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gpu: nova-core: falcon: use dma::Coherent

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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>
This commit is contained in:
Alexandre Courbot 2026-03-27 00:22:10 +09:00
parent 1f9283afd3
commit a88831502c
1 changed files with 3 additions and 3 deletions
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6
drivers/gpu/nova-core/falcon.rs
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@ -10,6 +10,7 @@
Device, // Device, //
}, },
dma::{ dma::{
Coherent,
DmaAddress, DmaAddress,
DmaMask, // DmaMask, //
}, },
@ -28,7 +29,6 @@
use crate::{ use crate::{
bounded_enum, bounded_enum,
dma::DmaObject,
driver::Bar0, driver::Bar0,
falcon::hal::LoadMethod, falcon::hal::LoadMethod,
gpu::Chipset, gpu::Chipset,
@ -504,7 +504,7 @@ pub(crate) fn pio_load<F: FalconFirmware<Target = E> + FalconPioLoadable>(
fn dma_wr( fn dma_wr(
&self, &self,
bar: &Bar0, bar: &Bar0,
dma_obj: &DmaObject, dma_obj: &Coherent<[u8]>,
target_mem: FalconMem, target_mem: FalconMem,
load_offsets: FalconDmaLoadTarget, load_offsets: FalconDmaLoadTarget,
) -> Result { ) -> Result {
@ -614,7 +614,7 @@ fn dma_load<F: FalconFirmware<Target = E> + FalconDmaLoadable>(
fw: &F, fw: &F,
) -> Result { ) -> Result {
// Create DMA object with firmware content as the source of the DMA engine. // Create DMA object with firmware content as the source of the DMA engine.
let dma_obj = DmaObject::from_data(dev, fw.as_slice())?; let dma_obj = Coherent::from_slice(dev, fw.as_slice(), GFP_KERNEL)?;
self.dma_reset(bar); self.dma_reset(bar);
bar.update(regs::NV_PFALCON_FBIF_TRANSCFG::of::<E>().at(0), |v| { bar.update(regs::NV_PFALCON_FBIF_TRANSCFG::of::<E>().at(0), |v| {