wiki: Add Multimedia chat logs for 20191219, 20200227 and 20200319

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

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+10:00 < pinchartl> welcome to the multimedia meeting
+10:00 < pinchartl> topic 1: status updates
+10:00 < pinchartl> * Jacopo
+10:00 < pinchartl> Since last meeting:
+10:00 < pinchartl> - RDACM21 bringup
+10:00 < pinchartl>   [RFC 00/11] GMSL: Initial RDACM21 support
+10:00 < pinchartl> - max9286 v6 review and discussions
+10:00 < pinchartl> - VIN BT/TB review
+10:00 < pinchartl> - Miscellaneous linux-media patch review
+10:00 < pinchartl> Until next meeting:
+10:00 < pinchartl> - RDACM21 support
+10:00 < pinchartl> Issues and blockers: None
+10:00 < pinchartl> jmondi: any comment ?
+10:01 < jmondi> not really :)
+10:01 < pinchartl> thanks :-)
+10:01 < pinchartl> next is Kieran, who told me today he wouldn't be able to join but would report by e-mail
+10:01 < pinchartl> and who seemed to have forgotten to report by e-mail...
+10:02 < pinchartl> kbingham[m]: eagerly waiting for your report :-)
+10:02 < pinchartl> * Laurent
+10:02 < pinchartl> Since last meeting:
+10:02 < pinchartl> - Reviewed and merged Fabrizio's LVDS work
+10:02 < pinchartl> - Fixed an issue in the CMM series
+10:02 < pinchartl> - Sent pull request for CMM, LVDS dual link pixel order configuration
+10:02 < pinchartl>   and R8A7798 support for the DU
+10:02 < pinchartl> - Tested VGA output on Draak
+10:02 < pinchartl> - Lots of patch review
+10:02 < pinchartl> Until next meeting:
+10:02 < pinchartl> - Holidays
+10:02 < pinchartl> - Resurect other pending patch series, with DU group rework being the
+10:02 < pinchartl>   first target
+10:02 < pinchartl> Issues and Blockers: None
+10:02 < pinchartl> any question ?
+10:03 < pinchartl> * Morimoto-san
+10:03 < pinchartl> Since last meeting:
+10:03 < pinchartl> - Posting ALSA SoC framework cleanup patches
+10:03 < pinchartl> Until next meeting:
+10:03 < pinchartl> - Keep posting ALSA patches
+10:03 < pinchartl> Issues and Blockers: None
+10:03 < pinchartl> morimoto: I didn't include your secret task for the christmas season in the report, due to NDA
+10:03 < pinchartl> but we all appreciate your hard work
+10:04 < morimoto> thanks :)
+10:04 < pinchartl> any other comment ?
+10:04 < morimoto> no comment for it
+10:04 < morimoto> you are nice NDA keeper :)
+10:05 < pinchartl> thank you :-)
+10:05 < pinchartl> * Niklas
+10:05 < pinchartl> Since last meeting:
+10:05 < pinchartl> - [PATCH v2] rcar-vin: Use correct pixel format when aligning format
+10:05 < pinchartl> - [PATCH v2 1/2] rcar-vin: Handle special pixel formats in a switch
+10:05 < pinchartl> - [PATCH v2 2/2] rcar-vin: Limit NV12 availability to supported VIN
+10:05 < pinchartl>   channels only
+10:05 < pinchartl> - [PATCH] yavta: Fix usage documentation for --field option
+10:05 < pinchartl> - [PATCH v3 0/2] rcar-vin: Support V4L2_FIELD_SEQ_{TB,BT}
+10:05 < pinchartl> Until next meeting:
+10:05 < pinchartl> - Christmas holidays
+10:05 < pinchartl> Will work in a reduced mode until early January. Is available via mail
+10:05 < pinchartl> and IRC with increased response times.
+10:05 < pinchartl> (Niklas couldn't join but reported by e-mail instead)
+10:06 < pinchartl> and that's it, unless my recent server issues caused me to miss any e-mail
+10:06 < pinchartl> any quesiton or comment ?
