From patchwork Tue Mar 2 00:46:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sergey Senozhatsky X-Patchwork-Id: 390670 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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 6A6F5C433E0 for ; Tue, 2 Mar 2021 17:32:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1D42764F2D for ; Tue, 2 Mar 2021 17:32:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1574070AbhCBR30 (ORCPT ); Tue, 2 Mar 2021 12:29:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59414 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1377617AbhCBAsC (ORCPT ); Mon, 1 Mar 2021 19:48:02 -0500 Received: from mail-pl1-x62b.google.com (mail-pl1-x62b.google.com [IPv6:2607:f8b0:4864:20::62b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1EF83C0617A9 for ; Mon, 1 Mar 2021 16:46:53 -0800 (PST) Received: by mail-pl1-x62b.google.com with SMTP id p5so11004587plo.4 for ; Mon, 01 Mar 2021 16:46:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=tPtwr2neP+OiOmpPux1oreakjuSKI9yoO0qXcal+M7U=; b=oJYLXEKlpHuykh16FGJ0isIxqEQ9faa+G2FRhv2+ZPgz6zjbLZkJSOicl5fi+6UybM b7XOEZLtzzQtmUKXgkAR4CBj2D78lE/rBky2CjF4vYolXZfipdZF10VYWMjvy93myFpv JUTo+kXZcF0gpoyNdnsC9YAvl2qTFj1hWs0L8= 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=tPtwr2neP+OiOmpPux1oreakjuSKI9yoO0qXcal+M7U=; b=c5BraxVg41DjMQi/EmGslKN7Zi1fM2hM4XVwfxdp6TZnYFW1G2OKTlx/RybOVHL0jE cfRBAVpqdqcAt6AFxbtPyb/PG9zoQaBZ4n16C8WJgKIMgDUWjFPMaakWvmhiMIMcsjFU FmDu5Kif1Ncq8el9hOT8Wx0xtuiwsWZbz4hKwgZu7wgYCJ1tVsWnGzQDUg7kyU8bfrbY 7H8MJx5D9sE0DuDB5+AjapycYC+7E2kuKsmORphZP5WfNeoMK/wy0hQPQ1Q3PrQgXdI+ R9eTkPgGdrCx48KX0VbfREPnGe3va+RzowPwCeqlAsELZ2I49SEwofOHjPA1rphZuFws 6hlw== X-Gm-Message-State: AOAM530nwBJS6tq56SBs5JVNRHUo0vJNqyS9wIC8vjV660aIO50P3VG2 ODmjHXaW6qS0QNcVDRTI0TzYf9DFPyB3SQ== X-Google-Smtp-Source: ABdhPJxIHKHMMlq80AT0vJXpomE75BBtsQSI88IG5KPGZAZMZIWmmG499WrhipNQtsiwGRRoZR+MYQ== X-Received: by 2002:a17:90b:253:: with SMTP id fz19mr1575692pjb.160.1614646012219; Mon, 01 Mar 2021 16:46:52 -0800 (PST) Received: from senozhatsky.flets-east.jp ([2409:10:2e40:5100:d5d7:1a61:2cdf:273c]) by smtp.gmail.com with ESMTPSA id b14sm678881pji.14.2021.03.01.16.46.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 01 Mar 2021 16:46:51 -0800 (PST) From: Sergey Senozhatsky To: Tomasz Figa , Hans Verkuil Cc: Christoph Hellwig , Mauro Carvalho Chehab , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Sergey Senozhatsky Subject: [PATCH 4/8] videobuf2: move cache_hints handling to allocators Date: Tue, 2 Mar 2021 09:46:20 +0900 Message-Id: <20210302004624.31294-5-senozhatsky@chromium.org> X-Mailer: git-send-email 2.30.1.766.gb4fecdf3b7-goog In-Reply-To: <20210302004624.31294-1-senozhatsky@chromium.org> References: <20210302004624.31294-1-senozhatsky@chromium.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org This moves cache hints handling from videobuf2 core down to allocators level, because allocators do the sync/flush caches eventually and may take better decisions. Besides, allocators already decide whether cache sync/flush should be done or can be skipped. This patch moves the scattered buffer cache sync logic to one common place. Signed-off-by: Sergey Senozhatsky --- drivers/media/common/videobuf2/videobuf2-core.c | 6 ------ drivers/media/common/videobuf2/videobuf2-dma-contig.c | 6 ++++++ drivers/media/common/videobuf2/videobuf2-dma-sg.c | 6 ++++++ 3 files changed, 12 insertions(+), 6 deletions(-) diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c index 76210c006958..55af63d54f23 100644 --- a/drivers/media/common/videobuf2/videobuf2-core.c +++ b/drivers/media/common/videobuf2/videobuf2-core.c @@ -328,9 +328,6 @@ static void __vb2_buf_mem_prepare(struct vb2_buffer *vb) return; vb->synced = 1; - if (vb->skip_cache_sync_on_prepare) - return; - for (plane = 0; plane < vb->num_planes; ++plane) call_void_memop(vb, prepare, vb->planes[plane].mem_priv); } @@ -347,9 +344,6 @@ static void __vb2_buf_mem_finish(struct vb2_buffer *vb) return; vb->synced = 0; - if (vb->skip_cache_sync_on_finish) - return; - for (plane = 0; plane < vb->num_planes; ++plane) call_void_memop(vb, finish, vb->planes[plane].mem_priv); } diff --git a/drivers/media/common/videobuf2/videobuf2-dma-contig.c b/drivers/media/common/videobuf2/videobuf2-dma-contig.c index 019c3843dc6d..1e218bc440c6 100644 --- a/drivers/media/common/videobuf2/videobuf2-dma-contig.c +++ b/drivers/media/common/videobuf2/videobuf2-dma-contig.c @@ -101,6 +101,9 @@ static void vb2_dc_prepare(void *buf_priv) struct vb2_dc_buf *buf = buf_priv; struct sg_table *sgt = buf->dma_sgt; + if (buf->vb->skip_cache_sync_on_prepare) + return; + if (!sgt) return; @@ -112,6 +115,9 @@ static void vb2_dc_finish(void *buf_priv) struct vb2_dc_buf *buf = buf_priv; struct sg_table *sgt = buf->dma_sgt; + if (buf->vb->skip_cache_sync_on_finish) + return; + if (!sgt) return; diff --git a/drivers/media/common/videobuf2/videobuf2-dma-sg.c b/drivers/media/common/videobuf2/videobuf2-dma-sg.c index 71094cb5c5d7..cb587c5a345b 100644 --- a/drivers/media/common/videobuf2/videobuf2-dma-sg.c +++ b/drivers/media/common/videobuf2/videobuf2-dma-sg.c @@ -204,6 +204,9 @@ static void vb2_dma_sg_prepare(void *buf_priv) struct vb2_dma_sg_buf *buf = buf_priv; struct sg_table *sgt = buf->dma_sgt; + if (buf->vb->skip_cache_sync_on_prepare) + return; + dma_sync_sgtable_for_device(buf->dev, sgt, buf->dma_dir); } @@ -212,6 +215,9 @@ static void vb2_dma_sg_finish(void *buf_priv) struct vb2_dma_sg_buf *buf = buf_priv; struct sg_table *sgt = buf->dma_sgt; + if (buf->vb->skip_cache_sync_on_finish) + return; + dma_sync_sgtable_for_cpu(buf->dev, sgt, buf->dma_dir); }