scan_curr_time 852 drivers/gpu/drm/i915/i915_irq.c u32 scanline, scan_prev_time, scan_curr_time, scan_post_time; scan_curr_time 872 drivers/gpu/drm/i915/i915_irq.c scan_curr_time = I915_READ_FW(IVB_TIMESTAMP_CTR); scan_curr_time 877 drivers/gpu/drm/i915/i915_irq.c scanline = div_u64(mul_u32_u32(scan_curr_time - scan_prev_time,