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authorLibin Yang <libin.yang@intel.com>2016-11-28 15:07:05 +0300
committerJani Nikula <jani.nikula@intel.com>2016-11-29 18:33:35 +0300
commit9a148a96fc3a654ddcf142a7ab7db37b972ba5d8 (patch)
treeea6a244094258fa5413c12c193cae2878b332ebe /drivers/gpu/drm/i915/i915_debugfs.c
parentc6385c947f4d1526d823a16ea25daa93d2897997 (diff)
downloadlinux-9a148a96fc3a654ddcf142a7ab7db37b972ba5d8.tar.xz
drm/i915/debugfs: add dp mst info
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
Diffstat (limited to 'drivers/gpu/drm/i915/i915_debugfs.c')
-rw-r--r--drivers/gpu/drm/i915/i915_debugfs.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 4a431d9c700c..db53fd09f8df 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -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)