<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - Asus U38N: Black screen with Radeon driver in Linux" href="https://bugs.freedesktop.org/show_bug.cgi?id=73530#c87">Comment # 87</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - Asus U38N: Black screen with Radeon driver in Linux" href="https://bugs.freedesktop.org/show_bug.cgi?id=73530">bug 73530</a> from <a class="email" href="mailto:sibradzic@gmail.com" title="Samir Ibradžić <sibradzic@gmail.com>"> Samir Ibradžić</a> <pre>Well, forcing radeon_dp_get_dp_lane_number to return 2 did not help in my case (<a class="bz_bug_link bz_status_NEW " title="NEW - Lenovo ThinkPad E455 (Kaveri A10-7300): Blank built-in screen with radeon kms driver" href="show_bug.cgi?id=90320">https://bugs.freedesktop.org/show_bug.cgi?id=90320</a>) which means the bugs aren't necessarily related :| My (unpatched) dmesg shows this DPCD, which seems normal: [drm:radeon_dp_getdpcd] DPCD: 11 0a 02 41 00 00 01 c0 02 00 00 00 00 09 00 (In reply to N.Leiten from <a href="show_bug.cgi?id=73530#c77">comment #77</a>) Can you please provide a sample patch on how did you remove SS management and where did you inserted the delays? My panel may have slightly different spec than U38N, but I have a feeling the problem may be the timings. Still trying to get my hands on the panel data, only could find it @ panelook.com, but don't have 'p-coins' to get the PDF. Does anyone have access to panelook.com?</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>