Received: by 2002:a05:6a10:eb17:0:0:0:0 with SMTP id hx23csp715357pxb; Fri, 3 Sep 2021 11:45:03 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxgW367QzEZJtAl3zok51LXNwdNOYgyGc5iwLTCkw/s4PJUfy2JMY5yJ7tOdwEagqxCzRco X-Received: by 2002:a92:d6c7:: with SMTP id z7mr265824ilp.4.1630694703187; Fri, 03 Sep 2021 11:45:03 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1630694703; cv=none; d=google.com; s=arc-20160816; b=DJl0lsURFm89L3KcG8H06qwfeNhyW4Wtnpqn14FU+vAiXxXdgTOOpmZsq30pz2M/i+ SWVaWQ1sNkARVFgvcXKqc10jdhMnGwoC10Q8FJ62z7UY9u4apaUTucPLx56DSsFwfvHF fHJBKTkkEmgjMoXR2H7ASPVs1ecMrPznbk16+0ZXTOjPirJcttV+cQSrHhZK2hh4WO4T R5wz63qvRqaJEUuWwZQaO3nTI2I3J1kZgQWwerQtwYhT2hb1OeQ84PWv7rdDatmUBEKn B64s9Zf7fHG8YsMLJfkroI/V0iuQ2liYAetAblnNfUodTiVaDXrhoM2L78Cwq6+VlYpR uZAA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=eL8IPpLjz+u+tW0DpBHxfXxNC5xBjc+5MpXdFfRQCQg=; b=N0x+8Do59XG3pMChCO9BusAifebARDKW9DySa98bzyziosudvsAi3TlHAXXwVPepxu kpt1oRKAAub9HP/rfr/LhgMsh4OM5VYeufKWTOBLaiSJxZAcr5veraD/pZbxk6LkYB52 bb0U1JSlN1126szXA7hxjObIlN4UQdujSeesj36UHuKNNT75HFpNxA4A9Fmum+o14mgh rKG+MWETlWRjHCvXlZpKXadEcr13VbV1hS8qcyLZi/gAbJxXcLwa7Lq+lGAj1McdZGwL rHYfH8MIrojEfCpbNkknijzGLMGOe1h9kWkSlUjSUGMWnJC2EdHIwUqf6YOHE3AbCHfy ug7A== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=YHyxlRJ9; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id o38si191431jac.39.2021.09.03.11.44.51; Fri, 03 Sep 2021 11:45:03 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20210112 header.b=YHyxlRJ9; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349813AbhICSpB (ORCPT + 99 others); Fri, 3 Sep 2021 14:45:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41246 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349459AbhICSpA (ORCPT ); Fri, 3 Sep 2021 14:45:00 -0400 Received: from mail-pj1-x102f.google.com (mail-pj1-x102f.google.com [IPv6:2607:f8b0:4864:20::102f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB1F5C061575; Fri, 3 Sep 2021 11:43:59 -0700 (PDT) Received: by mail-pj1-x102f.google.com with SMTP id z24-20020a17090acb1800b0018e87a24300so202405pjt.0; Fri, 03 Sep 2021 11:43:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=eL8IPpLjz+u+tW0DpBHxfXxNC5xBjc+5MpXdFfRQCQg=; b=YHyxlRJ9KHFtVLZv4e7UMFACH3/qLmF3MpF0+yavqfvhZZzDGyVeTR/t+WlFdbFLVC 3QW7jEOI/CDuyeA3esWyXvJP6wbd9ZCujymOIbf/XF6gMnCuurkKmftPGnQoo/QdkdBw 7+jKNY0tho3FGFB1N1pvtoSkAJnpCv4TdiNI+uqGHfR1RlNG4kdAfKwYC8B0dViOyCl2 Ar/dPOHZSWhYrhZuCBShrTNNBOchp926sNID6dKZnFdeLBMYyuwqmrSKkIhgnGTGphJg yg2RpyiUoBKInxJyG92yOLpfpuGT8W7LsV13uy83CL2eRKttBllW6DN3dbbLA3gw5XV0 D7UA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=eL8IPpLjz+u+tW0DpBHxfXxNC5xBjc+5MpXdFfRQCQg=; b=i3rZrGZY3i6eKzdPOjNyEIlTzDdiVaE35Dmfsn2rPqvaK9+YgrWunalzLEbhZ6vxCZ fm/gy87PmxFnFyDVN9a5GSR5T50Nf53bvEIao6u/rFuVx6cDLGued2hUcMzxtTQ4V0Pq 7IbRwf+6GOZXj6Z6yyA9jlg6Wy0RdsX0X5dD+mFBrg6BogIKcyJTzkBfArnuGlhSiQJA KtKLdgNNm2UoRmiTU/5QqgaEYTQ6G65s4MMY7UPL25E/L+R91wd3AXZh/ex9fQ09v/IB 9ZfksupiPwTxBFjSkSrFhZhgiaZqZR7r0bk+XPpOcDPyhAp/eZZqR/GkUwHlHOhyhuKQ 5XMA== X-Gm-Message-State: AOAM531HNCjzflh4pafJDu1KEiABVvdiU1NhKi53YoANZiG6StRHisej 6iAzQbrpixP6OrdL6/YP5JE= X-Received: by 2002:a17:90a:49cb:: with SMTP id l11mr359711pjm.142.1630694639358; Fri, 03 Sep 2021 11:43:59 -0700 (PDT) Received: from localhost (c-73-25-156-94.hsd1.or.comcast.net. [73.25.156.94]) by smtp.gmail.com with ESMTPSA id y64sm107777pgy.32.2021.09.03.11.43.