From: Charlene Liu <[email protected]> [why] insert divided by zero protection
Reviewed-by: Alvin Lee <[email protected]> Signed-off-by: Charlene Liu <[email protected]> Signed-off-by: Zaeem Mohamed <[email protected]> --- drivers/gpu/drm/amd/display/modules/freesync/freesync.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c index fc4268729017..f980a84dceef 100644 --- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c +++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c @@ -129,6 +129,9 @@ unsigned int mod_freesync_calc_v_total_from_refresh( unsigned int v_total; unsigned int frame_duration_in_ns; + if (refresh_in_uhz == 0) + return stream->timing.v_total; + frame_duration_in_ns = ((unsigned int)(div64_u64((1000000000ULL * 1000000), refresh_in_uhz))); -- 2.34.1
