drm/xe: Add ctx timestamp to LRC snapshot

The ctx timestamp is useful information, add to LRC snapshot.

v2:
- s/ctx_timestamp_job/ctx_job_timestamp

Signed-off-by: Matthew Brost <[e-mail]>
Reviewed-by: Jonathan Cavitt <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/msgid/[e-mail]

drivers/gpu/drm/xe/xe_lrc.c

···
 	} tail;
 	u32 start_seqno;
 	u32 seqno;
+	u32 ctx_timestamp;
+	u32 ctx_job_timestamp;
 };
 
 static struct xe_device *
···
 	snapshot->lrc_offset = xe_lrc_pphwsp_offset(lrc);
 	snapshot->lrc_size = lrc->bo->size - snapshot->lrc_offset;
 	snapshot->lrc_snapshot = NULL;
+	snapshot->ctx_timestamp = xe_lrc_ctx_timestamp(lrc);
+	snapshot->ctx_job_timestamp = xe_lrc_ctx_job_timestamp(lrc);
 	return snapshot;
 }
 
···
 		   snapshot->tail.internal, snapshot->tail.memory);
 	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, "\tJob Timestamp: 0x%08x\n", snapshot->ctx_job_timestamp);
 
 	if (!snapshot->lrc_snapshot)
 		return;