gpu: nvgpu: replace wait_queue_head_t with nvgpu_cond

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>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/ioctl_channel.c b/drivers/gpu/nvgpu/common/linux/ioctl_channel.c
index 6c66eca0..3ea07eed 100644
--- a/drivers/gpu/nvgpu/common/linux/ioctl_channel.c
+++ b/drivers/gpu/nvgpu/common/linux/ioctl_channel.c
@@ -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;