diff options
| -rw-r--r-- | drivers/gpu/nova-core/gpu.rs | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/gpu/nova-core/gpu.rs b/drivers/gpu/nova-core/gpu.rs index 57c20d1e7274..88a6d7af9f37 100644 --- a/drivers/gpu/nova-core/gpu.rs +++ b/drivers/gpu/nova-core/gpu.rs @@ -122,8 +122,14 @@ impl fmt::Display for Chipset { } /// Enum representation of the GPU generation. -#[derive(fmt::Debug)] +/// +/// TODO: remove the `Default` trait implementation, and the `#[default]` +/// attribute, once the register!() macro (which creates Architecture items) no +/// longer requires it for read-only fields. +#[derive(fmt::Debug, Default, Copy, Clone)] +#[repr(u8)] pub(crate) enum Architecture { + #[default] Turing = 0x16, Ampere = 0x17, Ada = 0x19, @@ -142,6 +148,13 @@ impl TryFrom<u8> for Architecture { } } +impl From<Architecture> for u8 { + fn from(value: Architecture) -> Self { + // CAST: `Architecture` is `repr(u8)`, so this cast is always lossless. + value as u8 + } +} + pub(crate) struct Revision { major: u8, minor: u8, |