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From: Joel Fernandes <joelagnelf@nvidia.com>
To: Alexandre Courbot <acourbot@nvidia.com>
Cc: linux-kernel@vger.kernel.org, Miguel Ojeda <ojeda@kernel.org>,
	Boqun Feng <boqun@kernel.org>, Gary Guo <gary@garyguo.net>,
	Bjorn Roy Baron <bjorn3_gh@protonmail.com>,
	Benno Lossin <lossin@kernel.org>,
	Andreas Hindborg <a.hindborg@kernel.org>,
	Alice Ryhl <aliceryhl@google.com>,
	Trevor Gross <tmgross@umich.edu>,
	Danilo Krummrich <dakr@kernel.org>,
	Dave Airlie <airlied@redhat.com>,
	Daniel Almeida <daniel.almeida@collabora.com>,
	dri-devel@lists.freedesktop.org, rust-for-linux@vger.kernel.org,
	nova-gpu@lists.linux.dev, Nikola Djukic <ndjukic@nvidia.com>,
	David Airlie <airlied@gmail.com>,
	Boqun Feng <boqun.feng@gmail.com>,
	John Hubbard <jhubbard@nvidia.com>,
	Alistair Popple <apopple@nvidia.com>,
	Timur Tabi <ttabi@nvidia.com>, Edwin Peer <epeer@nvidia.com>,
	Andrea Righi <arighi@nvidia.com>,
	Andy Ritger <aritger@nvidia.com>, Zhi Wang <zhiw@nvidia.com>,
	Balbir Singh <balbirs@nvidia.com>,
	Philipp Stanner <phasta@kernel.org>,
	alexeyi@nvidia.com, Eliot Courtney <ecourtney@nvidia.com>,
	joel@joelfernandes.org, linux-doc@vger.kernel.org
Subject: Re: [PATCH v12 01/22] gpu: nova-core: gsp: Return GspStaticInfo from boot()
Date: Tue, 5 May 2026 14:25:45 -0400	[thread overview]
Message-ID: <b0d54b3f-4708-433b-9180-afd6a54c6226@nvidia.com> (raw)
In-Reply-To: <DI8AZLB2610U.10MNQ0IPV6NSL@nvidia.com>



On 5/2/2026 11:41 AM, Alexandre Courbot wrote:
> On Sun Apr 26, 2026 at 6:14 AM JST, Joel Fernandes wrote:
>> Refactor the GSP boot function to return GetGspStaticInfoReply.
>>
>> This enables access required for memory management initialization to:
>> - bar1_pde_base: BAR1 page directory base.
>> - bar2_pde_base: BAR2 page directory base.
>> - usable memory regions in video memory.
>>
>> Reviewed-by: Eliot Courtney <ecourtney@nvidia.com>
>> Reviewed-by: John Hubbard <jhubbard@nvidia.com>
>> Cc: Nikola Djukic <ndjukic@nvidia.com>
>> Signed-off-by: Joel Fernandes <joelagnelf@nvidia.com>
>> ---
>>  drivers/gpu/nova-core/gpu.rs      |  8 ++++++--
>>  drivers/gpu/nova-core/gsp/boot.rs | 12 ++++++++----
>>  2 files changed, 14 insertions(+), 6 deletions(-)
>>
>> diff --git a/drivers/gpu/nova-core/gpu.rs b/drivers/gpu/nova-core/gpu.rs
>> index 0f6fe9a1b955..f2a8915a1ff4 100644
>> --- a/drivers/gpu/nova-core/gpu.rs
>> +++ b/drivers/gpu/nova-core/gpu.rs
>> @@ -21,7 +21,10 @@
>>      },
>>      fb::SysmemFlush,
>>      gfw,
>> -    gsp::Gsp,
>> +    gsp::{
>> +        commands::GetGspStaticInfoReply,
>> +        Gsp, //
>> +    },
>>      regs,
>>  };
>>  
>> @@ -238,6 +241,7 @@ pub(crate) struct Gpu {
>>      /// GSP runtime data. Temporarily an empty placeholder.
>>      #[pin]
>>      gsp: Gsp,
>> +    gsp_static_info: GetGspStaticInfoReply,
> 
> A short doccomment would be nice, but otherwise this looks good.

