linux-kernel - Re: [PATCH] drm/amd/display: Fix boolean expression in get_surf_rq

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Message-ID: <d15cb2bc-aa9a-d96a-cb22-91820575cc49@embeddedor.com>
Date:   Thu, 21 Mar 2019 22:30:40 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Joe Perches <joe@...ches.com>,
        "Wentland, Harry" <Harry.Wentland@....com>,
        "Laktyushkin, Dmytro" <Dmytro.Laktyushkin@....com>,
        "Li, Sun peng (Leo)" <Sunpeng.Li@....com>,
        "Deucher, Alexander" <Alexander.Deucher@....com>,
        "Koenig, Christian" <Christian.Koenig@....com>,
        "Zhou, David(ChunMing)" <David1.Zhou@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>
Cc:     "amd-gfx@...ts.freedesktop.org" <amd-gfx@...ts.freedesktop.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        stable@...r.kernel.org
Subject: Re: [PATCH] drm/amd/display: Fix boolean expression in
 get_surf_rq_param



On 3/21/19 10:14 PM, Joe Perches wrote:
> On Thu, 2019-03-21 at 22:10 -0500, Gustavo A. R. Silva wrote:
>> Hi Harry,
>>
>> I noticed this patch is already in mainline, but the stable tag
>> was removed.  What is the reason for that if this bug is present
>> in stable?
> 
> It's not a bug, it's just a style issue and
> the && use in some compilers it may be slower.
> 

You're right. What might be a bug in some cases
is the other way around.

Thanks, Joe.

--
Gustavo