Re: [PATCH 2/7] drm/msm/adreno: Add ZAP firmware name to A635

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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@xxxxxxxxxx>
> ---
>  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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