blob: baa8311ddaf1cec46bad2e412cf738332f0921f4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
From ad20e00200d50bdfe6bd47e77e88e6304614e429 Mon Sep 17 00:00:00 2001
From: SivapiriyanKumarasamy <sivapiriyan.kumarasamy@amd.com>
Date: Wed, 7 Nov 2018 14:59:41 -0500
Subject: [PATCH 0887/2940] drm/amd/display: Program dithering if requested
Dithering needs to be enabled or disabled as requested. If
dc_stream_update->dither_option is non-null, program the FMT blocks.
Signed-off-by: SivapiriyanKumarasamy <sivapiriyan.kumarasamy@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/display/dc/core/dc.c | 8 ++++++++
drivers/gpu/drm/amd/display/dc/dc_stream.h | 1 +
2 files changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index 2d3fa8e792d8..30fd7b792ef9 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1463,6 +1463,14 @@ static void commit_planes_do_stream_update(struct dc *dc,
if (stream_update->output_csc_transform)
dc_stream_program_csc_matrix(dc, stream);
+ if (stream_update->dither_option) {
+ resource_build_bit_depth_reduction_params(pipe_ctx->stream,
+ &pipe_ctx->stream->bit_depth_params);
+ pipe_ctx->stream_res.opp->funcs->opp_program_fmt(pipe_ctx->stream_res.opp,
+ &stream->bit_depth_params,
+ &stream->clamping);
+ }
+
/* Full fe update*/
if (update_type == UPDATE_TYPE_FAST)
continue;
diff --git a/drivers/gpu/drm/amd/display/dc/dc_stream.h b/drivers/gpu/drm/amd/display/dc/dc_stream.h
index 0c42418b0b3d..be34d638e15d 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_stream.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_stream.h
@@ -136,6 +136,7 @@ struct dc_stream_update {
struct colorspace_transform *gamut_remap;
enum dc_color_space *output_color_space;
+ enum dc_dither_option *dither_option;
struct dc_csc_transform *output_csc_transform;
--
2.17.1
|
