<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_CLOSED bz_closed" title="CLOSED FIXED - Black/blank screen at boot (last message line: fb: switching to inteldrmfb from EFI VGA) unless i915.modeset=0 is set" href="https://bugs.freedesktop.org/show_bug.cgi?id=105549#c46">Comment # 46</a> on <a class="bz_bug_link bz_status_CLOSED bz_closed" title="CLOSED FIXED - Black/blank screen at boot (last message line: fb: switching to inteldrmfb from EFI VGA) unless i915.modeset=0 is set" href="https://bugs.freedesktop.org/show_bug.cgi?id=105549">bug 105549</a> from <a class="email" href="mailto:jani.nikula@intel.com" title="Jani Nikula <jani.nikula@intel.com>"> Jani Nikula</a> <pre>Thanks for the follow-up everyone. Using the intel_vbt_decode tool on the VBT dumps here, I get the diff: --- i915_vbt.1.1.9.txt 2018-04-18 10:36:39.221391894 +0300 +++ i915_vbt.1.2.3.txt 2018-04-18 10:36:48.840968824 +0300 @@ -3,7 +3,7 @@ VBT version: 0x0064 (1.0) VBT header size: 0x0030 (48) VBT size: 0x1159 (4441) - VBT checksum: 0x9a + VBT checksum: 0x99 BDB offset: 0x00000030 (48) BDB header: @@ -126,7 +126,7 @@ Port: 0x07 (DP-B) AIM I2C pin: 0x00 AIM Slave address: 0x00 - DDC pin: 0x01 + DDC pin: 0x05 EDID buffer ptr: 0x00 DVO config: 0x00 HPD sense invert: no @@ -179,7 +179,7 @@ Port: 0x08 (DP-C) AIM I2C pin: 0x00 AIM Slave address: 0x00 - DDC pin: 0x02 + DDC pin: 0x04 EDID buffer ptr: 0x00 DVO config: 0x00 HPD sense invert: no We'll still carry the patch upstream of course; we better not oops on bogus VBT data.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>