ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/drivers/gpu/drm/virtio/virtgpu_prime.c b/marvell/linux/drivers/gpu/drm/virtio/virtgpu_prime.c
new file mode 100644
index 0000000..dc642a8
--- /dev/null
+++ b/marvell/linux/drivers/gpu/drm/virtio/virtgpu_prime.c
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2014 Canonical
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Andreas Pokorny
+ */
+
+#include <drm/drm_prime.h>
+
+#include "virtgpu_drv.h"
+
+/* Empty Implementations as there should not be any other driver for a virtual
+ * device that might share buffers with virtgpu
+ */
+
+struct sg_table *virtgpu_gem_prime_get_sg_table(struct drm_gem_object *obj)
+{
+ struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(obj);
+
+ if (!bo->tbo.ttm->pages || !bo->tbo.ttm->num_pages)
+ /* should not happen */
+ return ERR_PTR(-EINVAL);
+
+ return drm_prime_pages_to_sg(bo->tbo.ttm->pages,
+ bo->tbo.ttm->num_pages);
+}
+
+struct drm_gem_object *virtgpu_gem_prime_import_sg_table(
+ struct drm_device *dev, struct dma_buf_attachment *attach,
+ struct sg_table *table)
+{
+ return ERR_PTR(-ENODEV);
+}
+
+void *virtgpu_gem_prime_vmap(struct drm_gem_object *obj)
+{
+ struct virtio_gpu_object *bo = gem_to_virtio_gpu_obj(obj);
+ int ret;
+
+ ret = virtio_gpu_object_kmap(bo);
+ if (ret)
+ return NULL;
+ return bo->vmap;
+}
+
+void virtgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
+{
+ virtio_gpu_object_kunmap(gem_to_virtio_gpu_obj(obj));
+}
+
+int virtgpu_gem_prime_mmap(struct drm_gem_object *obj,
+ struct vm_area_struct *vma)
+{
+ return drm_gem_prime_mmap(obj, vma);
+}