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/clk_gk20a.h b/drivers/gpu/nvgpu/gk20a/clk_gk20a.h
index 255c1a7c..c766fc46 100644
--- a/drivers/gpu/nvgpu/gk20a/clk_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/clk_gk20a.h
@@ -77,6 +77,13 @@ struct clk_gk20a {
         bool debugfs_set;
 };
 
+struct gpu_ops;
+#ifdef CONFIG_TEGRA_CLK_FRAMEWORK
+void gk20a_init_clk_ops(struct gpu_ops *gops);
+#else
+static inline void gk20a_init_clk_ops(struct gpu_ops *gops) {}
+#endif
+
 /* APIs used for both GK20A and GM20B */
 unsigned long gk20a_clk_get_rate(struct gk20a *g);
 int gk20a_clk_set_rate(struct gk20a *g, unsigned long rate);