Get the first available engine from a gt, which helps in the case any
engine serves as a context, like when reading RING_TIMESTAMP.
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@xxxxxxxxx>
Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
---
drivers/gpu/drm/xe/xe_gt.c | 11 +++++++++++
drivers/gpu/drm/xe/xe_gt.h | 7 +++++++
2 files changed, 18 insertions(+)
diff --git a/drivers/gpu/drm/xe/xe_gt.c b/drivers/gpu/drm/xe/xe_gt.c
index 5194a3d38e76..3432fef56486 100644
--- a/drivers/gpu/drm/xe/xe_gt.c
+++ b/drivers/gpu/drm/xe/xe_gt.c
@@ -833,3 +833,14 @@ struct xe_hw_engine *xe_gt_any_hw_engine_by_reset_domain(struct xe_gt *gt,
return NULL;
}
+
+struct xe_hw_engine *xe_gt_any_hw_engine(struct xe_gt *gt)
+{
+ struct xe_hw_engine *hwe;
+ enum xe_hw_engine_id id;
+
+ for_each_hw_engine(hwe, gt, id)
+ return hwe;
+
+ return NULL;
+}
diff --git a/drivers/gpu/drm/xe/xe_gt.h b/drivers/gpu/drm/xe/xe_gt.h
index 1d010bf4a756..9073ac68a777 100644
--- a/drivers/gpu/drm/xe/xe_gt.h
+++ b/drivers/gpu/drm/xe/xe_gt.h
@@ -67,6 +67,13 @@ void xe_gt_remove(struct xe_gt *gt);
struct xe_hw_engine *
xe_gt_any_hw_engine_by_reset_domain(struct xe_gt *gt, enum xe_engine_class class);
+/**
+ * xe_gt_any_hw_engine - scan the list of engines and return the
+ * first available
+ * @gt: GT structure
+ */
+struct xe_hw_engine *xe_gt_any_hw_engine(struct xe_gt *gt);
+
struct xe_hw_engine *xe_gt_hw_engine(struct xe_gt *gt,
enum xe_engine_class class,
u16 instance,
--
2.43.0
