<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_RESOLVED bz_closed" title="RESOLVED NOTABUG - 4k monitor edid rejected: EDID timing clock 297.00 exceeds claimed max 115MHz, fixing" href="https://bugs.freedesktop.org/show_bug.cgi?id=82102#c8">Comment # 8</a> on <a class="bz_bug_link bz_status_RESOLVED bz_closed" title="RESOLVED NOTABUG - 4k monitor edid rejected: EDID timing clock 297.00 exceeds claimed max 115MHz, fixing" href="https://bugs.freedesktop.org/show_bug.cgi?id=82102">bug 82102</a> from <a class="email" href="mailto:sroland@vmware.com" title="Roland Scheidegger <sroland@vmware.com>"> Roland Scheidegger</a> <pre>(In reply to <a href="show_bug.cgi?id=82102#c7">comment #7</a>) > (In reply to <a href="show_bug.cgi?id=82102#c6">comment #6</a>) > > You GPU does not support 4k over HDMI. > The specs at AMD claim this GPU does HDMI 1.4a 2 lanes of 340 Mhz dot clock > each for a total of 640 Mhz. Even if only one lane is populated on this > card, that should still be 340 Mhz. The modeline only asks for 297 Mhz. Where to they claim that? I think you've been successfully fooled by the HDMI forum, which allows anyone to implement some boring subfeatures noone is interested in and leave out the only thing important, namely higher frequencies, and still claiming newer standards (1.4 in this case) compliance regardless (for receiver devices which don't have such a high resolution this actually even makes sense). But don't worry AMD isn't the only one with "hdmi 1.4" and not supporting higher frequencies. In fact AMD clearly states max resolution over hdmi is 1920x1200. <a href="http://www.amd.com/en-gb/products/graphics/desktop/6000/6450">http://www.amd.com/en-gb/products/graphics/desktop/6000/6450</a># unless you've found some other doc... And yes low refresh rates are always a way around that, I think it's typically not mentioned because it may not work (some monitors really might not like it).</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>