gpu: nvgpu: Disable init_preemption_state on dGPU

Discrete GPU does not have clocks wired correctly. They're needed to
be able to calculate correct preemption timeout, so disable setting
the timeout.

Change-Id: I14a6d262f6b004d40432a4e026c5558303aa90a4
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/1176904
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Tested-by: Mahantesh Kumbar <mkumbar@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gp106/gr_gp106.c b/drivers/gpu/nvgpu/gp106/gr_gp106.c
index d54a2089..9d6ce6ec 100644
--- a/drivers/gpu/nvgpu/gp106/gr_gp106.c
+++ b/drivers/gpu/nvgpu/gp106/gr_gp106.c
@@ -109,4 +109,5 @@ void gp106_init_gr(struct gpu_ops *gops)
         gops->gr.pagepool_default_size = gr_gp106_pagepool_default_size;
         gops->gr.handle_sw_method = gr_gp106_handle_sw_method;
         gops->gr.cb_size_default = gr_gp106_cb_size_default;
+        gops->gr.init_preemption_state = NULL;
 }