Tuesday, 2015-09-29

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tpbTitle: Skreens lets every device stream at once with NO lag! by Skreens Kickstarter (at www.kickstarter.com)07:00
xfxftoo bad it's probably proprietry08:26
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mithroYeah - I backed one to pull apart and see if we can load our own firmware onto it09:06
mithro_florent_: ping?09:11
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mithro_florent_: ping?12:09
_florent_hi mithro12:36
mithro_florent_: got some time to chat?12:36
_florent_just a little12:36
mithro_florent_: did you end up taking a look at https://docs.google.com/document/d/1L8lz7u2uj6MrzSQv4b1Vk6Rmic26okyRklOju5IWLYA/edit#heading=h.6bl97udbymv4 ?12:36
tpbTitle: MiSoC HDMI refactoring - Google Docs (at docs.google.com)12:37
_florent_yes, we can indeed try to share things and have various phy12:38
_florent_this can eventulally be done when trying to add GTP support on spartan612:39
mithro_florent_: I think it'll become more important when we start getting things like CEC, the data islands, etc12:39
_florent_yes or when we will support at least 2 phys12:41
mithroI think there are ~4 "phys" we care about in the short term12:43
mithro in order of priority - (1) Spartan 6 SERDES, (2) Spartan 6 GTP, (3) Series 7 SERDES and (4) Series 7 GTP12:43
_florent_I also have migen code for ADV751112:46
mithro_florent_: released?12:46
_florent_I removed it from my github account but I can share it12:47
mithro_florent_: with something like ADV7511 there isn't much to share with the rest right - the chip does pretty much everything, we just need a DMA engine to get the data into memory and some type of library to poke the settings in and out of the chip?12:48
_florent_yes the only interesting things are YCbCr 4:2:2 conversion (which is required with the way the Xilinx boards use that chip) and I2C configuration12:49
_florent_but anyway that's better without such external chip12:50
mithro_florent_: Any idea how portable the current stuff between Series 7 and Series 6 SERDES is?12:52
mithroI assume we probably want to take advantage of some of the better features in the S7 stuff?12:53
mithro_florent_: did the idea that it would take ~2 weeks worth of your time to get the GTP working for HDMI sound reasonable?12:57
mithro_florent_: I know they can be super tricky to get working correctly12:57
_florent_for Spartan6, we only need to get the GTP configured correctly12:58
_florent_we can reuse Series 7 code that is used on top of GTP12:58
_florent_I think we can find HDMI example designs for spartan 6 that can help us13:02
_florent_so that should not take too long13:02
mithro_florent_: There is XAPP1077 that talks about using the GTP for HDMI RX - but that mainly concentrates on the physical problems13:05
mithro_florent_: do you have time to work on the GTP stuff?13:11
mithro_florent_: From my point of view, getting the GTP stuff working is higher priority then getting the Atlys quarter rate stuff working13:14
_florent_ack, I won't have too much time before end of next week I think13:17
mithro_florent_: for information on doing the HDMI via the DisplayPort adapter take a look at http://hackipedia.org/Hardware/video/connectors/DisplayPort/VESA%20DisplayPort%20Interoperability%20Guideline%20v1.1.pdf13:18
_florent_sorry I have a meeting, I'll be back later13:20
mithro_florent_: no worries, I'll probably be asleep when you get back13:22
mithro_florent_: need to be careful to not get an "active" adapter13:22
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CarlFKI am in the ZA!19:56
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mithroCarlFK: yay! When is the event?22:25
CarlFKmithro: Oct 1,222:30
CarlFKsleep, breakfast.. wander over, maybe setup.  lunch, finish setup, get remaining cables, really finish, dinner, sleep, show sleep, show22:31
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