diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp.c b/drivers/gpu/drm/i915/pxp/intel_pxp.c
index 14ab7c97800ec4ae2b01a74be1a9aaf6f011c11a..f7166dd71d8f0f8f1f020a2f6d234417ae72b0df 100644
--- a/drivers/gpu/drm/i915/pxp/intel_pxp.c
+++ b/drivers/gpu/drm/i915/pxp/intel_pxp.c
@@ -12,6 +12,23 @@ struct intel_gt *pxp_to_gt(const struct intel_pxp *pxp)
 	return container_of(pxp, struct intel_gt, pxp);
 }
 
+/* KCR register definitions */
+#define KCR_INIT _MMIO(0x320f0)
+/* Setting KCR Init bit is required after system boot */
+#define KCR_INIT_ALLOW_DISPLAY_ME_WRITES REG_BIT(14)
+
+static void kcr_pxp_enable(struct intel_gt *gt)
+{
+	intel_uncore_write(gt->uncore, KCR_INIT,
+			   _MASKED_BIT_ENABLE(KCR_INIT_ALLOW_DISPLAY_ME_WRITES));
+}
+
+static void kcr_pxp_disable(struct intel_gt *gt)
+{
+	intel_uncore_write(gt->uncore, KCR_INIT,
+			   _MASKED_BIT_DISABLE(KCR_INIT_ALLOW_DISPLAY_ME_WRITES));
+}
+
 static int create_vcs_context(struct intel_pxp *pxp)
 {
 	static struct lock_class_key pxp_lock;
@@ -79,5 +96,14 @@ void intel_pxp_fini(struct intel_pxp *pxp)
 	intel_pxp_tee_component_fini(pxp);
 
 	destroy_vcs_context(pxp);
+}
+
+void intel_pxp_init_hw(struct intel_pxp *pxp)
+{
+	kcr_pxp_enable(pxp_to_gt(pxp));
+}
 
+void intel_pxp_fini_hw(struct intel_pxp *pxp)
+{
+	kcr_pxp_disable(pxp_to_gt(pxp));
 }
diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp.h b/drivers/gpu/drm/i915/pxp/intel_pxp.h
index 73acd879f2fb33209d87137c97c2595e4c363074..cd6560b2605ca19b8df4ed8fdf3e4aa8b0e84a39 100644
--- a/drivers/gpu/drm/i915/pxp/intel_pxp.h
+++ b/drivers/gpu/drm/i915/pxp/intel_pxp.h
@@ -17,6 +17,9 @@ static inline bool intel_pxp_is_enabled(const struct intel_pxp *pxp)
 struct intel_gt *pxp_to_gt(const struct intel_pxp *pxp);
 void intel_pxp_init(struct intel_pxp *pxp);
 void intel_pxp_fini(struct intel_pxp *pxp);
+
+void intel_pxp_init_hw(struct intel_pxp *pxp);
+void intel_pxp_fini_hw(struct intel_pxp *pxp);
 #else
 static inline void intel_pxp_init(struct intel_pxp *pxp)
 {
diff --git a/drivers/gpu/drm/i915/pxp/intel_pxp_tee.c b/drivers/gpu/drm/i915/pxp/intel_pxp_tee.c
index f1d8de832653cb0fc5ab48925ee6dd710663a913..0c0c7946e6a0da0d1f4558d1f319e28d849e0f65 100644
--- a/drivers/gpu/drm/i915/pxp/intel_pxp_tee.c
+++ b/drivers/gpu/drm/i915/pxp/intel_pxp_tee.c
@@ -33,6 +33,9 @@ static int i915_pxp_tee_component_bind(struct device *i915_kdev,
 	pxp->pxp_component = data;
 	pxp->pxp_component->tee_dev = tee_kdev;
 
+	/* the component is required to fully start the PXP HW */
+	intel_pxp_init_hw(pxp);
+
 	return 0;
 }
 
@@ -41,6 +44,8 @@ static void i915_pxp_tee_component_unbind(struct device *i915_kdev,
 {
 	struct intel_pxp *pxp = i915_dev_to_pxp(i915_kdev);
 
+	intel_pxp_fini_hw(pxp);
+
 	pxp->pxp_component = NULL;
 }