gpu: nvgpu: Register as subdomain of host1x

Add gk20a as a sub power domain of host1x. This enforces keeping
host1x on when using gk20a.

Bug 200003112

Change-Id: I08db595bc7b819d86d33fb98af0d8fb4de369463
Signed-off-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-on: http://git-master/r/407543
Reviewed-by: Riham Haidar <rhaidar@nvidia.com>
Tested-by: Riham Haidar <rhaidar@nvidia.com>

1 files changed, 24 insertions, 26 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
index 7cf5fcde..1b7191db 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
@@ -697,14 +697,14 @@ int gk20a_channel_release(struct inode *inode, struct file *filp)
 
         trace_gk20a_channel_release(dev_name(&g->dev->dev));
 
-        err = gk20a_channel_busy(ch->g->dev);
+        err = gk20a_busy(ch->g->dev);
         if (err) {
                 gk20a_err(dev_from_gk20a(g), "failed to release channel %d",
                         ch->hw_chid);
                 return err;
         }
         gk20a_free_channel(ch, true);
-        gk20a_channel_idle(ch->g->dev);
+        gk20a_idle(ch->g->dev);
 
         gk20a_put_client(g);
         filp->private_data = NULL;
@@ -767,14 +767,14 @@ static int __gk20a_channel_open(struct gk20a *g, struct file *filp)
                 return err;
         }
 
-        err = gk20a_channel_busy(g->dev);
+        err = gk20a_busy(g->dev);
         if (err) {
                 gk20a_put_client(g);
                 gk20a_err(dev_from_gk20a(g), "failed to power on, %d", err);
                 return err;
         }
         ch = gk20a_open_new_channel(g);
-        gk20a_channel_idle(g->dev);
+        gk20a_idle(g->dev);
         if (!ch) {
                 gk20a_put_client(g);
                 gk20a_err(dev_from_gk20a(g),
@@ -1408,12 +1408,12 @@ void gk20a_channel_update(struct channel_gk20a *c, int nr_completed)
 
                 list_del_init(&job->list);
                 kfree(job);
-                gk20a_channel_idle(g->dev);
+                gk20a_idle(g->dev);
         }
         mutex_unlock(&c->jobs_lock);
 
         for (i = 0; i < nr_completed; i++)
-                gk20a_channel_idle(c->g->dev);
+                gk20a_idle(c->g->dev);
 }
 
 static int gk20a_submit_channel_gpfifo(struct channel_gk20a *c,
@@ -1455,7 +1455,7 @@ static int gk20a_submit_channel_gpfifo(struct channel_gk20a *c,
         gk20a_dbg_info("channel %d", c->hw_chid);
 
         /* gk20a_channel_update releases this ref. */
-        err = gk20a_channel_busy(g->dev);
+        err = gk20a_busy(g->dev);
         if (err) {
                 gk20a_err(d, "failed to host gk20a to submit gpfifo");
                 return err;
@@ -1606,7 +1606,7 @@ clean_up:
         gk20a_err(d, "fail");
         free_priv_cmdbuf(c, wait_cmd);
         free_priv_cmdbuf(c, incr_cmd);
-        gk20a_channel_idle(g->dev);
+        gk20a_idle(g->dev);
         return err;
 }
 
@@ -1856,7 +1856,6 @@ int gk20a_channel_suspend(struct gk20a *g)
         for (chid = 0; chid < f->num_channels; chid++) {
                 struct channel_gk20a *c = &f->channel[chid];
                 if (c->in_use && c->obj_class != KEPLER_C) {
-                        gk20a_platform_channel_busy(g->dev);
                         err = gk20a_channel_submit_wfi(c);
                         if (err) {
                                 gk20a_err(d, "cannot idle channel %d\n",
@@ -1866,7 +1865,6 @@ int gk20a_channel_suspend(struct gk20a *g)
 
