c0ae24c17e
We're currently miscalculating the line and pixel durations for interlaced modes. crtc_htotal and crtc_vtotal are the full frame timings, and so is crtc_clock, so we can compute the line and pixel durations from those w/o any extra adjustments. But we actually want framedur_ns to be the field, not frame, duration, so we must divide it by two. This should make the scanout based vblank timestamp corrections work correctly with interlaced modes, at least for i915. It all depends whether we keep the field or frame timings in the display mode crtc_ timings. v2: Preserve halve->half typo fix that happened in the meantine Reviewed-by: mario.kleiner.de@gmail.com Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> |
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