The driver is now responsible to allocate enough shared slots.
Signed-off-by: Christian König <christian.koe...@amd.com>
---
drivers/gpu/drm/ttm/ttm_bo.c | 27 ++++++---------------------
1 file changed, 6 insertions(+), 21 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 461b318ca2a6..7cf6c9d06364 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -873,12 +873,11 @@ EXPORT_SYMBOL(ttm_bo_mem_put);
/**
* Add the last move fence to the BO and reserve a new shared slot.
*/
-static int ttm_bo_add_move_fence(struct ttm_buffer_object *bo,
- struct ttm_mem_type_manager *man,
- struct ttm_mem_reg *mem)
+static void ttm_bo_add_move_fence(struct ttm_buffer_object *bo,
+ struct ttm_mem_type_manager *man,
+ struct ttm_mem_reg *mem)
{
struct dma_fence *fence;
- int ret;
spin_lock(&man->move_lock);
fence = dma_fence_get(man->move);
@@ -886,16 +885,9 @@ static int ttm_bo_add_move_fence(struct ttm_buffer_object
*bo,
if (fence) {
reservation_object_add_shared_fence(bo->resv, fence);
-
- ret = reservation_object_reserve_shared(bo->resv, 1);
- if (unlikely(ret))
- return ret;
-
dma_fence_put(bo->moving);
bo->moving = fence;
}
-
- return 0;
}
/**
@@ -923,7 +915,8 @@ static int ttm_bo_mem_force_space(struct ttm_buffer_object
*bo,
return ret;
} while (1);
mem->mem_type = mem_type;
- return ttm_bo_add_move_fence(bo, man, mem);
+ ttm_bo_add_move_fence(bo, man, mem);
+ return 0;
}
static uint32_t ttm_bo_select_caching(struct ttm_mem_type_manager *man,
@@ -992,10 +985,6 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
bool has_erestartsys = false;
int i, ret;
- ret = reservation_object_reserve_shared(bo->resv, 1);
- if (unlikely(ret))
- return ret;
-
mem->mm_node = NULL;
for (i = 0; i < placement->num_placement; ++i) {
const struct ttm_place *place = &placement->placement[i];
@@ -1031,11 +1020,7 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
return ret;
if (mem->mm_node) {
- ret = ttm_bo_add_move_fence(bo, man, mem);
- if (unlikely(ret)) {
- (*man->func->put_node)(man, mem);
- return ret;
- }
+ ttm_bo_add_move_fence(bo, man, mem);
break;
}
}
--
2.14.1
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