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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>
This commit is contained in:
Charlene Liu 2018-07-30 17:59:20 -04:00 committed by Alex Deucher
parent 20acbed47d
commit 321f65a623
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/amd/display/dc/core/dc_link.c
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@ -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;