+10:07 < pinchartl> ok
+10:07 < jmondi> not really from me
+10:07 < pinchartl> any discussion topic ?
+10:07 < jmondi> morimoto: is the ebisu thing resolved ?
+10:08 < pinchartl> jmondi: have you had a chance to test the VGA output on Ebisu ? :-)
+10:08 < jmondi> no it was planned for today
+10:09 < jmondi> but morimoto-san said BSP team clarified
+10:09 < pinchartl> ah I missed that
+10:09 < morimoto> jmondi: yes. sorry for our noise
+10:10 < morimoto> it was BSP team fault
+10:10 < jmondi> morimoto: no worries
+10:10 < jmondi> and thanks for being about to create a new year, one more time
+10:10 < pinchartl> no worries, I'd rather have that than a real issue :-)
+10:10 < morimoto> jmondi: no worries
+10:11 < pinchartl> this may have been discussed while I was trying to solve my server issues
+10:11 < pinchartl> do we have any plan to meet around FOSDEM ?
+10:12 < jmondi> not being discussed
+10:12 < jmondi> I'll be there and welcome meetings
+10:13 < pinchartl> I will be there on Sunday, and available the week after FOSDEM
+10:13 < pinchartl> let's discuss this over e-mail separately then
+10:14 < pinchartl> last topic: time for the next meeting ?
+10:14 < pinchartl> three weeks from now, on the 9th of January ?
+10:15 < jmondi> wolfram was wondering if that's too close to holiday
+10:15 < jmondi> I think that should be handled by email as well, to involve him ?
+10:15 < pinchartl> ok
+10:16 < pinchartl> geertu: do you plan to handle this as part of the core report ?
+10:16 < kbingham[m]> pinchartl i sent the report at 7am?
+10:16 < kbingham[m]> Didn't it get through?
+10:16 < pinchartl> it's mentioned as TBD there, so let's discuss it there :-)
+10:17 < pinchartl> kbingham[m]: it didn't I'm afraid
+10:17 < pinchartl> it could be related to the recent server issues
+10:17 < pinchartl> would you be able to resent it ?
+10:17 < pinchartl> it can wait until later if you're not in front of your computer
+10:18 < pinchartl> if there are no other discussion topics for today I propose adjourning this meeting
+10:18 < pinchartl> does anyone second ?
+10:20 < jmondi> I do :)
+10:20 < jmondi> thanks everyone, and enjoy you holiday (if any :P )
+10:20 < pinchartl> meeting adjourned
+10:20 < pinchartl> thank you all for attending
diff --git a/wiki/Chat_log/20200227-mm-chatlog b/wiki/Chat_log/20200227-mm-chatlog
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+09:40 < pinchartl> welcome to the multimedia meeting
+09:40 < pinchartl> topic 1. Status updates
+09:41 < pinchartl> * Jacopo
+09:41 < pinchartl> Since last meeting:
+09:41 < pinchartl> - RDACM21 camera driver
+09:41 < pinchartl> - support max9286 v7 upstreaming
+09:41 < pinchartl> - Support BSP team 8camera tests
+09:41 < pinchartl> Until next meeting:
+09:41 < pinchartl> - Validate RDACM21 with 4 cameras
+09:41 < pinchartl> Thanks to Kieran that setup can now be accessed remotely.
+09:41 < pinchartl> - Send rdacm20 + max9271 + rdacm21(?) for inclusion
+09:41 < pinchartl> Issues and blockers: None
+09:41 < pinchartl> jmondi: any comment ?
+09:42 < pinchartl> I assume not :-)
+09:42 < pinchartl> * Kieran
+09:42 < pinchartl> Since last meeting:
+09:42 < pinchartl> - Fixups to MAX9286
+09:42 < pinchartl> - GMSL MAX9286 v7 posted (and chased/got an external review!)
+09:42 < pinchartl> - Supporting Jacopo with RDCAM21
+09:42 < pinchartl> - Misc patch review
+09:42 < pinchartl> Until next meeting:
+09:42 < pinchartl> - Process max9286 review comments
+09:42 < pinchartl> Only reasonably minor comments left to deal with, will post v8.
