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From 8dd3fb0d14ac951ae2d2ec775d78bc66d1721590 Mon Sep 17 00:00:00 2001
From: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Date: Thu, 14 Mar 2019 13:46:44 -0400
Subject: [PATCH 1748/2940] drm/amd/display: Use plane->color_space for dpp if
specified
[Why]
The input color space for the plane was previously ignored even if it
was set.
If a limited range YUV format was given to DC then the
wrong color transformation matrix was being used since DC assumed that
it was full range instead.
[How]
Respect the given color_space format for the plane if it isn't
COLOR_SPACE_UNKNOWN. Otherwise, use the implicit default since DM
didn't specify.
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Reviewed-by: Sun peng Li <Sunpeng.Li@amd.com>
Acked-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
---
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c | 6 +++++-
drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c | 2 +-
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
index f91e4b49d211..6f4b24756323 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_dpp.c
@@ -385,6 +385,10 @@ void dpp1_cnv_setup (
default:
break;
}
+
+ /* Set default color space based on format if none is given. */
+ color_space = input_color_space ? input_color_space : color_space;
+
REG_SET(CNVC_SURFACE_PIXEL_FORMAT, 0,
CNVC_SURFACE_PIXEL_FORMAT, pixel_format);
REG_UPDATE(FORMAT_CONTROL, FORMAT_CONTROL__ALPHA_EN, alpha_en);
@@ -396,7 +400,7 @@ void dpp1_cnv_setup (
for (i = 0; i < 12; i++)
tbl_entry.regval[i] = input_csc_color_matrix.matrix[i];
- tbl_entry.color_space = input_color_space;
+ tbl_entry.color_space = color_space;
if (color_space >= COLOR_SPACE_YCBCR601)
select = INPUT_CSC_SELECT_ICSC;
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 439012f6ac35..443804e85ae5 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -1948,7 +1948,7 @@ static void update_dpp(struct dpp *dpp, struct dc_plane_state *plane_state)
plane_state->format,
EXPANSION_MODE_ZERO,
plane_state->input_csc_color_matrix,
- COLOR_SPACE_YCBCR601_LIMITED);
+ plane_state->color_space);
//set scale and bias registers
build_prescale_params(&bns_params, plane_state);
--
2.17.1
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