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path: root/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c
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Diffstat (limited to 'drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c')
-rw-r--r--drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c b/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c
index 28f82816..148496dd 100644
--- a/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c
+++ b/drivers/gpu/nvgpu/gk20a/platform_gk20a_tegra.c
@@ -135,6 +135,7 @@ static int gk20a_tegra_secure_alloc(struct platform_device *pdev,
135 struct gr_ctx_buffer_desc *desc, 135 struct gr_ctx_buffer_desc *desc,
136 size_t size) 136 size_t size)
137{ 137{
138 struct gk20a_platform *platform = platform_get_drvdata(pdev);
138 struct device *dev = &pdev->dev; 139 struct device *dev = &pdev->dev;
139 DEFINE_DMA_ATTRS(attrs); 140 DEFINE_DMA_ATTRS(attrs);
140 dma_addr_t iova; 141 dma_addr_t iova;
@@ -142,6 +143,9 @@ static int gk20a_tegra_secure_alloc(struct platform_device *pdev,
142 struct page *page; 143 struct page *page;
143 int err = 0; 144 int err = 0;
144 145
146 if (!platform->secure_alloc_ready)
147 return -EINVAL;
148
145 (void)dma_alloc_attrs(&tegra_vpr_dev, size, &iova, 149 (void)dma_alloc_attrs(&tegra_vpr_dev, size, &iova,
146 DMA_MEMORY_NOMAP, &attrs); 150 DMA_MEMORY_NOMAP, &attrs);
147 if (dma_mapping_error(&tegra_vpr_dev, iova)) 151 if (dma_mapping_error(&tegra_vpr_dev, iova))