[PATCH v1 1/1] drm/xe/guc: Prevent GuC register capture running on VF

[Zhanjun Dong]

GuC based register capture is not supported by VF, thus prevent it
running on VF.

Signed-off-by: Zhanjun Dong <zhanjun.dong at intel.com>
---
 drivers/gpu/drm/xe/xe_guc_capture.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_guc_capture.c b/drivers/gpu/drm/xe/xe_guc_capture.c
index 41262bda20ed..5c0d9efaaab4 100644
--- a/drivers/gpu/drm/xe/xe_guc_capture.c
+++ b/drivers/gpu/drm/xe/xe_guc_capture.c
@@ -1590,6 +1590,9 @@ xe_engine_manual_capture(struct xe_hw_engine *hwe, struct xe_hw_engine_snapshot
 	u16 guc_id = 0;
 	u32 lrca = 0;
 
+	if (IS_SRIOV_VF(xe))
+		return;
+
 	new = guc_capture_get_prealloc_node(guc);
 	if (!new)
 		return;
@@ -1756,7 +1759,7 @@ void xe_engine_snapshot_print(struct xe_hw_engine_snapshot *snapshot, struct drm
 	devcoredump = &xe->devcoredump;
 	devcore_snapshot = &devcoredump->snapshot;
 
-	if (!devcore_snapshot->matched_node)
+	if (IS_SRIOV_VF(xe) || !devcore_snapshot->matched_node)
 		return;
 
 	xe_gt_assert(gt, snapshot->source <= XE_ENGINE_CAPTURE_SOURCE_GUC);
@@ -1820,7 +1823,7 @@ xe_guc_capture_get_matching_and_lock(struct xe_sched_job *job)
 		return NULL;
 
 	xe = gt_to_xe(q->gt);
-	if (xe->wedged.mode >= 2 || !xe_device_uc_enabled(xe))
+	if (xe->wedged.mode >= 2 || !xe_device_uc_enabled(xe) || IS_SRIOV_VF(xe))
 		return NULL;
 
 	ss = &xe->devcoredump.snapshot;
@@ -1876,6 +1879,9 @@ xe_engine_snapshot_capture_for_job(struct xe_sched_job *job)
 	enum xe_hw_engine_id id;
 	u32 adj_logical_mask = q->logical_mask;
 
+	if (IS_SRIOV_VF(xe))
+		return;
+
 	for_each_hw_engine(hwe, q->gt, id) {
 		if (hwe->class != q->hwe->class ||
 		    !(BIT(hwe->logical_instance) & adj_logical_mask)) {
@@ -1922,6 +1928,9 @@ void xe_guc_capture_put_matched_nodes(struct xe_guc *guc)
 	struct xe_devcoredump *devcoredump = &xe->devcoredump;
 	struct __guc_capture_parsed_output *n = devcoredump->snapshot.matched_node;
 
+	if (IS_SRIOV_VF(xe))
+		return;
+
 	if (n) {
 		guc_capture_remove_stale_matches_from_list(guc->capture, n);
 		guc_capture_free_outlist_node(guc->capture, n);
-- 
2.34.1