Ok, for the distro (OpenElec) i'm using i'll need to to re-compile the kernel with the CONFIG_DRM_LOAD_EDID_FIRMWARE=y option so i'll try to set up a build env later this day and hope for the best :-) On Thu, Oct 10, 2013 at 10:27 AM, Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> wrote: > On Thu, 10 Oct 2013, Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> wrote: >> On Thu, 10 Oct 2013, Jasper Smet <josbeir@xxxxxxxxx> wrote: >>> I managed do this quickly before i got off to work: >>> >>> Dmesg output with directly connected to the tv: http://sprunge.us/EhJD >>> >>> Neither the VSX-928 nor the TV (passtrough) pick up sound when >>> connected to the AV receiver. >>> >>> I noticed that when i set the resolution to 1080i@30 sound works on >>> the receiver but not on the TV, everything lower works fine in both >>> passtrough and with the receiver powered on. >>> >>> Only when using 1080p24 or lower everything then works fine on both >>> devices.. >> >> At a glance, the main difference seems to be: >> >> [drm:drm_detect_monitor_audio], Monitor has basic audio support >> -[drm:drm_edid_to_eld], ELD monitor Panasonic-TV >> +[drm:drm_edid_to_eld], ELD monitor VSX-923 >> [drm:parse_hdmi_vsdb], HDMI: DVI dual 0, max TMDS clock 190, latency present 0 0, video latency 0 0, audio latency 0 0 >> -[drm:drm_edid_to_eld], ELD size 9, SAD count 1 >> +[drm:drm_edid_to_eld], ELD size 13, SAD count 8 >> >> This is getting pretty much to unknown territory for me, so if anyone >> knows anything better, please chime in! > > So my completely uneducated hunch was that the VSX-923 advertizes audio > capabilities for better quality than the TV, and together the video and > audio oversubscribe the link, unless you degrade video quality. And my > idea below is to use whatever the TV uses. I don't know if we have any > knobs to choose the audio quality somewhere, or whether the hda driver > has something for that. And then again I might be completely off here... > > Jani. > > >> >> I think I'd try using the TV's EDID with the VSX-923 to see if the >> ELD/SAD difference makes, uh, a difference. Something like this: >> >> 1. connect directly to TV >> 2. copy /sys/class/drm/card0-HDMI-A-1/edid under /lib/firmware with some >> sensible name, e.g. panasonic-edid. the exact source path may vary >> depending on HDMI port etc. >> 3. make sure you have CONFIG_DRM_LOAD_EDID_FIRMWARE=y >> 4. use drm.edid_firmware=HDMI-A-1:panasonic-edid module parameter to >> tell DRM to load the edid from /lib/firmware. again, the connector >> name HDMI-A-1 may very depending on HDMI port you use, do check. >> 5. connect to VSX-923; this should now use the EDID (and consequently >> ELD/SAD) from the TV >> >> I haven't actually tried this myself. *grin*. >> >> Let us know what happens. Thanks. >> >> BR, >> Jani. >> >> >> >>> >>> Hope this helps. >>> >>> On Thu, Oct 10, 2013 at 7:57 AM, Jani Nikula >>> <jani.nikula@xxxxxxxxxxxxxxx> wrote: >>>> On Wed, 09 Oct 2013, Jasper Smet <josbeir@xxxxxxxxx> wrote: >>>>> As promissed i added the params to the kernel boot and here's the >>>>> dmesg output with debugging enabled: >>>>> >>>>> http://sprunge.us/iEQR >>>> >>>> Similar dmesg for when you connect directly to the tv (and audio works) >>>> might prove useful. >>>> >>>> Is your expectation that the VSX-928 picks up the sound, or pass through >>>> to the tv? Is it possible to try both (I honestly don't know)? >>>> >>>> It might prove useful to file a bug on DRM/Intel at [1] to track >>>> this. Then it won't get lost even if this thread quiets down. >>>> >>>> >>>> Thanks, >>>> Jani. >>>> >>>> >>>> [1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI >>>> >>>> >>>>> >>>>> Hope this helps! >>>>> >>>>> On Wed, Oct 9, 2013 at 1:28 PM, Jasper Smet <josbeir@xxxxxxxxx> wrote: >>>>>> Ok will pass the info when i get home later this day. >>>>>> >>>>>> On Wed, Oct 9, 2013 at 1:01 PM, Daniel Vetter <daniel@xxxxxxxx> wrote: >>>>>>> On Wed, Oct 09, 2013 at 12:44:10PM +0200, Jasper Smet wrote: >>>>>>>> Sorry, >>>>>>>> >>>>>>>> Intel NUC NUC Kit DC3217BY (Ivy bridge HD4000) Connected via HDMI to >>>>>>>> my Pioneer VSX-928 which is then connected to my Panasonic tv >>>>>>>> >>>>>>>> Running latest stable Openelec build (3.2.2). (tried different builds >>>>>>>> using stable/unstable drivers) >>>>>>> >>>>>>> That's really old ... Can you please test on something more modern? We >>>>>>> made tons of fixes to the hdmi infoframe code. >>>>>>>> >>>>>>>> Here are some logs i pulled while i was debugging the issue with one >>>>>>>> of the OpenElec developers. >>>>>>>> >>>>>>>> xbmc log (shows ALSA enumeration): http://sprunge.us/YJHc >>>>>>>> alsa playback devices: http://sprunge.us/KZKX >>>>>>>> xrandr modes: http://sprunge.us/DhFK >>>>>>>> dmesg: http://sprunge.us/XRGP >>>>>>> >>>>>>> When you have a new kernel please boot with drm.debug=0xe added to your >>>>>>> kernel cmdline and then grab the dmesg. Otherwise all the useful gfx debug >>>>>>> noise isn't in there. >>>>>>> -Daniel >>>>>>> -- >>>>>>> Daniel Vetter >>>>>>> Software Engineer, Intel Corporation >>>>>>> +41 (0) 79 365 57 48 - http://blog.ffwll.ch >>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> Met Vriendelijke Groeten >>>>>> >>>>>> Jasper Smet >>>>>> Developer >>>>>> >>>>>> Twitter: josbeir >>>>>> E-mail: josbeir@xxxxxxxxx >>>>>> Mobile: 0486/41.75.45 >>>>> >>>>> >>>>> >>>>> -- >>>>> Met Vriendelijke Groeten >>>>> >>>>> Jasper Smet >>>>> Developer >>>>> >>>>> Twitter: josbeir >>>>> E-mail: josbeir@xxxxxxxxx >>>>> Mobile: 0486/41.75.45 >>>>> _______________________________________________ >>>>> Intel-gfx mailing list >>>>> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx >>>>> http://lists.freedesktop.org/mailman/listinfo/intel-gfx >>>> >>>> -- >>>> Jani Nikula, Intel Open Source Technology Center >>> >>> >>> >>> -- >>> Met Vriendelijke Groeten >>> >>> Jasper Smet >>> Developer >>> >>> Twitter: josbeir >>> E-mail: josbeir@xxxxxxxxx >>> Mobile: 0486/41.75.45 >> >> -- >> Jani Nikula, Intel Open Source Technology Center > > -- > Jani Nikula, Intel Open Source Technology Center -- Met Vriendelijke Groeten Jasper Smet Developer Twitter: josbeir E-mail: josbeir@xxxxxxxxx Mobile: 0486/41.75.45 _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
