Re: [PATCH v1] drm/tyr: gpu: fix GpuInfo::log model/version decoding
From: Alice Ryhl
Date: Tue Feb 24 2026 - 02:42:29 EST
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 <work@xxxxxxxxxxxxx>
Applied to drm-rust-next. Thanks!