X-Git-Url: https://git.karo-electronics.de/?a=blobdiff_plain;f=doc%2FREADME.video;h=d0a3ad6e8d455f52843778a93aa7a760f66c1b65;hb=c6887e16b49b40f5753a9d3b768ca694a01415fd;hp=cfe6318e127ba8f6b6b830b17add92736b8b5481;hpb=2dae800f1e6193b64ba587f511c4878c89409cbe;p=karo-tx-uboot.git diff --git a/doc/README.video b/doc/README.video index cfe6318e12..d0a3ad6e8d 100644 --- a/doc/README.video +++ b/doc/README.video @@ -50,10 +50,15 @@ The sunxi u-boot driver supports the following video-mode options: - hpd=[0|1] - Enable use of the hdmi HotPlug Detect feature 0: Disabled. Configure dvi/hdmi output even if no cable is detected - 1: Enabled. If a LCD has been configured fallback to the LCD when no cable is - detected, if no LCD is configured, disable video ouput. + 1: Enabled. Fallback to the lcd / vga / none in that order (if available) Defaults to hpd=1. +- hpd_delay= - How long to wait for the hdmi HPD signal in milliseconds + When the monitor and the board power up at the same time, it may take some + time for the monitor to assert the HPD signal. This configures how long to + wait for the HPD signal before assuming no cable is connected. + Defaults to hpd_delay=500. + - edid=[0|1] - Enable use of DDC + EDID to get monitor info 0: Disabled. 1: Enabled. If valid EDID info was read from the monitor the EDID info will @@ -62,4 +67,4 @@ The sunxi u-boot driver supports the following video-mode options: For example to always use the hdmi connector, even if no cable is inserted, using edid info when available and otherwise initalizing it at 1024x768@60Hz, -use: video-mode=sunxi:1024x768-24@60,monitor=dvi,hpd=0,edid=1 . +use: "setenv video-mode sunxi:1024x768-24@60,monitor=dvi,hpd=0,edid=1".