Re: [PATCH v11 00/12] gpu: nova-core: add Turing support

[John Hubbard <jhubbard@nvidia.com>]

On 3/9/26 1:18 PM, Timur Tabi wrote:
> On Mon, 2026-03-09 at 13:04 -0700, John Hubbard wrote:
>>
>> I have that exact card available, so I'll give this a quick test and see
>> what's missing or wrong, now that Alex has pushed the entire Turing support
>> set up to drm-rust-next.
> 
> The TU117 is technically a mobile chip, and its VBIOS is different.  My initial version of the
> Turing patches would "ignore" the problematic VBIOS sections, so perhaps this changed.
> 

No repro on the latest drm-rust-next branch:

NovaCore 0000:e1:00.0: Probe Nova Core GPU driver.
NovaCore 0000:e1:00.0: NVIDIA (Chipset: TU117, Architecture: Turing, Revision: a.1)
NovaCore 0000:e1:00.0: Found BIOS image: size: 0xe600, type: Ok(PciAt), last: false
NovaCore 0000:e1:00.0: Found BIOS image: size: 0x11000, type: Ok(Efi), last: false
NovaCore 0000:e1:00.0: Found BIOS image: size: 0xc200, type: Ok(FwSec), last: false
NovaCore 0000:e1:00.0: Found BIOS image: size: 0x22400, type: Ok(FwSec), last: false
NovaCore 0000:e1:00.0: Invalid signature for NpdeStruct: [1, 1, 66, 86]
NovaCore 0000:e1:00.0: Invalid signature for NpdeStruct: [1, 1, 66, 86]
NovaCore 0000:e1:00.0: Found BIOS image: size: 0x1a00, type: Ok(Nbsi), last: true
NovaCore 0000:e1:00.0: PmuLookupTableEntry desc: V2(
    FalconUCodeDescV2 {
        hdr: 3932673,
        stored_size: 39968,
        uncompressed_size: 39968,
        virtual_entry: 0,
        interface_offset: 224,
        imem_phys_base: 0,
        imem_load_size: 38912,
        imem_virt_base: 0,
        imem_sec_base: 1024,
        imem_sec_size: 37888,
        dmem_offset: 38912,
        dmem_phys_base: 0,
        dmem_load_size: 1056,
        alt_imem_load_size: 38912,
        alt_dmem_load_size: 26168,
    },
)
NovaCore 0000:e1:00.0: FbLayout {
    fb: 0x0..0x100000000,
    vga_workspace: 0xfff00000..0x100000000,
    frts: 0xffe00000..0xfff00000,
    boot: 0xffdff000..0xffe00000,
    elf: 0xfe2c0000..0xffdf4ea0,
    wpr2_heap: 0xf7900000..0xfe200000,
    wpr2: 0xf7800000..0xfff00000,
    heap: 0xf7700000..0xf7800000,
    vf_partition_count: 0x0,
}
NovaCore 0000:e1:00.0: WPR2: 0xffe00000-0xffee0000
NovaCore 0000:e1:00.0: GPU instance built
NovaCore 0000:e1:00.0: GSP RPC: send: seq# 0, function=GspSetSystemInfo, length=0x3f0
NovaCore 0000:e1:00.0: GSP RPC: send: seq# 1, function=SetRegistry, length=0xc5
NovaCore 0000:e1:00.0: GSP MBOX0: 0xffffe000, MBOX1: 0x0
NovaCore 0000:e1:00.0: Using SEC2 to load and run the booter_load firmware...
NovaCore 0000:e1:00.0: SEC2 MBOX0: 0x0, MBOX10x0
NovaCore 0000:e1:00.0: RISC-V active? true
NovaCore 0000:e1:00.0: GSP RPC: receive: seq# 0, function=Ok(GspRunCpuSequencer), length=0x820
NovaCore 0000:e1:00.0: Running CPU Sequencer commands
NovaCore 0000:e1:00.0: CPU Sequencer commands completed successfully
NovaCore 0000:e1:00.0: GSP RPC: receive: seq# 0, function=Ok(GspPostNoCat), length=0x50c
NovaCore 0000:e1:00.0: GSP RPC: receive: seq# 0, function=Ok(GspPostNoCat), length=0x50c
NovaCore 0000:e1:00.0: GSP RPC: receive: seq# 0, function=Ok(GspInitDone), length=0x50
NovaCore 0000:e1:00.0: GSP RPC: send: seq# 2, function=GetGspStaticInfo, length=0x6c8
NovaCore 0000:e1:00.0: GSP RPC: receive: seq# 0, function=Ok(GetGspStaticInfo), length=0x6c8
NovaCore 0000:e1:00.0: GPU name: NVIDIA GeForce GTX 1650


>>
>>>
>>> However nouveau does not probe either with this firmware so that's not
>>> really this patchset fault.
> 
> Now *that* is interesting.  Nouveau does generally work on TU117s.
> 

thanks,
-- 
John Hubbard