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

Nothing in xe needs xe->sb_lock. None of the i915 display code using
->sb_lock gets built with xe, and in any case that would be wrong as xe
uses gt->pcode.lock for this.

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/20240510094313.3422982-2-jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

diff --git a/drivers/gpu/drm/xe/display/xe_display.c b/drivers/gpu/drm/xe/display/xe_display.c
index fbe2c2eddea98d47be96c31deb58baf71115c1dd..a2c39bcc7677741ccb377d560c87c7e4b1e3606d 100644 (file)
--- a/drivers/gpu/drm/xe/display/xe_display.c
+++ b/drivers/gpu/drm/xe/display/xe_display.c
@@ -96,8 +96,6 @@ 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);
-
        return drmm_add_action_or_reset(&xe->drm, display_destroy, NULL);
 }
 

diff --git a/drivers/gpu/drm/xe/xe_device_types.h b/drivers/gpu/drm/xe/xe_device_types.h
index fd343a1cb9b5990cedadd876759bb6656b734585..7674afbb3a300ebb617c494938008df6e49971d8 100644 (file)
--- a/drivers/gpu/drm/xe/xe_device_types.h
+++ b/drivers/gpu/drm/xe/xe_device_types.h
@@ -499,9 +499,6 @@ struct xe_device {
        /* To shut up runtime pm macros.. */
        struct xe_runtime_pm {} runtime_pm;
 
-       /* For pcode */
-       struct mutex sb_lock;
-
        /* only to allow build, not used functionally */
        u32 irq_mask;