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Message-ID: <c83247da-a2c8-4dd7-ba85-5db17ac7ec79@oss.qualcomm.com>
Date: Mon, 4 Nov 2024 11:24:49 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Akhil P Oommen <quic_akhilpo@...cinc.com>,
        Rob Clark
 <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>
Cc: linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Jie Zhang <quic_jiezh@...cinc.com>
Subject: Re: [PATCH] drm/msm/a6xx: Add support for Adreno 612

On 1.11.2024 4:10 PM, Akhil P Oommen wrote:
> From: Jie Zhang <quic_jiezh@...cinc.com>
> 
> Add support for Adreno 612 GPU found in SM6150/QCS615 chipsets.
> A612 falls under ADRENO_6XX_GEN1 family and is a cut down version
> of A615 GPU.
> 
> A612 has a new IP called Reduced Graphics Management Unit or RGMU
> which is a small state machine which helps to toggle GX GDSC
> (connected to CX rail) to implement IFPC feature. It doesn't support
> any other features of a full fledged GMU like clock control, resource
> voting to rpmh etc. So we need linux clock driver support like other
> gmu-wrapper implementations to control gpu core clock and gpu GX gdsc.
> Since there is no benefit with enabling RGMU at the moment, RGMU is
> entirely skipped in this patch.
> 
> Signed-off-by: Jie Zhang <quic_jiezh@...cinc.com>
> Signed-off-by: Akhil P Oommen <quic_akhilpo@...cinc.com>
> ---
> Mesa support is already available for A612. Verified Glmark2 with
> weston.
> 
> Some dependencies for the devicetree change are not yet available
> in the mailing lists. I will send it out as a separate patch later.
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

Konrad

[...]

> -	return adreno_is_a610(gpu) || adreno_is_a702(gpu);
> +	return adreno_is_a610(gpu) ||
> +	       adreno_is_a702(gpu) ||
> +	       adreno_is_a612(gpu);
>  }

Nit: it would be nice if these were sorted but that's minor

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