drm/i915/dp: cache eDP DPCD data

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Cache the first 4 bytes of DPCD data in the eDP case.  It's unlikely to
change and can save us some trouble at link training time.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

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Jesse Barnes 2010-10-07 16:01:21 -07:00 • committed by Chris Wilson

parent 8088699f02

commit 896673836b

2 changed files with 21 additions and 0 deletions

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1

drivers/gpu/drm/i915/i915_drv.h

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20

drivers/gpu/drm/i915/intel_dp.c

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