From patchwork Tue Dec 15 10:56:01 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: ankitprasad.r.sharma@intel.com X-Patchwork-Id: 7853381 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 [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 31E419F6CD for ; Tue, 15 Dec 2015 11:15:20 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 68DD32037F for ; Tue, 15 Dec 2015 11:15:19 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 9F1972035E for ; Tue, 15 Dec 2015 11:15:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 394F16E6AD; Tue, 15 Dec 2015 03:15:18 -0800 (PST) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by gabe.freedesktop.org (Postfix) with ESMTP id 7DAF26E6A9 for ; Tue, 15 Dec 2015 03:15:16 -0800 (PST) Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by orsmga103.jf.intel.com with ESMTP; 15 Dec 2015 03:15:17 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,431,1444719600"; d="scan'208";a="13461149" Received: from ankitprasad-desktop.iind.intel.com ([10.223.82.145]) by fmsmga004.fm.intel.com with ESMTP; 15 Dec 2015 03:15:14 -0800 From: ankitprasad.r.sharma@intel.com To: intel-gfx@lists.freedesktop.org Date: Tue, 15 Dec 2015 16:26:01 +0530 Message-Id: <1450176968-22110-2-git-send-email-ankitprasad.r.sharma@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1450176968-22110-1-git-send-email-ankitprasad.r.sharma@intel.com> References: <1450176968-22110-1-git-send-email-ankitprasad.r.sharma@intel.com> Cc: Ankitprasad Sharma , akash.goel@intel.com, shashidhar.hiremath@intel.com Subject: [Intel-gfx] [PATCH 1/8] drm/i915: Allow use of get_dma_address for stolen backed objects X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 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-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_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 From: Ankitprasad Sharma i915_gem_object_get_dma_address function is used to retrieve the dma address of a particular page so as to map it in a given GTT entry for CPU access. This function would be used for stolen backed objects also for tasks like pwrite, clearing of the pages etc. So the obj->get_page.sg needs to be initialized for the stolen objects also. Signed-off-by: Ankitprasad Sharma --- drivers/gpu/drm/i915/i915_gem_stolen.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c index 598ed2f..5384767 100644 --- a/drivers/gpu/drm/i915/i915_gem_stolen.c +++ b/drivers/gpu/drm/i915/i915_gem_stolen.c @@ -569,6 +569,9 @@ _i915_gem_object_create_stolen(struct drm_device *dev, if (obj->pages == NULL) goto cleanup; + obj->get_page.sg = obj->pages->sgl; + obj->get_page.last = 0; + i915_gem_object_pin_pages(obj); obj->stolen = stolen;