From patchwork Sun Jul 26 21:26:18 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ondrej Zary X-Patchwork-Id: 6867501 Return-Path: X-Original-To: patchwork-linux-fbdev@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 7B665C05AC for ; Sun, 26 Jul 2015 21:55:23 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A9A8020658 for ; Sun, 26 Jul 2015 21:55:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B117120664 for ; Sun, 26 Jul 2015 21:55:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754968AbbGZVzV (ORCPT ); Sun, 26 Jul 2015 17:55:21 -0400 Received: from ns.gsystem.sk ([62.176.172.50]:56924 "EHLO gsystem.sk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754216AbbGZVzU (ORCPT ); Sun, 26 Jul 2015 17:55:20 -0400 Received: from stip-static-68.213-81-217.telecom.sk ([213.81.217.68] helo=gsql.ggedos.sk) by gsystem.sk with esmtpsa (TLS1.1:DHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.80) (envelope-from ) id 1ZJTRZ-00042M-7Y; Sun, 26 Jul 2015 23:26:49 +0200 From: Ondrej Zary To: Paul Mackerras Cc: linux-fbdev@vger.kernel.org, Kernel development list Subject: [PATCH 1/5] gxt4500: enable on non-PPC architectures Date: Sun, 26 Jul 2015 23:26:18 +0200 Message-Id: <1437945982-3021-2-git-send-email-linux@rainbow-software.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1437945982-3021-1-git-send-email-linux@rainbow-software.org> References: <1437945982-3021-1-git-send-email-linux@rainbow-software.org> Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP These chips can be present at least on x86 too - Fire GL2 AGP has GXT6000P but this driver is currently limited to PPC. Enable it for all architectures and add chip configuration for little-endian. Tested on x86 with Fire GL2 AGP. Signed-off-by: Ondrej Zary --- drivers/video/fbdev/Kconfig | 5 +++-- drivers/video/fbdev/gxt4500.c | 7 +++++++ 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index 2d98de5..78335bd 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -2132,7 +2132,7 @@ config FB_UDL config FB_IBM_GXT4500 tristate "Framebuffer support for IBM GXT4000P/4500P/6000P/6500P adaptors" - depends on FB && PPC + depends on FB select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT @@ -2140,7 +2140,8 @@ config FB_IBM_GXT4500 Say Y here to enable support for the IBM GXT4000P/6000P and GXT4500P/6500P display adaptor based on Raster Engine RC1000, found on some IBM System P (pSeries) machines. This driver - doesn't use Geometry Engine GT1000. + doesn't use Geometry Engine GT1000. This driver also supports + AGP Fire GL2/3/4 cards on x86. config FB_PS3 tristate "PS3 GPU framebuffer driver" diff --git a/drivers/video/fbdev/gxt4500.c b/drivers/video/fbdev/gxt4500.c index 135d78a..1bf9894 100644 --- a/drivers/video/fbdev/gxt4500.c +++ b/drivers/video/fbdev/gxt4500.c @@ -670,8 +670,15 @@ static int gxt4500_probe(struct pci_dev *pdev, const struct pci_device_id *ent) pci_set_drvdata(pdev, info); +#ifdef __BIG_ENDIAN /* Set byte-swapping for DFA aperture for all pixel sizes */ pci_write_config_dword(pdev, CFG_ENDIAN0, 0x333300); +#else /* __LITTLE_ENDIAN */ + /* not sure what this means but fgl23 driver does that */ + pci_write_config_dword(pdev, CFG_ENDIAN0, 0x2300); +/* pci_write_config_dword(pdev, CFG_ENDIAN0 + 4, 0x400000);*/ + pci_write_config_dword(pdev, CFG_ENDIAN0 + 8, 0x98530000); +#endif info->fbops = &gxt4500_ops; info->flags = FBINFO_FLAG_DEFAULT;