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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,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 BD2C3C433E0 for ; Tue, 26 Jan 2021 08:30:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6159E221EB for ; Tue, 26 Jan 2021 08:30:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389908AbhAZI2v (ORCPT ); Tue, 26 Jan 2021 03:28:51 -0500 Received: from mail.kernel.org ([198.145.29.99]:59170 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727686AbhAYSmw (ORCPT ); Mon, 25 Jan 2021 13:42:52 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 3C4A7224DF; Mon, 25 Jan 2021 18:41:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1611600068; bh=Xz+i1Z3mOF9fKx3oJXp8w7X6GXSJakG1pmdkXz0IVGg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZPTb5zNwZuGFtxyPL8FcLuYkYhhdY2t/QD9o3pxxrIcaQQIJGyqn4Cqug1+Vlr1uT jNhb+JPMJqFz0KMhon7eoYHenm7zgXL6yelk+Io/oNIAYVWsm+5HTyDe8C6skHiTU6 vMdTYSvrDdiEifCr5Q1E3euG2C2WtMzh4kJx0e3M= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ben Skeggs , Sasha Levin Subject: [PATCH 4.19 19/58] drm/nouveau/bios: fix issue shadowing expansion ROMs Date: Mon, 25 Jan 2021 19:39:20 +0100 Message-Id: <20210125183157.519374877@linuxfoundation.org> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210125183156.702907356@linuxfoundation.org> References: <20210125183156.702907356@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ben Skeggs [ Upstream commit 402a89660e9dc880710b12773076a336c9dab3d7 ] This issue has generally been covered up by the presence of additional expansion ROMs after the ones we're interested in, with header fetches of subsequent images loading enough of the ROM to hide the issue. Noticed on GA102, which lacks a type 0x70 image compared to TU102,. [ 906.364197] nouveau 0000:09:00.0: bios: 00000000: type 00, 65024 bytes [ 906.381205] nouveau 0000:09:00.0: bios: 0000fe00: type 03, 91648 bytes [ 906.405213] nouveau 0000:09:00.0: bios: 00026400: type e0, 22016 bytes [ 906.410984] nouveau 0000:09:00.0: bios: 0002ba00: type e0, 366080 bytes vs [ 22.961901] nouveau 0000:09:00.0: bios: 00000000: type 00, 60416 bytes [ 22.984174] nouveau 0000:09:00.0: bios: 0000ec00: type 03, 71168 bytes [ 23.010446] nouveau 0000:09:00.0: bios: 00020200: type e0, 48128 bytes [ 23.028220] nouveau 0000:09:00.0: bios: 0002be00: type e0, 140800 bytes [ 23.080196] nouveau 0000:09:00.0: bios: 0004e400: type 70, 7168 bytes Signed-off-by: Ben Skeggs Signed-off-by: Sasha Levin --- drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c index 7deb81b6dbac6..4b571cc6bc70f 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c @@ -75,7 +75,7 @@ shadow_image(struct nvkm_bios *bios, int idx, u32 offset, struct shadow *mthd) nvkm_debug(subdev, "%08x: type %02x, %d bytes\n", image.base, image.type, image.size); - if (!shadow_fetch(bios, mthd, image.size)) { + if (!shadow_fetch(bios, mthd, image.base + image.size)) { nvkm_debug(subdev, "%08x: fetch failed\n", image.base); return 0; } -- 2.27.0