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-rw-r--r--drivers/gpu/drm/i915/i915_irq.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 5fd5080c4ccb..7056ae2d1e0e 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -4089,6 +4089,7 @@ static int gen11_irq_postinstall(struct drm_device *dev)
I915_WRITE(GEN11_DISPLAY_INT_CTL, GEN11_DISPLAY_IRQ_ENABLE);
gen11_master_intr_enable(dev_priv->regs);
+ POSTING_READ(GEN11_GFX_MSTR_IRQ);
return 0;
}