+09:42 < pinchartl> Issues and blockers: None
+09:43 < pinchartl> kbingham: any comment ?
+09:43 < kbingham> pinchartl, nope
+09:43 < jmondi> pinchartl: sorry, missed the notification, no comments sorry
+09:44 < pinchartl> jmondi: no worries
+09:44 < pinchartl> kbingham: thanks
+09:44 < pinchartl> * Laurent
+09:44 < pinchartl> Since last meeting:
+09:44 < pinchartl> - Trip to FOSDEM
+09:44 < pinchartl> - Multimedia meeting @Brussels with Jacopo and Niklas
+09:44 < pinchartl> Discussions focussed on GMSL and upstreaming plans. The MAX9286 driver
+09:44 < pinchartl> and the camera drivers will go upstream without waiting for multiplexed
+09:44 < pinchartl> streams support in V4L2.
+09:44 < pinchartl> - V4L2 multiplexed streams resurection
+09:44 < pinchartl> Started resurecting the last version of the patch series to support
+09:44 < pinchartl> multiplexed streams, targetting CSI-2 for GMSL.
+09:44 < pinchartl> - Constify drm_driver
+09:44 < pinchartl> Make it possible to declare the drm_driver structure as const, enhancing
+09:44 < pinchartl> security.
+09:44 < pinchartl> - Patch review
+09:44 < pinchartl> Until next meeting:
+09:44 < pinchartl> - Rebase, brush up and resend the V4L2 multiplexed streams proposal
+09:44 < pinchartl> - Continue DU group rework
+09:44 < pinchartl> Issues and Blockers: None
+09:44 < pinchartl> any question ?
+09:46 < moriperi> Could you enjoy FOSDEM ?
+09:46 < pinchartl> a little bit
+09:46 < pinchartl> I've actually spent most of my time in meetings
+09:46 < pinchartl> but had a chance to meet Magnus, and then to have a nice group dinner, it was nice :-)
+09:47 < moriperi> Hehe :) nice to know
+09:47 < pinchartl> of course the biggest problem was that we all missed you and Shimoda-san
+09:47 < moriperi> Yeah, that was not so good for us, too
+09:48 < moriperi> BTW, Thank you Jacopo and Kieran for Camera support
+09:48 < moriperi> s/support/hard work/
+09:48 < jmondi> moriperi: I really hope we can get all 4 cameras workgin easily
+09:48 < jmondi> moriperi: thank you for interfacing with BSP team
+09:49 < moriperi> No Problem. Thank you for your help.
+09:49 < pinchartl> speaking of you :-)
+09:49 < pinchartl> * Morimoto-san
+09:49 < pinchartl> Since last meeting:
+09:49 < pinchartl> - Continue to post patches for ALSA SoC
+09:49 < pinchartl> The patches caused some issues on non-Renesas-platform. Back-and-forth 
+09:49 < pinchartl> discussions ongoing.
+09:49 < pinchartl> Until next meeting:
+09:49 < pinchartl> - Continue to post patches to ALSA ML
+09:49 < pinchartl> v5.7-rcX will have big change on ALSA SoC, patches will need to be 
+09:49 < pinchartl> rebased.
+09:49 < pinchartl> Issues and Blockers: CoViD-19
+09:49 < pinchartl> any comment ?
+09:50 < moriperi> No. Thanks
+09:50 < moriperi> I know CoViD-19 is now working at Europe, too, right ?
+09:50 < moriperi> Are you guys all OK ?
+09:50 < kbingham> jmondi knows the most about CoViD I think :)
+09:51  * jmondi says hello from coronaItaly
+09:51 < pinchartl> yes, it has been ported to the European market, successfully tested, and mass deployment is in progress
+09:51 < moriperi> Hehe :)
+09:51 < pinchartl> the return on investment seems dubious to me, but what do I know about business strategies ? :-)
+09:52 < kbingham> Italians seem quite fond of it ... perhaps they have the right business model.
