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, 3 insertions, 5 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.c b/drivers/gpu/nvgpu/gk20a/gk20a.c
index 7f110821..ea03ba98 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.c
@@ -397,15 +397,13 @@ void gk20a_driver_start_unload(struct gk20a *g)
 int gk20a_wait_for_idle(struct device *dev)
 {
         struct gk20a *g = get_gk20a(dev);
-        struct gk20a_platform *platform;
         int wait_length = 150; /* 3 second overall max wait. */
         int target_usage_count = 0;
 
         if (!g)
                 return -ENODEV;
 
-        platform = dev_get_drvdata(dev);
-        if (platform->user_railgate_disabled)
+        if (g->user_railgate_disabled)
                 target_usage_count = 1;
 
         while ((atomic_read(&g->usage_count) != target_usage_count)
@@ -467,7 +465,7 @@ int gk20a_init_gpu_characteristics(struct gk20a *g)
          * that depends on job tracking. (Here, fast means strictly no
          * metadata, just the gpfifo contents are copied and gp_put updated).
          */
-        if (!platform->can_railgate)
+        if (!g->can_railgate)
                 gpu->flags |= NVGPU_GPU_FLAGS_SUPPORT_DETERMINISTIC_SUBMIT_NO_JOBTRACKING;
 
         /*
@@ -476,7 +474,7 @@ int gk20a_init_gpu_characteristics(struct gk20a *g)
          * provided that the user doesn't request anything that depends on
          * deferred cleanup.
          */
-        if (!platform->can_railgate
+        if (!g->can_railgate
             && !gk20a_channel_sync_needs_sync_framework(g))
                 gpu->flags |= NVGPU_GPU_FLAGS_SUPPORT_DETERMINISTIC_SUBMIT_FULL;