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authorAdam Jackson <ajax@redhat.com>2011-07-12 17:38:00 -0400
committerKeith Packard <keithp@keithp.com>2011-07-25 10:34:40 -0700
commit97cdd7101079adc3c626d159c62d43de949516c8 (patch)
tree30244072dc9b7339024fc2681033430c59bb4fda /drivers/gpu
parent9c54c0dd948d715ccfd79e97d852f80eeb53254a (diff)
downloadop-kernel-dev-97cdd7101079adc3c626d159c62d43de949516c8.zip
op-kernel-dev-97cdd7101079adc3c626d159c62d43de949516c8.tar.gz
drm/i915/dp: Zero the DPCD data before connection probe
Signed-off-by: Adam Jackson <ajax@redhat.com> Reviewed-by: Keith Packard <keithp@keithp.com> Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index e2aced6..de24f31 100644
--- 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);
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