/**
 * adreno_drawctxt_invalidate() - Invalidate an adreno draw context
 * @device: Pointer to the KGSL device structure for the GPU
 * @context: Pointer to the KGSL context structure
 *
 * Invalidate the context and remove all queued commands and cancel any pending
 * waiters
 */
void adreno_drawctxt_invalidate(struct kgsl_device *device,
		struct kgsl_context *context)
{
	struct adreno_context *drawctxt = ADRENO_CONTEXT(context);

	trace_adreno_drawctxt_invalidate(drawctxt);

	drawctxt->state = ADRENO_CONTEXT_STATE_INVALID;

	/* Clear the pending queue */
	mutex_lock(&drawctxt->mutex);

	/*
	 * set the timestamp to the last value since the context is invalidated
	 * and we want the pending events for this context to go away
	 */
	kgsl_sharedmem_writel(device, &device->memstore,
			KGSL_MEMSTORE_OFFSET(context->id, soptimestamp),
			drawctxt->timestamp);

	kgsl_sharedmem_writel(device, &device->memstore,
			KGSL_MEMSTORE_OFFSET(context->id, eoptimestamp),
			drawctxt->timestamp);

	while (drawctxt->cmdqueue_head != drawctxt->cmdqueue_tail) {
		struct kgsl_cmdbatch *cmdbatch =
			drawctxt->cmdqueue[drawctxt->cmdqueue_head];

		drawctxt->cmdqueue_head = (drawctxt->cmdqueue_head + 1) %
			ADRENO_CONTEXT_CMDQUEUE_SIZE;

		mutex_unlock(&drawctxt->mutex);

		kgsl_mutex_lock(&device->mutex, &device->mutex_owner);
		kgsl_cancel_events_timestamp(device, &context->events,
			cmdbatch->timestamp);
		kgsl_mutex_unlock(&device->mutex, &device->mutex_owner);

		kgsl_cmdbatch_destroy(cmdbatch);
		mutex_lock(&drawctxt->mutex);
	}

	mutex_unlock(&drawctxt->mutex);

	/* Give the bad news to everybody waiting around */
	wake_up_all(&drawctxt->waiting);
	wake_up_all(&drawctxt->wq);
}
/**
 * adreno_drawctxt_invalidate() - Invalidate an adreno draw context
 * @device: Pointer to the KGSL device structure for the GPU
 * @context: Pointer to the KGSL context structure
 *
 * Invalidate the context and remove all queued commands and cancel any pending
 * waiters
 */
void adreno_drawctxt_invalidate(struct kgsl_device *device,
		struct kgsl_context *context)
{
	struct adreno_context *drawctxt = ADRENO_CONTEXT(context);

	trace_adreno_drawctxt_invalidate(drawctxt);

	spin_lock(&drawctxt->lock);
	set_bit(KGSL_CONTEXT_PRIV_INVALID, &context->priv);

	/*
	 * set the timestamp to the last value since the context is invalidated
	 * and we want the pending events for this context to go away
	 */
	kgsl_sharedmem_writel(device, &device->memstore,
			KGSL_MEMSTORE_OFFSET(context->id, soptimestamp),
			drawctxt->timestamp);

	kgsl_sharedmem_writel(device, &device->memstore,
			KGSL_MEMSTORE_OFFSET(context->id, eoptimestamp),
			drawctxt->timestamp);

	/* Get rid of commands still waiting in the queue */
	while (drawctxt->cmdqueue_head != drawctxt->cmdqueue_tail) {
		struct kgsl_cmdbatch *cmdbatch =
			drawctxt->cmdqueue[drawctxt->cmdqueue_head];

		drawctxt->cmdqueue_head = (drawctxt->cmdqueue_head + 1) %
			ADRENO_CONTEXT_CMDQUEUE_SIZE;

		kgsl_cancel_events_timestamp(device, &context->events,
			cmdbatch->timestamp);

		kgsl_cmdbatch_destroy(cmdbatch);
	}

	spin_unlock(&drawctxt->lock);

