Triode wrote: 
> Thanks - is there any output before the bit you posted from the dmesg. 
> For interest here's my panasonic TV:
> I'm really trying to get a feel for whether there is a common format
> which we can find which works on all TVs.  Is it possible there's a CEA
> format list higher up the dmesg you posted?

Sure, I just cut the output to what I though it was relevant (obviously
I have no idea), here's the complete output:


Code:
--------------------
    
  [  147.447528] cea extent revision 3
  [  147.450889] CEA underscan 1
  [  147.454677] CEA basicaudio 1
  [  147.457577] CEA ycbcr444 1
  [  147.460322] CEA ycbcr422 1
  [  147.463042] CEA Short desc timmings
  [  147.467120] Tagcode 2 Len 11
  [  147.470042] Support CEA Format #16
  [  147.473459] Support CEA Format #31
  [  147.477375] Support CEA Format #4
  [  147.480731] Support CEA Format #19
  [  147.484619] Support CEA Format #5
  [  147.487953] Support CEA Format #20
  [  147.491392] Support CEA Format #3
  [  147.495217] Support CEA Format #18
  [  147.498659] Support CEA Format #32
  [  147.502077] Tagcode 1 Len 3
  [  147.505561] Audio Format Descriptor :  1
  [  147.509527] Max Number of Channels  :  2
  [  147.513466] Sample Rates            : 07
  [  147.517910] Sample Sizes            : 07
  [  147.521877] Tagcode 4 Len 3
  [  147.525122] Speaker Alloc           : 01
  [  147.529090] Tagcode 7 Len 2
  [  147.531897] Not handle block, tagcode = 0x7
  [  147.536601] Tagcode 7 Len 3
  [  147.539436] Not handle block, tagcode = 0x7
  [  147.543637] Tagcode 3 Len 18
  [  147.547016] VSD hdmi capability 1
  [  147.550371] VSD support ai 1
  [  147.553265] VSD support deep color 48bit 0
  [  147.558168] VSD support deep color 36bit 1
  [  147.562307] VSD support deep color 30bit 1
  [  147.566865] VSD support deep color y444 1
  [  147.570915] VSD support dvi dual 0
  [  147.574783] VSD MAX TMDS CLOCK RATE 225
  [  147.578661] VSD cnc0 0
  [  147.581033] VSD cnc1 0
  [  147.583402] VSD cnc2 0
  [  147.586290] VSD cnc3 0
  [  147.588690] latency_present 0
  [  147.591671] I_latency_present 0
  [  147.595301] hdmi_video_present 1
  [  147.598569] hdmi_3d_present 1
  [  147.601550] hdmi_3d_multi_present 2
  [  147.605640] hdmi_vic_len 0
  [  147.608447] hdmi_3d_len 8
  [  147.611105] HDMI 3d struct all =0x140
  [  147.615259] HDMI 3d mask all =0x73f
  [  147.618787] Support 3D video format
  [  147.622298] vic_order_2d=4, 3d_struct=0, 3d_detail=0x0
  [  147.627951] vic_order_2d=5, 3d_struct=0, 3d_detail=0x0
  [  147.633137] vic_order_2d=9, 3d_struct=0, 3d_detail=0x0
  [  147.638785] vic_order_2d=10, 3d_struct=0, 3d_detail=0x0
  [  147.644411] CEA long desc timmings
  [  147.647832] Aspect ratio: 16:9
  [  147.650921]       148 MHz 1920 2448 2492 2640 1080 1084 1089 1125 +HSync 
+VSync
  [  147.657584]
  [  147.660507] Aspect ratio: 16:9
  [  147.663579]       74 MHz 1280 1720 1760 1980 720 725 730 750 +HSync +VSync
  [  147.669603]
  [  147.672425] Aspect ratio: 16:9
  [  147.675529]       74 MHz 1920 2448 2492 2640 540 542 547 562 +HSync +VSync
  [  147.681499]
  [  147.684363] EDID read returned : 0
  [  147.688108] mxc_hdmi mxc_hdmi: same edid
  
--------------------


I can connect the wandboard to other TVs and post messages also if it
might be of help to you.


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