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173c99b85a
As per [1], we need one "use" item per line, in order to reduce merge conflicts. Furthermore, we need a trailing ", //" in order to tell rustfmt(1) to leave it alone. This does that for the entire nova-core driver. [1] https://docs.kernel.org/rust/coding-guidelines.html#imports Acked-by: Danilo Krummrich <dakr@kernel.org> Signed-off-by: John Hubbard <jhubbard@nvidia.com> [acourbot@nvidia.com: remove imports already in prelude as pointed out by Danilo.] [acourbot@nvidia.com: remove a few unneeded trailing `//`.] Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Message-ID: <20251107021006.434109-1-jhubbard@nvidia.com>
42 lines
1.1 KiB
Rust
42 lines
1.1 KiB
Rust
// SPDX-License-Identifier: GPL-2.0
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use kernel::prelude::*;
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use crate::{
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driver::Bar0,
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gpu::Chipset, //
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};
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mod ga100;
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mod ga102;
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mod tu102;
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pub(crate) trait FbHal {
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/// Returns the address of the currently-registered sysmem flush page.
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fn read_sysmem_flush_page(&self, bar: &Bar0) -> u64;
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/// Register `addr` as the address of the sysmem flush page.
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///
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/// This might fail if the address is too large for the receiving register.
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fn write_sysmem_flush_page(&self, bar: &Bar0, addr: u64) -> Result;
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/// Returns `true` is display is supported.
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fn supports_display(&self, bar: &Bar0) -> bool;
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/// Returns the VRAM size, in bytes.
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fn vidmem_size(&self, bar: &Bar0) -> u64;
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}
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/// Returns the HAL corresponding to `chipset`.
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pub(super) fn fb_hal(chipset: Chipset) -> &'static dyn FbHal {
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use Chipset::*;
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match chipset {
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TU102 | TU104 | TU106 | TU117 | TU116 => tu102::TU102_HAL,
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GA100 => ga100::GA100_HAL,
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GA102 | GA103 | GA104 | GA106 | GA107 | AD102 | AD103 | AD104 | AD106 | AD107 => {
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ga102::GA102_HAL
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}
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}
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}
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