diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index d09f8e6..2269b56 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1031,6 +1031,10 @@ static int i915_driver_init_mmio(struct drm_i915_private *dev_priv)
 
 	intel_uncore_init(dev_priv);
 
+	intel_device_info_init_mmio(dev_priv);
+
+	intel_uncore_prune(dev_priv);
+
 	intel_uc_init_mmio(dev_priv);
 
 	ret = intel_engines_init_mmio(dev_priv);
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 784d79c..e6a0d84 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -2854,6 +2854,11 @@ enum i915_power_well_id {
 #define GEN10_EU_DISABLE3		_MMIO(0x9140)
 #define   GEN10_EU_DIS_SS_MASK		0xff
 
+#define GEN11_GT_VEBOX_VDBOX_DISABLE	_MMIO(0x9140)
+#define   GEN11_GT_VDBOX_DISABLE_MASK	0xff
+#define   GEN11_GT_VEBOX_DISABLE_SHIFT	16
+#define   GEN11_GT_VEBOX_DISABLE_MASK	(0xff << GEN11_GT_VEBOX_DISABLE_SHIFT)
+
 #define GEN6_BSD_SLEEP_PSMI_CONTROL	_MMIO(0x12050)
 #define   GEN6_BSD_SLEEP_MSG_DISABLE	(1 << 0)
 #define   GEN6_BSD_SLEEP_FLUSH_DISABLE	(1 << 2)
diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index 9352f34..70ea654 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -595,3 +595,50 @@ void intel_driver_caps_print(const struct intel_driver_caps *caps,
 {
 	drm_printf(p, "scheduler: %x\n", caps->scheduler);
 }
+
+/*
+ * Determine which engines are fused off in our particular hardware. Since the
+ * fuse register is in the blitter powerwell, we need forcewake to be ready at
+ * this point (but later we need to prune the forcewake domains for engines that
+ * are indeed fused off).
+ */
+void intel_device_info_init_mmio(struct drm_i915_private *dev_priv)
+{
+	struct intel_device_info *info = mkwrite_device_info(dev_priv);
+	u8 vdbox_disable, vebox_disable;
+	u32 media_fuse;
+	int i;
+
+	if (INTEL_GEN(dev_priv) < 11)
+		return;
+
+	media_fuse = I915_READ(GEN11_GT_VEBOX_VDBOX_DISABLE);
+
+	vdbox_disable = media_fuse & GEN11_GT_VDBOX_DISABLE_MASK;
+	vebox_disable = (media_fuse & GEN11_GT_VEBOX_DISABLE_MASK) >>
+			GEN11_GT_VEBOX_DISABLE_SHIFT;
+
+	DRM_DEBUG_DRIVER("vdbox disable: %04x\n", vdbox_disable);
+	for (i = 0; i < I915_MAX_VCS; i++) {
+		if (!HAS_ENGINE(dev_priv, _VCS(i)))
+			continue;
+
+		if (!(BIT(i) & vdbox_disable))
+			continue;
+
+		info->ring_mask &= ~ENGINE_MASK(_VCS(i));
+		DRM_DEBUG_DRIVER("vcs%u fused off\n", i);
+	}
+
+	DRM_DEBUG_DRIVER("vebox disable: %04x\n", vebox_disable);
+	for (i = 0; i < I915_MAX_VECS; i++) {
+		if (!HAS_ENGINE(dev_priv, _VECS(i)))
+			continue;
+
+		if (!(BIT(i) & vebox_disable))
+			continue;
+
+		info->ring_mask &= ~ENGINE_MASK(_VECS(i));
+		DRM_DEBUG_DRIVER("vecs%u fused off\n", i);
+	}
+}
diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
index 4c6f83b..2233a2f 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -187,6 +187,7 @@ void intel_device_info_dump_flags(const struct intel_device_info *info,
 				  struct drm_printer *p);
 void intel_device_info_dump_runtime(const struct intel_device_info *info,
 				    struct drm_printer *p);
+void intel_device_info_init_mmio(struct drm_i915_private *dev_priv);
 
