Thank you, Mario! I now have both AMD-owned outputs working.
I had a Good Boot with amdgpu/yellow_carp_dmcub.bin from the commit below. e758135298cc2652403f3ddd7f5b99463a34036aac406fc93e21bdaa3d54be3f /lib/firmware/updates/amdgpu/yellow_carp_dmcub.bin === git commit: 43c969c122346f46f0523e046df99f1d7825c6d1 amdgpu: update dmcub fw for various DCN version waynelin* 18.07.25, 10:58 === amdgpu: update dmcub fw for various DCN version From internal commit b0d01933b8b8b3ce0666538ceac20179e6d4c842 Tested with DC v3.2.342 - Update SSC from 0.0125 to 0.125 - Adjust rate control Signed-off-by: waynelin <[email protected]> -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2144530 Title: Regression on Acer Nitro AN17-41: amdgpu DC/DMUB fails to light up internal eDP and Radeon-routed USB-C/DP outputs on Ubuntu 26.04 / kernel 6.19, while Ubuntu 24.04.4 live works To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2144530/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
