diff options
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c | 21 |
1 files changed, 17 insertions, 4 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 8d348a5f5599..59c298a6484f 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c +++ b/drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c @@ -112,10 +112,23 @@ void dc_dmub_srv_wait_phy_init(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_phy_init(dmub, 10000000); - if (status != DMUB_STATUS_OK) { - DC_ERROR("Error waiting for DMUB phy init: status=%d\n", - status); + for (;;) { + /* Wait up to a second for PHY init. */ + status = dmub_srv_wait_for_phy_init(dmub, 1000000); + if (status == DMUB_STATUS_OK) + /* Initialization OK */ + break; + + DC_ERROR("DMCUB PHY init failed: status=%d\n", status); ASSERT(0); + + if (status != DMUB_STATUS_TIMEOUT) + /* + * Server likely initialized or we don't have + * DMCUB HW support - this won't end. + */ + break; + + /* Continue spinning so we don't hang the ASIC. */ } } |