Turl changed the topic of #linux-sunxi to: Allwinner/sunxi /development discussion - did you try looking at our wiki? https://linux-sunxi.org - Don't ask to ask. Just ask and wait! - https://github.com/linux-sunxi/ - Logs at http://irclog.whitequark.org/linux-sunxi
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<ElBarto> montjoie: hi
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<ElBarto> montjoie: someone want to do crypto for a64 on FreeBSD, is the user manual enough ?
<ElBarto> montjoie: or did you had to read BSP code ?
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<anarsoul> I played with DSI a bit on BSP kernel
<anarsoul> and it turns out that it's pretty tolerant to dot clock rate
<anarsoul> i.e. my LCD panel works with dclk from 55MHz to ~82.5MHz
<anarsoul> so I guess clocks isn't the reason why it doesn't work on mainline...
<anarsoul> all other clocks for DSI are fixed - 148.5MHz for DPHY, and bus clock I believe is 200MHz and shared between lots of modules
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<montjoie> ElBarto: he contact me via mail, I will answer
<montjoie> user manual is "enough"
<ElBarto> montjoie: thanks, and good to know that the manual is enough to start
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<montjoie> ElBarto: the old bsp was buggy, doing RSA in CBC mode in a kernel which doesnt have RSA API:)
<montjoie> so untested ...
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<ElBarto> montjoie: you could have ended the sentence at 'buggy' :)
<micken> anarsoul: In u-boot.. I can't autoboot , I always need to do something like printenv before running boot cmd
<micken> and boot cmd is just fatload and go
<micken> the only change I have made is to let "go" switch to aarch32
<micken> When release time is near I will do uImage instead , so it is only a temp fix
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<montjoie> ElBarto: buggy is less worse as untested
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<ElBarto> montjoie: true
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<lygstate> Does the H6 bsp support for OpenCL now?
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<jernej> lygstate: It's not really a question of BSP or mainline, more about mali userspace blobs
<jernej> currently, I don't know any which would have OpenCL support
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<timdorohin> lygstate: current r8p1 can't into OpenCL
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<micken> a lame asm question , I want to read from A64 RTC. The time registers are like 0-5 , seconds etc.. How do I easiest read them out... bic the rest rotate and read?
<micken> has to be better way
<lvrp16> how big of a CMA do you need for 4K?
<jernej> lvrp16: you need almost 32 MB for one buffer
<lvrp16> so 64MB is sufficient for double buffering?
<jernej> yes, but afaik display is not the only user of CMA
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<jernej> I always suggest CMA in 96 - 128 MB area
<lvrp16> thanks :)
<jernej> but surely you can tweak that to your needs
<KotCzarny> big cma is mostly only useful for playing high res
<KotCzarny> 1080p+
<willmore> If you're doing video, you do you need more room for the various reference frames or isn't that CMA memory?
<jernej> it is
<willmore> H.264 decode type video
<willmore> Okay, just trying to follow along with the recent interest in video decode.
<willmore> So you'd need the frame buffer and several I frame buffers, a double or tripple buffer, etc. Next thing you know you're at 256M or more.
<lvrp16> HDMI audio needs I2S right?
<KotCzarny> yup
* willmore is still surprised they did something so reasonable as to bridge common I2S for HDMI audio.
<KotCzarny> maybe it was the laziest and easiest
<KotCzarny> :>
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