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| Rev 1123 | Rev 1126 | ||
|---|---|---|---|
| Line 39... | Line 39... | ||
| 39 | * |
39 | * |
| 40 | * Authors: |
40 | * Authors: |
| 41 | * Thomas Hellström |
41 | * Thomas Hellström |
| 42 | */ |
42 | */ |
| Line 43... | Line 43... | ||
| 43 | 43 | ||
| 44 | //#include "drmP.h" |
44 | #include "drmP.h" |
| 45 | #include "drm_mm.h" |
45 | #include "drm_mm.h" |
| Line 46... | Line 46... | ||
| 46 | //#include |
46 | //#include |
| Line 118... | Line 118... | ||
| 118 | list_add_tail(&node->fl_entry, &mm->unused_nodes); |
118 | list_add_tail(&node->fl_entry, &mm->unused_nodes); |
| 119 | } |
119 | } |
| 120 | spin_unlock(&mm->unused_lock); |
120 | spin_unlock(&mm->unused_lock); |
| 121 | return 0; |
121 | return 0; |
| 122 | } |
122 | } |
| 123 | //EXPORT_SYMBOL(drm_mm_pre_get); |
123 | EXPORT_SYMBOL(drm_mm_pre_get); |
| Line 124... | Line 124... | ||
| 124 | 124 | ||
| 125 | static int drm_mm_create_tail_node(struct drm_mm *mm, |
125 | static int drm_mm_create_tail_node(struct drm_mm *mm, |
| 126 | unsigned long start, |
126 | unsigned long start, |
| 127 | unsigned long size, int atomic) |
127 | unsigned long size, int atomic) |
| Line 213... | Line 213... | ||
| 213 | if (align_splitoff) |
213 | if (align_splitoff) |
| 214 | drm_mm_put_block(align_splitoff); |
214 | drm_mm_put_block(align_splitoff); |
| Line 215... | Line 215... | ||
| 215 | 215 | ||
| 216 | return node; |
216 | return node; |
| 217 | } |
217 | } |
| Line 218... | Line 218... | ||
| 218 | //EXPORT_SYMBOL(drm_mm_get_block_generic); |
218 | EXPORT_SYMBOL(drm_mm_get_block_generic); |
| 219 | 219 | ||
| 220 | /* |
220 | /* |
| 221 | * Put a block. Merge with the previous and / or next block if they are free. |
221 | * Put a block. Merge with the previous and / or next block if they are free. |
| Line 273... | Line 273... | ||
| 273 | } else |
273 | } else |
| 274 | kfree(cur); |
274 | kfree(cur); |
| 275 | } |
275 | } |
| 276 | } |
276 | } |
| Line 277... | Line 277... | ||
| 277 | 277 | ||
| Line 278... | Line 278... | ||
| 278 | //EXPORT_SYMBOL(drm_mm_put_block); |
278 | EXPORT_SYMBOL(drm_mm_put_block); |
| 279 | 279 | ||
| 280 | struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm, |
280 | struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm, |
| 281 | unsigned long size, |
281 | unsigned long size, |
| Line 314... | Line 314... | ||
| 314 | } |
314 | } |
| 315 | } |
315 | } |
| Line 316... | Line 316... | ||
| 316 | 316 | ||
| 317 | return best; |
317 | return best; |
| 318 | } |
318 | } |
| Line 319... | Line 319... | ||
| 319 | //EXPORT_SYMBOL(drm_mm_search_free); |
319 | EXPORT_SYMBOL(drm_mm_search_free); |
| 320 | 320 | ||
| 321 | int drm_mm_clean(struct drm_mm * mm) |
321 | int drm_mm_clean(struct drm_mm * mm) |
| Line 322... | Line 322... | ||
| 322 | { |
322 | { |
| 323 | struct list_head *head = &mm->ml_entry; |
323 | struct list_head *head = &mm->ml_entry; |
| 324 | 324 | ||
| Line 325... | Line 325... | ||
| 325 | return (head->next->next == head); |
325 | return (head->next->next == head); |
| 326 | } |
326 | } |
| 327 | //EXPORT_SYMBOL(drm_mm_clean); |
327 | EXPORT_SYMBOL(drm_mm_clean); |
| 328 | 328 | ||
| Line 334... | Line 334... | ||
| 334 | mm->num_unused = 0; |
334 | mm->num_unused = 0; |
| 335 | spin_lock_init(&mm->unused_lock); |
335 | spin_lock_init(&mm->unused_lock); |
| Line 336... | Line 336... | ||
| 336 | 336 | ||
| 337 | return drm_mm_create_tail_node(mm, start, size, 0); |
337 | return drm_mm_create_tail_node(mm, start, size, 0); |
| 338 | } |
338 | } |
| Line 339... | Line 339... | ||
| 339 | //EXPORT_SYMBOL(drm_mm_init); |
339 | EXPORT_SYMBOL(drm_mm_init); |
| 340 | 340 | ||
| 341 | void drm_mm_takedown(struct drm_mm * mm) |
341 | void drm_mm_takedown(struct drm_mm * mm) |
| 342 | { |
342 | { |
| Line 364... | Line 364... | ||
| 364 | } |
364 | } |
| 365 | spin_unlock(&mm->unused_lock); |
365 | spin_unlock(&mm->unused_lock); |
| Line 366... | Line 366... | ||
| 366 | 366 | ||
| 367 | BUG_ON(mm->num_unused != 0); |
367 | BUG_ON(mm->num_unused != 0); |
| 368 | } |
368 | } |