gpu: nvgpu: use platform data for ptimer source rate

Instead of depending on clock frame-work, use platform data
for ptimer source rate. Removed ptimerscaling10x platform
data, and use ptimer source frequency to calculate
ptimerscaling factor.

Reviewed-on: http://git-master/r/819030
(cherry picked from commit dd291334d54dab80cab7eb1656dffc48a59610b4)

Change-Id: I7638ce9875a6e440bbfc2ba2da0d0b094b2700ff
Signed-off-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
Reviewed-on: http://git-master/r/827300
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
index 5eba9f12..f6f0cb1d 100644
--- a/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/fifo_gk20a.c
@@ -410,7 +410,8 @@ int gk20a_init_fifo_reset_enable_hw(struct gk20a *g)
                 g->ops.fifo.apply_pb_timeout(g);
 
         timeout = GRFIFO_TIMEOUT_CHECK_PERIOD_US;
-        timeout = scale_ptimer(timeout, platform->ptimerscaling10x);
+        timeout = scale_ptimer(timeout,
+                ptimer_scalingfactor10x(platform->ptimer_src_freq));
         timeout |= fifo_eng_timeout_detection_enabled_f();
         gk20a_writel(g, fifo_eng_timeout_r(), timeout);