[Nouveau] [Bug 54512] xrandr does not detect HDMI screen

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=54512

--- Comment #4 from Jean-Louis Dupond <jean-louis at dupond.be> 2012-09-05 05:35:11 UTC ---
When I pull out my HDMI cable, dmesg outputs the following also:
Sep  5 07:33:01 laptop-jl kernel: [  496.934150] [drm:drm_edid_block_valid]
*ERROR* EDID checksum is invalid, remainder is 179
Sep  5 07:33:01 laptop-jl kernel: [  496.934158] Raw EDID:
Sep  5 07:33:01 laptop-jl kernel: [  496.934163]      00 ff ff ff ff ff ff 00
4c 2d 86 04 00 00 00 00
Sep  5 07:33:01 laptop-jl kernel: [  496.934167]      06 13 01 03 80 10 09 78
0a ee 91 a3 54 4c 99 26
Sep  5 07:33:01 laptop-jl kernel: [  496.934169]      0f 50 54 bf ef 80 71 4f
81 40 81 80 a9 40 00 00
Sep  5 07:33:01 laptop-jl kernel: [  496.934172]      00 ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff
Sep  5 07:33:01 laptop-jl kernel: [  496.934175]      ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff
Sep  5 07:33:01 laptop-jl kernel: [  496.934178]      ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff
Sep  5 07:33:01 laptop-jl kernel: [  496.934181]      ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff
Sep  5 07:33:01 laptop-jl kernel: [  496.934183]      ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff
Sep  5 07:33:01 laptop-jl kernel: [  496.935274] [drm] nouveau 0000:01:00.0:
DDC responded, but no EDID for HDMI-A-1
Sep  5 07:33:01 laptop-jl kernel: [  496.991554] [drm] nouveau 0000:01:00.0: no
native mode, forcing panel scaling

And plugin:
Sep  5 07:33:21 laptop-jl kernel: [  517.132141] [drm] nouveau 0000:01:00.0: no
native mode, forcing panel scaling


Xorg.0.log:
Remove cable:
[   496.925] removing GPU device
/sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0 838326512
[   496.925] xf86: remove device 0
/sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0
[   496.925] (II) config/udev: Adding drm device (/dev/dri/card0)


Insert cable:
[   517.017] removing GPU device
/sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0 838070656
[   517.017] xf86: remove device 0
/sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0
[   517.017] (II) config/udev: Adding drm device (/dev/dri/card0)

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