                         c->sync->wait_cpu(c->sync, &c->last_submit_fence,
                                           500000);
-                        gk20a_platform_channel_idle(g->dev);
                         break;
                 }
         }
@@ -2037,7 +2035,7 @@ long gk20a_channel_ioctl(struct file *filp,
         case NVHOST_IOCTL_CHANNEL_SET_NVMAP_FD:
                 break;
         case NVHOST_IOCTL_CHANNEL_ALLOC_OBJ_CTX:
-                err = gk20a_channel_busy(dev);
+                err = gk20a_busy(dev);
                 if (err) {
                         dev_err(&dev->dev,
                                 "%s: failed to host gk20a for ioctl cmd: 0x%x",
@@ -2046,10 +2044,10 @@ long gk20a_channel_ioctl(struct file *filp,
                 }
                 err = gk20a_alloc_obj_ctx(ch,
                                 (struct nvhost_alloc_obj_ctx_args *)buf);
-                gk20a_channel_idle(dev);
+                gk20a_idle(dev);
                 break;
         case NVHOST_IOCTL_CHANNEL_FREE_OBJ_CTX:
-                err = gk20a_channel_busy(dev);
+                err = gk20a_busy(dev);
                 if (err) {
                         dev_err(&dev->dev,
                                 "%s: failed to host gk20a for ioctl cmd: 0x%x",
@@ -2058,10 +2056,10 @@ long gk20a_channel_ioctl(struct file *filp,
                 }
                 err = gk20a_free_obj_ctx(ch,
                                 (struct nvhost_free_obj_ctx_args *)buf);
-                gk20a_channel_idle(dev);
+                gk20a_idle(dev);
                 break;
         case NVHOST_IOCTL_CHANNEL_ALLOC_GPFIFO:
-                err = gk20a_channel_busy(dev);
+                err = gk20a_busy(dev);
                 if (err) {
                         dev_err(&dev->dev,
                                 "%s: failed to host gk20a for ioctl cmd: 0x%x",
@@ -2070,14 +2068,14 @@ long gk20a_channel_ioctl(struct file *filp,
                 }
                 err = gk20a_alloc_channel_gpfifo(ch,
                                 (struct nvhost_alloc_gpfifo_args *)buf);
-                gk20a_channel_idle(dev);
+                gk20a_idle(dev);
                 break;
         case NVHOST_IOCTL_CHANNEL_SUBMIT_GPFIFO:
                 err = gk20a_ioctl_channel_submit_gpfifo(ch,
                                 (struct nvhost_submit_gpfifo_args *)buf);
                 break;
         case NVHOST_IOCTL_CHANNEL_WAIT:
-                err = gk20a_channel_busy(dev);
+                err = gk20a_busy(dev);
                 if (err) {
                         dev_err(&dev->dev,
                                 "%s: failed to host gk20a for ioctl cmd: 0x%x",
@@ -2086,10 +2084,10 @@ long gk20a_channel_ioctl(struct file *filp,
                 }
                 err = gk20a_channel_wait(ch,
                                 (struct nvhost_wait_args *)buf);
-                gk20a_channel_idle(dev);
+                gk20a_idle(dev);
                 break;
         case NVHOST_IOCTL_CHANNEL_ZCULL_BIND:
-                err = gk20a_channel_busy(dev);
+                err = gk20a_busy(dev);
                 if (err) {
                         dev_err(&dev->dev,
                                 "%s: failed to host gk20a for ioctl cmd: 0x%x",
@@ -2098,10 +2096,10 @@ long gk20a_channel_ioctl(struct file *filp,
                 }
                 err = gk20a_channel_zcull_bind(ch,
                                 (struct nvhost_zcull_bind_args *)buf);
-                gk20a_channel_idle(dev);
+                gk20a_idle(dev);
                 break;
         case NVHOST_IOCTL_CHANNEL_SET_ERROR_NOTIFIER:
-                err = gk20a_channel_busy(dev);
+                err = gk20a_busy(dev);
                 if (err) {
                         dev_err(&dev->dev,
                                 "%s: failed to host gk20a for ioctl cmd: 0x%x",
@@ -2110,11 +2108,11 @@ long gk20a_channel_ioctl(struct file *filp,
                 }
                 err = gk20a_init_error_notifier(ch,
                                 (struct nvhost_set_error_notifier *)buf);
-                gk20a_channel_idle(dev);
+                gk20a_idle(dev);
                 break;
 #ifdef CONFIG_GK20A_CYCLE_STATS
         case NVHOST_IOCTL_CHANNEL_CYCLE_STATS:
-                err = gk20a_channel_busy(dev);
+                err = gk20a_busy(dev);
                 if (err) {
                         dev_err(&dev->dev,
                                 "%s: failed to host gk20a for ioctl cmd: 0x%x",
@@ -2123,7 +2121,7 @@ long gk20a_channel_ioctl(struct file *filp,
                 }
                 err = gk20a_channel_cycle_stats(ch,
                                 (struct nvhost_cycle_stats_args *)buf);
-                gk20a_channel_idle(dev);
+                gk20a_idle(dev);
                 break;
 #endif
         case NVHOST_IOCTL_CHANNEL_SET_TIMEOUT:
@@ -2153,7 +2151,7 @@ long gk20a_channel_ioctl(struct file *filp,
                         ch->has_timedout;
                 break;
         case NVHOST_IOCTL_CHANNEL_SET_PRIORITY:
-                err = gk20a_channel_busy(dev);
+                err = gk20a_busy(dev);
                 if (err) {
                         dev_err(&dev->dev,
                                 "%s: failed to host gk20a for ioctl cmd: 0x%x",
@@ -2162,7 +2160,7 @@ long gk20a_channel_ioctl(struct file *filp,
                 }
                 gk20a_channel_set_priority(ch,
                         ((struct nvhost_set_priority_args *)buf)->priority);
-                gk20a_channel_idle(dev);
+                gk20a_idle(dev);
                 break;
         default:
                 dev_err(&dev->dev, "unrecognized ioctl cmd: 0x%x", cmd);