1 files changed, 16 insertions, 2 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/gv11b/platform_gv11b_vgpu_tegra.c b/drivers/gpu/nvgpu/vgpu/gv11b/platform_gv11b_vgpu_tegra.c
index 6adbd46b..d48d1308 100644
--- a/drivers/gpu/nvgpu/vgpu/gv11b/platform_gv11b_vgpu_tegra.c
+++ b/drivers/gpu/nvgpu/vgpu/gv11b/platform_gv11b_vgpu_tegra.c
@@ -26,6 +26,8 @@
 #include "common/linux/os_linux.h"
 
 #include <nvgpu/nvhost.h>
+#include <nvgpu/nvhost_t19x.h>
+
 #include <linux/platform_device.h>
 
 static int gv11b_vgpu_probe(struct device *dev)
@@ -35,6 +37,7 @@ static int gv11b_vgpu_probe(struct device *dev)
         struct resource *r;
         void __iomem *regs;
         struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(platform->g);
+        struct gk20a *g = platform->g;
         int ret;
 
         r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "usermode");
@@ -50,11 +53,22 @@ static int gv11b_vgpu_probe(struct device *dev)
         l->t19x.usermode_regs = regs;
 
 #ifdef CONFIG_TEGRA_GK20A_NVHOST
-        ret = nvgpu_get_nvhost_dev(platform->g);
+        ret = nvgpu_get_nvhost_dev(g);
         if (ret) {
                 l->t19x.usermode_regs = NULL;
                 return ret;
         }
+
+        ret = nvgpu_nvhost_syncpt_unit_interface_get_aperture(g->nvhost_dev,
+                                                        &g->syncpt_unit_base,
+                                                        &g->syncpt_unit_size);
+        if (ret) {
+                dev_err(dev, "Failed to get syncpt interface");
+                return -ENOSYS;
+        }
+        g->syncpt_size = nvgpu_nvhost_syncpt_unit_interface_get_byte_offset(1);
+        nvgpu_info(g, "syncpt_unit_base %llx syncpt_unit_size %zx size %x\n",
+                g->syncpt_unit_base, g->syncpt_unit_size, g->syncpt_size);
 #endif
         vgpu_init_clk_support(platform->g);
 
@@ -62,7 +76,7 @@ static int gv11b_vgpu_probe(struct device *dev)
 }
 
 struct gk20a_platform gv11b_vgpu_tegra_platform = {
-        .has_syncpoints = false,
+        .has_syncpoints = true,
         .aggressive_sync_destroy_thresh = 64,
 
         /* power management configuration */