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author | Eric Yang <Eric.Yang2@amd.com> | 2021-01-22 16:28:14 -0500 |
---|---|---|
committer | Alex Deucher <alexander.deucher@amd.com> | 2021-02-09 15:47:54 -0500 |
commit | 6fce5bcee582809b63b14a853ab2efed7a4f5c2e (patch) | |
tree | f4e1ebfcc12b4ce86c302d7cce97017cce7ad2be /drivers/gpu/drm/amd | |
parent | b14e4f200461cc820c63dd112acc21e1a60aa90e (diff) | |
download | linux-stable-6fce5bcee582809b63b14a853ab2efed7a4f5c2e.tar.gz linux-stable-6fce5bcee582809b63b14a853ab2efed7a4f5c2e.tar.bz2 linux-stable-6fce5bcee582809b63b14a853ab2efed7a4f5c2e.zip |
drm/amd/display: move edp sink present detection to hw init
[Why]
At SW init, we may not be ready to do detect eDP sink.
Signed-off-by: Eric Yang <Eric.Yang2@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 40 | ||||
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_link.h | 2 |
2 files changed, 24 insertions, 18 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 8d5378f53243..c9aede2f783d 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -205,27 +205,9 @@ static bool create_links( link = link_create(&link_init_params); if (link) { - bool should_destory_link = false; - - if (link->connector_signal == SIGNAL_TYPE_EDP) { - if (dc->config.edp_not_connected) { - if (!IS_DIAG_DC(dc->ctx->dce_environment)) - should_destory_link = true; - } else { - enum dc_connection_type type; - dc_link_detect_sink(link, &type); - if (type == dc_connection_none) - should_destory_link = true; - } - } - - if (dc->config.force_enum_edp || !should_destory_link) { dc->links[dc->link_count] = link; link->dc = dc; ++dc->link_count; - } else { - link_destroy(&link); - } } } @@ -1016,8 +998,30 @@ destruct_dc: return NULL; } +static void detect_edp_presence(struct dc *dc) +{ + struct dc_link *edp_link = get_edp_link(dc); + bool edp_sink_present = true; + + if (!edp_link) + return; + + if (dc->config.edp_not_connected) { + edp_sink_present = false; + } else { + enum dc_connection_type type; + dc_link_detect_sink(edp_link, &type); + if (type == dc_connection_none) + edp_sink_present = false; + } + + edp_link->edp_sink_present = edp_sink_present; +} + void dc_hardware_init(struct dc *dc) { + + detect_edp_presence(dc); if (dc->ctx->dce_environment != DCE_ENV_VIRTUAL_HW) dc->hwss.init_hw(dc); } diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h index d5d8f0ad9233..e189f16bc026 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ b/drivers/gpu/drm/amd/display/dc/dc_link.h @@ -103,6 +103,8 @@ struct dc_link { bool lttpr_non_transparent_mode; bool is_internal_display; + bool edp_sink_present; + /* caps is the same as reported_link_cap. link_traing use * reported_link_cap. Will clean up. TODO */ |