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/linux-6.3-rc2/drivers/gpu/drm/amd/display/amdgpu_dm/
A Damdgpu_dm.h81 atomic64_t previous_timestamp; member
A Damdgpu_dm.c464 ktime_t frame_duration_ns, previous_timestamp; in dm_vupdate_high_irq() local
474 previous_timestamp = atomic64_read(&irq_params->previous_timestamp); in dm_vupdate_high_irq()
475 frame_duration_ns = vblank->time - previous_timestamp; in dm_vupdate_high_irq()
481 atomic64_set(&irq_params->previous_timestamp, vblank->time); in dm_vupdate_high_irq()

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