Commit 738edc0a authored by Dave Airlie's avatar Dave Airlie
Browse files

drm/ttm/agp: export bind/unbind/destroy for drivers to use. 



Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Reviewed-by: default avatarBen Skeggs <bskeggs@redhat.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200907204630.1406528-5-airlied@gmail.com
parent dc2caa30

drivers/gpu/drm/ttm/ttm_agp_backend.c

+9 −6
Original line number Diff line number Diff line
@@ -48,7 +48,7 @@ struct ttm_agp_backend { 
	struct agp_bridge_data *bridge;

};



static int ttm_agp_bind(struct ttm_bo_device *bdev,

int ttm_agp_bind(struct ttm_bo_device *bdev,

		 struct ttm_tt *ttm, struct ttm_resource *bo_mem)

{

	struct ttm_agp_backend *agp_be = container_of(ttm, struct ttm_agp_backend, ttm);
@@ -82,8 +82,9 @@ static int ttm_agp_bind(struct ttm_bo_device *bdev, 


	return ret;

}

EXPORT_SYMBOL(ttm_agp_bind);



static void ttm_agp_unbind(struct ttm_bo_device *bdev,

void ttm_agp_unbind(struct ttm_bo_device *bdev,

		    struct ttm_tt *ttm)

{

	struct ttm_agp_backend *agp_be = container_of(ttm, struct ttm_agp_backend, ttm);
@@ -97,8 +98,9 @@ static void ttm_agp_unbind(struct ttm_bo_device *bdev, 
		agp_be->mem = NULL;

	}

}

EXPORT_SYMBOL(ttm_agp_unbind);



static void ttm_agp_destroy(struct ttm_bo_device *bdev,

void ttm_agp_destroy(struct ttm_bo_device *bdev,

		     struct ttm_tt *ttm)

{

	struct ttm_agp_backend *agp_be = container_of(ttm, struct ttm_agp_backend, ttm);
@@ -108,6 +110,7 @@ static void ttm_agp_destroy(struct ttm_bo_device *bdev, 
	ttm_tt_fini(ttm);

	kfree(agp_be);

}

EXPORT_SYMBOL(ttm_agp_destroy);



static struct ttm_backend_func ttm_agp_func = {

	.bind = ttm_agp_bind,

include/drm/ttm/ttm_tt.h

+6 −0
Original line number Diff line number Diff line
@@ -266,6 +266,12 @@ struct ttm_tt *ttm_agp_tt_create(struct ttm_buffer_object *bo, 
				 uint32_t page_flags);

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);

int ttm_agp_bind(struct ttm_bo_device *bdev,

		 struct ttm_tt *ttm, struct ttm_resource *bo_mem);

void ttm_agp_unbind(struct ttm_bo_device *bdev,

		    struct ttm_tt *ttm);

void ttm_agp_destroy(struct ttm_bo_device *bdev,

		     struct ttm_tt *ttm);

#endif



#endif