Hi Alex,
your commit 8131660130d3dc2629a150d47e6a04c8a1a6244b ('drm/radeon/kms:
add support for hw i2c on r1xx-r5xx') breaks LVDS on my PowerBook. It
looks kinda like blooming, though I can actually make out a higly
distorted part of what it's supposed to display, and there's a
panel/backlight blinking around every second or so.
These errors from dmesg might be relevant (nothing's connected to the
DVI connector):
[ 0.355445] [drm] Radeon Display Connectors
[ 0.355473] [drm] Connector 0:
[ 0.355490] [drm] LVDS
[ 0.355509] [drm] DDC: 0x64 0x64 0x64 0x64 0x64 0x64 0x64 0x64
[ 0.355533] [drm] Encoders:
[ 0.355550] [drm] LCD1: INTERNAL_LVDS
[ 0.355570] [drm] Connector 1:
[ 0.355587] [drm] DVI-I
[ 0.355602] [drm] HPD2
[ 0.355620] [drm] DDC: 0x60 0x60 0x60 0x60 0x60 0x60 0x60 0x60
[ 0.355645] [drm] Encoders:
[ 0.355661] [drm] DFP2: INTERNAL_DVO1
[ 0.355681] [drm] CRT1: INTERNAL_DAC1
[ 0.355700] [drm] Connector 2:
[ 0.355716] [drm] S-video
[ 0.355732] [drm] Encoders:
[ 0.355748] [drm] TV1: INTERNAL_DAC2
[ 0.591623] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 0.591652] <3>a1 ff bf bf fd ff ff ff ff ff ff ff fd ff ff ff
................
[ 0.591661] <3>ff ff ff ff ff ef a1 ff ff ff a1 7f ff ff a1 ff
................
[ 0.591669] <3>fb ff a1 ff ff ff a1 ff ff ff a1 fe ff ff a1 ff
................
[ 0.591678] <3>f7 ff ff ff ff ff ff ff ff bf bf ff ff ff ff fd
................
[ 0.591686] <3>ff ff ff ff ef ff ff ff ff a1 ff ff ff a1 ff fb
................
[ 0.591695] <3>ff a1 ff ff ff a1 ff ff ff a1 fe ff ff a1 ff ff
................
[ 0.591704] <3>ff ff ff f7 ff ff ff ff bf bf ff ff ff ff fd ff
................
[ 0.591726] <3>ff ff ff ef ff ff ff ef a1 ff ff ff a1 7f fb ff
................
[ 0.591733]
[ 0.634535] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 0.634559] <3>a1 ff ff ff fd ff ff ff fd ff ff ff ff ef a1 ff
................
[ 0.634568] <3>ff ff a1 7f ff ff a1 ff fb ff a1 ff ff ff a1 ff
................
[ 0.634576] <3>ff df a1 fe ff ff a1 ff ff ff ff ff 08 ff ff ff
................
[ 0.634585] <3>ff bf bf ff ff 00 00 04 10 4e 4e 9c 00 00 00 00
.........NN.....
[ 0.634594] <3>10 a1 0e 0f 01 a1 83 80 20 a1 16 7c 0a a1 87 f5 ........
..|....
[ 0.634602] <3>94 a1 57 4f 8c a1 26 27 50 a1 54 00 00 00 00 01
..WO..&'P.T.....
[ 0.634611] <3>01 01 01 01 01 01 01 01 01 01 01 01 01 01 01 01
................
[ 0.634620] <3>a1 01 01 01 a1 b8 28 a0 a1 40 51 c0 a1 10 30 40
......(....@q...0@
[ 0.634627]
[ 0.676987] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 0.677010] <3>a1 89 ff a1 ff ff ff a1 7f fb ff a1 ff ff ff a1
................
[ 0.677019] <3>ff ff ff a1 fe ff ff a1 ff ff ff ff ff ff ff ff
................
[ 0.677028] <3>ff ff bf bf ff ff ff ff fd ff ff ff ff ef ff ff
................
[ 0.677036] <3>ff ff a1 7f ff ff a1 7f fb ff a1 ff ff ff a1 ff
................
[ 0.677045] <3>ff df a1 fe ff ff a1 ff ff ff ff ff f7 ff ff ff
................
[ 0.677054] <3>ff bf bf ff ff ff ff fd ff ff ff ff ff ff ff ff
................
[ 0.677062] <3>ef a1 ff ff ff a1 7f ff ff a1 ff fb ff a1 ff ff
................
[ 0.677071] <3>ff a1 ff ff ff a1 fe ff ff a1 ff f7 ff ff ff ff
................
[ 0.677078]
[ 0.719430] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 0.719453] <3>a1 ff df a1 ff ff df a1 fe ff ff a1 ff ff ff ff
................
[ 0.719462] <3>ff ff ff ff ff ff bf bf ff ff ff ff fd ff ff ff
................
[ 0.719471] <3>ff ef ff ff ff ff a1 ff ff ff a1 ff fb ff a1 ff
................
[ 0.719479] <3>ff ff a1 ff ff ff a1 fe ff ff a1 ff ff ff ff ff
................
[ 0.719488] <3>f7 ff ff ff ff bf bf ff ff ff ff fd ff ff ff ff
................
[ 0.719497] <3>ef ff ff ff ff a1 ff ff ff a1 7f fb ff a1 ff ff
................
[ 0.719505] <3>ff a1 ff ff df a1 ff ff ff a1 fe ff ff a1 ff f7
................
[ 0.719514] <3>ff ff ff ff ff ff ff ff bf bf fd ff ff ff fd ff
................
[ 0.719521]
[ 0.761872] [drm:edid_is_valid] *ERROR* Raw EDID:
[ 0.761895] <3>a1 ff ff bf bf ff ff ff ff fd ff ff ff ff ef ff
................
[ 0.761904] <3>ff ff ff a1 ff ff ff a1 ff ff ff a1 ff ff ff a1
................
[ 0.761912] <3>ff ff df a1 fe ff ff a1 ff ff ff ff ff f7 ff ff
................
[ 0.761921] <3>ff ff bf bf ff ff ff ff fd ff ff ff ff ef ff ff
................
[ 0.761930] <3>ff ff a1 ff ff ff a1 7f ff ff a1 ff ff ff a1 ff
................
[ 0.761938] <3>ff df a1 ff ff ff a1 fe ff ff a1 ff f7 ff ff ff
................
[ 0.761947] <3>ff bf bf ff ff bf bf fd ff ff ff ff ff ff ff ff
................
[ 0.761956] <3>ef a1 ff ff ff a1 7f ff ff a1 ff fb ff a1 ff ff
................
[ 0.761963]
[ 0.761977] radeon 0000:00:10.0: LVDS-1: EDID invalid.
[ 0.762960] [drm:radeon_dvi_detect] *ERROR* DVI-I-1: probed a monitor but
no|invalid EDID
--
Earthling Michel Dänzer | http://www.vmware.com
Libre software enthusiast | Debian, X and DRI developer
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