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EDID/1080p issue - Printable Version

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+---- Thread: EDID/1080p issue (/showthread.php?tid=79935)



EDID/1080p issue - Doood - 2010-08-30

I'm running the latest nightly, and latest crystal driver on a USB linux image.

I'm trying to get it to get 1080p output. I seem to be stuck at 720p. I am connecting with HDMI. The TV has 1080p capabilities. Also I have a receiver that will take in any res, and upscale/downscale as needed. Connecting direct to TV or receiver behave the same way. I tried to use get-edid, and it doesn't work:

xbmc@AppleTV:~$ sudo get-edid
get-edid: get-edid version 1.4.1

Performing real mode VBE call
Interrupt 0x10 ax=0x4f00 bx=0x0 cx=0x0
Int 0x10 is not in rom (0000:0000)
Error: something went wrong performing real mode interrupt
Function unsupported
Call failed

VBE version 0
VBE string at 0x0 ""

VBE/DDC service about to be called
Report DDC capabilities

Performing real mode VBE call
Interrupt 0x10 ax=0x4f15 bx=0x0 cx=0x0
Int 0x10 is not in rom (0000:0000)
Error: something went wrong performing real mode interrupt
Function unsupported
Call failed

Reading next EDID block

VBE/DDC service about to be called
Read EDID

Performing real mode VBE call
Interrupt 0x10 ax=0x4f15 bx=0x1 cx=0x0
Int 0x10 is not in rom (0000:0000)
Error: something went wrong performing real mode interrupt
Function unsupported
Call failed

The EDID data should not be trusted as the VBE call failed
Error: output block unchanged


What should I try next? Can I get an EDID from somewhere that has 1080p in it that I can use to bypass this? Thanks!


- davilla - 2010-08-30

Doood Wrote:I'm running the latest nightly, and latest crystal driver on a USB linux image.

I'm trying to get it to get 1080p output. I seem to be stuck at 720p. I am connecting with HDMI. The TV has 1080p capabilities. Also I have a receiver that will take in any res, and upscale/downscale as needed. Connecting direct to TV or receiver behave the same way. I tried to use get-edid, and it doesn't work:

xbmc@AppleTV:~$ sudo get-edid
get-edid: get-edid version 1.4.1

Performing real mode VBE call
Interrupt 0x10 ax=0x4f00 bx=0x0 cx=0x0
Int 0x10 is not in rom (0000:0000)
Error: something went wrong performing real mode interrupt
Function unsupported
Call failed

VBE version 0
VBE string at 0x0 ""

VBE/DDC service about to be called
Report DDC capabilities

Performing real mode VBE call
Interrupt 0x10 ax=0x4f15 bx=0x0 cx=0x0
Int 0x10 is not in rom (0000:0000)
Error: something went wrong performing real mode interrupt
Function unsupported
Call failed

Reading next EDID block

VBE/DDC service about to be called
Read EDID

Performing real mode VBE call
Interrupt 0x10 ax=0x4f15 bx=0x1 cx=0x0
Int 0x10 is not in rom (0000:0000)
Error: something went wrong performing real mode interrupt
Function unsupported
Call failed

The EDID data should not be trusted as the VBE call failed
Error: output block unchanged


What should I try next? Can I get an EDID from somewhere that has 1080p in it that I can use to bypass this? Thanks!

the nvidia control has a way to get the EDID. get-edid is trying to use BIOS calls to get it and guess what, the AppleTV does not have a BIOS, it's pure EFI.


- JaccoH - 2011-12-10

@davilla

Any clues on how to do that?


- davilla - 2011-12-10

I bet the nvidia configure tool can do it...