[PATCH 1/1] Revert "drm/i915: Never allow userptr into the new mapping types"

[Janusz Krzysztofik]

This reverts commit f6c26b555e14fb2b35239cb0d66963e996ec100c for the
purpose of testing IGT patch "tests/gem_userptr_blits: Refresh other
MMAP_GTT dependent subtests"
---
 drivers/gpu/drm/i915/gem/i915_gem_mman.c         | 3 ++-
 drivers/gpu/drm/i915/gem/i915_gem_object.h       | 4 ++--
 drivers/gpu/drm/i915/gem/i915_gem_object_types.h | 2 +-
 drivers/gpu/drm/i915/gem/i915_gem_userptr.c      | 2 +-
 drivers/gpu/drm/i915/i915_gem.c                  | 3 +++
 5 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
index 7b43c144e03c..bd257985f95e 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
@@ -626,7 +626,8 @@ __assign_mmap_offset(struct drm_file *file,
 	if (!obj)
 		return -ENOENT;
 
-	if (i915_gem_object_never_mmap(obj)) {
+	if (mmap_type == I915_MMAP_TYPE_GTT &&
+	    i915_gem_object_never_bind_ggtt(obj)) {
 		err = -ENODEV;
 		goto out;
 	}
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object.h b/drivers/gpu/drm/i915/gem/i915_gem_object.h
index f34fc1b0f80d..dbdffc745c5c 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object.h
@@ -199,9 +199,9 @@ i915_gem_object_is_proxy(const struct drm_i915_gem_object *obj)
 }
 
 static inline bool
-i915_gem_object_never_mmap(const struct drm_i915_gem_object *obj)
+i915_gem_object_never_bind_ggtt(const struct drm_i915_gem_object *obj)
 {
-	return i915_gem_object_type_has(obj, I915_GEM_OBJECT_NO_MMAP);
+	return i915_gem_object_type_has(obj, I915_GEM_OBJECT_NO_GGTT);
 }
 
 static inline bool
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
index 498fb90d7001..9a58a1798939 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
+++ b/drivers/gpu/drm/i915/gem/i915_gem_object_types.h
@@ -34,7 +34,7 @@ struct drm_i915_gem_object_ops {
 #define I915_GEM_OBJECT_HAS_IOMEM	BIT(1)
 #define I915_GEM_OBJECT_IS_SHRINKABLE	BIT(2)
 #define I915_GEM_OBJECT_IS_PROXY	BIT(3)
-#define I915_GEM_OBJECT_NO_MMAP		BIT(4)
+#define I915_GEM_OBJECT_NO_GGTT		BIT(4)
 #define I915_GEM_OBJECT_ASYNC_CANCEL	BIT(5)
 
 	/* Interface between the GEM object and its backing storage.
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c
index 08e7d90a2e4d..cd829f55b5ad 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_userptr.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_userptr.c
@@ -704,7 +704,7 @@ i915_gem_userptr_dmabuf_export(struct drm_i915_gem_object *obj)
 static const struct drm_i915_gem_object_ops i915_gem_userptr_ops = {
 	.flags = I915_GEM_OBJECT_HAS_STRUCT_PAGE |
 		 I915_GEM_OBJECT_IS_SHRINKABLE |
-		 I915_GEM_OBJECT_NO_MMAP |
+		 I915_GEM_OBJECT_NO_GGTT |
 		 I915_GEM_OBJECT_ASYNC_CANCEL,
 	.get_pages = i915_gem_userptr_get_pages,
 	.put_pages = i915_gem_userptr_put_pages,
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 0f12b4400eac..1ec20f8cd3a0 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -987,6 +987,9 @@ i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj,
 	struct i915_vma *vma;
 	int ret;
 
+	if (i915_gem_object_never_bind_ggtt(obj))
+		return ERR_PTR(-ENODEV);
+
 	if (flags & PIN_MAPPABLE &&
 	    (!view || view->type == I915_GGTT_VIEW_NORMAL)) {
 		/*
-- 
2.21.1