<Tenkawa> anyone got a sec for an odd q
<Tenkawa> my 3.19 kernel boots up on on my chromebook 1 hoever it just displays a white screen
<Tenkawa> am i missing a video= or something setting in the cmdline or something in the kerbel or dts?
<Tenkawa> the box responds to keyboard input fine (can login reboot, etc )
<Tenkawa> i seem to remember this is easy to fix however I just cant remember the fix
<Wizzup> did you disable simeplfb
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<Tenkawa> oh disable it?
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<Tenkawa> oops I enabled
<Tenkawa> let me try that
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<Tenkawa> compilig
<Tenkawa> er compiling
<Tenkawa> Wizzup: wont surprise me a bit if I oopsed something so easy..
<Tenkawa> ok here goes.. brb
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<Tenkawa> still booteed to solid white.. doublechecking settings
<Tenkawa> just the exynos ones show enabled in the kernel
<Tenkawa> I've got to be missing something simple
<Tenkawa> trying something else now... I also wonder if my dts is missing something
<Wizzup> I need to go to sleep now
<Wizzup> meetings early in the morning
<Tenkawa> good luck.. thanks for the help
<Tenkawa> I should be able to get this working again hehehe
<Wizzup> thanks, will manage, the only thing I will fear is the daunting 28C in the first of march ...
<Wizzup> (in valencia now, and I'm not used to warm weather in the winter)
<Tenkawa> ouchie
<Tenkawa> its very very cold here
<Tenkawa> reboot time again.. brb
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<Tenkawa> ah haa
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<Tenkawa> well this has to have something to do with framebuffer/simple framebuffer however cant quite tell what
<Tenkawa> looks like if I get the right dts it should be ok
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<ssk> can any one help me how to configure ,install and run android on xen domU.
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<ssk> javier__: But images from linaro source 3.14.7 is working along with display here it log:http://pastebin.com/SktdFPDi.But i downloaded same kernel version form linaro and mainline there is no hdmi display.
<ssk> what make diff?
<ssk> for exynos 5420?
<javier__> ssk: which Linaro tree exactly? can you point me to the git repo?
<javier__> ssk: also I'm not able to access your pastebin
<ssk> javier__: here i downloaded images from linaro : http://releases.linaro.org/14.08/ubuntu/lsk-arndale-octa-mali
<ssk> javier__:here it where i downloaded source: https://git.linaro.org/kernel/linux-linaro-stable.git/
<javier__> ssk: are you also passing drm_kms_helper.edid_firmware=edid-1920x1080.fw when booting mainline?
<ssk> javier__: yes i am passing it
<javier__> so I don't understand how it is working for you
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<javier__> I believe the booted kernel is not the one from that repo...
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<Tenkawa> javier__: greetings... got a minute?
<javier__> Tenkawa: yes
<Tenkawa> javier__: I'm booting up a 3.19 kernel on that snow chromebook and the screen goes white... wasnt there a fairly straightforward fix for that? (everything is still working because I can type, login, and reboot it from kb)
<Tenkawa> I think I'm either not setting the video mode or not setting it right or I missed a patch
<javier__> Tenkawa: are you using a nv-uboot with simple fb?
<Tenkawa> javier__: no nv-uboot same as before
<Tenkawa> signing,
<Tenkawa> at least I think I ended up not having to use nv-uboot.. I'd have to go look back at the logs..
<Tenkawa> I'd prefer not to use it if possible
<Tenkawa> it definitely signs and boot.. that I do know
<Tenkawa> syslog, last, etc all reflect it
<Tenkawa> it acts more like a dts initialization of the framebuffer problem
<Tenkawa> granted I'm not even sure if I'm really using the most updated/correct dts
<javier__> Tenkawa: if you don't want to use simplefb then use 4.0-rc1 since 3.19 doesn't have the needed drm bridge patches
<Tenkawa> ahhh
<Tenkawa> from kernel.org or linux-exynos.org?
<Tenkawa> I'm perfectly happy doing that
* javier__ is not familiar with any kernel tree in linux-exynos.org
<Tenkawa> oh ok
<Tenkawa> so from kernel.org
<Tenkawa> ok let me pull it
<Tenkawa> this should be nice and quick :)
<Tenkawa> k its building.. bbl
<Tenkawa> thanks again
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<Tenkawa> no luck on 4.0-rc1
<Tenkawa> I did see that I have definitely gotten this to work on 3.19.0 though
<Tenkawa> apparently I was using 3.19-next
<Tenkawa> I'll go try pulling that again
<javier__> Tenkawa: did you disable IOMMU support?
<javier__> exynos drm driver is broken if is enabled
<Tenkawa> oh.. let me check
<Tenkawa> entirely possible I did not
<Tenkawa> yep its enabled
<Tenkawa> disable it?
