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gpu: nvgpu: remove direct tsg retrieval from fifo

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Added
- nvgpu_tsg_check_and_get_from_id
- nvgpu_tsg_get_from_id

And removed direct accesses to f->tsg array.

Jira NVGPU-3156

Change-Id: I8610e19c1a6e06521c16a1ec0c3a7a011978d0b7
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2101251
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Debarshi Dutta
2019-03-29 16:40:02 +05:30
committed by mobile promotions
parent 124cdb4509
commit 965062c2bc
12 changed files with 52 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
drivers/gpu/nvgpu/os/linux/sched.c
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@@ -167,9 +167,10 @@ static int gk20a_sched_dev_ioctl_get_tsgs_by_pid(struct gk20a_sched_ctrl *sched,
nvgpu_mutex_acquire(&sched->status_lock);
for (tsgid = 0; tsgid < f->num_channels; tsgid++) {
if (NVGPU_SCHED_ISSET(tsgid, sched->active_tsg_bitmap)) {
tsg = &f->tsg[tsgid];
if (tsg->tgid == tgid)
tsg = nvgpu_tsg_get_from_id(g, tsgid);
if (tsg->tgid == tgid) {
NVGPU_SCHED_SET(tsgid, bitmap);
}
}
}
nvgpu_mutex_release(&sched->status_lock);
@@ -198,7 +199,7 @@ static int gk20a_sched_dev_ioctl_get_params(struct gk20a_sched_ctrl *sched,
nvgpu_speculation_barrier();
tsg = &f->tsg[tsgid];
tsg = nvgpu_tsg_get_from_id(g, tsgid);
if (!nvgpu_ref_get_unless_zero(&tsg->refcount))
return -ENXIO;
@@ -233,7 +234,7 @@ static int gk20a_sched_dev_ioctl_tsg_set_timeslice(
nvgpu_speculation_barrier();
tsg = &f->tsg[tsgid];
tsg = nvgpu_tsg_get_from_id(g, tsgid);
if (!nvgpu_ref_get_unless_zero(&tsg->refcount))
return -ENXIO;
@@ -268,7 +269,7 @@ static int gk20a_sched_dev_ioctl_tsg_set_runlist_interleave(
nvgpu_speculation_barrier();
tsg = &f->tsg[tsgid];
tsg = nvgpu_tsg_get_from_id(g, tsgid);
if (!nvgpu_ref_get_unless_zero(&tsg->refcount))
return -ENXIO;
@@ -336,7 +337,7 @@ static int gk20a_sched_dev_ioctl_get_tsg(struct gk20a_sched_ctrl *sched,
nvgpu_speculation_barrier();
tsg = &f->tsg[tsgid];
tsg = nvgpu_tsg_get_from_id(g, tsgid);
if (!nvgpu_ref_get_unless_zero(&tsg->refcount))
return -ENXIO;
@@ -382,7 +383,7 @@ static int gk20a_sched_dev_ioctl_put_tsg(struct gk20a_sched_ctrl *sched,
NVGPU_SCHED_CLR(tsgid, sched->ref_tsg_bitmap);
nvgpu_mutex_release(&sched->status_lock);
tsg = &f->tsg[tsgid];
tsg = nvgpu_tsg_get_from_id(g, tsgid);
nvgpu_ref_put(&tsg->refcount, nvgpu_ioctl_tsg_release);
return 0;
@@ -527,7 +528,7 @@ int gk20a_sched_dev_release(struct inode *inode, struct file *filp)
/* release any reference to TSGs */
for (tsgid = 0; tsgid < f->num_channels; tsgid++) {
if (NVGPU_SCHED_ISSET(tsgid, sched->ref_tsg_bitmap)) {
tsg = &f->tsg[tsgid];
tsg = nvgpu_tsg_get_from_id(g, tsgid);
nvgpu_ref_put(&tsg->refcount, nvgpu_ioctl_tsg_release);
}
}