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gpu: nvgpu: store bus addr of gpu regs

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Usermode submit needs to access the usermode region of registers from
userspace. Store the start address of register resource in struct
nvgpu_os_linux to be used in remap to userspace.

Bug 200145225
Bug 200541476

Change-Id: I3796b6bf67942af0cc16c86accb82a013032bfc8
Signed-off-by: Konsta Holtta <kholtta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1811838
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
(cherry picked from commit 38c11db264
in dev-main)
Reviewed-on: https://git-master.nvidia.com/r/2169921
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Konsta Holtta
2018-09-11 14:35:09 +03:00
committed by mobile promotions
parent 58ee7561f7
commit eca2cf043e
4 changed files with 28 additions and 0 deletions
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drivers/gpu/nvgpu/os/linux/module.h
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@@ -29,6 +29,7 @@ void __iomem *nvgpu_devm_ioremap_resource(struct platform_device *dev, int i,
struct resource **out);
void __iomem *nvgpu_devm_ioremap(struct device *dev, resource_size_t offset,
resource_size_t size);
u64 nvgpu_resource_addr(struct platform_device *dev, int i);
extern struct class nvgpu_class;
#endif