gpu: nvgpu: Move can_railgate & railgate_delay to gk20a

Copy can_railgate and railgate_delay to struct gk20a at probe time,
and access them from gk20a instead of platform_gk20a.

JIRA NVGPU-16

Change-Id: I63d4f4aff7eb17a167775fd7982a1b548bbca3a5
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1463543
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/debug_gk20a.c b/drivers/gpu/nvgpu/gk20a/debug_gk20a.c
index cd5c646f..f863b056 100644
--- a/drivers/gpu/nvgpu/gk20a/debug_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/debug_gk20a.c
@@ -285,8 +285,9 @@ int gk20a_railgating_debugfs_init(struct device *dev)
 {
         struct dentry *d;
         struct gk20a_platform *platform = dev_get_drvdata(dev);
+        struct gk20a *g = get_gk20a(dev);
 
-        if (!platform->can_railgate)
+        if (!g->can_railgate)
                 return 0;
 
         d = debugfs_create_file(