diff options
| author | Roman Li | 2017-07-25 20:50:44 +0200 |
|---|---|---|
| committer | Alex Deucher | 2017-09-27 00:15:42 +0200 |
| commit | 48841a20fc794cee0dcbcabee64e068bd6db2df7 (patch) | |
| tree | e1b0fb492781cb819ba270b7ead33ec0afe94842 /drivers/gpu | |
| parent | drm/amd/display: Use stream validation hook. (diff) | |
| download | kernel-qcow2-linux-48841a20fc794cee0dcbcabee64e068bd6db2df7.tar.gz kernel-qcow2-linux-48841a20fc794cee0dcbcabee64e068bd6db2df7.tar.xz kernel-qcow2-linux-48841a20fc794cee0dcbcabee64e068bd6db2df7.zip | |
drm/amd/display: Fix eDP panel light-up
Power-down panel on disale only if sink exists
otherwise it fails edid read during init sequence
Signed-off-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Andrey Grodzovsky <Andrey.Grodzovsky@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c index aac2420caefa..5bdcd5067116 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c @@ -114,7 +114,9 @@ void dp_disable_link_phy(struct dc_link *link, enum signal_type signal) if (signal == SIGNAL_TYPE_EDP) { link->link_enc->funcs->backlight_control(link->link_enc, false); - link->link_enc->funcs->power_control(link->link_enc, false); + if (link->dpcd_sink_count) + link->link_enc->funcs->power_control(link->link_enc, + false); } link->link_enc->funcs->disable_output(link->link_enc, signal); |