drm/i915: Make sure vsyncshift is positive

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If vsyncshift comes out as negative, add one htotal to it to get the
corresponding positive value.

This is rather theoretical as it would require a mode where the
hsync+back porch is very long and the active+front porch very short.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Ville Syrjälä 2014-03-28 23:29:32 +02:00 • committed by Daniel Vetter

parent efc2cfff28

commit 1caea6e945

1 changed files with 4 additions and 1 deletions

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5

drivers/gpu/drm/i915/intel_display.c

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