From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id 45AA110E049 for ; Tue, 8 Aug 2023 19:40:46 +0000 (UTC) From: Swati Sharma To: igt-dev@lists.freedesktop.org Date: Wed, 9 Aug 2023 01:10:33 +0530 Message-Id: <20230808194036.1045626-2-swati2.sharma@intel.com> In-Reply-To: <20230808194036.1045626-1-swati2.sharma@intel.com> References: <20230808194036.1045626-1-swati2.sharma@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [igt-dev] [PATCH i-g-t 1/4] lib/igt_kms: add helper to check if output is mst List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" List-ID: Helper is added to check if output is mst or not. Signed-off-by: Swati Sharma --- lib/igt_kms.c | 21 +++++++++++++++++++++ lib/igt_kms.h | 1 + 2 files changed, 22 insertions(+) diff --git a/lib/igt_kms.c b/lib/igt_kms.c index e0959ccff..b3a9375ee 100644 --- a/lib/igt_kms.c +++ b/lib/igt_kms.c @@ -6039,3 +6039,24 @@ bool i915_pipe_output_combo_valid(igt_display_t *display) */ return igt_check_bigjoiner_support(display); } + +/** + * igt_check_output_is_dp_mst + * @drmfd: Handle to open drm device + * @output: Target output + * + * Returns: true if output is dp-mst, else false. + */ +bool igt_check_output_is_dp_mst(int drm_fd, igt_output_t *output) +{ + struct kmstest_connector_config config; + const char *encoder; + + kmstest_get_connector_config(drm_fd, output->config.connector->connector_id, -1, &config); + encoder = kmstest_encoder_type_str(config.encoder->encoder_type); + + if (strcmp(encoder, "DP MST")) + return false; + + return true; +} diff --git a/lib/igt_kms.h b/lib/igt_kms.h index 91355c910..d8d6ccfe5 100644 --- a/lib/igt_kms.h +++ b/lib/igt_kms.h @@ -1013,5 +1013,6 @@ bool igt_bigjoiner_possible(drmModeModeInfo *mode, int max_dotclock); bool igt_check_bigjoiner_support(igt_display_t *display); bool igt_parse_mode_string(const char *mode_string, drmModeModeInfo *mode); bool i915_pipe_output_combo_valid(igt_display_t *display); +bool igt_check_output_is_dp_mst(int drmfd, igt_output_t *output); #endif /* __IGT_KMS_H__ */ -- 2.25.1