gpu: nvgpu: Add DT support for gpu power-domain

First, defining a new structure to support gk20a
power domain. Then making necessary modifications
to add so as to add DT support for gpu power-domain.

bug 200070810

Change-Id: I29e1c24b181e14743d3969103abfd1882d171f07
Signed-off-by: Sumit Singh <sumsingh@nvidia.com>
Reviewed-on: http://git-master/r/668973
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 4fac3cc5..b9bdc6e6 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -504,8 +504,6 @@ struct gk20a {
         u32 max_ltc_count;
         u32 ltc_count;
 
-        struct generic_pm_domain pd;
-
         struct devfreq *devfreq;
 
         struct gk20a_scale_profile *scale_profile;
@@ -556,6 +554,11 @@ struct gk20a_cyclestate_buffer_elem {
         u64 data;
 };
 
+struct gk20a_domain_data {
+        struct generic_pm_domain gpd;
+        struct gk20a *gk20a;
+};
+
 /* debug accessories */
 
 #ifdef CONFIG_DEBUG_FS