diff options
| author |   Yongqiang Sun <yongqiang.sun@amd.com> | 2018-01-23 11:39:09 -0500 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2018-02-19 14:19:32 -0500 |
| commit | cdb39798082cde564beeab0ca47a469254122ccd (patch) | |
| tree | be469e9edc96382db4633efebb337c5fa1db0d77 /drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h | |
| parent | drm/amd/display: fix boot-up on vega10 (diff) | |
| download | linux-dev-cdb39798082cde564beeab0ca47a469254122ccd.tar.xz linux-dev-cdb39798082cde564beeab0ca47a469254122ccd.zip | |
drm/amd/display: Add return value for detect dp.
System soft hang when hotplug specific 4K DP panel
due to link caps read error and incorrect link setting
parmas to enable dp.
Add status check for DPCD read and add return value
for detect dp, in case of false, return from caller,
avoid further false operation.
Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h b/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h index 616c73e2b0bd..2f783c650084 100644 --- a/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h +++ b/drivers/gpu/drm/amd/display/dc/inc/dc_link_dp.h @@ -53,7 +53,7 @@ bool perform_link_training_with_retries( bool is_mst_supported(struct dc_link *link); -void detect_dp_sink_caps(struct dc_link *link); +bool detect_dp_sink_caps(struct dc_link *link); void detect_edp_sink_caps(struct dc_link *link); |