Using a Lenovo ThinkPad T14 Gen 3, model 21CFCTO1WW: [20354.474671] [drm:link_enc_cfg_validate [amdgpu]] *ERROR* link_enc_cfg_validate: Invalid link encoder assignments - 0x1c [20355.134825] [drm:link_enc_cfg_validate [amdgpu]] *ERROR* link_enc_cfg_validate: Invalid link encoder assignments - 0x1c [20355.165092] [drm:link_enc_cfg_validate [amdgpu]] *ERROR* link_enc_cfg_validate: Invalid link encoder assignments - 0x1c [20995.690828] [drm:link_enc_cfg_validate [amdgpu]] *ERROR* link_enc_cfg_validate: Invalid link encoder assignments - 0x1c [20999.503163] [drm] DM_MST: stopping TM on aconnector: 000000008c25c9ea [id: 102] [20999.860981] [drm:link_enc_cfg_validate [amdgpu]] *ERROR* link_enc_cfg_validate: Invalid link encoder assignments - 0x1c [21001.947648] [drm] DM_MST: starting TM on aconnector: 000000008c25c9ea [id: 102] [21001.950605] [drm] DM_MST: DP14, 2-lane link detected [21002.064165] [drm] Downstream port present 1, type 2 [21002.123743] [drm] Downstream port present 1, type 2 [21002.194721] [drm:link_enc_cfg_validate [amdgpu]] *ERROR* link_enc_cfg_validate: Invalid link encoder assignments - 0x1c [23564.711532] [drm:link_enc_cfg_validate [amdgpu]] *ERROR* link_enc_cfg_validate: Invalid link encoder assignments - 0x1c [23565.357847] [drm:link_enc_cfg_validate [amdgpu]] *ERROR* link_enc_cfg_validate: Invalid link encoder assignments - 0x1c [23565.388147] [drm:link_enc_cfg_validate [amdgpu]] *ERROR* link_enc_cfg_validate: Invalid link encoder assignments - 0x1c [30159.783983] [drm:link_enc_cfg_validate [amdgpu]] *ERROR* link_enc_cfg_validate: Invalid link encoder assignments - 0x1c [30163.588495] [drm] DM_MST: stopping TM on aconnector: 000000008c25c9ea [id: 102] [30163.794029] [drm:link_enc_cfg_validate [amdgpu]] *ERROR* link_enc_cfg_validate: Invalid link encoder assignments - 0x1c [30164.013842] [drm:link_enc_cfg_validate [amdgpu]] *ERROR* link_enc_cfg_validate: Invalid link encoder assignments - 0x1c [30166.031511] [drm] DM_MST: starting TM on aconnector: 000000008c25c9ea [id: 102] [30166.034441] [drm] DM_MST: DP14, 2-lane link detected [30166.181684] [drm] Downstream port present 1, type 2 [30166.265200] [drm] Downstream port present 1, type 2 [30166.292833] [drm:link_enc_cfg_validate [amdgpu]] *ERROR* link_enc_cfg_validate: Invalid link encoder assignments - 0x1c [30166.606601] [drm:link_enc_cfg_validate [amdgpu]] *ERROR* link_enc_cfg_validate: Invalid link encoder assignments - 0x1c
Same here on 6.5 (hwe) with 22.04 base. 6.8 has other issues (freeze / hang) so I am unable to use that unfortunately. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2070096 Title: [amdgpu] Graphics driver issue: Display goes black for a second at random: [drm:link_enc_cfg_validate [amdgpu]] *ERROR* link_enc_cfg_validate: Invalid link encoder assignments - 0x1c To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-oem-6.5/+bug/2070096/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
