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| author | Nicholas Kazlauskas <nicholas.kazlauskas@amd.com> | 2024-01-23 12:14:42 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-02-07 12:26:22 -0500 |
| commit | c2359c6d7f4d495e2e17098d809d5c57f0963ada (patch) | |
| tree | f36521b9b1249e459abeb0ff01c004dc3ccabf16 /drivers/gpu | |
| parent | cdb637d339572398821204a1142d8d615668f1e9 (diff) | |
| download | linux-stable-c2359c6d7f4d495e2e17098d809d5c57f0963ada.tar.gz linux-stable-c2359c6d7f4d495e2e17098d809d5c57f0963ada.tar.bz2 linux-stable-c2359c6d7f4d495e2e17098d809d5c57f0963ada.zip | |
drm/amd/display: Disable timeout in more places for dc_dmub_srv
[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@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c | 13 |
1 files 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); |