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gpu: nvgpu: replace wait_queue_head_t with nvgpu_cond

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Replace existing usages of wait_queue_head_t with struct nvgpu_cond and
using the corresponding APIs in order to reduce Linux dependencies in NVGPU.

JIRA NVGPU-205

Change-Id: I85850369c3c47d3e1704e4171b1d172361842423
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1575778
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Debarshi Dutta
2017-10-10 10:45:54 +05:30
committed by mobile promotions
parent 30b9cbe35a
commit 61b263d832
14 changed files with 47 additions and 46 deletions
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10
drivers/gpu/nvgpu/gk20a/sched_gk20a.c
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@@ -58,8 +58,8 @@ ssize_t gk20a_sched_dev_read(struct file *filp, char __user *buf,
nvgpu_mutex_release(&sched->status_lock);
if (filp->f_flags & O_NONBLOCK)
return -EAGAIN;
err = wait_event_interruptible(sched->readout_wq,
sched->status);
err = NVGPU_COND_WAIT_INTERRUPTIBLE(&sched->readout_wq,
sched->status, 0);
if (err)
return err;
nvgpu_mutex_acquire(&sched->status_lock);
@@ -88,7 +88,7 @@ unsigned int gk20a_sched_dev_poll(struct file *filp, poll_table *wait)
gk20a_dbg(gpu_dbg_fn | gpu_dbg_sched, "");
nvgpu_mutex_acquire(&sched->status_lock);
poll_wait(filp, &sched->readout_wq, wait);
poll_wait(filp, &sched->readout_wq.wq, wait);
if (sched->status)
mask |= POLLIN | POLLRDNORM;
nvgpu_mutex_release(&sched->status_lock);
@@ -552,7 +552,7 @@ void gk20a_sched_ctrl_tsg_added(struct gk20a *g, struct tsg_gk20a *tsg)
NVGPU_SCHED_SET(tsg->tsgid, sched->recent_tsg_bitmap);
sched->status |= NVGPU_SCHED_STATUS_TSG_OPEN;
nvgpu_mutex_release(&sched->status_lock);
wake_up_interruptible(&sched->readout_wq);
nvgpu_cond_signal_interruptible(&sched->readout_wq);
}
void gk20a_sched_ctrl_tsg_removed(struct gk20a *g, struct tsg_gk20a *tsg)
@@ -609,7 +609,7 @@ int gk20a_sched_ctrl_init(struct gk20a *g)
goto free_recent;
}
init_waitqueue_head(&sched->readout_wq);
nvgpu_cond_init(&sched->readout_wq);
err = nvgpu_mutex_init(&sched->status_lock);
if (err)