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drm/ttm: move fpfn and lpfn into each placement v2

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This allows us to more fine grained specify where to place the buffer object.

v2: rebased on drm-next, add bochs changes as well

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2014-08-27 13:16:04 +02:00
parent 484048db6b
commit f1217ed09f
26 changed files with 352 additions and 259 deletions
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include/drm/ttm/ttm_bo_api.h
+18 -22
View File
@@ -45,12 +45,24 @@ struct ttm_bo_device;
struct drm_mm_node;
/**
* struct ttm_place
*
* @fpfn: first valid page frame number to put the object
* @lpfn: last valid page frame number to put the object
* @flags: memory domain and caching flags for the object
*
* Structure indicating a possible place to put an object.
*/
struct ttm_place {
unsigned fpfn;
unsigned lpfn;
uint32_t flags;
};
/**
* struct ttm_placement
*
* @fpfn: first valid page frame number to put the object
* @lpfn: last valid page frame number to put the object
* @num_placement: number of preferred placements
* @placement: preferred placements
* @num_busy_placement: number of preferred placements when need to evict buffer
@@ -59,12 +71,10 @@ struct drm_mm_node;
* Structure indicating the placement you request for an object.
*/
struct ttm_placement {
unsigned fpfn;
unsigned lpfn;
unsigned num_placement;
const uint32_t *placement;
unsigned num_busy_placement;
const uint32_t *busy_placement;
unsigned num_placement;
const struct ttm_place *placement;
unsigned num_busy_placement;
const struct ttm_place *busy_placement;
};
/**
@@ -518,20 +528,6 @@ extern int ttm_bo_create(struct ttm_bo_device *bdev,
struct file *persistent_swap_storage,
struct ttm_buffer_object **p_bo);
/**
* ttm_bo_check_placement
*
* @bo: the buffer object.
* @placement: placements
*
* Performs minimal validity checking on an intended change of
* placement flags.
* Returns
* -EINVAL: Intended change is invalid or not allowed.
*/
extern int ttm_bo_check_placement(struct ttm_buffer_object *bo,
struct ttm_placement *placement);
/**
* ttm_bo_init_mm
*
include/drm/ttm/ttm_bo_driver.h
+1 -2
View File
@@ -208,8 +208,7 @@ struct ttm_mem_type_manager_func {
*/
int (*get_node)(struct ttm_mem_type_manager *man,
struct ttm_buffer_object *bo,
struct ttm_placement *placement,
uint32_t flags,
const struct ttm_place *place,
struct ttm_mem_reg *mem);
/**