From 97cdd7101079adc3c626d159c62d43de949516c8 Mon Sep 17 00:00:00 2001 From: Adam Jackson Date: Tue, 12 Jul 2011 17:38:00 -0400 Subject: [PATCH] drm/i915/dp: Zero the DPCD data before connection probe Signed-off-by: Adam Jackson Reviewed-by: Keith Packard Signed-off-by: Keith Packard --- drivers/gpu/drm/i915/intel_dp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index e2aced6eec4c..de24f314eda9 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); -- GitLab