wiki: Add M/M chatlog for 2021-05-20

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

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+<pinchartl> welcome to the multimedia meeting
+<pinchartl> Topic 1. Status Check for the Multimedia Tasks
+<pinchartl> * Geert
+<pinchartl> Since last meeting:
+<pinchartl> - Upported Eagle X1 clock patch
+<pinchartl> - DT binding validation related fixes
+<pinchartl> This includes conversion to json-schema for IMR and JPU.
+<pinchartl> Until next meeting: None
+<pinchartl> Issues and blockers: None
+<pinchartl> geertu: any comment ?
+<geertu> pinchartl: nope
+<pinchartl> thanks
+<pinchartl> * Jacopo
+<pinchartl> Since last meeting:
+<pinchartl> - Setup AGL SDK and run test images
+<pinchartl> - Back-ported pipewire tutorials to the version shipped by AGL
+<pinchartl> - USB camera capture testing on AGL platform
+<pinchartl> Until next meeting: ?  [17:16]
+<pinchartl> Issues and blockers:
+<pinchartl> - Need feedback from media maintainers on
+<pinchartl> "[PATCH v4 16/17] media: v4l2-subdev: De-deprecate init() subdev
+	    op"
+<pinchartl> Pinged once already.
+<pinchartl> jmondi: any comment ?
+<pinchartl> let's move on while Jacopo wakes up  [17:17]
+<pinchartl> * Kieran
+<pinchartl> Since last meeting:
+<pinchartl> - v4l2-utils meson conversion testing
+<pinchartl> May have poked the Mauro Bear...
+<pinchartl> - VSP on V3U bringup
+<pinchartl> The VSP-D on V3U seems not to be able to operate without the DU,
+	    so it can't be tested standalone as on Gen3 platforms (in
+	    memory-to-memory mode). Enabling the DU gives frame completion
+	    interrupts on the VSP, which seems to confirm this assumption.
+<pinchartl> - DU bringup (integrating with Laurent's SN65DSI86 bridge)
+<pinchartl> Can now identify that the VSP is operating, but need more
+	    development to get the DU fully controlling the display port.
+<pinchartl> Until next meeting:
+<pinchartl> - SN65DSI86 integration, to be able to complete DU output  [17:18]
+<pinchartl> Issues and blockers:
+<pinchartl> - VSP testing would be easier if it could operate in UAPI mode
+<pinchartl> Testing the VSP standalone without the DU would be useful. Maybe
+	    be worth trying the UAPI mode with a manual get on the DSI clocks
+	    ?
+<pinchartl> kbingham: any comment ?
+<kbingham> I also upgraded my 5g/microsoft account by getting my first vaccine
+	   ;-)
+<kbingham> But otherwise no comment ;-)
+<pinchartl> :-)
+<pinchartl> btw, I've s/SN64DSI86/SN65DSI86/ in your report
+<pinchartl> also, for VSP testing, did you mean getting the DSI clocks, or the
+	    DU clocks, or both ?
+<kbingham> I have already tried enabling DU clocks to get the VSP to run
+								        [17:19]
+<kbingham> So I suspect I mean both
+<pinchartl> ok
+<kbingham> Diving into the bringup for DU made me realise there was a DSI
+	   clock.
+<pinchartl> I think it's worth giving it a try
+<kbingham> ok  [17:20]
+<pinchartl> but if it's about the pixel clock and not the module clocks, then
+	    you'll need to configure the DSI encoder and start it
+<pinchartl> it won't be as simple as enabling a CPG clock
+<pinchartl> (although that should be tried first, just in case)
+<jmondi> ah ups, missed the notification :)
+<kbingham> sure. Well it was nice to be able to see the VSP actaully firing
+	   interrupts at last after lots of dead ends  [17:21]
+<kbingham> but it will be nicer to see it doing something real
+<pinchartl> of course :-)
+<pinchartl> it's going in the right direction, let's get the display output
+	    working
+<pinchartl> * Laurent
+<pinchartl> Since last meeting:
+<pinchartl> - V4L2 multiplexed streams development
+<pinchartl> Worked with Tomi Valkeinen. Several patch series have been posted,
+	    work is continuing.
