diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 643832d55c28..da8472cdc135 100644
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -3600,10 +3600,22 @@ static void intel_ddi_sync_state(struct intel_encoder *encoder,
 static bool intel_ddi_initial_fastset_check(struct intel_encoder *encoder,
 					    struct intel_crtc_state *crtc_state)
 {
-	if (intel_crtc_has_dp_encoder(crtc_state))
-		return intel_dp_initial_fastset_check(encoder, crtc_state);
+	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+	enum phy phy = intel_port_to_phy(i915, encoder->port);
+	bool fastset = true;
 
-	return true;
+	if (intel_phy_is_tc(i915, phy)) {
+		drm_dbg_kms(&i915->drm, "[ENCODER:%d:%s] Forcing full modeset to compute TC port DPLLs\n",
+			    encoder->base.base.id, encoder->base.name);
+		crtc_state->uapi.mode_changed = true;
+		fastset = false;
+	}
+
+	if (intel_crtc_has_dp_encoder(crtc_state) &&
+	    !intel_dp_initial_fastset_check(encoder, crtc_state))
+		fastset = false;
+
+	return fastset;
 }
 
 static enum intel_output_type
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
index 0544b0a4a43a..e3fc38dd5db0 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
@@ -511,7 +511,7 @@ static void i915_ttm_delete_mem_notify(struct ttm_buffer_object *bo)
 	struct drm_i915_gem_object *obj = i915_ttm_to_gem(bo);
 	intel_wakeref_t wakeref = 0;
 
-	if (likely(obj)) {
+	if (bo->resource && likely(obj)) {
 		/* ttm_bo_release() already has dma_resv_lock */
 		if (i915_ttm_cpu_maps_iomem(bo->resource))
 			wakeref = intel_runtime_pm_get(&to_i915(obj->base.dev)->runtime_pm);
diff --git a/drivers/gpu/drm/i915/gt/gen6_ppgtt.c b/drivers/gpu/drm/i915/gt/gen6_ppgtt.c
index 1bb766c79dcb..5aaacc53fa4c 100644
--- a/drivers/gpu/drm/i915/gt/gen6_ppgtt.c
+++ b/drivers/gpu/drm/i915/gt/gen6_ppgtt.c
@@ -247,6 +247,7 @@ err_scratch1:
 	i915_gem_object_put(vm->scratch[1]);
 err_scratch0:
 	i915_gem_object_put(vm->scratch[0]);
+	vm->scratch[0] = NULL;
 	return ret;
 }
 
@@ -268,9 +269,10 @@ static void gen6_ppgtt_cleanup(struct i915_address_space *vm)
 	gen6_ppgtt_free_pd(ppgtt);
 	free_scratch(vm);
 
-	mutex_destroy(&ppgtt->flush);
+	if (ppgtt->base.pd)
+		free_pd(&ppgtt->base.vm, ppgtt->base.pd);
 
-	free_pd(&ppgtt->base.vm, ppgtt->base.pd);
+	mutex_destroy(&ppgtt->flush);
 }
 
 static void pd_vma_bind(struct i915_address_space *vm,
@@ -449,19 +451,17 @@ struct i915_ppgtt *gen6_ppgtt_create(struct intel_gt *gt)
 
 	err = gen6_ppgtt_init_scratch(ppgtt);
 	if (err)
-		goto err_free;
+		goto err_put;
 
 	ppgtt->base.pd = gen6_alloc_top_pd(ppgtt);
 	if (IS_ERR(ppgtt->base.pd)) {
 		err = PTR_ERR(ppgtt->base.pd);
-		goto err_scratch;
+		goto err_put;
 	}
 
 	return &ppgtt->base;
 
-err_scratch:
-	free_scratch(&ppgtt->base.vm);
-err_free:
-	kfree(ppgtt);
+err_put:
+	i915_vm_put(&ppgtt->base.vm);
 	return ERR_PTR(err);
 }
diff --git a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
index c7bd5d71b03e..2128b7a72a25 100644
--- a/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
+++ b/drivers/gpu/drm/i915/gt/gen8_ppgtt.c
@@ -196,7 +196,10 @@ static void gen8_ppgtt_cleanup(struct i915_address_space *vm)
 	if (intel_vgpu_active(vm->i915))
 		gen8_ppgtt_notify_vgt(ppgtt, false);
 
-	__gen8_ppgtt_cleanup(vm, ppgtt->pd, gen8_pd_top_count(vm), vm->top);
+	if (ppgtt->pd)
+		__gen8_ppgtt_cleanup(vm, ppgtt->pd,
+				     gen8_pd_top_count(vm), vm->top);
+
 	free_scratch(vm);
 }
 
