From: "Eliot Courtney" <ecourtney@nvidia.com>
To: "John Hubbard" <jhubbard@nvidia.com>,
"Danilo Krummrich" <dakr@kernel.org>,
"Alexandre Courbot" <acourbot@nvidia.com>
Cc: "Timur Tabi" <ttabi@nvidia.com>,
"Alistair Popple" <apopple@nvidia.com>,
"Eliot Courtney" <ecourtney@nvidia.com>,
"Shashank Sharma" <shashanks@nvidia.com>,
"Zhi Wang" <zhiw@nvidia.com>, "David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>,
"Bjorn Helgaas" <bhelgaas@google.com>,
"Miguel Ojeda" <ojeda@kernel.org>,
"Alex Gaynor" <alex.gaynor@gmail.com>,
"Boqun Feng" <boqun.feng@gmail.com>,
"Gary Guo" <gary@garyguo.net>,
"Björn 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>,
nova-gpu@lists.linux.dev, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v12 01/22] gpu: nova-core: set DMA mask width based on GPU architecture
Date: Tue, 02 Jun 2026 15:40:37 +0900 [thread overview]
Message-ID: <DIYCWGGTVSQL.2QNBSSAH15ZFV@nvidia.com> (raw)
In-Reply-To: <20260602032111.224790-2-jhubbard@nvidia.com>
On Tue Jun 2, 2026 at 12:20 PM JST, John Hubbard wrote:
> Replace the hardcoded 47-bit DMA mask with a GPU HAL method that
> provides the correct value for the architecture.
>
> Set the DMA mask in Gpu::new(). Gpu owns all DMA allocations for
> the device, so no concurrent allocations can exist while the
> constructor is still running.
>
> Acked-by: Danilo Krummrich <dakr@kernel.org>
> Reviewed-by: Gary Guo <gary@garyguo.net>
> Co-developed-by: Alexandre Courbot <acourbot@nvidia.com>
> Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
> Signed-off-by: John Hubbard <jhubbard@nvidia.com>
> ---
Reviewed-by: Eliot Courtney <ecourtney@nvidia.com>
next prev parent reply other threads:[~2026-06-02 6:40 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-02 3:20 [PATCH v12 00/22] gpu: nova-core: firmware: Hopper/Blackwell support John Hubbard
2026-06-02 3:20 ` [PATCH v12 01/22] gpu: nova-core: set DMA mask width based on GPU architecture John Hubbard
2026-06-02 6:40 ` Eliot Courtney [this message]
2026-06-02 3:20 ` [PATCH v12 02/22] gpu: nova-core: Hopper/Blackwell: new location for PCI config mirror John Hubbard
2026-06-02 3:20 ` [PATCH v12 03/22] gpu: nova-core: Blackwell: compute PMU-reserved framebuffer size John Hubbard
2026-06-02 3:20 ` [PATCH v12 04/22] gpu: nova-core: Hopper/Blackwell: larger non-WPR heap John Hubbard
2026-06-02 3:20 ` [PATCH v12 05/22] gpu: nova-core: Hopper/Blackwell: larger WPR2 (GSP) heap John Hubbard
2026-06-02 3:20 ` [PATCH v12 06/22] gpu: nova-core: Blackwell: use correct sysmem flush registers John Hubbard
2026-06-02 3:30 ` sashiko-bot
2026-06-02 8:00 ` Alexandre Courbot
2026-06-02 7:12 ` Eliot Courtney
2026-06-02 8:26 ` Alexandre Courbot
2026-06-02 3:20 ` [PATCH v12 07/22] gpu: nova-core: don't assume 64-bit firmware images John Hubbard
2026-06-02 3:20 ` [PATCH v12 08/22] gpu: nova-core: add support for 32-bit " John Hubbard
