aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/ttm/ttm_bo.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_bo.c')
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo.c25
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 55890314316b..97ac662a47cb 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -643,7 +643,7 @@ static int ttm_bo_evict(struct ttm_buffer_object *bo,
ttm_bo_wait(bo, false, false);
ttm_bo_cleanup_memtype_use(bo);
- return 0;
+ return ttm_tt_create(bo, false);
}
evict_mem = bo->mem;
@@ -844,8 +844,10 @@ static int ttm_bo_add_move_fence(struct ttm_buffer_object *bo,
if (!fence)
return 0;
- if (no_wait_gpu)
+ if (no_wait_gpu) {
+ dma_fence_put(fence);
return -EBUSY;
+ }
dma_resv_add_shared_fence(bo->base.resv, fence);
@@ -1152,8 +1154,13 @@ int ttm_bo_validate(struct ttm_buffer_object *bo,
/*
* Remove the backing store if no placement is given.
*/
- if (!placement->num_placement && !placement->num_busy_placement)
- return ttm_bo_pipeline_gutting(bo);
+ if (!placement->num_placement && !placement->num_busy_placement) {
+ ret = ttm_bo_pipeline_gutting(bo);
+ if (ret)
+ return ret;
+
+ return ttm_tt_create(bo, false);
+ }
/*
* Check whether we need to move buffer.
@@ -1170,6 +1177,14 @@ int ttm_bo_validate(struct ttm_buffer_object *bo,
ttm_flag_masked(&bo->mem.placement, new_flags,
~TTM_PL_MASK_MEMTYPE);
}
+ /*
+ * We might need to add a TTM.
+ */
+ if (bo->mem.mem_type == TTM_PL_SYSTEM && bo->ttm == NULL) {
+ ret = ttm_tt_create(bo, true);
+ if (ret)
+ return ret;
+ }
return 0;
}
EXPORT_SYMBOL(ttm_bo_validate);
@@ -1673,7 +1688,7 @@ out:
}
EXPORT_SYMBOL(ttm_bo_swapout);
-void ttm_bo_swapout_all(struct ttm_bo_device *bdev)
+void ttm_bo_swapout_all(void)
{
struct ttm_operation_ctx ctx = {
.interruptible = false,