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video: tegra: pva: Remove dynamic memory for task

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Removing the dynamic memory allocation done for
task in the submit call.
Allocate the fixed task memory array based on
maximum task that can be supported per queue during
nvhost_queue_alloc call.
On task submit call obtain a task memory from pool based on availability.
Free that memory when task is done.
Deallocate  task pool memory on nvhost_queue_free call.

JIRA PVA-189

Change-Id: I93e89325c1c35a46bdf579dce6aae18c2bfe7183
Signed-off-by: Vinod G <vinodg@nvidia.com>
Reviewed-on: http://git-master/r/1264027
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Vinod G
2016-12-02 11:28:11 -08:00
committed by Laxman Dewangan
parent 5e6c70f583
commit fd7ba26524
2 changed files with 7 additions and 1 deletions
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5
drivers/video/tegra/host/nvdla/nvdla.h
View File

@@ -41,6 +41,11 @@
*/
#define MAX_NVDLA_QUEUE_COUNT 16
/**
* Maximum number of tasks per queue
*/
#define MAX_NVDLA_TASK_COUNT 32
/**
* Trace Buffer Size
*/

3
drivers/video/tegra/host/nvdla/nvdla_ioctl.c
View File

@@ -332,7 +332,8 @@ static int nvdla_open(struct inode *inode, struct file *file)
goto err_alloc_buffer;
}
priv->queue = nvhost_queue_alloc(nvdla_dev->pool);
priv->queue = nvhost_queue_alloc(nvdla_dev->pool,
MAX_NVDLA_TASK_COUNT);
if (IS_ERR(priv->queue)) {
err = PTR_ERR(priv->queue);
goto err_alloc_queue;