From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 48A0AC433DF for ; Fri, 29 May 2020 17:57:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2877C2074D for ; Fri, 29 May 2020 17:57:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728181AbgE2R5G (ORCPT ); Fri, 29 May 2020 13:57:06 -0400 Received: from asav22.altibox.net ([109.247.116.9]:39046 "EHLO asav22.altibox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728030AbgE2R5G (ORCPT ); Fri, 29 May 2020 13:57:06 -0400 Received: from localhost.localdomain (unknown [81.166.168.211]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: noralf.tronnes@ebnett.no) by asav22.altibox.net (Postfix) with ESMTPSA id 6198A200C5; Fri, 29 May 2020 19:57:03 +0200 (CEST) From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= To: dri-devel@lists.freedesktop.org, balbi@kernel.org Cc: linux-usb@vger.kernel.org, sam@ravnborg.org, =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= Subject: [PATCH v3 2/6] drm/client: Add drm_client_modeset_disable() Date: Fri, 29 May 2020 19:56:39 +0200 Message-Id: <20200529175643.46094-3-noralf@tronnes.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20200529175643.46094-1-noralf@tronnes.org> References: <20200529175643.46094-1-noralf@tronnes.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-CMAE-Score: 0 X-CMAE-Analysis: v=2.3 cv=LvK8NEVc c=1 sm=1 tr=0 a=OYZzhG0JTxDrWp/F2OJbnw==:117 a=OYZzhG0JTxDrWp/F2OJbnw==:17 a=IkcTkHD0fZMA:10 a=M51BFTxLslgA:10 a=SJz97ENfAAAA:8 a=0d597LMeBdbU6fJEcaIA:9 a=QEXdDO2ut3YA:10 a=vFet0B0WnEQeilDPIY6i:22 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Add a way for clients to disable all outputs. Signed-off-by: Noralf Trønnes --- drivers/gpu/drm/drm_client_modeset.c | 20 ++++++++++++++++++++ include/drm/drm_client.h | 1 + 2 files changed, 21 insertions(+) diff --git a/drivers/gpu/drm/drm_client_modeset.c b/drivers/gpu/drm/drm_client_modeset.c index 27e2fb41f14d..977bcd063520 100644 --- a/drivers/gpu/drm/drm_client_modeset.c +++ b/drivers/gpu/drm/drm_client_modeset.c @@ -1225,3 +1225,23 @@ int drm_client_modeset_dpms(struct drm_client_dev *client, int mode) return ret; } EXPORT_SYMBOL(drm_client_modeset_dpms); + +/** + * drm_client_modeset_disable() - Disable all outputs + * @client: DRM client + * + * This function disables all outputs by first clearing the modeset array and + * then committing the empty modesets. + * + * Returns: + * Zero on success or negative error code on failure. + */ +int drm_client_modeset_disable(struct drm_client_dev *client) +{ + mutex_lock(&client->modeset_mutex); + drm_client_modeset_release(client); + mutex_unlock(&client->modeset_mutex); + + return drm_client_modeset_commit(client); +} +EXPORT_SYMBOL(drm_client_modeset_disable); diff --git a/include/drm/drm_client.h b/include/drm/drm_client.h index 76704f48fc46..498089b647da 100644 --- a/include/drm/drm_client.h +++ b/include/drm/drm_client.h @@ -168,6 +168,7 @@ int drm_client_modeset_check(struct drm_client_dev *client); int drm_client_modeset_commit_locked(struct drm_client_dev *client); int drm_client_modeset_commit(struct drm_client_dev *client); int drm_client_modeset_dpms(struct drm_client_dev *client, int mode); +int drm_client_modeset_disable(struct drm_client_dev *client); /** * drm_client_for_each_modeset() - Iterate over client modesets -- 2.23.0