gpu: nvgpu: vgpu: enable subctx for gv11b

Add vgpu_gv11b_init_gpu_characteristics() and enable
NVGPU_SUPPORT_TSG_SUBCONTEXTS

Jira VFND-3797
Jira EVLR-1751

Change-Id: I288ac062e42ec399a302d693471b50b58c9a2653
Signed-off-by: Thomas Fleury <tfleury@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1543015
Reviewed-by: Richard Zhao <rizhao@nvidia.com>
Reviewed-by: Seshendra Gadagottu <sgadagottu@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

4 files changed, 64 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/Makefile b/drivers/gpu/nvgpu/Makefile
index 077dc4cf..e8ef3688 100644
--- a/drivers/gpu/nvgpu/Makefile
+++ b/drivers/gpu/nvgpu/Makefile
@@ -38,6 +38,7 @@ nvgpu-$(CONFIG_TEGRA_GK20A_NVHOST) += common/linux/nvhost_t19x.o
 
 nvgpu-$(CONFIG_TEGRA_GR_VIRTUALIZATION) += \
         vgpu/gv11b/platform_gv11b_vgpu_tegra.o \
+        vgpu/gv11b/vgpu_gv11b.o \
         vgpu/gv11b/vgpu_hal_gv11b.o \
         vgpu/gv11b/vgpu_gr_gv11b.o \
         vgpu/gv11b/vgpu_fifo_gv11b.o \
diff --git a/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_gv11b.c b/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_gv11b.c
new file mode 100644
index 00000000..db3dfaf4
--- /dev/null
+++ b/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_gv11b.c
@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2017, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#include "gk20a/gk20a.h"
+
+#include <nvgpu/enabled.h>
+#include <nvgpu/enabled_t19x.h>
+
+#include "vgpu/vgpu.h"
+#include "vgpu_gv11b.h"
+
+int vgpu_gv11b_init_gpu_characteristics(struct gk20a *g)
+{
+        int err;
+
+        gk20a_dbg_fn("");
+
+
+        nvgpu_err(g, "g->gpu_characteristics.flags=%llx",
+                g->gpu_characteristics.flags);
+        err = vgpu_init_gpu_characteristics(g);
+        if (err) {
+                nvgpu_err(g, "vgpu_init_gpu_characteristics failed, err %d\n", err);
+                return err;
+        }
+
+        __nvgpu_set_enabled(g, NVGPU_SUPPORT_TSG_SUBCONTEXTS, true);
+
+        return 0;
+}
diff --git a/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_gv11b.h b/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_gv11b.h
new file mode 100644
index 00000000..9413904b
--- /dev/null
+++ b/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_gv11b.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2017, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ */
+
+#ifndef _VGPU_GV11B_H_
+#define _VGPU_GV11B_H_
+
+struct gk20a;
+
+int vgpu_gv11b_init_gpu_characteristics(struct gk20a *g);
+
+#endif
diff --git a/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_hal_gv11b.c b/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_hal_gv11b.c
index 56360af4..5adb8ecd 100644
--- a/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_hal_gv11b.c
+++ b/drivers/gpu/nvgpu/vgpu/gv11b/vgpu_hal_gv11b.c
@@ -78,6 +78,7 @@
 
 #include <nvgpu/enabled.h>
 
+#include "vgpu_gv11b.h"
 #include "vgpu_gr_gv11b.h"
 #include "vgpu_fifo_gv11b.h"
 #include "vgpu_subctx_gv11b.h"
@@ -551,7 +552,7 @@ static const struct gpu_ops vgpu_gv11b_ops = {
         .priv_ring = {
                 .isr = gp10b_priv_ring_isr,
         },
-        .chip_init_gpu_characteristics = vgpu_init_gpu_characteristics,
+        .chip_init_gpu_characteristics = vgpu_gv11b_init_gpu_characteristics,
         .get_litter_value = gv11b_get_litter_value,
 };