[Bug 71871] Dell Latitude E7440 docking station merges DVI and DP dual display into DP2

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Tue Mar 11 09:32:51 PDT 2014


https://bugzilla.kernel.org/show_bug.cgi?id=71871

--- Comment #3 from Mike <mikopp at gmail.com> ---
I just updated to 3.13.5, this still happens but now everything gets emrged
into DP1 which is a clone of HDMI2, there is no DP2

Screen 0: minimum 320 x 200, current 3840 x 1200, maximum 32767 x 32767
eDP1 connected 1920x1080+1920+0 (0x47) normal (normal left inverted right x
axis y axis) 309mm x 174mm
        Identifier: 0x42
        Timestamp:  211936
        Subpixel:   unknown
        Gamma:      1.0:1.0:1.0
        Brightness: 1.0
        Clones:    
        CRTC:       1
        CRTCs:      1 0 2
        Transform:  1.000000 0.000000 0.000000
                    0.000000 1.000000 0.000000
                    0.000000 0.000000 1.000000
                   filter: 
        EDID: 
                00ffffffffffff0030e4ea0300000000
                00170104951f1178028545a45a54a127
                0c505400000001010101010101010101
                0101010101012e3680a070381f403024
                350035ae1000001a2e3680a070381f40
                3024350035ae1000001a000000fe0038
                39343646803134305746310a00000000
                000041219e010000000a010a20200062
        BACKLIGHT: 53 
                range: (0, 100)
        Backlight: 53 
                range: (0, 100)
        scaling mode: Full aspect 
                supported: None, Full, Center, Full aspect
        Broadcast RGB: Automatic 
                supported: Automatic, Full, Limited 16:235
        audio: auto 
                supported: force-dvi, off, auto, on
  1920x1080 (0x47)  138.7MHz +HSync -VSync *current +preferred
        h: width  1920 start 1968 end 2004 total 2080 skew    0 clock   66.7KHz
        v: height 1080 start 1083 end 1088 total 1111           clock   60.0Hz
  1400x1050 (0xb2)  122.0MHz +HSync +VSync
        h: width  1400 start 1488 end 1640 total 1880 skew    0 clock   64.9KHz
        v: height 1050 start 1052 end 1064 total 1082           clock   60.0Hz
  1280x1024 (0xb3)  108.0MHz +HSync +VSync
        h: width  1280 start 1328 end 1440 total 1688 skew    0 clock   64.0KHz
        v: height 1024 start 1025 end 1028 total 1066           clock   60.0Hz
  1280x960 (0xb4)  108.0MHz +HSync +VSync
        h: width  1280 start 1376 end 1488 total 1800 skew    0 clock   60.0KHz
        v: height  960 start  961 end  964 total 1000           clock   60.0Hz
  1024x768 (0xb5)   65.0MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1344 skew    0 clock   48.4KHz
        v: height  768 start  771 end  777 total  806           clock   60.0Hz
  800x600 (0xb6)   40.0MHz +HSync +VSync
        h: width   800 start  840 end  968 total 1056 skew    0 clock   37.9KHz
        v: height  600 start  601 end  605 total  628           clock   60.3Hz
  800x600 (0xb7)   36.0MHz +HSync +VSync
        h: width   800 start  824 end  896 total 1024 skew    0 clock   35.2KHz
        v: height  600 start  601 end  603 total  625           clock   56.2Hz
  640x480 (0xb8)   25.2MHz -HSync -VSync
        h: width   640 start  656 end  752 total  800 skew    0 clock   31.5KHz
        v: height  480 start  490 end  492 total  525           clock   59.9Hz
HDMI1 disconnected (normal left inverted right x axis y axis)
        Identifier: 0x43
        Timestamp:  211936
        Subpixel:   unknown
        Clones:    
        CRTCs:      1 0 2
        Transform:  1.000000 0.000000 0.000000
                    0.000000 1.000000 0.000000
                    0.000000 0.000000 1.000000
                   filter: 
        Broadcast RGB: Automatic 
                supported: Automatic, Full, Limited 16:235
        audio: auto 
                supported: force-dvi, off, auto, on
DP1 connected primary 1920x1200+0+0 (0x48) normal (normal left inverted right x
axis y axis) 519mm x 320mm
        Identifier: 0x44
        Timestamp:  211936
        Subpixel:   unknown
        Gamma:      1.0:1.0:1.0
        Brightness: 1.0
        Clones:     HDMI2
        CRTC:       0
        CRTCs:      1 0 2
        Transform:  1.000000 0.000000 0.000000
                    0.000000 1.000000 0.000000
                    0.000000 0.000000 1.000000
                   filter: 
        EDID: 
                00ffffffffffff0010ac2ba053333532
                2b130104a534207822b325ac5130b426
                105054a54b008180a940714f01010101