+<pinchartl> - SN65DSI86 driver development
+<pinchartl> The SN65DSI86 (DSI to eDP bridge used on the V3U Falcon board) is
+	    seeing active development upstream, and lots of discussions were
+	    needed to make sure it wouldn't go in a direction that would
+	    negatively affect us.
+<pinchartl> - DSI driver upporting
+<pinchartl> Provided test branch to Kieran who took over (at least
+	    temporarily) this part, to enable VSP testing.
+<pinchartl> - Move DU to the drm_bridge_connector helper
+<pinchartl> Patches had bit-rotten, rebased and reposted them. This is a
+	    prerequisite for the DSI bridge driver development.
+<pinchartl> Until next meeting:  [17:22]
+<pinchartl> - V4L2 multiplexed streams development
+<pinchartl> - Upstream DU move to drm_bridge_connector helper
+<pinchartl> - Complete DSI and DU driver upporting (with Kieran)
+<pinchartl> - Display drivers upstreaming (tentative)
+<pinchartl> Issues and blockers: None
+<pinchartl> any comment ?
+<pinchartl> * Morimoto-san
+<pinchartl> Since last meeting:
+<pinchartl> - Continue ALSA SoC framework and/or new generic sound card driver
+<pinchartl> - Got problem reports from customer support team that - Sound has
+	    NULL pointer error after 1 hour - Sound will be silence after 4-5
+	    hours
+<pinchartl> Until next meeting:
+<pinchartl> - Continue work on ALSA SoC
+<pinchartl> - Investigate and solve the sound issues
+<pinchartl> Issues and Blockers: None
+<pinchartl> moriperi: any comment ?
+<moriperi> The both issues are solved today ?
+<moriperi> oops  [17:23]
+<moriperi> sovled today.
+<pinchartl> nice !
+<pinchartl> you work faster than I can type reports ;-)
+<moriperi> Hehe :)
+<pinchartl> * Niklas
+<pinchartl> Since last meeting:
+<pinchartl> - [PATCH 0/2] arm64: dts: renesas: Fix CSI-2 validation errors
+<pinchartl> - [PATCH v2] media: dt-bindings: media: renesas,isp: Add bindings
+	    for ISP Channel Selector
+<pinchartl> - [PATCH v2] media: dt-bindings: media: renesas,vin: Add r8a779a0
+	    support
+<pinchartl> - [PATCH v2] media: rcar-isp: Add Renesas R-Car Image Signal
+	    Processor driver
+<pinchartl> - [PATCH v2] media: rcar-vin: Enable support for r8a77961
+<pinchartl> - [PATCH v2] media: rcar-csi2: Enable support for r8a77961
+<pinchartl> Until next meeting:
+<pinchartl> - Follow up pending patches.  [17:24]
+<pinchartl> - Send next batch of cleanup patches found while working on V3U
+<pinchartl> Issues and blockers: None
+<pinchartl> neg: any comment ?
+<neg> No additional comment :-)
+<pinchartl> have you received any review feedback from V4L2 developers on the
+	    ISP driver ?
+<neg> No the v4l2 community feedback have been rather disappointing
+<neg> But nothing new for v4l2 ;-)
+<pinchartl> unfortunately  [17:25]
+<pinchartl> * Ulrich
+<pinchartl> Since last meeting:
+<pinchartl> - atest improvements
+<pinchartl> - input format detection - fixes for issues with varying amount of
+	    silence in input files - custom test messages - 5-channel support
+<pinchartl> Until next meeting:
+<pinchartl> Issues and blockers: None
+<pinchartl> uli__: any comment ?
+<uli__> nope
+<pinchartl> thanks
+<pinchartl> any other discussion topic for today ?
+<pinchartl> if not, I propose adjourning this meeting. does anyone second ?
+								        [17:27]
+<neg> seconded
+<pinchartl> meeting adjourned, thank you everybody for attending  [17:28]
+<pinchartl> have a nice day !
+<pinchartl> or evening for our Japanese friends
+<neg> Thanks all, have a great day!
+<moriperi> thanks all. have a nice day  [17:29]
+<moriperi> I will go back to my home