From patchwork Fri Jun 14 07:36:58 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunke Cao X-Patchwork-Id: 804398 Received: from mail-pf1-f182.google.com (mail-pf1-f182.google.com [209.85.210.182]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CB69713D512 for ; Fri, 14 Jun 2024 07:37:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.182 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718350630; cv=none; b=lyQVGhJ/WxUGdhu7REUJF2bdy/Cibecj+V/5Ec5nf+j6QddPm4/GkKkKcWaD7id2XlVGNo98rN8m19rWy9UttNyljcJ/izy+RfuzaPRfNRh1beXcd+cJ8+Mmi4jKqHh7jL5YAzk+ekPerSTTudXLhq5usZYqlz63+g7bK7PW6kA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718350630; c=relaxed/simple; bh=64RtKLxzkRZCgdm7Qi/Y9MfqQGWpGaob44vo8997CtY=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=jYZG1u4hDh3FYgLli5iJyxqvTDYFfCxv8n8H/m5v+j1CQb4BrRVFyhtZkzmvoUJwpfjpqZC5QipcF5x4aEn88sVqyw2bLO1fTZMV70bKUxwmr1q/e3izRQjvl40jDwJXgqkk8jqGaC5qbyZN5ZddQ6DAafsPX+Ykn8gwXzN7CXA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org; spf=pass smtp.mailfrom=chromium.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b=SG36Md/4; arc=none smtp.client-ip=209.85.210.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=chromium.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="SG36Md/4" Received: by mail-pf1-f182.google.com with SMTP id d2e1a72fcca58-70109d34a16so1683137b3a.2 for ; Fri, 14 Jun 2024 00:37:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1718350628; x=1718955428; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=xT2UDVIliFvtTuzzqbIPKCrSkDywmWkkcUUobNAyVnc=; b=SG36Md/4y3ggNhIF22VnWg7xVlxHgubXgHExWfziSXARxF4NnFeLqbuHEzQWLD2Ewi TNxvO9l6Pih59ciMN93oIJ1/z1LoLyBKkb7BCsP8nZVvzvYPwlu1Fn/f0+FiXuyQ8OUz xPiqbDrY6nYSDiqrjDCB3zDwtFG0v1sA4X7oU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1718350628; x=1718955428; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=xT2UDVIliFvtTuzzqbIPKCrSkDywmWkkcUUobNAyVnc=; b=IjvaQrh6nrObRvoxox2a0bnpzuoF1xPOE8ZjGCofd0SCbNcQ2kFIF3ywJhQMAusYfE 1wGEhvRzMV7JK4BfGVjmgyYO4RNgQ7i8rDsgsvkFLkZeNF3q3NkfaBcTiqhLgng3j6Lp WDnIbhHMnCWa/9VZST4SJ0UjRGcEbgcm6crfSCV8he9I4ekAnUAIGH5p0x07NONn5zHt Nw33sxTsttXVd1Nt0vzBl+ULPRnTv9DX0H1lHj8odqYNM8vvxuc3ubsRHgiV8XOYHbNi eIYdVrVR6uvZLngTzCeMYzdY7zwuxSs0utSj9mob61KqPdqewG+G/bB4aYtgEU4ibNN6 eJMQ== X-Gm-Message-State: AOJu0YyTxRfBs9LiX7rr32LwgT4JDwHJLFkpaVgUXK8XHppBBMUj/xDj dc8LapW4xbknU1iJz2UcYKu16GqkGyel1+/7UwM+e5jJ6OU6R46oBTdHztkzjw== X-Google-Smtp-Source: AGHT+IFcFToCevyk9g6nlXfGrx/M/e7c6DqDZ+sGH/6MZyTr/A1IcsG1wzYe+WpjYg81ZQf9+sY88Q== X-Received: by 2002:a05:6a20:9695:b0:1b5:581e:a05b with SMTP id adf61e73a8af0-1bae7eb29e7mr1994738637.23.1718350628119; Fri, 14 Jun 2024 00:37:08 -0700 (PDT) Received: from yunkec1.tok.corp.google.com ([2401:fa00:8f:203:336:17cf:71d5:5733]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-705cc922643sm2468382b3a.31.2024.06.14.00.37.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Jun 2024 00:37:07 -0700 (PDT) From: Yunke Cao To: Tomasz Figa , Marek Szyprowski , Mauro Carvalho Chehab , Hans Verkuil Cc: linux-media@vger.kernel.org, Yunke Cao Subject: [PATCH v4 0/4] media: videobuf2-core: attach once if multiple planes share the same dbuf Date: Fri, 14 Jun 2024 16:36:58 +0900 Message-ID: <20240614073702.316810-1-yunkec@chromium.org> X-Mailer: git-send-email 2.45.2.627.g7a2c4fd464-goog Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Hi, This patch set avoids attaching and mapping a dma_buf multiple times when several planes in one vb2 buffer share the same dma_buf. 1/4, 2/4 and 3/4 refactors __prepare_dmabuf() 4/4 adds a flag to avoid duplicated attaching v4: - Update patch 4/4, only set dbuf_duplicated when alloc_devs are equal. v3: - Add patch 1/4 to move clearing fields into __vb2_plane_dmabuf_put(). - Resolve review comments on v2. Detailed changelog in patch. v2: - Add patch 1/3 to refactor __prepare_dmabuf() - Add patch 2/3 to resolve Tomasz's comment on __vb2_buf_dmabuf_put()'s iteration order - Fix mem_priv in patch 3/3 - Rename duplicated_dbuf to dbuf_duplicated Yunke Cao (4): media: videobuf2-core: clear memory related fields in __vb2_plane_dmabuf_put() media: videobuf2-core: release all planes first in __prepare_dmabuf() media: videobuf2-core: reverse the iteration order in __vb2_buf_dmabuf_put media: videobuf2-core: attach once if multiple planes share the same dbuf .../media/common/videobuf2/videobuf2-core.c | 153 ++++++++++-------- include/media/videobuf2-core.h | 3 + 2 files changed, 92 insertions(+), 64 deletions(-) Acked-by: Tomasz Figa