nvgpu: vgpu: create fifo.force_reset_ch in gpu_ops

gk20a_fifo_force_reset_ch() does not support vgpu now, so we need to
create a function pointer in gpu_ops and assign it differently for
vgpu and non-vgpu.

Bug 200184349

Change-Id: I5f8f4f731b4b970c4ff8de65531f25568e7691b6
Signed-off-by: Haley Teng <hteng@nvidia.com>
Reviewed-on: http://git-master/r/1130420
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Tested-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/fifo_vgpu.c b/drivers/gpu/nvgpu/vgpu/fifo_vgpu.c
index dc82d57b..66b5e410 100644
--- a/drivers/gpu/nvgpu/vgpu/fifo_vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/fifo_vgpu.c
@@ -585,6 +585,17 @@ static int vgpu_channel_set_timeslice(struct channel_gk20a *ch, u32 timeslice)
         return err ? err : msg.ret;
 }
 
+static int vgpu_fifo_force_reset_ch(struct channel_gk20a *ch, bool verbose)
+{
+        gk20a_dbg_fn("");
+
+        if (verbose)
+                gk20a_warn(dev_from_gk20a(ch->g),
+                        "channel force reset is not supported");
+
+        return -ENOSYS;
+}
+
 static void vgpu_fifo_set_ctx_mmu_error(struct gk20a *g,
                 struct channel_gk20a *ch)
 {
@@ -664,6 +675,7 @@ void vgpu_init_fifo_ops(struct gpu_ops *gops)
 {
         gops->fifo.bind_channel = vgpu_channel_bind;
         gops->fifo.unbind_channel = vgpu_channel_unbind;
+        gops->fifo.enable_channel = NULL;
         gops->fifo.disable_channel = vgpu_channel_disable;
         gops->fifo.alloc_inst = vgpu_channel_alloc_inst;
         gops->fifo.free_inst = vgpu_channel_free_inst;
@@ -674,4 +686,5 @@ void vgpu_init_fifo_ops(struct gpu_ops *gops)
         gops->fifo.channel_set_priority = vgpu_channel_set_priority;
         gops->fifo.set_runlist_interleave = vgpu_fifo_set_runlist_interleave;
         gops->fifo.channel_set_timeslice = vgpu_channel_set_timeslice;
+        gops->fifo.force_reset_ch = vgpu_fifo_force_reset_ch;
 }