gpu: nvgpu: Fix build with Tegra DVFS disabled

Avoid using Tegra DVFS APIs when it is not built in. This is done by
protecting the code using Tegra DVFS with #ifdef.

Change-Id: Ia50b77aba8a085f436891e522514bb2b5b717c4d
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1607583
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/sysfs.c b/drivers/gpu/nvgpu/common/linux/sysfs.c
index 053c1a12..9d2eab92 100644
--- a/drivers/gpu/nvgpu/common/linux/sysfs.c
+++ b/drivers/gpu/nvgpu/common/linux/sysfs.c
@@ -17,7 +17,9 @@
 #include <linux/device.h>
 #include <linux/pm_runtime.h>
 #include <linux/fb.h>
+#ifdef CONFIG_TEGRA_DVFS
 #include <soc/tegra/tegra-dvfs.h>
+#endif
 
 #include <nvgpu/kmem.h>
 #include <nvgpu/nvhost.h>
@@ -726,6 +728,7 @@ static ssize_t emc3d_ratio_read(struct device *dev,
 
 static DEVICE_ATTR(emc3d_ratio, ROOTRW, emc3d_ratio_read, emc3d_ratio_store);
 
+#ifdef CONFIG_TEGRA_DVFS
 static ssize_t fmax_at_vmin_safe_read(struct device *dev,
         struct device_attribute *attr, char *buf)
 {
@@ -739,6 +742,7 @@ static ssize_t fmax_at_vmin_safe_read(struct device *dev,
 }
 
 static DEVICE_ATTR(fmax_at_vmin_safe, S_IRUGO, fmax_at_vmin_safe_read, NULL);
+#endif
 
 #ifdef CONFIG_PM
 static ssize_t force_idle_store(struct device *dev,
@@ -1014,7 +1018,9 @@ void nvgpu_remove_sysfs(struct device *dev)
         device_remove_file(dev, &dev_attr_elpg_enable);
         device_remove_file(dev, &dev_attr_mscg_enable);
         device_remove_file(dev, &dev_attr_emc3d_ratio);
+#ifdef CONFIG_TEGRA_DVFS
         device_remove_file(dev, &dev_attr_fmax_at_vmin_safe);
+#endif
         device_remove_file(dev, &dev_attr_counters);
         device_remove_file(dev, &dev_attr_counters_reset);
         device_remove_file(dev, &dev_attr_load);
@@ -1061,7 +1067,9 @@ int nvgpu_create_sysfs(struct device *dev)
         error |= device_create_file(dev, &dev_attr_elpg_enable);
         error |= device_create_file(dev, &dev_attr_mscg_enable);
         error |= device_create_file(dev, &dev_attr_emc3d_ratio);
+#ifdef CONFIG_TEGRA_DVFS
         error |= device_create_file(dev, &dev_attr_fmax_at_vmin_safe);
+#endif
         error |= device_create_file(dev, &dev_attr_counters);
         error |= device_create_file(dev, &dev_attr_counters_reset);
         error |= device_create_file(dev, &dev_attr_load);