Hi,
I have been using nouveau on my laptop (with GeForce GT 540M card) for a
while, and it's been working quite well! Now I am trying to connect my
TV using HDMI port, but wasn't so lucky with that. I would like to know
the current status of HDMI out support for GF108 (NVC1). I am trying
with the latest code from nouveau/master tree (2fee6f5).
When I connect the tv, it's not getting detected by the laptop. I see a
small change in brightness of the laptop screen for a moment and nothing
else. Usually there is nothing in the dmesg as well, but once I saw the
below line.
[ 249.780634] nouveau E[ PDISP][0000:01:00.0] chid 1 mthd 0x0080 data
0x00000000 0x000b5080
But when I removed the HDMI cable, I got the below log.
[ 290.216947] [drm:drm_edid_block_valid] *ERROR* EDID checksum is
invalid, remainder is 130
[ 290.216958] Raw EDID:
[ 290.216964] 00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 290.216968] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 290.216972] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 290.216976] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 290.216981] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 290.216985] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 290.216989] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 290.216993] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 290.218145] nouveau E[ DRM] DDC responded, but no EDID for HDMI-A-1
I tried several times, each time with similar logs when the cable is
plugged out.
[ 374.467404] [drm:drm_edid_block_valid] *ERROR* EDID checksum is
invalid, remainder is 130
[ 374.467414] Raw EDID:
[ 374.467420] 00 ff ff ff ff ff ff 00 ff ff ff ff ff ff ff ff
[ 374.467425] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 374.467429] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 374.467433] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 374.467437] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 374.467441] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 374.467445] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 374.467449] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 374.468604] nouveau E[ DRM] DDC responded, but no EDID for HDMI-A-1
------------------------
[ 171.633395] [drm:drm_edid_block_valid] *ERROR* EDID checksum is
invalid, remainder is 244
[ 171.633407] Raw EDID:
[ 171.633413] 00 ff ff ff ff ff ff 00 1e 6d 01 00 01 01 01 01
[ 171.633417] 01 14 01 03 80 a0 5a 78 0a d9 b0 a3 57 49 9c 25
[ 171.633421] 11 49 4b 20 00 00 01 01 01 01 01 01 01 01 01 01
[ 171.633425] 01 01 01 01 01 01 01 1d 00 72 51 d0 1e 20 6e 28
[ 171.633429] 55 00 c4 8e 21 00 00 1e 8c 0a d0 8a 20 e0 2d 10
[ 171.633433] 10 3e 96 00 13 8e ff ff ff ff ff ff ff ff ff ff
[ 171.633437] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 171.633441] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 171.634517] nouveau E[ DRM] DDC responded, but no EDID for HDMI-A-1
----------------
[ 229.771970] [drm:drm_edid_block_valid] *ERROR* EDID checksum is
invalid, remainder is 201
[ 229.771981] Raw EDID:
[ 229.771988] 00 ff ff ff ff ff ff 00 1e 6d 01 00 01 01 01 01
[ 229.771992] 01 14 01 03 80 a0 5a 78 0a d9 b0 a3 57 49 bf ff
[ 229.771996] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 229.772000] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 229.772004] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 229.772008] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 229.772012] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 229.772016] ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 229.773103] nouveau E[ DRM] DDC responded, but no EDID for HDMI-A-1
I am trying to figure out from code, but any help would be greatly
appreciated! I can post the full logs or .config file if required.
Thanks in advance,
-lijo
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