On Tue, Feb 10, 2026 at 09:38:12PM +0300, Onur Özkan wrote:
> GpuInfo::log() was decoding GPU_ID like this:
> 
>   major = (self.gpu_id >> 16) & 0xff;
>   minor = (self.gpu_id >> 8) & 0xff;
>   status = self.gpu_id & 0xff;
> 
> That does not match the Mali GPU_ID layout and mixes unrelated
> fields. Due to that, model detection becomes `mali-unknown` on
> rk3588s which is wrong.
> 
> We can already get all the version information with a single
> GpuId::from call (less code and cleaner), so this patch uses it.
> 
> Also renamed `GpuModels` fields from `major/minor` to
> `arch_major/prod_major` to reflect their real meaning.
> 
> This change was tested on Orange Pi 5 (rk3588s) board and the
> results are as follows:
> 
> Before this change:
> 
> $ dmesg | grep 'tyr'
> [   19.698338] tyr fb000000.gpu: mali-unknown id 0xa867 major 0x67 minor 0x0 
> status 0x5
> [   19.699050] tyr fb000000.gpu: Features: L2:0x7120306 Tiler:0x809 Mem:0x301 
> MMU:0x2830 AS:0xff
> [   19.699817] tyr fb000000.gpu: shader_present=0x0000000000050005 
> l2_present=0x0000000000000001 tiler_present=0x0000000000000001
> [   19.702493] tyr fb000000.gpu: Tyr initialized correctly.
> 
> After this change:
> 
> $ dmesg | grep 'tyr'
> [   19.591692] tyr fb000000.gpu: mali-g610 id 0xa867 major 0x0 minor 0x0 
> status 0x5
> [   19.592374] tyr fb000000.gpu: Features: L2:0x7120306 Tiler:0x809 Mem:0x301 
> MMU:0x2830 AS:0xff
> [   19.593141] tyr fb000000.gpu: shader_present=0x0000000000050005 
> l2_present=0x0000000000000001 tiler_present=0x0000000000000001
> [   19.595831] tyr fb000000.gpu: Tyr initialized correctly.
> 
> Signed-off-by: Onur Özkan <[email protected]>

Applied to drm-rust-next. Thanks!

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