linux-kernel - [PATCH 24/40] drm/amd/display/dc/dce/dce_stream

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Date:   Fri,  8 Jan 2021 20:14:41 +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>,
        George Shen <george.shen@....com>,
        Eric Bernstein <eric.bernstein@....com>,
        amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org
Subject: [PATCH 24/40] drm/amd/display/dc/dce/dce_stream_encoder: Remove unused variable 'regval'

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

 drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_stream_encoder.c: In function ‘dce110_update_generic_info_packet’:
 drivers/gpu/drm/amd/amdgpu/../display/dc/dce/dce_stream_encoder.c:70:11: warning: variable ‘regval’ 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: George Shen <george.shen@....com>
Cc: Eric Bernstein <eric.bernstein@....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_stream_encoder.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
index ada57f745fd76..265eaef30a519 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_stream_encoder.c
@@ -67,7 +67,6 @@ static void dce110_update_generic_info_packet(
 	uint32_t packet_index,
 	const struct dc_info_packet *info_packet)
 {
-	uint32_t regval;
 	/* TODOFPGA Figure out a proper number for max_retries polling for lock
 	 * use 50 for now.
 	 */
@@ -99,7 +98,7 @@ static void dce110_update_generic_info_packet(
 	}
 	/* choose which generic packet to use */
 	{
-		regval = REG_READ(AFMT_VBI_PACKET_CONTROL);
+		REG_READ(AFMT_VBI_PACKET_CONTROL);
 		REG_UPDATE(AFMT_VBI_PACKET_CONTROL,
 				AFMT_GENERIC_INDEX, packet_index);
 	}
-- 
2.25.1