drm/i915: Fix gen2 scanout position readout

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Gen2 doesn't have the pixelcount register that gen3 and gen4 have.
Instead we must use the scanline counter like we do for ctg+.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Ville Syrjälä 2013-10-11 21:52:43 +03:00 • committed by Daniel Vetter

parent 54ddcbd26a

commit 7c06b08a30

1 changed files with 15 additions and 6 deletions

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drivers/gpu/drm/i915/i915_irq.c

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