Commit 3f2b24a1 authored Jun 24, 2025 by Fudongwang Committed by Alex Deucher Jul 15, 2025

drm/amd/display: Monitor patch to ignore EDID audio SAB check



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

Reviewed-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Jun Lei <jun.lei@amd.com>
Signed-off-by: Fudongwang <Fudong.Wang@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent aef3af22

drivers/gpu/drm/amd/display/dc/core/dc_resource.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -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);

drivers/gpu/drm/amd/display/dc/dc_types.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -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;