Red Hat Bugzilla – Bug 1278299
No audio over DP for Radeon
Last modified: 2016-12-20 10:23:36 EST
Been having this issue since the beginning.
Neither audio over DisplayPort nor HDMI is not working.
I have Radeon HD 7850.
kennohan, have you managed to get audio over any interface, f.ex. analog? What about right after boot? I have similar issue and my audio over HDMI works once after boot but is lost after suspend - resume cycle. I'm currently testing HDMI and I need to check is behavior exactly the same with DP. But for sure I were not able to get audio over DP after suspend - resume. Have to check it after boot. What's in your dmesg? I attached one of mine.
Created attachment 1137838 [details]
dmesg where ELD dataparsing fails after pm resume
oops, sorry, message pair:
snd_hda_codec_hdmi hdaudioC1D0: HDMI: ELD buf size is 0, force 128
snd_hda_codec_hdmi hdaudioC1D0: HDMI: invalid ELD data byte 0
does actually appear even before first suspend. Anyway, I'm not sure does this relate but if you kennohan find similar entries in your dmesg output I propose this bug should be assigned to xorg-x11-drv-ati
re-assigning as requested
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