[PATCH 05/17] drm/amd/display: Monitor patch to ignore EDID audio SAB check

[IVAN.LIPSKI at amd.com]

From: Fudongwang <Fudong.Wang at amd.com>

[Why & How]
Some monitor have audio output but SAB data is zero. Skip
check this in this case.

Reviewed-by: Charlene Liu <charlene.liu at amd.com>
Reviewed-by: Jun Lei <jun.lei at amd.com>
Signed-off-by: Fudongwang <Fudong.Wang at amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 4 +++-
 drivers/gpu/drm/amd/display/dc/dc_types.h         | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index 854fc51f159c..4d6181e7c612 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -3940,7 +3940,9 @@ enum dc_status resource_map_pool_resources(
 	/* TODO: Add check if ASIC support and EDID audio */
 	if (!stream->converter_disable_audio &&
 	    dc_is_audio_capable_signal(pipe_ctx->stream->signal) &&
-	    stream->audio_info.mode_count && stream->audio_info.flags.all) {
+	    stream->audio_info.mode_count &&
+		(stream->audio_info.flags.all ||
+		(stream->sink && stream->sink->edid_caps.panel_patch.skip_audio_sab_check))) {
 		pipe_ctx->stream_res.audio = find_first_free_audio(
 		&context->res_ctx, pool, pipe_ctx->stream_res.stream_enc->id, dc_ctx->dce_version);
 
diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h
index 229a754b7b6e..375ca2f13b7a 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -175,6 +175,7 @@ struct dc_panel_patch {
 	unsigned int embedded_tiled_slave;
 	unsigned int disable_fams;
 	unsigned int skip_avmute;
+	unsigned int skip_audio_sab_check;
 	unsigned int mst_start_top_delay;
 	unsigned int remove_sink_ext_caps;
 	unsigned int disable_colorimetry;
-- 
2.43.0