From: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
[Why]
We're still missing a few and we'd like to avoid continuining when
a hang occurs for debug purposes.
[How]
Add the loop anywhere we try to wait on rptr == wptr in dc_dmub_srv.
Reviewed-by: Ovidiu Bunea <ovidiu.bunea@xxxxxxx>
Acked-by: Hamza Mahfooz <hamza.mahfooz@xxxxxxx>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@xxxxxxx>
---
drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
index 0ccdc0c979a1..838c43b74662 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
+++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c
@@ -74,7 +74,10 @@ void dc_dmub_srv_wait_idle(struct dc_dmub_srv *dc_dmub_srv)
struct dc_context *dc_ctx = dc_dmub_srv->ctx;
enum dmub_status status;
- status = dmub_srv_wait_for_idle(dmub, 100000);
+ do {
+ status = dmub_srv_wait_for_idle(dmub, 100000);
+ } while (dc_dmub_srv->ctx->dc->debug.disable_timeout && status != DMUB_STATUS_OK);
+
if (status != DMUB_STATUS_OK) {
DC_ERROR("Error waiting for DMUB idle: status=%d\n", status);
dc_dmub_srv_log_diagnostic_data(dc_dmub_srv);
@@ -145,7 +148,9 @@ bool dc_dmub_srv_cmd_list_queue_execute(struct dc_dmub_srv *dc_dmub_srv,
if (status == DMUB_STATUS_POWER_STATE_D3)
return false;
- dmub_srv_wait_for_idle(dmub, 100000);
+ do {
+ status = dmub_srv_wait_for_idle(dmub, 100000);
+ } while (dc_dmub_srv->ctx->dc->debug.disable_timeout && status != DMUB_STATUS_OK);
/* Requeue the command. */
status = dmub_srv_cmd_queue(dmub, &cmd_list[i]);
@@ -186,7 +191,9 @@ bool dc_dmub_srv_wait_for_idle(struct dc_dmub_srv *dc_dmub_srv,
// Wait for DMUB to process command
if (wait_type != DM_DMUB_WAIT_TYPE_NO_WAIT) {
- status = dmub_srv_wait_for_idle(dmub, 100000);
+ do {
+ status = dmub_srv_wait_for_idle(dmub, 100000);
+ } while (dc_dmub_srv->ctx->dc->debug.disable_timeout && status != DMUB_STATUS_OK);
if (status != DMUB_STATUS_OK) {
DC_LOG_DEBUG("No reply for DMUB command: status=%d\n", status);
--
2.43.0
