From patchwork Thu Jan 21 15:29:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 12036657 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9D6EEC433E0 for ; Thu, 21 Jan 2021 15:30:23 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 5477623A1C for ; Thu, 21 Jan 2021 15:30:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5477623A1C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ffwll.ch Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7528B6E904; Thu, 21 Jan 2021 15:30:11 +0000 (UTC) Received: from mail-wr1-x435.google.com (mail-wr1-x435.google.com [IPv6:2a00:1450:4864:20::435]) by gabe.freedesktop.org (Postfix) with ESMTPS id CF4406E8FC for ; Thu, 21 Jan 2021 15:30:07 +0000 (UTC) Received: by mail-wr1-x435.google.com with SMTP id d16so1476576wro.11 for ; Thu, 21 Jan 2021 07:30:07 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ffwll.ch; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=dQqaT8UYGQz8L7g0JLcTot7nUww5cRF59SXRrTnxyAY=; b=RtlRto7FIAR01mThjCaQw2DIK/138q5EvZ/Sif3qLz3BP3WCyWwoX4PV98gKZF5E2h VlejywJ625D08vpGG5M+43jKfqAtZV2Qnmk7pSfSzjskXbTQ6TmtSkZ0Nev/nb/wZd/d s3sih/8XhECB8mC5M53kHA3sZ3/NhMuxYdS8A= 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=dQqaT8UYGQz8L7g0JLcTot7nUww5cRF59SXRrTnxyAY=; b=QbpDXkEtky1rNnOuxbrfi6WRFiyk29B5rgKFMH7+pLsUALD7aWgGwQGIg84llAlyyM 5kdl7VSpc1sqMJdfEs31qYe6aXttS+/j+LzbtgEbaYxKGOEiQmEFOSUZJv0qGfKDXbPd rgopGY0MRmYRABh63CVU9oEY9y2tCRugq61MBIm27Sl0TPM0ARErQnF/yGJAzFZ3AsjW YYij8qClIZCA84Ybi0beuex4tzpQGUatfMvoQOYs7uAHZKLpD3ibLpB7qc/ftfC2X45c wMzwwrkybTPItzZnHyFUlbDgr8+Jk44CexKvef3KY3UpxV0JNZJeSIJYCyOK655G8pRl f+9Q== X-Gm-Message-State: AOAM532F/4BV169EpjzpFgHrm4uXsC7OWDyAHjVEMPpSWsuEK/c8Zgd3 oo3LXGQnc2jq8Cl/5uZmq91f6RGEEDQwcjWk X-Google-Smtp-Source: ABdhPJy56lBNijm0rnpDyCooI1W7B4dBY5qKeNx3LAjvRcXvNknnWIDNGWlspYAS82Fa2JWqZqJ7xw== X-Received: by 2002:a5d:49c1:: with SMTP id t1mr33182wrs.56.1611243006402; Thu, 21 Jan 2021 07:30:06 -0800 (PST) Received: from phenom.ffwll.local ([2a02:168:57f4:0:efd0:b9e5:5ae6:c2fa]) by smtp.gmail.com with ESMTPSA id f14sm8269866wre.69.2021.01.21.07.30.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Jan 2021 07:30:05 -0800 (PST) From: Daniel Vetter To: DRI Development Subject: [PATCH 01/11] drm/atomic-helper: Add dma-fence annotations Date: Thu, 21 Jan 2021 16:29:49 +0100 Message-Id: <20210121152959.1725404-2-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210121152959.1725404-1-daniel.vetter@ffwll.ch> References: <20210121152959.1725404-1-daniel.vetter@ffwll.ch> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-rdma@vger.kernel.org, Daniel Vetter , intel-gfx@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, Chris Wilson , linaro-mm-sig@lists.linaro.org, Daniel Vetter , =?utf-8?q?Christian_K=C3=B6nig?