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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: "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 08/12] gpu: nova-core: firmware: add comments to justify v3 header values
Date: Mon, 09 Mar 2026 13:54:06 +0900	[thread overview]
Message-ID: <DGXZELRO15B2.BNAZM6AAJBZ@nvidia.com> (raw)
In-Reply-To: <20260306-turing_prep-v11-8-8f0042c5d026@nvidia.com>

On Fri Mar 6, 2026 at 1:52 PM JST, Alexandre Courbot wrote:
> There is no member in `FalconUCodeDescV3` to describe the start offsets
> of the IMEM and DMEM section in the firmware object. Add comments to
> justify how they are computed.
>
> Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
> ---
>  drivers/gpu/nova-core/firmware.rs | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/drivers/gpu/nova-core/firmware.rs b/drivers/gpu/nova-core/firmware.rs
> index 677e1dac6d9f..c2b24906fb7e 100644
> --- a/drivers/gpu/nova-core/firmware.rs
> +++ b/drivers/gpu/nova-core/firmware.rs
> @@ -260,6 +260,7 @@ fn signature_versions(&self) -> u16 {
>  
>      fn imem_sec_load_params(&self) -> FalconDmaLoadTarget {
>          FalconDmaLoadTarget {
> +            // IMEM segment always starts at offset 0.
>              src_start: 0,
>              dst_start: self.imem_phys_base,
>              len: self.imem_load_size,
> @@ -273,6 +274,7 @@ fn imem_ns_load_params(&self) -> Option<FalconDmaLoadTarget> {
>  
>      fn dmem_load_params(&self) -> FalconDmaLoadTarget {
>          FalconDmaLoadTarget {
> +            // DMEM segment starts right after the IMEM one.
>              src_start: self.imem_load_size,
>              dst_start: self.dmem_phys_base,
>              len: self.dmem_load_size,

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

  reply	other threads:[~2026-03-09  4:54 UTC|newest]

Thread overview: 31+ 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 ` [PATCH v11 01/12] gpu: nova-core: create falcon firmware DMA objects lazily 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 ` [PATCH v11 03/12] gpu: nova-core: falcon: rename load parameters to reflect DMA dependency Alexandre Courbot
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 ` [PATCH v11 05/12] gpu: nova-core: move brom_params and boot_addr to FalconFirmware 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 ` [PATCH v11 07/12] gpu: nova-core: falcon: remove unwarranted safety check in dma_load Alexandre Courbot
2026-03-06  4:52 ` [PATCH v11 08/12] gpu: nova-core: firmware: add comments to justify v3 header values Alexandre Courbot
2026-03-09  4:54   ` Eliot Courtney [this message]
2026-03-06  4:52 ` [PATCH v11 09/12] gpu: nova-core: firmware: fix and explain v2 header offsets computations Alexandre Courbot
2026-03-09  4:55   ` Eliot Courtney
2026-03-09 12:10   ` Gary Guo
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 ` [PATCH v11 11/12] gpu: nova-core: add gen_bootloader firmware to ModInfoBuilder 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
2026-03-09  5:07   ` Eliot Courtney
2026-03-09  1:52 ` [PATCH v11 00/12] gpu: nova-core: add Turing support Alexandre Courbot
2026-03-09  2:06   ` John Hubbard
2026-03-09  2:20     ` Alexandre Courbot
2026-03-09 19:48 ` Ewan Chorynski
2026-03-09 20:04   ` John Hubbard
2026-03-09 20:18     ` Timur Tabi
2026-03-09 20:29       ` John Hubbard
2026-03-09 20:39         ` Timur Tabi
2026-03-09 21:00         ` Ewan Chorynski
2026-03-09 21:05           ` Timur Tabi
2026-03-09 21:16             ` Ewan Chorynski
2026-03-09 21:22               ` Timur Tabi

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