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gpu: nvgpu: Fix secure buffer size for 64K PAGES

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Increment secure buffer size by 64K when page size is 64K.
This fixes the secure buffer allocation issue as otherwise the buffer
runs out of space.

Bug 2441531

Change-Id: I16741341bcaca2fee093adef4c461a42124cd928
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1943609
Reviewed-by: Rohit Khanna <rokhanna@nvidia.com>
Tested-by: Rohit Khanna <rokhanna@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Alex Waterman
2018-11-05 15:37:38 -08:00
committed by mobile promotions
parent 720402ba74
commit 4ce9c114d5
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/nvgpu/os/linux/platform_gk20a_tegra.c
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@@ -630,6 +630,9 @@ int gk20a_tegra_init_secure_alloc(struct gk20a_platform *platform)
if (nvgpu_is_enabled(g, NVGPU_IS_FMODEL))
return 0;
#if PAGE_SIZE > 4096
platform->secure_buffer_size += SZ_64K;
#endif
dma_set_attr(DMA_ATTR_NO_KERNEL_MAPPING, __DMA_ATTR(attrs));
(void)dma_alloc_attrs(&tegra_vpr_dev, platform->secure_buffer_size, &iova,
GFP_KERNEL, __DMA_ATTR(attrs));