drm/i915: Allocate ringbuffers from stolen memory

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Acked-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index bc7cf7c..36e1e13 100644 (file)
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1113,7 +1113,11 @@ static int intel_init_ring_buffer(struct drm_device *dev,
                        return ret;
        }
 
-       obj = i915_gem_alloc_object(dev, ring->size);
+       obj = NULL;
+       if (!HAS_LLC(dev))
+               obj = i915_gem_object_create_stolen(dev, ring->size);
+       if (obj == NULL)
+               obj = i915_gem_alloc_object(dev, ring->size);
        if (obj == NULL) {
                DRM_ERROR("Failed to allocate ringbuffer\n");
                ret = -ENOMEM;