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(parent: 69e4f90) | patch
drm/i915: Don't underflow bestppm
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Tue, 24 Sep 2013 18:26:21 +0000 (21:26 +0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Thu, 10 Oct 2013 10:46:50 +0000 (12:46 +0200)
commitc686122c638838ce7113aeb22e4f1c50446de6eb
tree75125c24589ef723484b11b2ed760a850db2ca91tree | snapshot (tar.gz zip)
parent69e4f900be175fd80fe69221a329c8993b16925bcommit | diff
drm/i915: Don't underflow bestppm

We do 'bestppm - 10' in vlv_find_best_dpll() but never check whether
that might underflow. Add such a check.

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>
drivers/gpu/drm/i915/intel_display.c diff | blob | blame | history