From 8b21ec8151dea9c4f26789a9109fccae24af7b3b Mon Sep 17 00:00:00 2001
From: David Zhang <dingchen.zhang@amd.com>
Date: Tue, 3 May 2022 17:28:18 -0400
Subject: drm/amd/display: use HW lock mgr for PSR-SU
Git-commit: c2a050c5e07faf9ed2fa1daa1eb642d9da4a879d
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]
Feature requires synchronization of dig, pipe, and cursor locking
between driver and DMUB fw for PSR-SU
[how]
return True if PSR-SU in the checker should_use_dmub_lock()
Signed-off-by: David Zhang <dingchen.zhang@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c b/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c
index b1b2e3c6f379..3f32e9c3fbaf 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c
@@ -65,5 +65,7 @@ void dmub_hw_lock_mgr_inbox0_cmd(struct dc_dmub_srv *dmub_srv,
bool should_use_dmub_lock(struct dc_link *link)
{
+ if (link->psr_settings.psr_version == DC_PSR_VERSION_SU_1)
+ return true;
return false;
}
--
2.38.1