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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-04-21 23:20:08 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-04-21 23:20:08 +0200
commit3b8a1f45e1b3886593a7cbb0aca09d4d0a9e23df (patch)
treee9f4ada62ee0d88c7c389cbf66bf2f7ec897c680 /drivers/gpu/drm/tegra/hdmi.c
parenttty:serial_core: Spelling mistake (diff)
parentLinux 5.1-rc6 (diff)
downloadlinux-3b8a1f45e1b3886593a7cbb0aca09d4d0a9e23df.tar.xz
linux-3b8a1f45e1b3886593a7cbb0aca09d4d0a9e23df.zip
Merge 5.1-rc6 into tty-next
We want the serial/tty fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/tegra/hdmi.c')
-rw-r--r--drivers/gpu/drm/tegra/hdmi.c12
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)