Re: OMAP4 DSS clock setup

Tomi Valkeinen
2011-04-08T16:35:36Z

On Fri, 2011-04-08 at 17:36 +0200, Cousson, Benoit wrote:
> Hi Tomi,
>
> On 4/8/2011 7:51 AM, Valkeinen, Tomi wrote:

> > - If the modules are handled separately, how should the dependencies be
> > handled? For example, dss_core's reset will reset all the other modules
> > also, and most of the submodules need functions from dss_core and
> > dss_dispc. So should, say, dss_dsi then call functions in core and dispc
> > to "get" them, i.e. increase their pm runtime use count?
>
> Are you sure about that?
> The dss_core does not have any reset in the sysonfig (only a status), but the dispc does have one and the dsi as well.

Ah, I might be speaking only of OMAP2/3. I remember somebody saying that
the DSS reset bit on OMAP4 is marked as reserved. But for OMAP3 (and I
think for OMAP2 also) the DSS_SYSCONFIG reset bit will reset also the
rest of the DSS.

Tomi