+09:52 < jmondi> nothing is really happening, it's a seasona flu, but they're taking mass testing, so yeah, seems like a pandemy is going on
+09:52 < jmondi> there's are 5 million people with season flu at the moment
+09:52 < jmondi> and 300 with covid-19
+09:52 < jmondi> :)
+09:52 < moriperi> Please really really take care
+09:53 < pinchartl> people are starting to wear face masks in Europe, but they don't have the experience level of Japan, they don't know that the main purpose of the mask is to protect others, not yourself
+09:54 < jmondi> ^ this is something really "funny"... peple wear masks not to get infected
+09:54 < pinchartl> * Niklas
+09:54 < pinchartl> Since last meeting:
+09:54 < pinchartl> - Discussed V4L2 multiplexed streams with MM team at FOSDEM
+09:54 < pinchartl> Until next meeting:
+09:54 < pinchartl> - Post v4 of V4L2_CAP_IO_MC
+09:54 < pinchartl> Issues and blockers: None
+09:54 < pinchartl> neg: any comment ?
+09:54 < neg> I will focus more on MM in the upcoming weeks
+09:55 < neg> Other than that no comment
+09:55 < pinchartl> thank you
+09:55 < pinchartl> any additional comment or question from anyone ?
+09:56 < neg> not from me
+09:57 < pinchartl> ok
+09:57 < pinchartl> any discussion topic ?
+09:58 < pinchartl> short meeting then, I like that :-)
+09:58 < pinchartl> I propose adjourning the meeting. does anyone second ?
+09:59 < jmondi> seconded
+09:59 < geertu> next meeting?
+09:59 < pinchartl> meeting adjourned, thank you everybody for attending
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+10:04 < pinchartl> welcome to the multimedia meeting
+10:04 < pinchartl> Topic 1. Status Check for the Multimedia Tasks
+10:05 < pinchartl> * Jacopo
+10:05 < pinchartl> Since last meeting:
+10:05 < pinchartl> - V4L2 subdev bus configuration API
+10:05 < pinchartl> Extend the V4L2 framework to provide an operation to configure bus
+10:05 < pinchartl> parameters to allow CSI-2 data lane negotiation between ADV748x and
+10:05 < pinchartl> R-Car CSI-2.
+10:05 < pinchartl>   -[PATCH 0/4] v4l2-subdev: Introduce get_mbus_format pad op
+10:05 < pinchartl> - MAX9286 parameter configuration options
+10:05 < pinchartl>   - [PATCH 0/5] media: i2c: max9286: Add configuration properties
+10:05 < pinchartl> - Patch review and discussion
+10:05 < pinchartl>   - [PATCH] media: v4l2-async: Accept endpoints and devices for fwnode matching
+10:05 < pinchartl>   - [PATCH v7 2/2] media: i2c: Add MAX9286 driver
+10:05 < pinchartl>   - [periperi] kernel v5.4 VIN multi camera
+10:05 < pinchartl>   - [PATCH] [RFC] media: rcar-vin: don't wait for stop state on clock lane during start of CSI2
+10:05 < pinchartl> Until next meeting: TBD
+10:05 < pinchartl> Issues and blockers: None
+10:05 < pinchartl> jmondi: any comment ?
+10:05 < jmondi> that I forgot point B) :)
+10:05 < pinchartl> I was wondering about it :-)
+10:06 < pinchartl> so what do you plan to do until next meeting ?
+10:06 < jmondi> - defined max9286 negotiation parameters including new use cases (eg Xilinx using max96705)
+10:06 < jmondi> - conitnue pushing get_mbus_config() to support adv748x-rcar-csi2 date lane negotiation
+10:07 < jmondi> sorry, I left those points out :/
+10:07 < jmondi> nothing more to add
+10:07 < pinchartl> no worries
+10:07 < pinchartl> * Kieran
+10:07 < pinchartl> Since last meeting:
+10:07 < pinchartl> - MAX9286/GMSL ongoing development (and support with Jacopo)
+10:07 < pinchartl> - Async matching developments and review
+10:07 < pinchartl> Driven by both the MAX9286 posting, and then Laurent's version driven by
+10:07 < pinchartl> the RZ/G1.
