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drm/i915/dp: actually nack test request

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... like the comment says. No idea whether this has any effect, but
I guess it's better to not lie to the display by acking a test request
and never following through with it. This goes back to the commit that
originally introduced this code:

commit a60f0e38d7
Author: Jesse Barnes <jbarnes@virtuousgeek.org>
Date:   Thu Oct 20 15:09:17 2011 -0700

    drm/i915: add DP test request handling

Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Meh'ed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Daniel Vetter 2012-10-20 21:13:05 +02:00
parent 397fe15715
commit 9324cf7fef
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/intel_dp.c
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@ -2074,7 +2074,7 @@ static void
intel_dp_handle_test_request(struct intel_dp *intel_dp)
{
/* NAK by default */
intel_dp_aux_native_write_1(intel_dp, DP_TEST_RESPONSE, DP_TEST_ACK);
intel_dp_aux_native_write_1(intel_dp, DP_TEST_RESPONSE, DP_TEST_NAK);
}
/*