Bug#908248: Patch available but not part in mainstream

Hello team, There seems to be patch available, but not part of upstream kernel source yet (checked against 4.18.7 git), provided by AMD employee. Applied the patch listed from page below to 4.18.6 kernel from kernel.org and no issues visible related to udev stuck as reported before.

Bug#908313: /lib/modules/4.18.0-1-amd64/kernel/drivers/gpu/drm/amd/amdgpu/amdgpu.ko: black screen after restore from monitor sleep mode

Package: src:linux Version: 4.18.6-1 Severity: important File: /lib/modules/4.18.0-1-amd64/kernel/drivers/gpu/drm/amd/amdgpu/amdgpu.ko When monitor HP LP2475w enters sleep mode it is not possible to recover to normal operations even monitor led switch from orange to green - the screen stay

Bug#908248: linux-image-amd64: udev hung due to CCP, long shutdown due to process stuck

Package: linux-image-amd64 Version: 4.18+98 Severity: important Issue apply to testing kernel 4.17.*, kernel 4.18 installed to proof the issue was not solved in newer kernel release. Due to the process hung the shutdown of the system takes 5 - 10 minutes where message about "dead" udev process