On 12 May 2015 at 11:50, Dave Airlie <airlied@xxxxxxxxx> wrote: > Hi, > > So I have a branch that makes no sound, > http://cgit.freedesktop.org/~airlied/linux/log/?h=dp-mst-audio > > and I'm not sure where I need to turn to next, > > The Intel docs I've read are kinda vague, assuming you know lots of > things I clearly don't. > > so in theory my branch, sets up the SDP stream to the monitor in the > payload creation, > enables the codec in the intel GPU driver, and passes the ELD to the > audio driver. > > The audio driver uses the device list to get the presence/valid bits > per device, and manages to retrieve the ELD. I even create ELD files > in /proc/asound/HDMI/ that have sensible values in them > > So it looks like I'm just missing some routing somewhere, most likely > in the audio driver, then again I could be missing a lot more than > that. > > Just looking for any ideas or knowledge people may have locked in > their brains or inside their firewalls. Okay the branch now has audio on my test setup, I've had to hack out the intel_not_share_assigned_cvt function it appears to do bad things, I set pin 6 to connection 0 (pin 2), the later sets on pin 5/7 to connection 1 by that function seems to reprogram pin 6. I'm guessing the connection is assigned to a device not a pin in the new hw, and the same device is routed via pin 5/7 so I end up trashing it. my test setup is a Haswell Lenovo t440s + docking station + Dell U2410. Dave. _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
