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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 0B09BC43331 for ; Thu, 26 Mar 2020 23:25:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CC7AF20409 for ; Thu, 26 Mar 2020 23:25:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585265155; bh=TOlzQZqFBlXXk6vVW3nEQ7OnPHurudRh2uEU+6f1lvY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ENesfdgoF3gKH6dZXML4Y9O1Yzz60jieqT8JQFxOOEky+k30w1dN4AUt81FMZjDSI M4zLFnew+QUo2Hmak5ke/FmFqNvM6EdgjudQ2w5a9atD6LpAnylgrXCrSW7k74BKBX kBb/x9TTiE+suNdGdI4DYJUCZlwdvvFRX3+kzhvQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728414AbgCZXZy (ORCPT ); Thu, 26 Mar 2020 19:25:54 -0400 Received: from mail.kernel.org ([198.145.29.99]:46750 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728376AbgCZXZi (ORCPT ); Thu, 26 Mar 2020 19:25:38 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8D2B9208FE; Thu, 26 Mar 2020 23:25:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585265138; bh=TOlzQZqFBlXXk6vVW3nEQ7OnPHurudRh2uEU+6f1lvY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fN6YBz+eRZdqYhXsmmijW/1SwraTA1mssXq+s3IqzDU7BZWIzWn+H/tSLBrzqP11V fJ4DIshsFn2j1hm6qaXLUZ1PFEcjKz2Qe9XaNeZ5DGHEIqanu2eMpIRBLVwRjkqvEp tVsDPpVxrHvBcnL0lkDABJUPXmUsXGbmI5uq8ZYE= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Gerd Hoffmann , =?UTF-8?q?Marek=20Marczykowski-G=C3=B3recki?= , Sam Ravnborg , Sasha Levin , virtualization@lists.linux-foundation.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 4.4 2/4] drm/bochs: downgrade pci_request_region failure from error to warning Date: Thu, 26 Mar 2020 19:25:33 -0400 Message-Id: <20200326232535.8460-2-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200326232535.8460-1-sashal@kernel.org> References: <20200326232535.8460-1-sashal@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Gerd Hoffmann [ Upstream commit 8c34cd1a7f089dc03933289c5d4a4d1489549828 ] Shutdown of firmware framebuffer has a bunch of problems. Because of this the framebuffer region might still be reserved even after drm_fb_helper_remove_conflicting_pci_framebuffers() returned. Don't consider pci_request_region() failure for the framebuffer region as fatal error to workaround this issue. Reported-by: Marek Marczykowski-Górecki Signed-off-by: Gerd Hoffmann Acked-by: Sam Ravnborg Link: http://patchwork.freedesktop.org/patch/msgid/20200313084152.2734-1-kraxel@redhat.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/bochs/bochs_hw.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/bochs/bochs_hw.c b/drivers/gpu/drm/bochs/bochs_hw.c index a39b0343c197d..401c218567af9 100644 --- a/drivers/gpu/drm/bochs/bochs_hw.c +++ b/drivers/gpu/drm/bochs/bochs_hw.c @@ -97,10 +97,8 @@ int bochs_hw_init(struct drm_device *dev, uint32_t flags) size = min(size, mem); } - if (pci_request_region(pdev, 0, "bochs-drm") != 0) { - DRM_ERROR("Cannot request framebuffer\n"); - return -EBUSY; - } + if (pci_request_region(pdev, 0, "bochs-drm") != 0) + DRM_WARN("Cannot request framebuffer, boot fb still active?\n"); bochs->fb_map = ioremap(addr, size); if (bochs->fb_map == NULL) { -- 2.20.1