OMAPDSS: omap5 SYNC_LOST error with DPI/LCD

Vikas Patil vikasmpatil at
Mon May 12 01:41:03 PDT 2014

Hi Tomi,

How could I confirm for OMAP5 DPI support apart form enabling
config builds components from Kernel\drivers\video\omap2\dss and
kernel\drivers\video\omap2\displays only.  Is there any support needs to be
available under kernel\arch\arm\mach-omap2?


On Fri, May 9, 2014 at 4:49 PM, Tomi Valkeinen <tomi.valkeinen at>wrote:

> On 08/05/14 13:07, Vikas Patil wrote:
> > Hi,
> >
> > I am working on to enable the second display output for customized OMAP5
> > based platform and linux 3.4.25. First display which is HDMI/tv is
> > working fine. Second display out is coming via DPI interface. To enable
> > DPI interface I enabled CONFIG_OMAP2_DSS_DPI and
> > CONFIG_PANEL_GENERIC_DPI and added that in omap_dss_device and
> > omap_dss_board_info and removed the HDMI device and disabled
> > CONFIG_OMAP5_DSS_HDMI. With his kernel seems to be booting correctly,
> > however when I try to run kmscube app and it seems to be running,
> > noticing following error and till now nothing on display.
> Does the kernel have support for OMAP5 DPI? I remember there were some
> bits that had to be added to make it work.
>  Tomi
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