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drm/amd/display: prevent assert on error of 1 in calc_freesync_range

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Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dmytro Laktyushkin 2017-05-05 15:07:55 -04:00 committed by Alex Deucher
parent 3273d3bfe5
commit ac5c294719
1 changed files with 4 additions and 2 deletions
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6
drivers/gpu/drm/amd/display/modules/freesync/freesync.c
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@ -422,12 +422,14 @@ static void calc_freesync_range(struct core_freesync *core_freesync,
/* In case of 4k free sync monitor, vmin or vmax cannot be less than vtotal */
if (state->freesync_range.vmin < vtotal) {
ASSERT(false);
/* Error of 1 is permissible */
ASSERT((state->freesync_range.vmin + 1) >= vtotal);
state->freesync_range.vmin = vtotal;
}
if (state->freesync_range.vmax < vtotal) {
ASSERT(false);
/* Error of 1 is permissible */
ASSERT((state->freesync_range.vmax + 1) >= vtotal);
state->freesync_range.vmax = vtotal;
}