From 799dce6fbd5fda21d461b56b8c6ca85214e20076 Mon Sep 17 00:00:00 2001
From: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Date: Thu, 16 Dec 2021 15:50:17 +0800
Subject: [PATCH] drm/amd/display: Fix warning comparing pointer to 0

Fix the following coccicheck warning:

./drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c:744:35-36:
WARNING comparing pointer to 0.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
 drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c
index 8f78e62b28b76..48005def11645 100644
--- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn301/vg_clk_mgr.c
@@ -741,7 +741,7 @@ void vg_clk_mgr_construct(
 				sizeof(struct watermarks),
 				&clk_mgr->smu_wm_set.mc_address.quad_part);
 
-	if (clk_mgr->smu_wm_set.wm_set == 0) {
+	if (!clk_mgr->smu_wm_set.wm_set) {
 		clk_mgr->smu_wm_set.wm_set = &dummy_wms;
 		clk_mgr->smu_wm_set.mc_address.quad_part = 0;
 	}
-- 
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