linux-kernel - [PATCH 20/40] drm/amd/display/dc/dce110/dce110_timing_generator: Remove unused variable 'value_crtc

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Message-Id: <20210111191926.3688443-21-lee.jones@linaro.org>
Date:   Mon, 11 Jan 2021 19:19:06 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     lee.jones@...aro.org
Cc:     linux-kernel@...r.kernel.org,
        Harry Wentland <harry.wentland@....com>,
        Leo Li <sunpeng.li@....com>,
        Alex Deucher <alexander.deucher@....com>,
        Christian König <christian.koenig@....com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, Aric Cyr <Aric.Cyr@....com>,
        Anthony Koo <Anthony.Koo@....com>,
        Tony Cheng <Tony.Cheng@....com>, amd-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org
Subject: [PATCH 20/40] drm/amd/display/dc/dce110/dce110_timing_generator: Remove unused variable 'value_crtc_vtotal'

Fixes the following W=1 kernel build warning(s):

 drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c: In function ‘dce110_timing_generator_tear_down_global_swap_lock’:
 drivers/gpu/drm/amd/amdgpu/../display/dc/dce110/dce110_timing_generator.c:1354:12: warning: variable ‘value_crtc_vtotal’ set but not used [-Wunused-but-set-variable]

Cc: Harry Wentland <harry.wentland@....com>
Cc: Leo Li <sunpeng.li@....com>
Cc: Alex Deucher <alexander.deucher@....com>
Cc: "Christian König" <christian.koenig@....com>
Cc: David Airlie <airlied@...ux.ie>
Cc: Daniel Vetter <daniel@...ll.ch>
Cc: Aric Cyr <Aric.Cyr@....com>
Cc: Anthony Koo <Anthony.Koo@....com>
Cc: Tony Cheng <Tony.Cheng@....com>
Cc: amd-gfx@...ts.freedesktop.org
Cc: dri-devel@...ts.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 .../gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c  | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c
index 1ea7db8eeb988..9a6c411bb7fe6 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_timing_generator.c
@@ -1351,10 +1351,7 @@ void dce110_timing_generator_tear_down_global_swap_lock(
 
 	/* Restore DCP_GSL_PURPOSE_SURFACE_FLIP */
 	{
-		uint32_t value_crtc_vtotal;
-
-		value_crtc_vtotal = dm_read_reg(tg->ctx,
-				CRTC_REG(mmCRTC_V_TOTAL));
+		dm_read_reg(tg->ctx, CRTC_REG(mmCRTC_V_TOTAL));
 
 		set_reg_field_value(value,
 				0,
-- 
2.25.1