From patchwork Thu Nov 19 13:51:37 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Wilson X-Patchwork-Id: 7657211 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id AA4EDBF90C for ; Thu, 19 Nov 2015 13:52:09 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B58EE206B8 for ; Thu, 19 Nov 2015 13:52:08 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id C8EC5206AF for ; Thu, 19 Nov 2015 13:52:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 296F96E95C; Thu, 19 Nov 2015 05:52:02 -0800 (PST) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from fireflyinternet.com (mail.fireflyinternet.com [87.106.93.118]) by gabe.freedesktop.org (Postfix) with ESMTP id 985386E95C for ; Thu, 19 Nov 2015 05:52:00 -0800 (PST) X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.65.138; Received: from haswell.alporthouse.com (unverified [78.156.65.138]) by fireflyinternet.com (Firefly Internet (M1)) with ESMTP id 48486032-1500048 for multiple; Thu, 19 Nov 2015 13:51:58 +0000 Received: by haswell.alporthouse.com (sSMTP sendmail emulation); Thu, 19 Nov 2015 13:51:39 +0000 From: Chris Wilson To: dri-devel@lists.freedesktop.org Subject: [PATCH] drm: Send a hotplug uevent after performing a sysfs connection probe Date: Thu, 19 Nov 2015 13:51:37 +0000 Message-Id: <1447941097-23302-1-git-send-email-chris@chris-wilson.co.uk> X-Mailer: git-send-email 2.6.2 X-Originating-IP: 78.156.65.138 X-Country: code=GB country="United Kingdom" ip=78.156.65.138 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-4.8 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP If we probe the connector status from sysfs and find it has a new value, we should synthesize the associated hotplug uevent. This keeps our behaviour consistent and informs userspace of any override or change imposed by the user. Signed-off-by: Chris Wilson --- drivers/gpu/drm/drm_sysfs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c index 615b7e667320..382b82f871bc 100644 --- a/drivers/gpu/drm/drm_sysfs.c +++ b/drivers/gpu/drm/drm_sysfs.c @@ -208,6 +208,8 @@ static ssize_t status_store(struct device *device, if (dev->mode_config.poll_enabled) schedule_delayed_work(&dev->mode_config.output_poll_work, 0); + + drm_kms_helper_hotplug_event(dev); } mutex_unlock(&dev->mode_config.mutex);