diff options
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_bo_manager.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_bo_manager.c | 62 |
1 files changed, 30 insertions, 32 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo_manager.c b/drivers/gpu/drm/ttm/ttm_bo_manager.c index 038e947d00f..bd850c9f4bc 100644 --- a/drivers/gpu/drm/ttm/ttm_bo_manager.c +++ b/drivers/gpu/drm/ttm/ttm_bo_manager.c @@ -28,10 +28,10 @@ * Authors: Thomas Hellstrom <thellstrom-at-vmware-dot-com> */ -#include "ttm/ttm_module.h" -#include "ttm/ttm_bo_driver.h" -#include "ttm/ttm_placement.h" -#include "drm_mm.h" +#include <drm/ttm/ttm_module.h> +#include <drm/ttm/ttm_bo_driver.h> +#include <drm/ttm/ttm_placement.h> +#include <drm/drm_mm.h> #include <linux/slab.h> #include <linux/spinlock.h> #include <linux/module.h> @@ -55,34 +55,36 @@ static int ttm_bo_man_get_node(struct ttm_mem_type_manager *man, struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv; struct drm_mm *mm = &rman->mm; struct drm_mm_node *node = NULL; + enum drm_mm_allocator_flags aflags = DRM_MM_CREATE_DEFAULT; unsigned long lpfn; int ret; lpfn = placement->lpfn; if (!lpfn) lpfn = man->size; - do { - ret = drm_mm_pre_get(mm); - if (unlikely(ret)) - return ret; - spin_lock(&rman->lock); - node = drm_mm_search_free_in_range(mm, - mem->num_pages, mem->page_alignment, - placement->fpfn, lpfn, 1); - if (unlikely(node == NULL)) { - spin_unlock(&rman->lock); - return 0; - } - node = drm_mm_get_block_atomic_range(node, mem->num_pages, - mem->page_alignment, - placement->fpfn, - lpfn); - spin_unlock(&rman->lock); - } while (node == NULL); + node = kzalloc(sizeof(*node), GFP_KERNEL); + if (!node) + return -ENOMEM; + + if (bo->mem.placement & TTM_PL_FLAG_TOPDOWN) + aflags = DRM_MM_CREATE_TOP; + + spin_lock(&rman->lock); + ret = drm_mm_insert_node_in_range_generic(mm, node, mem->num_pages, + mem->page_alignment, 0, + placement->fpfn, lpfn, + DRM_MM_SEARCH_BEST, + aflags); + spin_unlock(&rman->lock); + + if (unlikely(ret)) { + kfree(node); + } else { + mem->mm_node = node; + mem->start = node->start; + } - mem->mm_node = node; - mem->start = node->start; return 0; } @@ -93,8 +95,10 @@ static void ttm_bo_man_put_node(struct ttm_mem_type_manager *man, if (mem->mm_node) { spin_lock(&rman->lock); - drm_mm_put_block(mem->mm_node); + drm_mm_remove_node(mem->mm_node); spin_unlock(&rman->lock); + + kfree(mem->mm_node); mem->mm_node = NULL; } } @@ -103,18 +107,12 @@ static int ttm_bo_man_init(struct ttm_mem_type_manager *man, unsigned long p_size) { struct ttm_range_manager *rman; - int ret; rman = kzalloc(sizeof(*rman), GFP_KERNEL); if (!rman) return -ENOMEM; - ret = drm_mm_init(&rman->mm, 0, p_size); - if (ret) { - kfree(rman); - return ret; - } - + drm_mm_init(&rman->mm, 0, p_size); spin_lock_init(&rman->lock); man->priv = rman; return 0; |
