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d="scan'208";a="23981138" Received: from kunal-x299-aorus-gaming-3-pro.iind.intel.com ([10.190.239.13]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Apr 2024 22:24:09 -0700 From: Kunal Joshi To: igt-dev@lists.freedesktop.org Cc: Kunal Joshi , =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= , Ankit Nautiyal , Bhanuprakash Modem Subject: [PATCH i-g-t 4/7] lib/igt_kms: add support for forcing bigjoiner on particular connector Date: Mon, 22 Apr 2024 11:04:51 +0530 Message-Id: <20240422053454.2523989-5-kunal1.joshi@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240422053454.2523989-1-kunal1.joshi@intel.com> References: <20240422053454.2523989-1-kunal1.joshi@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" 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 Cc: Ankit Nautiyal Cc: Bhanuprakash Modem Signed-off-by: Kunal Joshi --- lib/igt_kms.c | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++ lib/igt_kms.h | 1 + 2 files changed, 74 insertions(+) diff --git a/lib/igt_kms.c b/lib/igt_kms.c index ee8848079..c3fd7245f 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); -- 2.25.1