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path: root/drivers/gpu/drm/i915/intel_ringbuffer.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_ringbuffer.c')
-rw-r--r--drivers/gpu/drm/i915/intel_ringbuffer.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 27b24000412f..b293e1dedb8e 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -1003,11 +1003,7 @@ i915_emit_bb_start(struct i915_request *rq,
1003 return 0; 1003 return 0;
1004} 1004}
1005 1005
1006 1006int intel_ring_pin(struct intel_ring *ring, struct drm_i915_private *i915)
1007
1008int intel_ring_pin(struct intel_ring *ring,
1009 struct drm_i915_private *i915,
1010 unsigned int offset_bias)
1011{ 1007{
1012 enum i915_map_type map = HAS_LLC(i915) ? I915_MAP_WB : I915_MAP_WC; 1008 enum i915_map_type map = HAS_LLC(i915) ? I915_MAP_WB : I915_MAP_WC;
1013 struct i915_vma *vma = ring->vma; 1009 struct i915_vma *vma = ring->vma;
@@ -1017,10 +1013,11 @@ int intel_ring_pin(struct intel_ring *ring,
1017 1013
1018 GEM_BUG_ON(ring->vaddr); 1014 GEM_BUG_ON(ring->vaddr);
1019 1015
1020
1021 flags = PIN_GLOBAL; 1016 flags = PIN_GLOBAL;
1022 if (offset_bias) 1017
1023 flags |= PIN_OFFSET_BIAS | offset_bias; 1018 /* Ring wraparound at offset 0 sometimes hangs. No idea why. */
1019 flags |= PIN_OFFSET_BIAS | i915_ggtt_pin_bias(vma);
1020
1024 if (vma->obj->stolen) 1021 if (vma->obj->stolen)
1025 flags |= PIN_MAPPABLE; 1022 flags |= PIN_MAPPABLE;
1026 else 1023 else
@@ -1408,8 +1405,7 @@ static int intel_init_ring_buffer(struct intel_engine_cs *engine)
1408 goto err; 1405 goto err;
1409 } 1406 }
1410 1407
1411 /* Ring wraparound at offset 0 sometimes hangs. No idea why. */ 1408 err = intel_ring_pin(ring, engine->i915);
1412 err = intel_ring_pin(ring, engine->i915, I915_GTT_PAGE_SIZE);
1413 if (err) 1409 if (err)
1414 goto err_ring; 1410 goto err_ring;
1415 1411