linux-kernel - Re: [PATCH] drm/amd/display: avoid variable reinitialization

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Message-ID: <744beb05-1327-401e-a961-edfe63bd8927@gmail.com>
Date:   Mon, 30 Oct 2023 20:17:57 +0530
From:   Bragatheswaran Manickavel <bragathemanick0908@...il.com>
To:     harry.wentland@....com, sunpeng.li@....com,
        Rodrigo.Siqueira@....com, alexander.deucher@....com,
        christian.koenig@....com, Xinhui.Pan@....com, daniel@...ll.ch,
        airlied@...il.com, Qingqing.Zhuo@....com, alvin.lee2@....com,
        wenjing.liu@....com, jun.lei@....com, Samson.Tam@....com
Cc:     amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/amd/display: avoid variable reinitialization


On 24/10/23 23:41, Bragatheswaran Manickavel wrote:
> The member variable enable_hpo_pg_support is already initialized
> and hence the reinitialization instruction can be removed. Issue
> identified using the doubleinit.cocci Coccinelle semantic patch script.
>
> Signed-off-by: Bragatheswaran Manickavel <bragathemanick0908@...il.com>
> ---
>   drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c | 1 -
>   1 file changed, 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c
> index 99d55b958977..1fd9df8da09c 100644
> --- a/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c
> +++ b/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_resource.c
> @@ -739,7 +739,6 @@ static const struct dc_debug_options debug_defaults_drv = {
>   	.disable_boot_optimizations = false,
>   	.disable_unbounded_requesting = false,
>   	.disable_mem_low_power = false,
> -	.enable_hpo_pg_support = false,
>   	//must match enable_single_display_2to1_odm_policy to support dynamic ODM transitions
>   	.enable_double_buffered_dsc_pg_support = true,
>   	.enable_dp_dig_pixel_rate_div_policy = 1,


just a friendly ping

Thanks,
Bragathe