Hardy SRU justification:
Impact: i915 video driver: screen goes white, red, green or blue during
suspend/resume or hibernation
Fix: Backport upstream commits 39273b58a409cd6d65c9732bdca00bacd1626672
and a59e122a67b88925944d3bbf33d152
These commits fix flips the ARX register into index mode before
restoring the AR registers fix an off-by one save/restore index bug for
the AR and CR registers.
Testcase: Without the attached patch, the screen occasionally goes
completely white, red, green or blue during suspend/resume and
hibernate. With patch the problem does not occur.
** Changed in: linux (Ubuntu)
Importance: Undecided => Low
Status: New => Fix Committed
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i915: screen goes white, red, green or blue during suspend/resume or
hibernation
https://bugs.launchpad.net/bugs/302421
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