github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-03 20:14:06 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

gpu: nova-core: add FbRange.len() and use it in boot.rs

Browse Source 
A tiny simplification: now that FbLayout uses its own specific FbRange
type, add an FbRange.len() method, and use that to (very slightly)
simplify the calculation of Frts::frts_size initialization.

Suggested-by: Alexandre Courbot <acourbot@nvidia.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Link: https://patch.msgid.link/20260310021125.117855-3-jhubbard@nvidia.com
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
This commit is contained in:
John Hubbard 2026-03-09 19:10:52 -07:00 committed by Alexandre Courbot
parent ba6e088ac6
commit a247f8a107
2 changed files with 8 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/nova-core/fb.rs
View File

@ -100,6 +100,12 @@ pub(crate) fn unregister(&self, bar: &Bar0) {
pub(crate) struct FbRange(Range<u64>);
impl FbRange {
pub(crate) fn len(&self) -> u64 {
self.0.end - self.0.start
}
}
impl From<Range<u64>> for FbRange {
fn from(range: Range<u64>) -> Self {
Self(range)
@ -118,7 +124,7 @@ impl fmt::Debug for FbRange {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
// Use alternate format ({:#?}) to include size, compact format ({:?}) for just the range.
if f.alternate() {
let size = self.0.end - self.0.start;
let size = self.len();
if size < usize_as_u64(SZ_1M) {
let size_kib = size / usize_as_u64(SZ_1K);

2
drivers/gpu/nova-core/gsp/boot.rs
View File

@ -73,7 +73,7 @@ fn run_fwsec_frts(
bios,
FwsecCommand::Frts {
frts_addr: fb_layout.frts.start,
frts_size: fb_layout.frts.end - fb_layout.frts.start,
frts_size: fb_layout.frts.len(),
},
)?;