[Intel-gfx] [RFC 4/7] drm/i915/dp: Notify testapp using uevent and debugfs entry

[Animesh Manna]

To align with link compliance design existing intel_dp_compliance
tool will be used to get the phy request in userspace through uevent.

Signed-off-by: Animesh Manna <animesh.manna at intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp.c |  6 ++++--
 drivers/gpu/drm/i915/i915_debugfs.c     | 10 ++++++++++
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 338d3744c5d5..a2b860cf3b93 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -5288,8 +5288,10 @@ intel_dp_short_pulse(struct intel_dp *intel_dp)
 
 	intel_psr_short_pulse(intel_dp);
 
-	if (intel_dp->compliance.test_type == DP_TEST_LINK_TRAINING) {
-		DRM_DEBUG_KMS("Link Training Compliance Test requested\n");
+	if (intel_dp->compliance.test_type == DP_TEST_LINK_TRAINING ||
+	    intel_dp->compliance.test_type ==
+	    DP_TEST_LINK_PHY_TEST_PATTERN) {
+		DRM_DEBUG_KMS("Compliance Test requested\n");
 		/* Send a Hotplug Uevent to userspace to start modeset */
 		drm_kms_helper_hotplug_event(&dev_priv->drm);
 	}
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index cab632791f73..e8b1a8c1015a 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -3212,6 +3212,16 @@ static int i915_displayport_test_data_show(struct seq_file *m, void *data)
 					   intel_dp->compliance.test_data.vdisplay);
 				seq_printf(m, "bpc: %u\n",
 					   intel_dp->compliance.test_data.bpc);
+			} else if (intel_dp->compliance.test_type ==
+				   DP_TEST_LINK_PHY_TEST_PATTERN) {
+				seq_printf(m, "pattern: %d\n",
+					   intel_dp->compliance.test_data.phytest.phy_pattern);
+				seq_printf(m, "Number of lanes: %d\n",
+					   intel_dp->compliance.test_data.phytest.num_lanes);
+				seq_printf(m, "Link Rate: %d\n",
+					   intel_dp->compliance.test_data.phytest.link_rate);
+				seq_printf(m, "level: %02x\n",
+					   intel_dp->train_set[0]);
 			}
 		} else
 			seq_puts(m, "0");
-- 
2.22.0