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[87.106.117.14]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48feb00e5easm36399545e9.13.2026.05.16.04.06.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 16 May 2026 04:06:57 -0700 (PDT) From: Julian Orth Date: Sat, 16 May 2026 13:06:13 +0200 Subject: [PATCH 10/12] drm/syncobj: add drm_syncobj_import_sync_file Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260516-jorth-syncobj-v1-10-88ede9d98a81@gmail.com> References: <20260516-jorth-syncobj-v1-0-88ede9d98a81@gmail.com> In-Reply-To: <20260516-jorth-syncobj-v1-0-88ede9d98a81@gmail.com> To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Sumit Semwal , =?utf-8?q?Christian_K=C3=B6nig?= , Jonathan Corbet , Shuah Khan , Arnd Bergmann , Greg Kroah-Hartman Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linaro-mm-sig@lists.linaro.org, linux-doc@vger.kernel.org, wayland-devel@lists.freedesktop.org, ju.orth@gmail.com X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1778929602; l=2792; i=ju.orth@gmail.com; s=20251120; h=from:subject:message-id; bh=gccEkxb9Fgxq3kICRGFzS2yuH2T+EBoB3hEcASoUfk4=; b=LfciDdq+01NiK3gXOUbCymlEM3K+nuuGo3VhuhjLND4T9QDwYUXe2UHMMsjDrtokyTzc+edKE S+PE8qGatMuDQ8hyiPBhAhZK6ObHL0ljbFX8Do8xYlPgTokSZvXJnCB X-Developer-Key: i=ju.orth@gmail.com; a=ed25519; pk=uM2SS4lelkuIoYHc7v9N9bgBZ3hS632zJS2xjRJLPLI= This makes the logic from drm_syncobj_import_sync_file_fence available to callers that have a drm_syncobj instead of a drm_file/handle pair. Signed-off-by: Julian Orth --- drivers/gpu/drm/drm_syncobj.c | 35 ++++++++++++++++++++++++++--------- include/drm/drm_syncobj.h | 2 ++ 2 files changed, 28 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c index 1da96e23dfc0..4c1667c67cb7 100644 --- a/drivers/gpu/drm/drm_syncobj.c +++ b/drivers/gpu/drm/drm_syncobj.c @@ -765,19 +765,37 @@ static int drm_syncobj_fd_to_handle(struct drm_file *file_private, static int drm_syncobj_import_sync_file_fence(struct drm_file *file_private, int fd, int handle, u64 point) { - struct dma_fence *fence = sync_file_get_fence(fd); struct drm_syncobj *syncobj; int ret = 0; + syncobj = drm_syncobj_find(file_private, handle); + if (!syncobj) + return -ENOENT; + + ret = drm_syncobj_import_sync_file(syncobj, fd, point); + + drm_syncobj_put(syncobj); + + return ret; +} + +/** + * drm_syncobj_import_sync_file - import a sync_file fd into a syncobj + * @syncobj: syncobj to import into + * @fd: sync_file file descriptor + * @point: timeline point or 0 + * + * Returns 0 on success or a negative error value on failure. + */ +int drm_syncobj_import_sync_file(struct drm_syncobj *syncobj, + int fd, u64 point) +{ + struct dma_fence *fence = sync_file_get_fence(fd); + int ret = 0; + if (!fence) return -EINVAL; - syncobj = drm_syncobj_find(file_private, handle); - if (!syncobj) { - ret = -ENOENT; - goto err_syncobj; - } - if (point) { struct dma_fence_chain *chain = dma_fence_chain_alloc(); @@ -792,11 +810,10 @@ static int drm_syncobj_import_sync_file_fence(struct drm_file *file_private, } err: - drm_syncobj_put(syncobj); -err_syncobj: dma_fence_put(fence); return ret; } +EXPORT_SYMBOL(drm_syncobj_import_sync_file); static int drm_syncobj_export_sync_file(struct drm_file *file_private, int handle, u64 point, int *p_fd) diff --git a/include/drm/drm_syncobj.h b/include/drm/drm_syncobj.h index da237ca3e61f..1571ffa12a5c 100644 --- a/include/drm/drm_syncobj.h +++ b/include/drm/drm_syncobj.h @@ -143,6 +143,8 @@ int drm_syncobj_timeline_signal(struct drm_syncobj **syncobjs, u64 user_points, u32 count); int drm_syncobj_query(struct drm_syncobj **syncobjs, u64 user_points, u32 count, u32 flags); +int drm_syncobj_import_sync_file(struct drm_syncobj *syncobj, + int sync_file_fd, u64 point); void drm_syncobj_free(struct kref *kref); int drm_syncobj_create(struct drm_syncobj **out_syncobj, uint32_t flags, struct dma_fence *fence); -- 2.54.0