linux-kernel - [PATCH] drm/amd/display: remove unused variable oldest

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Date:   Fri, 14 Apr 2023 11:08:30 -0400
From:   Tom Rix <trix@...hat.com>
To:     harry.wentland@....com, sunpeng.li@....com,
        Rodrigo.Siqueira@....com, alexander.deucher@....com,
        christian.koenig@....com, Xinhui.Pan@....com, airlied@...il.com,
        daniel@...ll.ch, HaoPing.Liu@....com, aric.cyr@....com,
        qingqing.zhuo@....com, hanghong.ma@....com, felipe.clark@....com,
        Dillon.Varone@....com, Mike.Hsieh@....com
Cc:     amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, Tom Rix <trix@...hat.com>
Subject: [PATCH] drm/amd/display: remove unused variable oldest_index

cpp_check reports
drivers/gpu/drm/amd/display/modules/freesync/freesync.c:1143:17: style: Variable
  'oldest_index' is assigned a value that is never used. [unreadVariable]
   oldest_index = 0;
                ^

This variable is not used so remove.

Signed-off-by: Tom Rix <trix@...hat.com>
---
 drivers/gpu/drm/amd/display/modules/freesync/freesync.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
index 5c41a4751db4..5798c0eafa1f 100644
--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
@@ -1137,10 +1137,6 @@ void mod_freesync_handle_preflip(struct mod_freesync *mod_freesync,
 
 	if (in_out_vrr->supported &&
 			in_out_vrr->state == VRR_STATE_ACTIVE_VARIABLE) {
-		unsigned int oldest_index = plane->time.index + 1;
-
-		if (oldest_index >= DC_PLANE_UPDATE_TIMES_MAX)
-			oldest_index = 0;
 
 		last_render_time_in_us = curr_time_stamp_in_us -
 				plane->time.prev_update_time_in_us;
-- 
2.27.0