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-rw-r--r--drivers/gpu/drm/i915/display/intel_fbc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_fbc.c b/drivers/gpu/drm/i915/display/intel_fbc.c
index 010b1107671f..2e5d835a9eaa 100644
--- a/drivers/gpu/drm/i915/display/intel_fbc.c
+++ b/drivers/gpu/drm/i915/display/intel_fbc.c
@@ -321,7 +321,7 @@ static void gen7_fbc_activate(struct drm_i915_private *dev_priv)
SNB_CPU_FENCE_ENABLE | params->fence_id);
intel_de_write(dev_priv, DPFC_CPU_FENCE_OFFSET,
params->crtc.fence_y_offset);
- } else {
+ } else if (dev_priv->ggtt.num_fences) {
intel_de_write(dev_priv, SNB_DPFC_CTL_SA, 0);
intel_de_write(dev_priv, DPFC_CPU_FENCE_OFFSET, 0);
}