I'm having the same flickering issue right after upgrading to 7.0.0-38,
I downgraded to 7.0.0-34 to resolve the regression.
7.0.0-38-generic #38-Ubuntu SMP PREEMPT_DYNAMIC
03:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
[AMD/ATI] Navi 44 [Radeon RX 9060 XT] [1002:7590] (rev c0)
Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Device [1002:0124]
Kernel driver in use: amdgpu
Kernel modules: amdgpu
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c8:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
[AMD/ATI] HawkPoint1 [1002:1900] (rev c4)
Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Device [1002:0124]
Kernel driver in use: amdgpu
Kernel modules: amdgpu
My displays are all connected through the 03:00.0 RX 9060 XT
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https://bugs.launchpad.net/bugs/2169181
Title:
Visual background flickering and pixel artifacts after updating to
kernel 7.0.0-38 (regression from 7.0.0-34) | Ubuntu 26.04 | AMD Radeon
RX 9060
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