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From 515d6c7b46a3bb5620c0d292c03e0a25d01cfef6 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 5366/5725] 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>
---
drivers/gpu/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 cb1b134..e148f70 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;
/*
--
2.7.4
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