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-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_region.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_region.c b/drivers/gpu/drm/i915/gem/i915_gem_region.c
index a4350227e9ae..6d65c5849874 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_region.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_region.c
@@ -67,6 +67,17 @@ i915_gem_object_create_region(struct intel_memory_region *mem,
if (!obj)
return ERR_PTR(-ENOMEM);
+ /*
+ * Anything smaller than the min_page_size can't be freely inserted into
+ * the GTT, due to alignemnt restrictions. For such special objects,
+ * make sure we force memcpy based suspend-resume. In the future we can
+ * revisit this, either by allowing special mis-aligned objects in the
+ * migration path, or by mapping all of LMEM upfront using cheap 1G
+ * GTT entries.
+ */
+ if (default_page_size < mem->min_page_size)
+ flags |= I915_BO_ALLOC_PM_EARLY;
+
err = mem->ops->init_object(mem, obj, size, page_size, flags);
if (err)
goto err_object_free;