                010101010101283c80a070b023403020
                360007402100001a000000ff00473238
                364839414a323533530a000000fc0044
                454c4c20323430385746500a000000fd
                00384c1e5311010a20202020202000bd
        Broadcast RGB: Automatic 
                supported: Automatic, Full, Limited 16:235
        audio: auto 
                supported: force-dvi, off, auto, on
  1920x1200 (0x48)  154.0MHz +HSync -VSync *current +preferred
        h: width  1920 start 1968 end 2000 total 2080 skew    0 clock   74.0KHz
        v: height 1200 start 1203 end 1209 total 1235           clock   60.0Hz
  1600x1200 (0xb9)  162.0MHz +HSync +VSync
        h: width  1600 start 1664 end 1856 total 2160 skew    0 clock   75.0KHz
        v: height 1200 start 1201 end 1204 total 1250           clock   60.0Hz
  1280x1024 (0xba)  135.0MHz +HSync +VSync
        h: width  1280 start 1296 end 1440 total 1688 skew    0 clock   80.0KHz
        v: height 1024 start 1025 end 1028 total 1066           clock   75.0Hz
  1280x1024 (0xb3)  108.0MHz +HSync +VSync
        h: width  1280 start 1328 end 1440 total 1688 skew    0 clock   64.0KHz
        v: height 1024 start 1025 end 1028 total 1066           clock   60.0Hz
  1152x864 (0xbb)  108.0MHz +HSync +VSync
        h: width  1152 start 1216 end 1344 total 1600 skew    0 clock   67.5KHz
        v: height  864 start  865 end  868 total  900           clock   75.0Hz
  1024x768 (0xbc)   78.8MHz +HSync +VSync
        h: width  1024 start 1040 end 1136 total 1312 skew    0 clock   60.1KHz
        v: height  768 start  769 end  772 total  800           clock   75.1Hz
  1024x768 (0xb5)   65.0MHz -HSync -VSync
        h: width  1024 start 1048 end 1184 total 1344 skew    0 clock   48.4KHz
        v: height  768 start  771 end  777 total  806           clock   60.0Hz
  800x600 (0xbd)   49.5MHz +HSync +VSync
        h: width   800 start  816 end  896 total 1056 skew    0 clock   46.9KHz
        v: height  600 start  601 end  604 total  625           clock   75.0Hz
  800x600 (0xb6)   40.0MHz +HSync +VSync
        h: width   800 start  840 end  968 total 1056 skew    0 clock   37.9KHz
        v: height  600 start  601 end  605 total  628           clock   60.3Hz
  640x480 (0xbe)   31.5MHz -HSync -VSync
        h: width   640 start  656 end  720 total  840 skew    0 clock   37.5KHz
        v: height  480 start  481 end  484 total  500           clock   75.0Hz
  640x480 (0xbf)   25.2MHz -HSync -VSync
        h: width   640 start  656 end  752 total  800 skew    0 clock   31.5KHz
        v: height  480 start  490 end  492 total  525           clock   60.0Hz
  720x400 (0xc0)   28.3MHz -HSync +VSync
        h: width   720 start  738 end  846 total  900 skew    0 clock   31.5KHz
        v: height  400 start  412 end  414 total  449           clock   70.1Hz
HDMI2 disconnected (normal left inverted right x axis y axis)
        Identifier: 0x45
        Timestamp:  211936
        Subpixel:   unknown
        Clones:     DP1
        CRTCs:      1 0 2
        Transform:  1.000000 0.000000 0.000000
                    0.000000 1.000000 0.000000
                    0.000000 0.000000 1.000000
                   filter: 
        Broadcast RGB: Automatic 
                supported: Automatic, Full, Limited 16:235
        audio: auto 
                supported: force-dvi, off, auto, on

this is in dmesg:

[    1.802111] [drm] Initialized drm 1.1.0 20060810
[    2.010200] [drm] Memory usable by graphics device = 2048M
[    2.046585] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    2.046586] [drm] Driver supports precise vblank timestamp query.
[    2.132968] fbcon: inteldrmfb (fb0) is primary device
[    3.713031] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
[    4.603655] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP,
aborting
[    4.683128] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[    4.896584] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor
0
[    5.611472] [drm:intel_dp_complete_link_train] *ERROR* failed to train DP,
aborting
[  216.632091] [drm:ring_stuck] *ERROR* Kicking stuck wait on blitter ring
[  216.632098] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[  216.632100] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[  216.632101] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[  216.632103] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[  216.632104] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.

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