<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [SKL/KBL] Init time is high" href="https://bugs.freedesktop.org/show_bug.cgi?id=94722#c25">Comment # 25</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [SKL/KBL] Init time is high" href="https://bugs.freedesktop.org/show_bug.cgi?id=94722">bug 94722</a> from <a class="email" href="mailto:luis.botello.ortega@intel.com" title="Luis Botello <luis.botello.ortega@intel.com>"> Luis Botello</a> <pre>I have tested this issue on KBL wit the following config: |=== Software information ===| ++ Kernel version : 4.6.0-rc7-patch-82422+ ++ Linux distribution : Ubuntu 15.10 ++ Architecture : 64-bit ++ xf86-video-intel version : 2.99.917 ++ Xorg-Xserver version : 1.18.99.1 ++ DRM version : 2.4.68 ++ Cairo version : 1.15.2 ++ Intel GPU Tools version : Tag [intel-gpu-tools-1.14-319-gb88bce4] / Commit [b88bce4] ++ Kernel driver in use : i915 ++ Hardware acceleration : ++ Bios revision : 36.2 ++ KSC revision : 1.20 |=== Hardware information ===| ++ Platform : KBL (RVP7) ++ Motherboard model : Kabylake Client platform ++ Motherboard type : Skylake U DDR3L RVP7 Laptop ++ Motherboard manufacturer : Intel Corporation ++ CPU family : Other ++ CPU information : Genuine Intel(R) CPU 0000 @ 2.60GHz ++ GPU Card : Intel Corporation Device 5916 (prog-if 00 [VGA controller]) |== Kernel parameters ==| quiet splash drm.debug=0xe i915.preliminary_hw_support=1 initcall_debug i915.fastboot=1 and i get the following results: results without i915.fastboot=1 module parameter init: [ 1.727641] initcall i915_init+0x0/0x99 [i915] returned 0 after 387249 usecs Suspend: [ 180.621025] call 0000:00:02.0+ returned 0 after 295806 usecs [ 180.621118] PM: suspend of devices complete after 321.303 msecs REsume: [ 180.639935] call 0000:00:02.0+ returned 0 after 13731 usecs [ 180.651224] call 0000:00:02.0+ returned 0 after 1 usecs [ 180.903152] call 0000:00:02.0+ returned 0 after 18360 usecs [ 180.922977] call 0000:00:02.0+ returned 0 after 6197 usecs [ 181.472492] call 0000:00:02.0+ returned 0 after 498686 usecs [ 181.472629] PM: resume of devices complete after 510.904 msecs ====================================================================================== results with i915.fastboot=1 module parameter init: [ 1.718740] initcall i915_init+0x0/0x99 [i915] returned 0 after 385555 usecs Suspend: [ 111.358279] call 0000:00:02.0+ returned 0 after 1214290 usecs [ 111.358384] PM: suspend of devices complete after 1251.146 msecs Resume: [ 111.378979] call 0000:00:02.0+ returned 0 after 15174 usecs [ 111.383042] call 0000:00:02.0+ returned 0 after 0 usecs [ 111.635269] call 0000:00:02.0+ returned 0 after 11823 usecs [ 111.661837] call 0000:00:02.0+ returned 0 after 6190 usecs [ 112.216082] call 0000:00:02.0+ returned 0 after 503149 usecs [ 112.216266] PM: resume of devices complete after 515.524 msecs As additional comment, the platform only has an eDP panel attached, and kernel has the patch -82422-. After adding the parameter i915.fastboot=1 the platform is able to boot up, but eDP gets blank screen. You can find the full dmesg_Patch_KBL_U.log as attached file.</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>