<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [BSW] testdisplay shows black screen for HDMI 4K monitor" href="https://bugs.freedesktop.org/show_bug.cgi?id=89002#c3">Comment # 3</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [BSW] testdisplay shows black screen for HDMI 4K monitor" href="https://bugs.freedesktop.org/show_bug.cgi?id=89002">bug 89002</a> from <a class="email" href="mailto:jeff.zheng@intel.com" title="Jeff Zheng <jeff.zheng@intel.com>"> Jeff Zheng</a> <pre>Tried on drm-intel-testing-2015-02-27 + "<a href="attachment.cgi?id=113995" name="attach_113995" title="drm/i915: Setup all page directories for gen8">attachment 113995</a> <a href="attachment.cgi?id=113995&action=edit" title="drm/i915: Setup all page directories for gen8">[details]</a> <a href='page.cgi?id=splinter.html&bug=89002&attachment=113995'>[review]</a>" and this issue still exists. Whatever connect 4K monitor with DP/HDMI, the monitor screen is black after boot. The differenece is that "testdisplay -a" might work sometimes on DP port, meanwhile "testdisplay -a" on HDMI port is always black screen.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>