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=-6.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 D10A9C2BA16 for ; Fri, 3 Apr 2020 20:08:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A1A94206E2 for ; Fri, 3 Apr 2020 20:08:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="VDaWEnWa" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728144AbgDCUI0 (ORCPT ); Fri, 3 Apr 2020 16:08:26 -0400 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:46622 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727882AbgDCUIP (ORCPT ); Fri, 3 Apr 2020 16:08:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1585944491; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=LMriJrQ1riXNc8bvUY/SAdc3wYKQUG6oet7C9PfKLgg=; b=VDaWEnWaHywJsluI3ZyD/K3Gl26vLkh84/Lrf/M8TtVSQjoW1efsdd4KFjfoI/5aw4vpta 9qQRYDJSSnFX0z9V7qQf8oSss6NekdtiJa5syddTCGp4fU8Ya9fOrGqje8EtHe6E3GSyvp +RuyqUVBqitNPu+rNpJwoAR4KjD/uAE= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-155-fQ1kpNknOHOzZ_y8xkbZXw-1; Fri, 03 Apr 2020 16:08:07 -0400 X-MC-Unique: fQ1kpNknOHOzZ_y8xkbZXw-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 43D3B8017F4; Fri, 3 Apr 2020 20:08:06 +0000 (UTC) Received: from Ruby.redhat.com (ovpn-117-203.rdu2.redhat.com [10.10.117.203]) by smtp.corp.redhat.com (Postfix) with ESMTP id BFA675C64E; Fri, 3 Apr 2020 20:08:04 +0000 (UTC) From: Lyude Paul To: dri-devel@lists.freedesktop.org Cc: Sean Paul , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Daniel Vetter , linux-kernel@vger.kernel.org Subject: [PATCH 1/4] drm/dp_mst: Improve kdocs for drm_dp_check_act_status() Date: Fri, 3 Apr 2020 16:07:53 -0400 Message-Id: <20200403200757.886443-2-lyude@redhat.com> In-Reply-To: <20200403200757.886443-1-lyude@redhat.com> References: <20200403200757.886443-1-lyude@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org No functional changes. Signed-off-by: Lyude Paul Cc: Sean Paul --- drivers/gpu/drm/drm_dp_mst_topology.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_= dp_mst_topology.c index 10d0315af513..2b9ce965f044 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -4462,10 +4462,14 @@ static int drm_dp_dpcd_write_payload(struct drm_d= p_mst_topology_mgr *mgr, =20 =20 /** - * drm_dp_check_act_status() - Check ACT handled status. + * drm_dp_check_act_status() - Polls for ACT handled status. * @mgr: manager to use * - * Check the payload status bits in the DPCD for ACT handled completion. + * Tries waiting for the MST hub to finish updating it's payload table b= y + * polling for the ACT handled bit. + * + * Returns: + * 0 if the ACT was handled in time, negative error code on failure. */ int drm_dp_check_act_status(struct drm_dp_mst_topology_mgr *mgr) { --=20 2.25.1