gpu: nvgpu: Inject function addresses

Inject function addresses of gk20a_do_idle and
gk20a_do_unidle once the nvgpu module loads.

Bug 1476801

Change-Id: I67a8ae7fb654524616c2c2c710013cbc097a3f32
Signed-off-by: Yogesh Bhosale <ybhosale@nvidia.com>
Reviewed-on: http://git-master/r/785047
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.c b/drivers/gpu/nvgpu/gk20a/gk20a.c
index cdbe3c09..121e442c 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.c
@@ -39,6 +39,7 @@
 #include <linux/tegra_pm_domains.h>
 #include <linux/clk/tegra.h>
 #include <linux/kthread.h>
+#include <linux/platform/tegra/common.h>
 
 #include <linux/sched.h>
 
@@ -584,6 +585,10 @@ static void gk20a_remove_support(struct platform_device *dev)
 {
         struct gk20a *g = get_gk20a(dev);
 
+#ifdef CONFIG_TEGRA_COMMON
+        tegra_unregister_idle_unidle();
+#endif
+
         if (g->pmu.remove_support)
                 g->pmu.remove_support(&g->pmu);
 
@@ -618,6 +623,10 @@ static int gk20a_init_support(struct platform_device *dev)
         int err = 0;
         struct gk20a *g = get_gk20a(dev);
 
+#ifdef CONFIG_TEGRA_COMMON
+        tegra_register_idle_unidle(gk20a_do_idle, gk20a_do_unidle);
+#endif
+
         g->regs = gk20a_ioremap_resource(dev, GK20A_BAR0_IORESOURCE_MEM,
                                          &g->reg_mem);
         if (IS_ERR(g->regs)) {