@@ -192,6 +192,8 @@ void intel_engines_free(struct intel_gt *gt);
int intel_engine_init_common(struct intel_engine_cs *engine);
void intel_engine_cleanup_common(struct intel_engine_cs *engine);
+int intel_engine_resume(struct intel_engine_cs *engine);
+
int intel_ring_submission_setup(struct intel_engine_cs *engine);
int intel_engine_stop_cs(struct intel_engine_cs *engine);
@@ -841,6 +841,20 @@ void intel_engine_cleanup_common(struct intel_engine_cs *engine)
intel_wa_list_free(&engine->whitelist);
}
+/**
+ * intel_engine_resume - re-initializes the HW state of the engine
+ * @engine: Engine to resume.
+ *
+ * Returns zero on success or an error code on failure.
+ */
+int intel_engine_resume(struct intel_engine_cs *engine)
+{
+ intel_engine_apply_workarounds(engine);
+ intel_engine_apply_whitelist(engine);
+
+ return engine->resume(engine);
+}
+
u64 intel_engine_get_active_head(const struct intel_engine_cs *engine)
{
struct drm_i915_private *i915 = engine->i915;
@@ -216,7 +216,7 @@ int intel_gt_resume(struct intel_gt *gt)
intel_engine_pm_get(engine);
engine->serial++; /* kernel context lost */
- err = engine->resume(engine);
+ err = intel_engine_resume(engine);
intel_engine_pm_put(engine);
if (err) {
@@ -3435,9 +3435,6 @@ static bool unexpected_starting_state(struct intel_engine_cs *engine)
static int execlists_resume(struct intel_engine_cs *engine)
{
- intel_engine_apply_workarounds(engine);
- intel_engine_apply_whitelist(engine);
-
intel_mocs_init_engine(engine);
intel_engine_reset_breadcrumbs(engine);
@@ -986,7 +986,7 @@ static int resume(struct intel_gt *gt)
int ret;
for_each_engine(engine, gt, id) {
- ret = engine->resume(engine);
+ ret = intel_engine_resume(engine);
if (ret)
return ret;
}
@@ -1161,7 +1161,7 @@ int intel_engine_reset(struct intel_engine_cs *engine, const char *msg)
* have been reset to their default values. Follow the init_ring
* process to program RING_MODE, HWSP and re-enable submission.
*/
- ret = engine->resume(engine);
+ ret = intel_engine_resume(engine);
out:
intel_engine_cancel_stop_cs(engine);