gpu: nvgpu: add read and ioctl for events

Add support for poll/read/ioctl for events in clock
arbiter.

Jira DNVGPU-186

Change-Id: Id95264fffae2b83a388ff8f186ebe7d723029b7f
Reviewed-on: http://git-master/r/1253659
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
(cherry picked from commit 8d652a7313722aab331f82f0841b490ca25cb51d)
Reviewed-on: http://git-master/r/1280885
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gp106/hal_gp106.c b/drivers/gpu/nvgpu/gp106/hal_gp106.c
index 0badd0a1..1167ad6a 100644
--- a/drivers/gpu/nvgpu/gp106/hal_gp106.c
+++ b/drivers/gpu/nvgpu/gp106/hal_gp106.c
@@ -201,7 +201,8 @@ int gp106_init_gpu_characteristics(struct gk20a *g)
         gpu->flags |= NVGPU_GPU_FLAGS_SUPPORT_GET_VOLTAGE |
                         NVGPU_GPU_FLAGS_SUPPORT_GET_CURRENT |
                         NVGPU_GPU_FLAGS_SUPPORT_GET_POWER |
-                        NVGPU_GPU_FLAGS_SUPPORT_GET_TEMPERATURE;
+                        NVGPU_GPU_FLAGS_SUPPORT_GET_TEMPERATURE |
+                        NVGPU_GPU_FLAGS_SUPPORT_DEVICE_EVENTS;
 
         return 0;
 }