Comment # 1
on bug 104737
from Tj
I helped this user for several hours in #ubuntu IRc support diagnosing this
issue.
It's:
DMI: HP HP Notebook/81EC, BIOS F.23 12/01/2016
with integrated Intel and AMD GPUs.
We fetched the latest firmware for amdgpu/raven* from the linux-firmware repo.
We tested the stock Ubuntu v4.13 kernel and the latest mainline build of
v4.15-rc8.
In neither case would the amdgpu module bind to the GPU despite it declaring a
matching modalias. The radeon driver did bind. We blacklisted radeon but could
not get amdgpu to bind. There was nothing in the kernel log to indicate amdgpu
even 'looked' at the GPU.
gopal@gopal-HP-Notebook:~$ lspci -nnvvk -d ::0380
01:00.0 Display controller [0380]: Advanced Micro Devices, Inc. [AMD/ATI] Sun
XT [Radeon HD 8670A/8670M/8690M / R5 M330 / M430 / R7 M520] [1002:6660] (rev
83)
Subsystem: Hewlett-Packard Company Sun XT [Radeon HD 8670A/8670M/8690M
/ R5 M330] [103c:81ec]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 126
Region 0: Memory at 90000000 (64-bit, prefetchable) [size=256M]
Region 2: Memory at b1300000 (64-bit, non-prefetchable) [size=256K]
Region 4: I/O ports at 4000 [size=256]
Expansion ROM at b1340000 [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: radeon
Kernel modules: radeon, amdgpu
dmesg log (when radeon driver binds) @ https://paste.ubuntu.com/26432143/
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