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authorAlex Deucher <[email protected]>2022-04-07 15:46:06 -0400
committerAlex Deucher <[email protected]>2022-04-11 13:50:35 -0400
commit1754cea1763e2bdc6a2153220440fe9aa9e0f2c9 (patch)
tree486652b109b6b27f2ae3f521713dd284a0108f59
parent6f90a49bc0c9a2d8590dea3323c9b0c61ee78add (diff)
drm/amd/display: fix 64 bit divide in freesync code
Use div_u64() rather than a a 64 bit divide. Fixes: 3fe5739db48843 ("drm/amd/display: Add flip interval workaround") Reviewed-by: Nathan Chancellor <[email protected]> Reported-by: kernel test robot <[email protected]> Signed-off-by: Alex Deucher <[email protected]> Cc: Angus Wang <[email protected]> Cc: Anthony Koo <[email protected]> Cc: Aric Cyr <[email protected]> Cc: Nathan Chancellor <[email protected]>
-rw-r--r--drivers/gpu/drm/amd/display/modules/freesync/freesync.c2
1 files changed, 1 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 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;