Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757548AbaGAK5m (ORCPT ); Tue, 1 Jul 2014 06:57:42 -0400 Received: from adelie.canonical.com ([91.189.90.139]:60168 "EHLO adelie.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752804AbaGAK5k (ORCPT ); Tue, 1 Jul 2014 06:57:40 -0400 Subject: [PATCH v2 0/9] Updated fence patch series To: gregkh@linuxfoundation.org From: Maarten Lankhorst Cc: linux-arch@vger.kernel.org, thellstrom@vmware.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, robdclark@gmail.com, thierry.reding@gmail.com, ccross@google.com, daniel@ffwll.ch, sumit.semwal@linaro.org, linux-media@vger.kernel.org Date: Tue, 01 Jul 2014 12:57:02 +0200 Message-ID: <20140701103432.12718.82795.stgit@patser> User-Agent: StGit/0.15 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org So after some more hacking I've moved dma-buf to its own subdirectory, drivers/dma-buf and applied the fence patches to its new place. I believe that the first patch should be applied regardless, and the rest should be ready now. :-) Changes to the fence api: - release_fence -> fence_release etc. - __fence_init -> fence_init - __fence_signal -> fence_signal_locked - __fence_is_signaled -> fence_is_signaled_locked - Changing BUG_ON to WARN_ON in fence_later, and return NULL if it triggers. Android can expose fences to userspace. It's possible to make the new fence mechanism expose the same fences to userspace by changing sync_fence_create to take a struct fence instead of a struct sync_pt. No other change is needed, because only the fence parts of struct sync_pt are used. But because the userspace fences are a separate problem and I haven't really looked at it yet I feel it should stay in staging, for now. --- Maarten Lankhorst (9): dma-buf: move to drivers/dma-buf fence: dma-buf cross-device synchronization (v18) seqno-fence: Hardware dma-buf implementation of fencing (v6) dma-buf: use reservation objects android: convert sync to fence api, v6 reservation: add support for fences to enable cross-device synchronisation dma-buf: add poll support, v3 reservation: update api and add some helpers reservation: add suppport for read-only access using rcu Documentation/DocBook/device-drivers.tmpl | 8 MAINTAINERS | 4 drivers/Makefile | 1 drivers/base/Kconfig | 9 drivers/base/Makefile | 1 drivers/base/dma-buf.c | 743 -------------------- drivers/base/reservation.c | 39 - drivers/dma-buf/Makefile | 1 drivers/dma-buf/dma-buf.c | 907 ++++++++++++++++++++++++ drivers/dma-buf/fence.c | 431 +++++++++++ drivers/dma-buf/reservation.c | 477 +++++++++++++ drivers/dma-buf/seqno-fence.c | 73 ++ drivers/gpu/drm/armada/armada_gem.c | 2 drivers/gpu/drm/drm_prime.c | 8 drivers/gpu/drm/exynos/exynos_drm_dmabuf.c | 2 drivers/gpu/drm/i915/i915_gem_dmabuf.c | 3 drivers/gpu/drm/nouveau/nouveau_drm.c | 1 drivers/gpu/drm/nouveau/nouveau_gem.h | 1 drivers/gpu/drm/nouveau/nouveau_prime.c | 7 drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c | 2 drivers/gpu/drm/radeon/radeon_drv.c | 2 drivers/gpu/drm/radeon/radeon_prime.c | 8 drivers/gpu/drm/tegra/gem.c | 2 drivers/gpu/drm/ttm/ttm_object.c | 2 drivers/media/v4l2-core/videobuf2-dma-contig.c | 2 drivers/staging/android/Kconfig | 1 drivers/staging/android/Makefile | 2 drivers/staging/android/ion/ion.c | 3 drivers/staging/android/sw_sync.c | 6 drivers/staging/android/sync.c | 913 ++++++++---------------- drivers/staging/android/sync.h | 79 +- drivers/staging/android/sync_debug.c | 247 ++++++ drivers/staging/android/trace/sync.h | 12 include/drm/drmP.h | 3 include/linux/dma-buf.h | 21 - include/linux/fence.h | 360 +++++++++ include/linux/reservation.h | 82 ++ include/linux/seqno-fence.h | 116 +++ include/trace/events/fence.h | 128 +++ 39 files changed, 3258 insertions(+), 1451 deletions(-) delete mode 100644 drivers/base/dma-buf.c delete mode 100644 drivers/base/reservation.c create mode 100644 drivers/dma-buf/Makefile create mode 100644 drivers/dma-buf/dma-buf.c create mode 100644 drivers/dma-buf/fence.c create mode 100644 drivers/dma-buf/reservation.c create mode 100644 drivers/dma-buf/seqno-fence.c create mode 100644 drivers/staging/android/sync_debug.c create mode 100644 include/linux/fence.h create mode 100644 include/linux/seqno-fence.h create mode 100644 include/trace/events/fence.h -- Signature -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/