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

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Date: Thu, 18 Jan 2024 10:23:15 +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_dc_resource_mgmt.c:703:47-49: 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=7931
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c
index a0ce681b26c6..118aaf4389bc 100644
--- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c
+++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c
@@ -700,9 +700,9 @@ static void free_unused_pipes_for_plane(struct dml2_context *ctx, struct dc_stat
 	for (i = 0; i < ctx->config.dcn_pipe_count; i++) {
 		if (state->res_ctx.pipe_ctx[i].plane_state == plane &&
 			state->res_ctx.pipe_ctx[i].stream->stream_id == stream_id &&
-			(!is_plane_duplicate || (is_plane_duplicate &&
+			(!is_plane_duplicate ||
 			ctx->v20.scratch.dml_to_dc_pipe_mapping.dml_pipe_idx_to_plane_index[state->res_ctx.pipe_ctx[i].pipe_idx] == plane_index)) &&
-			!is_pipe_used(pool, state->res_ctx.pipe_ctx[i].pipe_idx)) {
+			!is_pipe_used(pool, state->res_ctx.pipe_ctx[i].pipe_idx) {
 			free_pipe(&state->res_ctx.pipe_ctx[i]);
 		}
 	}
-- 
2.20.1.7.g153144c