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/*
* Copyright 2005 Stephane Marchesin.
* All Rights Reserved.
*
* 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 (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 NONINFRINGEMENT. IN NO EVENT SHALL
* VA LINUX SYSTEMS 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.
*/
/*
* Authors: Jeremy Kolb <jkolb@brandeis.edu>
*/
#include "drmP.h"
#include "nouveau_drm.h"
#include "nouveau_drv.h"
#ifdef NOUVEAU_HAVE_BUFFER
struct drm_ttm_backend *nouveau_create_ttm_backend_entry(struct drm_device * dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
return drm_agp_init_ttm(dev);
}
int nouveau_fence_types(struct drm_buffer_object *bo,
uint32_t *fclass,
uint32_t *type)
{
*fclass = 0;
if (bo->mem.mask & (DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE))
*type = 3;
else
*type = 1;
return 0;
}
int nouveau_invalidate_caches(struct drm_device *dev, uint64_t buffer_flags)
{
/* We'll do this from user space. */
return 0;
}
int nouveau_init_mem_type(struct drm_device *dev,
uint32_t type,
struct drm_mem_type_manager *man)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
switch (type) {
case DRM_BO_MEM_LOCAL:
man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
_DRM_FLAG_MEMTYPE_CACHED;
man->drm_bus_maptype = 0;
break;
case DRM_BO_MEM_VRAM:
man->flags = _DRM_FLAG_MEMTYPE_FIXED |
_DRM_FLAG_MEMTYPE_MAPPABLE |
_DRM_FLAG_NEEDS_IOREMAP;
man->io_addr = NULL;
man->drm_bus_maptype = _DRM_FRAME_BUFFER;
man->io_offset = drm_get_resource_start(dev, 0);
man->io_size = drm_get_resource_len(dev, 0);
break;
case DRM_BO_MEM_TT:
if (!(drm_core_has_AGP(dev) && dev->agp)) {
DRM_ERROR("AGP is not enabled for memory type %u\n",
(unsigned)type);
return -EINVAL;
}
man->io_offset = dev->agp->agp_info.aper_base;
man->io_size = dev->agp->agp_info.aper_size * 1024 * 1024;
man->io_addr = NULL;
man->flags = _DRM_FLAG_MEMTYPE_MAPPABLE |
_DRM_FLAG_MEMTYPE_CSELECT | _DRM_FLAG_NEEDS_IOREMAP;
man->drm_bus_maptype = _DRM_AGP;
break;
default:
DRM_ERROR("Unsupported memory type %u\n", (unsigned)type);
return -EINVAL;
}
return 0;
}
uint32_t nouveau_evict_mask(struct drm_buffer_object *bo)
{
switch (bo->mem.mem_type) {
case DRM_BO_MEM_LOCAL:
case DRM_BO_MEM_TT:
return DRM_BO_FLAG_MEM_LOCAL;
case DRM_BO_MEM_VRAM:
if (bo->mem.num_pages > 128)
return DRM_BO_MEM_TT;
else
return DRM_BO_MEM_LOCAL;
default:
return DRM_BO_FLAG_MEM_TT | DRM_BO_FLAG_CACHED;
}
}
int nouveau_move(struct drm_buffer_object *bo,
int evict,
int no_wait,
struct drm_bo_mem_reg *new_mem)
{
struct drm_bo_mem_reg *old_mem = &bo->mem;
if (old_mem->mem_type == DRM_BO_MEM_LOCAL) {
return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
else if (new_mem->mem_type == DRM_BO_MEM_LOCAL) {
return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
}
else {
return drm_bo_move_memcpy(bo, evict, no_wait, new_mem);
}
return 0;
}
void nouveau_flush_ttm(struct drm_ttm *ttm)
{
}
#endif
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