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f33935f426
Add a mmap callback on the control device node for mapping the usermode register region to userspace. Each such mapping is removed when the GPU railgates, and brought back again on unrailgate. The mapping offset must be 0 and its size must be 4 KB. Bug 200145225 Change-Id: Ie8d3758da745b958376292691d7d1d02a24e7815 Signed-off-by: Konsta Holtta <kholtta@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1795819 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>