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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: Alistair Popple <apopple@nvidia.com>,
	Joel Fernandes <joelagnelf@nvidia.com>,
	Eliot Courtney <ecourtney@nvidia.com>,
	nouveau@lists.freedesktop.org, rust-for-linux@vger.kernel.org,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	dri-devel <dri-devel-bounces@lists.freedesktop.org>
Subject: Re: [PATCH v11 09/12] gpu: nova-core: firmware: fix and explain v2 header offsets computations
Date: Mon, 09 Mar 2026 13:55:07 +0900	[thread overview]
Message-ID: <DGXZFDLI9O35.3023FHY0RXX5Y@nvidia.com> (raw)
In-Reply-To: <20260306-turing_prep-v11-9-8f0042c5d026@nvidia.com>

On Fri Mar 6, 2026 at 1:52 PM JST, Alexandre Courbot wrote:
> There are no offsets in `FalconUCodeDescV2` to give the non-secure and
> secure IMEM sections start offsets relative to the beginning of the
> firmware object.
>
> The start offsets for both sections were set to `0`, but that is
> obviously incorrect since two different sections cannot start at the
> same offset. Since these offsets were not used by the bootloader, this
> doesn't prevent proper function but is incorrect nonetheless.
>
> Fix this by computing the start of the secure IMEM section relatively to
> the start of the firmware object and setting it properly. Also add and
> improve comments to explain how the values are obtained.
>
> Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
> ---

Reviewed-by: Eliot Courtney <ecourtney@nvidia.com>

WARNING: multiple messages have this Message-ID (diff)
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>,
	"Joel Fernandes" <joelagnelf@nvidia.com>,
	"Timur Tabi" <ttabi@nvidia.com>, "Edwin Peer" <epeer@nvidia.com>,
	"Eliot Courtney" <ecourtney@nvidia.com>,
	<nouveau@lists.freedesktop.org>, <rust-for-linux@vger.kernel.org>,
	<dri-devel@lists.freedesktop.org>, <linux-kernel@vger.kernel.org>,
	"dri-devel" <dri-devel-bounces@lists.freedesktop.org>
Subject: Re: [PATCH v11 09/12] gpu: nova-core: firmware: fix and explain v2 header offsets computations
Date: Mon, 09 Mar 2026 13:55:07 +0900	[thread overview]
Message-ID: <DGXZFDLI9O35.3023FHY0RXX5Y@nvidia.com> (raw)
In-Reply-To: <20260306-turing_prep-v11-9-8f0042c5d026@nvidia.com>

On Fri Mar 6, 2026 at 1:52 PM JST, Alexandre Courbot wrote:
> There are no offsets in `FalconUCodeDescV2` to give the non-secure and
> secure IMEM sections start offsets relative to the beginning of the
> firmware object.
>
> The start offsets for both sections were set to `0`, but that is
> obviously incorrect since two different sections cannot start at the
> same offset. Since these offsets were not used by the bootloader, this
> doesn't prevent proper function but is incorrect nonetheless.
>
> Fix this by computing the start of the secure IMEM section relatively to
> the start of the firmware object and setting it properly. Also add and
> improve comments to explain how the values are obtained.
>
> Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
> ---

Reviewed-by: Eliot Courtney <ecourtney@nvidia.com>

  reply	other threads:[~2026-03-09  4:55 UTC|newest]

