Commit c1c79e3b authored by Alexandre Courbot's avatar Alexandre Courbot
Browse files

gpu: nova-core: fb: use dma::CoherentHandle 



Replace the nova-core local `DmaObject` with a `CoherentHandle` that can
fulfill the same role.

Reviewed-by: default avatarDanilo Krummrich <dakr@kernel.org>
Link: https://patch.msgid.link/20260327-b4-nova-dma-removal-v2-5-616e1d0b5cb3@nvidia.com


Signed-off-by: default avatarAlexandre Courbot <acourbot@nvidia.com>
parent a8883150

drivers/gpu/nova-core/fb.rs

+3 −3
Original line number Diff line number Diff line
@@ -7,6 +7,7 @@ 


use kernel::{

    device,

    dma::CoherentHandle,

    fmt,

    io::Io,

    prelude::*,
@@ -19,7 +20,6 @@ 
};



use crate::{

    dma::DmaObject,

    driver::Bar0,

    firmware::gsp::GspFirmware,

    gpu::Chipset,
@@ -53,7 +53,7 @@ pub(crate) struct SysmemFlush { 
    chipset: Chipset,

    device: ARef<device::Device>,

    /// Keep the page alive as long as we need it.

    page: DmaObject,

    page: CoherentHandle,

}



impl SysmemFlush {
@@ -63,7 +63,7 @@ pub(crate) fn register( 
        bar: &Bar0,

        chipset: Chipset,

    ) -> Result<Self> {

        let page = DmaObject::new(dev, kernel::page::PAGE_SIZE)?;

        let page = CoherentHandle::alloc(dev, kernel::page::PAGE_SIZE, GFP_KERNEL)?;



        hal::fb_hal(chipset).write_sysmem_flush_page(bar, page.dma_handle())?;