drm/i915: Compare user's 64b GTT offset even on 32b
commit 085603287452fc96376ed4888bf29f8c095d2b40 upstream. Beware mixing unsigned long constants and 64b values, as on 32b the constant will be zero extended and discard the high 32b when used as a mask! Reported-by: NSergii Romantsov <sergii.romantsov@globallogic.com> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108282Signed-off-by: NChris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: stable@vger.kernel.org Reviewed-by: NMatthew Auld <matthew.auld@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181025091823.20571-2-chris@chris-wilson.co.uk (cherry picked from commit 6fc4e48f9ed46e9adff236a0c350074aafa3b7fa) Signed-off-by: NJoonas Lahtinen <joonas.lahtinen@linux.intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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