On 11/25/25 5:39 PM, John Hubbard wrote: > Hi, > > I'm posting this now, instead of with the upcoming full Hopper/Blackwell > series, because this includes some HAL improvements here that will > undoubtedly interact "a little bit" with Timur Tabi's Turing support > patchset [1]. >
Thanks to everyone (Lyude, Alex C.) who looked at this so far. I'm planning to merge it into the upcoming Hopper/Blackwell firmware series, due to the timing of things: it no longer helps to have these prerequisites all by themselves. thanks, -- John Hubbard > Changes in v2: > > 0) Rebased on top of today's drm-rust-next. > > 1) Use a new FbRange newtype, in order to clean up the implementation of > printing ranges with sizes. (Thanks to Alex Courbot's suggestion.) > > 2) Combined the Hopper and Blackwell HAL additions, into a single patch, > as recommended by Timur Tabi. > > 3) Used a separate patch to change the "use" lines to vertical format. > That patch is already a commit in drm-rust-next, so this series builds > on top of that. > > 4) Dropped one patch entirely, because the boot0/boot42 commits fixed > up everything already. > > As implied above, this is based on top of today's drm-rust-next. There > is also a branch, for convenience in reviewing: > > https://github.com/johnhubbard/linux/tree/nova-core-blackwell-prereqs-v2 > > [1] https://lore.kernel.org/[email protected] > > ************************************************************************ > Here's the original cover letter, edited slightly (removed the link > to the v0 series, to avoid anyone going there by mistake): > > I've based these Hopper/Blackwell prerequisites on top of Joel's and > Alex's changes, and also on top of my recent boot0/boot42 changes. > > This makes it easier for both Timur Tabi to post his Turing support > (which he's about ready to do), and for me to post the actual > Hopper/Blackwell support, without generating conflicts. > > Testing: This works as expected on Ampere and Blackwell (bare metal), > on my local test machine. > > John Hubbard (5): > gpu: nova-core: print FB sizes, along with ranges > gpu: nova-core: add FbRange.len() and use it in boot.rs > gpu: nova-core: Hopper/Blackwell: basic GPU identification > nova-core: factor .fwsignature* selection into a new > get_gsp_sigs_section() > gpu: nova-core: use GPU Architecture to simplify HAL selections > > drivers/gpu/nova-core/falcon/hal.rs | 19 ++++--- > drivers/gpu/nova-core/fb.rs | 72 ++++++++++++++++++++------- > drivers/gpu/nova-core/fb/hal.rs | 18 +++---- > drivers/gpu/nova-core/firmware/gsp.rs | 30 +++++++++-- > drivers/gpu/nova-core/gpu.rs | 22 ++++++++ > drivers/gpu/nova-core/gsp/boot.rs | 2 +- > 6 files changed, 125 insertions(+), 38 deletions(-) > > > base-commit: 57dc2ea0b7bdb828c5d966d9135c28fe854933a4
