gpu: nvgpu: Add class numbers to characteristics

Some kernel APIs rely on user space knowing class numbers. Allow
querying the numbers from kernel.

Bug 1567274

Change-Id: Idec2fe8ee983ee74bcbf9dfc98f71bbcc1492cfb
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: http://git-master/r/594402

1 files changed, 11 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/hal_gk20a.c b/drivers/gpu/nvgpu/gk20a/hal_gk20a.c
index 7000f682..ada2f034 100644
--- a/drivers/gpu/nvgpu/gk20a/hal_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/hal_gk20a.c
@@ -45,8 +45,11 @@ static struct gpu_ops gk20a_ops = {
         }
 };
 
-int gk20a_init_hal(struct gpu_ops *gops)
+int gk20a_init_hal(struct gk20a *g)
 {
+        struct gpu_ops *gops = &g->ops;
+        struct nvgpu_gpu_characteristics *c = &g->gpu_characteristics;
+
         *gops = gk20a_ops;
         gops->privsecurity = 0;
         gk20a_init_mc(gops);
@@ -61,5 +64,12 @@ int gk20a_init_hal(struct gpu_ops *gops)
         gk20a_init_regops(gops);
         gops->name = "gk20a";
 
+        c->twod_class = FERMI_TWOD_A;
+        c->threed_class = KEPLER_C;
+        c->compute_class = KEPLER_COMPUTE_A;
+        c->gpfifo_class = KEPLER_CHANNEL_GPFIFO_C;
+        c->inline_to_memory_class = KEPLER_INLINE_TO_MEMORY_A;
+        c->dma_copy_class = KEPLER_DMA_COPY_A;
+
         return 0;
 }