From: Timur Tabi <ttabi@nvidia.com>
To: "simona@ffwll.ch" <simona@ffwll.ch>,
"gary@garyguo.net" <gary@garyguo.net>,
Eliot Courtney <ecourtney@nvidia.com>,
"lossin@kernel.org" <lossin@kernel.org>,
"airlied@gmail.com" <airlied@gmail.com>,
"dakr@kernel.org" <dakr@kernel.org>,
"aliceryhl@google.com" <aliceryhl@google.com>,
Alexandre Courbot <acourbot@nvidia.com>
Cc: "dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>,
Alistair Popple <apopple@nvidia.com>,
"nova-gpu@lists.linux.dev" <nova-gpu@lists.linux.dev>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
John Hubbard <jhubbard@nvidia.com>,
"rust-for-linux@vger.kernel.org" <rust-for-linux@vger.kernel.org>
Subject: Re: [PATCH v3 1/5] gpu: nova-core: correct FRTS vidmem offset calculation
Date: Fri, 24 Jul 2026 16:52:15 +0000 [thread overview]
Message-ID: <ae14f443778ebcee56e89a72441f3252fc020b96.camel@nvidia.com> (raw)
In-Reply-To: <20260724-blackwell-fixes-v3-1-01aa6a54e3fd@nvidia.com>
On Fri, 2026-07-24 at 15:56 +0900, Eliot Courtney wrote:
> +++ b/drivers/gpu/nova-core/fsp/hal.rs
> @@ -19,6 +19,10 @@ pub(super) trait FspHal {
>
> /// Returns the FSP Chain of Trust protocol version this chipset advertises.
> fn cot_version(&self) -> u16;
> +
> + // TODO: consider moving this into the TLV firmware metadata when ready
> + /// Returns the size reserved at the end of the framebuffer, in bytes.
> + fn fb_end_reserved_size(&self) -> u32;
Do you know where in OpenRM this value is encoded?
There are quite a few places in the code, especially for GA100 stuff, that are arbitrary and GPU-
specific. Without a means to scrape that data from the OpenRM source, it will be impossible for the
script to obtain the values.
next prev parent reply other threads:[~2026-07-24 16:52 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-24 6:56 [PATCH v3 0/5] gpu: nova-core: blackwell follow-ups and fixes Eliot Courtney
2026-07-24 6:56 ` [PATCH v3 1/5] gpu: nova-core: correct FRTS vidmem offset calculation Eliot Courtney
2026-07-24 16:52 ` Timur Tabi [this message]
2026-07-28 7:29 ` Eliot Courtney
2026-07-24 6:56 ` [PATCH v3 2/5] gpu: nova-core: rename heap size field Eliot Courtney
2026-07-24 6:56 ` [PATCH v3 3/5] gpu: nova-core: return non-WPR heap size as u64 from HALs Eliot Courtney
2026-07-24 6:56 ` [PATCH v3 4/5] gpu: nova-core: split FbLayout into FSP and non-FSP versions Eliot Courtney
2026-07-28 14:00 ` Danilo Krummrich
2026-07-24 6:56 ` [PATCH v3 5/5] gpu: nova-core: pass WPR metadata ownership to FmcBootArgs Eliot Courtney
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