Re: OMAP DSS2 coming out of OFF mode without restoring context

Menon, Nishanth
2010-07-30T11:06:35Z

----- Original message -----
> Hi,
>
> On Thu, 2010-07-29 at 23:29 +0200, ext Laine Walker-Avina wrote:
> > Hi,
> >
> > I'm having a problem where the DSS driver isn't restoring the
> > framebuffer parameters after going in and out of blanking with OFF
> > mode enabled. The problem appears to be in dss_get_ctx_id() in that
> > pdata->get_last_off_on_transaction_id is 0. Commenting out the call to
> > dss_need_ctx_restore() in dss_clk_enable() appears to do the right
> > thing. I'm using the current master branch of linux-omap.
>
> You need to fill the func pointer in the board file:
>
> static struct omap_dss_board_info xxx_dss_data = {
>                .get_last_off_on_transaction_id =
> omap_pm_get_dev_context_loss_count,
>
none of l-o board files seem to do this. I guess
with off capable master, we need this to be
defaulted under CONFIG_PM within dss/core itself?
I mean the defaults prevent display function
at off, so why ask all boards to fill it up?

Regards,
Nishanth Menon