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-rw-r--r--include/drm/ttm/ttm_bo_api.h3
-rw-r--r--include/drm/ttm/ttm_bo_driver.h25
2 files changed, 25 insertions, 3 deletions
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 267a86c74e2e..49b43c23636a 100644
--- a/include/drm/ttm/ttm_bo_api.h
+++ b/include/drm/ttm/ttm_bo_api.h
@@ -102,7 +102,8 @@ struct ttm_bus_placement {
*/
struct ttm_mem_reg {
- struct drm_mm_node *mm_node;
+ void *mm_node;
+ unsigned long start;
unsigned long size;
unsigned long num_pages;
uint32_t page_alignment;
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index b87504235f18..e3371dbe6a10 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -203,7 +203,22 @@ struct ttm_tt {
* It's set up by the ttm_bo_driver::init_mem_type method.
*/
+struct ttm_mem_type_manager;
+
+struct ttm_mem_type_manager_func {
+ int (*init)(struct ttm_mem_type_manager *man, unsigned long p_size);
+ int (*takedown)(struct ttm_mem_type_manager *man);
+ int (*get_node)(struct ttm_mem_type_manager *man,
+ struct ttm_buffer_object *bo,
+ struct ttm_placement *placement,
+ struct ttm_mem_reg *mem);
+ void (*put_node)(struct ttm_mem_type_manager *man,
+ struct ttm_mem_reg *mem);
+ void (*debug)(struct ttm_mem_type_manager *man, const char *prefix);
+};
+
struct ttm_mem_type_manager {
+ struct ttm_bo_device *bdev;
/*
* No protection. Constant from start.
@@ -222,8 +237,8 @@ struct ttm_mem_type_manager {
* TODO: Consider one lru_lock per ttm_mem_type_manager.
* Plays ill with list removal, though.
*/
-
- struct drm_mm manager;
+ const struct ttm_mem_type_manager_func *func;
+ void *priv;
struct list_head lru;
};
@@ -649,6 +664,10 @@ extern int ttm_bo_mem_space(struct ttm_buffer_object *bo,
struct ttm_mem_reg *mem,
bool interruptible,
bool no_wait_reserve, bool no_wait_gpu);
+
+extern void ttm_bo_mem_put(struct ttm_buffer_object *bo,
+ struct ttm_mem_reg *mem);
+
/**
* ttm_bo_wait_for_cpu
*
@@ -891,6 +910,8 @@ extern int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo,
*/
extern pgprot_t ttm_io_prot(uint32_t caching_flags, pgprot_t tmp);
+extern const struct ttm_mem_type_manager_func ttm_bo_manager_func;
+
#if (defined(CONFIG_AGP) || (defined(CONFIG_AGP_MODULE) && defined(MODULE)))
#define TTM_HAS_AGP
#include <linux/agp_backend.h>