Re: Barco MXRT-5600 branded W5100 with PCI ID 664d

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On Sun, Jan 15, 2023 at 11:49 AM Matthias Reichl <hias@xxxxxxxxx> wrote:
>
> I noticed some of the used HP Z240 workstations I recently bought had a
> Barco MXRT-5600 branded FirePro W5100 card installed - some others came with
> an unbranded W5100 (with the standard 6449 PCI ID).
>
> Except for a large Barco sticker on the top and Barco being mentioned on
> the barcode label on the back they look completely identical.
>
> lspci knows about the 644d PCI ID but neither the radeon nor amdgpu kernel
> drivers do nor does drm/mesa/xorg userspace.
>
> I had a go at it, added the pci id to kernel drivers, libdrm, mesa, xf86-video-ati
> and xserver and got the card working fine on Debian Bullseye with kernel 6.2-rc3.
> I also gave it a quick try with LibreELEC (where we build bleeding edge versions
> from scratch) and that worked fine, too.
>
> Do you happen to know more about that card and why the PCI ID is missing in
> linux drivers/userspace?

I don't see that DID in either the Linux driver or our windows driver.
Presumably it was a special card supported with a special driver for a
specific customer.  I'm not really sure off hand whether it needs some
special handling.

Alex


>
> I'm just attaching my current kernel and userspace patches as a reference
> for now but I'm very unsure in which sequence they should be applied without
> risking breakage - I already found out the hard way that patched xorg server
> and driver with old libdrm is a bad idea as that results in "Failed to initialize
> surface manager" instead of starting with framebuffer driver.
>
> If you prefer I can send proper patches or I can just you let handle it.
>
> For reference here's the lspci outout (with patched kernel and cik support
> enabled in amdgpu):
>
> root@camel3:~# lspci -vn -s 01:00.0
> 01:00.0 0300: 1002:664d (prog-if 00 [VGA controller])
>         Subsystem: 13cc:3d2a
>         Flags: bus master, fast devsel, latency 0, IRQ 137
>         Memory at 1c00000000 (64-bit, prefetchable) [size=4G]
>         Memory at 1d00000000 (64-bit, prefetchable) [size=8M]
>         I/O ports at 3000 [size=256]
>         Memory at d0f00000 (32-bit, non-prefetchable) [size=256K]
>         Expansion ROM at d0f40000 [disabled] [size=128K]
>         Capabilities: [48] Vendor Specific Information: Len=08 <?>
>         Capabilities: [50] Power Management version 3
>         Capabilities: [58] Express Legacy Endpoint, MSI 00
>         Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+
>         Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?>
>         Capabilities: [150] Advanced Error Reporting
>         Capabilities: [200] Physical Resizable BAR
>         Capabilities: [270] Secondary PCI Express
>         Capabilities: [2b0] Address Translation Service (ATS)
>         Capabilities: [2c0] Page Request Interface (PRI)
>         Capabilities: [2d0] Process Address Space ID (PASID)
>         Kernel driver in use: amdgpu
>         Kernel modules: radeon, amdgpu
>
> so long,
>
> Hias



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