linux-kernel - [PATCH] drm/amd: remove possible condition with no effect (if == else)

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Date:   Tue, 23 Aug 2022 00:00:44 -0700
From:   Bernard Zhao <bernard@...o.com>
To:     Harry Wentland <harry.wentland@....com>,
        Leo Li <sunpeng.li@....com>,
        Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        "Pan, Xinhui" <Xinhui.Pan@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Nicholas Kazlauskas <nicholas.kazlauskas@....com>,
        Jun Lei <Jun.Lei@....com>,
        Meenakshikumar Somasundaram <meenakshikumar.somasundaram@....com>,
        Martin Leung <martin.leung@....com>,
        Alvin Lee <alvin.lee2@....com>,
        Samson Tam <Samson.Tam@....com>, Alex Hung <alex.hung@....com>,
        Joshua Aberback <joshua.aberback@....com>,
        Wenjing Liu <wenjing.liu@....com>,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Cc:     zhaojunkui2008@....com, Bernard Zhao <bernard@...o.com>
Subject: [PATCH] drm/amd: remove possible condition with no effect (if == else)

This patch fix cocci warning:
drivers/gpu/drm/amd/display/dc/core/dc.c:3335:2-4: WARNING:
possible condition with no effect (if == else).

Signed-off-by: Bernard Zhao <bernard@...o.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index aeecca68dea7..2d4c44083d79 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -3332,13 +3332,8 @@ static void commit_planes_for_stream(struct dc *dc,
 		/* Since phantom pipe programming is moved to post_unlock_program_front_end,
 		 * move the SubVP lock to after the phantom pipes have been setup
 		 */
-		if (should_lock_all_pipes && dc->hwss.interdependent_update_lock) {
-			if (dc->hwss.subvp_pipe_control_lock)
-				dc->hwss.subvp_pipe_control_lock(dc, context, false, should_lock_all_pipes, NULL, subvp_prev_use);
-		} else {
-			if (dc->hwss.subvp_pipe_control_lock)
-				dc->hwss.subvp_pipe_control_lock(dc, context, false, should_lock_all_pipes, NULL, subvp_prev_use);
-		}
+		if (dc->hwss.subvp_pipe_control_lock)
+			dc->hwss.subvp_pipe_control_lock(dc, context, false, should_lock_all_pipes, NULL, subvp_prev_use);
 		return;
 	}
 
-- 
2.33.1