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861b11a968
We right now store dmabuf fd and dma_buf pointer for gk20a_cs_snapshot_client But since dma_buf and all related APIs are linux specific, we need to remove them from common code and move them to linux specific code Add new linux specific structure gk20a_cs_snapshot_client_linux which includes struct gk20a_cs_snapshot_client and linux specific dma_buf pointer In gk20a_attach_cycle_stats_snapshot(), we first handle all dma_buf related operations and then call gr_gk20a_css_attach() Move gk20a_channel_free_cycle_stats_snapshot() to ioctl_channel.c In gk20a_channel_free_cycle_stats_snapshot(), we call gr_gk20a_css_detach() and then free up dma_buf in linux specific code We also need to call gk20a_channel_free_cycle_stats_snapshot() while closing the channel, so call it from linux specific nvgpu_channel_close_linux() Jira NVGPU-397 Jira NVGPU-415 Change-Id: Ida27240541f6adf31f28d7d7ee4f51651c6d3de2 Signed-off-by: Deepak Nibade <dnibade@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1603908 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>