gpu: nvgpu: GPU characteristics additions

Add the following info into GPU characteristics: available big page
sizes, support indicators for sync fence fds and cycle stats, gpc
mask, SM version, SM SPA version and warp count, and IOCTL interface
levels. Also, add new IOCTL to fetch TPC masks.

Bug 1551769
Bug 1558186

Change-Id: I8a47d882645f29c7bf0c8f74334ebf47240e41de
Signed-off-by: Sami Kiminki <skiminki@nvidia.com>
Reviewed-on: http://git-master/r/562904
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>

1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gm20b/gr_gm20b.c b/drivers/gpu/nvgpu/gm20b/gr_gm20b.c
index d40e9d52..8f056181 100644
--- a/drivers/gpu/nvgpu/gm20b/gr_gm20b.c
+++ b/drivers/gpu/nvgpu/gm20b/gr_gm20b.c
@@ -748,6 +748,18 @@ static int gr_gm20b_load_ctxsw_ucode(struct gk20a *g)
 
 #endif
 
+static void gr_gm20b_detect_sm_arch(struct gk20a *g)
+{
+        u32 v = gk20a_readl(g, gr_gpc0_tpc0_sm_arch_r());
+
+        g->gpu_characteristics.sm_arch_spa_version =
+                gr_gpc0_tpc0_sm_arch_spa_version_v(v);
+        g->gpu_characteristics.sm_arch_sm_version =
+                gr_gpc0_tpc0_sm_arch_sm_version_v(v);
+        g->gpu_characteristics.sm_arch_warp_count =
+                gr_gpc0_tpc0_sm_arch_warp_count_v(v);
+}
+
 void gm20b_init_gr(struct gpu_ops *gops)
 {
         gops->gr.init_gpc_mmu = gr_gm20b_init_gpc_mmu;
@@ -781,4 +793,5 @@ void gm20b_init_gr(struct gpu_ops *gops)
         gops->gr.get_zcull_info = gr_gk20a_get_zcull_info;
         gops->gr.is_tpc_addr = gr_gm20b_is_tpc_addr;
         gops->gr.get_tpc_num = gr_gm20b_get_tpc_num;
+        gops->gr.detect_sm_arch = gr_gm20b_detect_sm_arch;
 }