From 259873e1ff3198d80f2dd50e3ab4249ad289e4c2 Mon Sep 17 00:00:00 2001 From: Dmytro Laktyushkin Date: Thu, 25 May 2017 18:39:49 -0400 Subject: [PATCH] drm/amd/display: stop adjusting scl taps when scl ratio is one on dcn Signed-off-by: Dmytro Laktyushkin Reviewed-by: Dmytro Laktyushkin Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- .../drm/amd/display/dc/dcn10/dcn10_transform.c | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_transform.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_transform.c index 609805877508..d9815a991682 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_transform.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_transform.c @@ -851,14 +851,16 @@ static bool transform_get_optimal_number_of_taps( else scl_data->taps.h_taps_c = in_taps->h_taps_c; - if (IDENTITY_RATIO(scl_data->ratios.horz)) - scl_data->taps.h_taps = 1; - if (IDENTITY_RATIO(scl_data->ratios.vert)) - scl_data->taps.v_taps = 1; - if (IDENTITY_RATIO(scl_data->ratios.horz_c)) - scl_data->taps.h_taps_c = 1; - if (IDENTITY_RATIO(scl_data->ratios.vert_c)) - scl_data->taps.v_taps_c = 1; + if (!xfm->ctx->dc->debug.always_scale) { + if (IDENTITY_RATIO(scl_data->ratios.horz)) + scl_data->taps.h_taps = 1; + if (IDENTITY_RATIO(scl_data->ratios.vert)) + scl_data->taps.v_taps = 1; + if (IDENTITY_RATIO(scl_data->ratios.horz_c)) + scl_data->taps.h_taps_c = 1; + if (IDENTITY_RATIO(scl_data->ratios.vert_c)) + scl_data->taps.v_taps_c = 1; + } return true; } -- 2.30.2