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=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 DABDFC43142 for ; Tue, 31 Jul 2018 00:40:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9D416208A3 for ; Tue, 31 Jul 2018 00:40:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9D416208A3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732188AbeGaCRf (ORCPT ); Mon, 30 Jul 2018 22:17:35 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:51538 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1732039AbeGaCRf (ORCPT ); Mon, 30 Jul 2018 22:17:35 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C1C92402312B; Tue, 31 Jul 2018 00:40:01 +0000 (UTC) Received: from malachite.bss.redhat.com (dhcp-10-20-1-11.bss.redhat.com [10.20.1.11]) by smtp.corp.redhat.com (Postfix) with ESMTP id 75C2F7C5C; Tue, 31 Jul 2018 00:39:58 +0000 (UTC) From: Lyude Paul To: nouveau@lists.freedesktop.org Cc: "David Airlie" , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, "Ben Skeggs" , "Sean Paul" , "Maarten Lankhorst" , "Gustavo Padovan" Subject: [PATCH v3 0/8] Fix connector probing deadlocks from RPM bugs Date: Mon, 30 Jul 2018 20:39:45 -0400 Message-Id: <20180731003954.19962-1-lyude@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Tue, 31 Jul 2018 00:40:01 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Tue, 31 Jul 2018 00:40:01 +0000 (UTC) for IP:'10.11.54.5' DOMAIN:'int-mx05.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'lyude@redhat.com' RCPT:'' Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is the next version of https://patchwork.freedesktop.org/series/46815/ With a lot more thought put into it so as to avoid the potential deadlock scenarios I missed. This also required fixing some bogus DRM helper usage. Try and deadlock me now, nouveau. I dare you!!! Lyude Paul (8): drm/nouveau: Fix bogus drm_kms_helper_poll_enable() placement drm/nouveau: Enable polling even if we have runtime PM drm/fb_helper: Introduce hotplug_suspend/resume() drm/nouveau: Fix deadlock with fb_helper using new helpers drm/nouveau: Use pm_runtime_get_noresume() in connector_detect() drm/nouveau: Respond to HPDs by probing one conn at a time drm/nouveau: Fix deadlocks in nouveau_connector_detect() drm/nouveau: Call pm_runtime_get_noresume() from hpd handlers drivers/gpu/drm/drm_fb_helper.c | 65 +++++++++++++++++++++ drivers/gpu/drm/nouveau/nouveau_connector.c | 60 +++++++++++++++---- drivers/gpu/drm/nouveau/nouveau_connector.h | 1 + drivers/gpu/drm/nouveau/nouveau_display.c | 7 ++- drivers/gpu/drm/nouveau/nouveau_drm.c | 16 +++-- drivers/gpu/drm/nouveau/nouveau_fbcon.c | 1 + include/drm/drm_fb_helper.h | 20 +++++++ 7 files changed, 154 insertions(+), 16 deletions(-) -- 2.17.1