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From 491b7450c04ad00380662bbe84dcc5820c9bf258 Mon Sep 17 00:00:00 2001
From: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Date: Thu, 25 May 2017 18:39:49 -0400
Subject: [PATCH 0483/4131] drm/amd/display: stop adjusting scl taps when scl
ratio is one on dcn
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/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 6098058..d9815a9 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;
}
--
2.7.4
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