7 files changed, 43 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/driver_common.c b/drivers/gpu/nvgpu/common/linux/driver_common.c
index b7444a9e..0dd0d62c 100644
--- a/drivers/gpu/nvgpu/common/linux/driver_common.c
+++ b/drivers/gpu/nvgpu/common/linux/driver_common.c
@@ -274,3 +274,15 @@ void nvgpu_wait_for_deferred_interrupts(struct gk20a *g)
                                 atomic_read(&l->sw_irq_nonstall_last_handled))
                    <= 0, 0);
 }
+
+static void nvgpu_free_gk20a(struct gk20a *g)
+{
+        struct nvgpu_os_linux *l = nvgpu_os_linux_from_gk20a(g);
+
+        kfree(l);
+}
+
+void nvgpu_init_gk20a(struct gk20a *g)
+{
+        g->free = nvgpu_free_gk20a;
+}
diff --git a/drivers/gpu/nvgpu/common/linux/driver_common.h b/drivers/gpu/nvgpu/common/linux/driver_common.h
new file mode 100644
index 00000000..6f42f775
--- /dev/null
+++ b/drivers/gpu/nvgpu/common/linux/driver_common.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2016-2017, 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NVGPU_LINUX_DRIVER_COMMON
+#define NVGPU_LINUX_DRIVER_COMMON
+
+void nvgpu_init_gk20a(struct gk20a *g);
+
+#endif
diff --git a/drivers/gpu/nvgpu/common/linux/module.c b/drivers/gpu/nvgpu/common/linux/module.c
index 4aff6a2d..4841b032 100644
--- a/drivers/gpu/nvgpu/common/linux/module.c
+++ b/drivers/gpu/nvgpu/common/linux/module.c
@@ -53,6 +53,7 @@
 #include "cde_gm20b.h"
 #include "cde_gp10b.h"
 #include "ctxsw_trace.h"
+#include "driver_common.h"
 
 #define CLASS_NAME "nvidia-gpu"
 /* TODO: Change to e.g. "nvidia-gpu%s" once we have symlinks in place. */
@@ -1027,6 +1028,7 @@ static int gk20a_probe(struct platform_device *dev)
         }
 
         gk20a = &l->g;
+        nvgpu_init_gk20a(gk20a);
         set_gk20a(dev, gk20a);
         l->dev = &dev->dev;
         gk20a->log_mask = NVGPU_DEFAULT_DBG_MASK;
diff --git a/drivers/gpu/nvgpu/common/linux/pci.c b/drivers/gpu/nvgpu/common/linux/pci.c
index 118567e5..296d0a7c 100644
--- a/drivers/gpu/nvgpu/common/linux/pci.c
+++ b/drivers/gpu/nvgpu/common/linux/pci.c
@@ -37,6 +37,7 @@
 #endif
 
 #include "os_linux.h"
+#include "driver_common.h"
 
 #define PCI_INTERFACE_NAME "card-%s%%s"
 
@@ -457,6 +458,7 @@ static int nvgpu_pci_probe(struct pci_dev *pdev,
         }
 
         g = &l->g;
+        nvgpu_init_gk20a(g);
 
         nvgpu_kmem_init(g);
 
diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.c b/drivers/gpu/nvgpu/gk20a/gk20a.c
index f71a51fd..e8db9d2c 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.c
@@ -518,7 +518,8 @@ static void gk20a_free_cb(struct nvgpu_ref *refcount)
         if (g->remove_support)
                 g->remove_support(g);
 
-        kfree(g);
+        if (g->free)
+                g->free(g);
 }
 
 /**
diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 7e7d9688..5b22d1a4 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -1070,6 +1070,7 @@ struct nvgpu_gpu_params {
 };
 
 struct gk20a {
+        void (*free)(struct gk20a *g);
         struct nvgpu_nvhost_dev *nvhost_dev;
 
         /*
diff --git a/drivers/gpu/nvgpu/vgpu/vgpu.c b/drivers/gpu/nvgpu/vgpu/vgpu.c
index 93f9eaf4..2cd99e8c 100644
--- a/drivers/gpu/nvgpu/vgpu/vgpu.c
+++ b/drivers/gpu/nvgpu/vgpu/vgpu.c
@@ -47,6 +47,7 @@
 #include "common/linux/os_linux.h"
 #include "common/linux/ioctl.h"
 #include "common/linux/scale.h"
+#include "common/linux/driver_common.h"
 
 #ifdef CONFIG_TEGRA_19x_GPU
 #include <vgpu/vgpu_t19x.h>
@@ -657,6 +658,7 @@ int vgpu_probe(struct platform_device *pdev)
                 return -ENOMEM;
         }
         gk20a = &l->g;
+        nvgpu_init_gk20a(gk20a);
 
         nvgpu_kmem_init(gk20a);