drm/i915: Force ww lock for i915_gem_object_ggtt_pin_ww, v2.
We will need the lock to unbind the vma, and wait for bind to complete.
Remove the special casing for the !ww path, and force ww locking for all.
Changes since v1:
- Pass err to for_i915_gem_ww handling for -EDEADLK handling.
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211216142749.1966107-6-maarten.lankhorst@linux.intel.com
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