Bug#627554: xserver-xorg-video-radeon: HD 5750 3rd screen displays interesting psychedelic colour swirl pattern covering whole screen
On Sun, May 22, 2011 at 3:37 PM, Tim Wootton <tim@tee-jay.demon.co.uk> wrote:
> On 22/05/11 00:06, Alex Deucher wrote:
>
>> Not a bug. Only 2 non-DP monitors are supported since there are only
>> two plls. If you want 3 or more monitors the rest have to be DP. The
>> fact that you can make it work with some fiddling is pure luck and is
>> completely unsupported. You end up with one of the plls driving two
>> monitors which only works if both monitors have the same clock and you
>> get the ordering right.
>
> Switched HDMI for DP, so now running 2 x DVI and 1 x DP, I get exactly the
> same symptoms.
Are you using native DP or a DP to HDMI converter? If you are using a
converter, is it an active or passive converter? If it's passive,
you'll have the same limitation as before.
Alex
>
>>
>> Alex
>>
>
>
Reply to: