[SRU] [B] [PATCH 0/1] Fix 4.15.0-46 docking regression on i915

[Kai-Heng Feng]

BugLink: https://bugs.launchpad.net/bugs/1819486

[Impact]
4.15.0-46 breaks once worked external display over docking.

[Fix]
Revert the commit that causes regression.

[Test]
User confirms reverting the commit solves the regression.

[Regression Potential]
Low. Docking can works without this commit on Bionic kernel.

Kai-Heng Feng (1):
  Revert "drm/i915: Fix hotplug irq ack on i965/g4x"

 drivers/gpu/drm/i915/i915_irq.c | 32 ++------------------------------
 1 file changed, 2 insertions(+), 30 deletions(-)

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2.17.1