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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [hsw Color] Intel Haswell GPU HD4400 has wrong color management on external screen"
href="https://bugs.freedesktop.org/show_bug.cgi?id=82829#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO --- - [hsw Color] Intel Haswell GPU HD4400 has wrong color management on external screen"
href="https://bugs.freedesktop.org/show_bug.cgi?id=82829">bug 82829</a>
from <span class="vcard"><a class="email" href="mailto:jani.nikula@intel.com" title="Jani Nikula <jani.nikula@intel.com>"> <span class="fn">Jani Nikula</span></a>
</span></b>
<pre>I'd also be interested in dmesg with drm.debug=0xe running this patch on top of
drm-intel-nightly.
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 9c0ebf62c0cc..929fde9e5f6a 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -3744,6 +3744,10 @@ intel_dp_get_dpcd(struct intel_dp *intel_dp)
DP_MAX_DOWNSTREAM_PORTS) < 0)
return false; /* downstream port status fetch failed */
+ DRM_DEBUG_KMS("DPCD downstream ports: %*ph\n",
+ (int) sizeof(intel_dp->downstream_ports),
+ intel_dp->downstream_ports);
+
return true;
}</pre>
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