diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_execbuffer.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_execbuffer.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index 601156c353cc..33c85227643d 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -1131,13 +1131,25 @@ i915_gem_execbuffer_move_to_gpu(struct drm_i915_gem_request *req, list_for_each_entry(vma, vmas, exec_list) { struct drm_i915_gem_object *obj = vma->obj; + struct reservation_object *resv; if (obj->flags & other_rings) { - ret = i915_gem_object_sync(obj, req); + ret = i915_gem_request_await_object + (req, obj, obj->base.pending_write_domain); if (ret) return ret; } + resv = i915_gem_object_get_dmabuf_resv(obj); + if (resv) { + ret = i915_sw_fence_await_reservation + (&req->submit, resv, &i915_fence_ops, + obj->base.pending_write_domain, 10*HZ, + GFP_KERNEL | __GFP_NOWARN); + if (ret < 0) + return ret; + } + if (obj->base.write_domain & I915_GEM_DOMAIN_CPU) i915_gem_clflush_object(obj, false); } @@ -1253,12 +1265,9 @@ static struct i915_gem_context * i915_gem_validate_context(struct drm_device *dev, struct drm_file *file, struct intel_engine_cs *engine, const u32 ctx_id) { - struct i915_gem_context *ctx = NULL; + struct i915_gem_context *ctx; struct i915_ctx_hang_stats *hs; - if (engine->id != RCS && ctx_id != DEFAULT_CONTEXT_HANDLE) - return ERR_PTR(-EINVAL); - ctx = i915_gem_context_lookup(file->driver_priv, ctx_id); if (IS_ERR(ctx)) return ctx; @@ -1538,13 +1547,9 @@ gen8_dispatch_bsd_engine(struct drm_i915_private *dev_priv, struct drm_i915_file_private *file_priv = file->driver_priv; /* Check whether the file_priv has already selected one ring. */ - if ((int)file_priv->bsd_engine < 0) { - /* If not, use the ping-pong mechanism to select one. */ - mutex_lock(&dev_priv->drm.struct_mutex); - file_priv->bsd_engine = dev_priv->mm.bsd_engine_dispatch_index; - dev_priv->mm.bsd_engine_dispatch_index ^= 1; - mutex_unlock(&dev_priv->drm.struct_mutex); - } + if ((int)file_priv->bsd_engine < 0) + file_priv->bsd_engine = atomic_fetch_xor(1, + &dev_priv->mm.bsd_engine_dispatch_index); return file_priv->bsd_engine; } |