From: Matthew Brost <matthew.brost@intel.com>
Date: Fri, 5 Apr 2024 21:16:32 +0000 (-0700)
Subject: drm/xe: Capture GuC CT snapshot when stopped
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=1db3594c595f4eb24e5a34be2912a2dc0586d4b1;p=linux.git

drm/xe: Capture GuC CT snapshot when stopped

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@intel.com>
Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240405211632.223568-3-matthew.brost@intel.com
---

diff --git a/drivers/gpu/drm/xe/xe_guc_ct.c b/drivers/gpu/drm/xe/xe_guc_ct.c
index 6c37f4f9bddd4..0aa3abaca66d9 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,