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tegra: nvmap: dmabuf fd for range from list of handles

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It returns dmabuf fd from list of nvmap handles
for a range between offset and size.

The range should fall under total size of all of the handles.
Range may lie between sub set of handles.

Bug 3494980

Change-Id: I5c688f832a7a3bb0b6e3713ec6462224bb6fbfc5
Signed-off-by: Puneet Saxena <puneets@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2789431
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Puneet Saxena
2022-10-14 16:13:14 +05:30
committed by Laxman Dewangan
parent f1e2cd8dea
commit c4a88d6515
9 changed files with 335 additions and 3 deletions
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4
drivers/video/tegra/nvmap/nvmap_dev.c
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@@ -483,7 +483,9 @@ static long nvmap_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
case NVMAP_IOC_QUERY_HEAP_PARAMS:
err = nvmap_ioctl_query_heap_params(filp, uarg);
break;
case NVMAP_IOC_GET_FD_FOR_RANGE_FROM_LIST:
err = nvmap_ioctl_get_fd_from_list(filp, uarg);
break;
default:
pr_warn("Unknown NVMAP_IOC = 0x%x\n", cmd);
}