On Fri, 23 May 2025 08:46:16 +0200,
Patrick Wildt <patrick@blueri.se> wrote:
> 
> 
> Please give this a go on machines where `dmesg | grep ^smmu' gives
> output, and especially on QC machines with X1E, or SC8280XP/ThinkPad
> x13s.  Please send me some dmesgs, as I have added some debug code
> that I'd like to see run on other machines. :)
>

Honor Magicbook on Snapdragon X Elite (X1E machine) has without diff:

smmu0 at simplebus0: disabled
smmu1 at simplebus0: disabled

with this diff it boots and reads as:

smmu0 at simplebus0: 22 CBs (0 S2-only), bypass quirk
smmu1 at simplebus0: 74 CBs (0 S2-only), bypass quirk
smmu1: SMR[0] = 0x1a0/0x0
smmu1: SMR[1] = 0x520/0x0
smmu1: SMR[2] = 0x160/0x0
smmu1: SMR[3] = 0x1420/0x0
smmu1: SMR[4] = 0x1460/0x0
smmu1: SMR[5] = 0x14a0/0x0
smmu1: SMR[6] = 0x1400/0x0
smmu1: SMR[7] = 0x14e0/0x0
smmu1: SMR[8] = 0x1c00/0x2
smmu1: SMR[9] = 0x480/0x0


-- 
wbr, Kirill