ChanServ changed the topic of #aarch64-laptops to: Linux support for AArch64 Laptops (Chrome OS Trogdor Devices - Asus NovaGo TP370QL - HP Envy x2 - Lenovo Mixx 630 - Lenovo Yoga C630 - Lenovo ThinkPad X13s - and various other snapdragon laptops) - https://oftc.irclog.whitequark.org/aarch64-laptops
<steev> my gnome install says ~14 hours
<steev> i am at 100% battery (just unplugged and such) and the first update it says 13 hours 57 minutes
<abby> mine usually says ~14-15 hrs
<steev> admittedly, i am on johan and my patchset, i could go back to 6.10 and see
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<HdkR> So the snapdragon dev kit shipped with a PCIe slot pinout on the board for exposing the 8x PCIe lanes, but it isn't wired up. How soon until we get an actual platform with Snapdragon+PCIe? :D
<JensGlathe[m]> Did it ship?
<HdkR> Well, shipped at least one unit to Jeff Geerling. It may not be "shipping" still
<HdkR> I canceled my order once it hit the four month mark of being late to the market.
<JensGlathe[m]> They canceled mine.
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<HdkR> eef
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<erebion[m]> <zdykstra> "What's your power draw at idle?" <- Not sure, how would I know?
<erebion[m]> Looking at mate-power-statistics, it says 11 W.
<erebion[m]> 9.3 W now
<erebion[m]> Seems to idle at 9.3 W
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<erebion[m]> Setting the scheduler to ondemand instead of schedutil gets me down to 1.6 W
<erebion[m]> Muich better, 14:45h is the current estimate
<erebion[m]> Not sure whether I can improve further.
<\[m]> <JensGlathe[m]> "They canceled mine...." <- at least you odn't ahve to do it yourself
<\[m]> it's become a bit ridiculous, and so no pcie connection at all??
<JensGlathe[m]> I had 2 - for... reasons. The one was canceled with the out of stock excuse.
<\[m]> why would they not connect the pinout?
<JensGlathe[m]> Looks like it unless they go PC
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<SpieringsAE> PC?
<SpieringsAE> it seems unlikely to me that they made a seperate pcb where those are not connected but the footprint is still there
<JensGlathe[m]> nurmal PC board like mini ITX
<JensGlathe[m]> yes thats weird
<SpieringsAE> I want to see Jeff dump a large graphics card on that devkit pcie express slot :(
<HdkR> Worst case, solder the slot on to the board and then it's not even routed :D
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<macc24> <erebion[m]> "Setting the scheduler to..." <- that kinda sounds like a bug?
<erebion[m]> I don't know, not enough knowledge about that. Just glad I get a more sensible power consumption.
<travmurav[m]> I had an impression that schedutil is supposed to be smart and do "energy aware scheduling" to like minimize power usage where possible but that scheduling vs power stuff is apparently very complicated...
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<kalebris> how does this snapdragon X product line go ? pro is lesser than the elite?
<travmurav[m]> s/pro/plus and I guess x1p-42 is 8 core
<SpieringsAE> yeah I believe so, there is also a 6x which is the 10 core I believe
<travmurav[m]> yep
<kalebris> and I thought intel and amd sucked about naming their stuff :)
<travmurav[m]> tho that listing says "up to x1p-42"
<travmurav[m]> but yeah
<travmurav[m]> the naming for x series is annoying
<travmurav[m]> marketing name is useless and sku name is non-descriptive
<SpieringsAE> 84 whr battery in that lenovo, thats pretty damn big
<kalebris> cache invalidation and naming things i guess :)
<travmurav[m]> I guess not "non descriptive" but the meaning of digits is hard to know/remember
<kalebris> it has a big display too, which probably contributes to the bigger battery thing
<travmurav[m]> oh yeah 84wh + actually handling the platform properly would be very cool
<SpieringsAE> it seems close to the asus vivobook with the plus chip, wonder what they will price it at
<SpieringsAE> at least it has a proper amount of IO
* travmurav[m] thinks purwa laptops like that would be much more interesting than the top skus
<\[m]> btw no more progress seemingly on DP for asahi - seems the guy that was mainly working on it is burnt out or so
<SpieringsAE> eh in the end I care about code compilation, so the extra cores are nice, but for a regular consumer absolutely
<\[m]> from some posts I understood that some people looked at the code and were like uhu maaaybe if I try hard 😄
<\[m]> I m going to install again once and try out such external usb to hdmi adapter
<travmurav[m]> like for me personally, I don't /work/ on a laptop so getting top sku would be not only prohibitively expensive but also way overkill for what I'd want to do, and I think it kinda mirrors "normal people" too in which case if we hope for mass adoption, we'd probably want lots of people have lower end more affordable skus
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<\[m]> yeah the sales person of lenovo told me that the t14s sales were less than hoped so forget about higher SKUs, I guess now they want to leverage that extra compute to get big screen nice graphics?
