1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/common/linux/platform_gk20a.h b/drivers/gpu/nvgpu/common/linux/platform_gk20a.h
index cdb221eb..07e72247 100644
--- a/drivers/gpu/nvgpu/common/linux/platform_gk20a.h
+++ b/drivers/gpu/nvgpu/common/linux/platform_gk20a.h
@@ -242,6 +242,12 @@ struct gk20a_platform {
         /* unified or split memory with separate vidmem? */
         bool unified_memory;
 
+        /*
+         * DMA mask for Linux (both coh and non-coh). If not set defaults to
+         * 0x3ffffffff (i.e a 34 bit mask).
+         */
+        u64 dma_mask;
+
         /* minimum supported VBIOS version */
         u32 vbios_min_version;