drm/amd/display: Remove configuration option for dpia hpd delay

[Why]
DC debug option to configure dpia hpd processing delay is not required.

[How]
Remove dc debug option for dpia hpd delay and also added log for
querying dpia hpd state.
Reviewed-by: Mustapha Ghaddar <Mustapha.Ghaddar@amd.com>
Reviewed-by: Jun Lei <Jun.Lei@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Meenakshikumar Somasundaram <meenakshikumar.somasundaram@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/core/dc_link_dpia.c

@@ -85,6 +85,13 @@ bool dc_link_dpia_query_hpd_status(struct dc_link *link)
 	if (dc_dmub_srv_cmd_with_reply_data(dmub_srv, &cmd) && cmd.query_hpd.data.status == AUX_RET_SUCCESS)
 		is_hpd_high = cmd.query_hpd.data.result;
 
+	DC_LOG_DEBUG("%s: link(%d) dpia(%d) cmd_status(%d) result(%d)\n",
+		__func__,
+		link->link_index,
+		link->link_id.enum_id - ENUM_ID_1,
+		cmd.query_hpd.data.status,
+		cmd.query_hpd.data.result);
+
 	return is_hpd_high;
 }
 

drivers/gpu/drm/amd/display/dc/dc.h

@@ -542,9 +542,8 @@ union dpia_debug_options {
 		uint32_t force_non_lttpr:1; /* bit 1 */
 		uint32_t extend_aux_rd_interval:1; /* bit 2 */
 		uint32_t disable_mst_dsc_work_around:1; /* bit 3 */
-		uint32_t hpd_delay_in_ms:12; /* bits 4-15 */
-		uint32_t disable_force_tbt3_work_around:1; /* bit 16 */
-		uint32_t reserved:15;
+		uint32_t disable_force_tbt3_work_around:1; /* bit 4 */
+		uint32_t reserved:27;
 	} bits;
 	uint32_t raw;
 };