When updating and debug-printing devfreq stats, in the very unlikely offchance that total device time is less than 100 ns, clamp it to 0 to avoid division by 0.
Signed-off-by: Adrián Larumbe <[email protected]> --- drivers/gpu/drm/panfrost/panfrost_devfreq.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.c b/drivers/gpu/drm/panfrost/panfrost_devfreq.c index b51c30778811..e34de47bf43b 100644 --- a/drivers/gpu/drm/panfrost/panfrost_devfreq.c +++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.c @@ -78,7 +78,8 @@ static int panfrost_devfreq_get_dev_status(struct device *dev, dev_dbg(pfdev->base.dev, "busy %lu total %lu %lu %% freq %lu MHz\n", status->busy_time, status->total_time, - status->busy_time / (status->total_time / 100), + status->total_time >= 100 ? + status->busy_time / (status->total_time / 100) : 0, status->current_frequency / 1000 / 1000); return 0; -- 2.53.0
