drm/i915/dp: Log the DPCD only if we have successfully retrieved one

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Moving the DPCD just after a successful read will allow to:
  - log all DPCD reads (eDP ones, changes signalled by HPD IRQ)
  - don't log it if we haven't been able to read it

v2: Be sure to log the DPCD when a downstream port does not have HPD
    support and the branch device asserts HPD (Jani Nikula)

Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Damien Lespiau 2012-12-13 16:09:02 +00:00 • committed by Daniel Vetter

parent 1b4696394a

commit 577c7a505b

1 changed files with 6 additions and 5 deletions

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drivers/gpu/drm/i915/intel_dp.c

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