From: "Eliot Courtney" <ecourtney@nvidia.com>
To: "Alexandre Courbot" <acourbot@nvidia.com>,
"Danilo Krummrich" <dakr@kernel.org>,
"Alice Ryhl" <aliceryhl@google.com>,
"David Airlie" <airlied@gmail.com>,
"Simona Vetter" <simona@ffwll.ch>
Cc: "John Hubbard" <jhubbard@nvidia.com>,
"Alistair Popple" <apopple@nvidia.com>,
"Timur Tabi" <ttabi@nvidia.com>,
"Eliot Courtney" <ecourtney@nvidia.com>,
"Zhi Wang" <zhiw@nvidia.com>, <nova-gpu@lists.linux.dev>,
<rust-for-linux@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2 09/12] gpu: nova-core: falcon: allow DMEM DMA transfers to request tagging
Date: Mon, 09 Nov 2026 14:47:39 +0900 [thread overview]
Message-ID: <DMQFZ2PXBRDH.1BWX38MCYHUE7@nvidia.com> (raw)
In-Reply-To: <20261107-r000-fw-v2-9-fb37cc5b20cd@nvidia.com>
On Sat Nov 7, 2026 at 6:48 PM JST, Alexandre Courbot wrote:
> Add a tag flag to `FalconMem::Dmem` and set DMATRFCMD's DMTAG bit from
> it.
>
> Similarly to IMEM, when tagging is requested the DMA engine tags each
> DMEM block it writes with the block's source offset, which the loaded
> image then uses as its DMEM virtual address. The r000 load-and-execute
> HS binary event will provide a DMEM virtual address for images that
> need one.
>
> No functional change intended.
>
> Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
> ---
Reviewed-by: Eliot Courtney <ecourtney@nvidia.com>
next prev parent reply other threads:[~2026-11-09 5:47 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-07 9:47 [PATCH v2 00/12] gpu: nova-core: generic bootloader and falcon DMA changes for r000 Alexandre Courbot
2026-11-07 9:47 ` [PATCH v2 01/12] gpu: nova-core: separate the generic falcon bootloader from FWSEC Alexandre Courbot
2026-11-07 9:47 ` [PATCH v2 02/12] gpu: nova-core: falcon: widen the IMEM PIO offset to 24 bits Alexandre Courbot
2026-11-09 4:32 ` Eliot Courtney
2026-11-07 9:47 ` [PATCH v2 03/12] gpu: nova-core: place the generic bootloader at the top of IMEM Alexandre Courbot
2026-11-09 4:53 ` Eliot Courtney
2026-11-07 9:48 ` [PATCH v2 04/12] gpu: nova-core: move the bootloader DMEM descriptor out of FWSEC Alexandre Courbot
2026-11-07 9:48 ` [PATCH v2 05/12] gpu: nova-core: run the generic bootloader from its own type Alexandre Courbot
2026-11-09 4:59 ` Eliot Courtney
2026-11-07 9:48 ` [PATCH v2 06/12] rust: io: register: implement Copy and Clone for RegisterArrayLoc Alexandre Courbot
2026-11-07 13:05 ` Danilo Krummrich
2026-11-09 5:00 ` Eliot Courtney
2026-11-07 9:48 ` [PATCH v2 07/12] gpu: nova-core: falcon: introduce and use with_fbif_transcfg Alexandre Courbot
2026-11-09 5:36 ` Eliot Courtney
2026-11-07 9:48 ` [PATCH v2 08/12] gpu: nova-core: falcon: rename the local variables of dma_wr() Alexandre Courbot
2026-11-09 5:39 ` Eliot Courtney
2026-11-07 9:48 ` [PATCH v2 09/12] gpu: nova-core: falcon: allow DMEM DMA transfers to request tagging Alexandre Courbot
2026-11-09 5:47 ` Eliot Courtney [this message]
2026-11-07 9:48 ` [PATCH v2 10/12] gpu: nova-core: falcon: allow DMA transfers to read from a framebuffer address Alexandre Courbot
2026-11-07 9:48 ` [PATCH v2 11/12] gpu: nova-core: falcon: check the per-block DMA offsets for overflow Alexandre Courbot
2026-11-07 9:48 ` [PATCH v2 12/12] gpu: nova-core: falcon: program the FBIF_TRANSCFG register in dma_wr Alexandre Courbot
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