Commit d38a9294 authored by Matthew Brost's avatar Matthew Brost Committed by John Harrison
Browse files

drm/i915/guc: Update debugfs for GuC multi-lrc 



Display the workqueue status in debugfs for GuC contexts that are in
parent-child relationship.

v2:
 (John Harrison)
  - Output number children in debugfs

Signed-off-by: default avatarMatthew Brost <matthew.brost@intel.com>
Reviewed-by: default avatarJohn Harrison <John.C.Harrison@Intel.com>
Signed-off-by: default avatarJohn Harrison <John.C.Harrison@Intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211014172005.27155-16-matthew.brost@intel.com
parent 872758db

drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c

+38 −14
Original line number Diff line number Diff line
@@ -3702,15 +3702,9 @@ static inline void guc_log_context_priority(struct drm_printer *p, 
	drm_printf(p, "\n");

}



void intel_guc_submission_print_context_info(struct intel_guc *guc,

					     struct drm_printer *p)

static inline void guc_log_context(struct drm_printer *p,

				   struct intel_context *ce)

{

	struct intel_context *ce;

	unsigned long index;

	unsigned long flags;



	xa_lock_irqsave(&guc->context_lookup, flags);

	xa_for_each(&guc->context_lookup, index, ce) {

	drm_printf(p, "GuC lrc descriptor %u:\n", ce->guc_id.id);

	drm_printf(p, "\tHW Context Desc: 0x%08x\n", ce->lrc.lrca);

	drm_printf(p, "\t\tLRC Head: Internal %u, Memory %u\n",
@@ -3725,8 +3719,38 @@ void intel_guc_submission_print_context_info(struct intel_guc *guc, 
		   atomic_read(&ce->guc_id.ref));

	drm_printf(p, "\t\tSchedule State: 0x%x\n\n",

		   ce->guc_state.sched_state);

}



void intel_guc_submission_print_context_info(struct intel_guc *guc,

					     struct drm_printer *p)

{

	struct intel_context *ce;

	unsigned long index;

	unsigned long flags;



	xa_lock_irqsave(&guc->context_lookup, flags);

	xa_for_each(&guc->context_lookup, index, ce) {

		GEM_BUG_ON(intel_context_is_child(ce));



		guc_log_context(p, ce);

		guc_log_context_priority(p, ce);



		if (intel_context_is_parent(ce)) {

			struct guc_process_desc *desc = __get_process_desc(ce);

			struct intel_context *child;



			drm_printf(p, "\t\tNumber children: %u\n",

				   ce->parallel.number_children);

			drm_printf(p, "\t\tWQI Head: %u\n",

				   READ_ONCE(desc->head));

			drm_printf(p, "\t\tWQI Tail: %u\n",

				   READ_ONCE(desc->tail));

			drm_printf(p, "\t\tWQI Status: %u\n\n",

				   READ_ONCE(desc->wq_status));



			for_each_child(ce, child)

				guc_log_context(p, child);

		}

	}

	xa_unlock_irqrestore(&guc->context_lookup, flags);

}