1 files changed, 47 insertions, 10 deletions

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index c171a2d93bb6..174c0c3ba0b0 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1088,6 +1088,19 @@ i915_gem_evict_something(struct drm_device *dev)
 }
 
 static int
+i915_gem_evict_everything(struct drm_device *dev)
+{
+        int ret;
+
+        for (;;) {
+                ret = i915_gem_evict_something(dev);
+                if (ret != 0)
+                        break;
+        }
+        return ret;
+}
+
+static int
 i915_gem_object_get_page_list(struct drm_gem_object *obj)
 {
         struct drm_i915_gem_object *obj_priv = obj->driver_private;
@@ -1173,7 +1186,8 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment)
 
                 ret = i915_gem_evict_something(dev);
                 if (ret != 0) {
-                        DRM_ERROR("Failed to evict a buffer %d\n", ret);
+                        if (ret != -ERESTARTSYS)
+                                DRM_ERROR("Failed to evict a buffer %d\n", ret);
                         return ret;
                 }
                 goto search_free;
@@ -1922,6 +1936,7 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
         int ret, i, pinned = 0;
         uint64_t exec_offset;
         uint32_t seqno, flush_domains;
+        int pin_tries;
 
 #if WATCH_EXEC
         DRM_INFO("buffers_ptr %d buffer_count %d len %08x\n",
@@ -1970,7 +1985,7 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
                 return -EBUSY;
         }
 
-        /* Look up object handles and perform the relocations */
+        /* Look up object handles */
         for (i = 0; i < args->buffer_count; i++) {
                 object_list[i] = drm_gem_object_lookup(dev, file_priv,
                                                        exec_list[i].handle);
@@ -1980,17 +1995,39 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
                         ret = -EBADF;
                         goto err;
                 }
+        }
 
-                object_list[i]->pending_read_domains = 0;
-                object_list[i]->pending_write_domain = 0;
-                ret = i915_gem_object_pin_and_relocate(object_list[i],
-                                                       file_priv,
-                                                       &exec_list[i]);
-                if (ret) {
-                        DRM_ERROR("object bind and relocate failed %d\n", ret);
+        /* Pin and relocate */
+        for (pin_tries = 0; ; pin_tries++) {
+                ret = 0;
+                for (i = 0; i < args->buffer_count; i++) {
+                        object_list[i]->pending_read_domains = 0;
+                        object_list[i]->pending_write_domain = 0;
+                        ret = i915_gem_object_pin_and_relocate(object_list[i],
+                                                               file_priv,
+                                                               &exec_list[i]);
+                        if (ret)
+                                break;
+                        pinned = i + 1;
+                }
+                /* success */
+                if (ret == 0)
+                        break;
+
+                /* error other than GTT full, or we've already tried again */
+                if (ret != -ENOMEM || pin_tries >= 1) {
+                        DRM_ERROR("Failed to pin buffers %d\n", ret);
                         goto err;
                 }
-                pinned = i + 1;
+
+                /* unpin all of our buffers */
+                for (i = 0; i < pinned; i++)
+                        i915_gem_object_unpin(object_list[i]);
+
+                /* evict everyone we can from the aperture */
+                ret = i915_gem_evict_everything(dev);
+                if (ret)
+                        goto err;
         }
 
         /* Set the pending read domains for the batch buffer to COMMAND */