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SubjectRe: [Freedreno] [PATCH v3 3/4] drm/msm/a6xx: Add speedbin support for A619 GPU
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On 5/28/2022 9:33 PM, Konrad Dybcio wrote:
> There are various SKUs of A619, ranging from 565 MHz to 850 MHz, depending
> on the bin. Add support for distinguishing them, so that proper frequency
> ranges can be applied, depending on the HW.
>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
> ---
> drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
>
> diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> index 331cd2f6b9e3..a2a30a9ab677 100644
> --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> @@ -1836,6 +1836,22 @@ static u32 a618_get_speed_bin(u32 fuse)
> return UINT_MAX;
> }
>
> +static u32 a619_get_speed_bin(u32 fuse)
> +{
> + if (fuse == 0)
> + return 0;
> + else if (fuse == 120)
> + return 4;
> + else if (fuse == 138)
> + return 3;
> + else if (fuse == 169)
> + return 2;
> + else if (fuse == 180)
> + return 1;
> +
> + return UINT_MAX;
> +}
> +
> static u32 adreno_7c3_get_speed_bin(u32 fuse)
> {
> if (fuse == 0)
> @@ -1855,6 +1871,9 @@ static u32 fuse_to_supp_hw(struct device *dev, struct adreno_rev rev, u32 fuse)
> if (adreno_cmp_rev(ADRENO_REV(6, 1, 8, ANY_ID), rev))
> val = a618_get_speed_bin(fuse);
>
> + if (adreno_cmp_rev(ADRENO_REV(6, 1, 9, ANY_ID), rev))
> + val = a619_get_speed_bin(fuse);
> +
> if (adreno_cmp_rev(ADRENO_REV(6, 3, 5, ANY_ID), rev))
> val = adreno_7c3_get_speed_bin(fuse);
>

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


-Akhil

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