#linux-rockchip on 2014-03-11 — irc logs at freenode.irclog.whitequark.org

2013-07-25 14:06 leowt changed the topic of #linux-rockchip to: Rockchip development discussion | http://linux-rockchip.info | http://irclog.whitequark.org/linux-rockchip

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10:12 <jbaiter> what are the recommended cflags for compiling on rk3188?

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13:50 <ssvb> tonikasch: what is the status of the mali drivers?

13:50 <ssvb> how do they fail exactly?

13:52 <tonikasch> well... now I've managed to insert (and patch as per rk30_linux_kernel) r3p2-01rel1 arm os drivers into kernel and build them

13:53 <tonikasch> the problem is that now sunxi-mali userspace and x11 utility tells that detected VERSION=""

13:53 <ssvb> do you get /dev/mali and /dev/ump?

13:54 <tonikasch> not mali, I'll see ump

13:54 <tonikasch> I do get /dev/ump

13:54 <tonikasch> so... mali.ko might be failing?

13:54 <tonikasch> too many things to get into account, I missed that :s

13:55 <tonikasch> I'll build mali.ko with debug on

13:56 <ssvb> the mali kernel drivers from arm need some adaptation to enable clocks and provide basic configuration about the resources (like the addresses of hardware registers and irq)

13:57 <ssvb> for example, something like this needs to be used on allwinner (sunxi) hardware - https://github.com/ssvb/linux-sunxi/commit/02e460a6faf21f42972869c3b59907d02fe6507d

13:58 <tonikasch> so it is not enought to copy arch-pb-rk30-m400-4?

13:58 <tonikasch> ok, I go there and see

14:00 <ssvb> it might be enough, if mali hardware is exactly the same in rk3066 and rk3188

14:00 <ssvb> or some tweaks may be needed if something has changed

14:01 <ssvb> but enabling extra debug logging is always a good idea

14:01 <tonikasch> aha... that's the question... I think hardware might have changed but... how could I know? through hexediting android system dump with mali.ko and ump.ko loaded?

14:03 <tonikasch> I say that because I read somewhere that somebody did this in order to get correct UMP address or something similar

14:05 <ssvb> are there no sources of the android kernel with mali support?

14:07 <tonikasch> I fear there are not, perhaps in radxa, whose sources I'm currently fetching but they are huge

14:08 <tonikasch> they come precompiled even in radxa kernel tree

14:10 <ssvb> this does not sound good, isn't it a GPL violation?

14:10 <tonikasch> yes, it is, hehe, almost everything Rockchip related has GPL violations

14:11 <tonikasch> in the first kernel trees we found there were .uu files for important things

14:11 <ssvb> but yes, disassembling these mali modules or maybe even just looking at logs my provide some useful information

14:12 <tonikasch> I'll ask colleagues as I lack of disassembling skills

14:15 <tonikasch> thanks for the commit regarding adptation of mali drivers to sunxi, by the way

14:26 <tonikasch> ssvb why that -DMALI_FAKE_PLATFORM_DEVICE=1 in drivers/gpu/mali_r3p2-01rel2/mali/Kbuild

14:28 <ssvb> iirc this makes a difference between what part of the initialization is done in the board file and what part in the mali driver itself

14:29 <tonikasch> ahh, I see, ok, so as I currently attach to that rk3066 file I'll leave that untouched

14:30 <ssvb> you can probably check the rk3066 board file to see if it has any mali related bits in it

14:31 <tonikasch> aha

14:31 <tonikasch> ok

14:38 <tonikasch> ssvb https://github.com/Galland/rk3x_kernel_3.0.36/blob/master/drivers/gpu/mali/mali/arch-pb-rk30-m400-4/config.h <-- this is the config.h I'm using

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14:39 <tonikasch> with that kernel's mali drivers inserted into minix-neo-x7 (released on december 2013) I got succeed messaged when inserting mali.ko

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14:41 <ssvb> what version is it reporting now?

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14:42 <tonikasch> none ("") O.o

14:42 <ssvb> if you run https://github.com/linux-sunxi/sunxi-mali/blob/master/version/version.c

14:42 <ssvb> hmm, what messages did you get when inserting mali.ko

14:42 <tonikasch> ah, well, I was using sunxi-mali repository's version.c

14:42 <ssvb> did you get /dev/mali

14:42 <tonikasch> any, that's strange

14:42 <tonikasch> one sec, I'm still building

14:43 <tonikasch> :)

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14:52 <tonikasch> mmmm

14:52 <tonikasch> CONFIG_MALI400=m

14:52 <tonikasch> CONFIG_MALI400_DEBUG=y

14:52 <tonikasch> but nothing is output from modprobing ump.ko nor mali.ko

14:52 <tonikasch> strange

14:53 <tonikasch> well, have to go now, thanks ssvb, I'll try in the afternoon

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15:41 <tonikasch> ssvb I have had to include additional things into drivers/gpu/mali/mali/Kbuild from rk3x kernel mali/mali/Kbuild

15:41 <tonikasch> I'll try now

15:42 <ssvb> tonikasch: btw, have you seen this - https://groups.google.com/forum/#!msg/radxa/qVeEcUgWaHI/bR8HS7IiaQIJ

15:43 <ssvb> tonikasch: https://github.com/apxii/linux-work/blob/rr-3.0-dev/drivers/gpu/mali/mali/platform/rk3188-rr/rk3188.c

15:45 <tonikasch> wooow! rk3188.c!! :D didn't see that

15:46 <tonikasch> so... I'll check if that tree's mali directories are from the revision sunxi-mali supports

15:48 <tonikasch> oh, yes, r3p2-1_rel1

15:48 <tonikasch> :D

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21:47 <jumannie> can anyone here tell me abou tthe Mars iPPLi I8 ?

21:48 <jumannie> it has a rk3188t chip

21:48 <jumannie> im trying see if i can upgrade the Androis OS or even put linux on it

22:12 <jumannie> nothing?

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22:57 <tonikasch> well, ssvb, I'm going nuts... that kernel seems uncompilable...

22:57 <tonikasch> In file included from arch/arm/mach-rk3188/board-rk3188-box.c:727:0:

22:57 <tonikasch> arch/arm/mach-rk3188/../plat-rk/rk-sdmmc-wifi.c:500:12: error: ‘RK30SDK_WIFI_GPIO_WIFI_INT_B’ undeclared here (not in a function)

22:57 <tonikasch> arch/arm/mach-rk3188/../plat-rk/rk-sdmmc-wifi.c: At top level:

22:58 <tonikasch> but in file previously built (through that very same make) it was declared

22:59 <tonikasch> indeed, I have compared arch/arm/{mach-rk30, mach-rk3188, plat-rk} against minix-x7-neo and Makefiles, Kconfig and files seem overall the same.

23:00 <tonikasch> I have checked with meld and file by file, in particular #includes

23:00 <tonikasch> no way yet

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23:49 <tonikasch> weel, cu

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