DNI: gpu: nvgpu: Increase GV100 ctxsw timeouts

During bringup and before nvlink is up GV100 on the DDPX platform operates
with a very, very slow sysmem link. In order to get sysmem test to pass
it is neccesary to significantly increase most timeouts by an order the
magnitude.

Bug 2040544

Change-Id: I26858afde4ae80c70f86b47cfff674b6b00b5bf8
Signed-off-by: David Nieto <dmartineznie@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1627417
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gv100/fifo_gv100.c b/drivers/gpu/nvgpu/gv100/fifo_gv100.c
index 79862f6b..0227720d 100644
--- a/drivers/gpu/nvgpu/gv100/fifo_gv100.c
+++ b/drivers/gpu/nvgpu/gv100/fifo_gv100.c
@@ -22,9 +22,12 @@
  * DEALINGS IN THE SOFTWARE.
  */
 
+#include "gk20a/gk20a.h"
 #include "fifo_gv100.h"
+#include <nvgpu/timers.h>
 
 #include <nvgpu/hw/gv100/hw_ccsr_gv100.h>
+#include <nvgpu/hw/gk20a/hw_fifo_gk20a.h>
 
 #define DEFAULT_FIFO_PREEMPT_TIMEOUT 0x3FFFFFUL
 
@@ -38,3 +41,14 @@ u32 gv100_fifo_get_preempt_timeout(struct gk20a *g)
         return DEFAULT_FIFO_PREEMPT_TIMEOUT;
 }
 
+void gv100_apply_ctxsw_timeout_intr(struct gk20a *g)
+{
+        u32 timeout;
+
+        timeout = g->ch_wdt_timeout_ms*1000;
+        timeout = scale_ptimer(timeout,
+                ptimer_scalingfactor10x(g->ptimer_src_freq));
+        timeout |= fifo_eng_timeout_detection_enabled_f();
+        gk20a_writel(g, fifo_eng_timeout_r(), timeout);
+}
+