mnemoc changed the topic of #arm-netbook to: EOMA: Embedded Open Modular Architecture - Don't ask to ask. Just ask! - http://elinux.org/Embedded_Open_Modular_Architecture/EOMA-68 - ML arm-netbook@lists.phcomp.co.uk - Logs http://ibot.rikers.org/%23arm-netbook or http://irclog.whitequark.org/arm-netbook/ - http://rhombus-tech.net/
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<ssvb> rz2k: I have the original odroid-x, that's quite a nice piece of hardware
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<rz2k> ssvb: seems like I want to test your driver soon on odroid-x2
<rz2k> everything initializes ok, but xorg freezes to death after EXA init
<ManoftheSea> hey hey, that's cool: 1080p @ ~25Hz
<ManoftheSea> I gotta get a bigger font.
<ManoftheSea> also, need to quiet the kernel.
<ManoftheSea> the... usb wifi is weird on this board.
<ManoftheSea> After rebooting, it was still good and connected for a few seconds...
<ManoftheSea> I didn't realize it had come up WORKING, then disconnected.
<ssvb> rz2k: does it use ump or drm/kms for allocating memory?
<rz2k> ump using OS memory
<rz2k> one of the libump functions, if I remember correctly
<ManoftheSea> still working on audio...
<rz2k> good night.
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<hg_5> HA_{{Y ME YEAR
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<ManoftheSea> happy new year to you too, hg
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<Turl_> happy new year everybody!
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<provel_> hi, if someone else is experiencing speed issues running retroarch like me... use android version, it's between 2x-4x speed : https://github.com/Themaister/RetroArch/pull/84#issuecomment-11122522
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<ssvb> provel_: android is for the weaklings :)
<ssvb> also I don't see any comparison between linux and android there, looks like they only used android
<ssvb> which questions this 2x-4x speed claim
<provel_> no, I'm usinf linux
<provel_> actually... .and it's really less than half
<provel_> those performance there
<ssvb> yes, looks like you screwed up something
<provel_> nay, it's just than mali drivers are missing things
<provel_> OpenVG in a case
<provel_> perfect xorg aceleration in another
<ssvb> so "OpenGL ES width != pitch texture speed improvement" is all about OpenVG?
<provel_> nope, I refer to the fps with allwinner a10
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<provel_> which are more than double than mine with.... allwinner a10
<ph0en1x> hey all
<provel_> just an advice if someone else is trying to get that running
<provel_> nothing more
<ph0en1x> any clue why i'm seeing cp: cannot stat `build/boot.scr': No such file or directory when running make from the sunxi-bsp git repo?
<ph0en1x> (last output from running make)
<ssvb> provel_: that's just your speculation, and not a proven fact
<provel_> ph0en1x: you need mkimage and create boot.scr, I think
<provel_> ssvb: I'm asking since 3 days here if someone else tried same thing
<ph0en1x> yeah but i didnt see any errors
<provel_> ssvb: until someone else don't try.... speculation is most we have
<ph0en1x> provel_ : i have mkimage - not sure how to make boot.scr
<ssvb> provel_: I asked you about the step by step instructions, so that I could profile this use case
<ph0en1x> oooo i see
<provel_> ssvb: ok, giving you but take time
<ph0en1x> mkimage -A arm -O u-boot -T script -C none -n "boot" -d boot.cmd $(BUILD_PATH)/boot.scr
<ph0en1x> yeah
<ph0en1x> i see
<provel_> ssvb: sorry, git clone https://github.com/Themaister/RetroArch.git
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<provel_> compile both with extremely riced CFLAGS, like mine
<provel_> -O3 -march=native -mcpu=cortex-a8 -mtune=cortex-a8 -mfloat-abi=hard -mfpu=neon -ftree-vectorize -ffast-math -fomit-frame-pointer -fstrict-aliasing -Werror=strict-aliasing -mvectorize-with-neon-quad -fmodulo-sched -fmodulo-sched-allow-regmoves -funsafe-math-optimizations -fomit-frame-pointer -funroll-loops -funsafe-loop-optimizations
<provel_> configure retroarch to use gles
<provel_> but no fbcon gles as it need openvg
<provel_> so it's fbcon sdl
<provel_> or x gl
<provel_> I also entered the code for raspberry pi trying to adapt
<provel_> and use openVG from mesa
<provel_> but no way
<provel_> removed shaders
<provel_> and removed render to texture in config
<ssvb> provel_: how do you compile snes9x-next?
<provel_> using gl I can use the resolution I want, using sdl anything more tan 320x240 is dead slow
<provel_> same cflags inserted in makefile
<provel_> but one less, wait
<provel_> I just define those flags in env var MCFLAGS
<provel_> then before targets in makefile do :
<provel_> CFLAGS += $(MCFLAGS) -fno-strict-aliasing
<provel_> after compiling libretro.so is the only useful file.....
