drm/amd/display: Add temporary delay on disconnect patch

- Sequencing bug of not resetting delay on disconnect to default values

Signed-off-by: John Barberiz <jbarberi@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>

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index c7e159a..420bc2d 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -700,6 +700,8 @@ bool dc_link_detect(struct dc_link *link, enum dc_detect_reason reason)
                if (sink->edid_caps.panel_patch.disconnect_delay > 0 &&
                                SIGNAL_TYPE_HDMI_TYPE_A)
                        program_hpd_filter(link, sink->edid_caps.panel_patch.disconnect_delay);
+               else
+                       program_hpd_filter(link, DEFAULT_DELAY_DISCONNECT);
 
                /* HDMI-DVI Dongle */
                if (sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A &&