[PATCH 2/2] drm/xe: Capture GuC CT snapshot when stopped

Matthew Brost matthew.brost at intel.com
Fri Apr 5 21:16:32 UTC 2024


It is useful capture the GuC CT snapshot if the GuC CT has been
forcefully put into the stopped state. Enable snapshot capture when in
this state.

Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
Signed-off-by: Matthew Brost <matthew.brost at intel.com>
---
 drivers/gpu/drm/xe/xe_guc_ct.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_guc_ct.c b/drivers/gpu/drm/xe/xe_guc_ct.c
index 6c37f4f9bddd..0aa3abaca66d 100644
--- a/drivers/gpu/drm/xe/xe_guc_ct.c
+++ b/drivers/gpu/drm/xe/xe_guc_ct.c
@@ -1403,7 +1403,7 @@ struct xe_guc_ct_snapshot *xe_guc_ct_snapshot_capture(struct xe_guc_ct *ct,
 		return NULL;
 	}
 
-	if (xe_guc_ct_enabled(ct)) {
+	if (xe_guc_ct_enabled(ct) || ct->state == XE_GUC_CT_STATE_STOPPED) {
 		snapshot->ct_enabled = true;
 		snapshot->g2h_outstanding = READ_ONCE(ct->g2h_outstanding);
 		guc_ctb_snapshot_capture(xe, &ct->ctbs.h2g,
-- 
2.34.1



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