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From: Alice Ryhl <aliceryhl@google.com>
To: "Onur Özkan" <work@onurozkan.dev>
Cc: daniel.almeida@collabora.com, dakr@kernel.org, airlied@gmail.com,
	 simona@ffwll.ch, dri-devel@lists.freedesktop.org,
	 linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org
Subject: Re: [PATCH v1] drm/tyr: gpu: fix GpuInfo::log model/version decoding
Date: Tue, 24 Feb 2026 07:42:21 +0000	[thread overview]
Message-ID: <aZ1WXYhM8meuCZkM@google.com> (raw)
In-Reply-To: <20260210183812.261142-1-work@onurozkan.dev>

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@onurozkan.dev>

Applied to drm-rust-next. Thanks!

      parent reply	other threads:[~2026-02-24  7:42 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-10 18:38 [PATCH v1] drm/tyr: gpu: fix GpuInfo::log model/version decoding Onur Özkan
2026-02-11  7:33 ` 孙科
2026-02-12 12:25 ` Boris Brezillon
2026-02-24  7:42 ` Alice Ryhl [this message]

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