[igt-dev] [PATCH i-g-t v3 2/3] tests/xe_pm : Add support to disable all crtc

[Anshuman Gupta <anshuman.gupta@intel.com>]

xe_pm d3 test requires to turn off all crtc in order to enter
to d3 state therefore, adding the support to triggering
"DPMS OFF" in setup_d3() and "DPMS ON" in cleanup_d3().

Signed-off-by: Anshuman Gupta <anshuman.gupta@intel.com>
---
 tests/xe/xe_pm.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tests/xe/xe_pm.c b/tests/xe/xe_pm.c
index 23b8246ed..11a4c3705 100644
--- a/tests/xe/xe_pm.c
+++ b/tests/xe/xe_pm.c
@@ -18,6 +18,7 @@
 
 #include "igt.h"
 #include "lib/igt_device.h"
+#include "lib/igt_kms.h"
 #include "lib/igt_pm.h"
 #include "lib/igt_syncobj.h"
 #include "lib/intel_reg.h"
@@ -78,6 +79,8 @@ static void set_d3cold_allowed(struct pci_device *pci,
 
 static bool setup_d3(device_t device, enum igt_acpi_d_state state)
 {
+	igt_dpms_turn_off_display(device.fd_xe);
+
 	switch (state) {
 	case IGT_ACPI_D3Cold:
 		igt_require(igt_pm_acpi_d3cold_supported(device.pci_root));
@@ -94,6 +97,11 @@ static bool setup_d3(device_t device, enum igt_acpi_d_state state)
 	return false;
 }
 
+static void cleanup_d3(device_t device)
+{
+	igt_dpms_turn_on_display(device.fd_xe);
+}
+
 static bool in_d3(device_t device, enum igt_acpi_d_state state)
 {
 	uint16_t val;
@@ -412,6 +420,7 @@ igt_main
 				xe_for_each_hw_engine(device.fd_xe, hwe)
 					test_exec(device, hwe, 1, 2, s->state,
 						  NO_RPM);
+				cleanup_d3(device);
 			}
 		}
 	}
@@ -420,6 +429,7 @@ igt_main
 		igt_subtest_f("%s-basic", d->name) {
 			igt_assert(setup_d3(device, d->state));
 			igt_assert(in_d3(device, d->state));
+			cleanup_d3(device);
 		}
 
 		igt_subtest_f("%s-basic-exec", d->name) {
@@ -427,6 +437,7 @@ igt_main
 			xe_for_each_hw_engine(device.fd_xe, hwe)
 				test_exec(device, hwe, 1, 1,
 					  NO_SUSPEND, d->state);
+			cleanup_d3(device);
 		}
 
 		igt_subtest_f("%s-multiple-execs", d->name) {
@@ -434,6 +445,7 @@ igt_main
 			xe_for_each_hw_engine(device.fd_xe, hwe)
 				test_exec(device, hwe, 16, 32,
 					  NO_SUSPEND, d->state);
+			cleanup_d3(device);
 		}
 	}
 
-- 
2.25.1