<kalebris> I personally at this point care more about battery life than performance in a latop
<travmurav[m]> +1
<travmurav[m]> having a laptop that I can send to suspend and forget for a week is kinda very nice
<travmurav[m]> or have ~12 hrs of screen obviously
<travmurav[m]> it's funny how 7c takes so small amount of power that it gives 12hrs regardless if you let it idle with the screen on or load to 100% xD
<SpieringsAE> I've got my 14 inch chromebook for travel situations, that thing lasts for ages
<SpieringsAE> powerfull enough for some basic stuff too
<\[m]> they always have to cram in a useless fckng numpad don't they
<SpieringsAE> keyboard is funky though
<SpieringsAE> on 15 inch plus yeah
<SpieringsAE> I kinda like having a numpad
<SpieringsAE> but yeah definetely not necessary
<\[m]> travmurav[m]: you mean: I did this test because I need to put 100% else I only see myself in the mirror haha
<\[m]> I hate to be misaligned between my hands and my screen
<\[m]> I would love a bigger screen on my laptop but in practice you have to get macbook with inferior keyboards or 14 inch max ☚ī¸
<travmurav[m]> \: no I mean assuming the display is at ~60%, cpu usage doesn't really affect battery life on 7c
<travmurav[m]> since the display takes most of the power anyway xD
<\[m]> I was trying to be funny but ok
<SpieringsAE> on that chromebook if I start compiling the expected battery life goes from 20 hrs to like 1 hour lol
<SpieringsAE> that intel cpu starts cookin
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<JensGlathe[m]> I've seen prices ~820â‚Ŧ for the Thinkbook 16 gen7 with 16GB, ~940 with 32GB / 1TB
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<SpieringsAE> more reasonable than the t14s
<robclark> hmm, `[PATCH V4 5/5] arm64: dts: qcom: x1e80100: Enable LLCC/DDR/DDR_QOS dvfs`.. that seems useful
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<SpieringsAE> I saw it, but dont really understand what it does
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<robclark> SpieringsAE: LLCC is the last layer cache.. the other part is memory speed scaling. I guess getting that all enabled will make this faster, and possibly save power (depending on what the default settings are)
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<Jasper[m]> @jhovold because of tips from Konrad and someone else, I've found the location of the BT and WiFi
<Jasper[m]> mac
<Jasper[m]> Haven't checked on a UFS device (should be on one of the LUNs), but on SPINOR it's on the DPP partition
<Jasper[m]> No idea if you can read that in Linux, a dump made on Windows puts wifi mac at 0000:1000 an bt mac at 0000:1100. I'll have to see if I can piece together an offset that makes sense off something that can be fetched from Linux
<travmurav[m]> cool, shouldn't be hard to add to dtbloader then
<JensGlathe[m]> that's one of the EFI filesystems right?
<travmurav[m]> yes
<JensGlathe[m]> is this accessible from Linux?
<travmurav[m]> on ufs/emmc devices - yes, on spi - I think no since tz allows you to interact with spi flash, I'd assume it monopolizes and protects the qspi controller
<Jasper[m]> I'm pretty sure I dumped all the stuff from x13s from efishell when I was testing slbounce, but I can't find it
<travmurav[m]> I might have it too but funnily 7c has the partition too
<travmurav[m]> now I just need to find my laptop box and see if I can find the mac there xD
<travmurav[m]> yeah it's there
<travmurav[m]> so yeah on emmc partitioning it's there on the DPP
<travmurav[m]> seems like some KV storage blob, also seems to contain the windows key and some certs for uefi
<steev> oh that's spiffy
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<\[m]> which dvice jasper?
