linux-kernel - Re: [PATCH v2] drm/msm/dpu: Remove some unused variables

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20230118102202.3oaiv74oo2pi6uuu@SoMainline.org>
Date:   Wed, 18 Jan 2023 11:22:02 +0100
From:   Marijn Suijten <marijn.suijten@...ainline.org>
To:     Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Cc:     robdclark@...il.com, quic_abhinavk@...cinc.com,
        dmitry.baryshkov@...aro.org, sean@...rly.run, airlied@...il.com,
        daniel@...ll.ch, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, Abaci Robot <abaci@...ux.alibaba.com>
Subject: Re: [PATCH v2] drm/msm/dpu: Remove some unused variables

On 2023-01-18 17:18:33, Jiapeng Chong wrote:
> Variables 'sc8280xp_regdma' and 'sm8350_regdma' are defined in the
> dpu_hw_catalog.c file, but not used elsewhere, so remove these unused
> variables.
> 
> drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c:2029:37: warning: unused
> variable 'sc8280xp_regdma'.
> drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c:2053:37: warning: unused
> variable 'sm8350_regdma'.
> 
> Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3722
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>

Does this need a Fixes tag?

> ---
> Changes in v2:
>   -Adding the regdma entries to .dma_cfg of these chipsets.

Don't forget to change the title of this patch; now you're not removing
unused variables anymore.

- Marijn

>  drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> index 0f3da480b066..3318e1d18a0e 100644
> --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_catalog.c
> @@ -2677,6 +2677,8 @@ static const struct dpu_mdss_cfg sc8280xp_dpu_cfg = {
>  	.intf = sc8280xp_intf,
>  	.vbif_count = ARRAY_SIZE(sdm845_vbif),
>  	.vbif = sdm845_vbif,
> +	.reg_dma_count = 1,
> +	.dma_cfg = &sc8280xp_regdma,
>  	.perf = &sc8280xp_perf_data,
>  	.mdss_irqs = IRQ_SC8280XP_MASK,
>  };
> @@ -2732,7 +2734,7 @@ static const struct dpu_mdss_cfg sm8350_dpu_cfg = {
>  	.vbif_count = ARRAY_SIZE(sdm845_vbif),
>  	.vbif = sdm845_vbif,
>  	.reg_dma_count = 1,
> -	.dma_cfg = &sm8250_regdma,
> +	.dma_cfg = &sm8350_regdma,
>  	.perf = &sm8350_perf_data,
>  	.mdss_irqs = IRQ_SM8350_MASK,
>  };
> -- 
> 2.20.1.7.g153144c
>