[RFC] [PATCH v1 1/2] tests/intel/kms_pm_vrsr: Add test to check primary panel

[Mohammed Thasleem]

This test detect primary connected panel and does the flip on it.

Signed-off-by: Mohammed Thasleem <mohammed.thasleem at intel.com>
---
 tests/intel/kms_pm_vrsr.c | 132 ++++++++++++++++++++++++++++++++++++++
 tests/meson.build         |   1 +
 2 files changed, 133 insertions(+)
 create mode 100644 tests/intel/kms_pm_vrsr.c

diff --git a/tests/intel/kms_pm_vrsr.c b/tests/intel/kms_pm_vrsr.c
new file mode 100644
index 000000000..671621a66
--- /dev/null
+++ b/tests/intel/kms_pm_vrsr.c
@@ -0,0 +1,132 @@
+// SPDX-License-Identifier: MIT
+/*
+ * Copyright © 2025 Intel Corporation
+ */
+
+/**
+ * TEST: kms pm vrsr
+ * Category: Display
+ * Description: Tests to validate vram self refresh along with display flips.
+ * Driver requirement: xe
+ * Mega feature: Display Power Management
+ */
+
+#include <fcntl.h>
+
+#include "igt.h"
+#include "igt_sysfs.h"
+
+/**
+ * SUBTEST: vram-self-refresh
+ * Description: This test validates display flips with vram self refresh
+ *
+ */
+
+IGT_TEST_DESCRIPTION("This test validates display flips with vram self refresh.");
+
+bool kms_poll_saved_state;
+
+typedef struct {
+	int fd_xe;
+	int debugfs_fd;
+	uint32_t devid;
+	char *debugfs_dump;
+	igt_display_t display;
+	struct igt_fb fb_white;
+	drmModeModeInfo *mode;
+	igt_output_t *output;
+} device_t;
+
+static void vram_self_refresh(device_t *device);
+
+static void display_fini(device_t *device)
+{
+	igt_display_fini(&device->display);
+}
+
+static void setup_primary(device_t *device)
+{
+	igt_plane_t *primary;
+
+	primary = igt_output_get_plane_type(device->output,
+					    DRM_PLANE_TYPE_PRIMARY);
+	igt_plane_set_fb(primary, NULL);
+	igt_create_color_fb(device->fd_xe,
+			    device->mode->hdisplay, device->mode->vdisplay,
+			    DRM_FORMAT_XRGB8888,
+			    DRM_FORMAT_MOD_LINEAR,
+			    1.0, 1.0, 1.0,
+			    &device->fb_white);
+	igt_plane_set_fb(primary, &device->fb_white);
+	igt_display_commit(&device->display);
+}
+
+static void detect_primary_output(device_t *device)
+{
+	igt_display_t *display = &device->display;
+	igt_output_t *output;
+	enum pipe pipe;
+
+	for_each_pipe_with_valid_output(display, pipe, output) {
+		drmModeConnectorPtr c = output->config.connector;
+
+		if (c->connection != DRM_MODE_CONNECTED)
+			continue;
+
+		igt_display_reset(display);
+		igt_output_set_pipe(output, pipe);
+
+		if (!intel_pipe_output_combo_valid(display))
+			continue;
+
+		device->output = output;
+		device->mode = igt_output_get_mode(output);
+
+		break;
+	}
+}
+static void cleanup(device_t *device)
+{
+	igt_plane_t *primary;
+
+	primary = igt_output_get_plane_type(device->output,
+					    DRM_PLANE_TYPE_PRIMARY);
+	igt_plane_set_fb(primary, NULL);
+	igt_display_commit(&device->display);
+	igt_remove_fb(device->fd_xe, &device->fb_white);
+}
+
+
+static void vram_self_refresh(device_t *device)
+{
+	detect_primary_output(device);
+	setup_primary(device);
+	cleanup(device);
+}
+
+igt_main
+{
+	device_t device = {};
+
+	igt_fixture {
+		device.fd_xe = drm_open_driver_master(DRIVER_INTEL | DRIVER_XE);
+		device.debugfs_fd = igt_debugfs_dir(device.fd_xe);
+		igt_require(device.debugfs_fd != -1);
+		kmstest_set_vt_graphics_mode();
+		device.devid = intel_get_drm_devid(device.fd_xe);
+		igt_display_require(&device.display, device.fd_xe);
+	}
+
+	igt_describe("This test validates display flips with vram self refresh");
+	igt_subtest("vram-self-refresh") {
+		vram_self_refresh(&device);
+	}
+
+	igt_fixture {
+		close(device.debugfs_fd);
+		display_fini(&device);
+		drm_close_driver(device.fd_xe);
+	}
+
+	igt_exit();
+}
diff --git a/tests/meson.build b/tests/meson.build
index 55bcf57ec..3b8edfe89 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -265,6 +265,7 @@ intel_kms_progs = [
 	'kms_pm_dc',
 	'kms_pm_lpsp',
 	'kms_pm_rpm',
+        'kms_pm_vrsr',
 	'kms_psr',
 	'kms_psr2_sf',
 	'kms_psr2_su',
-- 
2.25.1