<div dir="ltr"><div>I booted up into the install with fglrx installed, looked through the settings and found where the screen was being set to YCbCr, and set it to RGB. On rebooting my green tinged screen was gone.<br><br></div>Thanks for your help.<br></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature"><div dir="ltr">Owen Riddy<br>Email: <a href="mailto:owen.riddy@gmail.com" target="_blank">owen.riddy@gmail.com</a><br>Mobile: 040 163 2663<br><br>--<br></div></div></div> <br><div class="gmail_quote">On 20 May 2015 at 19:26, Owen Riddy <span dir="ltr"><<a href="mailto:owen.riddy@gmail.com" target="_blank">owen.riddy@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="HOEnZb"><div class="h5"><div dir="ltr"><br><div class="gmail_quote"><div dir="ltr"><div><div><div>Thanks for that. So my problem has narrowed down a bit (it still happens but I can fix it by changing the input colour format using the buttons on the side of the screen). The screen switches to use YCbCr input format:<br><br></div>** When the computer is booted up<br>** When I log in using kdm <br>** When the screen switches off after a period of inactivity<br><br></div>I've used this screen for more than a year and it hasn't happened before. Is there any reason that the driver might set the input colour format to YCbCr, or is it possible for a Radeon card to set a hint for input colour format that could persist across a reboot?<br><br><br></div>I'll try with the 4.1 kernel and see if anything changes.<br></div><div class="gmail_extra"><span><br clear="all"><div><div><div dir="ltr">Owen Riddy<br>Email: <a href="mailto:owen.riddy@gmail.com" target="_blank">owen.riddy@gmail.com</a><br>Mobile: 040 163 2663<br><br>--<br></div></div></div> <br></span><div><div><div class="gmail_quote">On 19 May 2015 at 23:21, Alex Deucher <span dir="ltr"><<a href="mailto:alexdeucher@gmail.com" target="_blank">alexdeucher@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span>On Mon, May 18, 2015 at 4:32 AM, Owen Riddy <<a href="mailto:owen.riddy@gmail.com" target="_blank">owen.riddy@gmail.com</a>> wrote:<br> > No worries.<br> ><br> > It turns out that the problem was the "Color Format" of my screen. Dunno<br> > what that is, but it was configuring poorly and the open source driver seems<br> > happier when it is set to RGB rather than YCbCr. Maybe Catalyst is a bit<br> > more forgiving or maybe there is some configuration issue here I don't<br> > understand.<br> ><br> > My problem is solved; there may still be a minor bug here in how the<br> > auto-configuration of the driver works.<br> <br> </span>The open source driver does not support YCbCr at the moment.<br> <span><font color="#888888"><br> Alex<br> </font></span><span><br> ><br> > Owen Riddy<br> > Email: <a href="mailto:owen.riddy@gmail.com" target="_blank">owen.riddy@gmail.com</a><br> > Mobile: 040 163 2663<br> ><br> > --<br> ><br> > On 18 May 2015 at 17:41, Michel Dänzer <<a href="mailto:michel@daenzer.net" target="_blank">michel@daenzer.net</a>> wrote:<br> >><br> >> On 18.05.2015 16:28, Owen Riddy wrote:<br> >> > I have not, but if I reboot the computer to an install of Jessie using<br> >> > fglrx the tinge is not present; and it appeared shortly after updating<br> >> > to Jessie + unstable. I'll try a few things with the cable & report back<br> >> > if any of them have an impact, but the fglrx test suggests this problem<br> >> > is 100% fixable in software.<br> >><br> >> I guess I misunderstood the comments about fglrx in your original<br> >> report. I agree it's probably a software bug then, though it's more<br> >> likely in the kernel driver than in the Xorg driver.<br> >><br> >><br> >> --<br> >> Earthling Michel Dänzer | <a href="http://www.amd.com" target="_blank">http://www.amd.com</a><br> >> Libre software enthusiast | Mesa and X developer<br> ><br> ><br> ><br> </span><div><div>> _______________________________________________<br> > xorg-driver-ati mailing list<br> > <a href="mailto:xorg-driver-ati@lists.x.org" target="_blank">xorg-driver-ati@lists.x.org</a><br> > <a href="http://lists.x.org/mailman/listinfo/xorg-driver-ati" target="_blank">http://lists.x.org/mailman/listinfo/xorg-driver-ati</a><br> ><br> </div></div></blockquote></div><br></div></div></div> </div><br></div> </div></div></blockquote></div><br></div>