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drm/amd/display: disable seamless boot for external DP 

[Why]
Primary feature use case is with eDP panels.

[How]
Fail seamless boot validation if display is not an eDP panel.

Signed-off-by: Anthony Wang <anthony1.wang@amd.com>
Reviewed-by: Martin Leung <Martin.Leung@amd.com>
Acked-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Anthony Wang 2021-04-05 17:25:25 -04:00 committed by Alex Deucher
parent 4ccf9446b2
commit 19a274f601
1 changed files with 3 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/amd/display/dc/core/dc.c
View File

@ -1323,11 +1323,10 @@ bool dc_validate_seamless_boot_timing(const struct dc *dc,
struct dc_link *link = sink->link;
unsigned int i, enc_inst, tg_inst = 0;
// Seamless port only support single DP and EDP so far
if ((sink->sink_signal != SIGNAL_TYPE_DISPLAY_PORT &&
sink->sink_signal != SIGNAL_TYPE_EDP) ||
sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
/* Support seamless boot on EDP displays only */
if (sink->sink_signal != SIGNAL_TYPE_EDP) {
return false;
}
/* Check for enabled DIG to identify enabled display */
if (!link->link_enc->funcs->is_dig_enabled(link->link_enc))