* Benoit Parrot <bparrot@xxxxxx> [171013 11:01]: > Tony Lindgren <tony@xxxxxxxxxxx> wrote on Fri [2017-Oct-13 10:01:13 -0700]: > > * Benoit Parrot <bparrot@xxxxxx> [171012 12:29]: > > > HWSUP on this domain is only working when VIP1 probes. > > > If only VIP2 on DRA74x or CAL on DRA72x probes the domain does > > > not get enabled. This might indicates an issue in the HW Auto > > > state-machine for this domain. > > > > > > Work around is to set the CAM domain to use SWSUP only. > > > > Hmm this you might get fixed automatically by configuring the > > parent interconnect target module to use "ti,sysc-omap4" and > > adding VIP1 and VIP2 as children to it. > > > > The reason why I suspect it will fix the issue is because > > with the parent being "ti,sysc-omap4" with "ti,hwmods" being > > in that parent node too, you automatically get PM runtime > > refcounting keep the parent active for either child. > > > > Maybe give it a try against today's Linux next and see for > > example how it was done for musb: > > > > https://patchwork.kernel.org/patch/9978783/ > > > > Just use "ti,sysc-omap2" for type1 and "ti,sysc-omap4" > > for type2. > > Hmm interesting, I'll give that a try and if it fixes it. OK great. Note that you need to manually apply "[PATCH] ARM: head-common.S: Clear lr before jumping to start_kernel()" on today's next and make sure CONFIG_DRM and CONFIG_DRM_KMS_HELPER are built-in and not modules if using them. Regards, Tony
