Kernel issue on Vega 10 when plugging in second monitor

Issue

• When plugging in a second monitor to a Vega 10 XT Radeon card. It may produce kernel errors.

• An example of the errors created:

kernel:  [<ffffffffb5754638>] dump_stack+0x19/0x1b
kernel:  [<ffffffffb5096278>] __warn+0xd8/0x100
kernel:  [<ffffffffb50963bd>] warn_slowpath_null+0x1d/0x20
kernel:  [<ffffffffc052104d>] prepare_flip_isr+0x7d/0x80 [amdgpu]
kernel:  [<ffffffffc0521f59>] amdgpu_dm_atomic_commit_tail+0x899/0xf10 [amdgpu]
kernel:  [<ffffffffc0422cd2>] commit_tail+0x42/0x80 [drm_kms_helper]
kernel:  [<ffffffffc0423398>] drm_atomic_helper_commit+0x138/0x150 [drm_kms_helper]
kernel:  [<ffffffffc051f2a5>] amdgpu_dm_atomic_commit+0x95/0xa0 [amdgpu]
kernel:  [<ffffffffc0385e9a>] drm_atomic_commit+0x4a/0x50 [drm]
kernel:  [<ffffffffc04234d2>] drm_atomic_helper_legacy_gamma_set+0x122/0x170 [drm_kms_helper]
kernel:  [<ffffffffc039070f>] drm_mode_gamma_set_ioctl+0x19f/0x1d0 [drm]
kernel:  [<ffffffffc0390570>] ? drm_mode_crtc_set_gamma_size+0xa0/0xa0 [drm]
kernel:  [<ffffffffc0373f8c>] drm_ioctl_kernel+0x6c/0xb0 [drm]
kernel:  [<ffffffffc037424b>] drm_ioctl+0x1db/0x3f0 [drm]
kernel:  [<ffffffffc0390570>] ? drm_mode_crtc_set_gamma_size+0xa0/0xa0 [drm]
kernel:  [<ffffffffc044204b>] amdgpu_drm_ioctl+0x4b/0x80 [amdgpu]
kernel:  [<ffffffffb52522e0>] do_vfs_ioctl+0x360/0x550
kernel:  [<ffffffffb5252571>] SyS_ioctl+0xa1/0xc0
kernel:  [<ffffffffb5767c2f>] ? system_call_after_swapgs+0xbc/0x160
kernel:  [<ffffffffb5767cef>] system_call_fastpath+0x1c/0x21
kernel:  [<ffffffffb5767c3b>] ? system_call_after_swapgs+0xc8/0x160

• or

[    9.573074] [drm:atom_op_jump [amdgpu]] *ERROR* atombios stuck in loop for more than 5secs aborting
[    9.573106] [drm:amdgpu_atom_execute_table_locked [amdgpu]] *ERROR* atombios stuck executing E19A (len 824, WS 0, PS 0) @ 0xE2E9
[    9.573132] [drm:amdgpu_atom_execute_table_locked [amdgpu]] *ERROR* atombios stuck executing E054 (len 326, WS 0, PS 0) @ 0xE0DF
[    9.573194] [drm:log_to_debug_console [amdgpu]] *ERROR* dce110_link_encoder_enable_dp_output: Failed to execute VBIOS command table!