Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
+3
-2
+3
-2
drivers/gpu/nova-core/firmware/gsp.rs
+3
-2
drivers/gpu/nova-core/firmware/gsp.rs
···
3
3
use kernel::{
4
4
device,
5
5
dma::{
6
+
Coherent,
6
7
DataDirection,
7
8
DmaAddress, //
8
9
},
···
141
140
/// Size in bytes of the firmware contained in [`Self::fw`].
142
141
pub(crate) size: usize,
143
142
/// Device-mapped GSP signatures matching the GPU's [`Chipset`].
144
-
pub(crate) signatures: DmaObject,
143
+
pub(crate) signatures: Coherent<[u8]>,
145
144
/// GSP bootloader, verifies the GSP firmware before loading and running it.
146
145
pub(crate) bootloader: RiscvFirmware,
147
146
}
···
227
226
228
227
elf::elf64_section(firmware.data(), sigs_section)
229
228
.ok_or(EINVAL)
230
-
.and_then(|data| DmaObject::from_data(dev, data))?
229
+
.and_then(|data| Coherent::from_slice(dev, data, GFP_KERNEL))?
231
230
},
232
231
bootloader: {
233
232
let bl = super::request_firmware(dev, chipset, "bootloader", ver)?;