132 lines
4.5 KiB
C
132 lines
4.5 KiB
C
/* Copyright (c) 2002,2007-2015, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __ADRENO_DRAWCTXT_H
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#define __ADRENO_DRAWCTXT_H
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struct adreno_context_type {
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unsigned int type;
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const char *str;
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};
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#define ADRENO_CONTEXT_CMDQUEUE_SIZE 128
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#define SUBMIT_RETIRE_TICKS_SIZE 7
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struct kgsl_device;
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struct adreno_device;
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struct kgsl_device_private;
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struct kgsl_context;
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/**
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* struct adreno_context - Adreno GPU draw context
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* @timestamp: Last issued context-specific timestamp
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* @internal_timestamp: Global timestamp of the last issued command
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* NOTE: guarded by device->mutex, not drawctxt->mutex!
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* @type: Context type (GL, CL, RS)
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* @mutex: Mutex to protect the cmdqueue
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* @cmdqueue: Queue of command batches waiting to be dispatched for this context
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* @cmdqueue_head: Head of the cmdqueue queue
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* @cmdqueue_tail: Tail of the cmdqueue queue
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* @pending: Priority list node for the dispatcher list of pending contexts
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* @wq: Workqueue structure for contexts to sleep pending room in the queue
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* @waiting: Workqueue structure for contexts waiting for a timestamp or event
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* @queued: Number of commands queued in the cmdqueue
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* @fault_policy: GFT fault policy set in cmdbatch_skip_cmd();
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* @debug_root: debugfs entry for this context.
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* @queued_timestamp: The last timestamp that was queued on this context
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* @rb: The ringbuffer in which this context submits commands.
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* @submitted_timestamp: The last timestamp that was submitted for this context
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* @submit_retire_ticks: Array to hold cmdbatch execution times from submit
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* to retire
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* @ticks_index: The index into submit_retire_ticks[] where the new delta will
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* be written.
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*/
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struct adreno_context {
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struct kgsl_context base;
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unsigned int timestamp;
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unsigned int internal_timestamp;
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unsigned int type;
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spinlock_t lock;
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/* Dispatcher */
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struct kgsl_cmdbatch *cmdqueue[ADRENO_CONTEXT_CMDQUEUE_SIZE];
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unsigned int cmdqueue_head;
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unsigned int cmdqueue_tail;
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struct plist_node pending;
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wait_queue_head_t wq;
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wait_queue_head_t waiting;
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int queued;
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unsigned int fault_policy;
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struct dentry *debug_root;
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unsigned int queued_timestamp;
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struct adreno_ringbuffer *rb;
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unsigned int submitted_timestamp;
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uint64_t submit_retire_ticks[SUBMIT_RETIRE_TICKS_SIZE];
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int ticks_index;
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};
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/* Flag definitions for flag field in adreno_context */
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/* Set when sync timer of cmdbatch belonging to the context times out */
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#define ADRENO_CONTEXT_CMDBATCH_FLAG_FENCE_LOG BIT(0)
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/**
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* enum adreno_context_priv - Private flags for an adreno draw context
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* @ADRENO_CONTEXT_FAULT - set if the context has faulted (and recovered)
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* @ADRENO_CONTEXT_GPU_HANG - Context has caused a GPU hang
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* @ADRENO_CONTEXT_GPU_HANG_FT - Context has caused a GPU hang
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* and fault tolerance was successful
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* @ADRENO_CONTEXT_SKIP_EOF - Context skip IBs until the next end of frame
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* marker.
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* @ADRENO_CONTEXT_FORCE_PREAMBLE - Force the preamble for the next submission.
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* @ADRENO_CONTEXT_SKIP_CMD - Context's command batch is skipped during
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fault tolerance.
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*/
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enum adreno_context_priv {
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ADRENO_CONTEXT_FAULT = KGSL_CONTEXT_PRIV_DEVICE_SPECIFIC,
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ADRENO_CONTEXT_GPU_HANG,
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ADRENO_CONTEXT_GPU_HANG_FT,
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ADRENO_CONTEXT_SKIP_EOF,
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ADRENO_CONTEXT_FORCE_PREAMBLE,
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ADRENO_CONTEXT_SKIP_CMD,
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};
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struct kgsl_context *adreno_drawctxt_create(struct kgsl_device_private *,
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uint32_t *flags);
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void adreno_drawctxt_detach(struct kgsl_context *context);
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void adreno_drawctxt_destroy(struct kgsl_context *context);
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void adreno_drawctxt_sched(struct kgsl_device *device,
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struct kgsl_context *context);
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struct adreno_ringbuffer;
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int adreno_drawctxt_switch(struct adreno_device *adreno_dev,
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struct adreno_ringbuffer *rb,
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struct adreno_context *drawctxt,
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unsigned int flags);
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int adreno_drawctxt_wait(struct adreno_device *adreno_dev,
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struct kgsl_context *context,
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uint32_t timestamp, unsigned int timeout);
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void adreno_drawctxt_invalidate(struct kgsl_device *device,
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struct kgsl_context *context);
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void adreno_drawctxt_dump(struct kgsl_device *device,
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struct kgsl_context *context);
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#endif /* __ADRENO_DRAWCTXT_H */
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