From patchwork Fri May 6 19:08:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Ruhl, Michael J" X-Patchwork-Id: 12841538 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 68526C433EF for ; Fri, 6 May 2022 19:09:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id DCDC910E1D1; Fri, 6 May 2022 19:09:16 +0000 (UTC) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0B1F310E1D1 for ; Fri, 6 May 2022 19:09:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1651864156; x=1683400156; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=0JsMi73MMytiom/DFhnzD32R9w2A1ssHqX8+/bTeU18=; b=m1avJZSuxqTTvz2xlfJrSZRbvhNTKeLOe0N11h6Bue5BI82SgoyrNsjg 9oTpmuwKOQ0yAXJjJRzX/FVx3UCgVkKxSZszPavgOEXtp4cbQAG9uwwZk tydbF0j4J7++HpMa+99wN+smOUPZYwFvMdhFBHaw3LQ5Td6qjPUiYyLJt e74Hx+FZTearYB35WeLlV/IkZS6gbUC/rZZt2LTkjg4eHyXmFXl9hjEkm MH8bicRgv2Bl/37tjaXyeADBE8vbhP0bN2rCRsQ2Ep91WZwalOeeyhdAx nEhJz/Ue8zHGh3mIvM4oHlRNsZchDCxuW6LRlNbi9cFSpi9RKLQeuWDoa A==; X-IronPort-AV: E=McAfee;i="6400,9594,10339"; a="331543157" X-IronPort-AV: E=Sophos;i="5.91,205,1647327600"; d="scan'208";a="331543157" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 May 2022 12:09:15 -0700 X-IronPort-AV: E=Sophos;i="5.91,205,1647327600"; d="scan'208";a="654825090" Received: from awvttdev-05.aw.intel.com ([10.228.212.156]) by fmsmga003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 May 2022 12:09:15 -0700 From: "Michael J. Ruhl" To: intel-gfx@lists.freedesktop.org, airlied@linux.ie, daniel@ffwll.ch Date: Fri, 6 May 2022 15:08:47 -0400 Message-Id: <20220506190847.480320-3-michael.j.ruhl@intel.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220506190847.480320-1-michael.j.ruhl@intel.com> References: <20220506190847.480320-1-michael.j.ruhl@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 2/2] drm/i915/dmabuf: Use scatterlist for_each_sg API X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lucas.demarchi@intel.com Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Update open coded for loop to use the standard scatterlist for_each_sg API. Cc: Tvrtko Ursulin Signed-off-by: Michael J. Ruhl --- drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c index 5f327eac26e6..3006e60e2d51 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c @@ -47,12 +47,10 @@ static struct sg_table *i915_gem_map_dma_buf(struct dma_buf_attachment *attach, if (ret) goto err_free; - src = obj->mm.pages->sgl; dst = sgt->sgl; - for (i = 0; i < obj->mm.pages->nents; i++) { + for_each_sg(obj->mm.pages->sgl, src, obj->mm.pages->nents, i) { sg_set_page(dst, sg_page(src), src->length, 0); dst = sg_next(dst); - src = sg_next(src); } ret = dma_map_sgtable(attach->dev, sgt, dir, DMA_ATTR_SKIP_CPU_SYNC);