+10:07 < pinchartl> - FCP Max segment size bug fix
+10:07 < pinchartl> No segment size is set, and the core defaults to SZ_64K.
+10:07 < pinchartl> - Patch review
+10:07 < pinchartl> Until next meeting: TBD
+10:07 < pinchartl> Issues and blockers: None
+10:07 < pinchartl> kbingham: any comment ?
+10:08 < kbingham> TBD? Did I also leave it blank?
+10:08 < pinchartl> as far as I can tell...
+10:09 < kbingham> # Until next meeting
+10:09 < kbingham>  - Continue to push towards some integration of MAX9286, along with Jacopo
+10:09 < pinchartl> ah no you didn't
+10:09 < pinchartl> I was just too tired :-S
+10:09 < pinchartl> sorry
+10:10 < pinchartl> thank you
+10:10 < pinchartl> * Laurent
+10:10 < pinchartl> Since last meeting:
+10:10 < pinchartl> - Fix V4L2 async endpoint match
+10:10 < pinchartl> Sent a new fix for the incompatibility between V4L2 subdevs and bridges.
+10:10 < pinchartl> Feedback has been provided, a new version is needed, with minor changes.
+10:10 < pinchartl> - V4L2_CAP_IO_MC + VIDIOC_ENUM_FMT
+10:10 < pinchartl> Extended Niklas' V4L2_CAP_IO_MC series with an extension for the
+10:10 < pinchartl> VIDIOC_ENUM_FMT API to bridge the MC and V4L2 APIs.
+10:10 < pinchartl> - V4L2 multiplexed streams
+10:10 < pinchartl> Continued work on V4L2 multiplexed streams, splitting out media bus
+10:10 < pinchartl> configuration that Jacopo has now handled as a separate patch series.
+10:10 < pinchartl> - Patch review
+10:10 < pinchartl> The most notable reviewed topics include
+10:10 < pinchartl>   - DRM bus format negotiation
+10:10 < pinchartl>   - adv748x HDMI audio clock
+10:10 < pinchartl>   - Geert's PWM
+10:10 < pinchartl>   - Niklas' V4L2_CAP_IO_MC and MC graph completion
+10:10 < pinchartl>   - Prabhakar's OV5645
+10:10 < pinchartl> Until next meeting:
+10:10 < pinchartl> - Complete and send the V4L2 multiplexed streams proposal
+10:10 < pinchartl> - Continue DU group rework
+10:10 < pinchartl> Issues and Blockers: No contract for Q2 yet
+10:10 < pinchartl> any question ?
+10:11 < patersonc> Not a question, but thanks all for your reviews of Prabhakar's patches
+10:11 < pinchartl> patersonc: you're welcome
+10:11 < pinchartl> * Morimoto-san
+10:11 < pinchartl> Since last meeting:
+10:11 < pinchartl> - Keep posting ALSA SoC patches
+10:11 < pinchartl> Feedback was provided, and bugs were found.
+10:11 < pinchartl> - Started not go to Renesas Office
+10:11 < pinchartl> Until next meeting:
+10:11 < pinchartl> - Keep posting ALSA SoC patches
+10:11 < pinchartl> Issues and Blockers: Our health
+10:11 < pinchartl> morimoto: any comment ?
+10:12 < morimoto> pinchartl: I ordered Q2 SoW, so you will be happy soon
+10:12 < morimoto> I also wokrd for yaml base Doc, but no responce from ML
+10:12 < morimoto> And, that's it. thanks
+10:12 < pinchartl> morimoto: \p/
+10:12 < pinchartl> thank you
+10:13 < pinchartl> I'll add the yaml work to the report, thank you
+10:13 < pinchartl> * Niklas
+10:13 < pinchartl> Since last meeting:
+10:13 < pinchartl> - [PATCH v3] dt-bindings: rcar-vin: Convert bindings to json-schema
+10:13 < pinchartl> - [PATCH v4 0/3] v4l2-dev/ioctl: Add V4L2_CAP_IO_MC
+10:13 < pinchartl> - [PATCH] vimc: Report a colorspace
+10:13 < pinchartl> - [PATCH v5 0/4] v4l2-dev/ioctl: Add V4L2_CAP_IO_MC
+10:13 < pinchartl> - [PATCH 0/2] v4l2-compliance: add tests for V4L2_CAP_IO_MC
+10:13 < pinchartl> - [RFC 0/5] media-device: Report if graph is complete or not
+10:13 < pinchartl> - [PATCH 0/2] v4l-utils: media-ctl: Print media graph completes if available
+10:13 < pinchartl> - R-Car VIN and CSI-2 have started to get 3rd party contributions!