<provel_> as a note.... I started with sane flags and riced only after seeing performances
<ssvb> I don't think CFLAGS can make a really big difference, it must be something else
<provel_> if I use gl with X
<provel_> upscaling is not performance bound
<provel_> but X takes lots of CPU
<provel_> like 50%
<provel_> x drivers are from linux-sunxi, compiled
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<provel_> 3.0 kernel, not stage, x11 drivers no version
<provel_> instructions taken from http://linux-sunxi.org/Mali400
<provel_> I tried also: to force neon macros
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<provel_> to enable rPi backend modified (have patch...)
<provel_> but no OpenVG, no joy
<provel_> to force all compile flags
<ssvb> provel_: I just want to compile this RetroArch without any weird tweaks and profile the run of your use case
<provel_> hum...... is oprofile able to profile X11? perf asks for 3.0.52 version which I can't find
<ssvb> is it required to run some kind of emulated game?
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<provel_> yep
<ssvb> how can I do this?
<provel_> snes9x requires snes
<provel_> hum....
<provel_> plenty of choiche
<provel_> just a question..... wich kernel and drivers do people use, here? 3.0?
<provel_> im non nonstage 3.0 ... but I swear if I'm the only one
<provel_> perf_3.0.52 not found
<provel_> You may need to install linux-tools-3.0.52
<ssvb> so the compilation is finished, what can be done with libretro.so now?
<provel_> now you need to pass libretro when you start retroarch
<provel_> retroarch is a wrapper for emulator cores
<provel_> retroarch-zip -L absolutepathoflibretro -C configfile romname.zip
<provel_> configfile I'll put one easy in pastebin, a sec
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<ssvb> what about configfile and romname.zip?
<provel_> this one is configfile : http://pastebin.com/EK8bNt50
<provel_> romname is the rom you start
<provel_> as snes is very old, almost all is the same
<provel_> just not donkey kong country which is badly slow
<provel_> where I can get perf sources to compile by myself? here no version corresponding to my kernel
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<provel_> oh... if you launch out of X change "gl" to "sdl"
<provel_> or it won't work... here
<provel_> ok perf seems in kernel sources
<provel_> can't crosscompile withouth full env
<ssvb> provel_: can any of these free for non-commercial use ROMs be used for testing - http://mamedev.org/roms/ ?
<provel_> I suppose so, that emulator is quite stable
<provel_> no it's mame
<provel_> need snes
<ssvb> does RetroArch support only snes?
<provel_> no
<provel_> but mame still wp
<provel_> it's for snes homemade
<provel_> get columns or mode7 demo
<provel_> others are very minimal
<provel_> meanwhile I installed packs of libs to compile perf...
<provel_> nay... ok I'm gitcloning linux-sunxi directly on the board
<mtndew420> any recommendations for a good arm netbook?
<ssvb> provel_: seems to be running and using software opengl, sdl should be better if I find how to enable it
<ssvb> provel_: this is with sdl - https://gist.github.com/4426358
<provel_> yes.... sdl has not a backend for gles/gl when running in fb
<provel_> that's why I'm running with X
<provel_> changing to gl the config
<provel_> and launching with xinit before name
<provel_> that way scaler seems not the bottleneck as varous resolutions seems all the same
<provel_> hum... I'm trying to compile perf myself... but getting error: "__attribute_const__" redefined [-Werror]
<provel_> ok found the fix
<ssvb> provel_: what do you mean changing to gl? if it is using opengl from mesa, that's a major performance problem because opengl is not accelerated
<provel_> ssvb: are you using X? then in the cfg file you can return the original config qithout sdl
<provel_> video_driver = "gl"
<ssvb> provel_: yes, this was the first run, total disaster
<provel_> in X ?
<provel_> with x11 drivers it works, here
<provel_> want my fast - mali rebuild drivers script ?
<provel_> http://pastebin.com/sRhV2SSY .... used this way: sudo rebmali x11
<ssvb> provel_: no, still in retroarch - https://gist.github.com/4426402
<provel_> or sudo rebmali framebuffer
<provel_> libGL.so
<provel_> isn't openGL?
<provel_> meanwhile I compiled perf
<ssvb> good :)
<ssvb> but if you mean glesv2 acceleration, it is currently slow because of extra memory copies
<ssvb> so it will be slower than optimized scaling in software
<ssvb> is perf working for you now?
<ssvb> provel_: in any case, you need to either hook a lower quality fast software scaling into this emulator, wait for a better integration of mali drivers or use sunxi disp layer for hardware scaling
<provel_> 87.82% Xorg libpixman-1.so.0.24.4
<provel_> is sw scaling , right?
