mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
b96f3e7c80
Drop vma_node from ttm_buffer_object, use the gem struct (base.vma_node) instead. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Christian König <christian.koenig@amd.com> Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-9-kraxel@redhat.com
73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
/*
|
|
* 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);
|
|
}
|