drm/i915: Add quirk to disable SSC on Lenovo U160 LVDS
We've tried several times to make this machine 'just work', but every patch that does causes many other machines to fail. This adds a quirk which special cases this hardware and forces ssc to be disabled. There's no way to override this from the command line; that would be a significantly more invasive change. This patch fixes #36656 on fdo bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=36656 Signed-off-by:Keith Packard <keithp@keithp.com> References: https://bugs.freedesktop.org/show_bug.cgi?id=36656 Reviewed-by:
Chris Wilson <chris@chris-wilson.co.uk>
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d1ca1a00
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