From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB

---
 kernel/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/kernel/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c b/kernel/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c
index 8556825..fd08177 100644
--- a/kernel/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c
+++ b/kernel/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_mpc.c
@@ -206,8 +206,9 @@
 		/* check insert_above_mpcc exist in tree->opp_list */
 		struct mpcc *temp_mpcc = tree->opp_list;
 
-		while (temp_mpcc && temp_mpcc->mpcc_bot != insert_above_mpcc)
-			temp_mpcc = temp_mpcc->mpcc_bot;
+		if (temp_mpcc != insert_above_mpcc)
+			while (temp_mpcc && temp_mpcc->mpcc_bot != insert_above_mpcc)
+				temp_mpcc = temp_mpcc->mpcc_bot;
 		if (temp_mpcc == NULL)
 			return NULL;
 	}

--
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