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gpu: nvgpu: Add wrapper over atomic_t and atomic64_t

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- added wrapper structs nvgpu_atomic_t and nvgpu_atomic64_t over
  atomic_t and atomic64_t
- added nvgpu_atomic_* and nvgpu_atomic64_* APIs to access the above
  wrappers.

JIRA NVGPU-121

Change-Id: I61667bb0a84c2fc475365abb79bffb42b8b4786a
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1533044
Reviewed-by: svccoveritychecker <svccoveritychecker@nvidia.com>
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
GVS: Gerrit_Virtual_Submit
This commit is contained in:
Debarshi Dutta
2017-08-03 15:34:44 +05:30
committed by mobile promotions
parent 49dc335cfe
commit 98186ec2c2
24 changed files with 355 additions and 120 deletions
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8
drivers/gpu/nvgpu/common/linux/debug_fifo.c
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@@ -167,7 +167,7 @@ static int gk20a_fifo_profile_enable(void *data, u64 val)
}
kref_init(&f->profile.ref);
}
atomic_set(&f->profile.get, 0);
atomic_set(&f->profile.get.atomic_var, 0);
f->profile.enabled = true;
}
}
@@ -246,7 +246,7 @@ static int gk20a_fifo_profile_stats(struct seq_file *s, void *unused)
return 0;
}
get = atomic_read(&g->fifo.profile.get);
get = atomic_read(&g->fifo.profile.get.atomic_var);
__gk20a_fifo_create_stats(g, percentiles_ioctl,
PROFILE_IOCTL_EXIT, PROFILE_IOCTL_ENTRY);
@@ -311,7 +311,7 @@ void gk20a_fifo_debugfs_init(struct gk20a *g)
nvgpu_mutex_init(&g->fifo.profile.lock);
g->fifo.profile.enabled = false;
atomic_set(&g->fifo.profile.get, 0);
atomic_set(&g->fifo.profile.get.atomic_var, 0);
atomic_set(&g->fifo.profile.ref.refcount, 0);
debugfs_create_file("enable", 0600, profile_root, g,
@@ -342,7 +342,7 @@ struct fifo_profile_gk20a *gk20a_fifo_profile_acquire(struct gk20a *g)
/* If kref is zero, profiling is not enabled */
if (!kref_get_unless_zero(&f->profile.ref))
return NULL;
index = atomic_inc_return(&f->profile.get);
index = atomic_inc_return(&f->profile.get.atomic_var);
profile = &f->profile.data[index % FIFO_PROFILING_ENTRIES];
return profile;