[PATCH i-g-t 10/12] tools/intel_gpu_top: Fully wrap clients operations

[Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxxxxxxxx>]

From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>

Wrap all operations on clients via the Intel specific wrappers in order to
simplify upcoming work.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
---
 tools/intel_gpu_top.c | 42 ++++++++++++++++++++++--------------------
 1 file changed, 22 insertions(+), 20 deletions(-)

diff --git a/tools/intel_gpu_top.c b/tools/intel_gpu_top.c
index 5d44ba45335e..4b9ef306ca8e 100644
--- a/tools/intel_gpu_top.c
+++ b/tools/intel_gpu_top.c
@@ -132,6 +132,7 @@ struct engines {
 struct intel_clients {
 	const char *pci_slot;
 	struct igt_drm_client_engines classes;
+	struct igt_drm_clients *clients;
 };
 
 static struct termios termios_orig;
@@ -2432,19 +2433,22 @@ intel_init_clients(struct intel_clients *iclients,
 		iclients->classes.capacity[i] = engines->class[i].num_engines;
 		iclients->classes.names[i] = strdup(engines->class[i].name);
 	}
+
+	iclients->clients = igt_drm_clients_init(iclients);
 }
 
 static void intel_free_clients(struct intel_clients *iclients)
 {
+	if (iclients->clients)
+		igt_drm_clients_free(iclients->clients);
+
 	free((void *)iclients->pci_slot);
 	free(iclients->classes.capacity);
 	free(iclients->classes.names);
 }
 
-int main(int argc, char **argv)
+static void intel_scan_clients(struct intel_clients *iclients)
 {
-	unsigned int period_us = DEFAULT_PERIOD_MS * 1000;
-	struct igt_drm_clients *clients = NULL;
 	static const char *engine_map[] = {
 		"render",
 		"copy",
@@ -2452,6 +2456,15 @@ int main(int argc, char **argv)
 		"video-enhance",
 		"compute",
 	};
+
+	igt_drm_clients_scan(iclients->clients, client_match,
+			     engine_map, ARRAY_SIZE(engine_map),
+			     NULL, 0);
+}
+
+int main(int argc, char **argv)
+{
+	unsigned int period_us = DEFAULT_PERIOD_MS * 1000;
 	bool physical_engines = false;
 	struct intel_clients iclients;
 	int con_w = -1, con_h = -1;
@@ -2609,15 +2622,11 @@ int main(int argc, char **argv)
 
 	init_engine_classes(engines);
 
-	if (has_drm_fdinfo(&card)) {
+	if (has_drm_fdinfo(&card))
 		intel_init_clients(&iclients, &card, engines);
-		clients = igt_drm_clients_init(&iclients);
-	}
 
 	pmu_sample(engines);
-	igt_drm_clients_scan(clients, client_match,
-			     engine_map, ARRAY_SIZE(engine_map),
-			     NULL, 0);
+	intel_scan_clients(&iclients);
 	gettime(&ts);
 
 	if (output_mode == JSON)
@@ -2648,12 +2657,8 @@ int main(int argc, char **argv)
 		pmu_sample(engines);
 		t = (double)(engines->ts.cur - engines->ts.prev) / 1e9;
 
-		disp_clients =
-			display_clients(igt_drm_clients_scan(clients,
-							     client_match,
-							     engine_map,
-							     ARRAY_SIZE(engine_map),
-							     NULL, 0));
+		intel_scan_clients(&iclients);
+		disp_clients = display_clients(iclients.clients);
 		scan_us = elapsed_us(&ts, period_us);
 
 		if (stop_top)
@@ -2704,7 +2709,7 @@ int main(int argc, char **argv)
 			pops->close_struct();
 		}
 
-		if (disp_clients != clients)
+		if (disp_clients != iclients.clients)
 			free_display_clients(disp_clients);
 
 		if (stop_top)
@@ -2719,10 +2724,7 @@ int main(int argc, char **argv)
 	if (output_mode == JSON)
 		printf("]\n");
 
-	if (clients) {
-		igt_drm_clients_free(clients);
-		intel_free_clients(&iclients);
-	}
+	intel_free_clients(&iclients);
 
 	free(codename);
 err_pmu:
-- 
2.39.2