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drm/amd/display: Add debug entry to destroy disconnected edp link

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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>
This commit is contained in:
Lewis Huang
2019-07-02 22:33:34 -05:00
committed by Alex Deucher
parent 46825fcfbe
commit 291ac8fb0c
2 changed files with 17 additions and 4 deletions
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20
drivers/gpu/drm/amd/display/dc/core/dc.c
View File

@@ -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);
}
}
}

1
drivers/gpu/drm/amd/display/dc/dc.h
View File

@@ -378,6 +378,7 @@ struct dc_debug_options {
bool scl_reset_length10;
bool hdmi20_disable;
bool skip_detection_link_training;
bool remove_disconnect_edp;
unsigned int force_odm_combine; //bit vector based on otg inst
unsigned int force_fclk_khz;
bool disable_tri_buf;