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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 CDFD1C43381 for ; Thu, 14 Mar 2019 11:45:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9B97020693 for ; Thu, 14 Mar 2019 11:45:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727493AbfCNLpI (ORCPT ); Thu, 14 Mar 2019 07:45:08 -0400 Received: from mx1.redhat.com ([209.132.183.28]:39226 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727436AbfCNLpH (ORCPT ); Thu, 14 Mar 2019 07:45:07 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 198E07A178; Thu, 14 Mar 2019 11:45:07 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-116-24.ams2.redhat.com [10.36.116.24]) by smtp.corp.redhat.com (Postfix) with ESMTP id 694AE18258; Thu, 14 Mar 2019 11:45:03 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 68D1711A86; Thu, 14 Mar 2019 12:45:02 +0100 (CET) From: Gerd Hoffmann To: dri-devel@lists.freedesktop.org Cc: Daniel Vetter , Gerd Hoffmann , Bartlomiej Zolnierkiewicz , linux-fbdev@vger.kernel.org (open list:FRAMEBUFFER LAYER), linux-kernel@vger.kernel.org (open list) Subject: [PATCH] fbdev: list all pci memory bars as conflicting apertures Date: Thu, 14 Mar 2019 12:45:00 +0100 Message-Id: <20190314114500.8336-1-kraxel@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Thu, 14 Mar 2019 11:45:07 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Simply add all pci memory bars to struct apertures_struct in remove_conflicting_pci_framebuffers(), without depending on the res_id parameter. The plan is to drop the res_id parameter later on. For now keep the parameter, use it for sanity-checking and warn on inconsistencies. Signed-off-by: Gerd Hoffmann Reviewed-by: Daniel Vetter --- drivers/video/fbdev/core/fbmem.c | 29 +++++++++++++++++++++++++---- 1 file changed, 25 insertions(+), 4 deletions(-) diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c index cb43a2258c51..e4e5c129a0f5 100644 --- a/drivers/video/fbdev/core/fbmem.c +++ b/drivers/video/fbdev/core/fbmem.c @@ -1879,14 +1879,35 @@ int remove_conflicting_pci_framebuffers(struct pci_dev *pdev, int res_id, const { struct apertures_struct *ap; bool primary = false; - int err; + int err, idx, bar; + bool res_id_found = false; - ap = alloc_apertures(1); + for (idx = 0, bar = 0; bar < PCI_ROM_RESOURCE; bar++) { + if (!(pci_resource_flags(pdev, bar) & IORESOURCE_MEM)) + continue; + idx++; + } + + ap = alloc_apertures(idx); if (!ap) return -ENOMEM; - ap->ranges[0].base = pci_resource_start(pdev, res_id); - ap->ranges[0].size = pci_resource_len(pdev, res_id); + for (idx = 0, bar = 0; bar < PCI_ROM_RESOURCE; bar++) { + if (!(pci_resource_flags(pdev, bar) & IORESOURCE_MEM)) + continue; + ap->ranges[idx].base = pci_resource_start(pdev, bar); + ap->ranges[idx].size = pci_resource_len(pdev, bar); + pci_info(pdev, "%s: bar %d: 0x%lx -> 0x%lx\n", __func__, bar, + (unsigned long)pci_resource_start(pdev, bar), + (unsigned long)pci_resource_end(pdev, bar)); + idx++; + if (res_id == bar) + res_id_found = true; + } + if (!res_id_found) + pci_warn(pdev, "%s: passed res_id (%d) is not a memory bar\n", + __func__, res_id); + #ifdef CONFIG_X86 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; -- 2.18.1