[alsa-devel] [RFC/RFT v2 0/4] ALSA: hda - hdmi: ATI/AMD multi-channel and HBR support

[Olivier Langlois]

> >> No need to go to extraordinary lengths to get it, though :)
> >>
> > Anssi,
> > 
> > Here is the EDID from Xorg.0.log:
> > 
> > [511268.796] (II) fglrx(0): EDID (in hex):
> > [511268.797] (II) fglrx(0):     00ffffffffffff00412f000001010101
> > [511268.797] (II) fglrx(0):     00110103806e3e782ad7b3ae51509423
> > [511268.797] (II) fglrx(0):     0c4a4721080081800101010101010101
> > [511268.797] (II) fglrx(0):     010101010101023a801871382d40582c
> > [511268.797] (II) fglrx(0):     45004e6c4200001e011d8018711c1620
> > [511268.797] (II) fglrx(0):     582c25004e6c4200009e000000fd0017
> > [511268.797] (II) fglrx(0):     3d0f450f000a202020202020000000fc
> > [511268.797] (II) fglrx(0):     0053432d303954580a202020202001c4
> > 
> > I'm seeing the monitor_name ok. Unfortunately, it doesn't dump the
> > extension that byte 126 indicates to be present. (the CEA EDID Timing
> > Extension with the SADs ?) to validate the rest of the content
> > of /proc/asound/cardX/eld#0.0.
> > 
> > Is there any other way to get the EDID data?
> 
> With direct VBE BIOS calls, e.g. with this:
> http://gitweb.mageia.org/software/monitor-edid/
> 
> monitor-get-edid -v --try-in-console --max-vbe-port 6 > edid.bin
> (or --vbe-port X if multiple monitors)
> 
> or directly with the C tool (X=0..6):
> monitor-get-edid-using-vbe -v --try-in-console --port X > edid.bin
> 
> However, I don't know if fglrx interferes with it (I know nvidia
> proprietary driver doesn't/didn't).
> 
No luck. This gives me the same info:

lano1106 at whippet2 ~/dev/monitor-edid :( $
sudo ./monitor-get-edid-using-vbe -v --try-in-console > edid.bin
[sudo] password for lano1106: 
VBE version: 3.0, oem version = 15.25
Memory: 16384k
OEM name: 
Vendor name: 
Product name: 
Product revision: 
Port 0:
  DDC1 not supported
  DDC2 supported
  Screen not blanked during data transfer
  Time to transfer one EDID block: 1 sec (rounded up)
EDID: Extension block 1 is identical to main EDID block, stopping
retrieval
lano1106 at whippet2 ~/dev/monitor-edid $ hexdump edid.bin 
0000000 ff00 ffff ffff 00ff 2f41 0000 0101 0101
0000010 1100 0301 6e80 783e d72a aeb3 5051 2394
0000020 4a0c 2147 0008 8081 0101 0101 0101 0101
0000030 0101 0101 0101 3a02 1880 3871 402d 2c58
0000040 0045 6c4e 0042 1e00 1d01 1880 1c71 2016
0000050 2c58 0025 6c4e 0042 9e00 0000 fd00 1700
0000060 0f3d 0f45 0a00 2020 2020 2020 0000 fc00
0000070 5300 2d43 3930 5854 200a 2020 2020 c401
0000080


My receiver is maybe too old for CEA ext v3 with SADs. I bought it in
2008 and maybe it has been manufactured in 2007. It is a Pioneer.