Either by chance, or by misread, the current evaluation interval may be
zero. If that is the case, don't divide by it!
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/i915_debugfs.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c
b/drivers/gpu/drm/i915/i915_debugfs.c
index 124213a36b4f..c0bc922fe497 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2367,10 +2367,10 @@ static int i915_rps_boost_info(struct seq_file *m, void
*data)
seq_printf(m, "\nRPS Autotuning (current \"%s\" window):\n",
rps_power_to_str(dev_priv->rps.power));
seq_printf(m, " Avg. up: %d%% [above threshold? %d%%]\n",
- 100 * rpup / rpupei,
+ rpup && rpupei ? 100 * rpup / rpupei : 0,
dev_priv->rps.up_threshold);
seq_printf(m, " Avg. down: %d%% [below threshold? %d%%]\n",
- 100 * rpdown / rpdownei,
+ rpdown && rpdownei ? 100 * rpdown / rpdownei : 0,
dev_priv->rps.down_threshold);
} else {
seq_puts(m, "\nRPS Autotuning inactive\n");
--
2.11.0
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