diff options
Diffstat (limited to 'include/drm/ttm/ttm_resource.h')
| -rw-r--r-- | include/drm/ttm/ttm_resource.h | 44 |
1 files changed, 42 insertions, 2 deletions
diff --git a/include/drm/ttm/ttm_resource.h b/include/drm/ttm/ttm_resource.h index ca89a48c2460..78a226eba953 100644 --- a/include/drm/ttm/ttm_resource.h +++ b/include/drm/ttm/ttm_resource.h @@ -89,6 +89,38 @@ struct ttm_resource_manager_func { struct ttm_resource *res); /** + * struct ttm_resource_manager_func member intersects + * + * @man: Pointer to a memory type manager. + * @res: Pointer to a struct ttm_resource to be checked. + * @place: Placement to check against. + * @size: Size of the check. + * + * Test if @res intersects with @place + @size. Used to judge if + * evictions are valueable or not. + */ + bool (*intersects)(struct ttm_resource_manager *man, + struct ttm_resource *res, + const struct ttm_place *place, + size_t size); + + /** + * struct ttm_resource_manager_func member compatible + * + * @man: Pointer to a memory type manager. + * @res: Pointer to a struct ttm_resource to be checked. + * @place: Placement to check against. + * @size: Size of the check. + * + * Test if @res compatible with @place + @size. Used to check of + * the need to move the backing store or not. + */ + bool (*compatible)(struct ttm_resource_manager *man, + struct ttm_resource *res, + const struct ttm_place *place, + size_t size); + + /** * struct ttm_resource_manager_func member debug * * @man: Pointer to a memory type manager. @@ -165,7 +197,7 @@ struct ttm_bus_placement { * struct ttm_resource * * @start: Start of the allocation. - * @num_pages: Actual size of resource in pages. + * @size: Actual size of resource in bytes. * @mem_type: Resource type of the allocation. * @placement: Placement flags. * @bus: Placement on io bus accessible to the CPU @@ -176,7 +208,7 @@ struct ttm_bus_placement { */ struct ttm_resource { unsigned long start; - unsigned long num_pages; + size_t size; uint32_t mem_type; uint32_t placement; struct ttm_bus_placement bus; @@ -329,6 +361,14 @@ int ttm_resource_alloc(struct ttm_buffer_object *bo, const struct ttm_place *place, struct ttm_resource **res); void ttm_resource_free(struct ttm_buffer_object *bo, struct ttm_resource **res); +bool ttm_resource_intersects(struct ttm_device *bdev, + struct ttm_resource *res, + const struct ttm_place *place, + size_t size); +bool ttm_resource_compatible(struct ttm_device *bdev, + struct ttm_resource *res, + const struct ttm_place *place, + size_t size); bool ttm_resource_compat(struct ttm_resource *res, struct ttm_placement *placement); void ttm_resource_set_bo(struct ttm_resource *res, |