On 5 August 2014 18:56, Glen Ogilvie <[email protected]> wrote: > Hi, > > I've got a problem, that I'd like a little help with getting to the bottom > of... so looking for a little advise. > > I can't get my laptop's displayport output to drive my monitor, using the > free ati driver. It does work on the legacy driver, from ATI, however, that > only works on X <= 1.12, which is no fun to be stuck with, as no current > distro ships old versions of X. I have a 27 inch dell monitor, so using > HDMI is not great option, as it can't drive a high enough resolution to look > sharp, as I want 2560 x 1440. > > I think Bug 45291 is basically the same problem, and I've updated it to > include my hardware as well. > > I am looking for some advise, as to what I can do to help the smart graphics > driver developers here get to the bottom of this.. as it's becoming a pain > for me to live with a 4 year old Distro, or have to replace my laptop, which > is otherwise working great for me. > > I've tried kernel 3.15.6, which is a great improvement, as the power > management seems to work, so the GPU fan's don't run full speed the whole > time, but still have the issues with displayport. > > So, I assume to help, I could provide xorg logs, dmesg, lspci, dmidecode.. > but what else.. in all of these, no where can I see any errors, as the > monitor is detected.. just no output. Trying the same monitor with hdmi, > works, but the resolution is limited, as HDMI can't drive resolutions above > 1920x1200 as far as I know.
file a bug on bugs.freedesktop.org, and attach a boot with drm.debug=6 to start it might be possible to work it out from there. Also the monitor model etc would be good. Dave. _______________________________________________ xorg-driver-ati mailing list [email protected] http://lists.x.org/mailman/listinfo/xorg-driver-ati
