gpu: nvgpu: Do not wait for FE idle on linsim

Waiting for FE idle hangs on simulation, so skip it.

Change-Id: I4f49eab725fcf2eb0b8340040a79731e16a1a0a0
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/394053
Reviewed-on: http://git-master/r/396374
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Arto Merilainen <amerilainen@nvidia.com>
Reviewed-by: Kevin Huang (Eng-SW) <kevinh@nvidia.com>
Reviewed-by: Bo Yan <byan@nvidia.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
index 5eaa4d64..aedd2055 100644
--- a/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gr_gk20a.c
@@ -328,6 +328,9 @@ static int gr_gk20a_wait_fe_idle(struct gk20a *g, unsigned long end_jiffies,
         u32 val;
         u32 delay = expect_delay;
 
+        if (tegra_platform_is_linsim())
+                return 0;
+
         gk20a_dbg_fn("");
 
         do {