drm/xe/display: remove unused xe->enabled_irq_mask

The xe->enabled_irq_mask member has never been used for anything.

Acked-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240510094313.3422982-1-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/xe/display/xe_display.c

@@ -97,7 +97,6 @@ int xe_display_create(struct xe_device *xe)
 	xe->display.hotplug.dp_wq = alloc_ordered_workqueue("xe-dp", 0);
 
 	drmm_mutex_init(&xe->drm, &xe->sb_lock);
-	xe->enabled_irq_mask = ~0;
 
 	return drmm_add_action_or_reset(&xe->drm, display_destroy, NULL);
 }

drivers/gpu/drm/xe/xe_device_types.h

@@ -505,8 +505,6 @@ struct xe_device {
 	/* only to allow build, not used functionally */
 	u32 irq_mask;
 
-	u32 enabled_irq_mask;
-
 	struct intel_uncore {
 		spinlock_t lock;
 	} uncore;