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drm/i915: Make vlv_find_best_dpll() ppm calculation safe
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Tue, 24 Sep 2013 18:26:20 +0000 (21:26 +0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Thu, 10 Oct 2013 10:46:50 +0000 (12:46 +0200)
Use div_u64() to make the ppm calculation in vlv_find_best_dpll() safe
against interger overflows.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

No differences found
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