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Date:   Thu, 15 Jun 2023 01:16:13 +0530
From:   Akhil P Oommen <quic_akhilpo@quicinc.com>
To:     Konrad Dybcio <konrad.dybcio@linaro.org>
CC:     Rob Clark <robdclark@gmail.com>,
        Abhinav Kumar <quic_abhinavk@quicinc.com>,
        Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
        Sean Paul <sean@poorly.run>, David Airlie <airlied@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Konrad Dybcio <konrad.dybcio@somainline.org>,
        Conor Dooley <conor+dt@kernel.org>,
        <linux-arm-msm@vger.kernel.org>, <dri-devel@lists.freedesktop.org>,
        <freedreno@lists.freedesktop.org>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, Rob Clark <robdclark@chromium.org>,
        Marijn Suijten <marijn.suijten@somainline.org>
Subject: Re: [PATCH v8 15/18] drm/msm/a6xx: Use "else if" in GPU speedbin rev
 matching
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References: <20230223-topic-gmuwrapper-v8-0-69c68206609e@linaro.org>
 <20230223-topic-gmuwrapper-v8-15-69c68206609e@linaro.org>
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On Mon, May 29, 2023 at 03:52:34PM +0200, Konrad Dybcio wrote:
> 
> The GPU can only be one at a time. Turn a series of ifs into if +
> elseifs to save some CPU cycles.
> 
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>

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

-Akhil
> ---
>  drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> index 1a29e7dd9975..5faa85543428 100644
> --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c
> @@ -2170,16 +2170,16 @@ 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))
> +	else 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))
> +	else if (adreno_cmp_rev(ADRENO_REV(6, 3, 5, ANY_ID), rev))
>  		val = adreno_7c3_get_speed_bin(fuse);
>  
> -	if (adreno_cmp_rev(ADRENO_REV(6, 4, 0, ANY_ID), rev))
> +	else if (adreno_cmp_rev(ADRENO_REV(6, 4, 0, ANY_ID), rev))
>  		val = a640_get_speed_bin(fuse);
>  
> -	if (adreno_cmp_rev(ADRENO_REV(6, 5, 0, ANY_ID), rev))
> +	else if (adreno_cmp_rev(ADRENO_REV(6, 5, 0, ANY_ID), rev))
>  		val = a650_get_speed_bin(fuse);
>  
>  	if (val == UINT_MAX) {
> 
> -- 
> 2.40.1
>