From 3cf96abf23f70d76190d16b119c1cba679bdd269 Mon Sep 17 00:00:00 2001
From: Jing Zhou <Jing.Zhou@amd.com>
Date: Sat, 20 Jun 2020 13:29:43 +0800
Subject: drm/amd/display: Add register key and status for edid
Git-commit: 07c8176e7aee1ad604a754875d4597c51886614e
Patch-mainline: v5.9-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322

[Why]
Register key for AE or QA do regression test.  New edid status for
check.

[How]
Add register key edid_read_retry_times.
Add new edid status EDID_FALL_BACK.

Signed-off-by: Jing Zhou <Jing.Zhou@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Eryk Brol <eryk.brol@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/amd/display/dc/dc.h       | 1 +
 drivers/gpu/drm/amd/display/dc/dc_types.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index f7cb1354a635..01ef2a3c1f3c 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -466,6 +466,7 @@ struct dc_debug_options {
 	bool scl_reset_length10;
 	bool hdmi20_disable;
 	bool skip_detection_link_training;
+	bool edid_read_retry_times;
 	bool remove_disconnect_edp;
 	unsigned int force_odm_combine; //bit vector based on otg inst
 #if defined(CONFIG_DRM_AMD_DC_DCN3_0)
diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h
index d64241433548..29fe5389f973 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -177,6 +177,7 @@ enum dc_edid_status {
 	EDID_NO_RESPONSE,
 	EDID_BAD_CHECKSUM,
 	EDID_THE_SAME,
+	EDID_FALL_BACK,
 };
 
 enum act_return_status {
-- 
2.29.2