1 files changed, 9 insertions, 3 deletions

diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c
index 47c55974756d..d23c4bfde790 100644
--- a/drivers/gpu/drm/tegra/hdmi.c
+++ b/drivers/gpu/drm/tegra/hdmi.c
@@ -1260,9 +1260,15 @@ static void tegra_hdmi_encoder_enable(struct drm_encoder *encoder)
 
         hdmi->dvi = !tegra_output_is_hdmi(output);
         if (!hdmi->dvi) {
-                err = tegra_hdmi_setup_audio(hdmi);
-                if (err < 0)
-                        hdmi->dvi = true;
+                /*
+                 * Make sure that the audio format has been configured before
+                 * enabling audio, otherwise we may try to divide by zero.
+                */
+                if (hdmi->format.sample_rate > 0) {
+                        err = tegra_hdmi_setup_audio(hdmi);
+                        if (err < 0)
+                                hdmi->dvi = true;
+                }
         }
 
         if (hdmi->config->has_hda)