-----
From: Greg KH <[email protected]>
Sent: Sunday, May 31, 2026 1:43 PM
To: Artur Chlebek <[email protected]>
Cc: [email protected]; [email protected];
[email protected]
Subject: Re: 7.0.9 vs 7.0.10/7.1 Radeon 260X regression

On Sun, May 31, 2026 at 12:52:30PM +0200, Artur Chlebek wrote:
>> Hi, I have 5x fps drop on amdgpu Radeon 260X 1GB between kernel 7.0.9 
>> and
>> 7.0.10 or 7.1rc
>> 
>> Original sparse mail got flagged as spam so let me elaborate:
>> Newest vanilla Fedora with Plasma, Gigabyte GA-H97-D3H, looked into 
>> things like clocks, PM, ASPM, tried flags, GTTSIZE, .dc=0 - all seems 
>> fine nothing helps.
> 
> Can you use 'git bisect' to find the offending commit?
> 
> thanks,
> 
> greg k-h

I'm sorry I'm not familiar with git at all, and very new to Linux. I can do
some local tests if led by hand...

PS: I can confirm that 7.0.9-205 is 25fps in Unigine Heaven, and 7.0.10-200
(or 7.1 since beginning of rc availability) is 3-5fps.