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/gk20a/dbg_gpu_gk20a.c b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c
index c2885807..135cb1e9 100644
--- a/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/dbg_gpu_gk20a.c
@@ -158,7 +158,7 @@ static int gk20a_dbg_gpu_do_dev_open(struct inode *inode,
         dbg_session->is_pg_disabled = false;
         dbg_session->is_timeout_disabled = false;
 
-        init_waitqueue_head(&dbg_session->dbg_events.wait_queue);
+        nvgpu_cond_init(&dbg_session->dbg_events.wait_queue);
         nvgpu_init_list_node(&dbg_session->ch_list);
         err = nvgpu_mutex_init(&dbg_session->ch_list_lock);
         if (err)
@@ -286,7 +286,7 @@ unsigned int gk20a_dbg_gpu_dev_poll(struct file *filep, poll_table *wait)
 
         gk20a_dbg(gpu_dbg_fn | gpu_dbg_gpu_dbg, "");
 
-        poll_wait(filep, &dbg_s->dbg_events.wait_queue, wait);
+        poll_wait(filep, &dbg_s->dbg_events.wait_queue.wq, wait);
 
         gk20a_dbg_session_nvgpu_mutex_acquire(dbg_s);
 
@@ -337,7 +337,7 @@ void gk20a_dbg_gpu_post_events(struct channel_gk20a *ch)
 
                         dbg_s->dbg_events.num_pending_events++;
 
-                        wake_up_interruptible_all(&dbg_s->dbg_events.wait_queue);
+                        nvgpu_cond_broadcast_interruptible(&dbg_s->dbg_events.wait_queue);
                 }
         }