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=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 669E2C3F68F for ; Thu, 12 Dec 2019 08:14:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3CBAE2173E for ; Thu, 12 Dec 2019 08:14:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728211AbfLLIOa (ORCPT ); Thu, 12 Dec 2019 03:14:30 -0500 Received: from mga11.intel.com ([192.55.52.93]:54992 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728157AbfLLIOa (ORCPT ); Thu, 12 Dec 2019 03:14:30 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Dec 2019 00:14:29 -0800 X-IronPort-AV: E=Sophos;i="5.69,305,1571727600"; d="scan'208";a="207991813" Received: from lenovo-x280.ger.corp.intel.com (HELO localhost) ([10.252.35.33]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 12 Dec 2019 00:14:26 -0800 From: Jani Nikula To: Chuhong Yuan Cc: David Airlie , nouveau@lists.freedesktop.org, Chuhong Yuan , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, Ben Skeggs Subject: Re: [PATCH] drm/dp_mst: add missed nv50_outp_release in nv50_msto_disable In-Reply-To: <20191206075321.18239-1-hslester96@gmail.com> Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo References: <20191206075321.18239-1-hslester96@gmail.com> Date: Thu, 12 Dec 2019 10:14:25 +0200 Message-ID: <8736dq2c66.fsf@intel.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 06 Dec 2019, Chuhong Yuan wrote: > nv50_msto_disable() does not call nv50_outp_release() to match > nv50_outp_acquire() like other disable(). > Add the missed call to fix it. The subject prefix "drm/dp_mst" implies drm core change, but this is about nouveau. Please fix. BR, Jani. > > Signed-off-by: Chuhong Yuan > --- > drivers/gpu/drm/nouveau/dispnv50/disp.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c > index 549486f1d937..84e1417355cc 100644 > --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c > +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c > @@ -862,8 +862,10 @@ nv50_msto_disable(struct drm_encoder *encoder) > > mstm->outp->update(mstm->outp, msto->head->base.index, NULL, 0, 0); > mstm->modified = true; > - if (!--mstm->links) > + if (!--mstm->links) { > mstm->disabled = true; > + nv50_outp_release(mstm->outp); > + } > msto->disabled = true; > } -- Jani Nikula, Intel Open Source Graphics Center