[linux-nvidia-6.17] Use architecture specific HBM training status register#331
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…ng status register Blackwell-Next GPUs use a different BAR0 offset (0xAD00BC) for the HBM training status register than GB200 (0x200BC). Add runtime detection by reading the architecture field from PMC BOOT_42 and selecting the appropriate offset when polling for device readiness. Signed-off-by: Ankit Agrawal <ankita@nvidia.com>
nvmochs
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Feb 25, 2026
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This looks good to me.
Acked-by: Matthew R. Ochs <mochs@nvidia.com>
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@ankita-nv Are there plans to upstream this patch? |
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Yeah, I'll post it shortly after internal review. |
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Ankit requested that we hold on getting this integrated. |
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Blackwell-Next GPUs use a different BAR0 offset (0xAD00BC) for the HBM
training status register than GB200 (0x200BC). Add runtime detection by
reading the architecture field from PMC BOOT_42 and selecting the
appropriate offset when polling for device readiness.
Signed-off-by: Ankit Agrawal ankita@nvidia.com