blob: c49285957bca8c7439f0e69ae18ee356b2422b40 (
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
53
54
|
From fbb1816d670780d4b43b32a1383a9c4e8a4d06ef Mon Sep 17 00:00:00 2001
From: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Date: Fri, 10 Nov 2017 13:53:53 -0500
Subject: [PATCH 2816/4131] drm/amd/display: fix split viewport rounding error
Signed-off-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@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/calcs/dcn_calcs.c | 4 ++++
drivers/gpu/drm/amd/display/dc/core/dc_resource.c | 10 ++++------
2 files changed, 8 insertions(+), 6 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 a4fbca3..d14fefa 100644
--- a/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
+++ b/drivers/gpu/drm/amd/display/dc/calcs/dcn_calcs.c
@@ -878,6 +878,10 @@ bool dcn_validate_bandwidth(
+ pipe->bottom_pipe->plane_res.scl_data.recout.width;
}
+ ASSERT(pipe->plane_res.scl_data.ratios.horz.value != dal_fixed31_32_one.value
+ || v->scaler_rec_out_width[input_idx] == v->viewport_width[input_idx]);
+ ASSERT(pipe->plane_res.scl_data.ratios.vert.value != dal_fixed31_32_one.value
+ || v->scaler_recout_height[input_idx] == v->viewport_height[input_idx]);
v->dcc_enable[input_idx] = pipe->plane_state->dcc.enable ? dcn_bw_yes : dcn_bw_no;
v->source_pixel_format[input_idx] = tl_pixel_format_to_bw_defs(
pipe->plane_state->format);
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index 56c259d..80b131b 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -509,13 +509,11 @@ static void calculate_viewport(struct pipe_ctx *pipe_ctx)
right_view = (plane_state->rotation == ROTATION_ANGLE_270) != sec_split;
if (right_view) {
- data->viewport.width /= 2;
- data->viewport_c.width /= 2;
- data->viewport.x += data->viewport.width;
- data->viewport_c.x += data->viewport_c.width;
+ data->viewport.x += data->viewport.width / 2;
+ data->viewport_c.x += data->viewport_c.width / 2;
/* Ceil offset pipe */
- data->viewport.width += data->viewport.width % 2;
- data->viewport_c.width += data->viewport_c.width % 2;
+ data->viewport.width = (data->viewport.width + 1) / 2;
+ data->viewport_c.width = (data->viewport_c.width + 1) / 2;
} else {
data->viewport.width /= 2;
data->viewport_c.width /= 2;
--
2.7.4
|
