I have a Raspberry Pi running Raspbmc connected through HDMI to a dumb HDTV. (Does not support HDMI-CEC).
If I power on both the TV (both at source and display through remote) and Raspbmc at the same time then it all works fine.
If I power on the Raspbmc and TV, but the TV display is not turned on. Sometime later I use the TV remote to power on the TV display, then I get a blank display on TV through HDMI. This is not the screensaver because using a XBMC remote does not change anything. The Raspbmc is active though, because I can ping it and connect to it using SSH.
Is there a setting in Raspbmc I can change so that it always turns on HDMI, no matter if the TV display is on or off?