linux-kernel - [PATCH linux-next] drm/amd/display: remove redundant vertical_line

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Message-Id: <20220829121320.267892-1-cui.jinpeng2@zte.com.cn>
Date:   Mon, 29 Aug 2022 12:13:20 +0000
From:   cgel.zte@...il.com
To:     harry.wentland@....com, sunpeng.li@....com,
        Rodrigo.Siqueira@....com, alexander.deucher@....com,
        christian.koenig@....com, Xinhui.Pan@....com, airlied@...ux.ie,
        daniel@...ll.ch, Anthony.Koo@....com, alex.hung@....com,
        Roman.Li@....com, Yi-Ling.Chen2@....com, hanghong.ma@....com,
        mwen@...lia.com, dingchen.zhang@....com
Cc:     Jerry.Zuo@....com, agustin.gutierrez@....com, dale.zhao@....com,
        isabbasso@...eup.net, Sungjoon.Kim@....com,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org,
        Jinpeng Cui <cui.jinpeng2@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH linux-next] drm/amd/display: remove redundant vertical_line_start variable

From: Jinpeng Cui <cui.jinpeng2@....com.cn>

Return value from expression directly instead of
taking this in another redundant variable.

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Jinpeng Cui <cui.jinpeng2@....com.cn>
---
 drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 37246e965457..8f4f1ea447a7 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -3741,7 +3741,6 @@ int dcn10_get_vupdate_offset_from_vsync(struct pipe_ctx *pipe_ctx)
 	int vesa_sync_start;
 	int asic_blank_end;
 	int interlace_factor;
-	int vertical_line_start;
 
 	patched_crtc_timing = *dc_crtc_timing;
 	apply_front_porch_workaround(&patched_crtc_timing);
@@ -3757,10 +3756,8 @@ int dcn10_get_vupdate_offset_from_vsync(struct pipe_ctx *pipe_ctx)
 			patched_crtc_timing.v_border_top)
 			* interlace_factor;
 
-	vertical_line_start = asic_blank_end -
+	return asic_blank_end -
 			pipe_ctx->pipe_dlg_param.vstartup_start + 1;
-
-	return vertical_line_start;
 }
 
 void dcn10_calc_vupdate_position(
-- 
2.25.1