forked from Minki/linux
a64f784bb1
Make sure that the global BO state is always correctly initialized. This allows removing all the device code to initialize it. v2: fix up vbox (Alex) Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
45 lines
1.8 KiB
C
45 lines
1.8 KiB
C
// SPDX-License-Identifier: GPL-2.0 OR MIT
|
|
/**************************************************************************
|
|
*
|
|
* Copyright 2009-2011 VMware, Inc., Palo Alto, CA., USA
|
|
*
|
|
* 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, sub license, 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 (including the
|
|
* next paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL
|
|
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.
|
|
*
|
|
**************************************************************************/
|
|
|
|
#include <drm/drmP.h>
|
|
#include "vmwgfx_drv.h"
|
|
|
|
int vmw_mmap(struct file *filp, struct vm_area_struct *vma)
|
|
{
|
|
struct drm_file *file_priv;
|
|
struct vmw_private *dev_priv;
|
|
|
|
if (unlikely(vma->vm_pgoff < VMWGFX_FILE_PAGE_OFFSET)) {
|
|
DRM_ERROR("Illegal attempt to mmap old fifo space.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
file_priv = filp->private_data;
|
|
dev_priv = vmw_priv(file_priv->minor->dev);
|
|
return ttm_bo_mmap(filp, vma, &dev_priv->bdev);
|
|
}
|