drm/xe: Drop __engine_mask

Not really used, it's just a copy of engine_mask, which already reads
the fuses to mark engines as available/not-available.
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240513213751.1017791-1-lucas.demarchi@intel.comSigned-off-by: Lucas De Marchi <lucas.demarchi@intel.com>

drivers/gpu/drm/xe/xe_gt.c

@@ -518,9 +518,6 @@ int xe_gt_init_hwconfig(struct xe_gt *gt)
 	if (err)
 		goto out_fw;
 
-	/* XXX: Fake that we pull the engine mask from hwconfig blob */
-	gt->info.engine_mask = gt->info.__engine_mask;
-
 out_fw:
 	xe_force_wake_put(gt_to_fw(gt), XE_FW_GT);
 out:

drivers/gpu/drm/xe/xe_gt_types.h

@@ -114,12 +114,6 @@ struct xe_gt {
 		u32 reference_clock;
 		/** @info.engine_mask: mask of engines present on GT */
 		u64 engine_mask;
-		/**
-		 * @info.__engine_mask: mask of engines present on GT read from
-		 * xe_pci.c, used to fake reading the engine_mask from the
-		 * hwconfig blob.
-		 */
-		u64 __engine_mask;
 		/** @info.gmdid: raw GMD_ID value from hardware */
 		u32 gmdid;
 		/** @info.id: Unique ID of this GT within the PCI Device */

drivers/gpu/drm/xe/xe_migrate.c

@@ -936,8 +936,8 @@ static bool has_service_copy_support(struct xe_gt *gt)
 	 * all of the actual service copy engines (BCS1-BCS8) have been fused
 	 * off.
 	 */
-	return gt->info.__engine_mask & GENMASK(XE_HW_ENGINE_BCS8,
-						XE_HW_ENGINE_BCS1);
+	return gt->info.engine_mask & GENMASK(XE_HW_ENGINE_BCS8,
+					      XE_HW_ENGINE_BCS1);
 }
 
 static u32 emit_clear_cmd_len(struct xe_gt *gt)

drivers/gpu/drm/xe/xe_pci.c

@@ -663,9 +663,9 @@ static int xe_info_init(struct xe_device *xe,
 		gt->info.id = xe->info.gt_count++;
 		gt->info.type = XE_GT_TYPE_MAIN;
 		gt->info.has_indirect_ring_state = graphics_desc->has_indirect_ring_state;
-		gt->info.__engine_mask = graphics_desc->hw_engine_mask;
+		gt->info.engine_mask = graphics_desc->hw_engine_mask;
 		if (MEDIA_VER(xe) < 13 && media_desc)
-			gt->info.__engine_mask |= media_desc->hw_engine_mask;
+			gt->info.engine_mask |= media_desc->hw_engine_mask;
 
 		if (MEDIA_VER(xe) < 13 || !media_desc)
 			continue;
@@ -681,7 +681,7 @@ static int xe_info_init(struct xe_device *xe,
 		gt = tile->media_gt;
 		gt->info.type = XE_GT_TYPE_MEDIA;
 		gt->info.has_indirect_ring_state = media_desc->has_indirect_ring_state;
-		gt->info.__engine_mask = media_desc->hw_engine_mask;
+		gt->info.engine_mask = media_desc->hw_engine_mask;
 		gt->mmio.adj_offset = MEDIA_GT_GSI_OFFSET;
 		gt->mmio.adj_limit = MEDIA_GT_GSI_LENGTH;