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| author | Ville Syrjälä | 2013-10-28 15:31:41 +0100 |
|---|---|---|
| committer | Ville Syrjälä | 2014-01-20 10:06:34 +0100 |
| commit | d31faf65b8300fa120f4b31d90270fbac36fc779 (patch) | |
| tree | a3012f657c36ee8f8dd730fd8b2f78beeafee1a8 /drivers/gpu/drm/drm_irq.c | |
| parent | drm: Change {pixel,line,frame}dur_ns from s64 to int (diff) | |
| download | kernel-qcow2-linux-d31faf65b8300fa120f4b31d90270fbac36fc779.tar.gz kernel-qcow2-linux-d31faf65b8300fa120f4b31d90270fbac36fc779.tar.xz kernel-qcow2-linux-d31faf65b8300fa120f4b31d90270fbac36fc779.zip | |
drm/i915: Fix scanoutpos calculations for interlaced modes
The scanline counter counts lines in the current field, not the entire
frame. But the crtc_ timings are the values for the entire frame. Divide
the vertical timings by 2 to make them match the scanline counter.
The rounding was carefully chosen to make it do the right thing wrt. the
observed scanline counter and ISR vblank bit behaviour.
Reviewed-by: mario.kleiner.de@gmail.com
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/drm_irq.c')
0 files changed, 0 insertions, 0 deletions