[PATCH v3 01/10] gpu: nova-core: convert PMC registers to kernel register macro

[Alexandre Courbot]

On Mon Mar 23, 2026 at 8:21 PM JST, Danilo Krummrich wrote:
> On Mon Mar 23, 2026 at 12:07 PM CET, Alexandre Courbot wrote:
>> -impl TryFrom<u8> for Architecture {
>> +impl TryFrom<Bounded<u32, 6>> for Architecture {
>>      type Error = Error;
>>  
>> -    fn try_from(value: u8) -> Result<Self> {
>> -        match value {
>> +    fn try_from(value: Bounded<u32, 6>) -> Result<Self> {
>> +        match u8::from(value) {
>>              0x16 => Ok(Self::Turing),
>>              0x17 => Ok(Self::Ampere),
>>              0x19 => Ok(Self::Ada),
>> @@ -155,23 +151,26 @@ fn try_from(value: u8) -> Result<Self> {
>>      }
>>  }
>>  
>> -impl From<Architecture> for u8 {
>> +impl From<Architecture> for Bounded<u32, 6> {
>>      fn from(value: Architecture) -> Self {
>> -        // CAST: `Architecture` is `repr(u8)`, so this cast is always lossless.
>> -        value as u8
>> +        match value {
>> +            Architecture::Turing => Bounded::<u32, _>::new::<0x16>(),
>> +            Architecture::Ampere => Bounded::<u32, _>::new::<0x17>(),
>> +            Architecture::Ada => Bounded::<u32, _>::new::<0x19>(),
>> +        }
>>      }
>>  }
>
> Can this use bounded_enum!()?

If we move it outside of `falcon.rs`, yes. I didn't want to make too
permanent a solution with the `TryFrom` macro being developed, but if
you prefer that way that's doable. I guess `bounded_enum` would need to
be in the root module though to be accessible by both `falcon` and
`gpu`.