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| fredcadete | hello | 08:47 |
|---|---|---|
| rjek | Hello. | 08:47 |
| fredcadete | I was wondering if anyone is using a Renesas board with their latest LTSI kernel? | 08:47 |
| fredcadete | I tried it on a Porter board and have an audio regression | 08:48 |
| fredcadete | and Renesas's support kindly informed me that Porter only has community support | 08:48 |
| fredcadete | so here I am | 08:48 |
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| CTtpollard | fredcadete: I'm not sure on the exact kernel our board is using, what exactly is the regression? | 08:52 |
| fredcadete | GDP us using rcar-gen2-1.9.2 (https://git.kernel.org/cgit/linux/kernel/git/horms/renesas-backport.git/log/?h=bsp/v3.10.31-ltsi/rcar-gen2-1.9.2) | 08:53 |
| fredcadete | If I upgrade to rcar-gen2-1.9.5, then audio plays at half speed | 08:53 |
| CTtpollard | gulp | 08:54 |
| fredcadete | I have identified the commit between 1.9.2 and 1.9.5 that introduced the regression, and proposed to Renesas | 08:54 |
| fredcadete | but they seem to not be available to confirm nor deny that I am seeing things correctly | 08:54 |
| * fredcadete sighs | 08:55 | |
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| CTtpollard | yeh just double checked on our board, 3.10.31 | 08:56 |
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| fredcadete | they are both 3.10.31, as far as I know it's not possible to tell them apart at runtime | 08:57 |
| CTtpollard | :S | 08:57 |
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| fredcadete | aaanyway | 08:58 |
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| fredcadete | I'll see if I can get something more out of Renesas | 08:58 |
| fredcadete | maybe I can get this upstream | 08:59 |
| fredcadete | if I fail then I'll post this to the ML so the next people upgrading don't have the same issue | 08:59 |
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| radiofree | fredcadete: that's nice of them, i suppose that have a lovely open source GPU driver as well, community supported | 09:59 |
| fredcadete | the GPU is not open source, as usual | 10:00 |
| fredcadete | as for the rest Renesas is not that bad, most of the kernelspace is open source and developed in the open | 10:01 |
| radiofree | yes i know, was joking | 10:02 |
| fredcadete | if I had had a kernel code drop as happens with other vendors I would not have been able to bisect the issue | 10:02 |
| fredcadete | they now have pointed me to stephen lawrence, it seems to be going somewhere | 10:02 |
| radiofree | throw that porter out of the window and buy a jetson, or a minnowboard, is my advice | 10:02 |
| radiofree | then you can use upstream + mesa :) | 10:03 |
| fredcadete | jetson? we have considered it but we ranked nvidia lower than renesas on openness | 10:13 |
| fredcadete | their supported BSP had fairly old components if I recall correctly | 10:14 |
| * rjek wonders why we tolerate closed GPUs in exactly the way we wouldn't tolerate closed CPUs. | 10:14 | |
| fredcadete | the patent environment for GPUs is scary | 10:15 |
| radiofree | fredcadete: don't use the "supported bsp", the entire stack on the jetson is open | 10:15 |
| fredcadete | if I were doing a GPU I would be very wary of open sourcing its drivers | 10:15 |
| radiofree | nvidia are doing great with with nouveau, at least for arm | 10:15 |
| radiofree | fredcadete: why? | 10:15 |
| radiofree | also you can always just buy a minnowboard now, intel open gpu drivers are excellent | 10:16 |
| rjek | CPUs are massively patent-encumbered, too | 10:16 |
| fredcadete | the most compelling reasoning I have heard for not opening your drivers is that trolls will look at it and take any small excuse to sue you to hell | 10:16 |
| * radiofree doesn't have enough hours in the year to spend messing about with binary blobs provided by companies like renesas | 10:16 | |
| radiofree | soiled by the experience with freescale, their blobs are an utter disaster (locks you in to specific versions of weston etc) | 10:18 |
| fredcadete | if you don't use the supported BSP your are more likely to get a "you are on your own" reply when you are two weeks away from SOP and you find a bug in driver code | 10:18 |
| radiofree | in my experience you're on your own anway | 10:19 |
| radiofree | s/anway/anyway | 10:19 |
| fredcadete | for liability reasons it's good to keep your suppliers in the loop | 10:19 |
| rjek | Often using the "supported" BSP causes more problems that you can then do nothing about | 10:19 |
| fredcadete | yes, but then you can point the finger at the supplier | 10:19 |
| rjek | Who then shrugs :) | 10:19 |
| fredcadete | it's self-preservation as usual | 10:19 |
| rjek | At least if it's open you can fix it yourself | 10:19 |
| * radiofree looks at the "supported BSP he's working on currently | 10:20 | |
