On Wed, Jun 25, 2008 at 10:50 AM, Jhih-Sin Chen <[EMAIL PROTECTED]> wrote: > On Wed, Jun 25, 2008 at 10:26 PM, Alex Deucher <[EMAIL PROTECTED]> wrote: >> On Wed, Jun 25, 2008 at 9:56 AM, Jhih-Sin Chen <[EMAIL PROTECTED]> wrote: >>> Hi, >>> >>> I am using Radeon HD 3470 card with xf86-video-ati 6.8.192 on my laptop. >>> I try to implement hotkey function to switch display device. >>> I have set _DOS parameter in ACPI and ask VBIOS to switch display >>> device but it fails. >>> >>> However, the hotkey function can switch display device successfully >>> when I use "vesa" driver. >>> Do you have any suggetion on this issue? Thanks. >> >> It's disabled on purpose. The bios goes behind the driver's back and >> messes with the hardware which can lead to bad state or possibly hw >> locks. You can control the outputs with xrandr so please use that. >> On most laptops you can even change the video hotkey to produce acpi >> events rather than banging the hw directly and then you tie that event >> to a script that runs xrandr commands. >> >> Alex >> > > Hi, > > But I can't use xrandr to swtich display device to HDMI. Is it a > limitation of xrandr or anything wrong? >
what sort of problem are you having? xrandr --output HDMI-0 --auto should do the trick. What does the output of xrandr look like? > So I wanna use VBIOS to switch display device. Could you kindly tell > me how to enabled VBIOS switch function on xf86-video-ati or give a > start point for me to study? Thanks. > The driver doesn't use it. It just disables the use of it. Alex _______________________________________________ xorg-driver-ati mailing list [email protected] http://lists.x.org/mailman/listinfo/xorg-driver-ati
