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drm/ttm: remove bdev from ttm_tt

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I want to split this structure up and use it differently,
step one remove bdev pointer from it and pass it explicitly.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200826014428.828392-4-airlied@gmail.com
This commit is contained in:
Dave Airlie
2020-09-08 06:39:21 +10:00
parent f437bc1ec7
commit 0a667b5007
15 changed files with 139 additions and 114 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/drm/ttm/ttm_bo_driver.h
+4 -3
View File
@@ -77,8 +77,9 @@ struct ttm_bo_driver {
* Returns:
* -ENOMEM: Out of memory.
*/
int (*ttm_tt_populate)(struct ttm_tt *ttm,
struct ttm_operation_ctx *ctx);
int (*ttm_tt_populate)(struct ttm_bo_device *bdev,
struct ttm_tt *ttm,
struct ttm_operation_ctx *ctx);
/**
* ttm_tt_unpopulate
@@ -87,7 +88,7 @@ struct ttm_bo_driver {
*
* Free all backing page
*/
void (*ttm_tt_unpopulate)(struct ttm_tt *ttm);
void (*ttm_tt_unpopulate)(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
/**
* struct ttm_bo_driver member eviction_valuable
include/drm/ttm/ttm_tt.h
+12 -13
View File
@@ -60,7 +60,7 @@ struct ttm_backend_func {
* indicated by @bo_mem. This function should be able to handle
* differences between aperture and system page sizes.
*/
int (*bind) (struct ttm_tt *ttm, struct ttm_resource *bo_mem);
int (*bind) (struct ttm_bo_device *bdev, struct ttm_tt *ttm, struct ttm_resource *bo_mem);
/**
* struct ttm_backend_func member unbind
@@ -70,7 +70,7 @@ struct ttm_backend_func {
* Unbind previously bound backend pages. This function should be
* able to handle differences between aperture and system page sizes.
*/
void (*unbind) (struct ttm_tt *ttm);
void (*unbind) (struct ttm_bo_device *bdev, struct ttm_tt *ttm);
/**
* struct ttm_backend_func member destroy
@@ -80,13 +80,12 @@ struct ttm_backend_func {
* Destroy the backend. This will be call back from ttm_tt_destroy so
* don't call ttm_tt_destroy from the callback or infinite loop.
*/
void (*destroy) (struct ttm_tt *ttm);
void (*destroy) (struct ttm_bo_device *bdev, struct ttm_tt *ttm);
};
/**
* struct ttm_tt
*
* @bdev: Pointer to a struct ttm_bo_device.
* @func: Pointer to a struct ttm_backend_func that describes
* the backend methods.
* pointer.
@@ -103,7 +102,6 @@ struct ttm_backend_func {
* memory.
*/
struct ttm_tt {
struct ttm_bo_device *bdev;
struct ttm_backend_func *func;
struct page **pages;
uint32_t page_flags;
@@ -183,7 +181,8 @@ void ttm_dma_tt_fini(struct ttm_dma_tt *ttm_dma);
*
* Bind the pages of @ttm to an aperture location identified by @bo_mem
*/
int ttm_tt_bind(struct ttm_tt *ttm, struct ttm_resource *bo_mem,
int ttm_tt_bind(struct ttm_bo_device *bdev,
struct ttm_tt *ttm, struct ttm_resource *bo_mem,
struct ttm_operation_ctx *ctx);
/**
@@ -193,7 +192,7 @@ int ttm_tt_bind(struct ttm_tt *ttm, struct ttm_resource *bo_mem,
*
* Unbind, unpopulate and destroy common struct ttm_tt.
*/
void ttm_tt_destroy(struct ttm_tt *ttm);
void ttm_tt_destroy(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
/**
* ttm_ttm_unbind:
@@ -202,7 +201,7 @@ void ttm_tt_destroy(struct ttm_tt *ttm);
*
* Unbind a struct ttm_tt.
*/
void ttm_tt_unbind(struct ttm_tt *ttm);
void ttm_tt_unbind(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
/**
* ttm_tt_swapin:
@@ -227,7 +226,7 @@ int ttm_tt_swapin(struct ttm_tt *ttm);
* and cache flushes and potential page splitting / combining.
*/
int ttm_tt_set_placement_caching(struct ttm_tt *ttm, uint32_t placement);
int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistent_swap_storage);
int ttm_tt_swapout(struct ttm_bo_device *bdev, struct ttm_tt *ttm, struct file *persistent_swap_storage);
/**
* ttm_tt_populate - allocate pages for a ttm
@@ -236,7 +235,7 @@ int ttm_tt_swapout(struct ttm_tt *ttm, struct file *persistent_swap_storage);
*
* Calls the driver method to allocate pages for a ttm
*/
int ttm_tt_populate(struct ttm_tt *ttm, struct ttm_operation_ctx *ctx);
int ttm_tt_populate(struct ttm_bo_device *bdev, struct ttm_tt *ttm, struct ttm_operation_ctx *ctx);
/**
* ttm_tt_unpopulate - free pages from a ttm
@@ -245,7 +244,7 @@ int ttm_tt_populate(struct ttm_tt *ttm, struct ttm_operation_ctx *ctx);
*
* Calls the driver method to free all pages from a ttm
*/
void ttm_tt_unpopulate(struct ttm_tt *ttm);
void ttm_tt_unpopulate(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
#if IS_ENABLED(CONFIG_AGP)
#include <linux/agp_backend.h>
@@ -265,8 +264,8 @@ void ttm_tt_unpopulate(struct ttm_tt *ttm);
struct ttm_tt *ttm_agp_tt_create(struct ttm_buffer_object *bo,
struct agp_bridge_data *bridge,
uint32_t page_flags);
int ttm_agp_tt_populate(struct ttm_tt *ttm, struct ttm_operation_ctx *ctx);
void ttm_agp_tt_unpopulate(struct ttm_tt *ttm);
int ttm_agp_tt_populate(struct ttm_bo_device *bdev, struct ttm_tt *ttm, struct ttm_operation_ctx *ctx);
void ttm_agp_tt_unpopulate(struct ttm_bo_device *bdev, struct ttm_tt *ttm);
#endif
#endif