From patchwork Sun Jul 15 00:22:46 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Airlie X-Patchwork-Id: 1198291 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by patchwork2.kernel.org (Postfix) with ESMTP id 10E8BDFFCC for ; Sun, 15 Jul 2012 00:23:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 38C069E86C for ; Sat, 14 Jul 2012 17:23:20 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by gabe.freedesktop.org (Postfix) with ESMTP id 894CE9E86C for ; Sat, 14 Jul 2012 17:23:09 -0700 (PDT) Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q6F0N8XH027195 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Sat, 14 Jul 2012 20:23:08 -0400 Received: from avernus.bne.redhat.redhat.com (vpn1-49-180.bne.redhat.com [10.64.49.180]) by int-mx01.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id q6F0N36p023705; Sat, 14 Jul 2012 20:23:06 -0400 From: Dave Airlie To: dri-devel@lists.freedesktop.org Subject: [PATCH] intel: add prime interface for getting/setting a prime bo. Date: Sun, 15 Jul 2012 10:22:46 +1000 Message-Id: <1342311766-30930-1-git-send-email-airlied@gmail.com> X-Scanned-By: MIMEDefang 2.67 on 10.5.11.11 Cc: Dave Airlie X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org Errors-To: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org This adds interfaces for the X driver to use to create a prime handle from a buffer, and create a bo from a handle. Signed-off-by: Dave Airlie --- intel/intel_bufmgr.h | 4 ++++ intel/intel_bufmgr_gem.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 50 insertions(+) diff --git a/intel/intel_bufmgr.h b/intel/intel_bufmgr.h index 9b3a483..bf9ad5c 100644 --- a/intel/intel_bufmgr.h +++ b/intel/intel_bufmgr.h @@ -192,6 +192,10 @@ void drm_intel_gem_context_destroy(drm_intel_context *ctx); int drm_intel_gem_bo_context_exec(drm_intel_bo *bo, drm_intel_context *ctx, int used, unsigned int flags); +int drm_intel_bufmgr_gem_set_bo_prime(drm_intel_bo *bo, int *prime_fd); +drm_intel_bo *drm_intel_bufmgr_gem_get_bo_prime(drm_intel_bufmgr *bufmgr, + int prime_fd, int size); + /* drm_intel_bufmgr_fake.c */ drm_intel_bufmgr *drm_intel_bufmgr_fake_init(int fd, unsigned long low_offset, diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c index 12a3197..dfba4e4 100644 --- a/intel/intel_bufmgr_gem.c +++ b/intel/intel_bufmgr_gem.c @@ -2413,6 +2413,52 @@ drm_intel_gem_bo_get_tiling(drm_intel_bo *bo, uint32_t * tiling_mode, return 0; } +drm_intel_bo * +drm_intel_bufmgr_gem_get_bo_prime(drm_intel_bufmgr *bufmgr, int prime_fd, int size) +{ + drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bufmgr; + int ret; + uint32_t handle; + drm_intel_bo_gem *bo_gem; + ret = drmPrimeFDToHandle(bufmgr_gem->fd, prime_fd, &handle); + if (ret) { + fprintf(stderr,"ret is %d %d\n", ret, errno); + return NULL; + } + + bo_gem = calloc(1, sizeof(*bo_gem)); + if (!bo_gem) + return NULL; + + bo_gem->bo.size = size; + bo_gem->name = "prime"; + atomic_set(&bo_gem->refcount, 1); + bo_gem->validate_index = -1; + bo_gem->reloc_tree_fences = 0; + bo_gem->used_as_reloc_target = false; + bo_gem->has_error = false; + bo_gem->reusable = false; + + bo_gem->bo.handle = handle; + bo_gem->bo.bufmgr = bufmgr; + + DRMINITLISTHEAD(&bo_gem->name_list); + DRMINITLISTHEAD(&bo_gem->vma_list); + + bo_gem->gem_handle = handle; + + return &bo_gem->bo; +} + +int +drm_intel_bufmgr_gem_set_bo_prime(drm_intel_bo *bo, int *prime_fd) +{ + drm_intel_bufmgr_gem *bufmgr_gem = (drm_intel_bufmgr_gem *) bo->bufmgr; + drm_intel_bo_gem *bo_gem = (drm_intel_bo_gem *) bo; + + return drmPrimeHandleToFD(bufmgr_gem->fd, bo_gem->gem_handle, DRM_CLOEXEC, prime_fd); +} + static int drm_intel_gem_bo_flink(drm_intel_bo *bo, uint32_t * name) {