drm/xe/throttle: Skip reason prefix while emitting array

The newly introduced "reasons" attribute already signifies possible
reasons for throttling and makes the prefix in individual attribute
names redundant while emitting them as an array. Skip the prefix.

Fixes: 83ccde67a3f7 ("drm/xe/gt_throttle: Avoid TOCTOU when monitoring reasons")
Signed-off-by: Raag Jadav <raag.jadav@intel.com>
Reviewed-by: Sk Anirban <sk.anirban@intel.com>
Link: https://patch.msgid.link/20251203123355.571606-1-raag.jadav@intel.com
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

diff --git a/drivers/gpu/drm/xe/xe_gt_throttle.c b/drivers/gpu/drm/xe/xe_gt_throttle.c
index 096a6187ff12f97feca71df2518c8473c40b0be7..570358310e9752f4adc2011972b536837207a33c 100644 (file)
--- a/drivers/gpu/drm/xe/xe_gt_throttle.c
+++ b/drivers/gpu/drm/xe/xe_gt_throttle.c
@@ -137,7 +137,7 @@ static ssize_t reasons_show(struct kobject *kobj,
                struct throttle_attribute *other_ta = kobj_attribute_to_throttle(kattr);
 
                if (other_ta->mask != U32_MAX && reasons & other_ta->mask)
-                       ret += sysfs_emit_at(buff, ret, "%s ", (*pother)->name);
+                       ret += sysfs_emit_at(buff, ret, "%s ", (*pother)->name + strlen("reason_"));
        }
 
        if (drm_WARN_ONCE(&xe->drm, !ret, "Unknown reason: %#x\n", reasons))