@@ -803,8 +806,10 @@ static int gen8_init_scratch(struct i915_address_space *vm)
 		struct drm_i915_gem_object *obj;
 
 		obj = vm->alloc_pt_dma(vm, I915_GTT_PAGE_SIZE_4K);
-		if (IS_ERR(obj))
+		if (IS_ERR(obj)) {
+			ret = PTR_ERR(obj);
 			goto free_scratch;
+		}
 
 		ret = map_pt_dma(vm, obj);
 		if (ret) {
@@ -823,7 +828,8 @@ static int gen8_init_scratch(struct i915_address_space *vm)
 free_scratch:
 	while (i--)
 		i915_gem_object_put(vm->scratch[i]);
-	return -ENOMEM;
+	vm->scratch[0] = NULL;
+	return ret;
 }
 
 static int gen8_preallocate_top_level_pdp(struct i915_ppgtt *ppgtt)
@@ -901,6 +907,7 @@ err_pd:
 struct i915_ppgtt *gen8_ppgtt_create(struct intel_gt *gt,
 				     unsigned long lmem_pt_obj_flags)
 {
+	struct i915_page_directory *pd;
 	struct i915_ppgtt *ppgtt;
 	int err;
 
@@ -946,21 +953,7 @@ struct i915_ppgtt *gen8_ppgtt_create(struct intel_gt *gt,
 		ppgtt->vm.alloc_scratch_dma = alloc_pt_dma;
 	}
 
-	err = gen8_init_scratch(&ppgtt->vm);
-	if (err)
-		goto err_free;
-
-	ppgtt->pd = gen8_alloc_top_pd(&ppgtt->vm);
-	if (IS_ERR(ppgtt->pd)) {
-		err = PTR_ERR(ppgtt->pd);
-		goto err_free_scratch;
-	}
-
-	if (!i915_vm_is_4lvl(&ppgtt->vm)) {
-		err = gen8_preallocate_top_level_pdp(ppgtt);
-		if (err)
-			goto err_free_pd;
-	}
+	ppgtt->vm.pte_encode = gen8_pte_encode;
 
 	ppgtt->vm.bind_async_flags = I915_VMA_LOCAL_BIND;
 	ppgtt->vm.insert_entries = gen8_ppgtt_insert;
@@ -971,22 +964,31 @@ struct i915_ppgtt *gen8_ppgtt_create(struct intel_gt *gt,
 	ppgtt->vm.allocate_va_range = gen8_ppgtt_alloc;
 	ppgtt->vm.clear_range = gen8_ppgtt_clear;
 	ppgtt->vm.foreach = gen8_ppgtt_foreach;
+	ppgtt->vm.cleanup = gen8_ppgtt_cleanup;
 
-	ppgtt->vm.pte_encode = gen8_pte_encode;
+	err = gen8_init_scratch(&ppgtt->vm);
+	if (err)
+		goto err_put;
+
+	pd = gen8_alloc_top_pd(&ppgtt->vm);
+	if (IS_ERR(pd)) {
+		err = PTR_ERR(pd);
+		goto err_put;
+	}
+	ppgtt->pd = pd;
+
+	if (!i915_vm_is_4lvl(&ppgtt->vm)) {
+		err = gen8_preallocate_top_level_pdp(ppgtt);
+		if (err)
+			goto err_put;
+	}
 
 	if (intel_vgpu_active(gt->i915))
 		gen8_ppgtt_notify_vgt(ppgtt, true);
 
-	ppgtt->vm.cleanup = gen8_ppgtt_cleanup;
-
 	return ppgtt;
 
-err_free_pd:
-	__gen8_ppgtt_cleanup(&ppgtt->vm, ppgtt->pd,
-			     gen8_pd_top_count(&ppgtt->vm), ppgtt->vm.top);
-err_free_scratch:
-	free_scratch(&ppgtt->vm);
-err_free:
-	kfree(ppgtt);
+err_put:
+	i915_vm_put(&ppgtt->vm);
 	return ERR_PTR(err);
 }
diff --git a/drivers/gpu/drm/i915/gt/intel_gtt.c b/drivers/gpu/drm/i915/gt/intel_gtt.c
index b67831833c9a..2eaeba14319e 100644
--- a/drivers/gpu/drm/i915/gt/intel_gtt.c
+++ b/drivers/gpu/drm/i915/gt/intel_gtt.c
@@ -405,6 +405,9 @@ void free_scratch(struct i915_address_space *vm)
 {
 	int i;
 
+	if (!vm->scratch[0])
+		return;
+
 	for (i = 0; i <= vm->top; i++)
 		i915_gem_object_put(vm->scratch[i]);
 }
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c
index b071973ac41c..55d3ef93e86f 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_log.c
@@ -36,24 +36,6 @@ struct guc_log_section {
 	const char *name;
 };
 
