gpu: nvgpu: add g->fifo_eng_timeout_us

Add g->fifo_eng_timeout_us to define engine timeout in microseconds.
It is initialized with GRFIFO_TIMEOUT_CHECK_PERIOD_US. In RM server
case, it can be overriden with value defined in device tree.

Jira EVLR-2674

Change-Id: I69ac2ce779fe575566c8ba48e8cd2d0e6b2d93cf
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1728391
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gv11b/fifo_gv11b.c b/drivers/gpu/nvgpu/gv11b/fifo_gv11b.c
index fd014971..fdd9ecf0 100644
--- a/drivers/gpu/nvgpu/gv11b/fifo_gv11b.c
+++ b/drivers/gpu/nvgpu/gv11b/fifo_gv11b.c
@@ -1231,7 +1231,7 @@ int gv11b_init_fifo_reset_enable_hw(struct gk20a *g)
 
         if (nvgpu_platform_is_silicon(g)) {
                 /* enable ctxsw timeout */
-                timeout = GRFIFO_TIMEOUT_CHECK_PERIOD_US;
+                timeout = g->fifo_eng_timeout_us;
                 timeout = scale_ptimer(timeout,
                         ptimer_scalingfactor10x(g->ptimer_src_freq));
                 timeout |= fifo_eng_ctxsw_timeout_detection_enabled_f();