diff options
| author | Lewis Huang <Lewis.Huang@amd.com> | 2019-07-02 22:33:34 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-07-18 14:27:26 -0500 |
| commit | 291ac8fb0cd934104b1d154220695ec049592a25 (patch) | |
| tree | 8d124aa52250fa17bc5c6551d272bb54275016bc /drivers/gpu/drm/amd/display/dc/core | |
| parent | 46825fcfbe162609393976e18f106dafddca6f67 (diff) | |
| download | linux-291ac8fb0cd934104b1d154220695ec049592a25.tar.bz2 | |
drm/amd/display: Add debug entry to destroy disconnected edp link
Add a flag to dc_debug_options to determine if a disconnected edp link
should be destroyed.
Signed-off-by: Lewis Huang <Lewis.Huang@amd.com>
Reviewed-by: Yongqiang Sun <yongqiang.sun@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index d6a0a08f5cda..94f126d2331c 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -180,13 +180,25 @@ static bool create_links( link = link_create(&link_init_params); if (link) { - if (dc->config.edp_not_connected && - link->connector_signal == SIGNAL_TYPE_EDP) { - link_destroy(&link); - } else { + bool should_destory_link = false; + + if (link->connector_signal == SIGNAL_TYPE_EDP) { + if (dc->config.edp_not_connected) + should_destory_link = true; + else if (dc->debug.remove_disconnect_edp) { + enum dc_connection_type type; + dc_link_detect_sink(link, &type); + if (type == dc_connection_none) + should_destory_link = true; + } + } + + if (!should_destory_link) { dc->links[dc->link_count] = link; link->dc = dc; ++dc->link_count; + } else { + link_destroy(&link); } } } |