From 08b662793b90fc3a7e1d84d0fe0a5c04112731fd Mon Sep 17 00:00:00 2001
From: Martin Leung <martin.leung@amd.com>
Date: Tue, 3 Sep 2019 15:22:30 -0400
Subject: drm/amd/display: fix use of uninitialized variable
Git-commit: 08b662793b90fc3a7e1d84d0fe0a5c04112731fd
Patch-mainline: v5.5-rc1
References: bsc#1152489

tg_inst may be used uninitialized, so initialize it to 0.

Signed-off-by: Martin Leung <martin.leung@amd.com>
Reviewed-by: Jaehyun Chung <Jaehyun.Chung@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/amd/display/dc/core/dc.c          | 2 +-
 drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index d5249814bea2..098752059064 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -974,7 +974,7 @@ bool dc_validate_seamless_boot_timing(const struct dc *dc,
 {
 	struct timing_generator *tg;
 	struct dc_link *link = sink->link;
-	unsigned int enc_inst, tg_inst, i;
+	unsigned int i, enc_inst, tg_inst = 0;
 
 	// Seamless port only support single DP and EDP so far
 	if (sink->sink_signal != SIGNAL_TYPE_DISPLAY_PORT &&
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index 215e93aa63a7..25da0c45d828 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1848,7 +1848,7 @@ static int acquire_resource_from_hw_enabled_state(
 		struct dc_stream_state *stream)
 {
 	struct dc_link *link = stream->link;
-	unsigned int inst, tg_inst, i;
+	unsigned int i, inst, tg_inst = 0;
 
 	/* Check for enabled DIG to identify enabled display */
 	if (!link->link_enc->funcs->is_dig_enabled(link->link_enc))
-- 
2.28.0