| Bug ID | 106191 |
|---|---|
| Summary | Failure to recognize DisplayPort signal |
| Product | DRI |
| Version | DRI git |
| Hardware | x86-64 (AMD64) |
| OS | Linux (All) |
| Status | NEW |
| Severity | major |
| Priority | medium |
| Component | DRM/Radeon |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | francois.jacques@gmail.com |
Created attachment 139004 [details]
callstack from DRM/radeon
DRM/radeon fails with in drm_dp_link_rate_to_bw_code
Driver fails to negotiate video resolution with DP-connected monitor, on any of
4 DP ports.
Controller can drive monitor at 2048x1080 through HDMI adapter. Straight DP
cable only works in console (low-res)
Disconnecting power cable from monitor for 5 minutes trick doesn't help ;)
Video controller: FirePro v8800 ChipID 0x6888 (see hardware.txt for details, 4
DPs)
DP monitor: Dell U2717DA
Workstation: HP xw8600
Kernel messages with backtrace: see var_log_messages_excerpt.txt
Max res supported by monitor: 1440p (see Xorg.0.log)
You are receiving this mail because:
- You are the assignee for the bug.
_______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
