https://bugs.freedesktop.org/show_bug.cgi?id=104391
Bug ID: 104391 Summary: DC R9 285 HDMI audio regression since drm/amd/display: try to find matching audio inst for enc inst first Product: DRI Version: DRI git Hardware: x86-64 (AMD64) OS: Linux (All) Status: NEW Severity: normal Priority: medium Component: DRM/AMDgpu Assignee: dri-devel@lists.freedesktop.org Reporter: adf.lists@gmail.com
R9 285 Tonga with DC (only DC ever worked for HDMI audio with this card/TV combo)
Haven't tested any other use cases other than mine =
HDMI TV is off DVI-D monitor is on with X running, Turn on TV, do xrandr --output HDMI-A-0 --auto && xrandr --output HDMI-A-0 --below DVI-D-0
Since this commit I get no sound.
commit cfb071f7a9673109415d097125b3c12c16836acc Author: Charlene Liu charlene.liu@amd.com Date: Wed Nov 15 18:55:57 2017 -0500
drm/amd/display: try to find matching audio inst for enc inst first
[Description] in eDP+ HDMI/DP clone or extended configuration, audio inst changed from inst 1 to inst0. No failure related this though, just playback device endpoint inst changed. Also remove one addition register read.