Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
gpu: nova-core: falcon: use dma::Coherent
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-v2-4-616e1d0b5cb3@nvidia.com
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
+3
-3
+3
-3
drivers/gpu/nova-core/falcon.rs
+3
-3
drivers/gpu/nova-core/falcon.rs
···
10
10
Device, //
11
11
},
12
12
dma::{
13
+
Coherent,
13
14
DmaAddress,
14
15
DmaMask, //
15
16
},
···
29
28
30
29
use crate::{
31
30
bounded_enum,
32
-
dma::DmaObject,
33
31
driver::Bar0,
34
32
falcon::hal::LoadMethod,
35
33
gpu::Chipset,
···
504
504
fn dma_wr(
505
505
&self,
506
506
bar: &Bar0,
507
-
dma_obj: &DmaObject,
507
+
dma_obj: &Coherent<[u8]>,
508
508
target_mem: FalconMem,
509
509
load_offsets: FalconDmaLoadTarget,
510
510
) -> Result {
···
614
614
fw: &F,
615
615
) -> Result {
616
616
// Create DMA object with firmware content as the source of the DMA engine.
617
-
let dma_obj = DmaObject::from_data(dev, fw.as_slice())?;
617
+
let dma_obj = Coherent::from_slice(dev, fw.as_slice(), GFP_KERNEL)?;
618
618
619
619
self.dma_reset(bar);
620
620
bar.update(regs::NV_PFALCON_FBIF_TRANSCFG::of::<E>().at(0), |v| {