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=unavailable 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 EE586C2D0E8 for ; Thu, 26 Mar 2020 23:27:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BB73820774 for ; Thu, 26 Mar 2020 23:27:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585265240; bh=TOlzQZqFBlXXk6vVW3nEQ7OnPHurudRh2uEU+6f1lvY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=xW3VoaSQ38vHxvvx/8t/n74K7MvVLKJkDgqlExD+HqSX0pUY0lRvhpvk+0frKtnub 5SUFKJvQ/iASKEHv7dzRA81qffiCMal7NjeH/YkCvgRDl+ltDu1cH1+SuWc+TwSIbo R0kxQzRUEfSk2G5zxuLLcJv4mgwvuGQCv+CQKtDo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727991AbgCZX1P (ORCPT ); Thu, 26 Mar 2020 19:27:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:45488 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728159AbgCZXZC (ORCPT ); Thu, 26 Mar 2020 19:25:02 -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 E6ACD21707; Thu, 26 Mar 2020 23:25:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1585265101; bh=TOlzQZqFBlXXk6vVW3nEQ7OnPHurudRh2uEU+6f1lvY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=G1ijmhJ07r5cQ5V+GQ/wAvyxZcHh6HIAZhwPkrjdwomjNwkjWkzbHD7sH5Jcj7xW6 Puy0dGqRpoLXBJndQ31urDnH5tP08XE+2qoeioayuuKYd1QiNKFDSIF3TKwhC20rxw M+5RJT+d1eUk+uHgxlYP4evFJegW3AdbJgeFEMAE= 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 4.19 05/15] drm/bochs: downgrade pci_request_region failure from error to warning Date: Thu, 26 Mar 2020 19:24:45 -0400 Message-Id: <20200326232455.8029-5-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200326232455.8029-1-sashal@kernel.org> References: <20200326232455.8029-1-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: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@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