1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
From e00ae6bee032671f36bcb5c2661fb6912181b9b5 Mon Sep 17 00:00:00 2001
From: Martin Leung <martin.leung@amd.com>
Date: Tue, 3 Sep 2019 15:22:30 -0400
Subject: [PATCH 3847/4256] drm/amd/display: fix use of uninitialized variable
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>
---
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 e5fd65f634ac..8a1947e6741a 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -983,7 +983,7 @@ 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 af85d6cf4427..23313c8808b3 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -1845,7 +1845,7 @@ 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))
--
2.17.1
|
