drm/i915/icp: Add Wa_14010685332

[linux-2.6-microblaze.git] / drivers / gpu / drm / i915 / i915_irq.c

diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 0b8b0c0..ea4c877 100644 (file)
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -2870,6 +2870,14 @@ static void gen11_display_irq_reset(struct drm_i915_private *dev_priv)
 
        if (INTEL_PCH_TYPE(dev_priv) >= PCH_ICP)
                GEN3_IRQ_RESET(uncore, SDE);
+
+       /* Wa_14010685332:icl */
+       if (INTEL_PCH_TYPE(dev_priv) == PCH_ICP) {
+               intel_uncore_rmw(uncore, SOUTH_CHICKEN1,
+                                SBCLK_RUN_REFCLK_DIS, SBCLK_RUN_REFCLK_DIS);
+               intel_uncore_rmw(uncore, SOUTH_CHICKEN1,
+                                SBCLK_RUN_REFCLK_DIS, 0);
+       }
 }
 
 static void gen11_irq_reset(struct drm_i915_private *dev_priv)