[Intel-gfx] [PATCH v2 19/22] drm/i915: don't allocate the ring in stolen if we lack aperture

[Matthew Auld]

Since we have no way access it from the CPU. For such cases just
fallback to internal objects.

Signed-off-by: Matthew Auld <matthew.auld at intel.com>
---
 drivers/gpu/drm/i915/gt/intel_ringbuffer.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_ringbuffer.c b/drivers/gpu/drm/i915/gt/intel_ringbuffer.c
index e220c09c6f32..c48f1d20af5f 100644
--- a/drivers/gpu/drm/i915/gt/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/gt/intel_ringbuffer.c
@@ -1273,7 +1273,9 @@ static struct i915_vma *create_ring_vma(struct i915_ggtt *ggtt, int size)
 	struct drm_i915_gem_object *obj;
 	struct i915_vma *vma;
 
-	obj = i915_gem_object_create_stolen(i915, size);
+	obj = ERR_PTR(-ENODEV);
+	if (HAS_MAPPABLE_APERTURE(i915))
+		obj = i915_gem_object_create_stolen(i915, size);
 	if (IS_ERR(obj))
 		obj = i915_gem_object_create_internal(i915, size);
 	if (IS_ERR(obj))
-- 
2.20.1