drm/amd/display: Remove delay on disconnect patch

HDMI HPD's generic solution makes the monitor
patch code unnecessary so anything related has
been removed.

Signed-off-by: John Barberiz <jbarberi@amd.com>
Reviewed-by: John Barberiz <jbarberi@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

2 files changed, 4 insertions, 13 deletions

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 44b12f0405ee..95955ade4012 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -50,7 +50,6 @@
         dm_logger_write(dc_ctx->logger, LOG_HW_HOTPLUG, \
                 __VA_ARGS__)
 
-#define DEFAULT_DELAY_DISCONNECT 100
 /*******************************************************************************
  * Private structures
  ******************************************************************************/
@@ -118,7 +117,7 @@ struct gpio *get_hpd_gpio(struct dc_bios *dcb,
  *     true on success, false otherwise
  */
 static bool program_hpd_filter(
-        const struct dc_link *link, int default_disconnect_delay)
+        const struct dc_link *link)
 {
         bool result = false;
 
@@ -136,7 +135,7 @@ static bool program_hpd_filter(
         case SIGNAL_TYPE_HDMI_TYPE_A:
                 /* Program hpd filter */
                 delay_on_connect_in_ms = 500;
-                delay_on_disconnect_in_ms = default_disconnect_delay;
+                delay_on_disconnect_in_ms = 100;
                 break;
         case SIGNAL_TYPE_DISPLAY_PORT:
         case SIGNAL_TYPE_DISPLAY_PORT_MST:
@@ -700,13 +699,6 @@ bool dc_link_detect(struct dc_link *link, enum dc_detect_reason reason)
                         dp_hbr_verify_link_cap(link, &link->reported_link_cap);
                 }
 
-                /* Add delay for certain monitors */
-                if (sink->edid_caps.panel_patch.disconnect_delay > 0
-                                && sink->sink_signal == 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 &&
                                 !sink->edid_caps.edid_hdmi)
@@ -1093,7 +1085,7 @@ static bool construct(
          * If GPIO isn't programmed correctly HPD might not rise or drain
          * fast enough, leading to bounces.
          */
-        program_hpd_filter(link, DEFAULT_DELAY_DISCONNECT);
+        program_hpd_filter(link);
 
         return true;
 device_tag_fail:
@@ -2018,7 +2010,7 @@ const struct dc_link_status *dc_link_get_status(const struct dc_link *link)
 void core_link_resume(struct dc_link *link)
 {
         if (link->connector_signal != SIGNAL_TYPE_VIRTUAL)
-                program_hpd_filter(link, DEFAULT_DELAY_DISCONNECT);
+                program_hpd_filter(link);
 }
 
 static struct fixed31_32 get_pbn_per_slot(struct dc_stream_state *stream)
diff --git a/drivers/gpu/drm/amd/display/dc/dc_types.h b/drivers/gpu/drm/amd/display/dc/dc_types.h
index aa5b90e6beb7..8811b6f86bff 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_types.h
+++ b/drivers/gpu/drm/amd/display/dc/dc_types.h
@@ -194,7 +194,6 @@ union display_content_support {
 };
 
 struct dc_panel_patch {
-        unsigned int disconnect_delay;
         unsigned int dppowerup_delay;
 };