disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/gpu/arm/bifrost/tl/mali_kbase_timeline_priv.h
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@@ -1,7 +1,7 @@
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 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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 /*
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  *
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- * (C) COPYRIGHT 2019-2021 ARM Limited. All rights reserved.
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+ * (C) COPYRIGHT 2019-2022 ARM Limited. All rights reserved.
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  *
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  * This program is free software and is provided to you under the terms of the
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  * GNU General Public License version 2 as published by the Free Software
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@@ -51,7 +51,7 @@
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  * @event_queue:            Timeline stream event queue
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  * @bytes_collected:        Number of bytes read by user
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  * @timeline_flags:         Zero, if timeline is disabled. Timeline stream flags
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- *                          otherwise. See kbase_timeline_io_acquire().
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+ *                          otherwise. See kbase_timeline_acquire().
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  * @obj_header_btc:         Remaining bytes to copy for the object stream header
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  * @aux_header_btc:         Remaining bytes to copy for the aux stream header
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  * @last_acquire_time:      The time at which timeline was last acquired.
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@@ -77,8 +77,27 @@
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 #endif
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 };
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-extern const struct file_operations kbasep_tlstream_fops;
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-
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 void kbase_create_timeline_objects(struct kbase_device *kbdev);
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+/**
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+ * kbase_timeline_acquire - acquire timeline for a userspace client.
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+ * @kbdev:     An instance of the GPU platform device, allocated from the probe
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+ *             method of the driver.
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+ * @flags:     Timeline stream flags
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+ *
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+ * Each timeline instance can be acquired by only one userspace client at a time.
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+ *
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+ * Return: Zero on success, error number on failure (e.g. if already acquired).
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+ */
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+int kbase_timeline_acquire(struct kbase_device *kbdev, u32 flags);
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+
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+/**
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+ * kbase_timeline_release - release timeline for a userspace client.
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+ * @timeline:     Timeline instance to be stopped. It must be previously acquired
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+ *                with kbase_timeline_acquire().
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+ *
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+ * Releasing the timeline instance allows it to be acquired by another userspace client.
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+ */
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+void kbase_timeline_release(struct kbase_timeline *timeline);
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+
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 #endif /* _KBASE_TIMELINE_PRIV_H */