Re: [PATCH v2 7/9] rust: drm: gpuvm: add dump_gpuva_info to UniqueRefGpuVm

On Fri, Jul 31, 2026 at 01:05:45AM +0800, Alvin Sun wrote:
> Add method wrapping drm_debugfs_gpuva_info to dump GPU VA space
> mappings into a seq_file. Needed by the Tyr gpuvas debugfs file.
> 
> Signed-off-by: Alvin Sun <[email protected]>
> ---
>  rust/kernel/drm/gpuvm/mod.rs | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/rust/kernel/drm/gpuvm/mod.rs b/rust/kernel/drm/gpuvm/mod.rs
> index 20a08b3defeb8..9da88501a4206 100644
> --- a/rust/kernel/drm/gpuvm/mod.rs
> +++ b/rust/kernel/drm/gpuvm/mod.rs
> @@ -312,6 +312,14 @@ pub fn data_ref(&self) -> &T {
>          unsafe { &*self.0.data.get() }
>      }
>  
> +    /// Dumps GPU VA space info into a seq_file.
> +    ///
> +    /// Wraps the C `drm_debugfs_gpuva_info` function.
> +    pub fn dump_gpuva_info(&self, m: &crate::seq_file::SeqFile) -> Result {
> +        // SAFETY: `m.as_raw()` and `self.as_raw()` are valid by the type invariants.
> +        to_result(unsafe { bindings::drm_debugfs_gpuva_info(m.as_raw(), self.as_raw()) })
> +    }

This can be marked inline. Otherwise:

Reviewed-by: Alice Ryhl <[email protected]>