| * radiofree cries | 10:20 | |
| * rjek distills radiofree's tears into a trendy gin | 10:20 | |
| fredcadete | if you get a supported BSP that is open and current enough, that's better than unsupported and 6 months more recent | 10:21 |
| fredcadete | choices choices | 10:21 |
| radiofree | can you tell us where to find a current, supported BSP, that receives updates | 10:21 |
| * radiofree looks at "supported" BSP with systemd 44 | 10:21 | |
| fredcadete | 44?? | 10:22 |
| radiofree | yes | 10:22 |
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| CTtpollard | fredcadete: I'm still looking into the hmi controller fix btw | 12:01 |
| CTtpollard | I think I've narrowed it down to only happening on the initial launch of an app | 12:01 |
| fredcadete | the timing stuff? | 12:01 |
| CTtpollard | yep! | 12:02 |
| CTtpollard | bug349 of gdp | 12:02 |
| fredcadete | if at some point the hmi-controller starts using the new notifications from ivi-controller, then the race should not surface anymore | 12:02 |
| CTtpollard | 'new' ? | 12:03 |
| fredcadete | let me find that commit for you | 12:03 |
| fredcadete | http://git.projects.genivi.org/?p=wayland-ivi-extension.git;a=commit;h=df1f85d6787c7173eb55a3f00b60cd408a582784 | 12:04 |
| fredcadete | ilmControl: send notifications for surface creation/deletion | 12:04 |
| CTtpollard | I'm looking in ilm_control.h locally atm | 12:06 |
| CTtpollard | and that notification needs to be captured beofre entering surface_control I think | 12:08 |
| CTtpollard | or at least, before setting properties for the surface within the function | 12:09 |
| fredcadete | oh, right, sorry | 12:13 |
| fredcadete | I was mixing up the surface creation and the committing of content | 12:14 |
| CTtpollard | my understanding is that it could be potentially trying to commit content before the surface has actually been created | 12:15 |
| fredcadete | you mean the client committing content? that would be weird | 12:17 |
| fredcadete | from what I saw the problem happens when the controller commits a control too soon | 12:17 |
| CTtpollard | afaik right now, hmi-controller tries to switch to the surface and commits properties too soon | 12:17 |
| CTtpollard | yeh | 12:17 |
| CTtpollard | :) | 12:17 |
| fredcadete | agreed | 12:17 |
| CTtpollard | I may have terms / context confused, I'm coming from the bottom here :) | 12:18 |
| fredcadete | as are we all | 12:18 |
| CTtpollard | heh | 12:19 |
| radiofree | please forward port the gdp to latest wayland-ivi-extension | 12:21 |
| radiofree | there's a notification api now that will tell you when a surface has been created | 12:21 |
| radiofree | of course, you'll have to completly rewrite the input handling | 12:22 |
| * radiofree doesn't apologise for that though, as the new input handling plugin is awesome | 12:22 | |
| fredcadete | +1 | 12:23 |
| CTtpollard | so, that means layer_manager will need re-writing? | 12:23 |
| radiofree | what's layer_manager (sorry i don't know about about the gdp other than how much of nightmare it was to integrate) | 12:23 |
| radiofree | the basic ilm_* layer management stuff is the same | 12:24 |
| CTtpollard | it's provided by meta-ivi | 12:24 |
| radiofree | layer manager was the name of the old genivi compositor | 12:25 |
| radiofree | it had both X11 and wayland support | 12:25 |
| CTtpollard | but, I was reffering to this sorry http://git.projects.genivi.org/?p=layer_management.git | 12:25 |
| radiofree | though, confusingly, people (including myself) still refer to wayland-ivi-extension + weston-ivi-shell as "layer manager" | 12:26 |
| radiofree | that's the old one CTtpollard, if you're using weston you're not using that | 12:26 |
| CTtpollard | good to know.. ta! | 12:27 |
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| louai | how committed are people to weston as the reference compositor? I've been looking at the whole ivi-shell stuff and the way the home screen works and it just seems to me that doing all of that would be quite a lot easier to do with QtWayland since you could have the home screen also be the compositor | 12:47 |
| louai | if there's interest I might just go ahead and try to see how much work implementing the ivi-shell protocol's server side would be, we did get a patch for the client side recently that's being reviewed | 12:47 |
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| fredcadete | louai: in-house we didn't consider wayland compositors other than weston because chip suppliers support either X or weston | 12:58 |
| fredcadete | radiofree: laugh all you want :) | 12:58 |
| fredcadete | renesas has some patches on weston and gstreamer's waylandsink, to get less copies when playing video | 13:00 |
| fredcadete | which of course has the drawback of being stuck on weston 1.5 | 13:00 |
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