2026-06-02 3:20 ` [PATCH v12 09/22] gpu: nova-core: add auto-detection of 32-bit, 64-bit " John Hubbard
2026-06-02 3:20 ` [PATCH v12 10/22] gpu: nova-core: Hopper/Blackwell: add FSP falcon engine stub John Hubbard
2026-06-02 6:50 ` Eliot Courtney
2026-06-02 3:20 ` [PATCH v12 11/22] gpu: nova-core: Hopper/Blackwell: add FMC firmware image John Hubbard
2026-06-02 7:18 ` Eliot Courtney
2026-06-02 3:21 ` [PATCH v12 12/22] gpu: nova-core: Hopper/Blackwell: add FSP secure boot completion waiting John Hubbard
2026-06-02 7:56 ` Eliot Courtney
2026-06-02 8:22 ` Alexandre Courbot
2026-06-02 3:21 ` [PATCH v12 13/22] gpu: nova-core: Hopper/Blackwell: add FMC signature extraction John Hubbard
2026-06-02 3:32 ` sashiko-bot
2026-06-02 7:56 ` Alexandre Courbot
2026-06-02 8:11 ` Eliot Courtney
2026-06-02 8:28 ` Alexandre Courbot
2026-06-03 0:04 ` Timur Tabi
2026-06-03 0:20 ` Alexandre Courbot
2026-06-03 3:09 ` Timur Tabi
2026-06-03 3:53 ` John Hubbard
2026-06-03 16:52 ` Timur Tabi
2026-06-02 3:21 ` [PATCH v12 14/22] gpu: nova-core: Hopper/Blackwell: add FSP falcon EMEM operations John Hubbard
2026-06-02 11:42 ` Eliot Courtney
2026-06-02 14:55 ` Alexandre Courbot
2026-06-02 15:02 ` Alexandre Courbot
2026-06-02 3:21 ` [PATCH v12 15/22] gpu: nova-core: Hopper/Blackwell: add FSP message infrastructure John Hubbard
2026-06-02 3:33 ` sashiko-bot
2026-06-03 1:14 ` Alexandre Courbot
2026-06-03 1:41 ` Eliot Courtney
2026-06-02 12:21 ` Eliot Courtney
2026-06-03 1:34 ` Alexandre Courbot
2026-06-03 4:49 ` Eliot Courtney
2026-06-03 5:00 ` Alexandre Courbot
2026-06-03 1:00 ` Alexandre Courbot
2026-06-02 3:21 ` [PATCH v12 16/22] gpu: nova-core: add MCTP/NVDM protocol types for firmware communication John Hubbard
2026-06-02 5:36 ` sashiko-bot
2026-06-03 2:41 ` Alexandre Courbot
2026-06-02 12:53 ` Eliot Courtney
2026-06-02 3:21 ` [PATCH v12 17/22] gpu: nova-core: Hopper/Blackwell: add FSP send/receive messaging John Hubbard
2026-06-02 3:35 ` sashiko-bot
2026-06-02 3:21 ` [PATCH v12 18/22] gpu: nova-core: Hopper/Blackwell: select FSP Chain of Trust version John Hubbard
2026-06-02 12:55 ` Eliot Courtney
2026-06-02 3:21 ` [PATCH v12 19/22] gpu: nova-core: Hopper/Blackwell: add FSP Chain of Trust boot John Hubbard
2026-06-02 3:40 ` sashiko-bot
2026-06-03 5:23 ` Alexandre Courbot
2026-06-03 5:19 ` Alexandre Courbot
2026-06-02 3:21 ` [PATCH v12 20/22] gpu: nova-core: Hopper/Blackwell: add GSP lockdown release polling John Hubbard
2026-06-02 3:38 ` sashiko-bot
2026-06-03 5:45 ` Alexandre Courbot
2026-06-02 3:21 ` [PATCH v12 21/22] gpu: nova-core: add non-sec2 unload path John Hubbard
2026-06-02 3:21 ` [PATCH v12 22/22] gpu: nova-core: gsp: enable FSP boot path John Hubbard
2026-06-02 3:38 ` sashiko-bot
2026-06-02 12:38 ` [PATCH v12 00/22] gpu: nova-core: firmware: Hopper/Blackwell support Danilo Krummrich
2026-06-02 13:37 ` Alexandre Courbot
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