From a2af012e5ecb66ee709194ed26953103aa1827e4 Mon Sep 17 00:00:00 2001
From: Jinze Xu <jinze.xu@amd.com>
Date: Wed, 25 Mar 2020 16:14:35 +0800
Subject: drm/amd/display: Workaround to disable YCbCr
Git-commit: 63b50a95ed933e69b886352214f1cb329def75ad
Patch-mainline: v5.8-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322
[Why]
Some mst dock can't translate DP to HDMI properly.
[How]
Bypass YCbCr timings on specific MST device.
Signed-off-by: Jinze Xu <jinze.xu@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@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/core/dc_sink.c | 1 +
drivers/gpu/drm/amd/display/dc/dc.h | 3 ++-
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_sink.c b/drivers/gpu/drm/amd/display/dc/core/dc_sink.c
index a249a0e5edd0..9e16af22e4aa 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_sink.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_sink.c
@@ -54,6 +54,7 @@ static bool dc_sink_construct(struct dc_sink *sink, const struct dc_sink_init_da
sink->ctx = link->ctx;
sink->dongle_max_pix_clk = init_params->dongle_max_pix_clk;
sink->converter_disable_audio = init_params->converter_disable_audio;
+ sink->is_mst_legacy = init_params->sink_is_legacy;
sink->dc_container_id = NULL;
sink->sink_id = init_params->link->ctx->dc_sink_id_count;
// increment dc_sink_id_count because we don't want two sinks with same ID
diff --git a/drivers/gpu/drm/amd/display/dc/dc.h b/drivers/gpu/drm/amd/display/dc/dc.h
index 1b30804f56db..89cce79c950d 100644
--- a/drivers/gpu/drm/amd/display/dc/dc.h
+++ b/drivers/gpu/drm/amd/display/dc/dc.h
@@ -1079,7 +1079,7 @@ struct dc_sink {
void *priv;
struct stereo_3d_features features_3d[TIMING_3D_FORMAT_MAX];
bool converter_disable_audio;
-
+ bool is_mst_legacy;
struct dc_sink_dsc_caps dsc_caps;
struct dc_sink_fec_caps fec_caps;
@@ -1106,6 +1106,7 @@ struct dc_sink_init_data {
struct dc_link *link;
uint32_t dongle_max_pix_clk;
bool converter_disable_audio;
+ bool sink_is_legacy;
};
struct dc_sink *dc_sink_create(const struct dc_sink_init_data *init_params);
--
2.28.0