Re: [PATCH 0/4] drm/i915/dp: aux and dpcd fixes

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On Fri, 20 Sep 2013, Jani Nikula <jani.nikula@xxxxxxxxx> wrote:
> I haven't received confirmation from various bug reporters whether these
> actually fix any issues, but here goes anyway.

These are on the series, but I bet it's patch 2/4 that does the trick.

Reference: https://bugs.freedesktop.org/show_bug.cgi?id=60263
Tested-by: Nicolas Suzor <nic@xxxxxxxxx>


> We may want to revisit patch 2/4 in a future patch, adding some
> heuristic to increase delay with each retry, and maybe taking into
> account i2c bit rate capabilities if reported in dpcd.
>
> BR,
> Jani.
>
>
> Jani Nikula (4):
>   drm/i915/dp: retry i2c-over-aux seven times on AUX DEFER
>   drm/i915/dp: increase i2c-over-aux retry interval on AUX DEFER
>   drm/i915/dp: downstream port capabilities are not present in DPCD 1.0
>   drm/i915/dp: read DPCD PSR capability only on eDP
>
>  drivers/gpu/drm/i915/intel_dp.c |   52 +++++++++++++++++++++++++++++----------
>  1 file changed, 39 insertions(+), 13 deletions(-)
>
> -- 
> 1.7.9.5
>

-- 
Jani Nikula, Intel Open Source Technology Center
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