Quoting Matthew Auld (2019-09-27 18:33:56)
> static const struct drm_i915_gem_object_ops i915_gem_object_internal_ops = {
> .flags = I915_GEM_OBJECT_HAS_STRUCT_PAGE |
> - I915_GEM_OBJECT_IS_SHRINKABLE,
> + I915_GEM_OBJECT_IS_SHRINKABLE |
> + I915_GEM_OBJECT_IS_MAPPABLE,
> +
> const struct drm_i915_gem_object_ops i915_gem_shmem_ops = {
> .flags = I915_GEM_OBJECT_HAS_STRUCT_PAGE |
> - I915_GEM_OBJECT_IS_SHRINKABLE,
> + I915_GEM_OBJECT_IS_SHRINKABLE |
> + I915_GEM_OBJECT_IS_MAPPABLE,
> static const struct drm_i915_gem_object_ops huge_ops = {
> .flags = I915_GEM_OBJECT_HAS_STRUCT_PAGE |
> - I915_GEM_OBJECT_IS_SHRINKABLE,
> + I915_GEM_OBJECT_IS_SHRINKABLE |
> + I915_GEM_OBJECT_IS_MAPPABLE,
Where's huge_pages and userptr?
In short any that HAS_STRUCT_PAGE is also mappable by your definition
(we can use kmap on them). I suggest maybe using HAS_IOMEM and then
if (!(obj->ops->flags & (HAS_STRUCT_PAGE | HAS_IOMEM))
?
-Chris
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