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authorKonsta Holtta <kholtta@nvidia.com>2018-05-18 04:35:29 -0400
committermobile promotions <svcmobile_promotions@nvidia.com>2018-06-20 15:25:45 -0400
commit819f32bdf119ebf4d758a901c9a22c2c4a7d167a (patch)
tree0dd9760b4788cb3e287750c62a43e89366eb38b5 /drivers/gpu/nvgpu/boardobj/boardobj.c
parent0ca69a482d15ccf22bacccc4964606969df144f6 (diff)
gpu: nvgpu: abstract away ioctl gpfifo read
The biggest remaining Linuxism in the submit path is the copy_from_user() calls for reading the gpfifo entries to the HW-visible buffer. Abstract away the copy of one such segment starting at some offset and keep the wraparound logic and vidmem proxy in the core submit path. Jira NVGPU-705 Change-Id: I0c6438045c695e5e3f5da4fbc0c92d2c6e7f32cb Signed-off-by: Konsta Holtta <kholtta@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1730480 Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> GVS: Gerrit_Virtual_Submit Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
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