On Thu Mar 26, 2026 at 7:53 AM CET, Alvin Sun wrote:
> +/// Writes VM debug information for the "gpuvas" debugfs file.
> +fn show_vm(vm: &Vm, f: &mut impl Write) -> core::fmt::Result {
> + writeln!(
> + f,
> + "DRM GPU VA space ({:?}) [0x{:016x};0x{:016x}]",
> + vm.gpuvm.name(),
> + vm.va_range.start,
> + vm.va_range.end,
> + )?;
> +
> + let kva = vm.gpuvm.kernel_alloc_va();
> + writeln!(
> + f,
> + "Kernel reserved node [0x{:016x};0x{:016x}]",
> + kva.addr(),
> + kva.addr() + kva.length(),
> + )?;
> +
> + writeln!(f, " VAs | start | range | end
> | object | object offset")?;
> + writeln!(f,
> "-------------------------------------------------------------------------------------------------------------")?;
> + for va in vm.gpuvm_core.lock().va_mappings() {
> + f.write_fmt(fmt!(
> + " | 0x{:016x} | 0x{:016x} | 0x{:016x} | {:18p} |
> 0x{:016x}\n",
> + va.addr(),
> + va.length(),
> + va.addr() + va.length(),
> + va.obj().as_raw(),
> + va.gem_offset(),
> + ))?;
> + }
> + Ok(())
> +}
Why is this code duplicated? The implementation already exists in [1].
[1]
https://elixir.bootlin.com/linux/v7.0.8/source/drivers/gpu/drm/drm_debugfs.c#L209
