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

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

Jira DLA-161

Change-Id: If3695b0cca29d485c04b93a83848d50ad81dd9fd
Signed-off-by: Shridhar Rasal <srasal@nvidia.com>
Reviewed-on: http://git-master/r/1274302
Reviewed-by: Prashant Gaikwad <pgaikwad@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Shridhar Rasal
2016-12-20 17:09:24 +05:30
committed by Laxman Dewangan
parent 8e43147075
commit 0f0aa8f942
1 changed files with 30 additions and 0 deletions
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30
drivers/video/tegra/host/nvdla/nvdla_queue.c
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@@ -119,6 +119,7 @@ void nvdla_task_get(struct nvdla_task *task)
static void nvdla_task_free_locked(struct nvdla_task *task)
{
int i;
struct nvhost_queue *queue = task->queue;
struct platform_device *pdev = queue->pool->pdev;
@@ -134,6 +135,14 @@ static void nvdla_task_free_locked(struct nvdla_task *task)
nvhost_buffer_submit_unpin(task->buffers,
task->memory_handles, task->num_handles);
for (i = 0; i < task->num_prefences; i++) {
if (task->prefences[i].type == NVDLA_FENCE_TYPE_SEMAPHORE &&
task->prefences[i].sem_handle) {
nvhost_buffer_submit_unpin(task->buffers,
&task->prefences[i].sem_handle, 1);
}
}
/* update takslist */
list_del(&task->list);
@@ -393,6 +402,7 @@ static int nvdla_fill_postactions(struct nvdla_task *task)
static int nvdla_fill_preactions(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 nvhost_master *host = nvhost_get_host(pdev);
@@ -489,6 +499,26 @@ static int nvdla_fill_preactions(struct nvdla_task *task)
task->prefences[i].syncpoint_value);
break;
}
case NVDLA_FENCE_TYPE_SEMAPHORE: {
dma_addr_t dma_addr;
size_t dma_size;
nvdla_dbg_info(pdev, "i[%d] semh[%u] semo[%u] val[%d]",
i,
task->prefences[i].sem_handle,
task->prefences[i].sem_offset,
task->prefences[i].sem_val);
if (nvhost_buffer_submit_pin(buffers,
&task->prefences[i].sem_handle,
1, &dma_addr, &dma_size))
break;
UPDATE_PREACTION(pre_cnt++, PREACTION_SEM_GE,
dma_addr + task->prefences[i].sem_offset,
task->prefences[i].sem_val);
break;
}
default:
nvdla_dbg_err(pdev, "Invalid sync_type[%d]",
task->prefences[i].type);