<Jasper[m]> \[m]: Jens's x13s :P
<Jasper[m]> I have no windows install on mine so had to ask him
<\[m]> regarding the higher or lower SKUs discussion - I rather pay couple 100 more in the start and keep my device 4-5 years tbh
<\[m]> would they put an x elite chip in the x1 maybe??
<\[m]> damn that would be HOT
<\[m]> can you get your own cpu bought seperately and you drop it in? or you need to fpga solder or whatever?
<JensGlathe[m]> so the general sentiment fro the sales people is underperforming sales?
<Jasper[m]> <Jasper[m]> "No idea if you can read that..." <- I checked on EFISHELL on my x13s, can dump it from blk6 with those offsets
<Jasper[m]> Very cool
<JensGlathe[m]> so... def doable for dtbloader
<\[m]> <JensGlathe[m]> "so the general sentiment fro the..." <- I just had 1 on the phone, that's what they said, as the reason for no higher lenovo SKUs and I pushed him hard
<\[m]> he was going to keep me up to date blabla
<\[m]> never got any response
<\[m]> that geerling vid is funny af tho
<HdkR> Also the typical problem that the returns of WoA devices are higher than average. When it can't run Fortnite people get angry :P
<JensGlathe[m]> oh yes it is, and dark. Wonder if they knew what would happen to send the one unit of the dev kit they had to him
<JensGlathe[m]> Those laptops are great, but expectations are different ^^
<JensGlathe[m]> Pretty happy with the X14, WoA or Linux
<HdkR> Obviously Microsoft just needs to run XTA/Prism inside of the kernel so x86 kernel drivers work
<JensGlathe[m]> I guess the class drivers they built are incompatible with x86 for ... reasons
<\[m]> ah eyah you cna't run any online game with vac?
<\[m]> luckily dota2 just accepts cheaters seemingly haha 😄
<\[m]> imagine desoldering the cpu in the dev kit and soldering it on your laptop mobo
<\[m]> high risk high reward
<travmurav[m]> would then need to replace the signed firmware too and who knows what board-specific hacks are there in the blobs
<HdkR> \[m]: VAC doesn't have an issue with emulation layers afaik, but I haven't tried playing any online sessions
<\[m]> jens you have 2 - time to get desoldering when they arrive 😄
<JensGlathe[m]> not brave enough for that. I am not sure that they will ship the Dev Kit.
<\[m]> what can go wrong??
<\[m]> HdkR there was something prohibiting, wasn't it kernel access or something
<HdkR> \[m]: VAC doesn't do anything kernel related
<HdkR> It's all userspace
<\[m]> so it's BGA soldering waw it's so cool - now I feel like i have to try
<\[m]> BGA reballing
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<exeat> Jasper[m]: could you provide the efishell incantation for reading that value?
<Jasper[m]> exeat: `dblk BLKXY -b` until you find one that starts with RWFS
<exeat> Thanks
<Jasper[m]> Found mine at 1000 and 1100 for the x13s, but it might be different for other devices
<HdkR> \[m]: https://wiki.fex-emu.com/index.php/Development:ARM64EC Can be played with today
<robclark> is xtajit64 the MS x86 emulation/translation? I guess that means you can compare directly btwn fex and MS's thing?
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<\[m]> I have no qualcom cpu atm
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<HdkR> robclark: Yea, XTA/Prism is Microsoft's emulator. You can replace it with FEX with some registry hacking on the Microsoft side and get direct comparisons
<HdkR> So FEX...technically supports Windows
<HdkR> You can ask Billy about it at XDC, I haven't done it myself
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<robclark> fun
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<\[m]> can you build on mac? i guess so
<HdkR> FEX? No, would need a Linux VM
<\[m]> I have steam link though 😄
<\[m]> my goodness this thing has ARM cpu 😄
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<freekurt[m]> Has anyone else had issues getting the keyboard backlight to turn on on their x13s? I replaced my keyboard thinking it may have been a hardware issue but it still doesn't work.
<steev> fn+space work here
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<robclark> one thing that is nice about the 7x over the x13s is that it has "auto" backlight mode (ie. where the kb bl comes on when you time but turns off after some time)
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<steev> we COULD do that, once we figure out the EC stuff
<steev> i'm curious if anything from macc24(?) work on the slim7x ec could be reused
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