linux-kernel - Re: [PATCH] drm/amd/display: Simplify the calculation of variables

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Date: Fri, 2 Feb 2024 11:23:22 -0500
From: Alex Deucher <alexdeucher@...il.com>
To: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Cc: harry.wentland@....com, sunpeng.li@....com, Rodrigo.Siqueira@....com, 
	alexander.deucher@....com, christian.koenig@....com, Xinhui.Pan@....com, 
	airlied@...il.com, daniel@...ll.ch, amd-gfx@...ts.freedesktop.org, 
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org, 
	Abaci Robot <abaci@...ux.alibaba.com>
Subject: Re: [PATCH] drm/amd/display: Simplify the calculation of variables

On Fri, Feb 2, 2024 at 10:13 AM Jiapeng Chong
<jiapeng.chong@...ux.alibaba.com> wrote:
>
> ./drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c:236:49-51: WARNING !A || A && B is equivalent to !A || B.
>
> Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
> Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=8169
> Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>

Applied.  Thanks!

Alex

> ---
>  drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c
> index 1068b962d1c1..f15d1dbad6a9 100644
> --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c
> +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_utils.c
> @@ -234,7 +234,7 @@ static bool get_plane_id(struct dml2_context *dml2, const struct dc_state *state
>                 if (state->streams[i]->stream_id == stream_id) {
>                         for (j = 0; j < state->stream_status[i].plane_count; j++) {
>                                 if (state->stream_status[i].plane_states[j] == plane &&
> -                                       (!is_plane_duplicate || (is_plane_duplicate && (j == plane_index)))) {
> +                                       (!is_plane_duplicate || (j == plane_index))) {
>                                         *plane_id = (i << 16) | j;
>                                         return true;
>                                 }
> --
> 2.20.1.7.g153144c
>