drm/i915/ringbuffer: Remove duplicate initialisation of ring control

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 1 insertions, 11 deletions

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 0f1693981ee6..4d00da97905f 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -578,7 +578,6 @@ err:
 int intel_init_ring_buffer(struct drm_device *dev,
                            struct intel_ring_buffer *ring)
 {
-        struct drm_i915_private *dev_priv = dev->dev_private;
         struct drm_i915_gem_object *obj_priv;
         struct drm_gem_object *obj;
         int ret;
@@ -626,16 +625,7 @@ int intel_init_ring_buffer(struct drm_device *dev,
         if (ret)
                 goto err_unmap;
 
-        if (!drm_core_check_feature(dev, DRIVER_MODESET))
-                i915_kernel_lost_context(dev);
-        else {
-                ring->head = I915_READ_HEAD(ring) & HEAD_ADDR;
-                ring->tail = I915_READ_TAIL(ring) & TAIL_ADDR;
-                ring->space = ring->head - (ring->tail + 8);
-                if (ring->space < 0)
-                        ring->space += ring->size;
-        }
-        return ret;
+        return 0;
 
 err_unmap:
         drm_core_ioremapfree(&ring->map, dev);