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| /openbmc/linux/drivers/gpu/drm/i915/ |
| H A D | i915_irq.c | diff 4fa790421c10e5c9c62406655c06d97a94555d54 Fri Aug 08 13:25:57 CDT 2014 Damien Lespiau <damien.lespiau@intel.com> drm/i915: Fix erroneous conversion to u8
adj was defined as u8. The issue is last_adj can be negative and adj is
initialized with:
adj = dev_priv->rps.last_adj;
and we were also happily doing things like:
if (adj < 0)
(thank static analysers!)
v2: Make new_delay an int in case we overflow the u8 in the intermediate
computations. new_delay will get clamped at the end anyway. (Ville)
Cc: Deepak S <deepak.s@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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