drm/i915: Move {pin, long}_mask initialization to caller from intel_get_hpd_pins()
Move the 0 initialization of pin_mask and long_mask from intel_get_hpd_pins() into each caller. This we we can call intel_get_hpd_pins() multiple times to accumulate more pins from several sources. v2: Add a comment explaining the dangers of intel_get_hpd_pins() (Paulo) Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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