[PATCH i-g-t v2 35/39] tests/chamelium/v3: Implement test for DRM device resolution
Louis Chauvet
louis.chauvet at bootlin.com
Tue Jul 9 15:34:51 UTC 2024
This commit introduces a new test to verify that the resolution listed and
used by the DRM device is accurate according to the EDID.
The test is inspired by the v2 version.
Signed-off-by: Louis Chauvet <louis.chauvet at bootlin.com>
---
tests/chamelium/v3/kms_chamelium_v3_edid.c | 104 +++++++++++++++++++++++++++++
1 file changed, 104 insertions(+)
diff --git a/tests/chamelium/v3/kms_chamelium_v3_edid.c b/tests/chamelium/v3/kms_chamelium_v3_edid.c
index b6660769897f..c03829b43aca 100644
--- a/tests/chamelium/v3/kms_chamelium_v3_edid.c
+++ b/tests/chamelium/v3/kms_chamelium_v3_edid.c
@@ -69,6 +69,90 @@ static void edid_stress_resolution(int drm_fd, struct igt_chamelium_v3 *chameliu
}
}
+static void edid_resolution_list(int drm_fd, struct igt_chamelium_v3 *chamelium,
+ struct chamelium_v3_port_mapping *port_mapping)
+{
+ int screen_res_w, screen_res_h;
+ drmModeConnector *connector;
+ chamelium_edid_id edid_id;
+ drmModeModeInfoPtr modes;
+ struct igt_fb fb = {0};
+ igt_display_t display;
+ bool is_video_stable;
+ igt_output_t *output;
+ igt_plane_t *primary;
+ int count_modes, i;
+ enum pipe pipe;
+ uint32_t connector_id;
+
+ chamelium_v3_reset(chamelium);
+
+ edid_id = chamelium_v3_create_edid(chamelium,
+ igt_kms_get_custom_edid(IGT_CUSTOM_EDID_BASE));
+ chamelium_v3_apply_edid(chamelium, port_mapping->port_id, edid_id);
+
+ chamelium_v3_plug(chamelium, port_mapping->port_id);
+
+ connector_id = chamelium_v3_port_mapping_get_connector_id(port_mapping, drm_fd);
+ igt_assert(igt_wait_for_connector_status(drm_fd, connector_id, 10.0,
+ DRM_MODE_CONNECTED));
+
+ connector = chamelium_v3_port_mapping_get_connector(port_mapping, drm_fd);
+ modes = connector->modes;
+ count_modes = connector->count_modes;
+
+ igt_display_require(&display, drm_fd);
+ igt_require(display.is_atomic);
+ igt_display_require_output(&display);
+
+ for (i = 0; i < count_modes; ++i)
+ igt_debug("#%d %s %uHz\n", i, modes[i].name, modes[i].vrefresh);
+
+ for (i = 0; i < count_modes; ++i) {
+ igt_info("Testing #%d %s %uHz\n", i, modes[i].name,
+ modes[i].vrefresh);
+
+ igt_display_reset(&display);
+
+ output = igt_output_from_connector(&display, connector);
+ igt_assert(output);
+ pipe = igt_get_pipe_for_output(&display, output);
+ igt_output_set_pipe(output, pipe);
+
+ /* Set the screen mode with the one we chose. */
+ igt_create_color_fb(drm_fd, modes[i].hdisplay, modes[i].vdisplay,
+ DRM_FORMAT_XRGB8888, DRM_FORMAT_MOD_LINEAR, 1, 0, 0, &fb);
+
+ primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
+ igt_assert(primary);
+
+ igt_plane_set_fb(primary, &fb);
+ igt_fb_set_size(&fb, primary, modes[i].hdisplay, modes[i].vdisplay);
+ igt_plane_set_size(primary, modes[i].hdisplay, modes[i].vdisplay);
+
+ igt_output_override_mode(output, &modes[i]);
+
+ igt_display_commit2(output->display, COMMIT_ATOMIC);
+
+ is_video_stable = chamelium_v3_port_wait_video_input_stable(chamelium,
+ port_mapping->port_id,
+ 10);
+ igt_assert(is_video_stable);
+
+ chamelium_v3_port_get_resolution(chamelium, port_mapping->port_id, &screen_res_w,
+ &screen_res_h);
+ igt_assert_eq(screen_res_w, modes[i].hdisplay);
+ igt_assert_eq(screen_res_h, modes[i].vdisplay);
+
+ igt_remove_fb(drm_fd, &fb);
+ }
+
+ igt_modeset_disable_all_outputs(&display);
+
+ igt_display_fini(&display);
+ drmModeFreeConnector(connector);
+}
+
igt_main
{
struct igt_chamelium_v3 *chamelium;
@@ -163,6 +247,26 @@ igt_main
}
}
+ igt_describe("Set a basic EDID and check if resolution are correct");
+ igt_subtest_with_dynamic("edid-resolution-list") {
+ struct chamelium_v3_port_mapping *port, *tmp;
+
+ igt_list_for_each_entry_safe(port, tmp, chamelium_v3_get_port_mapping(chamelium),
+ link) {
+ igt_dynamic_f("port-%d", port->port_id) {
+ char *name;
+
+ igt_require(!chamelium_v3_is_mst(chamelium, port->port_id));
+
+ name = chamelium_v3_get_port_name(chamelium, port->port_id);
+ igt_info("Testing port %s (%s)\n", port->connector_name, name);
+ free(name);
+
+ edid_resolution_list(drm_fd, chamelium, port);
+ }
+ }
+ }
+
igt_fixture {
chamelium_v3_uninit(chamelium);
drm_close_driver(drm_fd);
--
2.44.2
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