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[Bug 1041140] New: Kernel Intel i915 gpu driver change causes areas of desktop to remain blank
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Mon, 29 May 2017 03:21:41 +0000
  • Message-id: <bug-1041140-21960@http.bugzilla.novell.com/>
http://bugzilla.novell.com/show_bug.cgi?id=1041140


Bug ID: 1041140
Summary: Kernel Intel i915 gpu driver change causes areas of
desktop to remain blank
Classification: openSUSE
Product: openSUSE Distribution
Version: Leap 42.2
Hardware: x86-64
OS: openSUSE 42.2
Status: NEW
Severity: Normal
Priority: P5 - None
Component: Kernel
Assignee: kernel-maintainers@xxxxxxxxxxxxxxxxxxxxxx
Reporter: graymark@xxxxxxx
QA Contact: qa-bugs@xxxxxxx
Found By: ---
Blocker: ---

Created attachment 726726
--> http://bugzilla.novell.com/attachment.cgi?id=726726&action=edit
Diff of the single change to intel Gpu driver which broke compositing for
Plasma 5

There was a recent swapping of the order of two function calls in the
intel_display.c file which causes plasma 5 desktop to leave areas of the screen
unrendered when compositing is enabled.

queue_work(dev_priv->wq, &work->work);

used to be before the call to:

trace_i915_flip_complete(intel_crtc->plane,
work->pending_flip_obj);

And now it is after.

Disabling compositing fixes the problem.

This is a 2011 second generation i7 with 3000 graphics.

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