linux-kernel - Re: [PATCH v6 00/24] nova-core: run FWSEC-FRTS to perform first stage of GSP initialization

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Message-ID: <aFnArVIFkHCUzNqe@pollux>
Date: Mon, 23 Jun 2025 23:01:33 +0200
From: Danilo Krummrich <dakr@...nel.org>
To: Alexandre Courbot <acourbot@...dia.com>
Cc: Miguel Ojeda <ojeda@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>,
	Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>,
	Björn Roy Baron <bjorn3_gh@...tonmail.com>,
	Andreas Hindborg <a.hindborg@...nel.org>,
	Alice Ryhl <aliceryhl@...gle.com>, Trevor Gross <tmgross@...ch.edu>,
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Benno Lossin <lossin@...nel.org>,
	John Hubbard <jhubbard@...dia.com>, Ben Skeggs <bskeggs@...dia.com>,
	Joel Fernandes <joelagnelf@...dia.com>,
	Timur Tabi <ttabi@...dia.com>, Alistair Popple <apopple@...dia.com>,
	linux-kernel@...r.kernel.org, rust-for-linux@...r.kernel.org,
	nouveau@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
	Lyude Paul <lyude@...hat.com>,
	Shirish Baskaran <sbaskaran@...dia.com>
Subject: Re: [PATCH v6 00/24] nova-core: run FWSEC-FRTS to perform first
 stage of GSP initialization

On Thu, Jun 19, 2025 at 10:23:44PM +0900, Alexandre Courbot wrote:

Applied to nova-next, thanks!

> Alexandre Courbot (21):
>       rust: make ETIMEDOUT error available
>       rust: sizes: add constants up to SZ_2G
>       gpu: nova-core: use absolute paths in register!() macro
>       gpu: nova-core: add delimiter for helper rules in register!() macro
>       gpu: nova-core: expose the offset of each register as a type constant
>       gpu: nova-core: allow register aliases
>       gpu: nova-core: increase BAR0 size to 16MB
>       gpu: nova-core: add helper function to wait on condition
>       gpu: nova-core: wait for GFW_BOOT completion

  [ Slightly adjust comments in wait_gfw_boot_completion(). - Danilo ]

>       gpu: nova-core: add DMA object struct
>       gpu: nova-core: register sysmem flush page

  [ * Use kernel::page::PAGE_SIZE instead of kernel::bindings::PAGE_SIZE.
    * Get rid of the Option for SysmemFlush.
    * Slightly reword SysmemFlush doc-comments.

    - Danilo ]

>       gpu: nova-core: add falcon register definitions and base code
>       gpu: nova-core: firmware: add ucode descriptor used by FWSEC-FRTS
>       gpu: nova-core: compute layout of the FRTS region

  [ In doc-comment of FbLayout s/bootup process/boot process/ - Danilo ]

>       gpu: nova-core: add types for patching firmware binaries
>       gpu: nova-core: extract FWSEC from BIOS and patch it to run FWSEC-FRTS
>       gpu: nova-core: load and run FWSEC-FRTS
>       gpu: nova-core: update and annotate TODO list
> 
> Joel Fernandes (3):
>       gpu: nova-core: vbios: Add base support for VBIOS construction and iteration

  [ Replace extend_with() and copy_from_slice() with extend_from_slice();
    re-format and use markdown in comments. - Danilo ]

>       gpu: nova-core: vbios: Add support to look up PMU table in FWSEC

  [ Re-format and use markdown in comments. - Danilo ]

>       gpu: nova-core: vbios: Add support for FWSEC ucode extraction

  [ Re-format and use markdown in comments. - Danilo ]

There's one thing that would be nice to fix subsequently, which is properly
resetting the GPU. Currently, it needs a power cycle to be able to probe
successfully after unbinding the driver.

- Danilo