linux-kernel - [PATCH 2/3] drm/amd/display: Remove the unused variable value0

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Date:   Tue, 17 Jan 2023 13:59:21 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     alexander.deucher@....com
Cc:     christian.koenig@....com, Xinhui.Pan@....com, airlied@...il.com,
        daniel@...ll.ch, amd-gfx@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH 2/3] drm/amd/display: Remove the unused variable value0

Variable value0 is not effectively used, so delete it.

drivers/gpu/drm/amd/amdgpu/../display/dc/dcn10/dcn10_link_encoder.c:1222:11: warning: variable ‘value0’ set but not used.

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=3783
Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 .../gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c
index c4287147b853..4c067f8a19b4 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_link_encoder.c
@@ -1219,7 +1219,6 @@ void dcn10_link_encoder_update_mst_stream_allocation_table(
 	const struct link_mst_stream_allocation_table *table)
 {
 	struct dcn10_link_encoder *enc10 = TO_DCN10_LINK_ENC(enc);
-	uint32_t value0 = 0;
 	uint32_t value1 = 0;
 	uint32_t value2 = 0;
 	uint32_t slots = 0;
@@ -1321,13 +1320,9 @@ void dcn10_link_encoder_update_mst_stream_allocation_table(
 	do {
 		udelay(10);
 
-		value0 = REG_READ(DP_MSE_SAT_UPDATE);
-
-		REG_GET(DP_MSE_SAT_UPDATE,
-				DP_MSE_SAT_UPDATE, &value1);
-
-		REG_GET(DP_MSE_SAT_UPDATE,
-				DP_MSE_16_MTP_KEEPOUT, &value2);
+		REG_READ(DP_MSE_SAT_UPDATE);
+		REG_GET(DP_MSE_SAT_UPDATE, DP_MSE_SAT_UPDATE, &value1);
+		REG_GET(DP_MSE_SAT_UPDATE, DP_MSE_16_MTP_KEEPOUT, &value2);
 
 		/* bit field DP_MSE_SAT_UPDATE is set to 1 already */
 		if (!value1 && !value2)
-- 
2.20.1.7.g153144c