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/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, TX., USA
* 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, 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.
*
**************************************************************************/
/*
* Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
*/
#include "drmP.h"
int drm_bo_move_ttm(drm_device_t *dev,
drm_ttm_t *ttm,
int evict,
int no_wait,
drm_bo_mem_reg_t *old_mem,
drm_bo_mem_reg_t *new_mem)
{
uint32_t save_flags = old_mem->flags;
uint32_t save_mask = old_mem->mask;
int ret;
if (old_mem->mem_type == DRM_BO_MEM_TT) {
if (evict)
drm_ttm_evict(ttm);
else
drm_ttm_unbind(ttm);
mutex_lock(&dev->struct_mutex);
drm_mm_put_block(old_mem->mm_node);
mutex_unlock(&dev->struct_mutex);
save_flags |= DRM_BO_FLAG_CACHED;
} else {
ret = drm_bind_ttm(ttm,
new_mem->flags & DRM_BO_FLAG_BIND_CACHED,
new_mem->mm_node->start);
if (ret)
return ret;
if (!(new_mem->flags & DRM_BO_FLAG_BIND_CACHED)) {
save_flags &= ~DRM_BO_FLAG_CACHED;
}
}
*old_mem = *new_mem;
new_mem->mm_node = NULL;
old_mem->mask = save_mask;
DRM_MASK_VAL(save_flags, new_mem->flags, DRM_BO_MASK_MEM);
return 0;
}
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