76 lines
2.3 KiB
C
76 lines
2.3 KiB
C
/**************************************************************************
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*
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* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, TX., USA
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/*
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* Authors: Thomas Hellström <thomas-at-tungstengraphics-dot-com>
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*/
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#include "drmP.h"
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int drm_bo_move_ttm(drm_device_t *dev,
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drm_ttm_t *ttm,
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int evict,
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int no_wait,
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drm_bo_mem_reg_t *old_mem,
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drm_bo_mem_reg_t *new_mem)
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{
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uint32_t save_flags = old_mem->flags;
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uint32_t save_mask = old_mem->mask;
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int ret;
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if (old_mem->mem_type == DRM_BO_MEM_TT) {
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if (evict)
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drm_ttm_evict(ttm);
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else
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drm_ttm_unbind(ttm);
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mutex_lock(&dev->struct_mutex);
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drm_mm_put_block(old_mem->mm_node);
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mutex_unlock(&dev->struct_mutex);
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save_flags |= DRM_BO_FLAG_CACHED;
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} else {
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ret = drm_bind_ttm(ttm,
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new_mem->flags & DRM_BO_FLAG_BIND_CACHED,
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new_mem->mm_node->start);
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if (ret)
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return ret;
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if (!(new_mem->flags & DRM_BO_FLAG_BIND_CACHED)) {
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save_flags &= ~DRM_BO_FLAG_CACHED;
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}
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}
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*old_mem = *new_mem;
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new_mem->mm_node = NULL;
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old_mem->mask = save_mask;
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DRM_MASK_VAL(save_flags, new_mem->flags, DRM_BO_MASK_MEM);
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return 0;
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}
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