Show underrun conditions
configname: CONFIG_DRM_HDLCD_SHOW_UNDERRUN
Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>ARM devices
└─>Show underrun conditions
In linux kernel since version 3.10 (release Date: 2013-06-30)
Enable this option to show in red colour the pixels that the
HDLCD device did not fetch from framebuffer due to underrun
conditions.
HDLCD device did not fetch from framebuffer due to underrun
conditions.