diff options
| -rw-r--r-- | linux-core/drm_bo.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c index a2356c8a..4ce5f480 100644 --- a/linux-core/drm_bo.c +++ b/linux-core/drm_bo.c @@ -705,6 +705,10 @@ static int drm_bo_evict(struct drm_buffer_object * bo, unsigned mem_type, return ret; } +/** + * Repeatedly evict memory from the LRU for @mem_type until we create enough + * space, or we've evicted everything and there isn't enough space. + */ static int drm_bo_mem_force_space(struct drm_device * dev, struct drm_bo_mem_reg * mem, uint32_t mem_type, int no_wait) @@ -791,6 +795,14 @@ static int drm_bo_mt_compatible(struct drm_mem_type_manager * man, return 1; } +/** + * Creates space for memory region @mem according to its type. + * + * This function first searches for free space in compatible memory types in + * the priority order defined by the driver. If free space isn't found, then + * drm_bo_mem_force_space is attempted in priority order to evict and find + * space. + */ int drm_bo_mem_space(struct drm_buffer_object * bo, struct drm_bo_mem_reg * mem, int no_wait) { @@ -2406,8 +2418,7 @@ int drm_bo_driver_init(struct drm_device * dev) * Initialize the system memory buffer type. * Other types need to be driver / IOCTL initialized. */ - - ret = drm_bo_init_mm(dev, 0, 0, 0); + ret = drm_bo_init_mm(dev, DRM_BO_MEM_LOCAL, 0, 0); if (ret) goto out_unlock; |