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authorAlexandre Courbot <acourbot@nvidia.com>2025-10-29 08:12:11 +0900
committerAlexandre Courbot <acourbot@nvidia.com>2025-11-04 13:26:54 +0900
commit6553a8f168fb7941ae73d39eccac64f3a2b9b399 (patch)
tree9587545e99edd6e6ba3e47fc0e840e6c42b72c5c /drivers/gpu/nova-core/firmware/fwsec.rs
parent505c3ec507a7eb4bbaef9aa8b13b6452e86baca2 (diff)
gpu: nova-core: use `try_from` instead of `as` for u32 conversions
There are a few situations in the driver where we convert a `usize` into a `u32` using `as`. Even though most of these are obviously correct, use `try_from` and let the compiler optimize wherever it is safe to do so. Acked-by: Danilo Krummrich <dakr@kernel.org> Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Message-ID: <20251029-nova-as-v3-3-6a30c7333ad9@nvidia.com>
Diffstat (limited to 'drivers/gpu/nova-core/firmware/fwsec.rs')
-rw-r--r--drivers/gpu/nova-core/firmware/fwsec.rs8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/gpu/nova-core/firmware/fwsec.rs b/drivers/gpu/nova-core/firmware/fwsec.rs
index dd3420aaa2bf..ce78c1563754 100644
--- a/drivers/gpu/nova-core/firmware/fwsec.rs
+++ b/drivers/gpu/nova-core/firmware/fwsec.rs
@@ -291,7 +291,7 @@ impl FirmwareDmaObject<FwsecFirmware, Unsigned> {
frts_cmd.read_vbios = ReadVbios {
ver: 1,
- hdr: size_of::<ReadVbios>() as u32,
+ hdr: u32::try_from(size_of::<ReadVbios>())?,
addr: 0,
size: 0,
flags: 2,
@@ -304,9 +304,9 @@ impl FirmwareDmaObject<FwsecFirmware, Unsigned> {
} => {
frts_cmd.frts_region = FrtsRegion {
ver: 1,
- hdr: size_of::<FrtsRegion>() as u32,
- addr: (frts_addr >> 12) as u32,
- size: (frts_size >> 12) as u32,
+ hdr: u32::try_from(size_of::<FrtsRegion>())?,
+ addr: u32::try_from(frts_addr >> 12)?,
+ size: u32::try_from(frts_size >> 12)?,
ftype: NVFW_FRTS_CMD_REGION_TYPE_FB,
};