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path: root/drivers/gpu/drm/amd/display/modules
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Diffstat (limited to 'drivers/gpu/drm/amd/display/modules')
-rw-r--r--drivers/gpu/drm/amd/display/modules/freesync/freesync.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
index 1ee732768f6e..b00b1df71f3e 100644
--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
@@ -262,7 +262,11 @@ bool mod_freesync_add_stream(struct mod_freesync *mod_freesync,
enable_for_video = false;
}
- if (caps->supported)
+ unsigned int nom_refresh_rate_micro_hz = (unsigned int)
+ (((unsigned long long) core_stream->public.timing.pix_clk_khz) * 1000ULL * 1000ULL * 1000ULL
+ / core_stream->public.timing.h_total / core_stream->public.timing.v_total);
+
+ if (caps->supported && nom_refresh_rate_micro_hz >= caps->min_refresh_in_micro_hz && nom_refresh_rate_micro_hz <= caps->max_refresh_in_micro_hz)
core_stream->public.ignore_msa_timing_param = 1;
core_freesync->num_entities++;