Ordering Dell XPS 13 9310 to test QCA6390

[wi nk]

On Wed, Jan 13, 2021 at 12:54 PM Kalle Valo <kvalo at codeaurora.org> wrote:
>
> wi nk <wink at technolu.st> writes:
>
> >> I got the XPS 13 9310 now and it indeed had AX500. But it also has an
> >> updated BIOS:
> >>
> >> [    0.000000] DMI: Dell Inc. XPS 13 9310/0MRT12, BIOS 1.1.4 11/23/2020
> >>
> >> And with that I can get 32 MSI vectors:
> >>
> >> [    2.758219] ath11k_pci 0000:56:00.0: WARNING: ath11k PCI support is experimental!
> >> [ 2.758778] ath11k_pci 0000:56:00.0: BAR 0: assigned [mem
> >> 0x8c300000-0x8c3fffff 64bit]
> >> [    2.758797] ath11k_pci 0000:56:00.0: enabling device (0000 -> 0002)
> >> [    2.759086] ath11k_pci 0000:56:00.0: MSI vectors: 32
> >> [    3.208447] ath11k_pci 0000:56:00.0: qmi req mem_seg[0] 0x3f000000 3522560 1
> >> [    3.208449] ath11k_pci 0000:56:00.0: qmi req mem_seg[1] 0x3f500000 884736 4
> >> [ 3.215355] ath11k_pci 0000:56:00.0: chip_id 0x0 chip_family 0xb
> >> board_id 0xff soc_id 0xffffffff
> >> [ 3.215358] ath11k_pci 0000:56:00.0: fw_version 0x101c06cc
> >> fw_build_timestamp 2020-06-24 19:50 fw_build_id
> >
> >   I did see the updated BIOS from a few weeks ago, but I've been a
> > little hesitant to update since I wasn't sure what would happen or if
> > I could downgrade.
>
> Makes sense, better to be careful.
>
> > So to confirm, the new BIOS is allowing the driver to obtain all 32
> > msi vectors removing the need for the single MSI patching? Does the
> > MHI / M2 behavior also change to work properly?
>
> I have not tested these yet as I only did a quick 10 minute test. I was
> offline over two weeks so I have a lot of catching up to do, but will
> get back to you in next few days on these. My plan is to also test this
> new BIOS with the official 5.10 release from Linus (tag v5.10).
>
> --
> https://patchwork.kernel.org/project/linux-wireless/list/
>
> https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

Awesome, let me know how it goes.  I've got the 9310 branch running
5.10.2 with no issues (16 days uptime) so I wouldn't expect you to see
anything super new there, good luck :D.

ps - Happy new year