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drm/i915/dp: Zero the DPCD data before connection probe
author
Adam Jackson
<ajax@redhat.com>
Tue, 12 Jul 2011 21:38:00 +0000
(17:38 -0400)
committer
Keith Packard
<keithp@keithp.com>
Mon, 25 Jul 2011 17:34:40 +0000
(10:34 -0700)
Signed-off-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Keith Packard <keithp@keithp.com>
drivers/gpu/drm/i915/intel_dp.c
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diff --git
a/drivers/gpu/drm/i915/intel_dp.c
b/drivers/gpu/drm/i915/intel_dp.c
index
e2aced6
..
de24f31
100644
(file)
--- a/
drivers/gpu/drm/i915/intel_dp.c
+++ b/
drivers/gpu/drm/i915/intel_dp.c
@@
-1673,6
+1673,7
@@
intel_dp_detect(struct drm_connector *connector, bool force)
struct edid *edid = NULL;
intel_dp->has_audio = false;
+ memset(intel_dp->dpcd, 0, sizeof(intel_dp->dpcd));
if (HAS_PCH_SPLIT(dev))
status = ironlake_dp_detect(intel_dp);