https://bugs.freedesktop.org/show_bug.cgi?id=73624
--- Comment #1 from Johannes Obermayr johannesobermayr@gmx.de --- Created attachment 92080 --> https://bugs.freedesktop.org/attachment.cgi?id=92080&action=edit Xorg.0.log with xf86-video-ast
xf86-video-ast seems to be better:
[ 30.563] (II) AST(0): EDID (in hex): [ 30.563] (II) AST(0): 00ffffffffffff0009d10b7945540000 [ 30.563] (II) AST(0): 291201030e2f1a782e3585a656489a24 [ 30.563] (II) AST(0): 125054a56bba710081008140950f8180 [ 30.563] (II) AST(0): 9500b3000101944380907238284080c8 [ 30.563] (II) AST(0): 3500dc0c1100001e000000ff00414138 [ 30.563] (II) AST(0): 31313033393032360a20000000fd0032 [ 30.563] (II) AST(0): 4c1e5e15000a202020202020000000fc [ 30.563] (II) AST(0): 0042656e5120453232303048440a00f8 [ 30.563] (II) AST(0): EDID vendor "BNQ", prod id 30987