Rev 5078 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4075 | Serge | 1 | /************************************************************************** |
| 2 | * |
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| 6296 | serge | 3 | * Copyright © 2009-2011 VMware, Inc., Palo Alto, CA., USA |
| 4075 | Serge | 4 | * All Rights Reserved. |
| 5 | * |
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| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 7 | * copy of this software and associated documentation files (the |
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| 8 | * "Software"), to deal in the Software without restriction, including |
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| 9 | * without limitation the rights to use, copy, modify, merge, publish, |
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| 10 | * distribute, sub license, and/or sell copies of the Software, and to |
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| 11 | * permit persons to whom the Software is furnished to do so, subject to |
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| 12 | * the following conditions: |
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| 13 | * |
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| 14 | * The above copyright notice and this permission notice (including the |
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| 15 | * next paragraph) shall be included in all copies or substantial portions |
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| 16 | * of the Software. |
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| 17 | * |
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| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 20 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
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| 21 | * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, |
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| 22 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
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| 23 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
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| 24 | * USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 25 | * |
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| 26 | **************************************************************************/ |
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| 27 | |||
| 28 | #include |
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| 29 | #include "vmwgfx_drv.h" |
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| 30 | |||
| 31 | #if 0 |
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| 32 | int vmw_mmap(struct file *filp, struct vm_area_struct *vma) |
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| 33 | { |
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| 34 | struct drm_file *file_priv; |
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| 35 | struct vmw_private *dev_priv; |
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| 36 | |||
| 37 | // if (unlikely(vma->vm_pgoff < VMWGFX_FILE_PAGE_OFFSET)) { |
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| 38 | // DRM_ERROR("Illegal attempt to mmap old fifo space.\n"); |
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| 39 | // return -EINVAL; |
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| 40 | // } |
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| 41 | |||
| 42 | file_priv = filp->private_data; |
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| 43 | dev_priv = vmw_priv(file_priv->minor->dev); |
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| 44 | return ttm_bo_mmap(filp, vma, &dev_priv->bdev); |
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| 45 | } |
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| 46 | #endif |
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| 47 | |||
| 48 | static int vmw_ttm_mem_global_init(struct drm_global_reference *ref) |
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| 49 | { |
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| 50 | DRM_INFO("global init.\n"); |
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| 51 | return ttm_mem_global_init(ref->object); |
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| 52 | } |
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| 53 | |||
| 54 | static void vmw_ttm_mem_global_release(struct drm_global_reference *ref) |
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| 55 | { |
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| 56 | } |
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| 57 | |||
| 58 | int vmw_ttm_global_init(struct vmw_private *dev_priv) |
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| 59 | { |
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| 60 | struct drm_global_reference *global_ref; |
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| 61 | int ret; |
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| 62 | |||
| 63 | global_ref = &dev_priv->mem_global_ref; |
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| 64 | global_ref->global_type = DRM_GLOBAL_TTM_MEM; |
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| 65 | global_ref->size = sizeof(struct ttm_mem_global); |
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| 66 | global_ref->init = &vmw_ttm_mem_global_init; |
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| 67 | global_ref->release = &vmw_ttm_mem_global_release; |
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| 68 | |||
| 69 | ret = drm_global_item_ref(global_ref); |
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| 70 | if (unlikely(ret != 0)) { |
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| 71 | DRM_ERROR("Failed setting up TTM memory accounting.\n"); |
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| 72 | return ret; |
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| 73 | } |
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| 74 | |||
| 75 | dev_priv->bo_global_ref.mem_glob = |
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| 76 | dev_priv->mem_global_ref.object; |
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| 77 | global_ref = &dev_priv->bo_global_ref.ref; |
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| 78 | global_ref->global_type = DRM_GLOBAL_TTM_BO; |
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| 79 | global_ref->size = sizeof(struct ttm_bo_global); |
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| 80 | global_ref->init = &ttm_bo_global_init; |
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| 81 | global_ref->release = &ttm_bo_global_release; |
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| 82 | ret = drm_global_item_ref(global_ref); |
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| 83 | |||
| 84 | if (unlikely(ret != 0)) { |
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| 85 | DRM_ERROR("Failed setting up TTM buffer objects.\n"); |
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| 86 | goto out_no_bo; |
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| 87 | } |
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| 88 | |||
| 89 | return 0; |
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| 90 | out_no_bo: |
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| 91 | drm_global_item_unref(&dev_priv->mem_global_ref); |
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| 92 | return ret; |
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| 93 | } |
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| 94 | |||
| 95 | void vmw_ttm_global_release(struct vmw_private *dev_priv) |
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| 96 | { |
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| 97 | drm_global_item_unref(&dev_priv->bo_global_ref.ref); |
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| 98 | drm_global_item_unref(&dev_priv->mem_global_ref); |
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| 99 | } |