drm/i915/dp: return number of bytes written for short aux/i2c writes

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Allow for a larger receive data size, and check if the receiver returned
the number of bytes written. Without this, we've basically skipped all
the unwritten bytes for short writes.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Jani Nikula 2015-03-17 17:18:54 +02:00 • committed by Daniel Vetter

parent 94ca719ee4

commit a1ddefd8f3

1 changed files with 8 additions and 3 deletions

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drivers/gpu/drm/i915/intel_dp.c

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