linux-kernel - Re: [PATCH v3 2/2] gpu: nova-core: add boot42 support for next-gen GPUs

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Message-ID: <38c110253990a02066d59a4979070f5110f6eb7e.camel@nvidia.com>
Date: Wed, 29 Oct 2025 15:02:11 +0000
From: Timur Tabi <ttabi@...dia.com>
To: "dakr@...nel.org" <dakr@...nel.org>, John Hubbard <jhubbard@...dia.com>
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Subject: Re: [PATCH v3 2/2] gpu: nova-core: add boot42 support for next-gen
 GPUs

On Tue, 2025-10-28 at 20:03 -0700, John Hubbard wrote:
> NVIDIA GPUs are moving away from using NV_PMC_BOOT_0 to contain
> architecture and revision details, and will instead use NV_PMC_BOOT_42
> in the future. NV_PMC_BOOT_0 will be zeroed out.

I don't think this is correct.  ARCH_1 in PMC_BOOT_0 will be set to 1 in future GPUs.