<javier__> yes
<Tenkawa> ok.. let me try that 3.19 again since it was at least booting
<Tenkawa> do I need to disable any of the other DRM stuff explicit;y?
<Tenkawa> er explicitly
<Tenkawa> recompiling again
<Tenkawa> this shouldnt take long
<Tenkawa> ccache is my friend
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<Tenkawa> afk.. reboot agai
<Tenkawa> n
<Tenkawa> it severely did not like that..
<Tenkawa> oh well.. got to put to the side for a little while... afk for a while.. thanks though for the help.
<Tenkawa> bbl
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<Tenkawa> wish I could figure out what I did wrong this time trying to upgrade this kernel :(
<Tenkawa> I found the config I think I ued
<Tenkawa> er used
<Tenkawa> hmm... with kernel 4.0 I get a black screen
<Tenkawa> does not appear to boot though
<javier__> Tenkawa: after disabling iommu?
<Tenkawa> yep
<Tenkawa> I think its something simple I'm missing
<Tenkawa> i had the white screen problem before however my memory just is not playing nice on how I fixed it
<Tenkawa> its always one little thing
<Tenkawa> got a few more tricks to try
<Tenkawa> at least I got my other project working and done already today yay!!
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<afaerber> Tenkawa, a week ago exynos thermal was broken, too - try disabling it
<Tenkawa> found something...
<Tenkawa> just a sec
<Tenkawa> cat: /tmp/drm.lohg: No such file or directory
<Tenkawa> oops
<Tenkawa> cat: /tmp/drm.log: No such file or directory
<Tenkawa> oopps wrong machine
<Tenkawa> whats a good pastebin site?
<Tenkawa> I'll just use that
<Tenkawa> I think kernel msg i see is the pro
<Tenkawa> b
<Tenkawa> not sure how to fix though
<Tenkawa> definitely looks dts related though
<Tenkawa> complains about fimd
<daniels> Tenkawa: pastebin is a fairly good pastebin - or fpaste.org
<Tenkawa> pastebin.com?
<daniels> Tenkawa: yep
<Tenkawa> ok
<Tenkawa> thanks
<Tenkawa> well drats.. I'm console only right now... going to be interesting to upload that
<Tenkawa> Mar 2 12:08:44 testbox kernel: [ 0.158084] /dp-controller@145B0000: could not find display-timings node
<Tenkawa> Mar 2 12:08:44 testbox kernel: [ 0.158091] /dp-controller@145B0000: no timings specified
<Tenkawa> Mar 2 12:08:44 testbox kernel: [ 0.158100] [drm:exynos_dp_bind] *ERROR* failed: of_get_videomode() : -22
<Tenkawa> Mar 2 12:08:44 testbox kernel: [ 0.158112] exynos-drm exynos-drm: failed to bind 145b0000.dp-controller (ops exynos_dp_ops): -22
<Tenkawa> Mar 2 12:08:44 testbox kernel: [ 0.158331] exynos-drm exynos-drm: master bind failed: -22
<Tenkawa> Mar 2 12:08:44 testbox kernel: [ 0.158345] exynos-drm: probe of exynos-drm failed with error -22
<Tenkawa> Mar 2 12:08:44 testbox kernel: [ 0.158611] platform panel: Driver panel-simple requests probe deferral
<Tenkawa> apologies for the spam however no practical way to post right now
<Tenkawa> that indicates I think the proble
<Tenkawa> m
<daniels> Tenkawa: have you compiled in support for the bridge chips?
<Tenkawa> got a var name I can search on?
<daniels> Tenkawa: i think it's ps8622
<Tenkawa> let me check
<Tenkawa> dont see that anywhere in kernel (if I search for PS8
<daniels> ptn3460 for snow, ps8625 for peach-pit
<daniels> CONFIG_DRM_PTN3460 and CONFIG_DRM_PS8622 respectively
<Tenkawa> ahh
<Tenkawa> just a sec
<daniels> cf. the lvds-bridge entries in arch/arm/boot/dts/exynos{5250-snow,5420-peach-pit}.dts
<Tenkawa> yes its conmpiled on
<Tenkawa> er in
<Tenkawa> this is so odd
<Tenkawa> hmmmm
<daniels> hrm, panel-simple should be providing timings for your panel ...
<Tenkawa> i thought so too
<Tenkawa> i'm trying one more adjustment
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<Tenkawa> no go.. got to go run for a while however if anyone has any ideas post them hereand I'll try when I get back.. thanks again for the help
<daniels> hard to say without complete dmesg/config
<Tenkawa> I will be when I get back.
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<Tenkawa> back
<Tenkawa> Anyone have any revelations by chance hheeehee
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