video: tegra: DC: fix a division by zero exception

Fix the division by zero exception during system boot up from the
routine tegra_dc_calc_min_bandwidth() called by tegra_dc_probe().
This will set the default min bandwidth to 540MHz for T124 eDP
display port.

bug 1451011

Change-Id: I410bb1707b88216e2c3d5298c7f65649c5a5cc43
Signed-off-by: Sungwook Kim <sungwookk@nvidia.com>
Reviewed-on: http://git-master/r/364887
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Jon Mayo <jmayo@nvidia.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/video/tegra/dc/dc.c b/drivers/video/tegra/dc/dc.c
index f5ef60515..cdd393c16 100644
--- a/drivers/video/tegra/dc/dc.c
+++ b/drivers/video/tegra/dc/dc.c
@@ -1512,7 +1512,7 @@ EXPORT_SYMBOL(tegra_dc_get_out_width);
 
 unsigned tegra_dc_get_out_max_pixclock(const struct tegra_dc *dc)
 {
-        if (dc->out && dc->out->max_pixclock)
+        if (dc && dc->out)
                 return dc->out->max_pixclock;
         else
                 return 0;