diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c index 76dd9e5e1a8b..dd188dfcc423 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm_move.c @@ -253,6 +253,7 @@ static struct dma_fence *i915_ttm_accel_move(struct ttm_buffer_object *bo, * @_src_iter: Storage space for the source kmap iterator. * @dst_iter: Pointer to the destination kmap iterator. * @src_iter: Pointer to the source kmap iterator. + * @num_pages: Number of pages * @clear: Whether to clear instead of copy. * @src_rsgt: Refcounted scatter-gather list of source memory. * @dst_rsgt: Refcounted scatter-gather list of destination memory. @@ -557,6 +558,8 @@ out: * i915_ttm_move - The TTM move callback used by i915. * @bo: The buffer object. * @evict: Whether this is an eviction. + * @ctx: Pointer to a struct ttm_operation_ctx indicating how the waits should be + * performed if waiting * @dst_mem: The destination ttm resource. * @hop: If we need multihop, what temporary memory type to move to. * @@ -711,6 +714,10 @@ int i915_gem_obj_copy_ttm(struct drm_i915_gem_object *dst, assert_object_held(dst); assert_object_held(src); + + if (GEM_WARN_ON(!src_bo->resource || !dst_bo->resource)) + return -EINVAL; + i915_deps_init(&deps, GFP_KERNEL | __GFP_NORETRY | __GFP_NOWARN); ret = dma_resv_reserve_fences(src_bo->base.resv, 1); |