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drm/amd/display: Fix nanosec stat overflow

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BugLink: https://bugs.launchpad.net/bugs/2065899

[ Upstream commit 14d68acfd04b39f34eea7bea65dda652e6db5bf6 ]

[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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Manuel Diewald <manuel.diewald@canonical.com>
Signed-off-by: Roxana Nicolescu <roxana.nicolescu@canonical.com>
This commit is contained in:
Aric Cyr
2019-08-29 11:53:52 -04:00
committed by Stefan Bader
parent 8a9f2883ab
commit 0b83a1ce72
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/gpu/drm/amd/display/modules/inc/mod_stats.h
+2 -2
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@@ -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,