From patchwork Tue Jul 26 20:47:11 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Anholt X-Patchwork-Id: 9248935 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B2F43607D8 for ; Tue, 26 Jul 2016 20:47:48 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A216D26B41 for ; Tue, 26 Jul 2016 20:47:48 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9492A271FD; Tue, 26 Jul 2016 20:47:48 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3EEE626222 for ; Tue, 26 Jul 2016 20:47:48 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 324726E582; Tue, 26 Jul 2016 20:47:27 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from anholt.net (anholt.net [50.246.234.109]) by gabe.freedesktop.org (Postfix) with ESMTP id D73F26E52E for ; Tue, 26 Jul 2016 20:47:21 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by anholt.net (Postfix) with ESMTP id 8386F2C9C06E; Tue, 26 Jul 2016 13:47:21 -0700 (PDT) X-Virus-Scanned: Debian amavisd-new at anholt.net Received: from anholt.net ([127.0.0.1]) by localhost (kingsolver.anholt.net [127.0.0.1]) (amavisd-new, port 10024) with LMTP id sbJNNw79tSkk; Tue, 26 Jul 2016 13:47:18 -0700 (PDT) Received: from eliezer.anholt.net (localhost [127.0.0.1]) by anholt.net (Postfix) with ESMTP id 1C8102C9C072; Tue, 26 Jul 2016 13:47:16 -0700 (PDT) Received: by eliezer.anholt.net (Postfix, from userid 1000) id AC577F007BF; Tue, 26 Jul 2016 13:47:15 -0700 (PDT) From: Eric Anholt To: dri-devel@lists.freedesktop.org Subject: [PATCH 2/6] drm/vc4: Use drm_malloc_ab to fix large rendering jobs. Date: Tue, 26 Jul 2016 13:47:11 -0700 Message-Id: <1469566035-22006-3-git-send-email-eric@anholt.net> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1469566035-22006-1-git-send-email-eric@anholt.net> References: <1469566035-22006-1-git-send-email-eric@anholt.net> Cc: linux-kernel@vger.kernel.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: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP If you exceeded the size that kmalloc would return, you'd get a dmesg warning and an error from the job submit. We can handle much larger allocations with vmalloc, and drm_malloc_ab makes that decision. Fixes failure in piglit's scissor-many. Signed-off-by: Eric Anholt --- drivers/gpu/drm/vc4/vc4_gem.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/vc4/vc4_gem.c b/drivers/gpu/drm/vc4/vc4_gem.c index f9b13b54c86b..fb2b1c526646 100644 --- a/drivers/gpu/drm/vc4/vc4_gem.c +++ b/drivers/gpu/drm/vc4/vc4_gem.c @@ -536,8 +536,8 @@ vc4_cl_lookup_bos(struct drm_device *dev, return -EINVAL; } - exec->bo = kcalloc(exec->bo_count, sizeof(struct drm_gem_cma_object *), - GFP_KERNEL); + exec->bo = drm_calloc_large(exec->bo_count, + sizeof(struct drm_gem_cma_object *)); if (!exec->bo) { DRM_ERROR("Failed to allocate validated BO pointers\n"); return -ENOMEM; @@ -610,7 +610,7 @@ vc4_get_bcl(struct drm_device *dev, struct vc4_exec_info *exec) * read the contents back for validation, and I think the * bo->vaddr is uncached access. */ - temp = kmalloc(temp_size, GFP_KERNEL); + temp = drm_malloc_ab(temp_size, 1); if (!temp) { DRM_ERROR("Failed to allocate storage for copying " "in bin/render CLs.\n"); @@ -677,7 +677,7 @@ vc4_get_bcl(struct drm_device *dev, struct vc4_exec_info *exec) ret = vc4_validate_shader_recs(dev, exec); fail: - kfree(temp); + drm_free_large(temp); return ret; } @@ -692,7 +692,7 @@ vc4_complete_exec(struct drm_device *dev, struct vc4_exec_info *exec) if (exec->bo) { for (i = 0; i < exec->bo_count; i++) drm_gem_object_unreference(&exec->bo[i]->base); - kfree(exec->bo); + drm_free_large(exec->bo); } while (!list_empty(&exec->unref_list)) {