[PATCH 0/3] ARM: OMAP2/3: DSS HWMOD fixes
paul at pwsan.com
Wed Jul 4 08:11:38 EDT 2012
On Wed, 27 Jun 2012, Paul Walmsley wrote:
> On Thu, 10 May 2012, Tomi Valkeinen wrote:
> > These patches fix DSS hwmod data related to sysc flags. I haven't seen any
> > problem produced by these missing bits, but by looking at the TRM it's clear
> > that they should be defined.
> > However, applying these will cause additional warnings to show during boot:
> > omap_hwmod: dss_dispc: softreset failed (waited 10000 usec)
> > omap_hwmod: dss_rfbi: softreset failed (waited 10000 usec)
> > Most likely the softreset fails even now, but as there's no check to verify it,
> > no warnings are visible.
> > I think the reason for the failing softreset is the same problem as we have on
> > OMAP4: dss_core hwmod should be enabled before other dss hwmods can be enabled
> > (and reset).
> Thanks, queued for 3.6.
> Not sure what to do about the softreset issues at the moment, due to
> competing priorities. But for sure the data should match the hardware.
I've dropped these for 3.6 since they cause a PM regression during a
system suspend test:
[ 39.721282] Powerdomain (dss_pwrdm) didn't enter target state 1
Probably before we can pull these in, we need to figure out what's going
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