nv-tegra-mirror/linux-nv-oot
1
0
Fork 0
mirror of git://nv-tegra.nvidia.com/linux-nv-oot.git synced 2025-12-24 02:01:36 +03:00
Code Issues Packages Projects Releases Wiki Activity

video: tegra: host: nvdla: set dma mask to 32 for vdk

Browse Source 
DLA t23x vdk doesn't work for IOVA higher than 32 address range,
so cap DMA available range to 32 for vdk plarform.

This is temp fix until CMOD fix available.

Bug 200637192
Jira DLA-3510

Change-Id: Ic5627e4aeb154e10494a3d71b63c3baa4d9eab81
Signed-off-by: Shridhar Rasal <srasal@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2382424
Reviewed-by: Praveen K <kpraveen@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Shridhar Rasal
2020-07-20 20:25:27 +05:30
committed by Laxman Dewangan
parent 86fbda4e99
commit 86c508b59b
1 changed files with 5 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/video/tegra/host/nvdla/nvdla.c
View File

@@ -714,7 +714,7 @@ static struct of_device_id tegra_nvdla_of_match[] = {
static int nvdla_probe(struct platform_device *pdev)
{
int err = 0;
int err = 0, dla_dma_bit_mask = 39;
struct nvhost_device_data *pdata = NULL;
struct nvdla_device *nvdla_dev = NULL;
struct device *dev = &pdev->dev;
@@ -759,7 +759,10 @@ static int nvdla_probe(struct platform_device *pdev)
goto err_no_ip;
}
dma_set_mask(dev, DMA_BIT_MASK(39));
if (tegra_platform_is_vdk())
dla_dma_bit_mask = 32;
dma_set_mask(dev, DMA_BIT_MASK(dla_dma_bit_mask));
nvdla_dev = devm_kzalloc(dev, sizeof(*nvdla_dev), GFP_KERNEL);
if (!nvdla_dev) {