[PATCH 01/10] drm/ttm: cleanup ttm_tt_(unbind|destroy)

[Christian König]

From: Christian König <christian.koe...@amd.com>

ttm_tt_destroy should be the only one unbinding the object.

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 drivers/gpu/drm/ttm/ttm_bo.c      |  2 --
 drivers/gpu/drm/ttm/ttm_bo_util.c |  3 ---
 drivers/gpu/drm/ttm/ttm_tt.c      | 17 +++++------------
 include/drm/ttm/ttm_bo_driver.h   |  9 ---------
 4 files changed, 5 insertions(+), 26 deletions(-)

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 39386f5..4216b31 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -397,7 +397,6 @@ moved:
 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;
        }
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c 
b/drivers/gpu/drm/ttm/ttm_bo_util.c
index d983155..4194b7e 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -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 @@ out2:
        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;
                }
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index 077ae9b..79f6323 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -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;
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 513f7f9..da6ee17 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -623,15 +623,6 @@ 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:
  *
  * @ttm: The struct ttm_tt.
-- 
2.5.0