gpu: nvgpu: Remove support for old kernel version

Remove support for pre-4.4 kernels. This allows deleting the checks
for kernel version, and usage of linux/version.h.

Change-Id: I4d6cb30512ea164d27549f4f4d096e5931bb1379
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1543499
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 0 insertions, 5 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
index e21be1e5..2ce78cef 100644
--- a/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
+++ b/drivers/gpu/nvgpu/gk20a/mm_gk20a.c
@@ -1056,7 +1056,6 @@ static const struct dma_buf_ops gk20a_vidbuf_ops = {
 
 static struct dma_buf *gk20a_vidbuf_export(struct gk20a_vidmem_buf *buf)
 {
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 4, 0)
         DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
 
         exp_info.priv = buf;
@@ -1065,10 +1064,6 @@ static struct dma_buf *gk20a_vidbuf_export(struct gk20a_vidmem_buf *buf)
         exp_info.flags = O_RDWR;
 
         return dma_buf_export(&exp_info);
-#else
-        return dma_buf_export(buf, &gk20a_vidbuf_ops, buf->mem->size,
-                        O_RDWR, NULL);
-#endif
 }
 #endif