diff options
| author | Konsta Holtta <kholtta@nvidia.com> | 2018-09-11 07:46:09 -0400 |
|---|---|---|
| committer | mobile promotions <svcmobile_promotions@nvidia.com> | 2019-08-15 03:58:34 -0400 |
| commit | 44c23acfa4453d7f5773a8adc288358bc3f3b425 (patch) | |
| tree | c53e2535418d4bd8b10c7dca9a45efe3578756d1 /drivers/gpu/nvgpu/os/linux/linux-dma.c | |
| parent | 7e96b143909b8ab7ba18f28b51cb796d8544aabb (diff) | |
gpu: nvgpu: provide usermode region via mmap
Add a mmap callback on the control device node for mapping the usermode
register region to userspace. Each such mapping is removed when the GPU
railgates, and brought back again on unrailgate.
The mapping offset must be 0 and its size must be 4 KB.
Bug 200145225
Bug 200541476
Change-Id: Ie8d3758da745b958376292691d7d1d02a24e7815
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1795819
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
(cherry picked from commit f33935f426c46b70b7aee33a1e52d5fdae5ca376
in dev-main)
Reviewed-on: https://git-master.nvidia.com/r/2170035
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Diffstat (limited to 'drivers/gpu/nvgpu/os/linux/linux-dma.c')
0 files changed, 0 insertions, 0 deletions