1 files changed, 103 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/display/intel_bo.c b/drivers/gpu/drm/xe/display/intel_bo.c
new file mode 100644
index 000000000000..bad2243b9114
--- /dev/null
+++ b/drivers/gpu/drm/xe/display/intel_bo.c
@@ -0,0 +1,103 @@
+// SPDX-License-Identifier: MIT
+/* Copyright © 2024 Intel Corporation */
+
+#include <drm/drm_gem.h>
+
+#include "xe_bo.h"
+#include "intel_bo.h"
+#include "intel_frontbuffer.h"
+
+bool intel_bo_is_tiled(struct drm_gem_object *obj)
+{
+	/* legacy tiling is unused */
+	return false;
+}
+
+bool intel_bo_is_userptr(struct drm_gem_object *obj)
+{
+	/* xe does not have userptr bos */
+	return false;
+}
+
+bool intel_bo_is_shmem(struct drm_gem_object *obj)
+{
+	return false;
+}
+
+bool intel_bo_is_protected(struct drm_gem_object *obj)
+{
+	return xe_bo_is_protected(gem_to_xe_bo(obj));
+}
+
+int intel_bo_fb_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma)
+{
+	return drm_gem_prime_mmap(obj, vma);
+}
+
+int intel_bo_read_from_page(struct drm_gem_object *obj, u64 offset, void *dst, int size)
+{
+	struct xe_bo *bo = gem_to_xe_bo(obj);
+
+	return xe_bo_read(bo, offset, dst, size);
+}
+
+struct xe_frontbuffer {
+	struct intel_frontbuffer base;
+	struct drm_gem_object *obj;
+	struct kref ref;
+};
+
+struct intel_frontbuffer *intel_bo_frontbuffer_get(struct drm_gem_object *obj)
+{
+	struct xe_frontbuffer *front;
+
+	front = kmalloc(sizeof(*front), GFP_KERNEL);
+	if (!front)
+		return NULL;
+
+	intel_frontbuffer_init(&front->base, obj->dev);
+
+	kref_init(&front->ref);
+
+	drm_gem_object_get(obj);
+	front->obj = obj;
+
+	return &front->base;
+}
+
+void intel_bo_frontbuffer_ref(struct intel_frontbuffer *_front)
+{
+	struct xe_frontbuffer *front =
+		container_of(_front, typeof(*front), base);
+
+	kref_get(&front->ref);
+}
+
+static void frontbuffer_release(struct kref *ref)
+{
+	struct xe_frontbuffer *front =
+		container_of(ref, typeof(*front), ref);
+
+	intel_frontbuffer_fini(&front->base);
+
+	drm_gem_object_put(front->obj);
+
+	kfree(front);
+}
+
+void intel_bo_frontbuffer_put(struct intel_frontbuffer *_front)
+{
+	struct xe_frontbuffer *front =
+		container_of(_front, typeof(*front), base);
+
+	kref_put(&front->ref, frontbuffer_release);
+}
+
+void intel_bo_frontbuffer_flush_for_display(struct intel_frontbuffer *front)
+{
+}
+
+void intel_bo_describe(struct seq_file *m, struct drm_gem_object *obj)
+{
+	/* FIXME */
+}