diff --git a/drivers/gpu/drm/xe/xe_execlist.c b/drivers/gpu/drm/xe/xe_execlist.c
index be47d28da4c7..ae7ee56f1b1b 100644
--- a/drivers/gpu/drm/xe/xe_execlist.c
+++ b/drivers/gpu/drm/xe/xe_execlist.c
@@ -460,7 +460,7 @@ static void execlist_engine_suspend_wait(struct xe_engine *e)
 
 static void execlist_engine_resume(struct xe_engine *e)
 {
-	xe_mocs_init_engine(e);
+	/* NIY */
 }
 
 static const struct xe_engine_ops execlist_engine_ops = {
diff --git a/drivers/gpu/drm/xe/xe_guc_ads.c b/drivers/gpu/drm/xe/xe_guc_ads.c
index 49725093fb47..7a892ff7aba3 100644
--- a/drivers/gpu/drm/xe/xe_guc_ads.c
+++ b/drivers/gpu/drm/xe/xe_guc_ads.c
@@ -207,6 +207,11 @@ static void guc_ads_fini(struct drm_device *drm, void *arg)
 	xe_bo_unpin_map_no_vm(ads->bo);
 }
 
+static bool needs_wa_1607983814(struct xe_device *xe)
+{
+	return GRAPHICS_VERx100(xe) < 1250;
+}
+
 static size_t calculate_regset_size(struct xe_gt *gt)
 {
 	struct xe_reg_sr_entry *sr_entry;
@@ -219,7 +224,10 @@ static size_t calculate_regset_size(struct xe_gt *gt)
 		xa_for_each(&hwe->reg_sr.xa, sr_idx, sr_entry)
 			count++;
 
-	count += (ADS_REGSET_EXTRA_MAX + LNCFCMOCS_REG_COUNT) * XE_NUM_HW_ENGINES;
+	count += ADS_REGSET_EXTRA_MAX * XE_NUM_HW_ENGINES;
+
+	if (needs_wa_1607983814(gt_to_xe(gt)))
+		count += LNCFCMOCS_REG_COUNT;
 
 	return count * sizeof(struct guc_mmio_reg);
 }
@@ -431,6 +439,7 @@ static unsigned int guc_mmio_regset_write(struct xe_guc_ads *ads,
 					  struct iosys_map *regset_map,
 					  struct xe_hw_engine *hwe)
 {
+	struct xe_device *xe = ads_to_xe(ads);
 	struct xe_hw_engine *hwe_rcs_reset_domain =
 		xe_gt_any_hw_engine_by_reset_domain(hwe->gt, XE_ENGINE_CLASS_RENDER);
 	struct xe_reg_sr_entry *entry;
@@ -465,9 +474,12 @@ static unsigned int guc_mmio_regset_write(struct xe_guc_ads *ads,
 					  e->reg, e->flags, count++);
 	}
 
-	for (i = 0; i < LNCFCMOCS_REG_COUNT; i++) {
-		guc_mmio_regset_write_one(ads, regset_map,
-					  GEN9_LNCFCMOCS(i).reg, 0, count++);
+	/* Wa_1607983814 */
+	if (needs_wa_1607983814(xe) && hwe->class == XE_ENGINE_CLASS_RENDER) {
+		for (i = 0; i < LNCFCMOCS_REG_COUNT; i++) {
+			guc_mmio_regset_write_one(ads, regset_map,
+						  GEN9_LNCFCMOCS(i).reg, 0, count++);
+		}
 	}
 
 	XE_BUG_ON(ads->regset_size < (count * sizeof(struct guc_mmio_reg)));
diff --git a/drivers/gpu/drm/xe/xe_guc_submit.c b/drivers/gpu/drm/xe/xe_guc_submit.c
index aa21f2bb5cba..0ba6f5dcd029 100644
--- a/drivers/gpu/drm/xe/xe_guc_submit.c
+++ b/drivers/gpu/drm/xe/xe_guc_submit.c
@@ -1270,7 +1270,6 @@ static void guc_engine_resume(struct xe_engine *e)
 
 	XE_BUG_ON(e->guc->suspend_pending);
 
-	xe_mocs_init_engine(e);
 	guc_engine_add_msg(e, msg, RESUME);
 }
 
diff --git a/drivers/gpu/drm/xe/xe_mocs.c b/drivers/gpu/drm/xe/xe_mocs.c
index e00fa2155dc4..ef237853fdab 100644
--- a/drivers/gpu/drm/xe/xe_mocs.c
+++ b/drivers/gpu/drm/xe/xe_mocs.c
@@ -517,19 +517,6 @@ static void init_l3cc_table(struct xe_gt *gt,
 	}
 }
 
-void xe_mocs_init_engine(const struct xe_engine *engine)
-{
-	struct xe_mocs_info table;
-	unsigned int flags;
-
-	flags = get_mocs_settings(engine->gt->xe, &table);
-	if (!flags)
-		return;
-
-	if (flags & HAS_RENDER_L3CC && engine->class == XE_ENGINE_CLASS_RENDER)
-		init_l3cc_table(engine->gt, &table);
-}
-
 void xe_mocs_init(struct xe_gt *gt)
 {
 	struct xe_mocs_info table;
diff --git a/drivers/gpu/drm/xe/xe_mocs.h b/drivers/gpu/drm/xe/xe_mocs.h
index aba1abe216ab..63500a1d6660 100644
--- a/drivers/gpu/drm/xe/xe_mocs.h
+++ b/drivers/gpu/drm/xe/xe_mocs.h
@@ -11,7 +11,6 @@
 struct xe_engine;
 struct xe_gt;
 
-void xe_mocs_init_engine(const struct xe_engine *engine);
 void xe_mocs_init(struct xe_gt *gt);
 
 /**