[PATCH] drm/dp_helper: don't return EPROTO for defers

[Thierry Reding]

On Fri, Apr 04, 2014 at 09:00:31AM +0300, Jani Nikula wrote:
> On Fri, 04 Apr 2014, Jani Nikula <jani.nikula at linux.intel.com> wrote:
> > On Fri, 04 Apr 2014, Dave Airlie <airlied at gmail.com> wrote:
> >> From: Dave Airlie <airlied at redhat.com>
> >>
> >> If we get a msg.reply of REPLY_DEFER, we also get an err of 0
> >> so we fail reads with 0 < size and return -EPROTO instead of trying
> >> again.
> >>
> >> Found writing MST support.
> >>
> >
> > Reviewed-by: Jani Nikula <jani.nikula at intel.com>
> 
> On second thought, I think you'll need the same for drm_dp_i2c_do_msg()
> as well.

I agree. drm_dp_i2c_do_msg() should have the same change. With that:

Reviewed-by: Thierry Reding <treding at nvidia.com>
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