From 14d68acfd04b39f34eea7bea65dda652e6db5bf6 Mon Sep 17 00:00:00 2001
From: Aric Cyr <aric.cyr@amd.com>
Date: Thu, 29 Aug 2019 11:53:52 -0400
Subject: [PATCH] drm/amd/display: Fix nanosec stat overflow
Git-commit: 14d68acfd04b39f34eea7bea65dda652e6db5bf6
Patch-mainline: v6.9-rc1
References: stable-fixes
[Why]
Nanosec stats can overflow on long running systems potentially causing
statistic logging issues.
[How]
Use 64bit types for nanosec stats to ensure no overflow.
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Aric Cyr <aric.cyr@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/gpu/drm/amd/display/modules/inc/mod_stats.h | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_stats.h b/drivers/gpu/drm/amd/display/modules/inc/mod_stats.h
index 5960dd760e91..8ce6c22e5d04 100644
--- a/drivers/gpu/drm/amd/display/modules/inc/mod_stats.h
+++ b/drivers/gpu/drm/amd/display/modules/inc/mod_stats.h
@@ -57,10 +57,10 @@ void mod_stats_update_event(struct mod_stats *mod_stats,
unsigned int length);
void mod_stats_update_flip(struct mod_stats *mod_stats,
- unsigned long timestamp_in_ns);
+ unsigned long long timestamp_in_ns);
void mod_stats_update_vupdate(struct mod_stats *mod_stats,
- unsigned long timestamp_in_ns);
+ unsigned long long timestamp_in_ns);
void mod_stats_update_freesync(struct mod_stats *mod_stats,
unsigned int v_total_min,
--
2.43.0