From patchwork Sat May 10 03:59:05 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ben Widawsky X-Patchwork-Id: 4146071 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id B27E99F23C for ; Sat, 10 May 2014 04:00:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id F193D201DE for ; Sat, 10 May 2014 04:00:38 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 2E809201DC for ; Sat, 10 May 2014 04:00:38 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BE8046F076; Fri, 9 May 2014 21:00:37 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mail.bwidawsk.net (bwidawsk.net [166.78.191.112]) by gabe.freedesktop.org (Postfix) with ESMTP id C54F06F076 for ; Fri, 9 May 2014 21:00:36 -0700 (PDT) Received: by mail.bwidawsk.net (Postfix, from userid 5001) id A23BB580A6; Fri, 9 May 2014 21:00:35 -0700 (PDT) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: 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 Received: from ironside.intel.com (c-24-21-100-90.hsd1.or.comcast.net [24.21.100.90]) by mail.bwidawsk.net (Postfix) with ESMTPSA id EAF4458071; Fri, 9 May 2014 21:00:08 -0700 (PDT) From: Ben Widawsky To: Intel GFX Date: Fri, 9 May 2014 20:59:05 -0700 Message-Id: <1399694391-3935-11-git-send-email-benjamin.widawsky@intel.com> X-Mailer: git-send-email 1.9.2 In-Reply-To: <1399694391-3935-1-git-send-email-benjamin.widawsky@intel.com> References: <1399694391-3935-1-git-send-email-benjamin.widawsky@intel.com> Cc: Ben Widawsky , Ben Widawsky Subject: [Intel-gfx] [PATCH 10/56] drm/i915: s/pd/pdpe, s/pt/pde X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP The actual correct way to think about this with the new style of page table data structures is as the actual entry that is being indexed into the array. "pd", and "pt" aren't representative of what the operation is doing. The clarity here will improve the readability of future patches. Signed-off-by: Ben Widawsky --- drivers/gpu/drm/i915/i915_gem_gtt.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index d3c52b1..0869e54 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -515,40 +515,40 @@ static int gen8_ppgtt_alloc(struct i915_hw_ppgtt *ppgtt, } static int gen8_ppgtt_setup_page_directories(struct i915_hw_ppgtt *ppgtt, - const int pd) + const int pdpe) { dma_addr_t pd_addr; int ret; pd_addr = pci_map_page(ppgtt->base.dev->pdev, - &ppgtt->pd_pages[pd], 0, + &ppgtt->pd_pages[pdpe], 0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); ret = pci_dma_mapping_error(ppgtt->base.dev->pdev, pd_addr); if (ret) return ret; - ppgtt->pd_dma_addr[pd] = pd_addr; + ppgtt->pd_dma_addr[pdpe] = pd_addr; return 0; } static int gen8_ppgtt_setup_page_tables(struct i915_hw_ppgtt *ppgtt, - const int pd, - const int pt) + const int pdpe, + const int pde) { dma_addr_t pt_addr; struct page *p; int ret; - p = ppgtt->gen8_pt_pages[pd][pt]; + p = ppgtt->gen8_pt_pages[pdpe][pde]; pt_addr = pci_map_page(ppgtt->base.dev->pdev, p, 0, PAGE_SIZE, PCI_DMA_BIDIRECTIONAL); ret = pci_dma_mapping_error(ppgtt->base.dev->pdev, pt_addr); if (ret) return ret; - ppgtt->gen8_pt_dma_addr[pd][pt] = pt_addr; + ppgtt->gen8_pt_dma_addr[pdpe][pde] = pt_addr; return 0; }