= , linux-media@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This is a bit disappointing since we need to split the annotations over all the different parts. I was considering just leaking the critical section into the ->atomic_commit_tail callback of each driver. But that would mean we need to pass the fence_cookie into each driver (there's a total of 13 implementations of this hook right now), so bad flag day. And also a bit leaky abstraction. Hence just do it function-by-function. Cc: linux-media@vger.kernel.org Cc: linaro-mm-sig@lists.linaro.org Cc: linux-rdma@vger.kernel.org Cc: amd-gfx@lists.freedesktop.org Cc: intel-gfx@lists.freedesktop.org Cc: Chris Wilson Cc: Maarten Lankhorst Cc: Christian König Signed-off-by: Daniel Vetter --- drivers/gpu/drm/drm_atomic_helper.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 4a66768b6057..69121d2925bd 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -1567,6 +1567,7 @@ EXPORT_SYMBOL(drm_atomic_helper_wait_for_flip_done); void drm_atomic_helper_commit_tail(struct drm_atomic_state *old_state) { struct drm_device *dev = old_state->dev; + bool fence_cookie = dma_fence_begin_signalling(); drm_atomic_helper_commit_modeset_disables(dev, old_state); @@ -1578,6 +1579,8 @@ void drm_atomic_helper_commit_tail(struct drm_atomic_state *old_state) drm_atomic_helper_commit_hw_done(old_state); + dma_fence_end_signalling(fence_cookie); + drm_atomic_helper_wait_for_vblanks(dev, old_state); drm_atomic_helper_cleanup_planes(dev, old_state); @@ -1597,6 +1600,7 @@ EXPORT_SYMBOL(drm_atomic_helper_commit_tail); void drm_atomic_helper_commit_tail_rpm(struct drm_atomic_state *old_state) { struct drm_device *dev = old_state->dev; + bool fence_cookie = dma_fence_begin_signalling(); drm_atomic_helper_commit_modeset_disables(dev, old_state); @@ -1609,6 +1613,8 @@ void drm_atomic_helper_commit_tail_rpm(struct drm_atomic_state *old_state) drm_atomic_helper_commit_hw_done(old_state); + dma_fence_end_signalling(fence_cookie); + drm_atomic_helper_wait_for_vblanks(dev, old_state); drm_atomic_helper_cleanup_planes(dev, old_state); @@ -1624,6 +1630,9 @@ static void commit_tail(struct drm_atomic_state *old_state) ktime_t start; s64 commit_time_ms; unsigned int i, new_self_refresh_mask = 0; + bool fence_cookie; + + fence_cookie = dma_fence_begin_signalling(); funcs = dev->mode_config.helper_private; @@ -1652,6 +1661,8 @@ static void commit_tail(struct drm_atomic_state *old_state) if (new_crtc_state->self_refresh_active) new_self_refresh_mask |= BIT(i); + dma_fence_end_signalling(fence_cookie); + if (funcs && funcs->atomic_commit_tail) funcs->atomic_commit_tail(old_state); else @@ -1810,6 +1821,7 @@ int drm_atomic_helper_commit(struct drm_device *dev, bool nonblock) { int ret; + bool fence_cookie; if (state->async_update) { ret = drm_atomic_helper_prepare_planes(dev, state); @@ -1832,6 +1844,8 @@ int drm_atomic_helper_commit(struct drm_device *dev, if (ret) return ret; + fence_cookie = dma_fence_begin_signalling(); + if (!nonblock) { ret = drm_atomic_helper_wait_for_fences(dev, state, true); if (ret) @@ -1869,6 +1883,7 @@ int drm_atomic_helper_commit(struct drm_device *dev, */ drm_atomic_state_get(state); + dma_fence_end_signalling(fence_cookie); if (nonblock) queue_work(system_unbound_wq, &state->commit_work); else @@ -1877,6 +1892,7 @@ int drm_atomic_helper_commit(struct drm_device *dev, return 0; err: + dma_fence_end_signalling(fence_cookie); drm_atomic_helper_cleanup_planes(dev, state); return ret; }