From e51bf71e8c827e1d71235f6b1fe12a952c3a0514 Mon Sep 17 00:00:00 2001 From: Dmytro Laktyushkin Date: Fri, 28 Jul 2017 18:21:22 -0400 Subject: [PATCH] drm/amd/display: fix bw_calc for hdmi and 420 outputs Signed-off-by: Dmytro Laktyushkin Reviewed-by: Charlene Liu Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c index be6e3ca9fb0d..c809ad3738e9 100644 --- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c +++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c @@ -923,8 +923,10 @@ bool dcn_validate_bandwidth( if (v->is_line_buffer_bpp_fixed == dcn_bw_yes) v->lb_bit_per_pixel[input_idx] = v->line_buffer_fixed_bpp; v->dcc_rate[input_idx] = 1; /*TODO: Worst case? does this change?*/ - v->output_format[input_idx] = dcn_bw_444; - v->output[input_idx] = dcn_bw_dp; + v->output_format[input_idx] = pipe->stream->timing.pixel_encoding == + PIXEL_ENCODING_YCBCR420 ? dcn_bw_420 : dcn_bw_444; + v->output[input_idx] = pipe->stream->sink->sink_signal == + SIGNAL_TYPE_HDMI_TYPE_A ? dcn_bw_hdmi : dcn_bw_dp; input_idx++; }