From: Charlene Liu <[email protected]> [why] Audio channel layout for 5.1ch is not correct
[how] Add the audio layout for 5.1ch (channel_count = 6). Add divided by zero check. Reviewed-by: Zhan Liu <[email protected]> Acked-by: Tom Chung <[email protected]> Signed-off-by: Charlene Liu <[email protected]> --- drivers/gpu/drm/amd/display/dc/dce/dce_audio.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c b/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c index 07b507150c51..12f3c35b3a34 100644 --- a/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c +++ b/drivers/gpu/drm/amd/display/dc/dce/dce_audio.c @@ -282,7 +282,7 @@ static void get_audio_layout_config( output->layouts_per_sample_denom = 4; output->symbols_per_layout = 40; output->max_layouts_per_audio_sdp = 1; - } else if (channel_count == 8) { + } else if (channel_count == 8 || channel_count == 6) { output->layouts_per_sample_denom = 1; output->symbols_per_layout = 40; output->max_layouts_per_audio_sdp = 1; @@ -292,7 +292,7 @@ static void get_audio_layout_config( output->layouts_per_sample_denom = 4; output->symbols_per_layout = 10; output->max_layouts_per_audio_sdp = 1; - } else if (channel_count == 8) { + } else if (channel_count == 8 || channel_count == 6) { output->layouts_per_sample_denom = 1; output->symbols_per_layout = 10; output->max_layouts_per_audio_sdp = 1; @@ -489,6 +489,11 @@ static void check_audio_bandwidth_dp( get_audio_layout_config( channel_count, dp_link_info->encoding, &layout_config); + if (layout_config.max_layouts_per_audio_sdp == 0 || + layout_config.symbols_per_layout == 0 || + layout_config.layouts_per_sample_denom == 0) { + return; + } if (available_hblank_bw < calculate_required_audio_bw_in_symbols( crtc_info, &layout_config, channel_count, 192000, av_stream_map_lane_count, audio_sdp_overhead)) -- 2.34.1
