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commit4761703bd0upstream. Several users have, over time, reported issues with MSI on these IGPs. They're old, rarely available, and MSI doesn't provide such huge advantages on them. Just disable. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=87361 Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=74492 Fixes:fa8c9ac72f("drm/nv4c/mc: nv4x igp's have a different msi rearm register") Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>