1 files changed, 84 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..9f54fad0f1c0
--- /dev/null
+++ b/drivers/gpu/drm/xe/display/intel_bo.c
@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: MIT
+/* Copyright © 2024 Intel Corporation */
+
+#include <drm/drm_gem.h>
+
+#include "xe_bo.h"
+#include "intel_bo.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 false;
+}
+
+void intel_bo_flush_if_display(struct drm_gem_object *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);
+	struct ttm_bo_kmap_obj map;
+	void *src;
+	bool is_iomem;
+	int ret;
+
+	ret = xe_bo_lock(bo, true);
+	if (ret)
+		return ret;
+
+	ret = ttm_bo_kmap(&bo->ttm, offset >> PAGE_SHIFT, 1, &map);
+	if (ret)
+		goto out_unlock;
+
+	offset &= ~PAGE_MASK;
+	src = ttm_kmap_obj_virtual(&map, &is_iomem);
+	src += offset;
+	if (is_iomem)
+		memcpy_fromio(dst, (void __iomem *)src, size);
+	else
+		memcpy(dst, src, size);
+
+	ttm_bo_kunmap(&map);
+out_unlock:
+	xe_bo_unlock(bo);
+	return ret;
+}
+
+struct intel_frontbuffer *intel_bo_get_frontbuffer(struct drm_gem_object *obj)
+{
+	return NULL;
+}
+
+struct intel_frontbuffer *intel_bo_set_frontbuffer(struct drm_gem_object *obj,
+						   struct intel_frontbuffer *front)
+{
+	return front;
+}
+
+void intel_bo_describe(struct seq_file *m, struct drm_gem_object *obj)
+{
+	/* FIXME */
+}