-static s32 scale_log_param(struct intel_guc_log *log, const struct guc_log_section *section,
-			   s32 param)
-{
-	/* -1 means default */
-	if (param < 0)
-		return section->default_val;
-
-	/* Check for 32-bit overflow */
-	if (param >= SZ_4K) {
-		drm_err(&guc_to_gt(log_to_guc(log))->i915->drm, "Size too large for GuC %s log: %dMB!",
-			section->name, param);
-		return section->default_val;
-	}
-
-	/* Param units are 1MB */
-	return param * SZ_1M;
-}
-
 static void _guc_log_init_sizes(struct intel_guc_log *log)
 {
 	struct intel_guc *guc = log_to_guc(log);
@@ -78,15 +60,10 @@ static void _guc_log_init_sizes(struct intel_guc_log *log)
 			"capture",
 		}
 	};
-	s32 params[GUC_LOG_SECTIONS_LIMIT] = {
-		GUC_LOG_DEFAULT_CRASH_BUFFER_SIZE / SZ_1M,
-		GUC_LOG_DEFAULT_DEBUG_BUFFER_SIZE / SZ_1M,
-		GUC_LOG_DEFAULT_CAPTURE_BUFFER_SIZE / SZ_1M,
-	};
 	int i;
 
 	for (i = 0; i < GUC_LOG_SECTIONS_LIMIT; i++)
-		log->sizes[i].bytes = scale_log_param(log, sections + i, params[i]);
+		log->sizes[i].bytes = sections[i].default_val;
 
 	/* If debug size > 1MB then bump default crash size to keep the same units */
 	if (log->sizes[GUC_LOG_SECTIONS_DEBUG].bytes >= SZ_1M &&
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 9f9372931fd2..bdc81db76dbd 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -397,8 +397,6 @@ struct drm_i915_private {
 	 */
 	u8 snps_phy_failed_calibration;
 
-	bool ipc_enabled;
-
 	struct i915_pmu pmu;
 
 	struct i915_drm_clients clients;
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index 77e7df21f539..cd4487a1d3be 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -41,6 +41,8 @@
 	.__runtime.media.ip.ver = (x), \
 	.__runtime.display.ip.ver = (x)
 
+#define NO_DISPLAY .__runtime.pipe_mask = 0
+
 #define I845_PIPE_OFFSETS \
 	.display.pipe_offsets = { \
 		[TRANSCODER_A] = PIPE_A_OFFSET,	\
@@ -519,9 +521,8 @@ static const struct intel_device_info ivb_m_gt2_info = {
 static const struct intel_device_info ivb_q_info = {
 	GEN7_FEATURES,
 	PLATFORM(INTEL_IVYBRIDGE),
+	NO_DISPLAY,
 	.gt = 2,
-	.__runtime.pipe_mask = 0, /* legal, last one wins */
-	.__runtime.cpu_transcoder_mask = 0,
 	.has_l3_dpf = 1,
 };
 
@@ -1039,7 +1040,7 @@ static const struct intel_device_info xehpsdv_info = {
 	XE_HPM_FEATURES,
 	DGFX_FEATURES,
 	PLATFORM(INTEL_XEHPSDV),
-	.display = { },
+	NO_DISPLAY,
 	.has_64k_pages = 1,
 	.needs_compact_pt = 1,
 	.has_media_ratio_mode = 1,
@@ -1081,7 +1082,7 @@ static const struct intel_device_info dg2_info = {
 
 static const struct intel_device_info ats_m_info = {
 	DG2_FEATURES,
-	.display = { 0 },
+	NO_DISPLAY,
 	.require_force_probe = 1,
 	.tuning_thread_rr_after_dep = 1,
 };
@@ -1103,7 +1104,7 @@ static const struct intel_device_info pvc_info = {
 	.__runtime.graphics.ip.rel = 60,
 	.__runtime.media.ip.rel = 60,
 	PLATFORM(INTEL_PONTEVECCHIO),
-	.display = { 0 },
+	NO_DISPLAY,
 	.has_flat_ccs = 0,
 	.__runtime.platform_engine_mask =
 		BIT(BCS0) |
diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index 1434dc33cf49..20575eb77ea7 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -433,8 +433,14 @@ void intel_device_info_runtime_init(struct drm_i915_private *dev_priv)
 		dev_priv->drm.driver_features &= ~(DRIVER_MODESET |
 						   DRIVER_ATOMIC);
 		memset(&info->display, 0, sizeof(info->display));
+
+		runtime->cpu_transcoder_mask = 0;
 		memset(runtime->num_sprites, 0, sizeof(runtime->num_sprites));
 		memset(runtime->num_scalers, 0, sizeof(runtime->num_scalers));
+		runtime->fbc_mask = 0;
+		runtime->has_hdcp = false;
+		runtime->has_dmc = false;
+		runtime->has_dsc = false;
 	}
 }