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video: tegra: host: dla: add semaphore support for postfence

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- this adds semaphore/memsignal support in postfences
- while updating task descriptor, does pinning of UMD semaphore
  handle and received dma_addr added as postaction

Jira DLA-161

Change-Id: I37a9cc38c30ce70cb817fb9dc682b36dc9962834
Signed-off-by: Shridhar Rasal <srasal@nvidia.com>
Reviewed-on: http://git-master/r/1274328
Reviewed-by: Prashant Gaikwad <pgaikwad@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Shridhar Rasal
2016-12-20 22:32:44 +05:30
committed by Laxman Dewangan
parent 0f0aa8f942
commit cc7e3c8d9b
1 changed files with 39 additions and 1 deletions
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40
drivers/video/tegra/host/nvdla/nvdla_queue.c
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@@ -143,6 +143,14 @@ static void nvdla_task_free_locked(struct nvdla_task *task)
}
}
for (i = 0; i < task->num_postfences; i++) {
if (task->postfences[i].type == NVDLA_FENCE_TYPE_SEMAPHORE &&
task->postfences[i].sem_handle) {
nvhost_buffer_submit_unpin(task->buffers,
&task->postfences[i].sem_handle, 1);
}
}
/* update takslist */
list_del(&task->list);
@@ -346,6 +354,7 @@ static size_t nvdla_get_task_desc_size(void)
static int nvdla_fill_postactions(struct nvdla_task *task)
{
struct dla_task_descriptor *task_desc = task->task_desc;
struct nvhost_buffers *buffers = task->buffers;
struct nvhost_queue *queue = task->queue;
struct platform_device *pdev = queue->pool->pdev;
struct dla_action_semaphore *postaction;
@@ -385,8 +394,37 @@ static int nvdla_fill_postactions(struct nvdla_task *task)
((char *)opcode + sizeof(struct dla_action_opcode));
/* update action */
postaction->address = nvhost_syncpt_address(pdev,
switch (task->postfences[i].type) {
case NVDLA_FENCE_TYPE_SYNCPT: {
postaction->address = nvhost_syncpt_address(pdev,
queue->syncpt_id);
break;
}
case NVDLA_FENCE_TYPE_SEMAPHORE: {
dma_addr_t dma_addr;
size_t dma_size;
nvdla_dbg_info(pdev, "POST i:%d semh:%u semo:%u v:%d",
i,
task->postfences[i].sem_handle,
task->postfences[i].sem_offset,
task->postfences[i].sem_val);
if (nvhost_buffer_submit_pin(buffers,
&task->postfences[i].sem_handle,
1, &dma_addr, &dma_size))
break;
postaction->address = dma_addr +
task->postfences[i].sem_offset;
postaction->value = task->postfences[i].sem_val;
break;
}
default:
nvdla_dbg_err(pdev, "Invalid postfence sync type[%d]",
task->postfences[i].type);
return -EINVAL;
}
}
mem = (char *)task_desc + task_desc->postactions;