<ssvb> maybe, can you install debugging symbols?
<provel_> 87.82% Xorg libpixman-1.so.0.24.4 [.] 0x56154
<provel_> a sec, I try
<ssvb> what kind of distro is that?
<provel_> linaro
<provel_> installing
<ssvb> "apt-get install libpixman-1-0-dbg" and run perf again
<provel_> omg.... 88.01% Xorg libpixman-1.so.0.24.4 [.] pixman_composite_src_8888_8888_asm_neon
<provel_> it's overlaying????!
<ssvb> that's just a simple memory copy without scaling
<ssvb> wait, are you using gles with mali drivers?
<provel_> yes
<provel_> think so
<provel_> x11 drivers suitable with my kernel
<provel_> built from instructions http://linux-sunxi.org/Mali400
<ssvb> Dec 31 15:36:37 <ssvb> provel_: "in my setup xorg eats lots of CPU time (even more than 50% some times, with opengl)" - yes, because the cpu is busy copying data from the buffers where mali does all the rendering to the framebuffer
<ssvb> Dec 31 15:37:28 <ssvb> provel_: and these buffers are of course uncached, which means several times worse performance than you would expect for memcpy with normal cached memory
<ssvb> so you have just confirmed it yourself, congratulations :)
<provel_> ok.... so I have no way to workaround this
<provel_> fb is without gl
<provel_> X11 is without hope
<ssvb> Jan 01 12:39:27 <ssvb>provel_: in any case, you need to either hook a lower quality fast software scaling into this emulator, wait for a better integration of mali drivers or use sunxi disp layer for hardware scaling
<provel_> sigh
<provel_> r3p1 has not any better integration, right?
<provel_> is there some public documents about programming disp ?
<ssvb> with a bit of luck, I may get a faster driver working today
<provel_> oooohhh
<provel_> I let you work
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<techn_> woot.. there is gles for fb
<techn_> you need to use different libs
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<mnemoc> techn_: hi. should I keep adding fix after fix of your edid thing or wait for a v2?
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<torpor> hi
<provel_> techn_: gles don't upscale and recolorize... does it??
<provel_> techn_: btw, I use a script to switch drivers... x11/fb, built as per wiki
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<jquip> Hallo!! Happy new year! :)
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<toxicpsion> i2c bus 0: addr 0x34 on mele is AXP right?
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<cart__> hello
<cart__> Can the pengpod 700 or 1000 works with the Nuforce udac2 ?
<cart__> on LXDE
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<cart__> ??
<rm> cart__, does this udac2 work in GNU/Linux on a desktop computer?
<cart__> on the pengpod 700 : http://pengpod.com/products/pengpod700
<ccssnet> looks like a decent tablet
<rm> looks like a random tablet you can buy today for $50, but that's beside the point
<rm> what I asked is:
<rm> if you have the udac2 device, did you try it in the GNU/Linux operating system?
<rm> not on a tablet, but on any computer, e.g. desktop or a netbook or a notebook etc
<cart__> I have the udac2
<rm> and did it work or not?
<cart__> And it works on LUBUNTU
<rm> ok, I see
<rm> then likely it will work on the Pengpod
<rm> at most you might need a kernel recompiled with its support
<cart__> I hope :)
<cart__> I just want a cheap tablet to connect my dac and to listen soundcloud/youtube/... musics
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<rz2k> cart__: do we look like pengpod tech. support? anyway, your tablet is rebranded LY-F1 http://linux-sunxi.org/LY-F1
<rz2k> you can launch both our 3.0 and 3.4 kernels, I had the ly-f1 some time ago
<rz2k> worked pretty well
<cart__> but it's only android, no ?
<cart__> OS : Android 2.3 or Android 4.0.3
<cart__> LY-F1 is only android I think. No LXKDE
<cart__> LXDE*
<cart__> android don't support usb audio dac
<rz2k> you can load whatever you want on ly-f1
<rz2k> using our u-boot and kernel
<cart__> If I don't have tutorial I can't do this :s
<rz2k> I believe pengpod had decent tutorials
<rz2k> atleast I expect them to do it
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<cart__> send me your tutorial when you finish it ;)
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<cart__> rz2k .
<rz2k> I'm not from pengpod
<rz2k> ask their support for it
<rz2k> you need to recompile kernel and install new one with udac2 support.
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<cart__> ok
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<rz2k> mnemoc: libv: our r2p4 libraries work with OS memory option
<rz2k> atleast on odroid-x2
<rz2k> they have no idea about 4 pp's though
<rz2k> only 1gp/1pp is used
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