From: Sean Paul <seanp...@chromium.org>

Change rem_nsec to u32 since that's what do_div returns, this avoids the
u64 divide in the drm_print args.

Changes in v2:
- Instead of doing do_div in drm_print, make rem_nsec u32 (Ville)

Link to v1: 
https://patchwork.freedesktop.org/patch/msgid/20191106173622.15573-1-s...@poorly.run

Fixes: 12a280c72868 ("drm/dp_mst: Add topology ref history tracking for 
debugging")
Cc: Juston Li <juston...@intel.com>
Cc: Imre Deak <imre.d...@intel.com>
Cc: Ville Syrjälä <ville.syrj...@linux.intel.com>
Cc: Harry Wentland <hwent...@amd.com>
Cc: Daniel Vetter <daniel.vet...@ffwll.ch>
Cc: Sean Paul <s...@poorly.run>
Cc: Lyude Paul <ly...@redhat.com>
Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com>
Cc: Maxime Ripard <mrip...@kernel.org>
Cc: David Airlie <airl...@linux.ie>
Cc: Daniel Vetter <dan...@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Sean Paul <seanp...@chromium.org>
---
 drivers/gpu/drm/drm_dp_mst_topology.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c 
b/drivers/gpu/drm/drm_dp_mst_topology.c
index 11adc4b6ccfe..ae5809a1f19a 100644
--- a/drivers/gpu/drm/drm_dp_mst_topology.c
+++ b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -1507,12 +1507,12 @@ __dump_topology_ref_history(struct 
drm_dp_mst_topology_ref_history *history,
                ulong *entries;
                uint nr_entries;
                u64 ts_nsec = entry->ts_nsec;
-               u64 rem_nsec = do_div(ts_nsec, 1000000000);
+               u32 rem_nsec = do_div(ts_nsec, 1000000000);
 
                nr_entries = stack_depot_fetch(entry->backtrace, &entries);
                stack_trace_snprint(buf, PAGE_SIZE, entries, nr_entries, 4);
 
-               drm_printf(&p, "  %d %ss (last at %5llu.%06llu):\n%s",
+               drm_printf(&p, "  %d %ss (last at %5llu.%06u):\n%s",
                           entry->count,
                           topology_ref_type_to_str(entry->type),
                           ts_nsec, rem_nsec / 1000, buf);
-- 
Sean Paul, Software Engineer, Google / Chromium OS

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