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Message-ID: <43q6mui3lofa4rqh667o54b2qcbqn5fg34ss5o7y7k7uxbxsro@dxgovofsrvqx>
Date:   Tue, 17 Oct 2023 01:41:59 +0530
From:   Akhil P Oommen <quic_akhilpo@...cinc.com>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>
CC:     Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        <cros-qcom-dts-watchers@...omium.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Luca Weiss <luca.weiss@...rphone.com>,
        "Rob Clark" <robdclark@...omium.org>,
        <linux-arm-msm@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        <freedreno@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH 2/7] drm/msm/adreno: Add ZAP firmware name to A635

On Tue, Sep 26, 2023 at 08:24:37PM +0200, Konrad Dybcio wrote:
> 
> Some (many?) devices with A635 expect a ZAP shader to be loaded.
> 
> Set the file name to allow for that.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
> ---
>  drivers/gpu/drm/msm/adreno/adreno_device.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c
> index fa527935ffd4..16527fe8584d 100644
> --- a/drivers/gpu/drm/msm/adreno/adreno_device.c
> +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c
> @@ -454,6 +454,7 @@ static const struct adreno_info gpulist[] = {
>  		.quirks = ADRENO_QUIRK_HAS_CACHED_COHERENT |
>  			ADRENO_QUIRK_HAS_HW_APRIV,
>  		.init = a6xx_gpu_init,
> +		.zapfw = "a660_zap.mbn",

sc7280 doesn't have a TZ and so no zap shader support. Can we handle
this using "firmware-name" property in your top level platform dt? Zap
firmwares are signed with different keys for each OEMs. So there is
cross-compatibility anyway.

-Ahil.

>  		.hwcg = a660_hwcg,
>  		.address_space_size = SZ_16G,
>  		.speedbins = ADRENO_SPEEDBINS(
> 
> -- 
> 2.42.0
> 

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