From 1f9283afd3f1780bd629f02e149afe7b0c78fc5b Mon Sep 17 00:00:00 2001 From: Alexandre Courbot Date: Fri, 27 Mar 2026 00:22:09 +0900 Subject: [PATCH] gpu: nova-core: firmware: fwsec: use dma::Coherent Replace the nova-core local `DmaObject` with a `Coherent` that can fulfill the same role. Reviewed-by: Gary Guo Reviewed-by: Danilo Krummrich Link: https://patch.msgid.link/20260327-b4-nova-dma-removal-v2-3-616e1d0b5cb3@nvidia.com Signed-off-by: Alexandre Courbot --- drivers/gpu/nova-core/firmware/fwsec/bootloader.rs | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/nova-core/firmware/fwsec/bootloader.rs b/drivers/gpu/nova-core/firmware/fwsec/bootloader.rs index 3b12d90d9412..bcb713a868e2 100644 --- a/drivers/gpu/nova-core/firmware/fwsec/bootloader.rs +++ b/drivers/gpu/nova-core/firmware/fwsec/bootloader.rs @@ -12,6 +12,7 @@ self, Device, // }, + dma::Coherent, io::{ register::WithBase, // Io, @@ -29,7 +30,6 @@ }; use crate::{ - dma::DmaObject, driver::Bar0, falcon::{ self, @@ -129,7 +129,7 @@ unsafe impl AsBytes for BootloaderDmemDescV2 {} /// operation. pub(crate) struct FwsecFirmwareWithBl { /// DMA object the bootloader will copy the firmware from. - _firmware_dma: DmaObject, + _firmware_dma: Coherent<[u8]>, /// Code of the bootloader to be loaded into non-secure IMEM. ucode: KVec, /// Descriptor to be loaded into DMEM for the bootloader to read. @@ -211,7 +211,7 @@ pub(crate) fn new( ( align_padding, - DmaObject::from_data(dev, firmware_obj.as_slice())?, + Coherent::from_slice(dev, firmware_obj.as_slice(), GFP_KERNEL)?, ) };