From: Raag Jadav <raag.jadav@intel.com>
Date: Wed, 3 Dec 2025 12:33:55 +0000 (+0530)
Subject: drm/xe/throttle: Skip reason prefix while emitting array
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=17d52ab2a6ec8b91bbfc577d397d42d0776ef01f;p=thirdparty%2Flinux.git

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>
(cherry picked from commit b64a14334ef3ebbcf70d11bc67d0934bdc0e390d)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
---

diff --git a/drivers/gpu/drm/xe/xe_gt_throttle.c b/drivers/gpu/drm/xe/xe_gt_throttle.c
index 82c5fbcdfbe3..01477fc7b37b 100644
--- a/drivers/gpu/drm/xe/xe_gt_throttle.c
+++ b/drivers/gpu/drm/xe/xe_gt_throttle.c
@@ -140,7 +140,7 @@ 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))