https://bugs.freedesktop.org/show_bug.cgi?id=70934
--- Comment #14 from Rafał Miłecki zajec5@gmail.com --- [ 16.732721] [drm] Radeon Display Connectors [ 16.732722] [drm] Connector 0: [ 16.732723] [drm] eDP-1 [ 16.732724] [drm] HPD2 [ 16.732725] [drm] DDC: 0x6460 0x6460 0x6464 0x6464 0x6468 0x6468 0x646c 0x646c [ 16.732726] [drm] Encoders: [ 16.732727] [drm] LCD1: INTERNAL_UNIPHY1 [ 16.732727] [drm] Connector 1: [ 16.732728] [drm] DP-1 [ 16.732729] [drm] HPD3 [ 16.732730] [drm] DDC: 0x6440 0x6440 0x6444 0x6444 0x6448 0x6448 0x644c 0x644c [ 16.732731] [drm] Encoders: [ 16.732731] [drm] DFP1: INTERNAL_UNIPHY2 [ 16.732732] [drm] Connector 2: [ 16.732733] [drm] HDMI-A-1 [ 16.732734] [drm] HPD1 [ 16.732735] [drm] DDC: 0x6430 0x6430 0x6434 0x6434 0x6438 0x6438 0x643c 0x643c [ 16.732735] [drm] Encoders: [ 16.732736] [drm] DFP2: INTERNAL_UNIPHY2 [ 16.732737] [drm] Connector 3: [ 16.732738] [drm] VGA-1 [ 16.732739] [drm] DDC: 0x64d8 0x64d8 0x64dc 0x64dc 0x64e0 0x64e0 0x64e4 0x64e4 [ 16.732739] [drm] Encoders: [ 16.732740] [drm] CRT1: INTERNAL_KLDSCP_DAC1