Re: [Linux-fbdev-devel] [PATCH] nvidiafb: allow ignoring EDID info

On 2/4/07, Luca Tettamanti [off-list ref] wrote:

Giuseppe, can you send me the EDID block of your monitor?

I'd gladly do it, if I knew how to retrieve it ... because apparently,
get-edid doesn't work, even though both the nv driver for X and
nvidiafb manage to retrieve it.

This is the output from get-edid

"""
get-edid: get-edid version 1.4.1

	Performing real mode VBE call
	Interrupt 0x10 ax=0x4f00 bx=0x0 cx=0x0
	Function supported
	Call successful

	VBE version 300
	VBE string at 0x11110 "NVidia"

VBE/DDC service about to be called
	Report DDC capabilities

	Performing real mode VBE call
	Interrupt 0x10 ax=0x4f15 bx=0x0 cx=0x0
	Function supported
	Call successful

	Monitor and video card combination does not support DDC1 transfers
	Monitor and video card combination does not support DDC2 transfers
	0 seconds per 128 byte EDID block transfer
	Screen is not blanked during DDC transfer

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
	Function supported
	Call failed

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

Anything else I can try?

-- 
Giuseppe "Oblomov" Bilotta