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, 5 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/platform_gk20a_generic.c b/drivers/gpu/nvgpu/gk20a/platform_gk20a_generic.c
index ee176b8b..78132320 100644
--- a/drivers/gpu/nvgpu/gk20a/platform_gk20a_generic.c
+++ b/drivers/gpu/nvgpu/gk20a/platform_gk20a_generic.c
@@ -112,19 +112,19 @@ static int gk20a_generic_probe(struct platform_device *dev)
 
 static int gk20a_generic_late_probe(struct platform_device *dev)
 {
-        struct gk20a_platform *platform = gk20a_get_platform(dev);
+        struct generic_pm_domain *gpd = dev_to_genpd(&dev->dev);
 
-        /* Make gk20a power domain a subdomain of mc */
-        tegra_pd_add_sd(&platform->g->pd);
+        /* Make gk20a power domain a subdomain of host1x */
+        tegra_pd_add_sd(gpd);
 
         return 0;
 }
 
 static int gk20a_generic_remove(struct platform_device *dev)
 {
-        struct gk20a_platform *platform = gk20a_get_platform(dev);
+        struct generic_pm_domain *gpd = dev_to_genpd(&dev->dev);
 
-        tegra_pd_remove_sd(&platform->g->pd);
+        tegra_pd_remove_sd(gpd);
 
         return 0;
 }