diff options
author | Kunal Joshi <kunal1.joshi@intel.com> | 2024-04-22 11:04:51 +0530 |
---|---|---|
committer | Bhanuprakash Modem <bhanuprakash.modem@intel.com> | 2024-04-23 14:19:54 +0530 |
commit | 6c157d2bd8bc51dd929743e4ce00c61784adb52b (patch) | |
tree | cbdcd2b47fead42d6787b53fe94e8b20492037c3 | |
parent | 1ba689c3b75d5f0f79eb3885e8ed509c7e80e5b3 (diff) |
lib/igt_kms: add support for forcing bigjoiner on particular connector
add kmstest_force_connector_bigjoiner function which
force bigjoiner on provided connector as well as resets on exit.
v2: remove redundant function (Bhanu)
v3: initialize idx (Bhanu)
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Cc: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
Signed-off-by: Kunal Joshi <kunal1.joshi@intel.com>
Reviewed-by: Bhanuprakash Modem <bhanuprakash.modem@intel.com>
-rw-r--r-- | lib/igt_kms.c | 73 | ||||
-rw-r--r-- | lib/igt_kms.h | 1 |
2 files changed, 74 insertions, 0 deletions
diff --git a/lib/igt_kms.c b/lib/igt_kms.c index ee8848079..2dcf330de 100644 --- a/lib/igt_kms.c +++ b/lib/igt_kms.c @@ -1607,6 +1607,36 @@ static bool connector_attr_set_sysfs(int drm_fd, return true; } +static bool connector_attr_set_debugfs(int drm_fd, + drmModeConnector *connector, + const char *attr, const char *value, + const char *reset_value) +{ + char name[80]; + int idx, dir; + + idx = igt_device_get_card_index(drm_fd); + if (idx < 0 || idx > 63) + return false; + + snprintf(name, sizeof(name), "%s-%d", + kmstest_connector_type_str(connector->connector_type), + connector->connector_type_id); + + dir = igt_debugfs_connector_dir(drm_fd, name, O_DIRECTORY); + if (dir < 0) + return false; + + if (!connector_attr_set(idx, connector, dir, + igt_sysfs_set, attr, + value, reset_value)) + return false; + + igt_info("Connector %s/%s is now %s\n", name, attr, value); + + return true; +} + static void dump_connector_attrs(void) { char name[80]; @@ -1690,6 +1720,49 @@ bool kmstest_force_connector(int drm_fd, drmModeConnector *connector, return true; } +static bool force_connector_bigjoiner(int drm_fd, + drmModeConnector *connector, + const char *value) +{ + return connector_attr_set_debugfs(drm_fd, connector, + "i915_bigjoiner_force_enable", + value, "0"); +} + +/** + * kmstest_force_connector_bigjoiner: + * @fd: drm file descriptor + * @connector: connector + * + * Enable force bigjoiner state on the specified connector + * and install exit handler for resetting + * + * Returns: True on success + */ +bool kmstest_force_connector_bigjoiner(int drm_fd, drmModeConnector *connector) +{ + const char *value = "1"; + drmModeConnector *temp; + + if (!is_intel_device(drm_fd)) + return false; + + if (!force_connector_bigjoiner(drm_fd, connector, value)) + return false; + + dump_connector_attrs(); + igt_install_exit_handler(reset_connectors_at_exit); + + /* + * To allow callers to always use GetConnectorCurrent we need to force a + * redetection here. + */ + temp = drmModeGetConnector(drm_fd, connector->connector_id); + drmModeFreeConnector(temp); + + return true; +} + /** * kmstest_force_edid: * @drm_fd: drm file descriptor diff --git a/lib/igt_kms.h b/lib/igt_kms.h index 6d13e5851..0abf450c1 100644 --- a/lib/igt_kms.h +++ b/lib/igt_kms.h @@ -262,6 +262,7 @@ struct edid; bool kmstest_force_connector(int fd, drmModeConnector *connector, enum kmstest_force_connector_state state); +bool kmstest_force_connector_bigjoiner(int drm_fd, drmModeConnector *connector); void kmstest_force_edid(int drm_fd, drmModeConnector *connector, const struct edid *edid); |