Thread overview: 62+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-06  4:52 [PATCH v11 00/12] gpu: nova-core: add Turing support Alexandre Courbot
2026-03-06  4:52 ` Alexandre Courbot
2026-03-06  4:52 ` [PATCH v11 01/12] gpu: nova-core: create falcon firmware DMA objects lazily Alexandre Courbot
2026-03-06  4:52   ` Alexandre Courbot
2026-03-06  4:52 ` [PATCH v11 02/12] gpu: nova-core: falcon: add constant for memory block alignment Alexandre Courbot
2026-03-06  4:52   ` Alexandre Courbot
2026-03-06  4:52 ` [PATCH v11 03/12] gpu: nova-core: falcon: rename load parameters to reflect DMA dependency Alexandre Courbot
2026-03-06  4:52   ` Alexandre Courbot
2026-03-06  6:23   ` Eliot Courtney
2026-03-06  6:23     ` Eliot Courtney
2026-03-06  4:52 ` [PATCH v11 04/12] gpu: nova-core: falcon: remove FalconFirmware's dependency on FalconDmaLoadable Alexandre Courbot
2026-03-06  4:52   ` Alexandre Courbot
2026-03-06  4:52 ` [PATCH v11 05/12] gpu: nova-core: move brom_params and boot_addr to FalconFirmware Alexandre Courbot
2026-03-06  4:52   ` Alexandre Courbot
2026-03-06  4:52 ` [PATCH v11 06/12] gpu: nova-core: add PIO support for loading firmware images Alexandre Courbot
2026-03-06  4:52   ` Alexandre Courbot
2026-03-06  4:52 ` [PATCH v11 07/12] gpu: nova-core: falcon: remove unwarranted safety check in dma_load Alexandre Courbot
2026-03-06  4:52   ` Alexandre Courbot
2026-03-06  4:52 ` [PATCH v11 08/12] gpu: nova-core: firmware: add comments to justify v3 header values Alexandre Courbot
2026-03-06  4:52   ` Alexandre Courbot
2026-03-09  4:54   ` Eliot Courtney
2026-03-09  4:54     ` Eliot Courtney
2026-03-06  4:52 ` [PATCH v11 09/12] gpu: nova-core: firmware: fix and explain v2 header offsets computations Alexandre Courbot
2026-03-06  4:52   ` Alexandre Courbot
2026-03-09  4:55   ` Eliot Courtney [this message]
2026-03-09  4:55     ` Eliot Courtney
2026-03-09 12:10   ` Gary Guo
2026-03-09 12:10     ` Gary Guo
2026-03-10  1:49     ` Alexandre Courbot
2026-03-10  1:49       ` Alexandre Courbot
2026-03-06  4:52 ` [PATCH v11 10/12] gpu: nova-core: make Chipset::arch() const Alexandre Courbot
2026-03-06  4:52   ` Alexandre Courbot
2026-03-06  4:52 ` [PATCH v11 11/12] gpu: nova-core: add gen_bootloader firmware to ModInfoBuilder Alexandre Courbot
2026-03-06  4:52   ` Alexandre Courbot
2026-03-06  4:52 ` [PATCH v11 12/12] gpu: nova-core: use the Generic Bootloader to boot FWSEC on Turing Alexandre Courbot
2026-03-06  4:52   ` Alexandre Courbot
2026-03-09  5:07   ` Eliot Courtney
2026-03-09  5:07     ` Eliot Courtney
2026-03-09  1:52 ` [PATCH v11 00/12] gpu: nova-core: add Turing support Alexandre Courbot
2026-03-09  1:52   ` Alexandre Courbot
2026-03-09  2:06   ` John Hubbard
2026-03-09  2:06     ` John Hubbard
2026-03-09  2:20     ` Alexandre Courbot
2026-03-09  2:20       ` Alexandre Courbot
2026-03-09 19:48 ` Ewan Chorynski
2026-03-09 19:48   ` Ewan Chorynski
2026-03-09 20:04   ` John Hubbard
2026-03-09 20:04     ` John Hubbard
2026-03-09 20:18     ` Timur Tabi
2026-03-09 20:18       ` Timur Tabi
2026-03-09 20:29       ` John Hubbard
2026-03-09 20:29         ` John Hubbard
2026-03-09 20:39         ` Timur Tabi
2026-03-09 20:39           ` Timur Tabi
2026-03-09 21:00         ` Ewan Chorynski
2026-03-09 21:00           ` Ewan Chorynski
2026-03-09 21:05           ` Timur Tabi
2026-03-09 21:05             ` Timur Tabi
2026-03-09 21:16             ` Ewan Chorynski
2026-03-09 21:16               ` Ewan Chorynski
2026-03-09 21:22               ` Timur Tabi
2026-03-09 21:22                 ` Timur Tabi

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