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, 4 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 626ed2bd..6d1707a6 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -1023,6 +1023,10 @@ struct gk20a {
 
         u32 ptimer_src_freq;
 
+        bool can_railgate;
+        bool user_railgate_disabled;
+        int railgate_delay;
+
         unsigned int aggressive_sync_destroy_thresh;
         bool aggressive_sync_destroy;