From patchwork Tue Mar 22 13:51:57 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chris Wilson X-Patchwork-Id: 652661 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by demeter1.kernel.org (8.14.4/8.14.3) with ESMTP id p2MDsFLp006447 for ; Tue, 22 Mar 2011 13:54:35 GMT Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 990299E958 for ; Tue, 22 Mar 2011 06:54:15 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from fireflyinternet.com (server109-228-6-236.live-servers.net [109.228.6.236]) by gabe.freedesktop.org (Postfix) with ESMTP id 605EB9E94B for ; Tue, 22 Mar 2011 06:52:10 -0700 (PDT) X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.66.37; Received: from arrandale.alporthouse.com (unverified [78.156.66.37]) by fireflyinternet.com (Firefly Internet SMTP) with ESMTP id 29827561-1500050 for multiple; Tue, 22 Mar 2011 13:54:55 +0000 From: Chris Wilson To: intel-gfx@lists.freedesktop.org Date: Tue, 22 Mar 2011 13:51:57 +0000 Message-Id: <1300801920-23130-13-git-send-email-chris@chris-wilson.co.uk> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1300801920-23130-1-git-send-email-chris@chris-wilson.co.uk> References: <1300801920-23130-1-git-send-email-chris@chris-wilson.co.uk> X-Originating-IP: 78.156.66.37 Subject: [Intel-gfx] [PATCH 12/15] drm/i915: s/addr & ~PAGE_MASK/offset_in_page(addr)/ X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.11 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Tue, 22 Mar 2011 13:54:35 +0000 (UTC) diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index afb5aaf..37a8a29 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -404,7 +404,7 @@ i915_gem_shmem_pread_fast(struct drm_device *dev, * page_offset = offset within page * page_length = bytes to copy for this page */ - page_offset = offset & (PAGE_SIZE-1); + page_offset = offset_in_page(offset); page_length = remain; if ((page_offset + remain) > PAGE_SIZE) page_length = PAGE_SIZE - page_offset; @@ -493,9 +493,9 @@ i915_gem_shmem_pread_slow(struct drm_device *dev, * data_page_offset = offset with data_page_index page. * page_length = bytes to copy for this page */ - shmem_page_offset = offset & ~PAGE_MASK; + shmem_page_offset = offset_in_page(offset); data_page_index = data_ptr / PAGE_SIZE - first_data_page; - data_page_offset = data_ptr & ~PAGE_MASK; + data_page_offset = offset_in_page(data_ptr); page_length = remain; if ((shmem_page_offset + page_length) > PAGE_SIZE) @@ -678,8 +678,8 @@ i915_gem_gtt_pwrite_fast(struct drm_device *dev, * page_offset = offset within page * page_length = bytes to copy for this page */ - page_base = (offset & ~(PAGE_SIZE-1)); - page_offset = offset & (PAGE_SIZE-1); + page_base = offset & PAGE_MASK; + page_offset = offset_in_page(offset); page_length = remain; if ((page_offset + remain) > PAGE_SIZE) page_length = PAGE_SIZE - page_offset; @@ -690,7 +690,6 @@ i915_gem_gtt_pwrite_fast(struct drm_device *dev, */ if (fast_user_write(dev_priv->mm.gtt_mapping, page_base, page_offset, user_data, page_length)) - return -EFAULT; remain -= page_length; @@ -759,9 +758,9 @@ i915_gem_gtt_pwrite_slow(struct drm_device *dev, * page_length = bytes to copy for this page */ gtt_page_base = offset & PAGE_MASK; - gtt_page_offset = offset & ~PAGE_MASK; + gtt_page_offset = offset_in_page(offset); data_page_index = data_ptr / PAGE_SIZE - first_data_page; - data_page_offset = data_ptr & ~PAGE_MASK; + data_page_offset = offset_in_page(data_ptr); page_length = remain; if ((gtt_page_offset + page_length) > PAGE_SIZE) @@ -820,7 +819,7 @@ i915_gem_shmem_pwrite_fast(struct drm_device *dev, * page_offset = offset within page * page_length = bytes to copy for this page */ - page_offset = offset & (PAGE_SIZE-1); + page_offset = offset_in_page(offset); page_length = remain; if ((page_offset + remain) > PAGE_SIZE) page_length = PAGE_SIZE - page_offset; @@ -914,9 +913,9 @@ i915_gem_shmem_pwrite_slow(struct drm_device *dev, * data_page_offset = offset with data_page_index page. * page_length = bytes to copy for this page */ - shmem_page_offset = offset & ~PAGE_MASK; + shmem_page_offset = offset_in_page(offset); data_page_index = data_ptr / PAGE_SIZE - first_data_page; - data_page_offset = data_ptr & ~PAGE_MASK; + data_page_offset = offset_in_page(data_ptr); page_length = remain; if ((shmem_page_offset + page_length) > PAGE_SIZE)