You are most likely to encounter this driver in two specific situations: Industrial Programming : You are trying to upload a project to a or similar industrial panel. Legacy Embedded Development : You are working with a development board like the FriendlyARM Mini2440 How to Install the Driver Successfully
A naive driver would write all registers on every frame buffer update. On the S3C2410X, this is inefficient because: -vis On S3c2410x Delta Driver -
The -vis subsystem exposes the Delta Driver via standard fb_ops . The critical hook is fb_set_par() (set parameters). You are most likely to encounter this driver