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From 2956ab3a81e8825f03bbefe16f9f2518e5a91108 Mon Sep 17 00:00:00 2001
From: Charlene Liu <charlene.liu@amd.com>
Date: Mon, 30 Jul 2018 17:59:20 -0400
Subject: [PATCH 5054/5725] drm/amd/display: fix single link DVI has no display
Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Dmytro Laktyushkin <Dmytro.Laktyushkin@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_link.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index c3ca109..3bec439 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -1812,6 +1812,8 @@ static void enable_link_hdmi(struct pipe_ctx *pipe_ctx)
bool is_vga_mode = (stream->timing.h_addressable == 640)
&& (stream->timing.v_addressable == 480);
+ if (stream->phy_pix_clk == 0)
+ stream->phy_pix_clk = stream->timing.pix_clk_khz;
if (stream->phy_pix_clk > 340000)
is_over_340mhz = true;
--
2.7.4
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