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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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6
drivers/gpu/nvgpu/common/linux/ioctl_channel.c
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@@ -575,7 +575,7 @@ static unsigned int gk20a_event_id_poll(struct file *filep, poll_table *wait)
gk20a_dbg(gpu_dbg_fn | gpu_dbg_info, "");
poll_wait(filep, &event_id_data->event_id_wq, wait);
poll_wait(filep, &event_id_data->event_id_wq.wq, wait);
nvgpu_mutex_acquire(&event_id_data->lock);
@@ -683,7 +683,7 @@ void gk20a_channel_event_id_post_event(struct channel_gk20a *ch,
event_id, ch->chid);
event_id_data->event_posted = true;
wake_up_interruptible_all(&event_id_data->event_id_wq);
nvgpu_cond_broadcast_interruptible(&event_id_data->event_id_wq);
nvgpu_mutex_release(&event_id_data->lock);
}
@@ -735,7 +735,7 @@ static int gk20a_channel_event_id_enable(struct channel_gk20a *ch,
event_id_data->is_tsg = false;
event_id_data->event_id = event_id;
init_waitqueue_head(&event_id_data->event_id_wq);
nvgpu_cond_init(&event_id_data->event_id_wq);
err = nvgpu_mutex_init(&event_id_data->lock);
if (err)
goto clean_up_free;