From: Eric Cook <[email protected]> -check for min/max range in freesync calculation and handle it accordingly
Signed-off-by: Eric <[email protected]> Acked-by: Harry Wentland <[email protected]> Reviewed-by: Anthony Koo <[email protected]> --- drivers/gpu/drm/amd/display/modules/freesync/freesync.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c index d3d57008271b..009cb797bcfa 100644 --- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c +++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c @@ -363,6 +363,21 @@ static void calc_freesync_range(struct core_freesync *core_freesync, unsigned int index = map_index_from_stream(core_freesync, stream); uint32_t vtotal = stream->timing.v_total; + if ((min_refresh_in_uhz == 0) || (max_refresh_in_uhz == 0)) { + state->freesync_range.min_refresh = + state->nominal_refresh_rate_in_micro_hz; + state->freesync_range.max_refresh = + state->nominal_refresh_rate_in_micro_hz; + + state->freesync_range.max_frame_duration = 0; + state->freesync_range.min_frame_duration = 0; + + state->freesync_range.vmax = vtotal; + state->freesync_range.vmin = vtotal; + + return; + } + min_frame_duration_in_ns = ((unsigned int) (div64_u64( (1000000000ULL * 1000000), max_refresh_in_uhz))); -- 2.11.0 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
