gpu: nvgpu: Fix build without Tegra clk framework

Do not build clock code if TEGRA_CLK_FRAMEWORK is not defined. Also
make GK20A_DEVFREQ depend on TEGRA_CLK_FRAMEWORK, and build scaling
governor only if GK20A_DEVFREQ is enabled.

Bug 1567274

Change-Id: I6ea1462e7a110fb46c9d66ceda71167cff19699e
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/562475

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a_scale.h b/drivers/gpu/nvgpu/gk20a/gk20a_scale.h
index 561ecaed..81c23b68 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a_scale.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a_scale.h
@@ -37,6 +37,7 @@ struct gk20a_scale_profile {
 void gk20a_scale_init(struct platform_device *);
 void gk20a_scale_hw_init(struct platform_device *pdev);
 
+#ifdef CONFIG_GK20A_DEVFREQ
 /*
  * call when performing submit to notify scaling mechanism that the module is
  * in use
@@ -46,5 +47,11 @@ void gk20a_scale_notify_idle(struct platform_device *);
 
 void gk20a_scale_suspend(struct platform_device *);
 void gk20a_scale_resume(struct platform_device *);
+#else
+static inline void gk20a_scale_notify_busy(struct platform_device *pdev) {}
+static inline void gk20a_scale_notify_idle(struct platform_device *pdev) {}
+static inline void gk20a_scale_suspend(struct platform_device *pdev) {}
+static inline void gk20a_scale_resume(struct platform_device *pdev) {}
+#endif
 
 #endif