From: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Date: Thu, 7 May 2026 16:20:18 +0000 (-0700)
Subject: drm/xe/lrc: Use 64 bit ctx timestamp in the LRC snapshot
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=404734f1fef84f8bec5008fd48a16c49b76e0367;p=thirdparty%2Flinux.git

drm/xe/lrc: Use 64 bit ctx timestamp in the LRC snapshot

Use the 64 bit value when available for the context timestamp in the LRC
snapshot.

Suggested-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Reviewed-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Link: https://patch.msgid.link/20260507162016.3888309-14-umesh.nerlige.ramappa@intel.com
---

diff --git a/drivers/gpu/drm/xe/xe_lrc.c b/drivers/gpu/drm/xe/xe_lrc.c
index fdfe2ed5f6835..570ff9f55849f 100644
--- a/drivers/gpu/drm/xe/xe_lrc.c
+++ b/drivers/gpu/drm/xe/xe_lrc.c
@@ -2462,7 +2462,7 @@ struct xe_lrc_snapshot *xe_lrc_snapshot_capture(struct xe_lrc *lrc)
 	snapshot->replay_offset = 0;
 	snapshot->replay_size = lrc->replay_size;
 	snapshot->lrc_snapshot = NULL;
-	snapshot->ctx_timestamp = lower_32_bits(xe_lrc_ctx_timestamp(lrc));
+	snapshot->ctx_timestamp = xe_lrc_ctx_timestamp(lrc);
 	snapshot->ctx_job_timestamp = xe_lrc_ctx_job_timestamp(lrc);
 	return snapshot;
 }
@@ -2515,7 +2515,7 @@ void xe_lrc_snapshot_print(struct xe_lrc_snapshot *snapshot, struct drm_printer
 	drm_printf(p, "\tRing start: (memory) 0x%08x\n", snapshot->start);
 	drm_printf(p, "\tStart seqno: (memory) %d\n", snapshot->start_seqno);
 	drm_printf(p, "\tSeqno: (memory) %d\n", snapshot->seqno);
-	drm_printf(p, "\tTimestamp: 0x%08x\n", snapshot->ctx_timestamp);
+	drm_printf(p, "\tTimestamp: 0x%016llx\n", snapshot->ctx_timestamp);
 	drm_printf(p, "\tJob Timestamp: 0x%08x\n", snapshot->ctx_job_timestamp);
 
 	if (!snapshot->lrc_snapshot)
diff --git a/drivers/gpu/drm/xe/xe_lrc.h b/drivers/gpu/drm/xe/xe_lrc.h
index 5440663183f6d..bef7af9a578bf 100644
--- a/drivers/gpu/drm/xe/xe_lrc.h
+++ b/drivers/gpu/drm/xe/xe_lrc.h
@@ -37,7 +37,7 @@ struct xe_lrc_snapshot {
 	} tail;
 	u32 start_seqno;
 	u32 seqno;
-	u32 ctx_timestamp;
+	u64 ctx_timestamp;
 	u32 ctx_job_timestamp;
 };