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authorJani Nikula <jani.nikula@intel.com>2025-06-09 12:40:46 +0300
committerJani Nikula <jani.nikula@intel.com>2025-06-09 12:40:46 +0300
commit34c55367af96f62e89221444f04487440ebc6487 (patch)
treefdb36ba67d7dea09455b55037e26043b7e051ef9 /drivers/gpu/drm/nova/gem.rs
parent7247efca0dcbc8ac6147db9200ed1549c0662465 (diff)
parent19272b37aa4f83ca52bdf9c16d5d81bdd1354494 (diff)
downloadlinux-34c55367af96f62e89221444f04487440ebc6487.tar.xz
Merge drm/drm-next into drm-intel-next
Sync to v6.16-rc1, among other things to get the fixed size GENMASK_U*() and BIT_U*() macros. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'drivers/gpu/drm/nova/gem.rs')
-rw-r--r--drivers/gpu/drm/nova/gem.rs49
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nova/gem.rs b/drivers/gpu/drm/nova/gem.rs
new file mode 100644
index 000000000000..33b62d21400c
--- /dev/null
+++ b/drivers/gpu/drm/nova/gem.rs
@@ -0,0 +1,49 @@
+// SPDX-License-Identifier: GPL-2.0
+
+use kernel::{
+ drm,
+ drm::{gem, gem::BaseObject},
+ prelude::*,
+ types::ARef,
+};
+
+use crate::{
+ driver::{NovaDevice, NovaDriver},
+ file::File,
+};
+
+/// GEM Object inner driver data
+#[pin_data]
+pub(crate) struct NovaObject {}
+
+impl gem::BaseDriverObject<gem::Object<NovaObject>> for NovaObject {
+ fn new(_dev: &NovaDevice, _size: usize) -> impl PinInit<Self, Error> {
+ try_pin_init!(NovaObject {})
+ }
+}
+
+impl gem::DriverObject for NovaObject {
+ type Driver = NovaDriver;
+}
+
+impl NovaObject {
+ /// Create a new DRM GEM object.
+ pub(crate) fn new(dev: &NovaDevice, size: usize) -> Result<ARef<gem::Object<Self>>> {
+ let aligned_size = size.next_multiple_of(1 << 12);
+
+ if size == 0 || size > aligned_size {
+ return Err(EINVAL);
+ }
+
+ gem::Object::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)
+ }
+}