From 4553cf89d4bd4828e1de313894de0de70f1372b4 Mon Sep 17 00:00:00 2001
From: Dillon Varone <dillon.varone@amd.com>
Date: Fri, 1 Apr 2022 16:45:40 -0400
Subject: drm/amd/display: Select correct DTO source
Git-commit: e9b1bfa548be678fcfd706291637b51f35ee92b8
Patch-mainline: v5.19-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
[WHY&HOW]
Change criteria for setting DTO source value, and always set it regardless of
the signal type.
Reviewed-by: Ariel Bernstein <Eric.Bernstein@amd.com>
Acked-by: Pavle Kotarac <Pavle.Kotarac@amd.com>
Signed-off-by: Dillon Varone <dillon.varone@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/dce_clock_source.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
index c36f8e829344..760653e2b607 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c
@@ -985,7 +985,7 @@ static bool dcn31_program_pix_clk(
struct bp_pixel_clock_parameters bp_pc_params = {0};
enum transmitter_color_depth bp_pc_colour_depth = TRANSMITTER_COLOR_DEPTH_24;
// For these signal types Driver to program DP_DTO without calling VBIOS Command table
- if (dc_is_dp_signal(pix_clk_params->signal_type)) {
+ if (dc_is_dp_signal(pix_clk_params->signal_type) || dc_is_virtual_signal(pix_clk_params->signal_type)) {
if (e) {
/* Set DTO values: phase = target clock, modulo = reference clock*/
REG_WRITE(PHASE[inst], e->target_pixel_rate_khz * e->mult_factor);
--
2.38.1