From cac3e6a369b8201ad1346c620f73a4f6e5c213c6 Mon Sep 17 00:00:00 2001
From: Eric Bernstein <eric.bernstein@amd.com>
Date: Wed, 14 Jul 2021 14:21:08 -0400
Subject: drm/amd/display: Always wait for update lock status
Git-commit: 02352bfd78c30152b46c8b6d66c32f9f9389f0b7
Patch-mainline: v5.15-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
Remove code that would skip wait for lock status for Diags
FPGA case
Reviewed-by: Laktyushkin Dmytro <dmytro.laktyushkin@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Eric Bernstein <eric.bernstein@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/dcn30/dcn30_optc.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c
index f37e8254df21..089be7347591 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_optc.c
@@ -109,11 +109,9 @@ void optc3_lock(struct timing_generator *optc)
REG_SET(OTG_MASTER_UPDATE_LOCK, 0,
OTG_MASTER_UPDATE_LOCK, 1);
- /* Should be fast, status does not update on maximus */
- if (optc->ctx->dce_environment != DCE_ENV_FPGA_MAXIMUS)
- REG_WAIT(OTG_MASTER_UPDATE_LOCK,
- UPDATE_LOCK_STATUS, 1,
- 1, 10);
+ REG_WAIT(OTG_MASTER_UPDATE_LOCK,
+ UPDATE_LOCK_STATUS, 1,
+ 1, 10);
}
void optc3_set_out_mux(struct timing_generator *optc, enum otg_out_mux_dest dest)
--
2.38.1