	/* Make sure all "retired" events are processed */
	kgsl_process_event_group(device, &context->events);

	/* Give the bad news to everybody waiting around */
	wake_up_all(&drawctxt->waiting);
	wake_up_all(&drawctxt->wq);
}
void adreno_drawctxt_invalidate(struct kgsl_device *device,
		struct kgsl_context *context)
{
	struct adreno_context *drawctxt = ADRENO_CONTEXT(context);

	trace_adreno_drawctxt_invalidate(drawctxt);

	drawctxt->state = ADRENO_CONTEXT_STATE_INVALID;

	
	mutex_lock(&drawctxt->mutex);

	kgsl_sharedmem_writel(device, &device->memstore,
			KGSL_MEMSTORE_OFFSET(context->id, soptimestamp),
			drawctxt->timestamp);

	kgsl_sharedmem_writel(device, &device->memstore,
			KGSL_MEMSTORE_OFFSET(context->id, eoptimestamp),
			drawctxt->timestamp);

	while (drawctxt->cmdqueue_head != drawctxt->cmdqueue_tail) {
		struct kgsl_cmdbatch *cmdbatch =
			drawctxt->cmdqueue[drawctxt->cmdqueue_head];

		drawctxt->cmdqueue_head = (drawctxt->cmdqueue_head + 1) %
			ADRENO_CONTEXT_CMDQUEUE_SIZE;

		mutex_unlock(&drawctxt->mutex);

		mutex_lock(&device->mutex);
		kgsl_cancel_events_timestamp(device, context,
			cmdbatch->timestamp);
		mutex_unlock(&device->mutex);

		kgsl_cmdbatch_destroy(cmdbatch);
		mutex_lock(&drawctxt->mutex);
	}

	mutex_unlock(&drawctxt->mutex);

	
	wake_up_all(&drawctxt->waiting);
	wake_up_all(&drawctxt->wq);
}
Beispiel #4
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/**
 * adreno_drawctxt_invalidate() - Invalidate an adreno draw context
 * @device: Pointer to the KGSL device structure for the GPU
 * @context: Pointer to the KGSL context structure
 *
 * Invalidate the context and remove all queued commands and cancel any pending
 * waiters
 */
void adreno_drawctxt_invalidate(struct kgsl_device *device,
		struct kgsl_context *context)
{
	struct adreno_context *drawctxt = ADRENO_CONTEXT(context);
	struct kgsl_cmdbatch *list[ADRENO_CONTEXT_CMDQUEUE_SIZE];
	int i, count;

	trace_adreno_drawctxt_invalidate(drawctxt);

	spin_lock(&drawctxt->lock);
	set_bit(KGSL_CONTEXT_PRIV_INVALID, &context->priv);

	/*
	 * set the timestamp to the last value since the context is invalidated
	 * and we want the pending events for this context to go away
	 */
	kgsl_sharedmem_writel(device, &device->memstore,
			KGSL_MEMSTORE_OFFSET(context->id, soptimestamp),
			drawctxt->timestamp);

	kgsl_sharedmem_writel(device, &device->memstore,
			KGSL_MEMSTORE_OFFSET(context->id, eoptimestamp),
			drawctxt->timestamp);

	/* Get rid of commands still waiting in the queue */
	count = drawctxt_detach_cmdbatches(drawctxt, list);
	spin_unlock(&drawctxt->lock);

	for (i = 0; i < count; i++) {
		kgsl_cancel_events_timestamp(device, &context->events,
			list[i]->timestamp);
		kgsl_cmdbatch_destroy(list[i]);
	}

	/* Make sure all pending events are processed or cancelled */
	kgsl_flush_event_group(device, &context->events);

	/* Give the bad news to everybody waiting around */
	wake_up_all(&drawctxt->waiting);
	wake_up_all(&drawctxt->wq);
}