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drm/ttm: cleanup ttm_tt_(unbind|destroy) 

ttm_tt_destroy should be the only one unbinding the object.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2016-06-06 10:17:50 +02:00 committed by Alex Deucher
parent 14b3307429
commit 089f16c55b
4 changed files with 5 additions and 26 deletions
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2
drivers/gpu/drm/ttm/ttm_bo.c
View File

@ -397,7 +397,6 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo,
out_err:
new_man = &bdev->man[bo->mem.mem_type];
if ((new_man->flags & TTM_MEMTYPE_FLAG_FIXED) && bo->ttm) {
ttm_tt_unbind(bo->ttm);
ttm_tt_destroy(bo->ttm);
bo->ttm = NULL;
}
@ -419,7 +418,6 @@ static void ttm_bo_cleanup_memtype_use(struct ttm_buffer_object *bo)
bo->bdev->driver->move_notify(bo, NULL);
if (bo->ttm) {
ttm_tt_unbind(bo->ttm);
ttm_tt_destroy(bo->ttm);
bo->ttm = NULL;
}

3
drivers/gpu/drm/ttm/ttm_bo_util.c
View File

@ -53,7 +53,6 @@ int ttm_bo_move_ttm(struct ttm_buffer_object *bo,
int ret;
if (old_mem->mem_type != TTM_PL_SYSTEM) {
ttm_tt_unbind(ttm);
ttm_bo_free_old_node(bo);
ttm_flag_masked(&old_mem->placement, TTM_PL_FLAG_SYSTEM,
TTM_PL_MASK_MEM);
@ -402,7 +401,6 @@ int ttm_bo_move_memcpy(struct ttm_buffer_object *bo,
new_mem->mm_node = NULL;
if ((man->flags & TTM_MEMTYPE_FLAG_FIXED) && (ttm != NULL)) {
ttm_tt_unbind(ttm);
ttm_tt_destroy(ttm);
bo->ttm = NULL;
}
@ -651,7 +649,6 @@ int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo,
if ((man->flags & TTM_MEMTYPE_FLAG_FIXED) &&
(bo->ttm != NULL)) {
ttm_tt_unbind(bo->ttm);
ttm_tt_destroy(bo->ttm);
bo->ttm = NULL;
}

17
drivers/gpu/drm/ttm/ttm_tt.c
View File

@ -166,11 +166,15 @@ EXPORT_SYMBOL(ttm_tt_set_placement_caching);
void ttm_tt_destroy(struct ttm_tt *ttm)
{
int ret;
if (unlikely(ttm == NULL))
return;
if (ttm->state == tt_bound) {
ttm_tt_unbind(ttm);
ret = ttm->func->unbind(ttm);
BUG_ON(ret);
ttm->state = tt_unbound;
}
if (ttm->state == tt_unbound)
@ -251,17 +255,6 @@ void ttm_dma_tt_fini(struct ttm_dma_tt *ttm_dma)
}
EXPORT_SYMBOL(ttm_dma_tt_fini);
void ttm_tt_unbind(struct ttm_tt *ttm)
{
int ret;
if (ttm->state == tt_bound) {
ret = ttm->func->unbind(ttm);
BUG_ON(ret);
ttm->state = tt_unbound;
}
}
int ttm_tt_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem)
{
int ret = 0;

9
include/drm/ttm/ttm_bo_driver.h
View File

@ -622,15 +622,6 @@ extern int ttm_tt_bind(struct ttm_tt *ttm, struct ttm_mem_reg *bo_mem);
*/
extern void ttm_tt_destroy(struct ttm_tt *ttm);
/**
* ttm_ttm_unbind:
*
* @ttm: The struct ttm_tt.
*
* Unbind a struct ttm_tt.
*/
extern void ttm_tt_unbind(struct ttm_tt *ttm);
/**
* ttm_tt_swapin:
*