Re: [PATCH v2 1/2] gpu: nova-core: check for overflow to DMATRFBASE1

Danilo Krummrich
2026-01-23T16:23:27Z

On Fri Jan 23, 2026 at 12:44 AM CET, Timur Tabi wrote:
> On Wed, 2026-01-07 at 14:16 -0600, Timur Tabi wrote:
>> The NV_PFALCON_FALCON_DMATRFBASE/1 register pair supports DMA addresses
>> up to 49 bits only, but the write to DMATRFBASE1 could exceed that.
>> To mitigate, check first that the DMA address will fit.
>>
>> Reviewed-by: John Hubbard <jhubbard@nvidia.com>
>> Reviewed-by: Joel Fernandes <joelagnelf@nvidia.com>
>> Fixes: 69f5cd67ce41 ("gpu: nova-core: add falcon register definitions and base code")
>> Signed-off-by: Timur Tabi <ttabi@nvidia.com>
>
> Danilo, is it too late to make 6.20 with this patch?

This patch is already in drm-rust-next.