[PATCH i-g-t v3 3/6] tests/intel/kms_pm_dc: Enable DC3CO test for PSR2/PR modes

[Jeevan B <jeevan.b@intel.com>]

Enable DC3CO with PSR2/PR mode on TGL and for platforms with
display version greater than 35.

v2: Fix debug, remove trailing dash and merge mode and char to
    single strcut array.
v3: Minor cosmetic changes.

Signed-off-by: Jeevan B <jeevan.b@intel.com>
---
 tests/intel/kms_pm_dc.c | 50 ++++++++++++++++++++++++++++++++---------
 1 file changed, 39 insertions(+), 11 deletions(-)

diff --git a/tests/intel/kms_pm_dc.c b/tests/intel/kms_pm_dc.c
index 27fa5dc39..83652e9f8 100644
--- a/tests/intel/kms_pm_dc.c
+++ b/tests/intel/kms_pm_dc.c
@@ -110,6 +110,11 @@ typedef struct {
 	bool runtime_suspend_disabled;
 } data_t;
 
+struct dc3co_test_mode {
+	enum psr_mode mode;
+	const char *name;
+};
+
 static void assert_dc_counter(data_t *data, int dc_flag, uint32_t prev_dc_count);
 
 static void set_output_on_pipe_b(data_t *data)
@@ -319,18 +324,20 @@ static void check_dc3co_with_videoplayback_like_load(data_t *data)
 	assert_dc_counter(data, IGT_INTEL_CHECK_DC3CO, dc3co_prev_cnt);
 }
 
-static void setup_dc3co(data_t *data)
+static void setup_dc3co(data_t *data, enum psr_mode mode)
 {
+	data->op_psr_mode = mode;
 	psr_enable(data->drm_fd, data->debugfs_fd, data->op_psr_mode, data->output);
-	igt_require_f(psr_wait_entry(data->debugfs_fd, data->op_psr_mode, data->output),
-		      "PSR2 is not enabled\n");
+	igt_require_f(psr_wait_entry(data->debugfs_fd, data->op_psr_mode, NULL),
+		      "%s is not enabled\n",
+		      mode == PSR_MODE_2 ? "PSR2" : "Panel Replay");
 }
 
-static void test_dc3co_vpb_simulation(data_t *data)
+static void test_dc3co_vpb_simulation(data_t *data, enum psr_mode mode)
 {
 	igt_require_dc_counter(data->debugfs_fd, IGT_INTEL_CHECK_DC3CO);
 	setup_output(data);
-	setup_dc3co(data);
+	setup_dc3co(data, mode);
 	setup_videoplayback(data);
 	check_dc3co_with_videoplayback_like_load(data);
 	cleanup_dc3co_fbs(data);
@@ -658,12 +665,33 @@ int igt_main()
 	}
 
 	igt_describe("In this test we make sure that system enters DC3CO "
-		     "when PSR2 is active and system is in SLEEP state");
-	igt_subtest("dc3co-vpb-simulation") {
-		data.op_psr_mode = PSR_MODE_2;
-		igt_require(psr_sink_support(data.drm_fd, data.debugfs_fd,
-					     data.op_psr_mode, NULL));
-		test_dc3co_vpb_simulation(&data);
+			"when PSR2 or PR is active and system is in SLEEP state");
+	igt_subtest_with_dynamic("dc3co-vpb-simulation") {
+		static const struct dc3co_test_mode dc3co_modes[] = {
+			{ PSR_MODE_2, "psr2" },
+			{ PR_MODE,    "pr"   },
+		};
+
+		for (int i = 0; i < ARRAY_SIZE(dc3co_modes); i++) {
+			enum psr_mode mode = dc3co_modes[i].mode;
+			const char *name = dc3co_modes[i].name;
+
+			igt_dynamic_f("%s", name) {
+				igt_require(psr_sink_support(data.drm_fd,
+							     data.debugfs_fd,
+							     mode, NULL));
+
+				if (mode == PSR_MODE_2)
+					igt_require_f(IS_TIGERLAKE(data.devid) ||
+						      intel_display_ver(data.devid) >= 35,
+						      "Platform does not support DC3CO with PSR2\n");
+				else
+					igt_require_f(intel_display_ver(data.devid) >= 35,
+						      "Platform does not support DC3CO with Panel Replay\n");
+
+				test_dc3co_vpb_simulation(&data, mode);
+			}
+		}
 	}
 
 	igt_describe("This test validates display engine entry to DC5 state "
-- 
2.43.0