drivers/gpu/nova-core/fb/hal/ga102.rs


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// SPDX-License-Identifier: GPL-2.0

use kernel::prelude::*;

use crate::driver::Bar0;
use crate::fb::hal::FbHal;
use crate::regs;

fn vidmem_size_ga102(bar: &Bar0) -> u64 {
    regs::NV_USABLE_FB_SIZE_IN_MB::read(bar).usable_fb_size()
}

struct Ga102;

impl FbHal for Ga102 {
    fn read_sysmem_flush_page(&self, bar: &Bar0) -> u64 {
        super::ga100::read_sysmem_flush_page_ga100(bar)
    }

    fn write_sysmem_flush_page(&self, bar: &Bar0, addr: u64) -> Result {
        super::ga100::write_sysmem_flush_page_ga100(bar, addr);

        Ok(())
    }

    fn supports_display(&self, bar: &Bar0) -> bool {
        super::ga100::display_enabled_ga100(bar)
    }

    fn vidmem_size(&self, bar: &Bar0) -> u64 {
        vidmem_size_ga102(bar)
    }
}

const GA102: Ga102 = Ga102;
pub(super) const GA102_HAL: &dyn FbHal = &GA102;