drm/i915: Avoid div-by-zero in clock calculation funcs

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Check that the N and P dividers don't cause a divide by zero.

This shouldn't happen under normal circumstances, but can
happen eg. under simulation.

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 2013-12-02 19:00:45 +02:00 • committed by Daniel Vetter

parent 7e11f9f4ca

commit ed5ca77ed7

1 changed files with 6 additions and 0 deletions

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drivers/gpu/drm/i915/intel_display.c

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