From patchwork Wed Oct 29 15:47:07 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Carpenter X-Patchwork-Id: 5188961 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id BE235C11AC for ; Wed, 29 Oct 2014 15:47:27 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id EEC932022A for ; Wed, 29 Oct 2014 15:47:26 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id BE91120225 for ; Wed, 29 Oct 2014 15:47:25 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id C006189C6E; Wed, 29 Oct 2014 08:47:23 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from aserp1040.oracle.com (aserp1040.oracle.com [141.146.126.69]) by gabe.freedesktop.org (Postfix) with ESMTP id 934B46E5DD for ; Wed, 29 Oct 2014 08:47:22 -0700 (PDT) Received: from acsinet22.oracle.com (acsinet22.oracle.com [141.146.126.238]) by aserp1040.oracle.com (Sentrion-MTA-4.3.2/Sentrion-MTA-4.3.2) with ESMTP id s9TFlHnQ017921 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Wed, 29 Oct 2014 15:47:18 GMT Received: from userz7022.oracle.com (userz7022.oracle.com [156.151.31.86]) by acsinet22.oracle.com (8.14.4+Sun/8.14.4) with ESMTP id s9TFlGYN021754 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 29 Oct 2014 15:47:17 GMT Received: from abhmp0005.oracle.com (abhmp0005.oracle.com [141.146.116.11]) by userz7022.oracle.com (8.14.5+Sun/8.14.4) with ESMTP id s9TEx5XH024236; Wed, 29 Oct 2014 14:59:05 GMT Received: from mwanda (/154.0.130.194) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Wed, 29 Oct 2014 08:47:15 -0700 Date: Wed, 29 Oct 2014 18:47:07 +0300 From: Dan Carpenter To: Alex Deucher Subject: [patch] drm/radeon: remove some buggy dead code Message-ID: <20141029154707.GA5290@mwanda> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.21 (2010-09-15) X-Source-IP: acsinet22.oracle.com [141.146.126.238] Cc: kernel-janitors@vger.kernel.org, Christian =?iso-8859-1?Q?K=F6nig?= , dri-devel@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-4.8 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 The calculation of "num_shader_engines" has a precedence bug because the right shift happens before the mask, but this variable is never used so we can just delete it. Signed-off-by: Dan Carpenter diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index a31f1ca..f37d39d 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -3005,7 +3005,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev) u32 vgt_cache_invalidation; u32 hdp_host_path_cntl, tmp; u32 disabled_rb_mask; - int i, j, num_shader_engines, ps_thread_count; + int i, j, ps_thread_count; switch (rdev->family) { case CHIP_CYPRESS: @@ -3303,8 +3303,6 @@ static void evergreen_gpu_init(struct radeon_device *rdev) rdev->config.evergreen.tile_config |= ((gb_addr_config & 0x30000000) >> 28) << 12; - num_shader_engines = (gb_addr_config & NUM_SHADER_ENGINES(3) >> 12) + 1; - if ((rdev->family >= CHIP_CEDAR) && (rdev->family <= CHIP_HEMLOCK)) { u32 efuse_straps_4; u32 efuse_straps_3;