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drm/i915/debugfs: add dp mst info

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Add the DP MST info dump in debugfs.

Signed-off-by: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Signed-off-by: Libin Yang <libin.yang@intel.com>
Reviewed-by: Lyude <cpaul@redhat.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1480334827-112273-1-git-send-email-libin.yang@intel.com
This commit is contained in:
Libin Yang 2016-11-28 20:07:05 +08:00 committed by Jani Nikula
parent c6385c947f
commit 9a148a96fc
1 changed files with 18 additions and 1 deletions
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19
drivers/gpu/drm/i915/i915_debugfs.c
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@ -2877,6 +2877,20 @@ static void intel_dp_info(struct seq_file *m,
&intel_dp->aux);
}
static void intel_dp_mst_info(struct seq_file *m,
struct intel_connector *intel_connector)
{
struct intel_encoder *intel_encoder = intel_connector->encoder;
struct intel_dp_mst_encoder *intel_mst =
enc_to_mst(&intel_encoder->base);
struct intel_digital_port *intel_dig_port = intel_mst->primary;
struct intel_dp *intel_dp = &intel_dig_port->dp;
bool has_audio = drm_dp_mst_port_has_audio(&intel_dp->mst_mgr,
intel_connector->port);
seq_printf(m, "\taudio support: %s\n", yesno(has_audio));
}
static void intel_hdmi_info(struct seq_file *m,
struct intel_connector *intel_connector)
{
@ -2919,7 +2933,10 @@ static void intel_connector_info(struct seq_file *m,
switch (connector->connector_type) {
case DRM_MODE_CONNECTOR_DisplayPort:
case DRM_MODE_CONNECTOR_eDP:
intel_dp_info(m, intel_connector);
if (intel_encoder->type == INTEL_OUTPUT_DP_MST)
intel_dp_mst_info(m, intel_connector);
else
intel_dp_info(m, intel_connector);
break;
case DRM_MODE_CONNECTOR_LVDS:
if (intel_encoder->type == INTEL_OUTPUT_LVDS)