gpu: nvgpu: Move time correlation to common code

Time correlation does not have chip or OS specific dependencies, so
move it to generic new source file bus.c.

JIRA NVGPU-38

Change-Id: Ic7fdf8c9ccacf05baf1b3438a86b28e517093641
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1505171
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gm20b/bus_gm20b.c b/drivers/gpu/nvgpu/gm20b/bus_gm20b.c
index 39778c55..11c11e23 100644
--- a/drivers/gpu/nvgpu/gm20b/bus_gm20b.c
+++ b/drivers/gpu/nvgpu/gm20b/bus_gm20b.c
@@ -14,6 +14,7 @@
  */
 
 #include <nvgpu/timers.h>
+#include <nvgpu/bus.h>
 
 #include "bus_gm20b.h"
 #include "gk20a/gk20a.h"
@@ -58,6 +59,6 @@ void gm20b_init_bus(struct gpu_ops *gops)
         gops->bus.init_hw = gk20a_bus_init_hw;
         gops->bus.isr = gk20a_bus_isr;
         gops->bus.read_ptimer = gk20a_read_ptimer;
-        gops->bus.get_timestamps_zipper = gk20a_get_timestamps_zipper;
+        gops->bus.get_timestamps_zipper = nvgpu_get_timestamps_zipper;
         gops->bus.bar1_bind = gm20b_bus_bar1_bind;
 }