linux-kernel - Re: [PATCH] drm/amd/display: remove redundant check

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Message-ID: <2023103115-obstruct-smudgy-6cc6@gregkh>
Date:   Tue, 31 Oct 2023 06:48:29 +0100
From:   Greg KH <gregkh@...uxfoundation.org>
To:     José Pekkarinen <jose.pekkarinen@...hound.fi>
Cc:     harry.wentland@....com, sunpeng.li@....com,
        Rodrigo.Siqueira@....com, skhan@...uxfoundation.org,
        dillon.varone@....com,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        dri-devel@...ts.freedesktop.org, Xinhui.Pan@....com,
        linux-kernel@...r.kernel.org, samson.tam@....com,
        SyedSaaem.Rizvi@....com, aurabindo.pillai@....com,
        stable@...r.kernel.org, daniel@...ll.ch, george.shen@....com,
        alexander.deucher@....com, Jun.Lei@....com, airlied@...il.com,
        christian.koenig@....com
Subject: Re: [PATCH] drm/amd/display: remove redundant check

On Mon, Oct 30, 2023 at 07:17:48PM +0200, José Pekkarinen wrote:
> This patch addresses the following warning spotted by
> using coccinelle where the case checked does the same
> than the else case.
> 
> drivers/gpu/drm/amd/display/dc/dml/dcn32/display_mode_vba_util_32.c:4664:8-10: WARNING: possible condition with no effect (if == else)
> 
> Fixes: 974ce181 ("drm/amd/display: Add check for PState change in DCN32")
> 
> Cc: stable@...r.kernel.org

Why is this relevant for stable?