[PATCH 23/47] drm/amd/display: Fix Replay Desync Error IRQ handler

Rodrigo Siqueira Rodrigo.Siqueira at amd.com
Fri Dec 1 13:25:19 UTC 2023


From: Dennis Chan <dennis.chan at amd.com>

In previous case, Replay didn't identify the IRQ type, This commit fixes
the issues for the interrupt.

Reviewed-by: Robin Chen <robin.chen at amd.com>
Acked-by: Rodrigo Siqueira <rodrigo.siqueira at amd.com>
Signed-off-by: Dennis Chan <dennis.chan at amd.com>
---
 .../display/dc/link/protocols/link_dp_irq_handler.c  | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c
index ae271c830c9a..ba69874be5a4 100644
--- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c
+++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_dp_irq_handler.c
@@ -190,9 +190,6 @@ static void handle_hpd_irq_replay_sink(struct dc_link *link)
 	/*AMD Replay version reuse DP_PSR_ERROR_STATUS for REPLAY_ERROR status.*/
 	union psr_error_status replay_error_status;
 
-	if (link->replay_settings.config.force_disable_desync_error_check)
-		return;
-
 	if (!link->replay_settings.replay_feature_enabled)
 		return;
 
@@ -210,9 +207,6 @@ static void handle_hpd_irq_replay_sink(struct dc_link *link)
 		&replay_error_status.raw,
 		sizeof(replay_error_status.raw));
 
-	if (replay_configuration.bits.DESYNC_ERROR_STATUS)
-		link->replay_settings.config.received_desync_error_hpd = 1;
-
 	link->replay_settings.config.replay_error_status.bits.LINK_CRC_ERROR =
 		replay_error_status.bits.LINK_CRC_ERROR;
 	link->replay_settings.config.replay_error_status.bits.DESYNC_ERROR =
@@ -225,6 +219,12 @@ static void handle_hpd_irq_replay_sink(struct dc_link *link)
 		link->replay_settings.config.replay_error_status.bits.STATE_TRANSITION_ERROR) {
 		bool allow_active;
 
+		if (link->replay_settings.config.replay_error_status.bits.DESYNC_ERROR)
+			link->replay_settings.config.received_desync_error_hpd = 1;
+
+		if (link->replay_settings.config.force_disable_desync_error_check)
+			return;
+
 		/* Acknowledge and clear configuration bits */
 		dm_helpers_dp_write_dpcd(
 			link->ctx,
-- 
2.42.0



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