On Mon, May 29, 2023 at 03:52:37PM +0200, Konrad Dybcio wrote:
> 
> A610 is implemented on at least three SoCs: SM6115 (bengal), SM6125
> (trinket) and SM6225 (khaje). Trinket does not support speed binning
> (only a single SKU exists) and we don't yet support khaje upstream.
> Hence, add a fuse mapping table for bengal to allow for per-chip
> frequency limiting.
> 
> Reviewed-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
> Signed-off-by: Konrad Dybcio <konrad.dyb...@linaro.org>
> ---
>  drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 27 +++++++++++++++++++++++++++
>  1 file changed, 27 insertions(+)
> 
> diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c 
> b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> index d046af5f6de2..c304fa118cff 100644
> --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> @@ -2098,6 +2098,30 @@ static bool a6xx_progress(struct msm_gpu *gpu, struct 
> msm_ringbuffer *ring)
>       return progress;
>  }
>  
> +static u32 a610_get_speed_bin(u32 fuse)
> +{
> +     /*
> +      * There are (at least) three SoCs implementing A610: SM6125 (trinket),
> +      * SM6115 (bengal) and SM6225 (khaje). Trinket does not have 
> speedbinning,
> +      * as only a single SKU exists and we don't support khaje upstream yet.
> +      * Hence, this matching table is only valid for bengal and can be easily
> +      * expanded if need be.
> +      */
> +
> +     if (fuse == 0)
> +             return 0;
> +     else if (fuse == 206)
> +             return 1;
> +     else if (fuse == 200)
> +             return 2;
> +     else if (fuse == 157)
> +             return 3;
> +     else if (fuse == 127)
> +             return 4;
> +
> +     return UINT_MAX;
> +}
> +
>  static u32 a618_get_speed_bin(u32 fuse)
>  {
>       if (fuse == 0)
> @@ -2195,6 +2219,9 @@ static u32 fuse_to_supp_hw(struct device *dev, struct 
> adreno_gpu *adreno_gpu, u3
>  {
>       u32 val = UINT_MAX;
>  
> +     if (adreno_is_a610(adreno_gpu))
> +             val = a610_get_speed_bin(fuse);
> +

Didn't you update here to convert to 'else if' in one of the earlier
patches??

Reviewed-by: Akhil P Oommen <quic_akhi...@quicinc.com>

-Akhil.
>       if (adreno_is_a618(adreno_gpu))
>               val = a618_get_speed_bin(fuse);
>  
> 
> -- 
> 2.40.1
> 

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