drm/i915/guc: Convert mapping table to iosys_map

Use iosys_map to write the fields system_info.mapping_table[][].
Since we already have the info_map around where needed, just use it
instead of going through guc->ads_map.

Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: John Harrison <John.C.Harrison@Intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220216174147.3073235-13-lucas.demarchi@intel.com

drivers/gpu/drm/i915/gt/uc/intel_guc_ads.c

@@ -204,7 +204,7 @@ int intel_guc_global_policies_update(struct intel_guc *guc)
 }
 
 static void guc_mapping_table_init(struct intel_gt *gt,
-				   struct guc_gt_system_info *system_info)
+				   struct iosys_map *info_map)
 {
 	unsigned int i, j;
 	struct intel_engine_cs *engine;
@@ -213,14 +213,14 @@ static void guc_mapping_table_init(struct intel_gt *gt,
 	/* Table must be set to invalid values for entries not used */
 	for (i = 0; i < GUC_MAX_ENGINE_CLASSES; ++i)
 		for (j = 0; j < GUC_MAX_INSTANCES_PER_CLASS; ++j)
-			system_info->mapping_table[i][j] =
-				GUC_MAX_INSTANCES_PER_CLASS;
+			info_map_write(info_map, mapping_table[i][j],
+				       GUC_MAX_INSTANCES_PER_CLASS);
 
 	for_each_engine(engine, gt, id) {
 		u8 guc_class = engine_class_to_guc_class(engine->class);
 
-		system_info->mapping_table[guc_class][ilog2(engine->logical_mask)] =
-			engine->instance;
+		info_map_write(info_map, mapping_table[guc_class][ilog2(engine->logical_mask)],
+			       engine->instance);
 	}
 }
 
@@ -631,7 +631,7 @@ static void __guc_ads_init(struct intel_guc *guc)
 	/* Golden contexts for re-initialising after a watchdog reset */
 	guc_prep_golden_context(guc);
 
-	guc_mapping_table_init(guc_to_gt(guc), &blob->system_info);
+	guc_mapping_table_init(guc_to_gt(guc), &info_map);
 
 	base = intel_guc_ggtt_offset(guc, guc->ads_vma);