From nobody Tue Feb 10 23:53:35 2026 Received: from forward201a.mail.yandex.net (forward201a.mail.yandex.net [178.154.239.92]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E75B63EBF1D; Tue, 10 Feb 2026 18:45:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.154.239.92 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770749143; cv=none; b=iOTgwizIVgX9iXShLOgixDKx8bkczUUbZm/DAnkFC3obYlwMffDaRK2bvS6hZVZywkaG+QMxXdL7jkm5zWR7gpCqu5Rrpv+CQYJURSiMIdKzkUWTUYDZR0EjYk//2mfKksc7F4gAV68EHZsfw0W2QaKCCzA9r1IUsnstWh0Z8cU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770749143; c=relaxed/simple; bh=LMoMVQAqPbX8i4k+pDwwvXLsKGiNiQ9WWcrA/kE5GK4=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=hpwDFR/saasQeYMWWAfjmiwqSj+z81b7pIzXMAHiVcs7SQFcLtKo2WG4VY1D0qIUE/I9EtZLipNV2to4kpafBqjzXi7u45jWLcGoLxYxsNaGA3Q223HWsLUXCFogI8rNW1JBQzP6NezTYLtXth2rPdOJz1sJ6osS8oF6WS6EvUY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=onurozkan.dev; spf=pass smtp.mailfrom=onurozkan.dev; dkim=pass (1024-bit key) header.d=onurozkan.dev header.i=@onurozkan.dev header.b=hBROQdAq; arc=none smtp.client-ip=178.154.239.92 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=onurozkan.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=onurozkan.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=onurozkan.dev header.i=@onurozkan.dev header.b="hBROQdAq" Received: from forward101a.mail.yandex.net (forward101a.mail.yandex.net [IPv6:2a02:6b8:c0e:500:1:45:d181:d101]) by forward201a.mail.yandex.net (Yandex) with ESMTPS id C856183BE2; Tue, 10 Feb 2026 21:39:16 +0300 (MSK) Received: from mail-nwsmtp-smtp-production-main-55.vla.yp-c.yandex.net (mail-nwsmtp-smtp-production-main-55.vla.yp-c.yandex.net [IPv6:2a02:6b8:c1f:582e:0:640:200:0]) by forward101a.mail.yandex.net (Yandex) with ESMTPS id AA25D80C69; Tue, 10 Feb 2026 21:39:08 +0300 (MSK) Received: by mail-nwsmtp-smtp-production-main-55.vla.yp-c.yandex.net (smtp/Yandex) with ESMTPSA id PcXcMe1H0Sw0-2SQWIV15; Tue, 10 Feb 2026 21:39:07 +0300 X-Yandex-Fwd: 1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=onurozkan.dev; s=mail; t=1770748747; bh=Rc5AjI3Knt85NCpzELFh1EO7d2bbaLUNXALLlH/+aDo=; h=Message-ID:Date:Cc:Subject:To:From; b=hBROQdAq0uC7jvfp51qciv3n7QPevHsltrzL05gVHx2ewGXmLIUtR4U4eaOvRDFVq sLsQt3Mdn3P46oKJivHUo0igEWkh7PoltFMWTkHAPPx8OahvIyZDnmTPiokKJQ5I7N Lh2IuFCRYxtF2+43CVVbnO9jnOm8jro2ufLM8R1w= Authentication-Results: mail-nwsmtp-smtp-production-main-55.vla.yp-c.yandex.net; dkim=pass header.i=@onurozkan.dev From: =?UTF-8?q?Onur=20=C3=96zkan?= To: daniel.almeida@collabora.com, aliceryhl@google.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 Cc: =?UTF-8?q?Onur=20=C3=96zkan?= Subject: [PATCH v1] drm/tyr: gpu: fix GpuInfo::log model/version decoding Date: Tue, 10 Feb 2026 21:38:12 +0300 Message-ID: <20260210183812.261142-1-work@onurozkan.dev> X-Mailer: git-send-email 2.51.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable GpuInfo::log() was decoding GPU_ID like this: major =3D (self.gpu_id >> 16) & 0xff; minor =3D (self.gpu_id >> 8) & 0xff; status =3D 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 0x= 0 status 0x5 [ 19.699050] tyr fb000000.gpu: Features: L2:0x7120306 Tiler:0x809 Mem:0x3= 01 MMU:0x2830 AS:0xff [ 19.699817] tyr fb000000.gpu: shader_present=3D0x0000000000050005 l2_pre= sent=3D0x0000000000000001 tiler_present=3D0x0000000000000001 [ 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 st= atus 0x5 [ 19.592374] tyr fb000000.gpu: Features: L2:0x7120306 Tiler:0x809 Mem:0x3= 01 MMU:0x2830 AS:0xff [ 19.593141] tyr fb000000.gpu: shader_present=3D0x0000000000050005 l2_pre= sent=3D0x0000000000000001 tiler_present=3D0x0000000000000001 [ 19.595831] tyr fb000000.gpu: Tyr initialized correctly. Signed-off-by: Onur =C3=96zkan --- drivers/gpu/drm/tyr/gpu.rs | 20 +++++++++----------- 1 file changed, 9 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/tyr/gpu.rs b/drivers/gpu/drm/tyr/gpu.rs index 6c582910dd5d..da97844efbec 100644 --- a/drivers/gpu/drm/tyr/gpu.rs +++ b/drivers/gpu/drm/tyr/gpu.rs @@ -99,13 +99,11 @@ pub(crate) fn new(dev: &Device, iomem: &Devres) -> Result { } =20 pub(crate) fn log(&self, pdev: &platform::Device) { - let major =3D (self.gpu_id >> 16) & 0xff; - let minor =3D (self.gpu_id >> 8) & 0xff; - let status =3D self.gpu_id & 0xff; + let gpu_id =3D GpuId::from(self.gpu_id); =20 let model_name =3D if let Some(model) =3D GPU_MODELS .iter() - .find(|&f| f.major =3D=3D major && f.minor =3D=3D minor) + .find(|&f| f.arch_major =3D=3D gpu_id.arch_major && f.prod_maj= or =3D=3D gpu_id.prod_major) { model.name } else { @@ -117,9 +115,9 @@ pub(crate) fn log(&self, pdev: &platform::Device) { "mali-{} id 0x{:x} major 0x{:x} minor 0x{:x} status 0x{:x}", model_name, self.gpu_id >> 16, - major, - minor, - status + gpu_id.ver_major, + gpu_id.ver_minor, + gpu_id.ver_status ); =20 dev_info!( @@ -167,14 +165,14 @@ unsafe impl AsBytes for GpuInfo {} =20 struct GpuModels { name: &'static str, - major: u32, - minor: u32, + arch_major: u32, + prod_major: u32, } =20 const GPU_MODELS: [GpuModels; 1] =3D [GpuModels { name: "g610", - major: 10, - minor: 7, + arch_major: 10, + prod_major: 7, }]; =20 #[allow(dead_code)] --=20 2.51.2