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| author | Alexandre Courbot <acourbot@nvidia.com> | 2026-03-26 18:22:12 +0300 |
|---|---|---|
| committer | Alexandre Courbot <acourbot@nvidia.com> | 2026-03-28 16:20:08 +0300 |
| commit | 371db8bcb925bfb0ac68db2f66aeaa0350ac1d06 (patch) | |
| tree | ba1bcc483bfd72cffb7870c91b5eb3376839f5de | |
| parent | c1c79e3bebc6f8b634fcf11d08d72a0df1cb85a0 (diff) | |
| download | linux-371db8bcb925bfb0ac68db2f66aeaa0350ac1d06.tar.xz | |
gpu: nova-core: firmware: gsp: use dma::Coherent for signatures
Replace the nova-core local `DmaObject` with a `Coherent` that can
fulfill the same role.
Reviewed-by: Gary Guo <gary@garyguo.net>
Reviewed-by: Danilo Krummrich <dakr@kernel.org>
Link: https://patch.msgid.link/20260327-b4-nova-dma-removal-v2-6-616e1d0b5cb3@nvidia.com
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
| -rw-r--r-- | drivers/gpu/nova-core/firmware/gsp.rs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/nova-core/firmware/gsp.rs b/drivers/gpu/nova-core/firmware/gsp.rs index 9488a626352f..1e0d545a74fe 100644 --- a/drivers/gpu/nova-core/firmware/gsp.rs +++ b/drivers/gpu/nova-core/firmware/gsp.rs @@ -3,6 +3,7 @@ use kernel::{ device, dma::{ + Coherent, DataDirection, DmaAddress, // }, @@ -140,7 +141,7 @@ pub(crate) struct GspFirmware { /// Size in bytes of the firmware contained in [`Self::fw`]. pub(crate) size: usize, /// Device-mapped GSP signatures matching the GPU's [`Chipset`]. - pub(crate) signatures: DmaObject, + pub(crate) signatures: Coherent<[u8]>, /// GSP bootloader, verifies the GSP firmware before loading and running it. pub(crate) bootloader: RiscvFirmware, } @@ -226,7 +227,7 @@ impl GspFirmware { elf::elf64_section(firmware.data(), sigs_section) .ok_or(EINVAL) - .and_then(|data| DmaObject::from_data(dev, data))? + .and_then(|data| Coherent::from_slice(dev, data, GFP_KERNEL))? }, bootloader: { let bl = super::request_firmware(dev, chipset, "bootloader", ver)?; |