+10:13 < pinchartl>   Tested, reviewed and tried to guide the effort.
+10:13 < pinchartl> Until next meeting:
+10:13 < pinchartl> - Keep reviewing new iterations of VIN related patches
+10:13 < pinchartl> - If their is time look at Laurent's v4l2-async patch series
+10:13 < pinchartl> Issues and blockers: None
+10:13 < pinchartl> neg: any comment ?
+10:14 < neg> I will also try to look at ENUM_FMT for next meeting
+10:14 < neg> other than that, no comment
+10:15 < pinchartl> thank you
+10:15 < pinchartl> any question or comment from anybody else ?
+10:16 < neg> I'm happy to see we are all collaboratively attacking V4L2 core ;-)
+10:16 < jmondi> I still have that weird issue on RDACM21 to clarify with BSP team
+10:16 < jmondi> but as long as the situation is the current one I don't think there can be any progress
+10:17 < pinchartl> if they can't test it due to lack of hardware access, indeed
+10:17 < jmondi> as most people is not at the office so access to hardware is limited
+10:17 < jmondi> yep
+10:17 < morimoto> jmondi: thank you for helping them
+10:17 < jmondi> morimoto: thank you for your support
+10:17 < jmondi> passing messages between us and BSP team is not fun I guess
+10:18 < pinchartl> maybe someone should go to the office wearing this http://ideasonboard.org/corona-in-finland.jpg to recover the hardware
+10:18 < pinchartl> (the picture was taken in Finland)
+10:18 < morimoto> wow, it is you ?
+10:18 < neg> morimoto: haha
+10:18 < jmondi> ahaha
+10:19 < jmondi> that's how Laurent dresses up when he has to review our patches
+10:19 < kbingham> hahah
+10:19 < morimoto> :)
+10:19 < pinchartl> I don't own such a pretty mask, no :-)
+10:19 < patersonc> There's a video I've seen of someone in a dinosaur suit in tescos
+10:20 < geertu> How do you get the food out of the bags without contaminating it?
+10:21 < wsa> next meeting on April, 9th?
+10:21 < pinchartl> patersonc: that I wish will continue to happen after the epidemic, it's fun :-)
+10:21 < pinchartl> wsa: I was going to ask
+10:21 < pinchartl> Europe will have switched to DST
+10:21 < patersonc> pinchartl: Stocks of the suits are probably low though
+10:21 < jmondi> yeah! we can enjoy more time outside in the ligt
+10:21 < jmondi> ah, no
+10:21 < pinchartl> should we thus move the meeting forward by one hour, or would our Japanese friends prefer meeting an hour earlier ?
+10:21 < jmondi> :(
+10:22 < geertu> jmondi: Do you have a garden? Here enjoying time in your garden is still allowed
+10:23 < jmondi> I have a balcony, it really helps :)
+10:23 < geertu> pinchartl: Usually we let our Japanese friends meet earlier
+10:23 < shimoda22> pinchartl: an hour earlier sounds good to me :)
+10:23 < pinchartl> shimoda22: I suspected it would :-)
+10:24 < pinchartl> let's do that then
+10:24 < pinchartl> any discussion topic for multimedia ?
+10:24 < neg> None from me
+10:24 < kbingham> None here currently.
+10:25 < pinchartl> I then propose adjourning the meeting. does anyone second ?
+10:26 < neg> second
+10:26 < morimoto> 2nd
+10:26 < jmondi> yup yup
+10:27 < pinchartl> meeting adjourned