I had added one before, but John suggested to drop it. I could add it back again
if all agree on what we want to do. I am Ok with either though I'd lean more to
the fact that its not necessary since it will basically read like the variable.

thanks.


  reply	other threads:[~2026-05-05 18:25 UTC|newest]

Thread overview: 51+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-04-25 21:14 [PATCH v12 00/22] gpu: nova-core: Add memory management support Joel Fernandes
2026-04-25 21:14 ` [PATCH v12 01/22] gpu: nova-core: gsp: Return GspStaticInfo from boot() Joel Fernandes
2026-05-02 15:41   ` Alexandre Courbot
2026-05-05 18:25     ` Joel Fernandes [this message]
2026-05-06  0:46       ` Alexandre Courbot
2026-04-25 21:14 ` [PATCH v12 02/22] gpu: nova-core: gsp: Extract usable FB region from GSP Joel Fernandes
2026-05-02 15:41   ` Alexandre Courbot
2026-05-05 18:54     ` Joel Fernandes
2026-04-25 21:14 ` [PATCH v12 03/22] gpu: nova-core: gsp: Expose total physical VRAM end from FB region info Joel Fernandes
2026-05-02 15:41   ` Alexandre Courbot
2026-05-05 20:17     ` Joel Fernandes
2026-04-25 21:14 ` [PATCH v12 04/22] gpu: nova-core: mm: Add support to use PRAMIN windows to write to VRAM Joel Fernandes
2026-05-02 15:41   ` Alexandre Courbot
2026-05-05 22:59     ` Joel Fernandes
2026-05-06  0:47       ` Alexandre Courbot
2026-04-25 21:14 ` [PATCH v12 05/22] docs: gpu: nova-core: Document the PRAMIN aperture mechanism Joel Fernandes
2026-04-25 21:14 ` [PATCH v12 06/22] gpu: nova-core: mm: Add common memory management types Joel Fernandes
2026-04-25 21:14 ` [PATCH v12 07/22] gpu: nova-core: mm: Add TLB flush support Joel Fernandes
2026-05-02 15:42   ` Alexandre Courbot
2026-04-25 21:14 ` [PATCH v12 08/22] gpu: nova-core: mm: Add GpuMm centralized memory manager Joel Fernandes
2026-05-02 15:42   ` Alexandre Courbot
2026-04-25 21:14 ` [PATCH v12 09/22] gpu: nova-core: mm: Add common types for all page table formats Joel Fernandes
2026-05-02 15:42   ` Alexandre Courbot
2026-05-02 17:55     ` Joel Fernandes
2026-05-04 14:27       ` Alexandre Courbot
2026-04-25 21:14 ` [PATCH v12 10/22] gpu: nova-core: mm: Add MMU v2 page table types Joel Fernandes
2026-04-25 21:14 ` [PATCH v12 11/22] gpu: nova-core: mm: Add MMU v3 " Joel Fernandes
2026-04-25 21:14 ` [PATCH v12 12/22] gpu: nova-core: mm: Add page table entry operation traits Joel Fernandes
2026-05-02 15:42   ` Alexandre Courbot
2026-05-02 19:19     ` Joel Fernandes
2026-05-04 14:31       ` Alexandre Courbot
2026-05-04 19:28         ` Joel Fernandes
2026-05-04 19:42           ` Danilo Krummrich
2026-05-04 19:50             ` Joel Fernandes
2026-05-04 23:50               ` Joel Fernandes
2026-05-05  5:37           ` Alexandre Courbot
2026-04-25 21:14 ` [PATCH v12 13/22] gpu: nova-core: mm: Add page table walker for MMU v2/v3 Joel Fernandes
2026-04-25 21:14 ` [PATCH v12 14/22] gpu: nova-core: mm: Add Virtual Memory Manager Joel Fernandes
2026-04-25 21:14 ` [PATCH v12 15/22] gpu: nova-core: mm: Add virtual address range tracking to VMM Joel Fernandes
2026-04-25 21:14 ` [PATCH v12 16/22] gpu: nova-core: mm: Add multi-page mapping API " Joel Fernandes
2026-04-25 21:14 ` [PATCH v12 17/22] gpu: nova-core: Add BAR1 aperture type and size constant Joel Fernandes
2026-04-25 21:14 ` [PATCH v12 18/22] gpu: nova-core: mm: Add BAR1 user interface Joel Fernandes
2026-04-25 21:14 ` [PATCH v12 19/22] gpu: nova-core: mm: Add BAR1 memory management self-tests Joel Fernandes
2026-04-25 21:14 ` [PATCH v12 20/22] gpu: nova-core: mm: Add PRAMIN aperture self-tests Joel Fernandes
2026-05-02 15:42   ` Alexandre Courbot
2026-05-05 21:18     ` Joel Fernandes
2026-04-25 21:14 ` [PATCH v12 21/22] gpu: nova-core: mm: pramin: drop useless as_ref() in run_self_test Joel Fernandes
2026-05-02 15:42   ` Alexandre Courbot
2026-04-25 21:14 ` [PATCH v12 22/22] rust: maple_tree: implement Send and Sync for MapleTree Joel Fernandes
2026-05-02 15:42   ` Alexandre Courbot
2026-05-02 17:36     ` Joel Fernandes

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