From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga04.intel.com (mga04.intel.com [192.55.52.120]) by gabe.freedesktop.org (Postfix) with ESMTPS id E93DD10E1A4 for ; Wed, 5 Jul 2023 08:47:50 +0000 (UTC) From: "Thasleem, Mohammed" To: igt-dev@lists.freedesktop.org Date: Wed, 5 Jul 2023 14:16:58 +0530 Message-Id: <20230705084658.246195-1-mohammed.thasleem@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [igt-dev] [PATCH i-g-t] lib/igt_kms: Add helper with DPMS to turn on and off the displays List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thasleem@freedesktop.org Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" List-ID: From: Bhanuprakash Modem This helper will turn on and off the displays with the help of DPMS properties set to ON and OFF. Signed-off-by: Bhanuprakash Modem Signed-off-by: Thasleem, Mohammed --- lib/igt_kms.c | 36 ++++++++++++++++++++++++++++++++++++ lib/igt_kms.h | 3 +++ 2 files changed, 39 insertions(+) diff --git a/lib/igt_kms.c b/lib/igt_kms.c index f2b0eed57..3afa0cee0 100644 --- a/lib/igt_kms.c +++ b/lib/igt_kms.c @@ -6029,3 +6029,39 @@ bool i915_pipe_output_combo_valid(igt_display_t *display) */ return igt_check_bigjoiner_support(display); } + +void igt_dpms_turn_on_display(int drm_fd) +{ + igt_display_t display; + igt_output_t *output; + + if (!drmModeGetResources(drm_fd)) + return; + + igt_display_require(&display, drm_fd); + + for_each_connected_output(&display, output) + igt_output_set_prop_value(output, IGT_CONNECTOR_DPMS, DRM_MODE_DPMS_ON); + + igt_display_commit2(&display, COMMIT_ATOMIC); + + igt_display_fini(&display); +} + +void igt_dpms_turn_off_display(int drm_fd) +{ + igt_display_t display; + igt_output_t *output; + + if (!drmModeGetResources(drm_fd)) + return; + + igt_display_require(&display, drm_fd); + + for_each_connected_output(&display, output) + igt_output_set_prop_value(output, IGT_CONNECTOR_DPMS, DRM_MODE_DPMS_OFF); + + igt_display_commit2(&display, COMMIT_ATOMIC); + + igt_display_fini(&display); +} diff --git a/lib/igt_kms.h b/lib/igt_kms.h index 1b6988c17..32d20d683 100644 --- a/lib/igt_kms.h +++ b/lib/igt_kms.h @@ -1005,4 +1005,7 @@ 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); +void igt_dpms_turn_on_display(int drm_fd); +void igt_dpms_turn_off_display(int drm_fd); + #endif /* __IGT_KMS_H__ */ -- 2.25.1