From patchwork Wed Mar 26 14:39:03 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rob Clark X-Patchwork-Id: 14030153 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 59C30C36008 for ; Wed, 26 Mar 2025 14:39:13 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B28C710E6D9; Wed, 26 Mar 2025 14:39:12 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="IgAfrfLc"; dkim-atps=neutral Received: from mail-pl1-f178.google.com (mail-pl1-f178.google.com [209.85.214.178]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2937F10E6D9 for ; Wed, 26 Mar 2025 14:39:08 +0000 (UTC) Received: by mail-pl1-f178.google.com with SMTP id d9443c01a7336-22548a28d0cso158077855ad.3 for ; Wed, 26 Mar 2025 07:39:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1742999947; x=1743604747; darn=lists.freedesktop.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=Y6eqkhZ1Vwmt9gRQ04JNUAxBEvP0I4y2gPx1o8AAFWU=; b=IgAfrfLc2r06xYZk0P+L+JEe0MAm9n2od/kHAfdVzQiCHi+QM1L5VB9pUAmFAkEMFT /yC4og+Z3ZWc0IAhB39rDO7S3Jo0ttdAlwxlu2RUO5BdoFr9yWFLXJryD+02zpLum2Qo vELk47j0AX7telib0C2HEg6yfko6mtJsppdEMsK9rex8JGgO5njA4HwNKDjjDcjLb+45 FJMAwDprz4gPpqukZmooDWxPTYmmi//EfmrHXzkfIC1l/qt4e8IBtQES7k+n+fG/TeKa aOXTCWCKVjuaC1YRJVwmeMPZgO9bR9LxZRoQpbysJQ+MN6vYvklcqGYj09dHOPvzsNnA MgNw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1742999947; x=1743604747; 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=Y6eqkhZ1Vwmt9gRQ04JNUAxBEvP0I4y2gPx1o8AAFWU=; b=A4QmeorBNQms2X6adqavyjfssc1tjiFyq/pEXtBHmxQ5tk/65oHDwLAKmO/9i74nGi t3hRcp2g61SqUTauiq/J3rpCE3njtk0uMT1igOAk0te4R6ZPM8L4xDAJn+w++7BN9JP8 XFqAwFM++Z0ktCUTa7pU/fkPnPOZVYWv7FEW7g6iO3q4l20fgaxrqpra/04O0NrMaRs9 1NGjn9sZk6GsJ8jZ/iALzv7gYLz8oJrACu6qrP/DtFuPbYFs41/g3vPGUedQPnWwH0eq JI4GzvlAvhA+ClxHSCR6pXkWEpnCnIiDx+9EpZJft7s2hu70em72tvPDQrlsAXMGZ6CT ss8A== X-Gm-Message-State: AOJu0Yzj3aQJvHt1mcSlEnElTpNehVeYgvZSzSv+nHAQg7cFNsWrKAOs rgEz64XD5GqC8+6bfQ0cVksD9J0HHPBnl/bCzwZH2NYJG5By3XUVdB9oeA== X-Gm-Gg: ASbGncvlt1WMQ+WTj+pCbE/Kj9Cyg1q0YdSFdEN3uGMKszay2x0lvVYuo3XA6qzv41n A20SspmwvqZHrdQXvLLpKbChGGtnPP4PBFyPcDXQpEvCnubgvSSn4Qjipc6KYZLvlr6h/fgrjuS 3rGujGRmydA7gL9iwkJLIoe8j0sSakdh4qq84mDb5rX++bfYRvkUq0ZwBtzxByOLl5Wqouah8X5 SK5tkTXxkYPSPS0xKUtuMnQP7xmrBd0ZwmWIpQvdgo7r2G/Qrc6Y9g+h1FFyBKyVQHvfb5xph42 L5IvjmCkI/I8rrmB1NFK88Zm8/jogRyOZQ4JXKzDVxE5wGF8EwzyBjB2FbNYeKC1ze2iLgAB4LA 4Zx7quvyrmkWTDuDqh1s= X-Google-Smtp-Source: AGHT+IEBdj4C54pk495ep9DblHTWWweUHbck96M9LKkZuKckCu/4LFHmW8yUHZCPndAEkbi38ZOc+w== X-Received: by 2002:a17:902:db01:b0:223:5c33:56b4 with SMTP id d9443c01a7336-22780d77ee1mr278798465ad.20.1742999947013; Wed, 26 Mar 2025 07:39:07 -0700 (PDT) Received: from localhost ([2a00:79e0:3e00:2601:3afc:446b:f0df:eadc]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-af8a2846270sm11011904a12.36.2025.03.26.07.39.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Mar 2025 07:39:06 -0700 (PDT) From: Rob Clark To: dri-devel@lists.freedesktop.org Cc: Dmitry Osipenko , Rob Clark , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Sumit Semwal , =?utf-8?q?Christian_K=C3=B6nig?= , linux-kernel@vger.kernel.org (open list), linux-media@vger.kernel.org (open list:DMA BUFFER SHARING FRAMEWORK:Keyword:\bdma_(?:buf|fence|resv)\b), linaro-mm-sig@lists.linaro.org (moderated list:DMA BUFFER SHARING FRAMEWORK:Keyword:\bdma_(?:buf|fence|resv)\b) Subject: [PATCH] drm/syncobj: Extend EXPORT_SYNC_FILE for timeline syncobjs Date: Wed, 26 Mar 2025 07:39:03 -0700 Message-ID: <20250326143903.24380-1-robdclark@gmail.com> X-Mailer: git-send-email 2.49.0 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: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Rob Clark Add support for exporting a dma_fence fd for a specific point on a timeline. Signed-off-by: Rob Clark --- drivers/gpu/drm/drm_syncobj.c | 8 ++++++-- include/uapi/drm/drm.h | 2 ++ 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c index 4f2ab8a7b50f..eb7a2dd2e261 100644 --- a/drivers/gpu/drm/drm_syncobj.c +++ b/drivers/gpu/drm/drm_syncobj.c @@ -762,7 +762,7 @@ static int drm_syncobj_import_sync_file_fence(struct drm_file *file_private, } static int drm_syncobj_export_sync_file(struct drm_file *file_private, - int handle, int *p_fd) + int handle, u64 point, int *p_fd) { int ret; struct dma_fence *fence; @@ -772,7 +772,7 @@ static int drm_syncobj_export_sync_file(struct drm_file *file_private, if (fd < 0) return fd; - ret = drm_syncobj_find_fence(file_private, handle, 0, 0, &fence); + ret = drm_syncobj_find_fence(file_private, handle, point, 0, &fence); if (ret) goto err_put_fd; @@ -882,8 +882,12 @@ drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data, if (args->flags & DRM_SYNCOBJ_HANDLE_TO_FD_FLAGS_EXPORT_SYNC_FILE) return drm_syncobj_export_sync_file(file_private, args->handle, + args->point, &args->fd); + if (args->point) + return -EINVAL; + return drm_syncobj_handle_to_fd(file_private, args->handle, &args->fd); } diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h index 7fba37b94401..c71a8f4439f2 100644 --- a/include/uapi/drm/drm.h +++ b/include/uapi/drm/drm.h @@ -912,6 +912,8 @@ struct drm_syncobj_handle { __s32 fd; __u32 pad; + + __u64 point; }; struct drm_syncobj_transfer {