On 09/02/2014 07:39 PM, Dr. H. Nikolaus Schaller wrote:
... On OMAP5 this "modprobe omapfb" still fails:
[ 48.442782] omapfb omapfb: no of_node; not parsing pinctrl DT [ 48.442850] OMAPFB: omapfb_probe [ 48.446029] omapfb omapfb: failed to find default display [ 48.451668] OMAPFB: free_resources [ 48.451676] OMAPFB: free all fbmem [ 48.455270] omapfb omapfb: failed to setup omapfb [ 48.460221] platform omapfb: Driver omapfb requests probe deferral
The only config I was able to make working on OMAP5 was enabling OMAP_DRM.
On OMAP3, there are 2 ways to get /dev/fb0 - omapfb and omapdrm's fb emulation (enabled along with DRM core I think). You're only supposed to use one at a time, and omapdrm's fb is very limited, as you are supposed to use DRM API instead of fbdev with DRM drivers. omapdrm's fb emulation is enough for Xorg to work though (through xf86-video-fbdev).
On OMAP5, only omapdrm is really available, from what I know.
Grazvydas