// SPDX-License-Identifier: GPL-2.0 use kernel::{ drm, drm::{ gem, gem::BaseObject, // }, page, prelude::*, sync::aref::ARef,}; use crate::{ driver::{NovaDevice, NovaDriver}, file::File,}; /// GEM Object inner driver data#[pin_data]pub(crate) struct NovaObject {} impl gem::DriverObject for NovaObject { type Driver = NovaDriver; type Args = (); fn new(_dev: &NovaDevice, _size: usize, _args: Self::Args) -> impl PinInit<Self, Error> { try_pin_init!(NovaObject {}) }} impl NovaObject { /// Create a new DRM GEM object. pub(crate) fn new(dev: &NovaDevice, size: usize) -> Result<ARef<gem::Object<Self>>> { if size == 0 { return Err(EINVAL); } let aligned_size = page::page_align(size).ok_or(EINVAL)?; gem::Object::<Self>::new(dev, aligned_size, ()) } /// Look up a GEM object handle for a `File` and return an `ObjectRef` for it. #[inline] pub(crate) fn lookup_handle( file: &drm::File<File>, handle: u32, ) -> Result<ARef<gem::Object<Self>>> { gem::Object::lookup_handle(file, handle) }}
// SPDX-License-Identifier: GPL-2.0
use kernel::{
drm,
drm::{
gem,
gem::BaseObject, //
},
page,
prelude::*,
sync::aref::ARef,
};
use crate::{
driver::{NovaDevice, NovaDriver},
file::File,
};
/// GEM Object inner driver data
#[pin_data]
pub(crate) struct NovaObject {}
impl gem::DriverObject for NovaObject {
type Driver = NovaDriver;
type Args = ();
fn new(_dev: &NovaDevice, _size: usize, _args: Self::Args) -> impl PinInit<Self, Error> {
try_pin_init!(NovaObject {})
}
}
impl NovaObject {
/// Create a new DRM GEM object.
pub(crate) fn new(dev: &NovaDevice, size: usize) -> Result<ARef<gem::Object<Self>>> {
if size == 0 {
return Err(EINVAL);
}
let aligned_size = page::page_align(size).ok_or(EINVAL)?;
gem::Object::<Self>::new(dev, aligned_size, ())
}
/// Look up a GEM object handle for a `File` and return an `ObjectRef` for it.
#[inline]
pub(crate) fn lookup_handle(
file: &drm::File<File>,
handle: u32,
) -> Result<ARef<gem::Object<Self>>> {
gem::Object::lookup_handle(file, handle)
}
}