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Sep 2021 11:43:58 -0700 (PDT) From: Rob Clark To: dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org Cc: Daniel Vetter , =?UTF-8?q?Christian=20K=C3=B6nig?= , =?UTF-8?q?Michel=20D=C3=A4nzer?= , Pekka Paalanen , Rob Clark , Alex Deucher , Andrey Grodzovsky , Boris Brezillon , =?UTF-8?q?Christian=20K=C3=B6nig?= , Daniel Vetter , freedreno@lists.freedesktop.org (open list:DRM DRIVER FOR MSM ADRENO GPU), Gustavo Padovan , Jack Zhang , linux-arm-msm@vger.kernel.org (open list:DRM DRIVER FOR MSM ADRENO GPU), linux-kernel@vger.kernel.org (open list), linux-media@vger.kernel.org (open list:DMA BUFFER SHARING FRAMEWORK), Luben Tuikov , Melissa Wen , Steven Price , Tian Tao Subject: [PATCH v3 0/9] dma-fence: Deadline awareness Date: Fri, 3 Sep 2021 11:47:51 -0700 Message-Id: <20210903184806.1680887-1-robdclark@gmail.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Rob Clark This series adds deadline awareness to fences, so realtime deadlines such as vblank can be communicated to the fence signaller for power/ frequency management decisions. This is partially inspired by a trick i915 does, but implemented via dma-fence for a couple of reasons: 1) To continue to be able to use the atomic helpers 2) To support cases where display and gpu are different drivers This iteration adds a dma-fence ioctl to set a deadline (both to support igt-tests, and compositors which delay decisions about which client buffer to display), and a sw_sync ioctl to read back the deadline. IGT tests utilizing these can be found at: https://gitlab.freedesktop.org/robclark/igt-gpu-tools/-/commits/fence-deadline v1: https://patchwork.freedesktop.org/series/93035/ v2: Move filtering out of later deadlines to fence implementation to avoid increasing the size of dma_fence v3: Add support in fence-array and fence-chain; Add some uabi to support igt tests and userspace compositors. Rob Clark (9): dma-fence: Add deadline awareness drm/vblank: Add helper to get next vblank time drm/atomic-helper: Set fence deadline for vblank drm/scheduler: Add fence deadline support drm/msm: Add deadline based boost support dma-buf/fence-array: Add fence deadline support dma-buf/fence-chain: Add fence deadline support dma-buf/sync_file: Add SET_DEADLINE ioctl dma-buf/sw_sync: Add fence deadline support drivers/dma-buf/dma-fence-array.c | 11 ++++ drivers/dma-buf/dma-fence-chain.c | 13 +++++ drivers/dma-buf/dma-fence.c | 20 +++++++ drivers/dma-buf/sw_sync.c | 58 +++++++++++++++++++ drivers/dma-buf/sync_debug.h | 2 + drivers/dma-buf/sync_file.c | 19 +++++++ drivers/gpu/drm/drm_atomic_helper.c | 36 ++++++++++++ drivers/gpu/drm/drm_vblank.c | 32 +++++++++++ drivers/gpu/drm/msm/msm_fence.c | 76 +++++++++++++++++++++++++ drivers/gpu/drm/msm/msm_fence.h | 20 +++++++ drivers/gpu/drm/msm/msm_gpu.h | 1 + drivers/gpu/drm/msm/msm_gpu_devfreq.c | 20 +++++++ drivers/gpu/drm/scheduler/sched_fence.c | 34 +++++++++++ drivers/gpu/drm/scheduler/sched_main.c | 2 +- include/drm/drm_vblank.h | 1 + include/drm/gpu_scheduler.h | 8 +++ include/linux/dma-fence.h | 16 ++++++ include/uapi/linux/sync_file.h | 20 +++++++ 18 files changed, 388 insertions(+), 1 deletion(-) -- 2.31.1