[Bug 108773] i915.fastboot=1 is broken on Thinkpad S1 Yoga (Haswell)
bugzilla-daemon at freedesktop.org
bugzilla-daemon at freedesktop.org
Wed Jun 12 12:00:10 UTC 2019
https://bugs.freedesktop.org/show_bug.cgi?id=108773
Ville Syrjala <ville.syrjala at linux.intel.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEEDINFO |RESOLVED
Resolution|--- |FIXED
--- Comment #28 from Ville Syrjala <ville.syrjala at linux.intel.com> ---
(In reply to Johannes Krampf from comment #27)
> Created attachment 144452 [details]
> Dmesg of drm-tip fastboot with patch "Do not touch the PCH SSC..."
>
> I synced to the most recent drm-tip, applied the patch and was able to boot
> with fastboot and graphical output working.
>
> I've attached the dmesg output with drm.debug=0xe.
Nice. Thanks for testing.
Fix is in:
commit b16c7ed95caf270075c52faad0af8f4cb57ae979
Author: Ville Syrjälä <ville.syrjala at linux.intel.com>
Date: Tue Jun 4 23:09:29 2019 +0300
drm/i915: Do not touch the PCH SSC reference if a PLL is using it
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