** Changed in: linux-oem-osp1 (Ubuntu Bionic)
Status: New => In Progress
** Changed in: linux-oem-osp1 (Ubuntu Bionic)
Assignee: (unassigned) => Timo Aaltonen (tjaalton)
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https://bugs.launchpad.net/bugs/1839504
Title:
[ICL-Graphics] Black screen at desktop on kernel for ICL
Status in intel:
Fix Committed
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem-osp1 package in Ubuntu:
New
Status in linux source package in Bionic:
Invalid
Status in linux-oem-osp1 source package in Bionic:
In Progress
Bug description:
Description:
Recent 5.2 kernels showing black screen after logging into ICL machine.
Commit which introduce this issue:
Author: Ville Syrjälä <[email protected]>
drm/i915: Make sure we have enough memory bandwidth on ICL
ICL has so many planes that it can easily exceed the maximum
effective memory bandwidth of the system. We must therefore check
that we don't exceed that limit
...
Commit fix this issue
commit 56e9371bc3f3e7d6c1a197a45d550b2ce6af25f6
Author: Ville Syrjälä <[email protected]>
Date: Thu Jun 6 15:42:10 2019 +0300
drm/i915: Deal with machines that expose less than three QGV
points
Target Kernel: 5.3
Target Release: 19.10
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