Re: how to use high resolution display with radeon
Cheng Yutong wrote:
> I'm using an old graphic card on my debian PC, which is HD 6770,
> and these days i've got a new display that support 2k resolution
> but on the Display Setting dialog, btw, my DE is XFCE4, the highest
> resolution is 1920x1200.
This suggests that the monitor is not sending an EDID block that
> i've tried to generate a Modeline with `cvt 2560 1440`,
> # 2560x1440 59.96 Hz (CVT 3.69M9) hsync: 89.52 kHz; pclk: 312.25 MHz
> Modeline "2560x1440_60.00"?? 312.25?? 2560 2752 3024 3488?? 1440 1443 1448
> 1493 -hsync +vsync
I hope it doesn't actually have ? question marks in it.
> and add it to the display, but when set it with `xrandr`, it does not work
> well, i got an error message:
> Input Signal Out ofRange!
> Current Mode:
> ?????? H = 89.6kHz V = 60Hz
> Change Mode to:
> ?????? 1920 x 1200 60Hz
That's the monitor saying it doesn't like 2560x1440. What kind