Ordering Dell XPS 13 9310 to test QCA6390

[Kalle Valo]

Kalle Valo <kvalo at codeaurora.org> writes:

> Mitchell Nordine <mail at mitchellnordine.com> writes:
>
>>> But I have now ordered Dell XPS 13 laptop and I should get it in
>> three weeks, keeping fingers crossed. That should make things easier
>> as I can test patches myself.
>>
>> Hi Kalle, you may already be aware of this, but I just wanted to make sure!
>>
>> Not all Dell XPS 13 9310 laptops come with the AX500 connectivity chip
>> (the one that uses the QCA6390). It seems that only the models with
>> 32GB RAM tend to come with the AX500 wifi chip.
>>
>> Most models appear to come with the AX1650 which I believe uses a
>> totally different chip and driver that is already well supported in
>> Linux.
>>
>> It might be worth double-checking the model that you have ordered has the AX500.
>
> I had heard about that so I did order the 32 GB RAM model and multiple
> times specified that I only want AX500. So I'm optimistic that I should
> get the right chip, but you never know how it goes :)

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 

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