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gpu: nvgpu: track opened Linux ctrl files

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An upcoming patch will need to enumerate opened ctrl nodes; track them
in a list, protected by a mutex.

Bug 200145225

Change-Id: I50dc15056832a3bb53fbdd7bd2bffcdaecc7b21c
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1811840
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Konsta Holtta
2018-09-11 14:37:09 +03:00
committed by mobile promotions
parent fddb296924
commit d53495400e
4 changed files with 30 additions and 1 deletions
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3
drivers/gpu/nvgpu/os/linux/driver_common.c
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@@ -69,6 +69,9 @@ static void nvgpu_init_vars(struct gk20a *g)
/* Init the clock req count to 0 */
nvgpu_atomic_set(&g->clk_arb_global_nr, 0);
nvgpu_mutex_init(&l->ctrl.privs_lock);
nvgpu_init_list_node(&l->ctrl.privs);
l->regs_saved = l->regs;
l->bar1_saved = l->bar1;