gpu: nvgpu: make wdt timeout per-platform

Channel watchdog timeout is set to a costant value of 5s
as of now

Make this timeout platform specific and set it to 5s for gm20b
and 7s for gk20a

Bug 200133289

Change-Id: I6e7f0fed93a8d5b197ae46807131311196c6636f
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/810956
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
index 29fec4fe..e6a39b20 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
@@ -1476,8 +1476,11 @@ bool gk20a_channel_update_and_check_timeout(struct channel_gk20a *ch,
 
 static u32 gk20a_get_channel_watchdog_timeout(struct channel_gk20a *ch)
 {
-        if (ch->g->timeouts_enabled && ch->g->ch_wdt_enabled)
-                return NVGPU_CHANNEL_WATCHDOG_DEFAULT_TIMEOUT_MS;
+        struct gk20a_platform *platform = gk20a_get_platform(ch->g->dev);
+
+        if (ch->g->timeouts_enabled && ch->g->ch_wdt_enabled &&
+                                platform->ch_wdt_timeout_ms)
+                return platform->ch_wdt_timeout_ms;
         else
                 return (u32)MAX_SCHEDULE_TIMEOUT;
 }