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

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Date: Fri,  2 Feb 2024 16:47:26 +0800
From: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To: harry.wentland@....com
Cc: 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,
	Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
	Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH] drm/amd/display: Simplify the calculation of variables

/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>
---
 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