[Bug 86320] Monitor on DisplayPort doesn't wake up

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=86320

--- Comment #2 from Bernhard Rosenkraenzer <bero at lindev.ch> ---
dmesg says

[554729.894304] [drm:radeon_dp_link_train_ce] *ERROR* displayport link status
failed
[554729.894307] [drm:radeon_dp_link_train_ce] *ERROR* channel eq failed
[554729.897695] [drm:radeon_dp_link_train_cr] *ERROR* displayport link status
failed
[554729.897697] [drm:radeon_dp_link_train_cr] *ERROR* clock recovery failed
[555004.704953] [drm:btc_dpm_set_power_state] *ERROR*
rv770_restrict_performance_levels_before_switch failed

Xorg log dumps EDID information multiple times.

[555001.004] (II) RADEON(0): EDID vendor "SAM", prod id 2184
[555001.004] (II) RADEON(0): Using hsync ranges from config file
[555001.004] (II) RADEON(0): Using vrefresh ranges from config file
[555001.004] (II) RADEON(0): Printing DDC gathered Modelines:
[555001.004] (II) RADEON(0): Modeline "2560x1440"x0.0  241.50  2560 2608 2640
2720  1440 1443 1448 1481 +hsync -vsync (88.8 kHz eP)
[555001.004] (II) RADEON(0): Modeline "800x600"x0.0   40.00  800 840 968 1056 
600 601 605 628 +hsync +vsync (37.9 kHz e)
[555001.004] (II) RADEON(0): Modeline "800x600"x0.0   36.00  800 824 896 1024 
600 601 603 625 +hsync +vsync (35.2 kHz e)
[555001.004] (II) RADEON(0): Modeline "640x480"x0.0   31.50  640 656 720 840 
480 481 484 500 -hsync -vsync (37.5 kHz e)
[555001.004] (II) RADEON(0): Modeline "640x480"x0.0   31.50  640 664 704 832 
480 489 492 520 -hsync -vsync (37.9 kHz e)
[555001.004] (II) RADEON(0): Modeline "640x480"x0.0   30.24  640 704 768 864 
480 483 486 525 -hsync -vsync (35.0 kHz e)
[555001.004] (II) RADEON(0): Modeline "640x480"x0.0   25.18  640 656 752 800 
480 490 492 525 -hsync -vsync (31.5 kHz e)
[555001.005] (II) RADEON(0): Modeline "720x400"x0.0   28.32  720 738 846 900 
400 412 414 449 -hsync +vsync (31.5 kHz e)
[555001.005] (II) RADEON(0): Modeline "1280x1024"x0.0  135.00  1280 1296 1440
1688  1024 1025 1028 1066 +hsync +vsync (80.0 kHz e)
[555001.005] (II) RADEON(0): Modeline "1024x768"x0.0   78.75  1024 1040 1136
1312  768 769 772 800 +hsync +vsync (60.0 kHz e)
[555001.005] (II) RADEON(0): Modeline "1024x768"x0.0   75.00  1024 1048 1184
1328  768 771 777 806 -hsync -vsync (56.5 kHz e)
[555001.005] (II) RADEON(0): Modeline "1024x768"x0.0   65.00  1024 1048 1184
1344  768 771 777 806 -hsync -vsync (48.4 kHz e)
[555001.005] (II) RADEON(0): Modeline "832x624"x0.0   57.28  832 864 928 1152 
624 625 628 667 -hsync -vsync (49.7 kHz e)
[555001.005] (II) RADEON(0): Modeline "800x600"x0.0   49.50  800 816 896 1056 
600 601 604 625 +hsync +vsync (46.9 kHz e)
[555001.005] (II) RADEON(0): Modeline "800x600"x0.0   50.00  800 856 976 1040 
600 637 643 666 +hsync +vsync (48.1 kHz e)
[555001.005] (II) RADEON(0): Modeline "1152x864"x0.0  108.00  1152 1216 1344
1600  864 865 868 900 +hsync +vsync (67.5 kHz e)
[555001.005] (II) RADEON(0): Modeline "1280x800"x0.0   83.50  1280 1352 1480
1680  800 803 809 831 -hsync +vsync (49.7 kHz e)
[555001.005] (II) RADEON(0): Modeline "1280x960"x0.0  108.00  1280 1376 1488
1800  960 961 964 1000 +hsync +vsync (60.0 kHz e)
[555001.005] (II) RADEON(0): Modeline "1280x1024"x0.0  108.00  1280 1328 1440
1688  1024 1025 1028 1066 +hsync +vsync (64.0 kHz e)


[This entire block is repeated more than 100 times]

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