1 files changed, 10 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
index 2ba160dd..21a3bec5 100644
--- a/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/channel_gk20a.c
@@ -467,6 +467,11 @@ static int gk20a_channel_cycle_stats(struct channel_gk20a *ch,
         struct dma_buf *dmabuf;
         void *virtual_address;
 
+        /* is it allowed to handle calls for current GPU? */
+        if (0 == (ch->g->gpu_characteristics.flags &
+                        NVGPU_GPU_FLAGS_SUPPORT_CYCLE_STATS))
+                return -ENOSYS;
+
         if (args->dmabuf_fd && !ch->cyclestate.cyclestate_buffer_handler) {
 
                 /* set up new cyclestats buffer */
@@ -556,6 +561,11 @@ static int gk20a_channel_cycle_stats_snapshot(struct channel_gk20a *ch,
 {
         int ret;
 
+        /* is it allowed to handle calls for current GPU? */
+        if (0 == (ch->g->gpu_characteristics.flags &
+                        NVGPU_GPU_FLAGS_SUPPORT_CYCLE_STATS_SNAPSHOT))
+                return -ENOSYS;
+
         if (!args->dmabuf_fd)
                 return -EINVAL;