diff options
| author | Timur Tabi <ttabi@nvidia.com> | 2026-01-07 14:16:46 -0600 |
|---|---|---|
| committer | Danilo Krummrich <dakr@kernel.org> | 2026-01-12 14:43:31 +0100 |
| commit | 5cf76277cdec872aef9ff2e9008ae129bb303787 (patch) | |
| tree | 4c634705c555d1d5006662584376f9eb1a4495f7 /kernel | |
| parent | 0cc83fc23debf3e2df19c4510a77fe2d60ab2693 (diff) | |
gpu: nova-core: check for overflow to DMATRFBASE1
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>
Link: https://patch.msgid.link/20260107201647.2490140-1-ttabi@nvidia.com
[ Import ::kernel::dma::DmaMask. - Danilo ]
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions