From bd47fdcdc4ec3f9c23913790bb6f7f098bda5831 Mon Sep 17 00:00:00 2001
From: Duncan Ma <duncan.ma@amd.com>
Date: Mon, 20 Jun 2022 14:21:12 -0400
Subject: drm/amd/display: Add flag to modify MST delay
Git-commit: 8bc3812d0b33c214c365fff5dfb65397ad6aaf19
Patch-mainline: v6.0-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225 jsc#PED-2849
[Why]
Some panels may require more MST delay on discovery
[How]
Add panel patch and debug mst delay flag
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Duncan Ma <duncan.ma@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/display/dc/dc.h | 3 ++-
drivers/gpu/drm/amd/display/dc/dc_types.h | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 337bbd4c6642..b9a23e6b3696 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -741,14 +741,15 @@ struct dc_debug_options {
bool enable_sw_cntl_psr;
union dpia_debug_options dpia_debug;
bool disable_fixed_vs_aux_timeout_wa;
- uint32_t fixed_vs_aux_delay_config_wa;
bool force_disable_subvp;
bool force_subvp_mclk_switch;
bool force_usr_allow;
/* uses value at boot and disables switch */
bool disable_dtb_ref_clk_switch;
+ uint32_t fixed_vs_aux_delay_config_wa;
bool extended_blank_optimization;
union aux_wake_wa_options aux_wake_wa;
+ uint32_t mst_start_top_delay;
uint8_t psr_power_use_phy_fsm;
enum dml_hostvm_override_opts dml_hostvm_override;
bool use_legacy_soc_bb_mechanism;
diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h
index 413738fe9d59..084074a23031 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -199,6 +199,7 @@ struct dc_panel_patch {
unsigned int embedded_tiled_slave;
unsigned int disable_fams;
unsigned int skip_avmute;
+ unsigned int mst_start_top_delay;
};
struct dc_edid_caps {
--
2.38.1