Ramesh Gupta Guntha <[email protected]> writes: > Hi Kevin, > > > On 2/4/09, Kevin Hilman <[email protected]> wrote: >> Ramesh Gupta Guntha <[email protected]> writes: >> >> > Kevin, >> > >> > >> > On 2/4/09, Kevin Hilman <[email protected]> wrote: >> >> Ramesh Gupta Guntha <[email protected]> writes: >> >> >> >> > Hi, >> >> > >> >> > I am able to resolve all other issues with this pm branch except one >> >> > issue, >> >> > >> >> > I am not able to enable the iva2 clock once system is suspended and >> >> > resumed, I am getting below messages. >> >> >> >> >> >> <3>clock: dpll2_ck failed transition to 'locked' >> >> >> clock: dpll2_ck failed transition to 'locked' >> >> >> <3>clock: dpll2_ck failed transition to 'locked' >> >> >> clock: dpll2_ck failed transition to 'locked' >> >> > >> >> > Once after booting ( without adding bridgedriver/ installing >> >> > bridgedriver) >> >> > CM_CLKEN_PLL_IVA2 value shows as 0x37 indicates IVA2 DPLL in locked >> >> > mode. >> >> > >> >> > once after system suspend the value is not restored I am seeing that as >> >> > 0x11 indicates IVA2 DPLL is low power stop mode. >> >> > >> >> > Can any one please provide your inputs on the above error? I tried >> >> > reconfiguring the CM_CLKEN_PLL_IVA2 to lock mode but still I am seeing >> >> > the same messages as above while enabling iva2 clock. >> >> >> >> Are you suspending into retention or off-mode? >> > >> > I am suspending into Off mode. >> > >> >> Do you see this problem when only going into retention? >> >> If not, sounds like we're missing some registers being saved/restored >> across off-mode. > > I am seeing this issue only with OFF mode , retention works fine for me, > yeah, looks like some registers are not restored properly across off mode. > please let me know your inputs on this. >
I have just updated the PM branch with a fix from Jouni to save/restore CM_CLKSEL1_PLL_IVA2. Can you try the latest PM branch? Thanks, Kevin -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
