From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
To: Akhil P Oommen <akhilpo@oss.qualcomm.com>,
Will Deacon <will@kernel.org>,
Robin Murphy <robin.murphy@arm.com>,
Joerg Roedel <joro@8bytes.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Rob Clark <robin.clark@oss.qualcomm.com>,
Dmitry Baryshkov <lumag@kernel.org>,
Abhinav Kumar <abhinav.kumar@linux.dev>,
Jessica Zhang <jesszhan0024@gmail.com>,
Marijn Suijten <marijn.suijten@somainline.org>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>
Cc: Sean Paul <sean@poorly.run>,
linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org,
dri-devel@lists.freedesktop.org,
Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Subject: Re: [PATCH v2 5/8] arm64: dts: qcom: Add GPU support for Kaanapali
Date: Mon, 6 Jul 2026 11:37:56 +0200 [thread overview]
Message-ID: <e2b7e03f-911b-41cd-8ac4-044492e2bdbc@oss.qualcomm.com> (raw)
In-Reply-To: <20260705-kaana-gpu-dt-v2-5-6ac53de56314@oss.qualcomm.com>
On 7/5/26 10:00 AM, Akhil P Oommen wrote:
> Adreno 840 present in Kaanapali SoC is the second generation GPU in
> A8x family. It is based on the new slice architecture with 3 slices,
> higher GMEM/caches etc.
>
> There is some re-arrangement in the reglist to properly cover maximum
> register region. Other than this, the DT description is mostly similar
> to the existing chipsets except the OPP tables.
>
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
> Signed-off-by: Akhil P Oommen <akhilpo@oss.qualcomm.com>
> ---
[...]
> + qcom,gmu = <&gmu>;
> + #cooling-cells = <2>;
> +
> + nvmem-cells = <&gpu_speed_bin>;
> + nvmem-cell-names = "speed_bin";
This looks good to me, but I thought that on a8x, we're supposed to use
the freq limiting register in CX_MISC - is either of them preferred?
Or are they just hardwired to the same thing by chance
Konrad
next prev parent reply other threads:[~2026-07-06 9:38 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-05 8:00 [PATCH v2 0/8] arm64: dts: qcom: Devicetree support for Kaanapali GPU Akhil P Oommen
2026-07-05 8:00 ` [PATCH v2 1/8] drm/msm/a6xx: Increase HFI GX perf level limit to 24 Akhil P Oommen
2026-07-05 8:17 ` sashiko-bot
2026-07-05 12:08 ` Akhil P Oommen
2026-07-05 8:00 ` [PATCH v2 2/8] dt-bindings: display/msm: gpu: Document Adreno 840 Akhil P Oommen
2026-07-06 6:36 ` Krzysztof Kozlowski
2026-07-05 8:00 ` [PATCH v2 3/8] arm64: dts: qcom: kaanapali: add the GPU SMMU node Akhil P Oommen
2026-07-06 9:33 ` Konrad Dybcio
2026-07-05 8:00 ` [PATCH v2 4/8] arm64: dts: qcom: kaanapali: Add QFPROM node Akhil P Oommen
2026-07-06 9:35 ` Konrad Dybcio
2026-07-05 8:00 ` [PATCH v2 5/8] arm64: dts: qcom: Add GPU support for Kaanapali Akhil P Oommen
2026-07-06 9:37 ` Konrad Dybcio [this message]
2026-07-06 20:06 ` Akhil P Oommen
2026-07-05 8:00 ` [PATCH v2 6/8] arm64: dts: qcom: kaanapali: Add GPU cooling Akhil P Oommen
2026-07-06 9:39 ` Konrad Dybcio
2026-07-05 8:00 ` [PATCH v2 7/8] arm64: dts: qcom: kaanapali-mtp: Enable GPU Akhil P Oommen
2026-07-05 8:00 ` [PATCH v2 8/8] arm64: dts: qcom: kaanapali-qrd: " Akhil P Oommen
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