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| author | Aric Cyr <aric.cyr@amd.com> | 2019-08-29 11:53:52 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-04-13 12:50:15 +0200 |
| commit | 34f0cabed648481fa21d50a551524115f9326257 (patch) | |
| tree | a675df6ed174138382cc862f0f16378ada9eee63 | |
| parent | 347b2e635e8b2beaa076b0bc110be9c6ea50aec1 (diff) | |
| download | linux-stable-34f0cabed648481fa21d50a551524115f9326257.tar.gz linux-stable-34f0cabed648481fa21d50a551524115f9326257.tar.bz2 linux-stable-34f0cabed648481fa21d50a551524115f9326257.zip | |
drm/amd/display: Fix nanosec stat overflow
[ 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>
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/inc/mod_stats.h | 4 |
1 files 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 3812094b52e8..88b312c3eb43 100644 --- a/drivers/gpu/drm/amd/display/modules/inc/mod_stats.h +++ b/drivers/gpu/drm/amd/display/modules/inc/mod_stats.h @@ -51,10 +51,10 @@ 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, |