1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c
index 1f46a8bf2b05..42ff97d667d2 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -515,6 +515,11 @@ static int init_render_ring(struct intel_ring_buffer *ring)
         if (INTEL_INFO(dev)->gen >= 6)
                 I915_WRITE(MI_MODE, _MASKED_BIT_ENABLE(ASYNC_FLIP_PERF_DISABLE));
 
+        /* Required for the hardware to program scanline values for waiting */
+        if (INTEL_INFO(dev)->gen == 6)
+                I915_WRITE(GFX_MODE,
+                           _MASKED_BIT_ENABLE(GFX_TLB_INVALIDATE_ALWAYS));
+
         if (IS_GEN7(dev))
                 I915_WRITE(GFX_MODE_GEN7,
                            _MASKED_BIT_DISABLE(GFX_TLB_INVALIDATE_ALWAYS) |