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Thanks to Danilo Krummrich's feedback for that improvement. v1 cover letter: 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. Change the selection logic in Nova so that it will claim Turing and later GPUs. This will work for the foreseeable future, without any further code changes here, because all NVIDIA GPUs are considered, from the oldest supported on Linux (NV04), through the future GPUs. Add some comment documentation to explain, chronologically, how boot0 and boot42 change with the GPU eras, and how that affects the selection logic. Also, remove the Revision type, because Revision is no longer valuable as a stand-alone type, because we only ever want the full information that Spec provides. This is based on today's drm-rust-next, which in turn is based on Linux 6.18-rc2. John Hubbard (2): gpu: nova-core: merge the Revision type into the Spec type gpu: nova-core: add boot42 support for next-gen GPUs drivers/gpu/nova-core/gpu.rs | 104 +++++++++++++++++++++++----------- drivers/gpu/nova-core/regs.rs | 27 +++++++++ 2 files changed, 99 insertions(+), 32 deletions(-) base-commit: ca16b15e78f4dee1631c0a68693f5e7d9b3bb3ec -- 2.51.1