linux-kernel - [PATCH 28/40] drm/amd/display/dc/dce/dce_transform: Remove 3 unused/legacy variables

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Date:   Fri,  8 Jan 2021 20:14:45 +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>,
        Mauro Rossi <issor.oruam@...il.com>,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org
Subject: [PATCH 28/40] drm/amd/display/dc/dce/dce_transform: Remove 3 unused/legacy variables

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

 drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_transform.c: In function ‘dce60_transform_set_scaler’:
 drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_transform.c:496:7: warning: variable ‘filter_updated’ set but not used [-Wunused-but-set-variable]
 drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_transform.c: In function ‘dce60_transform_set_pixel_storage_depth’:
 drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_transform.c:1040:19: warning: variable ‘expan_mode’ set but not used [-Wunused-but-set-variable]
 drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_transform.c:1040:6: warning: variable ‘pixel_depth’ 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: Mauro Rossi <issor.oruam@...il.com>
Cc: amd-gfx@...ts.freedesktop.org
Cc: dri-devel@...ts.freedesktop.org
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 drivers/gpu/drm/amd/display/dc/dce/dce_transform.c | 13 -------------
 1 file changed, 13 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c b/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c
index 130a0a0c83329..6121bb7b009b8 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_transform.c
@@ -493,7 +493,6 @@ static void dce60_transform_set_scaler(
 {
 	struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
 	bool is_scaling_required;
-	bool filter_updated = false;
 	const uint16_t *coeffs_v, *coeffs_h;
 
 	/*Use whole line buffer memory always*/
@@ -558,7 +557,6 @@ static void dce60_transform_set_scaler(
 
 			xfm_dce->filter_v = coeffs_v;
 			xfm_dce->filter_h = coeffs_h;
-			filter_updated = true;
 		}
 	}
 
@@ -1037,34 +1035,23 @@ static void dce60_transform_set_pixel_storage_depth(
 	const struct bit_depth_reduction_params *bit_depth_params)
 {
 	struct dce_transform *xfm_dce = TO_DCE_TRANSFORM(xfm);
-	int pixel_depth, expan_mode;
 	enum dc_color_depth color_depth;
 
 	switch (depth) {
 	case LB_PIXEL_DEPTH_18BPP:
 		color_depth = COLOR_DEPTH_666;
-		pixel_depth = 2;
-		expan_mode  = 1;
 		break;
 	case LB_PIXEL_DEPTH_24BPP:
 		color_depth = COLOR_DEPTH_888;
-		pixel_depth = 1;
-		expan_mode  = 1;
 		break;
 	case LB_PIXEL_DEPTH_30BPP:
 		color_depth = COLOR_DEPTH_101010;
-		pixel_depth = 0;
-		expan_mode  = 1;
 		break;
 	case LB_PIXEL_DEPTH_36BPP:
 		color_depth = COLOR_DEPTH_121212;
-		pixel_depth = 3;
-		expan_mode  = 0;
 		break;
 	default:
 		color_depth = COLOR_DEPTH_101010;
-		pixel_depth = 0;
-		expan_mode  = 1;
 		BREAK_TO_DEBUGGER();
 		break;
 	}
-- 
2.25.1