diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index ec7fbf956ff5..fd8d37f97a45 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -31,6 +31,8 @@
 #include "../../../platform/x86/intel_ips.h"
 #include <linux/module.h>
 
+#define FORCEWAKE_ACK_TIMEOUT_US 500
+
 /* FBC, or Frame Buffer Compression, is a technique employed to compress the
  * framebuffer contents in-memory, aiming at reducing the required bandwidth
  * during in-memory transfers and, therefore, reduce the power packet.
@@ -3962,13 +3964,15 @@ static void __gen6_gt_force_wake_get(struct drm_i915_private *dev_priv)
 	else
 		forcewake_ack = FORCEWAKE_ACK;
 
-	if (wait_for_atomic_us((I915_READ_NOTRACE(forcewake_ack) & 1) == 0, 500))
+	if (wait_for_atomic_us((I915_READ_NOTRACE(forcewake_ack) & 1) == 0,
+			       FORCEWAKE_ACK_TIMEOUT_US))
 		DRM_ERROR("Timed out waiting for forcewake old ack to clear.\n");
 
 	I915_WRITE_NOTRACE(FORCEWAKE, 1);
 	POSTING_READ(FORCEWAKE);
 
-	if (wait_for_atomic_us((I915_READ_NOTRACE(forcewake_ack) & 1), 500))
+	if (wait_for_atomic_us((I915_READ_NOTRACE(forcewake_ack) & 1),
+			       FORCEWAKE_ACK_TIMEOUT_US))
 		DRM_ERROR("Timed out waiting for forcewake to ack request.\n");
 
 	__gen6_gt_wait_for_thread_c0(dev_priv);
@@ -3983,13 +3987,15 @@ static void __gen6_gt_force_wake_mt_get(struct drm_i915_private *dev_priv)
 	else
 		forcewake_ack = FORCEWAKE_MT_ACK;
 
-	if (wait_for_atomic_us((I915_READ_NOTRACE(forcewake_ack) & 1) == 0, 500))
+	if (wait_for_atomic_us((I915_READ_NOTRACE(forcewake_ack) & 1) == 0,
+			       FORCEWAKE_ACK_TIMEOUT_US))
 		DRM_ERROR("Timed out waiting for forcewake old ack to clear.\n");
 
 	I915_WRITE_NOTRACE(FORCEWAKE_MT, _MASKED_BIT_ENABLE(1));
 	POSTING_READ(FORCEWAKE_MT);
 
-	if (wait_for_atomic_us((I915_READ_NOTRACE(forcewake_ack) & 1), 500))
+	if (wait_for_atomic_us((I915_READ_NOTRACE(forcewake_ack) & 1),
+			       FORCEWAKE_ACK_TIMEOUT_US))
 		DRM_ERROR("Timed out waiting for forcewake to ack request.\n");
 
 	__gen6_gt_wait_for_thread_c0(dev_priv);
@@ -4069,12 +4075,14 @@ int __gen6_gt_wait_for_fifo(struct drm_i915_private *dev_priv)
 
 static void vlv_force_wake_get(struct drm_i915_private *dev_priv)
 {
-	if (wait_for_atomic_us((I915_READ_NOTRACE(FORCEWAKE_ACK_VLV) & 1) == 0, 500))
+	if (wait_for_atomic_us((I915_READ_NOTRACE(FORCEWAKE_ACK_VLV) & 1) == 0,
+			       FORCEWAKE_ACK_TIMEOUT_US))
 		DRM_ERROR("Timed out waiting for forcewake old ack to clear.\n");
 
 	I915_WRITE_NOTRACE(FORCEWAKE_VLV, _MASKED_BIT_ENABLE(1));
 
-	if (wait_for_atomic_us((I915_READ_NOTRACE(FORCEWAKE_ACK_VLV) & 1), 500))
+	if (wait_for_atomic_us((I915_READ_NOTRACE(FORCEWAKE_ACK_VLV) & 1),
+			       FORCEWAKE_ACK_TIMEOUT_US))
 		DRM_ERROR("Timed out waiting for forcewake to ack request.\n");
 
 	__gen6_gt_wait_for_thread_c0(dev_priv);