drm/i915: Initialize the obj flags for shmem objects

Obj flags for shmem objects is not being set correctly. Fixes in setting
BO_ALLOC_USER flag which applies to shmem objs as well.

v2: Add fixes tag (Tvrtko, Matt A)

Fixes: 13d29c8 ("drm/i915/ehl: unconditionally flush the pages on acquire")
Cc: <[email protected]> # v5.15+
Cc: Matthew Auld <[email protected]>
Cc: Tvrtko Ursulin <[email protected]>
Reviewed-by: Matthew Auld <[email protected]>
Signed-off-by: Aravind Iddamsetty <[email protected]>
Reviewed-by: Andrzej Hajda <[email protected]>
Signed-off-by: Tvrtko Ursulin <[email protected]>
[tursulin: Grouped all tags together.]
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
(cherry picked from commit bca0d1d)
Signed-off-by: Rodrigo Vivi <[email protected]>

Author: aravind-id

drivers/gpu/drm/i915/gem/i915_gem_shmem.c

@@ -579,7 +579,7 @@ static int shmem_object_init(struct intel_memory_region *mem,
 	mapping_set_gfp_mask(mapping, mask);
 	GEM_BUG_ON(!(mapping_gfp_mask(mapping) & __GFP_RECLAIM));
 
-	i915_gem_object_init(obj, &i915_gem_shmem_ops, &lock_class, 0);
+	i915_gem_object_init(obj, &i915_gem_shmem_ops, &lock_class, flags);
 	obj->mem_flags |= I915_BO_FLAG_STRUCT_PAGE;
 	obj->write_domain = I915_GEM_DOMAIN_CPU;
 	obj->read_domains = I915_GEM_DOMAIN_CPU;