gpu: nvgpu: add CONFIG_PM check for do_idle()

gk20a_do_idle()/gk20a_do_unidle() should be defined
if both CONFIG_GK20A and CONFIG_PM are defined

Also, remove unused API nvhost_vpr_info_fetch()

Change-Id: I9c461bf1545b65074d8d20a274347ca306bf092a
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/1141055
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Sri Krishna Chowdary <schowdary@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 2 insertions, 6 deletions

diff --git a/include/linux/gk20a.h b/include/linux/gk20a.h
index da2e1f22..ec81faf4 100644
--- a/include/linux/gk20a.h
+++ b/include/linux/gk20a.h
@@ -24,16 +24,12 @@
 struct channel_gk20a;
 struct platform_device;
 
-#ifdef CONFIG_GK20A
-int nvhost_vpr_info_fetch(void);
+#if defined(CONFIG_GK20A) && defined(CONFIG_PM)
 int gk20a_do_idle(void);
 int gk20a_do_unidle(void);
 #else
-static inline int nvhost_vpr_info_fetch(void)
-{
-        return -ENOSYS;
-}
 static inline int gk20a_do_idle(void) { return -ENOSYS; }
 static inline int gk20a_do_unidle(void) { return -ENOSYS; }
 #endif
+
 #endif