[PATCH] drm/amd/display: fix 64 bit divide in freesync code

[Alex Deucher]

Use div_u64() rather than a a 64 bit divide.

Fixes: 3fe5739db48843 ("drm/amd/display: Add flip interval workaround")
Reported-by: kernel test robot <l...@intel.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Cc: Angus Wang <angus.w...@amd.com>
Cc: Anthony Koo <anthony....@amd.com>
Cc: Aric Cyr <aric....@amd.com>
Cc: Nathan Chancellor <nat...@kernel.org>
---
 drivers/gpu/drm/amd/display/modules/freesync/freesync.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c 
b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
index 0130f1879116..d2d76ce56f89 100644
--- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
+++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c
@@ -1239,7 +1239,7 @@ void mod_freesync_handle_v_update(struct mod_freesync 
*mod_freesync,
        if (in_out_vrr->supported == false)
                return;
 
-       cur_timestamp_in_us = dm_get_timestamp(core_freesync->dc->ctx)/10;
+       cur_timestamp_in_us = div_u64(dm_get_timestamp(core_freesync->dc->ctx), 
10);
 
        in_out_vrr->flip_interval.vsyncs_between_flip++;
        in_out_vrr->flip_interval.v_update_timestamp_in_us = 
cur_timestamp_in_us;
-- 
2.35.1