1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/platform_gk20a.h b/drivers/gpu/nvgpu/gk20a/platform_gk20a.h
index 49f386d8..4e454140 100644
--- a/drivers/gpu/nvgpu/gk20a/platform_gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/platform_gk20a.h
@@ -20,12 +20,20 @@
 
 #include <linux/platform_device.h>
 #include <linux/pm_domain.h>
+#include <linux/dma-attrs.h>
 
 struct gk20a;
 struct channel_gk20a;
 struct gr_ctx_buffer_desc;
 struct gk20a_scale_profile;
 
+struct secure_page_buffer {
+        void (*destroy)(struct platform_device *, struct secure_page_buffer *);
+        size_t size;
+        u64 iova;
+        struct dma_attrs attrs;
+};
+
 struct gk20a_platform {
 #ifdef CONFIG_TEGRA_GK20A
         u32 syncpt_base;
@@ -79,6 +87,13 @@ struct gk20a_platform {
                             struct gr_ctx_buffer_desc *desc,
                             size_t size);
 
+        /* Function to allocate a secure buffer of PAGE_SIZE at probe time.
+         * This is also helpful to trigger secure memory resizing
+         * while GPU is off
+         */
+        int (*secure_page_alloc)(struct platform_device *dev);
+        struct secure_page_buffer secure_buffer;
+
         /* Device is going to be suspended */
         int (*suspend)(struct device *);