amdgpu kernel module should be used instead of radeon on amd graphic

[Alex Tu]

there're some graphic be supported both on amdgpu and radeon.
But somehow kernel might pick radeon instead of amdgpu.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-oem 4.15.0.1057.61
ProcVersionSignature: Ubuntu 4.15.0-1057.66-oem 4.15.18
Uname: Linux 4.15.0-1057-oem x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
Date: Tue Oct 8 03:33:43 2019
DistributionChannelDescriptor:
 # This is the distribution channel descriptor for the OEM CDs
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-bionic-amd64-20180608-47+beaver-lancel+X97
InstallationDate: Installed on 2019-10-04 (3 days ago)
InstallationMedia: Ubuntu 18.04 "Bionic" - Build amd64 LIVE Binary 20180608-09:38
SourcePackage: linux-meta-oem
UpgradeStatus: No upgrade log present (probably fresh install)

[Timo Aaltonen (tjaalton)]

When will upstream migrate CI/SI to use amdgpu? We need to think of upgrades, and if upstream (AMD) doesn't know when or if that will happen, then we'd need to keep the change "forever".

[Timo Aaltonen (tjaalton)]

DC does not support VGA yet
https://bugs.freedesktop.org/show_bug.cgi?id=105880

[AceLan Kao (acelankao)]

P: /devices/pci0000:00/0000:00:1c.0/0000:01:00.0
E: DEVPATH=/devices/pci0000:00/0000:00:1c.0/0000:01:00.0
E: DRIVER=radeon
E: FWUPD_GUID=0x1002:0x6665
E: ID_MODEL_FROM_DATABASE=Jet PRO [Radeon R5 M230]
E: ID_PCI_CLASS_FROM_DATABASE=Display controller
E: ID_PCI_SUBCLASS_FROM_DATABASE=Display controller
E: ID_VENDOR_FROM_DATABASE=Advanced Micro Devices, Inc. [AMD/ATI]
E: MODALIAS=pci:v00001002d00006665sv00001028sd00000967bc03sc80i00
E: PCI_CLASS=38000
E: PCI_ID=1002:6665
E: PCI_SLOT_NAME=0000:01:00.0
E: PCI_SUBSYS_ID=1028:0967
E: SUBSYSTEM=pci
E: USEC_INITIALIZED=6275515

[Timo Aaltonen (tjaalton)]

AMD has no plans to do this, so if we were to enable amdgpu for CI, we'd be on our own

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Yuan-Chen Cheng (ycheng-twn)]

no longer priority