gpu: nvgpu: add gops.fifo.channel_suspend/channel_resume

RM Server acts differently for channel suspend/resume.

Jira VQRM-3058

Change-Id: If41e3099164654db448d1157fd7f51dd00c5e201
Signed-off-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1679707
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 76413600..c7653133 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -633,6 +633,8 @@ struct gpu_ops {
                                                 bool *verbose, u32 *ms);
                 bool (*check_ch_ctxsw_timeout)(struct channel_gk20a *ch,
                                                 bool *verbose, u32 *ms);
+                int (*channel_suspend)(struct gk20a *g);
+                int (*channel_resume)(struct gk20a *g);
 #ifdef CONFIG_TEGRA_GK20A_NVHOST
                 int (*alloc_syncpt_buf)(struct channel_gk20a *c,
                                 u32 syncpt_id, struct nvgpu_mem *syncpt_buf);