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
55
56
57
|
From d1cabfed385822f90d76a0624f0dde63e555a7f5 Mon Sep 17 00:00:00 2001
From: Hersen Wu <hersenxs.wu@amd.com>
Date: Tue, 9 Oct 2018 13:50:10 -0400
Subject: [PATCH 0339/2940] drm/amd/display: RV2 DP MST 2nd display within
daisy chain not light up
RV2 resource is limit to 3 pipes. Limitation should apply to all HW
blocks instead of front pipe.
Signed-off-by: Hersen Wu <hersenxs.wu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Huang Rui <ray.huang@amd.com>
---
.../drm/amd/display/dc/dcn10/dcn10_resource.c | 19 ++++++++++++++++++-
1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
index cb1b134b8fcb..e148f708e8b3 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
@@ -507,6 +507,18 @@ static const struct resource_caps res_cap = {
.num_ddc = 4,
};
+#if defined(CONFIG_DRM_AMD_DC_DCN1_01)
+static const struct resource_caps rv2_res_cap = {
+ .num_timing_generator = 3,
+ .num_opp = 3,
+ .num_video_plane = 3,
+ .num_audio = 3,
+ .num_stream_encoder = 3,
+ .num_pll = 3,
+ .num_ddc = 3,
+};
+#endif
+
static const struct dc_debug_options debug_defaults_drv = {
.sanity_checks = true,
.disable_dmcu = true,
@@ -1152,7 +1164,12 @@ static bool construct(
ctx->dc_bios->regs = &bios_regs;
- pool->base.res_cap = &res_cap;
+#if defined(CONFIG_DRM_AMD_DC_DCN1_01)
+ if (ctx->dce_version == DCN_VERSION_1_01)
+ pool->base.res_cap = &rv2_res_cap;
+ else
+#endif
+ pool->base.res_cap = &res_cap;
pool->base.funcs = &dcn10_res_pool_funcs;
/*
--
2.17.1
|