 void intel_driver_caps_print(const struct intel_driver_caps *caps,
 			     struct drm_printer *p);
diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c
index 5ae9a62..5de0d26 100644
--- a/drivers/gpu/drm/i915/intel_uncore.c
+++ b/drivers/gpu/drm/i915/intel_uncore.c
@@ -56,6 +56,10 @@
 fw_domain_reset(struct drm_i915_private *i915,
 		const struct intel_uncore_forcewake_domain *d)
 {
+	/*
+	 * We don't really know if the powerwell for the forcewake domain we are
+	 * trying to reset here does exist at this point, so no waiting for acks
+	 */
 	__raw_i915_write32(i915, d->reg_set, i915->uncore.fw_reset);
 }
 
@@ -1251,6 +1255,23 @@ static void fw_domain_init(struct drm_i915_private *dev_priv,
 	fw_domain_reset(dev_priv, d);
 }
 
+static void fw_domain_fini(struct drm_i915_private *dev_priv,
+			   enum forcewake_domain_id domain_id)
+{
+	struct intel_uncore_forcewake_domain *d;
+
+	if (WARN_ON(domain_id >= FW_DOMAIN_ID_COUNT))
+		return;
+
+	d = &dev_priv->uncore.fw_domain[domain_id];
+
+	WARN_ON(d->wake_count);
+	WARN_ON(hrtimer_cancel(&d->timer));
+	memset(d, 0, sizeof(*d));
+
+	dev_priv->uncore.fw_domains &= ~BIT(domain_id);
+}
+
 static void intel_uncore_fw_domains_init(struct drm_i915_private *dev_priv)
 {
 	if (INTEL_GEN(dev_priv) <= 5 || intel_vgpu_active(dev_priv))
@@ -1432,6 +1453,40 @@ void intel_uncore_init(struct drm_i915_private *dev_priv)
 		&dev_priv->uncore.pmic_bus_access_nb);
 }
 
+/*
+ * We might have detected that some engines are fused off after we initialized
+ * the forcewake domains. Prune them, to make sure they only reference existing
+ * engines.
+ */
+void intel_uncore_prune(struct drm_i915_private *dev_priv)
+{
+	if (INTEL_GEN(dev_priv) >= 11) {
+		enum forcewake_domains fw_domains = dev_priv->uncore.fw_domains;
+		enum forcewake_domain_id domain_id;
+		int i;
+
+		for (i = 0; i < I915_MAX_VCS; i++) {
+			domain_id = FW_DOMAIN_ID_MEDIA_VDBOX0 + i;
+
+			if (HAS_ENGINE(dev_priv, _VCS(i)))
+				continue;
+
+			if (fw_domains & BIT(domain_id))
+				fw_domain_fini(dev_priv, domain_id);
+		}
+
+		for (i = 0; i < I915_MAX_VECS; i++) {
+			domain_id = FW_DOMAIN_ID_MEDIA_VEBOX0 + i;
+
+			if (HAS_ENGINE(dev_priv, _VECS(i)))
+				continue;
+
+			if (fw_domains & BIT(domain_id))
+				fw_domain_fini(dev_priv, domain_id);
+		}
+	}
+}
+
 void intel_uncore_fini(struct drm_i915_private *dev_priv)
 {
 	/* Paranoia: make sure we have disabled everything before we exit. */
diff --git a/drivers/gpu/drm/i915/intel_uncore.h b/drivers/gpu/drm/i915/intel_uncore.h
index 53ef77d..28feabf 100644
--- a/drivers/gpu/drm/i915/intel_uncore.h
+++ b/drivers/gpu/drm/i915/intel_uncore.h
@@ -129,6 +129,7 @@ struct intel_uncore {
 
 void intel_uncore_sanitize(struct drm_i915_private *dev_priv);
 void intel_uncore_init(struct drm_i915_private *dev_priv);
+void intel_uncore_prune(struct drm_i915_private *dev_priv);
 bool intel_uncore_unclaimed_mmio(struct drm_i915_private *dev_priv);
 bool intel_uncore_arm_unclaimed_mmio_detection(struct drm_i915_private *dev_priv);
 void intel_uncore_fini(struct drm_i915_private *dev_priv);
